/* ========================================================================== Quantum Nature — v5.0 "Observatory" A premium scientific-publication design system. Contents 01 Design tokens 02 Reset & base 03 Layout utilities 04 Typography primitives 05 Buttons, badges, tags 06 Scientific motifs 07 Masthead: nav, search, drawer, progress 08 Hero 09 Cards 10 Homepage sections 11 Article (single) 12 Reading furniture: TOC, share, author, related 13 Archives, category, author, search, 404, newsletter 14 Forms 15 Comments 16 Footer 17 Motion 18 Print ========================================================================== */ /* ========================================================================== 01 Design tokens Dark is the canonical surface for this publication. Light is a complete, equally considered alternate — never an afterthought — and is opt-in via [data-theme="light"] on . ========================================================================== */ :root { /* --- Brand constants (identical in both schemes; exposed for custom CSS) --- */ --qn-navy: #0F172A; --qn-slate: #111827; --qn-card-navy: #1E293B; --qn-cyan: #00D4FF; --qn-violet: #8B5CF6; /* --- Semantic surface (DARK — default) --- */ --qn-bg: #0F172A; --qn-bg-deep: #0B1120; --qn-surface: #111827; --qn-card: #1E293B; --qn-text: #F8FAFC; --qn-heading: #F8FAFC; --qn-muted: #CBD5E1; --qn-faint: #94A3B8; --qn-accent: #00D4FF; /* The brand violet is #8B5CF6, but as type on navy it lands at 4.2:1 — under AA. The text role therefore carries a lifted tint (5.9:1) while --qn-violet keeps the exact brand value for fills and decoration. */ --qn-accent-2: #A78BFA; --qn-accent-ink: #06202B; /* text on a cyan fill */ --qn-accent-soft: rgba(0, 212, 255, .12); --qn-violet-soft: rgba(139, 92, 246, .14); --qn-border: rgba(248, 250, 252, .09); --qn-border-soft: rgba(248, 250, 252, .055); --qn-border-firm: rgba(248, 250, 252, .16); --qn-glass: rgba(15, 23, 42, .72); --qn-glass-edge: rgba(248, 250, 252, .08); --qn-overlay: rgba(11, 17, 32, .88); --qn-shadow-sm: 0 1px 2px rgba(2, 6, 18, .40); --qn-shadow-md: 0 8px 24px -8px rgba(2, 6, 18, .55); --qn-shadow-lg: 0 24px 60px -20px rgba(2, 6, 18, .70); --qn-glow: 0 0 0 1px rgba(0, 212, 255, .28), 0 8px 32px -12px rgba(0, 212, 255, .38); --qn-motif: rgba(0, 212, 255, 1); --qn-motif-alpha: .07; --qn-image-veil: linear-gradient(180deg, rgba(15, 23, 42, 0) 38%, rgba(15, 23, 42, .78) 100%); /* --- Typography --- */ --qn-display: "Source Serif 4", "Iowan Old Style", Georgia, "Times New Roman", serif; --qn-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; --qn-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace; /* Fluid type scale — 1.25 minor third, tuned per step */ --t-xs: 0.75rem; /* 12 — micro labels */ --t-sm: 0.8125rem; /* 13 — meta */ --t-base: 1rem; /* 16 — UI */ --t-md: 1.0625rem; /* 17 — dek */ --t-lg: clamp(1.125rem, 0.4vw + 1.03rem, 1.25rem); --t-xl: clamp(1.375rem, 0.7vw + 1.22rem, 1.625rem); --t-2xl: clamp(1.625rem, 1.1vw + 1.38rem, 2.125rem); --t-3xl: clamp(2rem, 1.9vw + 1.58rem, 2.875rem); --t-4xl: clamp(2.375rem, 3.2vw + 1.66rem, 4rem); --t-5xl: clamp(2.75rem, 4.6vw + 1.73rem, 5.25rem); --lh-tight: 1.08; --lh-snug: 1.22; --lh-copy: 1.75; /* --- Rhythm --- */ --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px; --s-10: 128px; --section: clamp(64px, 8vw, 128px); --edge: clamp(20px, 5vw, 64px); --max: 1240px; --max-wide: 1440px; /* --- Shape --- */ --r-sm: 8px; --r-md: 14px; --r-lg: 20px; --r-xl: 28px; --r-pill: 999px; /* --- Motion --- */ --ease: cubic-bezier(.16, 1, .3, 1); --ease-soft: cubic-bezier(.4, 0, .2, 1); --d-fast: 160ms; --d-base: 280ms; --d-slow: 620ms; --qn-nav-h: 72px; color-scheme: dark; } [data-theme="light"] { --qn-bg: #FBFCFE; --qn-bg-deep: #F1F5F9; --qn-surface: #FFFFFF; --qn-card: #FFFFFF; --qn-text: #16233B; --qn-heading: #0F172A; --qn-muted: #475569; --qn-faint: #64748B; /* Cyan is illegible on white. The light scheme carries the brand navy instead — 15.8:1 on the light surface, comfortably past AAA. */ --qn-accent: #001A4D; --qn-accent-2: #6D28D9; --qn-accent-ink: #FFFFFF; --qn-accent-soft: rgba(0, 26, 77, .09); --qn-violet-soft: rgba(109, 40, 217, .09); --qn-border: rgba(15, 23, 42, .11); --qn-border-soft: rgba(15, 23, 42, .07); --qn-border-firm: rgba(15, 23, 42, .20); --qn-glass: rgba(251, 252, 254, .78); --qn-glass-edge: rgba(15, 23, 42, .08); --qn-overlay: rgba(241, 245, 249, .94); --qn-shadow-sm: 0 1px 2px rgba(15, 23, 42, .06); --qn-shadow-md: 0 8px 24px -10px rgba(15, 23, 42, .18); --qn-shadow-lg: 0 24px 60px -22px rgba(15, 23, 42, .24); --qn-glow: 0 0 0 1px rgba(0, 26, 77, .22), 0 8px 32px -14px rgba(0, 26, 77, .30); --qn-motif: rgba(15, 23, 42, 1); --qn-motif-alpha: .055; --qn-image-veil: linear-gradient(180deg, rgba(15, 23, 42, 0) 42%, rgba(15, 23, 42, .62) 100%); color-scheme: light; } /* ========================================================================== 02 Reset & base ========================================================================== */ *, *::before, *::after { box-sizing: border-box; } /* hidden must beat any component display rule. */ [hidden] { display: none !important; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--qn-nav-h) + 24px); } body { margin: 0; background: var(--qn-bg); color: var(--qn-text); font-family: var(--qn-body); font-size: var(--t-base); line-height: var(--lh-copy); font-feature-settings: "kern" 1, "liga" 1, "cv11" 1; text-wrap: pretty; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; } body.qn-no-scroll { overflow: hidden; } img, svg, video, canvas { max-width: 100%; height: auto; display: block; } a { color: var(--qn-accent); text-decoration: none; transition: color var(--d-fast) var(--ease-soft); } a:hover { color: var(--qn-accent-2); } button, input, select, textarea { font: inherit; color: inherit; } hr { border: 0; border-top: 1px solid var(--qn-border); margin: 0; } ::selection { background: var(--qn-accent-soft); color: var(--qn-heading); } :focus-visible { outline: 2px solid var(--qn-accent); outline-offset: 3px; border-radius: var(--r-sm); } :focus:not(:focus-visible) { outline: none; } /* Custom scrollbar — restrained, matches surface */ @supports selector(::-webkit-scrollbar) { ::-webkit-scrollbar { width: 12px; height: 12px; } ::-webkit-scrollbar-track { background: var(--qn-bg-deep); } ::-webkit-scrollbar-thumb { background: var(--qn-border-firm); border-radius: var(--r-pill); border: 3px solid var(--qn-bg-deep); } ::-webkit-scrollbar-thumb:hover { background: var(--qn-faint); } } .qn-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; } .qn-skip-link { position: fixed; left: -9999px; top: 0; z-index: 999; background: var(--qn-accent); color: var(--qn-accent-ink); padding: 14px 22px; font-weight: 600; border-radius: 0 0 var(--r-md) 0; } .qn-skip-link:focus { left: 0; color: var(--qn-accent-ink); } /* ========================================================================== 03 Layout utilities ========================================================================== */ .qn-wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--edge); } .qn-wrap-wide { width: 100%; max-width: var(--max-wide); margin-inline: auto; padding-inline: var(--edge); } .qn-wrap-read { width: 100%; max-width: 800px; margin-inline: auto; padding-inline: var(--edge); } .qn-section { padding-block: var(--section); } .qn-section--sm { padding-block: clamp(48px, 5vw, 80px); } .qn-section + .qn-section { padding-top: 0; } .qn-divider { height: 1px; background: var(--qn-border); border: 0; } /* Section headers used across the homepage and archives */ .qn-sechead { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--s-5) var(--s-7); flex-wrap: wrap; margin-bottom: var(--s-7); padding-bottom: var(--s-5); border-bottom: 1px solid var(--qn-border); } .qn-sechead__text { max-width: 60ch; } .qn-sechead__title { font-family: var(--qn-display); font-size: var(--t-2xl); line-height: var(--lh-snug); font-weight: 600; letter-spacing: -.018em; color: var(--qn-heading); margin: var(--s-3) 0 0; } .qn-sechead__dek { font-size: var(--t-md); color: var(--qn-muted); margin: var(--s-3) 0 0; max-width: 56ch; } .qn-sechead__link { display: inline-flex; align-items: center; gap: var(--s-2); font-size: var(--t-sm); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--qn-accent); white-space: nowrap; padding-block: var(--s-2); } .qn-sechead__link svg { width: 15px; height: 15px; transition: transform var(--d-base) var(--ease); } .qn-sechead__link:hover svg { transform: translateX(4px); } /* ========================================================================== 04 Typography primitives ========================================================================== */ .qn-kicker { display: inline-flex; align-items: center; gap: var(--s-2); font-family: var(--qn-body); font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-accent); margin: 0; } .qn-kicker::before { content: ""; width: 22px; height: 1px; flex: none; background: currentColor; opacity: .55; } .qn-kicker--bare::before { display: none; } .qn-kicker--violet { color: var(--qn-accent-2); } .qn-meta { display: flex; align-items: center; flex-wrap: wrap; gap: var(--s-2) var(--s-3); font-size: var(--t-sm); line-height: 1.5; color: var(--qn-faint); margin: 0; font-variant-numeric: tabular-nums; } .qn-meta > * { margin: 0; } .qn-meta__sep { opacity: .45; } .qn-meta a { color: var(--qn-muted); } .qn-meta a:hover { color: var(--qn-accent); } .qn-display { font-family: var(--qn-display); font-weight: 600; letter-spacing: -.028em; line-height: var(--lh-tight); color: var(--qn-heading); margin: 0; text-wrap: balance; } .qn-display em { font-style: italic; color: var(--qn-accent); } .qn-h1 { font-family: var(--qn-display); font-size: var(--t-4xl); line-height: var(--lh-tight); letter-spacing: -.028em; font-weight: 600; color: var(--qn-heading); margin: 0; text-wrap: balance; } .qn-h2 { font-family: var(--qn-display); font-size: var(--t-3xl); line-height: var(--lh-snug); letter-spacing: -.022em; font-weight: 600; color: var(--qn-heading); margin: 0; text-wrap: balance; } .qn-h3 { font-family: var(--qn-display); font-size: var(--t-xl); line-height: var(--lh-snug); letter-spacing: -.014em; font-weight: 600; color: var(--qn-heading); margin: 0; } .qn-lead { font-size: var(--t-lg); line-height: 1.68; color: var(--qn-muted); max-width: 62ch; margin: 0; } .qn-empty { color: var(--qn-muted); font-size: var(--t-md); padding-block: var(--s-8); margin: 0; } /* ========================================================================== 05 Buttons, badges, tags ========================================================================== */ .qn-btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2); min-height: 48px; padding: 13px 26px; font-family: var(--qn-body); font-size: var(--t-base); font-weight: 600; line-height: 1; letter-spacing: -.005em; border: 1px solid transparent; border-radius: var(--r-pill); cursor: pointer; white-space: nowrap; text-align: center; transition: background-color var(--d-base) var(--ease-soft), border-color var(--d-base) var(--ease-soft), color var(--d-base) var(--ease-soft), box-shadow var(--d-base) var(--ease-soft), transform var(--d-base) var(--ease); } .qn-btn svg { width: 17px; height: 17px; flex: none; } .qn-btn:hover { transform: translateY(-1px); } .qn-btn:active { transform: translateY(0); } .qn-btn--primary { background: var(--qn-accent); color: var(--qn-accent-ink); border-color: var(--qn-accent); box-shadow: 0 6px 20px -10px color-mix(in srgb, var(--qn-accent) 50%, transparent); } .qn-btn--primary:hover { background: color-mix(in srgb, var(--qn-accent) 88%, #fff); color: var(--qn-accent-ink); box-shadow: var(--qn-glow); } .qn-btn--ghost { background: transparent; color: var(--qn-heading); border-color: var(--qn-border-firm); } .qn-btn--ghost:hover { color: var(--qn-accent); border-color: var(--qn-accent); background: var(--qn-accent-soft); } .qn-btn--quiet { background: var(--qn-card); color: var(--qn-heading); border-color: var(--qn-border); } .qn-btn--quiet:hover { color: var(--qn-accent); border-color: var(--qn-border-firm); } .qn-btn--sm { min-height: 40px; padding: 10px 18px; font-size: var(--t-sm); } .qn-btn--block { width: 100%; } .qn-btns { display: flex; flex-wrap: wrap; gap: var(--s-3); } /* Text link with an animated underline */ .qn-link { display: inline-flex; align-items: center; gap: var(--s-2); color: var(--qn-accent); font-weight: 600; background-image: linear-gradient(currentColor, currentColor); background-size: 0% 1px; background-position: 0 100%; background-repeat: no-repeat; transition: background-size var(--d-base) var(--ease), color var(--d-fast) var(--ease-soft); padding-bottom: 2px; } .qn-link:hover { background-size: 100% 1px; } /* Category colour resolver. Elements carrying --qn-cat-dark / --qn-cat-light (written inline by qn_category_style()) resolve to whichever suits the active scheme. */ .qn-cat { --qn-cat: var(--qn-cat-dark, var(--qn-accent)); } [data-theme="light"] .qn-cat { --qn-cat: var(--qn-cat-light, var(--qn-accent)); } /* Category / topic badge */ .qn-badge { display: inline-flex; align-items: center; gap: 6px; font-size: var(--t-xs); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--qn-cat, var(--qn-accent)); padding: 5px 11px; border: 1px solid color-mix(in srgb, var(--qn-cat, var(--qn-accent)) 34%, transparent); background: color-mix(in srgb, var(--qn-cat, var(--qn-accent)) 11%, transparent); border-radius: var(--r-pill); transition: background-color var(--d-fast) var(--ease-soft), border-color var(--d-fast) var(--ease-soft); } a.qn-badge:hover { color: var(--qn-cat, var(--qn-accent)); background: color-mix(in srgb, var(--qn-cat, var(--qn-accent)) 20%, transparent); border-color: color-mix(in srgb, var(--qn-cat, var(--qn-accent)) 55%, transparent); } .qn-badge__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; } .qn-tags { display: flex; flex-wrap: wrap; gap: var(--s-2); } .qn-tag { display: inline-flex; align-items: center; min-height: 36px; font-size: var(--t-sm); color: var(--qn-muted); padding: 6px 14px; border-radius: var(--r-pill); border: 1px solid var(--qn-border); background: var(--qn-surface); transition: color var(--d-fast) var(--ease-soft), border-color var(--d-fast) var(--ease-soft); } .qn-tag:hover { color: var(--qn-accent); border-color: var(--qn-border-firm); } .qn-tag::before { content: "#"; opacity: .5; margin-right: 3px; } .qn-alert { padding: 14px 18px; border-radius: var(--r-md); font-size: var(--t-base); margin: 0 0 var(--s-5); border: 1px solid var(--qn-border-firm); background: var(--qn-surface); display: flex; align-items: flex-start; gap: var(--s-3); } .qn-alert svg { flex: none; margin-top: 4px; } .qn-alert--ok { border-color: color-mix(in srgb, var(--qn-accent) 45%, transparent); background: var(--qn-accent-soft); color: var(--qn-heading); } .qn-alert--err { border-color: rgba(244, 114, 130, .45); background: rgba(244, 114, 130, .10); color: var(--qn-heading); } /* ========================================================================== 06 Scientific motifs Decorative SVG fields. Never above 8% opacity, never interactive. ========================================================================== */ .qn-motif { position: absolute; inset: 0; pointer-events: none; user-select: none; color: var(--qn-motif); opacity: var(--qn-motif-alpha); overflow: hidden; /* Negative, so the field paints above its section's own background but below every scrap of content. Safe because each host section sets `isolation: isolate`, keeping the layer inside that stacking context. */ z-index: -1; } .qn-motif svg { width: 100%; height: 100%; display: block; } .qn-motif--soft { opacity: calc(var(--qn-motif-alpha) * .6); } .qn-motif--corner { inset: auto 0 0 auto; width: min(520px, 60%); height: min(520px, 100%); } .qn-has-motif { position: relative; isolation: isolate; } .qn-has-motif > *:not(.qn-motif) { position: relative; z-index: 1; } /* ========================================================================== 07 Masthead ========================================================================== */ .qn-progress { position: fixed; top: 0; left: 0; width: 100%; height: 2px; z-index: 210; pointer-events: none; background: transparent; } .qn-progress__bar { height: 100%; width: 0; background: linear-gradient(90deg, var(--qn-accent), var(--qn-accent-2)); transition: width 90ms linear; } .qn-nav { position: sticky; top: 0; z-index: 200; background: transparent; border-bottom: 1px solid transparent; transition: background-color var(--d-base) var(--ease-soft), border-color var(--d-base) var(--ease-soft), backdrop-filter var(--d-base) var(--ease-soft), box-shadow var(--d-base) var(--ease-soft); } .qn-nav__inner { display: flex; align-items: center; gap: var(--s-5); max-width: var(--max-wide); margin-inline: auto; padding: var(--s-4) var(--edge); min-height: var(--qn-nav-h); } /* Glass on scroll */ .qn-nav.is-stuck { background: var(--qn-glass); border-bottom-color: var(--qn-glass-edge); box-shadow: var(--qn-shadow-sm); } @supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) { .qn-nav.is-stuck { -webkit-backdrop-filter: saturate(180%) blur(18px); backdrop-filter: saturate(180%) blur(18px); } } .qn-nav__brand { display: flex; align-items: center; gap: var(--s-3); flex: none; min-height: 44px; } .qn-nav__brand img { height: 30px; width: auto; } .qn-nav__brand .custom-logo { height: 34px; width: auto; } .qn-nav__brand-text { font-family: var(--qn-display); font-weight: 600; font-size: 1.1875rem; letter-spacing: -.02em; color: var(--qn-heading); white-space: nowrap; } .qn-nav__brand:hover .qn-nav__brand-text { color: var(--qn-heading); } /* Logo variant swap */ .qn-logo-dark { display: block; } .qn-logo-light { display: none; } [data-theme="light"] .qn-logo-dark { display: none; } [data-theme="light"] .qn-logo-light { display: block; } .qn-nav__links { margin-left: auto; } .qn-nav__links ul { display: flex; align-items: center; gap: var(--s-2); list-style: none; margin: 0; padding: 0; } .qn-nav__links a { position: relative; display: inline-flex; align-items: center; min-height: 40px; padding: 8px 14px; font-size: 0.9375rem; font-weight: 500; letter-spacing: -.005em; color: var(--qn-muted); border-radius: var(--r-sm); transition: color var(--d-fast) var(--ease-soft); } .qn-nav__links a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform var(--d-base) var(--ease); } .qn-nav__links a:hover { color: var(--qn-heading); } .qn-nav__links a:hover::after { transform: scaleX(1); } .qn-nav__links .current-menu-item > a, .qn-nav__links .current_page_item > a, .qn-nav__links .current-menu-ancestor > a { color: var(--qn-accent); } .qn-nav__links .current-menu-item > a::after, .qn-nav__links .current_page_item > a::after { transform: scaleX(1); } /* Sub-menus */ .qn-nav__links .sub-menu { position: absolute; top: 100%; left: 0; min-width: 220px; display: block; flex-direction: column; align-items: stretch; gap: 0; padding: var(--s-2); margin-top: var(--s-2); background: var(--qn-surface); border: 1px solid var(--qn-border); border-radius: var(--r-md); box-shadow: var(--qn-shadow-lg); opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity var(--d-base) var(--ease-soft), transform var(--d-base) var(--ease), visibility var(--d-base); } .qn-nav__links li { position: relative; } .qn-nav__links li:hover > .sub-menu, .qn-nav__links li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); } .qn-nav__links .sub-menu a { width: 100%; } .qn-nav__links .sub-menu a::after { display: none; } .qn-nav__links .sub-menu a:hover { background: var(--qn-card); } .qn-nav__actions { display: flex; align-items: center; gap: var(--s-2); flex: none; } .qn-iconbtn { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; flex: none; border: 1px solid var(--qn-border); border-radius: var(--r-pill); background: transparent; color: var(--qn-muted); cursor: pointer; transition: color var(--d-fast) var(--ease-soft), border-color var(--d-fast) var(--ease-soft), background-color var(--d-fast) var(--ease-soft); } .qn-iconbtn:hover { color: var(--qn-accent); border-color: var(--qn-border-firm); background: var(--qn-accent-soft); } .qn-iconbtn svg { width: 18px; height: 18px; } .qn-iconbtn .qn-moon { display: none; } [data-theme="light"] .qn-iconbtn .qn-sun { display: none; } [data-theme="light"] .qn-iconbtn .qn-moon { display: block; } .qn-nav__cta { display: none; } @media (min-width: 1100px) { .qn-nav__cta { display: inline-flex; } } /* Burger → cross */ .qn-burger { display: none; position: relative; width: 42px; height: 42px; } .qn-burger span { position: absolute; left: 12px; width: 18px; height: 1.5px; background: currentColor; border-radius: 2px; transition: transform var(--d-base) var(--ease), opacity var(--d-fast) var(--ease-soft); } .qn-burger span:nth-child(1) { top: 15px; } .qn-burger span:nth-child(2) { top: 20.5px; } .qn-burger span:nth-child(3) { top: 26px; } .qn-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); } .qn-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; } .qn-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); } /* --- Search overlay --- */ .qn-search-panel { position: fixed; inset: 0; z-index: 300; background: var(--qn-overlay); opacity: 0; visibility: hidden; transition: opacity var(--d-base) var(--ease-soft), visibility var(--d-base); display: flex; align-items: flex-start; justify-content: center; padding: clamp(72px, 14vh, 180px) var(--edge) var(--s-7); overflow-y: auto; } @supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) { .qn-search-panel { -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); } } .qn-search-panel.is-open { opacity: 1; visibility: visible; } .qn-search-panel__inner { width: 100%; max-width: 720px; transform: translateY(-12px); transition: transform var(--d-slow) var(--ease); } .qn-search-panel.is-open .qn-search-panel__inner { transform: translateY(0); } .qn-search-panel form { display: flex; align-items: center; gap: var(--s-3); border-bottom: 1px solid var(--qn-border-firm); padding-bottom: var(--s-4); } .qn-search-panel input[type="search"] { flex: 1; min-width: 0; background: transparent; border: 0; padding: var(--s-2) 0; font-family: var(--qn-display); font-weight: 600; font-size: clamp(1.5rem, 3.4vw, 2.25rem); letter-spacing: -.022em; color: var(--qn-heading); } .qn-search-panel input[type="search"]::placeholder { color: var(--qn-faint); opacity: .7; } .qn-search-panel input[type="search"]:focus { outline: none; } .qn-search-panel input::-webkit-search-cancel-button { -webkit-appearance: none; } .qn-search-panel__submit { width: 48px; height: 48px; flex: none; border: 0; border-radius: var(--r-pill); background: var(--qn-accent); color: var(--qn-accent-ink); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; } .qn-search-panel__submit svg { width: 19px; height: 19px; } .qn-search-panel__close { position: absolute; top: var(--s-5); right: var(--edge); } .qn-search-panel__hint { margin: var(--s-5) 0 0; font-size: var(--t-sm); color: var(--qn-faint); display: flex; align-items: center; flex-wrap: wrap; gap: var(--s-2) var(--s-3); } .qn-search-panel__hint kbd { font-family: var(--qn-mono); font-size: var(--t-xs); border: 1px solid var(--qn-border); border-radius: 5px; padding: 2px 6px; background: var(--qn-card); color: var(--qn-muted); } .qn-search-suggest { margin-top: var(--s-7); } .qn-search-suggest__label { font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-faint); margin: 0 0 var(--s-4); } .qn-search-suggest__list { display: flex; flex-wrap: wrap; gap: var(--s-2); list-style: none; margin: 0; padding: 0; } /* --- Mobile drawer --- */ .qn-drawer { position: fixed; inset: 0; z-index: 250; visibility: hidden; pointer-events: none; } .qn-drawer.is-open { visibility: visible; pointer-events: auto; } .qn-drawer__scrim { position: absolute; inset: 0; background: rgba(2, 6, 18, .6); opacity: 0; transition: opacity var(--d-base) var(--ease-soft); } .qn-drawer.is-open .qn-drawer__scrim { opacity: 1; } .qn-drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(420px, 88vw); background: var(--qn-surface); border-left: 1px solid var(--qn-border); box-shadow: var(--qn-shadow-lg); padding: var(--s-7) var(--s-6) var(--s-8); overflow-y: auto; transform: translateX(100%); transition: transform var(--d-slow) var(--ease); display: flex; flex-direction: column; gap: var(--s-6); } .qn-drawer.is-open .qn-drawer__panel { transform: translateX(0); } .qn-drawer__head { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); } .qn-drawer nav ul { list-style: none; margin: 0; padding: 0; } .qn-drawer nav li + li { border-top: 1px solid var(--qn-border-soft); } .qn-drawer nav a { display: block; padding: var(--s-4) 0; font-family: var(--qn-display); font-size: var(--t-lg); font-weight: 600; letter-spacing: -.015em; color: var(--qn-heading); } .qn-drawer nav a:hover { color: var(--qn-accent); } .qn-drawer nav .sub-menu { padding-left: var(--s-4); margin-bottom: var(--s-3); } .qn-drawer nav .sub-menu a { font-family: var(--qn-body); font-size: var(--t-base); font-weight: 500; color: var(--qn-muted); padding: var(--s-3) 0; } .qn-drawer__foot { margin-top: auto; display: flex; flex-direction: column; gap: var(--s-4); } .qn-drawer__social { display: flex; gap: var(--s-2); } @media (max-width: 1023px) { .qn-nav__links { display: none; } .qn-burger { display: inline-flex; } } @media (min-width: 1024px) { .qn-drawer { display: none; } } /* ========================================================================== 08 Hero ========================================================================== */ .qn-hero { position: relative; isolation: isolate; padding-block: clamp(80px, 12vh, 168px) clamp(64px, 9vh, 120px); overflow: hidden; } .qn-hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; } .qn-hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .5; } .qn-hero__aurora { position: absolute; inset: -20% -10% auto -10%; height: 120%; background: radial-gradient(46% 40% at 18% 12%, color-mix(in srgb, var(--qn-accent) 16%, transparent) 0%, transparent 68%), radial-gradient(40% 38% at 82% 6%, color-mix(in srgb, var(--qn-accent-2) 16%, transparent) 0%, transparent 66%); filter: blur(24px); } .qn-hero__inner { position: relative; z-index: 1; } .qn-hero__grid { display: grid; gap: var(--s-8) clamp(32px, 5vw, 80px); align-items: center; } @media (min-width: 1024px) { .qn-hero__grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); } } .qn-hero__issue { display: inline-flex; align-items: center; gap: var(--s-3); padding: 7px 8px 7px 16px; border-radius: var(--r-pill); border: 1px solid var(--qn-border); background: color-mix(in srgb, var(--qn-card) 60%, transparent); font-size: var(--t-sm); color: var(--qn-muted); margin-bottom: var(--s-6); } .qn-hero__issue-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--qn-accent); box-shadow: 0 0 0 3px var(--qn-accent-soft); flex: none; } .qn-hero__issue-tag { font-size: var(--t-xs); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--qn-accent); background: var(--qn-accent-soft); padding: 4px 10px; border-radius: var(--r-pill); } .qn-hero__title { font-size: var(--t-5xl); margin-bottom: var(--s-5); } .qn-hero__title .line { display: block; } .qn-hero__dek { font-size: var(--t-lg); line-height: 1.68; color: var(--qn-muted); max-width: 56ch; margin: 0 0 var(--s-7); } .qn-hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-4); } .qn-hero__stats { display: flex; flex-wrap: wrap; gap: var(--s-5) var(--s-7); margin-top: var(--s-8); padding-top: var(--s-6); border-top: 1px solid var(--qn-border); } .qn-hero__stat { display: flex; flex-direction: column; gap: 3px; } .qn-hero__stat-n { font-family: var(--qn-display); font-size: var(--t-xl); font-weight: 600; color: var(--qn-heading); letter-spacing: -.02em; font-variant-numeric: tabular-nums; } .qn-hero__stat-l { font-size: var(--t-xs); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--qn-faint); } /* Hero feature panel — the latest article, presented as an object */ .qn-hero__feature { position: relative; border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--qn-border); background: var(--qn-card); box-shadow: var(--qn-shadow-lg); } .qn-hero__feature-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--qn-surface); } .qn-hero__feature-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); } .qn-hero__feature:hover .qn-hero__feature-media img { transform: scale(1.02); } .qn-hero__feature-media::after { content: ""; position: absolute; inset: 0; background: var(--qn-image-veil); } .qn-hero__feature-body { position: absolute; inset: auto 0 0 0; z-index: 1; padding: var(--s-6) clamp(20px, 3vw, 32px); display: flex; flex-direction: column; gap: var(--s-3); } .qn-hero__feature-body > .qn-badge { align-self: flex-start; } .qn-hero__feature-title { font-family: var(--qn-display); font-size: var(--t-xl); line-height: var(--lh-snug); font-weight: 600; letter-spacing: -.018em; color: #F8FAFC; margin: 0; } .qn-hero__feature-title a { color: inherit; } .qn-hero__feature-title a::after { content: ""; position: absolute; inset: 0; } .qn-hero__feature .qn-meta { color: rgba(248, 250, 252, .74); } .qn-hero__feature .qn-meta a { color: rgba(248, 250, 252, .82); } .qn-hero__feature-ph { position: absolute; inset: 0; background: radial-gradient(60% 60% at 30% 25%, color-mix(in srgb, var(--qn-accent) 24%, transparent), transparent 70%), radial-gradient(50% 50% at 78% 72%, color-mix(in srgb, var(--qn-accent-2) 26%, transparent), transparent 70%), var(--qn-surface); } /* ========================================================================== 09 Cards ========================================================================== */ .qn-card { position: relative; isolation: isolate; display: flex; flex-direction: column; background: var(--qn-card); border: 1px solid var(--qn-border); border-radius: var(--r-lg); overflow: hidden; transition: transform var(--d-slow) var(--ease), border-color var(--d-base) var(--ease-soft), box-shadow var(--d-slow) var(--ease); } .qn-card:hover { transform: translateY(-4px); border-color: var(--qn-border-firm); box-shadow: var(--qn-shadow-lg); } .qn-card__media { position: relative; overflow: hidden; background: var(--qn-surface); aspect-ratio: 16 / 10; } .qn-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); } .qn-card:hover .qn-card__media img { transform: scale(1.02); } .qn-card__media-ph { position: absolute; inset: 0; background: radial-gradient(58% 58% at 28% 26%, color-mix(in srgb, var(--qn-accent) 18%, transparent), transparent 70%), radial-gradient(50% 50% at 76% 74%, color-mix(in srgb, var(--qn-accent-2) 20%, transparent), transparent 70%), var(--qn-surface); } .qn-card__media-badge { position: absolute; top: var(--s-4); left: var(--s-4); z-index: 2; } .qn-card__media-badge .qn-badge { background: rgba(15, 23, 42, .72); border-color: rgba(248, 250, 252, .16); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); } .qn-card__body { display: flex; flex-direction: column; gap: var(--s-3); padding: var(--s-6) clamp(20px, 2.4vw, 28px) clamp(22px, 2.6vw, 28px); flex: 1; } .qn-card__title { font-family: var(--qn-display); font-weight: 600; font-size: var(--t-xl); line-height: 1.28; letter-spacing: -.018em; color: var(--qn-heading); margin: 0; text-wrap: pretty; } .qn-card__title a { color: inherit; } .qn-card__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; } .qn-card:hover .qn-card__title { color: var(--qn-accent); } .qn-card__dek { font-size: 0.9375rem; line-height: 1.7; color: var(--qn-muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; } .qn-card__foot { margin-top: auto; padding-top: var(--s-4); display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); flex-wrap: wrap; } .qn-card .qn-badge, .qn-card .qn-meta a { position: relative; z-index: 2; } /* Feature card — image left, copy right */ .qn-card--feature { flex-direction: row; align-items: stretch; } .qn-card--feature .qn-card__media { aspect-ratio: auto; flex: 0 0 clamp(280px, 46%, 560px); min-height: 340px; } .qn-card--feature .qn-card__body { justify-content: center; padding: clamp(28px, 3.4vw, 48px); gap: var(--s-4); } .qn-card--feature .qn-card__title { font-size: var(--t-3xl); line-height: 1.16; letter-spacing: -.024em; } .qn-card--feature .qn-card__dek { font-size: var(--t-md); -webkit-line-clamp: 4; } @media (max-width: 899px) { .qn-card--feature { flex-direction: column; } .qn-card--feature .qn-card__media { flex: none; aspect-ratio: 16 / 9; min-height: 0; } } /* Wide card — used in Editor's Picks */ .qn-card--wide .qn-card__title { font-size: var(--t-2xl); line-height: 1.2; } /* List card — no image, rule-separated. Archive rhythm. */ .qn-card--list { flex-direction: row; align-items: baseline; gap: clamp(20px, 3vw, 48px); background: transparent; border: 0; border-radius: 0; border-top: 1px solid var(--qn-border); padding: var(--s-6) 0; } .qn-card--list:hover { transform: none; box-shadow: none; } .qn-card--list .qn-card__index { font-family: var(--qn-mono); font-size: var(--t-sm); color: var(--qn-accent); flex: 0 0 48px; font-variant-numeric: tabular-nums; padding-top: 4px; } .qn-card--list .qn-card__body { padding: 0; gap: var(--s-3); } .qn-card--list .qn-card__title { font-size: var(--t-xl); } .qn-card--list .qn-card__media { flex: 0 0 clamp(120px, 18vw, 200px); aspect-ratio: 4 / 3; border-radius: var(--r-md); align-self: flex-start; } @media (max-width: 639px) { .qn-card--list { flex-wrap: wrap; gap: var(--s-4); } .qn-card--list .qn-card__index { flex-basis: 100%; padding-top: 0; } .qn-card--list .qn-card__media { flex: 0 0 100%; } } /* Compact card — sidebars, footers, related */ .qn-card--compact { flex-direction: row; align-items: flex-start; gap: var(--s-4); background: transparent; border: 0; border-radius: 0; padding: 0; } .qn-card--compact:hover { transform: none; box-shadow: none; } .qn-card--compact .qn-card__media { flex: 0 0 84px; aspect-ratio: 1; border-radius: var(--r-md); } .qn-card--compact .qn-card__body { padding: 0; gap: 6px; } .qn-card--compact .qn-card__title { font-size: var(--t-base); line-height: 1.4; letter-spacing: -.01em; } .qn-card--compact .qn-card__dek { display: none; } /* Numbered "popular" card */ .qn-card--rank { flex-direction: row; gap: var(--s-4); background: transparent; border: 0; padding: var(--s-4) 0; border-top: 1px solid var(--qn-border-soft); } .qn-card--rank:hover { transform: none; box-shadow: none; } .qn-card--rank .qn-card__index { font-family: var(--qn-display); font-size: var(--t-2xl); font-weight: 600; line-height: 1; color: var(--qn-border-firm); flex: none; min-width: 46px; font-variant-numeric: tabular-nums; transition: color var(--d-base) var(--ease-soft); } .qn-card--rank:hover .qn-card__index { color: var(--qn-accent); } .qn-card--rank .qn-card__body { padding: 0; gap: 6px; } .qn-card--rank .qn-card__title { font-size: var(--t-base); line-height: 1.42; } .qn-card--rank .qn-card__dek { display: none; } /* Grids */ .qn-grid { display: grid; gap: clamp(24px, 3vw, 40px); } .qn-grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); } .qn-grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); } .qn-grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); } .qn-stack { display: flex; flex-direction: column; gap: var(--s-6); } .qn-list-flow > .qn-card--list:last-child { border-bottom: 1px solid var(--qn-border); } /* ========================================================================== 10 Homepage sections ========================================================================== */ /* --- Editor's picks: one large + a stacked column --- */ .qn-picks { display: grid; gap: clamp(24px, 3vw, 40px); } @media (min-width: 1024px) { .qn-picks { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: start; } .qn-picks__side { display: flex; flex-direction: column; gap: var(--s-5); } } /* --- Topics grid --- */ .qn-topics { display: grid; gap: var(--s-4); grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); } .qn-topic { position: relative; isolation: isolate; overflow: hidden; display: flex; flex-direction: column; gap: var(--s-4); padding: clamp(22px, 2.6vw, 30px); border: 1px solid var(--qn-border); border-radius: var(--r-lg); background: var(--qn-card); color: var(--qn-text); transition: transform var(--d-slow) var(--ease), border-color var(--d-base) var(--ease-soft), box-shadow var(--d-slow) var(--ease); } .qn-topic:hover { transform: translateY(-4px); border-color: var(--qn-border-firm); box-shadow: var(--qn-shadow-md); color: var(--qn-text); } .qn-topic__icon { width: 46px; height: 46px; flex: none; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--r-md); background: color-mix(in srgb, var(--qn-cat, var(--qn-accent)) 12%, transparent); border: 1px solid color-mix(in srgb, var(--qn-cat, var(--qn-accent)) 26%, transparent); color: var(--qn-cat, var(--qn-accent)); } .qn-topic__icon svg { width: 24px; height: 24px; } .qn-topic__name, .qn-topic__count { display: block; } .qn-topic__name { font-family: var(--qn-display); font-size: var(--t-lg); font-weight: 600; letter-spacing: -.015em; color: var(--qn-heading); margin: 0; } .qn-topic__count { font-size: var(--t-sm); color: var(--qn-faint); margin: 0; } .qn-topic__glow { position: absolute; inset: auto -30% -60% auto; width: 220px; height: 220px; border-radius: 50%; z-index: -1; background: radial-gradient(circle, color-mix(in srgb, var(--qn-cat, var(--qn-accent)) 22%, transparent), transparent 70%); opacity: 0; transition: opacity var(--d-slow) var(--ease-soft); } .qn-topic:hover .qn-topic__glow { opacity: .8; } /* --- Research spotlight --- */ .qn-spotlight { position: relative; isolation: isolate; overflow: hidden; border: 1px solid var(--qn-border); border-radius: var(--r-xl); background: var(--qn-surface); padding: clamp(32px, 5vw, 72px); } .qn-spotlight__grid { display: grid; gap: var(--s-7) clamp(32px, 5vw, 72px); } @media (min-width: 900px) { .qn-spotlight__grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); } } .qn-spotlight__title { font-family: var(--qn-display); font-size: var(--t-3xl); line-height: 1.16; font-weight: 600; letter-spacing: -.024em; color: var(--qn-heading); margin: var(--s-4) 0 var(--s-5); text-wrap: balance; } .qn-spotlight__abstract { font-size: var(--t-md); line-height: 1.75; color: var(--qn-muted); margin: 0; padding-left: var(--s-5); border-left: 2px solid color-mix(in srgb, var(--qn-accent) 45%, transparent); max-width: 62ch; } .qn-spotlight__meta { display: flex; flex-direction: column; gap: var(--s-5); } .qn-spotlight__row { display: flex; flex-direction: column; gap: 5px; padding-bottom: var(--s-4); border-bottom: 1px solid var(--qn-border-soft); } .qn-spotlight__row-label { font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-faint); } .qn-spotlight__row-value { font-size: 0.9375rem; color: var(--qn-text); word-break: break-word; } .qn-spotlight__row-value a { color: var(--qn-accent); } .qn-spotlight__doi { font-family: var(--qn-mono); font-size: var(--t-sm); } /* --- Quote band --- */ .qn-quoteband { position: relative; isolation: isolate; overflow: hidden; background: var(--qn-bg-deep); border-block: 1px solid var(--qn-border); padding-block: clamp(72px, 10vw, 140px); } .qn-quoteband blockquote { font-family: var(--qn-display); font-weight: 400; font-style: italic; font-size: clamp(1.625rem, 3.4vw, 3rem); line-height: 1.28; letter-spacing: -.024em; color: var(--qn-heading); margin: 0; max-width: 24ch; text-wrap: balance; } .qn-quoteband figure { margin: 0; } .qn-quoteband figcaption { margin-top: var(--s-6); font-size: var(--t-sm); letter-spacing: .1em; text-transform: uppercase; color: var(--qn-faint); display: flex; align-items: center; gap: var(--s-3); } .qn-quoteband figcaption::before { content: ""; width: 36px; height: 1px; background: var(--qn-accent); flex: none; } /* --- Newsletter band --- */ .qn-subscribe { position: relative; isolation: isolate; overflow: hidden; background: var(--qn-surface); border-block: 1px solid var(--qn-border); padding-block: clamp(64px, 8vw, 112px); } .qn-subscribe__grid { display: grid; gap: var(--s-7) clamp(32px, 6vw, 96px); align-items: center; } @media (min-width: 900px) { .qn-subscribe__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } } .qn-subscribe__title { font-family: var(--qn-display); font-size: var(--t-3xl); line-height: 1.14; font-weight: 600; letter-spacing: -.024em; color: var(--qn-heading); margin: var(--s-4) 0 var(--s-4); text-wrap: balance; } .qn-subscribe__dek { font-size: var(--t-md); color: var(--qn-muted); margin: 0; max-width: 46ch; } .qn-subscribe__form { display: flex; gap: var(--s-3); flex-wrap: wrap; } .qn-subscribe__form input[type="email"] { flex: 1 1 240px; min-width: 0; min-height: 52px; padding: 14px 20px; border: 1px solid var(--qn-border-firm); border-radius: var(--r-pill); background: var(--qn-bg); color: var(--qn-text); font-size: var(--t-base); transition: border-color var(--d-fast) var(--ease-soft), box-shadow var(--d-fast) var(--ease-soft); } .qn-subscribe__form input[type="email"]::placeholder { color: var(--qn-faint); } .qn-subscribe__form input[type="email"]:focus { outline: none; border-color: var(--qn-accent); box-shadow: 0 0 0 3px var(--qn-accent-soft); } .qn-subscribe__form button { min-height: 52px; } .qn-subscribe__note { display: flex; align-items: center; gap: var(--s-2); font-size: var(--t-sm); color: var(--qn-faint); margin: var(--s-4) 0 0; } .qn-subscribe__note svg { width: 15px; height: 15px; flex: none; color: var(--qn-accent); } .qn-subscribe__benefits { list-style: none; margin: var(--s-5) 0 0; padding: 0; display: flex; flex-direction: column; gap: var(--s-3); } .qn-subscribe__benefits li { display: flex; align-items: flex-start; gap: var(--s-3); font-size: 0.9375rem; color: var(--qn-muted); } .qn-subscribe__benefits svg { width: 18px; height: 18px; flex: none; margin-top: 3px; color: var(--qn-accent); } /* ========================================================================== 11 Article (single) ========================================================================== */ .qn-article__head { position: relative; isolation: isolate; overflow: hidden; padding-block: clamp(56px, 8vh, 104px) var(--s-7); } .qn-article__head-inner { max-width: 860px; } .qn-article__breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: var(--s-2); font-size: var(--t-sm); color: var(--qn-faint); margin: 0 0 var(--s-5); list-style: none; padding: 0; } .qn-article__breadcrumb li { display: flex; align-items: center; gap: var(--s-2); } .qn-article__breadcrumb li + li::before { content: "/"; opacity: .4; } .qn-article__breadcrumb a { color: var(--qn-muted); } .qn-article__breadcrumb a:hover { color: var(--qn-accent); } .qn-article__title { font-family: var(--qn-display); font-weight: 600; font-size: var(--t-4xl); line-height: 1.1; letter-spacing: -.028em; color: var(--qn-heading); margin: var(--s-5) 0 var(--s-5); text-wrap: balance; } .qn-article__standfirst { font-size: var(--t-lg); line-height: 1.66; color: var(--qn-muted); margin: 0 0 var(--s-6); max-width: 62ch; } .qn-article__byline { display: flex; align-items: center; flex-wrap: wrap; gap: var(--s-4); padding-top: var(--s-5); border-top: 1px solid var(--qn-border); } .qn-article__byline img, .qn-article__byline .avatar { width: 44px; height: 44px; border-radius: 50%; flex: none; } .qn-article__byline-text { display: flex; flex-direction: column; gap: 2px; } .qn-article__byline-name { font-size: 0.9375rem; font-weight: 600; color: var(--qn-heading); margin: 0; } .qn-article__byline-name a { color: inherit; } .qn-article__byline-name a:hover { color: var(--qn-accent); } .qn-article__media { margin-block: var(--s-6) var(--s-8); } .qn-article__media figure { margin: 0; } .qn-article__media img { width: 100%; max-height: 620px; object-fit: cover; border-radius: var(--r-lg); box-shadow: var(--qn-shadow-lg); } .qn-article__media figcaption { font-size: var(--t-sm); line-height: 1.6; color: var(--qn-faint); margin-top: var(--s-4); padding-left: var(--s-4); border-left: 2px solid var(--qn-border-firm); max-width: 62ch; } /* Article body layout: TOC rail | prose | share rail */ .qn-article__layout { display: grid; gap: clamp(32px, 4vw, 64px); grid-template-columns: minmax(0, 1fr); align-items: start; } @media (min-width: 1080px) { .qn-article__layout { grid-template-columns: 240px minmax(0, 1fr) 64px; } /* Set by main.js when the article supplies its own contents list. The rail must leave the grid too, or it keeps column one and pushes the share rail onto a second row. */ .qn-article__layout.qn-no-toc { grid-template-columns: minmax(0, 1fr) 64px; } .qn-article__layout.qn-no-toc .qn-article__rail-left { display: none; } } .qn-article__rail-left, .qn-article__rail-right { display: none; } @media (min-width: 1080px) { .qn-article__rail-left, .qn-article__rail-right { display: block; position: sticky; top: calc(var(--qn-nav-h) + 32px); } } /* ========================================================================== Prose — the reading experience ========================================================================== */ .qn-prose { font-family: var(--qn-display); font-size: 1.1875rem; line-height: 1.78; color: var(--qn-text); max-width: 72ch; font-feature-settings: "kern" 1, "liga" 1, "onum" 1; } .qn-prose > * { margin-block: 0 var(--s-6); } .qn-prose > *:last-child { margin-bottom: 0; } .qn-prose h2, .qn-prose h3, .qn-prose h4 { font-family: var(--qn-display); font-weight: 600; color: var(--qn-heading); letter-spacing: -.02em; scroll-margin-top: calc(var(--qn-nav-h) + 32px); text-wrap: balance; } .qn-prose h2 { font-size: var(--t-2xl); line-height: 1.24; margin-block: var(--s-9) var(--s-5); } .qn-prose h3 { font-size: var(--t-xl); line-height: 1.3; margin-block: var(--s-8) var(--s-4); } .qn-prose h4 { font-size: var(--t-lg); line-height: 1.4; margin-block: var(--s-7) var(--s-4); } .qn-prose > h2:first-child, .qn-prose > h3:first-child { margin-top: 0; } .qn-prose a { color: var(--qn-text); background-image: linear-gradient(var(--qn-accent), var(--qn-accent)); background-size: 100% 1px; background-position: 0 100%; background-repeat: no-repeat; padding-bottom: 1px; transition: color var(--d-fast) var(--ease-soft), background-size var(--d-base) var(--ease); } .qn-prose a:hover { color: var(--qn-accent); background-size: 100% 2px; } .qn-prose strong { font-weight: 600; color: var(--qn-heading); } .qn-prose em { font-style: italic; } .qn-prose ul, .qn-prose ol { padding-left: var(--s-6); } .qn-prose li + li { margin-top: var(--s-3); } .qn-prose li::marker { color: var(--qn-accent); } .qn-prose blockquote { margin-block: var(--s-8); padding: var(--s-2) 0 var(--s-2) var(--s-6); border-left: 2px solid var(--qn-accent); font-style: italic; font-size: 1.25rem; line-height: 1.62; color: var(--qn-heading); } .qn-prose blockquote p:last-child { margin-bottom: 0; } .qn-prose blockquote cite { display: block; margin-top: var(--s-4); font-family: var(--qn-body); font-style: normal; font-size: var(--t-sm); letter-spacing: .08em; text-transform: uppercase; color: var(--qn-faint); } /* Pull quote — full attention, no box */ .qn-prose .qn-pullquote, .qn-prose .wp-block-pullquote { margin-block: var(--s-9); padding: var(--s-7) 0; border: 0; border-block: 1px solid var(--qn-border); text-align: left; background: transparent; } .qn-prose .qn-pullquote blockquote, .qn-prose .wp-block-pullquote blockquote { border: 0; padding: 0; margin: 0; font-style: normal; } .qn-prose .qn-pullquote p, .qn-prose .wp-block-pullquote p { font-family: var(--qn-display); font-weight: 600; font-style: italic; font-size: clamp(1.5rem, 2.6vw, 2rem); line-height: 1.3; letter-spacing: -.022em; color: var(--qn-heading); margin: 0; } .qn-prose .qn-pullquote cite, .qn-prose .wp-block-pullquote cite { display: block; margin-top: var(--s-4); font-family: var(--qn-body); font-size: var(--t-sm); font-style: normal; letter-spacing: .1em; text-transform: uppercase; color: var(--qn-faint); } /* Figures */ .qn-prose figure, .qn-prose .wp-block-image { margin-block: var(--s-8); } .qn-prose figure img, .qn-prose .wp-block-image img { width: 100%; height: auto; border-radius: var(--r-md); box-shadow: var(--qn-shadow-md); } .qn-prose figcaption, .qn-prose .wp-element-caption { font-family: var(--qn-body); font-size: var(--t-sm); line-height: 1.6; color: var(--qn-faint); margin-top: var(--s-4); padding-left: var(--s-4); border-left: 2px solid var(--qn-border-firm); max-width: 60ch; } .qn-prose figcaption strong, .qn-prose .wp-element-caption strong { color: var(--qn-muted); font-weight: 600; } /* Wide / full-bleed media inside the reading column */ .qn-prose .alignwide, .qn-prose .wp-block-image.alignwide { width: min(112%, 100vw - 2 * var(--edge)); margin-inline: calc(50% - min(56%, 50vw - var(--edge))); } .qn-prose .alignfull { width: min(124%, 100vw - 2 * var(--edge)); margin-inline: calc(50% - min(62%, 50vw - var(--edge))); } /* Code */ .qn-prose code { font-family: var(--qn-mono); font-size: .86em; background: var(--qn-card); color: var(--qn-accent); padding: 2px 6px; border-radius: 5px; border: 1px solid var(--qn-border-soft); } .qn-prose pre { font-family: var(--qn-mono); font-size: 0.875rem; line-height: 1.7; background: var(--qn-bg-deep); color: #E2E8F0; border: 1px solid var(--qn-border); border-radius: var(--r-md); padding: var(--s-6); overflow-x: auto; margin-block: var(--s-7); -webkit-overflow-scrolling: touch; tab-size: 2; } .qn-prose pre code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; } [data-theme="light"] .qn-prose pre { background: #0F172A; color: #E2E8F0; border-color: transparent; } /* Tables */ .qn-prose .qn-table-scroll, .qn-prose .wp-block-table { overflow-x: auto; margin-block: var(--s-7); -webkit-overflow-scrolling: touch; } .qn-prose table { width: 100%; border-collapse: collapse; font-family: var(--qn-body); font-size: 0.9375rem; line-height: 1.6; min-width: 480px; } .qn-prose th, .qn-prose td { text-align: left; padding: var(--s-3) var(--s-4); border-bottom: 1px solid var(--qn-border); vertical-align: top; } .qn-prose thead th { font-size: var(--t-xs); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--qn-faint); border-bottom-color: var(--qn-border-firm); } .qn-prose tbody tr:last-child td { border-bottom: 0; } .qn-prose td { color: var(--qn-muted); } .qn-prose .wp-block-table figcaption { border: 0; padding-left: 0; } /* Mathematics — MathJax/KaTeX friendly */ .qn-prose .math, .qn-prose .MathJax, .qn-prose mjx-container { font-size: 1.03em; } .qn-prose mjx-container[display="true"], .qn-prose .katex-display, .qn-prose .qn-equation { display: block; overflow-x: auto; overflow-y: hidden; margin-block: var(--s-7); padding: var(--s-5) var(--s-6); background: color-mix(in srgb, var(--qn-surface) 70%, transparent); border: 1px solid var(--qn-border-soft); border-radius: var(--r-md); text-align: center; } .qn-prose .qn-equation { position: relative; } .qn-prose .qn-equation__number { position: absolute; right: var(--s-5); top: 50%; transform: translateY(-50%); font-family: var(--qn-mono); font-size: var(--t-sm); color: var(--qn-faint); } /* Standfirst / lede paragraph inside body copy */ .qn-prose .qn-lede { font-size: 1.3125rem; line-height: 1.62; color: var(--qn-heading); font-weight: 400; } /* Drop cap — opt-in via .qn-dropcap on the first paragraph */ .qn-prose .qn-dropcap::first-letter { float: left; font-family: var(--qn-display); font-weight: 600; font-size: 3.9em; line-height: .84; padding: .06em .09em 0 0; color: var(--qn-accent); } /* Callout / aside */ .qn-prose .qn-callout { font-family: var(--qn-body); border: 1px solid var(--qn-border); border-radius: var(--r-lg); background: var(--qn-surface); padding: clamp(22px, 2.6vw, 32px); margin-block: var(--s-7); font-size: var(--t-base); line-height: 1.7; } .qn-prose .qn-callout--accent { border-color: color-mix(in srgb, var(--qn-accent) 34%, transparent); background: var(--qn-accent-soft); } .qn-prose .qn-callout--violet { border-color: color-mix(in srgb, var(--qn-accent-2) 34%, transparent); background: var(--qn-violet-soft); } .qn-prose .qn-callout__label { font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-accent); margin: 0 0 var(--s-3); } .qn-prose .qn-callout__figure { font-family: var(--qn-display); font-weight: 600; font-size: var(--t-3xl); line-height: 1.1; letter-spacing: -.024em; color: var(--qn-heading); margin: 0 0 var(--s-2); font-variant-numeric: tabular-nums; } .qn-prose .qn-callout p:last-child { margin-bottom: 0; } /* Key takeaways */ .qn-prose .qn-takeaways { font-family: var(--qn-body); border: 1px solid color-mix(in srgb, var(--qn-accent) 26%, transparent); border-radius: var(--r-lg); background: var(--qn-accent-soft); padding: clamp(22px, 2.6vw, 32px); margin-block: var(--s-7); } .qn-prose .qn-takeaways__title { font-family: var(--qn-body) !important; font-size: var(--t-xs) !important; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-accent); margin: 0 0 var(--s-4) !important; } .qn-prose .qn-takeaways ul { margin: 0; padding-left: var(--s-5); } .qn-prose .qn-takeaways li { font-size: var(--t-base); line-height: 1.7; color: var(--qn-text); } /* FAQ / details */ .qn-prose .wp-block-details, .qn-prose .qn-faq { font-family: var(--qn-body); border-bottom: 1px solid var(--qn-border); margin-block: 0; } .qn-prose .wp-block-details summary, .qn-prose .qn-faq summary { cursor: pointer; list-style: none; position: relative; padding: var(--s-5) var(--s-7) var(--s-5) 0; font-family: var(--qn-display); font-weight: 600; font-size: var(--t-lg); line-height: 1.4; color: var(--qn-heading); transition: color var(--d-fast) var(--ease-soft); } .qn-prose summary::-webkit-details-marker { display: none; } .qn-prose .wp-block-details summary:hover, .qn-prose .qn-faq summary:hover { color: var(--qn-accent); } .qn-prose .wp-block-details summary::after, .qn-prose .qn-faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 11px; height: 11px; margin-top: -6px; border-right: 1.5px solid var(--qn-accent); border-bottom: 1.5px solid var(--qn-accent); transform: rotate(45deg); transform-origin: center; transition: transform var(--d-base) var(--ease); } .qn-prose .wp-block-details[open] summary::after, .qn-prose .qn-faq[open] summary::after { transform: rotate(-135deg); margin-top: -2px; } .qn-prose .wp-block-details > *:not(summary), .qn-prose .qn-faq > *:not(summary) { font-size: var(--t-base); line-height: 1.7; color: var(--qn-muted); padding-bottom: var(--s-5); } /* Footnotes & references */ .qn-prose .qn-footnote-ref, .qn-prose sup a { font-family: var(--qn-body); font-size: .68em; font-weight: 600; color: var(--qn-accent); background: none; padding: 0 1px; vertical-align: super; line-height: 0; } .qn-prose .wp-block-footnotes, .qn-prose .qn-footnotes { font-family: var(--qn-body); font-size: 0.9375rem; line-height: 1.7; color: var(--qn-muted); padding-left: var(--s-5); margin-top: var(--s-8); padding-top: var(--s-6); border-top: 1px solid var(--qn-border); } .qn-prose .qn-footnotes li + li, .qn-prose .wp-block-footnotes li + li { margin-top: var(--s-3); } .qn-references { font-family: var(--qn-body); margin-top: var(--s-8); padding-top: var(--s-6); border-top: 1px solid var(--qn-border); } .qn-references__title { font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-faint); margin: 0 0 var(--s-5); } .qn-references ol { margin: 0; padding-left: var(--s-5); font-size: 0.9375rem; line-height: 1.7; color: var(--qn-muted); } .qn-references li + li { margin-top: var(--s-3); } .qn-references li::marker { color: var(--qn-accent); font-variant-numeric: tabular-nums; } .qn-prose hr, .qn-prose .wp-block-separator { border: 0; border-top: 1px solid var(--qn-border); margin-block: var(--s-8); max-width: none; } .qn-prose .wp-block-embed, .qn-prose iframe { margin-block: var(--s-7); max-width: 100%; } .qn-prose .wp-block-embed iframe { border-radius: var(--r-md); } /* ========================================================================== 12 Reading furniture ========================================================================== */ /* Floating table of contents */ .qn-toc { font-family: var(--qn-body); } .qn-toc__label { font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-faint); margin: 0 0 var(--s-4); padding-bottom: var(--s-3); border-bottom: 1px solid var(--qn-border); } .qn-toc__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; max-height: 62vh; overflow-y: auto; } .qn-toc__list a { display: block; padding: 7px 0 7px var(--s-4); font-size: 0.875rem; line-height: 1.5; color: var(--qn-faint); border-left: 1.5px solid var(--qn-border); transition: color var(--d-fast) var(--ease-soft), border-color var(--d-fast) var(--ease-soft); } .qn-toc__list a:hover { color: var(--qn-text); border-left-color: var(--qn-border-firm); } .qn-toc__list a.is-active { color: var(--qn-accent); border-left-color: var(--qn-accent); } .qn-toc__list .is-sub a { padding-left: var(--s-6); font-size: 0.8125rem; } /* A contents list written by hand inside the article body. Older posts carry one; it is styled here so it reads as part of the same system. */ .qn-prose .qn-toc { font-family: var(--qn-body); border: 1px solid var(--qn-border); border-radius: var(--r-lg); background: var(--qn-surface); padding: var(--s-5) var(--s-6); margin-block: var(--s-7); } .qn-prose .qn-toc .qn-toc__label { margin-bottom: var(--s-4); } .qn-prose .qn-toc ul, .qn-prose .qn-toc ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; max-height: none; } .qn-prose .qn-toc li { margin: 0; } .qn-prose .qn-toc li::marker { content: none; } .qn-prose .qn-toc a { display: block; padding: 7px 0 7px var(--s-4); font-size: 0.9375rem; line-height: 1.5; color: var(--qn-muted); border-left: 1.5px solid var(--qn-border); background: none; } .qn-prose .qn-toc a:hover { color: var(--qn-accent); border-left-color: var(--qn-accent); } .qn-prose .qn-toc ul ul a, .qn-prose .qn-toc ol ol a { padding-left: var(--s-6); font-size: 0.875rem; } /* Inline (mobile) TOC */ .qn-toc--inline { border: 1px solid var(--qn-border); border-radius: var(--r-lg); background: var(--qn-surface); padding: var(--s-5) var(--s-6); margin-bottom: var(--s-7); } .qn-toc--inline summary { cursor: pointer; list-style: none; font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-accent); display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); } .qn-toc--inline summary::-webkit-details-marker { display: none; } .qn-toc--inline[open] summary { margin-bottom: var(--s-4); padding-bottom: var(--s-4); border-bottom: 1px solid var(--qn-border); } .qn-toc--inline .qn-toc__list { max-height: none; } @media (min-width: 1080px) { .qn-toc--inline { display: none; } } /* Sticky share rail */ .qn-share { display: flex; flex-direction: column; gap: var(--s-2); } .qn-share__label { font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-faint); writing-mode: vertical-rl; margin: 0 0 var(--s-3); align-self: center; } .qn-share a, .qn-share button { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: var(--r-pill); border: 1px solid var(--qn-border); background: transparent; color: var(--qn-faint); cursor: pointer; transition: color var(--d-fast) var(--ease-soft), border-color var(--d-fast) var(--ease-soft), background-color var(--d-fast) var(--ease-soft); } .qn-share a:hover, .qn-share button:hover { color: var(--qn-accent); border-color: var(--qn-accent); background: var(--qn-accent-soft); } .qn-share svg { width: 18px; height: 18px; } /* Horizontal share (mobile + article foot) */ .qn-share--row { flex-direction: row; align-items: center; flex-wrap: wrap; gap: var(--s-3); padding-top: var(--s-6); margin-top: var(--s-8); border-top: 1px solid var(--qn-border); } .qn-share--row .qn-share__label { writing-mode: horizontal-tb; margin: 0 var(--s-2) 0 0; } @media (min-width: 1080px) { .qn-share--row { display: none; } } .qn-copied { position: fixed; left: 50%; bottom: 32px; transform: translateX(-50%) translateY(8px); background: var(--qn-card); color: var(--qn-heading); border: 1px solid var(--qn-border-firm); border-radius: var(--r-pill); padding: 10px 20px; font-size: var(--t-sm); z-index: 400; box-shadow: var(--qn-shadow-lg); opacity: 0; pointer-events: none; transition: opacity var(--d-base) var(--ease-soft), transform var(--d-base) var(--ease); } .qn-copied.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); } /* Author box */ .qn-authorbox { display: flex; gap: clamp(20px, 3vw, 32px); flex-wrap: wrap; padding: clamp(24px, 3vw, 40px); border: 1px solid var(--qn-border); border-radius: var(--r-lg); background: var(--qn-surface); margin-top: var(--s-8); } .qn-authorbox__avatar { flex: none; } .qn-authorbox__avatar img, .qn-authorbox__avatar .avatar { width: 88px; height: 88px; border-radius: 50%; border: 1px solid var(--qn-border); } .qn-authorbox__body { flex: 1 1 280px; display: flex; flex-direction: column; gap: var(--s-3); } .qn-authorbox__name { font-family: var(--qn-display); font-size: var(--t-lg); font-weight: 600; letter-spacing: -.015em; color: var(--qn-heading); margin: 0; } .qn-authorbox__role { font-size: var(--t-sm); letter-spacing: .08em; text-transform: uppercase; color: var(--qn-accent); margin: 0; } .qn-authorbox__bio { font-size: 0.9375rem; line-height: 1.72; color: var(--qn-muted); margin: 0; max-width: 62ch; } .qn-authorbox__links { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; margin-top: var(--s-2); } /* Prev / next */ .qn-postnav { display: grid; gap: var(--s-4); margin-top: var(--s-8); grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); } .qn-postnav__item { display: flex; flex-direction: column; gap: var(--s-3); padding: var(--s-6); border: 1px solid var(--qn-border); border-radius: var(--r-lg); background: var(--qn-card); transition: border-color var(--d-base) var(--ease-soft), transform var(--d-slow) var(--ease), box-shadow var(--d-slow) var(--ease); } .qn-postnav__item:hover { border-color: var(--qn-border-firm); transform: translateY(-3px); box-shadow: var(--qn-shadow-md); } .qn-postnav__dir { display: flex; align-items: center; gap: var(--s-2); font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-accent); } .qn-postnav__dir svg { width: 14px; height: 14px; } .qn-postnav__item--next { text-align: right; } .qn-postnav__item--next .qn-postnav__dir { justify-content: flex-end; } .qn-postnav__title { font-family: var(--qn-display); font-size: var(--t-lg); font-weight: 600; line-height: 1.34; letter-spacing: -.015em; color: var(--qn-heading); margin: 0; } /* Related */ .qn-related { margin-top: var(--s-9); padding-top: var(--s-7); border-top: 1px solid var(--qn-border); } /* Inline newsletter prompt inside an article */ .qn-inline-cta { margin-block: var(--s-9); padding: clamp(28px, 3.4vw, 44px); border: 1px solid var(--qn-border); border-radius: var(--r-lg); background: var(--qn-surface); position: relative; isolation: isolate; overflow: hidden; font-family: var(--qn-body); } .qn-inline-cta__title { font-family: var(--qn-display); font-size: var(--t-xl); font-weight: 600; letter-spacing: -.018em; color: var(--qn-heading); margin: var(--s-3) 0 var(--s-3); } .qn-inline-cta__dek { font-size: 0.9375rem; line-height: 1.7; color: var(--qn-muted); margin: 0 0 var(--s-5); max-width: 52ch; } /* Lightbox */ .qn-lightbox { position: fixed; inset: 0; z-index: 500; background: rgba(3, 7, 18, .94); display: flex; align-items: center; justify-content: center; padding: var(--s-7) var(--edge); opacity: 0; visibility: hidden; transition: opacity var(--d-base) var(--ease-soft), visibility var(--d-base); } .qn-lightbox.is-open { opacity: 1; visibility: visible; } .qn-lightbox img { max-width: 100%; max-height: 84vh; width: auto; object-fit: contain; border-radius: var(--r-md); box-shadow: var(--qn-shadow-lg); transform: scale(.985); transition: transform var(--d-slow) var(--ease); } .qn-lightbox.is-open img { transform: scale(1); } .qn-lightbox__cap { position: absolute; left: 0; right: 0; bottom: var(--s-6); text-align: center; font-size: var(--t-sm); color: rgba(248, 250, 252, .72); padding-inline: var(--edge); } .qn-lightbox__close { position: absolute; top: var(--s-5); right: var(--edge); color: #F8FAFC; border-color: rgba(248, 250, 252, .24); } .qn-prose .qn-zoomable { cursor: zoom-in; } /* ========================================================================== 13 Archives, category, author, search, 404, newsletter, about, contact ========================================================================== */ .qn-pagehero { position: relative; isolation: isolate; overflow: hidden; padding-block: clamp(56px, 8vh, 104px) clamp(32px, 4vw, 56px); } .qn-pagehero__inner { max-width: 820px; } .qn-pagehero__title { font-family: var(--qn-display); font-weight: 600; font-size: var(--t-4xl); line-height: 1.1; letter-spacing: -.028em; color: var(--qn-heading); margin: var(--s-5) 0 0; text-wrap: balance; } .qn-pagehero__dek { font-size: var(--t-lg); line-height: 1.66; color: var(--qn-muted); margin: var(--s-5) 0 0; max-width: 60ch; } .qn-pagehero__meta { margin-top: var(--s-5); } .qn-pagehero--center { text-align: center; } .qn-pagehero--center .qn-pagehero__inner { margin-inline: auto; } .qn-pagehero--center .qn-kicker { justify-content: center; } .qn-pagehero--center .qn-pagehero__dek { margin-inline: auto; } /* Category / archive icon lockup */ .qn-archive__lockup { display: flex; align-items: center; gap: var(--s-4); } .qn-archive__icon { width: 56px; height: 56px; flex: none; border-radius: var(--r-md); display: inline-flex; align-items: center; justify-content: center; color: var(--qn-cat, var(--qn-accent)); background: color-mix(in srgb, var(--qn-cat, var(--qn-accent)) 12%, transparent); border: 1px solid color-mix(in srgb, var(--qn-cat, var(--qn-accent)) 26%, transparent); } .qn-archive__icon svg { width: 28px; height: 28px; } /* Filter / sort toolbar */ .qn-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--s-4); padding-block: var(--s-5); border-block: 1px solid var(--qn-border); margin-bottom: var(--s-7); } .qn-toolbar__group { display: flex; align-items: center; flex-wrap: wrap; gap: var(--s-2); } .qn-toolbar__label { font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-faint); margin: 0 var(--s-2) 0 0; } .qn-chip { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 6px 15px; border-radius: var(--r-pill); border: 1px solid var(--qn-border); background: transparent; font-size: var(--t-sm); font-weight: 500; color: var(--qn-muted); cursor: pointer; transition: color var(--d-fast) var(--ease-soft), border-color var(--d-fast) var(--ease-soft), background-color var(--d-fast) var(--ease-soft); } .qn-chip:hover { color: var(--qn-heading); border-color: var(--qn-border-firm); } .qn-chip.is-active, .qn-chip[aria-current="true"] { color: var(--qn-accent-ink); background: var(--qn-accent); border-color: var(--qn-accent); } .qn-toolbar__count { font-size: var(--t-sm); color: var(--qn-faint); font-variant-numeric: tabular-nums; } /* Pagination */ .qn-pagination { margin-top: var(--s-8); } .qn-pagination .nav-links { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-2); } .qn-pagination .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 46px; height: 46px; padding: 0 var(--s-3); border: 1px solid var(--qn-border); border-radius: var(--r-pill); font-size: 0.9375rem; font-weight: 500; color: var(--qn-muted); font-variant-numeric: tabular-nums; transition: color var(--d-fast) var(--ease-soft), border-color var(--d-fast) var(--ease-soft), background-color var(--d-fast) var(--ease-soft); } .qn-pagination .page-numbers:hover { color: var(--qn-accent); border-color: var(--qn-border-firm); background: var(--qn-accent-soft); } .qn-pagination .page-numbers.current { color: var(--qn-accent-ink); background: var(--qn-accent); border-color: var(--qn-accent); } .qn-pagination .page-numbers.dots { border-color: transparent; } .qn-pagination .screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); } /* Search results */ .qn-searchbar { display: flex; align-items: center; gap: var(--s-2); max-width: 600px; padding: 6px 6px 6px var(--s-5); border: 1px solid var(--qn-border-firm); border-radius: var(--r-pill); background: var(--qn-surface); transition: border-color var(--d-fast) var(--ease-soft), box-shadow var(--d-fast) var(--ease-soft); } .qn-searchbar:focus-within { border-color: var(--qn-accent); box-shadow: 0 0 0 3px var(--qn-accent-soft); } .qn-searchbar input[type="search"] { flex: 1; min-width: 0; border: 0; background: transparent; padding: var(--s-3) 0; font-size: var(--t-base); color: var(--qn-text); } .qn-searchbar input[type="search"]:focus { outline: none; } .qn-searchbar input::placeholder { color: var(--qn-faint); } .qn-searchbar button { width: 44px; height: 44px; flex: none; border: 0; border-radius: var(--r-pill); background: var(--qn-accent); color: var(--qn-accent-ink); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; } .qn-searchbar button svg { width: 18px; height: 18px; } .qn-search-mark, .qn-prose mark, .qn-card__dek mark, .qn-card__title mark { background: color-mix(in srgb, var(--qn-accent) 22%, transparent); color: inherit; border-radius: 3px; padding: 0 3px; } /* Empty state */ .qn-emptystate { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--s-5); padding-block: clamp(48px, 8vw, 96px); max-width: 560px; margin-inline: auto; } .qn-emptystate__art { width: min(280px, 70%); color: var(--qn-accent); opacity: .6; } .qn-emptystate__title { font-family: var(--qn-display); font-size: var(--t-2xl); font-weight: 600; letter-spacing: -.022em; color: var(--qn-heading); margin: 0; } .qn-emptystate__dek { font-size: var(--t-md); color: var(--qn-muted); margin: 0; } /* 404 */ .qn-404 { position: relative; isolation: isolate; overflow: hidden; padding-block: clamp(72px, 10vh, 140px) var(--section); text-align: center; } .qn-404__art { width: min(420px, 74%); margin: 0 auto var(--s-7); color: var(--qn-accent); } .qn-404__code { font-family: var(--qn-mono); font-size: var(--t-sm); letter-spacing: .3em; text-transform: uppercase; color: var(--qn-faint); margin: 0 0 var(--s-4); } .qn-404__title { font-family: var(--qn-display); font-weight: 600; font-size: var(--t-4xl); line-height: 1.1; letter-spacing: -.028em; color: var(--qn-heading); margin: 0 auto var(--s-5); max-width: 18ch; } .qn-404__dek { font-size: var(--t-md); color: var(--qn-muted); margin: 0 auto var(--s-7); max-width: 56ch; } .qn-404 .qn-searchbar { margin-inline: auto; } .qn-404 .qn-btns { justify-content: center; margin-top: var(--s-6); } /* Author page */ .qn-authorhero { position: relative; isolation: isolate; overflow: hidden; padding-block: clamp(56px, 8vh, 104px) clamp(40px, 5vw, 72px); } .qn-authorhero__grid { display: grid; gap: var(--s-7) clamp(32px, 5vw, 64px); align-items: start; } @media (min-width: 860px) { .qn-authorhero__grid { grid-template-columns: 200px minmax(0, 1fr); } } .qn-authorhero__portrait { width: 100%; max-width: 200px; aspect-ratio: 1; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--qn-border); box-shadow: var(--qn-shadow-md); background: var(--qn-card); } .qn-authorhero__portrait img, .qn-authorhero__portrait .avatar { width: 100%; height: 100%; object-fit: cover; border-radius: 0; } .qn-authorhero__name { font-family: var(--qn-display); font-weight: 600; font-size: var(--t-3xl); line-height: 1.14; letter-spacing: -.026em; color: var(--qn-heading); margin: var(--s-4) 0 var(--s-3); } .qn-authorhero__bio { font-size: var(--t-md); line-height: 1.75; color: var(--qn-muted); margin: 0 0 var(--s-6); max-width: 64ch; } .qn-social { display: flex; flex-wrap: wrap; gap: var(--s-2); } .qn-social a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: var(--r-pill); border: 1px solid var(--qn-border); color: var(--qn-faint); transition: color var(--d-fast) var(--ease-soft), border-color var(--d-fast) var(--ease-soft), background-color var(--d-fast) var(--ease-soft); } .qn-social a:hover { color: var(--qn-accent); border-color: var(--qn-accent); background: var(--qn-accent-soft); } .qn-social svg { width: 17px; height: 17px; } /* About page — two-column prose */ .qn-cols { display: grid; gap: clamp(32px, 4vw, 64px); } @media (min-width: 860px) { .qn-cols--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } } .qn-col__title { font-family: var(--qn-display); font-size: var(--t-xl); font-weight: 600; letter-spacing: -.018em; color: var(--qn-heading); margin: var(--s-4) 0 var(--s-3); } .qn-col p { font-size: var(--t-base); line-height: 1.75; color: var(--qn-muted); margin: 0 0 var(--s-4); } .qn-col p:last-child { margin-bottom: 0; } /* Newsletter page hero */ .qn-nl-hero { position: relative; isolation: isolate; overflow: hidden; padding-block: clamp(64px, 9vh, 120px) var(--s-8); text-align: center; } .qn-nl-form { max-width: 520px; margin-inline: auto; } .qn-nl-form .qn-subscribe__form { justify-content: center; } /* Contact */ .qn-contact { display: grid; gap: clamp(32px, 4vw, 72px); align-items: start; } @media (min-width: 900px) { .qn-contact { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); } } .qn-contact__panel { padding: clamp(24px, 3vw, 40px); border: 1px solid var(--qn-border); border-radius: var(--r-lg); background: var(--qn-surface); } .qn-contact__block + .qn-contact__block { margin-top: var(--s-6); padding-top: var(--s-6); border-top: 1px solid var(--qn-border); } .qn-contact__label { font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-faint); margin: 0 0 var(--s-2); } .qn-contact__value { font-size: var(--t-md); color: var(--qn-text); margin: 0; line-height: 1.7; } .qn-contact__value a { color: var(--qn-accent); word-break: break-word; } /* Feature/benefit tiles */ .qn-feature { display: flex; flex-direction: column; gap: var(--s-3); padding: clamp(22px, 2.6vw, 30px); border: 1px solid var(--qn-border); border-radius: var(--r-lg); background: var(--qn-card); } .qn-feature__icon { width: 42px; height: 42px; border-radius: var(--r-md); display: inline-flex; align-items: center; justify-content: center; background: var(--qn-accent-soft); color: var(--qn-accent); border: 1px solid color-mix(in srgb, var(--qn-accent) 24%, transparent); } .qn-feature__icon svg { width: 21px; height: 21px; } .qn-feature__title { font-family: var(--qn-display); font-size: var(--t-lg); font-weight: 600; letter-spacing: -.015em; color: var(--qn-heading); margin: 0; } .qn-feature__text { font-size: 0.9375rem; line-height: 1.7; color: var(--qn-muted); margin: 0; } /* ========================================================================== 14 Forms ========================================================================== */ .qn-form { display: flex; flex-direction: column; gap: var(--s-5); } .qn-form__row { display: grid; gap: var(--s-5); } @media (min-width: 620px) { .qn-form__row--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } } .qn-field { display: flex; flex-direction: column; gap: var(--s-2); } .qn-field > label { font-size: var(--t-sm); font-weight: 600; letter-spacing: .04em; color: var(--qn-muted); } .qn-field__hint { font-size: var(--t-sm); color: var(--qn-faint); margin: 0; } .qn-input, .qn-form input[type="text"], .qn-form input[type="email"], .qn-form input[type="url"], .qn-form select, .qn-form textarea, .qn-comment-form input[type="text"], .qn-comment-form input[type="email"], .qn-comment-form input[type="url"], .qn-comment-form textarea { width: 100%; min-height: 50px; padding: 13px 18px; border: 1px solid var(--qn-border); border-radius: var(--r-md); background: var(--qn-bg); color: var(--qn-text); font-family: var(--qn-body); font-size: var(--t-base); line-height: 1.6; transition: border-color var(--d-fast) var(--ease-soft), box-shadow var(--d-fast) var(--ease-soft); -webkit-appearance: none; appearance: none; } .qn-form textarea, .qn-comment-form textarea { min-height: 168px; resize: vertical; padding-top: var(--s-4); } .qn-form input::placeholder, .qn-form textarea::placeholder, .qn-comment-form input::placeholder, .qn-comment-form textarea::placeholder { color: var(--qn-faint); } .qn-form input:focus, .qn-form select:focus, .qn-form textarea:focus, .qn-comment-form input:focus, .qn-comment-form textarea:focus { outline: none; border-color: var(--qn-accent); box-shadow: 0 0 0 3px var(--qn-accent-soft); } .qn-form select { background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%); background-position: calc(100% - 20px) 22px, calc(100% - 14px) 22px; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; } .qn-form button[type="submit"] { align-self: flex-start; } .qn-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; } /* ========================================================================== 15 Comments ========================================================================== */ .qn-comments { margin-top: var(--s-9); padding-top: var(--s-7); border-top: 1px solid var(--qn-border); } .qn-comments__title { font-family: var(--qn-display); font-size: var(--t-2xl); font-weight: 600; letter-spacing: -.022em; color: var(--qn-heading); margin: 0 0 var(--s-7); } .qn-comments__closed { font-size: 0.9375rem; color: var(--qn-faint); margin: 0; } .qn-comments__list, .qn-comments__list .children { list-style: none; margin: 0; padding: 0; } .qn-comments__list .children { margin-top: var(--s-5); padding-left: clamp(16px, 4vw, 40px); border-left: 1px solid var(--qn-border); } .qn-comment + .qn-comment { margin-top: var(--s-5); padding-top: var(--s-5); border-top: 1px solid var(--qn-border-soft); } .qn-comment__body { max-width: 68ch; } .qn-comment__meta { display: flex; align-items: center; gap: var(--s-3); margin-bottom: var(--s-3); } .qn-comment__meta img, .qn-comment__meta .avatar { width: 40px; height: 40px; border-radius: 50%; flex: none; } .qn-comment__author { font-size: 0.9375rem; font-weight: 600; color: var(--qn-heading); margin: 0; display: flex; align-items: center; gap: var(--s-2); flex-wrap: wrap; } .qn-comment__author a { color: inherit; } .qn-comment__author a:hover { color: var(--qn-accent); } .qn-comment__badge { font-size: 10px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--qn-accent); background: var(--qn-accent-soft); border: 1px solid color-mix(in srgb, var(--qn-accent) 30%, transparent); padding: 2px 8px; border-radius: var(--r-pill); } .qn-comment__date { font-size: var(--t-sm); margin: 0; } .qn-comment__date a { color: var(--qn-faint); } .qn-comment__date a:hover { color: var(--qn-accent); } .qn-comment__pending { font-size: var(--t-sm); color: var(--qn-accent); margin: 0 0 var(--s-3); } .qn-comment__text { font-size: var(--t-base); line-height: 1.75; color: var(--qn-muted); } .qn-comment__text > * + * { margin-top: var(--s-3); } .qn-comment__text p { margin: 0; } .qn-comment__text a { color: var(--qn-accent); } .qn-comment__reply { margin: var(--s-3) 0 0; } .qn-comment__reply a { display: inline-flex; align-items: center; min-height: 36px; font-size: var(--t-sm); font-weight: 600; letter-spacing: .04em; color: var(--qn-accent); } .qn-comment-form { margin-top: var(--s-8); padding: clamp(24px, 3vw, 40px); border: 1px solid var(--qn-border); border-radius: var(--r-lg); background: var(--qn-surface); max-width: 720px; } .qn-comment-form__notes { font-size: 0.9375rem; line-height: 1.7; color: var(--qn-muted); margin: 0 0 var(--s-5); } .qn-comment-form__field { margin: 0 0 var(--s-4); } .qn-comment-form .form-submit { margin: var(--s-5) 0 0; } .qn-comment-form .comment-form-cookies-consent { display: flex; align-items: flex-start; gap: var(--s-3); font-size: 0.9375rem; line-height: 1.6; color: var(--qn-faint); margin: 0 0 var(--s-4); } .qn-comment-form .comment-form-cookies-consent input { width: 20px; height: 20px; flex: none; margin-top: 2px; accent-color: var(--qn-accent); cursor: pointer; } .qn-comment-form #cancel-comment-reply-link { font-size: var(--t-sm); font-weight: 600; color: var(--qn-accent); margin-left: var(--s-3); } .qn-comment-form .logged-in-as { font-size: 0.9375rem; color: var(--qn-faint); margin: 0 0 var(--s-5); } /* ========================================================================== 16 Footer ========================================================================== */ .qn-footer { position: relative; isolation: isolate; overflow: hidden; background: var(--qn-bg-deep); border-top: 1px solid var(--qn-border); margin-top: var(--section); } .qn-footer__top { display: grid; gap: clamp(40px, 5vw, 72px); padding-block: clamp(56px, 7vw, 96px); grid-template-columns: minmax(0, 1fr); } @media (min-width: 760px) { .qn-footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); } } @media (min-width: 1100px) { .qn-footer__top { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.3fr); } } .qn-footer__brand img { height: 32px; width: auto; } .qn-footer__tagline { font-size: 0.9375rem; line-height: 1.72; color: var(--qn-muted); margin: var(--s-4) 0 var(--s-5); max-width: 40ch; } .qn-footer__coltitle { font-size: var(--t-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--qn-faint); margin: 0 0 var(--s-5); } .qn-footer__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--s-3); } .qn-footer__list a { font-size: 0.9375rem; color: var(--qn-muted); display: inline-flex; align-items: center; gap: var(--s-2); } .qn-footer__list a:hover { color: var(--qn-accent); } .qn-footer__list .qn-card--compact .qn-card__title { font-size: 0.9375rem; } .qn-footer nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--s-3); } .qn-footer nav a { font-size: 0.9375rem; color: var(--qn-muted); } .qn-footer nav a:hover { color: var(--qn-accent); } .qn-footer__form { display: flex; gap: var(--s-2); flex-wrap: wrap; margin-top: var(--s-4); } .qn-footer__form input[type="email"] { flex: 1 1 180px; min-width: 0; min-height: 46px; padding: 12px 18px; border: 1px solid var(--qn-border); border-radius: var(--r-pill); background: var(--qn-bg); color: var(--qn-text); font-size: 0.9375rem; } .qn-footer__form input[type="email"]:focus { outline: none; border-color: var(--qn-accent); box-shadow: 0 0 0 3px var(--qn-accent-soft); } .qn-footer__bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-4) var(--s-6); padding-block: var(--s-6); border-top: 1px solid var(--qn-border); font-size: var(--t-sm); color: var(--qn-faint); } .qn-footer__bottom p { margin: 0; } .qn-footer nav ul.qn-footer__legal, .qn-footer__legal { display: flex; flex-direction: row; flex-wrap: wrap; gap: var(--s-2) var(--s-5); list-style: none; margin: 0; padding: 0; } .qn-footer__legal a { color: var(--qn-faint); } .qn-footer__legal a:hover { color: var(--qn-accent); } /* ========================================================================== 17 Motion Reveals are opt-in and only armed once JS confirms it is running, so a no-JS visitor never meets a permanently invisible section. ========================================================================== */ .qn-js .qn-reveal { opacity: 0; transform: translateY(14px); filter: blur(6px); will-change: opacity, transform, filter; } .qn-js .qn-reveal.is-in { opacity: 1; transform: none; filter: none; transition: opacity var(--d-slow) var(--ease-soft), transform var(--d-slow) var(--ease), filter var(--d-slow) var(--ease-soft); } .qn-js .qn-reveal:nth-child(2) { transition-delay: 60ms; } .qn-js .qn-reveal:nth-child(3) { transition-delay: 120ms; } .qn-js .qn-reveal:nth-child(4) { transition-delay: 180ms; } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; } .qn-js .qn-reveal { opacity: 1; transform: none; filter: none; } .qn-hero__canvas { display: none; } .qn-card:hover, .qn-topic:hover, .qn-postnav__item:hover, .qn-btn:hover { transform: none; } .qn-card:hover .qn-card__media img, .qn-hero__feature:hover .qn-hero__feature-media img { transform: none; } } /* ========================================================================== 18 Print ========================================================================== */ @media print { .qn-nav, .qn-drawer, .qn-search-panel, .qn-progress, .qn-share, .qn-toc, .qn-subscribe, .qn-inline-cta, .qn-related, .qn-postnav, .qn-comments, .qn-footer, .qn-skip-link, .qn-motif, .qn-hero__bg { display: none !important; } body { background: #fff; color: #000; } .qn-prose { max-width: none; font-size: 11pt; line-height: 1.6; color: #000; } .qn-article__title { font-size: 24pt; color: #000; } .qn-prose a { color: #000; background: none; text-decoration: underline; } .qn-prose a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8pt; color: #444; } .qn-prose pre, .qn-prose figure img { break-inside: avoid; } .qn-prose h2, .qn-prose h3 { break-after: avoid; } }