/* Clarity landing page + case study
   1. Design tokens (one set per comfort mode)
   2. Base, header, buttons (shared)
   3. Landing page: hero, features, NOOR Productions, FAQ
   4. Case study page
   5. Responsive rules and reduced motion */

:root {
  --font-ui: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-read: "Literata", Georgia, "Times New Roman", serif;
  --radius-lg: 28px;
  --radius-md: 16px;
  --maxw: 1120px;
  --gutter: clamp(18px, 4vw, 32px);
  --mark: url("assets/clarity-mark.png");
  --noor-logo: url("assets/noor-logo.webp");
  --wm-white: url("assets/clarity-wordmark-white.png");
  --wm-black: url("assets/clarity-wordmark-black.png");
}

[data-mode="dark"] {
  color-scheme: dark;
  --bg: #0d171b; --bg-glass: rgba(13, 23, 27, 0.8); --panel: #132127;
  --ink: #e7f0f1; --ink-2: #a9bcc0; --line: #27393f;
  --accent: #46d3b8; --accent-ink: #062018;
  --b1: #1fb8a0; --b2: #6a52d9; --b3: #2a7bd1; --blob-o: 0.2;
  --wordmark: var(--wm-white); --wm-w: 111px;
  --f-txt: #7db8ff; --f-md: #c4a8ff; --f-pdf: #ff8f80;
}
[data-mode="bright"] {
  color-scheme: light;
  --bg: #f4f8f8; --bg-glass: rgba(244, 248, 248, 0.82); --panel: #ffffff;
  --ink: #0e1a1e; --ink-2: #435559; --line: #d3e0e2;
  --accent: #0b7a69; --accent-ink: #ffffff;
  --b1: #bff0e4; --b2: #e3d9ff; --b3: #ffe2cf; --blob-o: 0.75;
  --wordmark: var(--wm-black); --wm-w: 121px;
  --f-txt: #1b5cb3; --f-md: #6a3dc2; --f-pdf: #b8321f;
}
[data-mode="eye"] {
  color-scheme: light;
  --bg: #efe3c8; --bg-glass: rgba(239, 227, 200, 0.84); --panel: #f6edd8;
  --ink: #33291c; --ink-2: #5a4d37; --line: #d6c7a4;
  --accent: #2b6f62; --accent-ink: #fbf6ea;
  --b1: #f0c36d; --b2: #b9cf9a; --b3: #e8a98a; --blob-o: 0.4;
  --wordmark: var(--wm-black); --wm-w: 121px;
  --f-txt: #1c5a99; --f-md: #6d3fa3; --f-pdf: #a8341f;
}

/* Eye care on larger screens: a warmer, all-amber palette (phones keep the base look above) */
@media (min-width: 861px) {
  [data-mode="eye"] {
    --bg: #f0dfb8; --bg-glass: rgba(240, 223, 184, 0.86); --panel: #f8ecd0;
    --ink-2: #55472d; --line: #d9c391;
    --b1: #f3b658; --b2: #f1cf86; --b3: #e8a06c; --blob-o: 0.55;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font-ui); font-size: 1.0625rem; line-height: 1.6;
  color: var(--ink); background: var(--bg);
  transition: background-color 0.5s ease, color 0.5s ease;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-read); font-weight: 600; margin: 0; text-wrap: balance; }
p { margin: 0; }
a { color: inherit; text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--accent); color: var(--accent-ink); padding: 0.7rem 1rem; border-radius: 999px; text-decoration: none; font-weight: 700; }
.skip:focus { top: 12px; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }

/* Backdrop mood per mode */
.ambient { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: var(--blob-o); transition: background-color 0.8s ease, opacity 0.8s ease; animation: drift 26s ease-in-out infinite alternate; }
.blob.b1 { width: 46vmax; height: 46vmax; left: -12vmax; top: -14vmax; background: var(--b1); }
.blob.b2 { width: 40vmax; height: 40vmax; right: -10vmax; top: 12vh; background: var(--b2); animation-duration: 32s; animation-delay: -8s; }
.blob.b3 { width: 36vmax; height: 36vmax; left: 25vw; bottom: -20vmax; background: var(--b3); animation-duration: 38s; animation-delay: -14s; }
@keyframes drift { to { transform: translate3d(6vmax, 4vmax, 0) scale(1.12); } }

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: var(--bg-glass); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); transition: background-color 0.5s ease, border-color 0.5s ease; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-read); font-weight: 700; font-size: 1.35rem; letter-spacing: -0.01em; text-decoration: none; min-height: 44px; }
.brand-wordmark { display: block; width: var(--wm-w); height: 32px; background: var(--wordmark) left center / contain no-repeat; flex: none; }
.brand-mark { display: none; width: 32px; height: 32px; background: var(--mark) center / contain no-repeat; flex: none; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px; border-radius: 999px; text-decoration: none; white-space: nowrap; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="true"], .nav a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -3px 0 var(--accent); border-radius: 0; }
.bar-end { display: flex; align-items: center; gap: 12px; }

.mode-switch { position: relative; display: inline-flex; padding: 3px; gap: 2px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); transition: background-color 0.5s ease, border-color 0.5s ease; }
.mode-pill { position: absolute; top: 3px; left: 0; width: 0; height: calc(100% - 6px); border-radius: 999px; background: var(--accent); pointer-events: none; transition: transform 0.4s cubic-bezier(0.65, 0, 0.35, 1), width 0.4s cubic-bezier(0.65, 0, 0.35, 1), background-color 0.5s ease; }
.mode-switch button { position: relative; z-index: 1; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; font: inherit; font-size: 0.9rem; white-space: nowrap; color: var(--ink-2); background: transparent; border: 0; border-radius: 999px; padding: 0 0.9rem; min-height: 40px; cursor: pointer; transition: color 0.3s ease; }
.mode-switch button::after { content: attr(data-label); display: block; height: 0; overflow: hidden; visibility: hidden; font-weight: 700; }
.mode-switch button[aria-checked="true"] { color: var(--accent-ink); font-weight: 700; }

/* Smooth mode change: a circle of the new mode grows out from the control that was clicked */
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 2; }
/* Fallback for browsers without view transitions: fade every colour */
.mode-fading, .mode-fading *, .mode-fading *::before, .mode-fading *::after { transition: background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease, fill 0.6s ease !important; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; min-height: 48px; padding: 0 1.5rem; border-radius: 999px; border: 1px solid transparent; white-space: nowrap; transition: transform 0.15s ease, background-color 0.3s ease; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost { border-color: var(--ink-2); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--panel); }
.btn-soft { background: var(--panel); border-color: var(--accent); color: var(--ink); }
.btn-soft:hover { transform: translateY(-1px); }
.btn-sm { min-height: 44px; padding: 0 1.1rem; font-size: 0.95rem; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 6vw, 72px); align-items: center; padding: clamp(40px, 8vw, 96px) 0 clamp(48px, 7vw, 80px); }
.hero h1 { font-size: clamp(2.5rem, 6.2vw, 4.3rem); line-height: 1.04; letter-spacing: -0.025em; }
.lede { margin-top: 22px; font-size: 1.2rem; color: var(--ink-2); max-width: 34em; }
.actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero .actions { gap: 10px 12px; align-items: center; }
.hero .actions .btn-ghost { border-color: transparent; padding: 0 0.6rem; text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.hero .actions .btn-ghost:hover { background: transparent; text-decoration-thickness: 2px; }
.byline { margin-top: 28px; display: inline-flex; align-items: center; gap: 12px; padding: 6px 16px 6px 6px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); text-decoration: none; font-size: 0.95rem; color: var(--ink-2); transition: background-color 0.5s ease, border-color 0.5s ease; }
.byline:hover { color: var(--ink); }
.byline .logo { width: 36px; height: 36px; border-radius: 50%; background: var(--noor-logo) center / cover no-repeat; flex: none; }
.byline strong { color: var(--ink); }

.sheet { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: background-color 0.5s ease, border-color 0.5s ease; }
.sheet-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.listen { display: inline-flex; align-items: center; gap: 0.5rem; font: inherit; font-weight: 700; font-size: 0.95rem; color: var(--ink); background: transparent; border: 1px solid var(--ink-2); border-radius: 999px; min-height: 44px; padding: 0 1.1rem 0 0.9rem; cursor: pointer; }
.listen[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.listen svg { width: 16px; height: 16px; fill: currentColor; }
.sheet-body { padding: clamp(22px, 4vw, 40px); }
.sheet-title { font-family: var(--font-read); font-weight: 600; font-size: 1.6rem; letter-spacing: -0.01em; margin-bottom: 14px; }
.sheet-body p { font-family: var(--font-read); font-size: 1.15rem; line-height: 1.8; max-width: 34em; }

.eq { display: flex; align-items: flex-end; gap: 4px; height: 24px; }
.eq i { display: block; flex: 1; min-width: 3px; height: var(--h, 40%); background: var(--accent); border-radius: 3px; transform-origin: bottom; transition: background-color 0.5s ease; }
.eq-sm { width: 40px; }
.eq-lg { height: 72px; }
.is-speaking .eq i { animation: bar 0.9s ease-in-out infinite alternate; animation-delay: var(--d, 0s); }
@keyframes bar { from { transform: scaleY(0.22); } to { transform: scaleY(1); } }

/* Sections */
section { scroll-margin-top: 84px; }
.section-head { max-width: 40rem; margin-bottom: 36px; }
.section-head h2, .noor h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); line-height: 1.1; letter-spacing: -0.02em; }
.section-head p { margin-top: 12px; color: var(--ink-2); }

/* Features */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.tile { display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-md); padding: clamp(20px, 3vw, 30px); transition: background-color 0.5s ease, border-color 0.5s ease; }
.tile h3 { font-size: 1.35rem; letter-spacing: -0.01em; margin-bottom: 10px; }
.tile p { color: var(--ink-2); max-width: 36em; }
.tile-modes { grid-column: span 4; border-radius: var(--radius-lg); }
.tile-listen { grid-column: span 2; border-radius: var(--radius-lg); }
.tile-write, .tile-export { grid-column: span 3; }
.tile-offline { grid-column: span 6; flex-direction: row; align-items: center; justify-content: space-between; gap: 32px; }

.swatches { display: flex; flex-wrap: wrap; gap: 16px; margin-top: auto; padding-top: 26px; }
.swatch { font: inherit; color: var(--ink); background: none; border: 0; padding: 0; cursor: pointer; text-align: left; }
.mini { position: relative; display: block; width: 184px; height: 132px; padding: 18px; border-radius: 14px; border: 2px solid var(--line); background: radial-gradient(circle at 90% 10%, var(--sglow), transparent 58%), var(--sbg); transition: transform 0.2s ease, border-color 0.2s ease; }
.swatch:hover .mini { transform: translateY(-2px); }
.mini b { display: block; height: 6px; border-radius: 3px; background: var(--sink); opacity: 0.85; margin-bottom: 8px; }
.mini b:nth-child(1) { width: 52%; height: 9px; opacity: 1; margin-bottom: 18px; }
.mini b:nth-child(3) { width: 82%; opacity: 0.55; }
.mini b:nth-child(4) { width: 64%; opacity: 0.55; }
.mini em { position: absolute; right: 18px; bottom: 18px; width: 18px; height: 18px; border-radius: 50%; background: var(--sac); }
.swatch .name { display: block; margin-top: 10px; font-size: 0.95rem; }
.swatch[aria-pressed="true"] .mini { border-color: var(--accent); }
.swatch[aria-pressed="true"] .name { font-weight: 700; }
.sw-dark { --sbg: #0d171b; --sink: #e7f0f1; --sac: #46d3b8; --sglow: rgba(31, 184, 160, 0.4); }
.sw-bright { --sbg: #f4f8f8; --sink: #0e1a1e; --sac: #0b7a69; --sglow: rgba(150, 226, 208, 0.9); }
.sw-eye { --sbg: #efe3c8; --sink: #33291c; --sac: #2b6f62; --sglow: rgba(235, 176, 80, 0.55); }

.chips { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: 0.95rem; padding: 0.3rem 0.8rem; border: 1px solid var(--line); border-radius: 999px; background: var(--bg); transition: background-color 0.5s ease, border-color 0.5s ease; }
.tile-listen .note { margin-top: 14px; font-size: 0.95rem; color: var(--ink-2); }
.tile-listen .eq-lg { margin-top: auto; padding-top: 24px; box-sizing: content-box; }

.editor { margin-top: auto; padding-top: 22px; }
.editor-frame { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--bg); transition: background-color 0.5s ease, border-color 0.5s ease; }
.tabs { display: flex; gap: 4px; padding: 6px; border-bottom: 1px solid var(--line); }

.tabs button { font: inherit; font-size: 0.9rem; min-height: 40px; padding: 0 0.95rem; border: 0; border-radius: 999px; background: transparent; color: var(--ink-2); cursor: pointer; transition: background-color 0.3s ease, color 0.3s ease; }
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); font-weight: 700; }
.md-panel { min-height: 168px; }
.md-panel[hidden] { display: none; }
#md-input { display: block; width: 100%; min-height: 112px; resize: none; border: 0; background: transparent; color: var(--ink); padding: 14px 14px 6px; font: 16px/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
#md-input:focus-visible { outline-offset: -3px; }
.md-meta { display: flex; justify-content: space-between; gap: 12px; padding: 4px 14px 12px; font-size: 0.85rem; color: var(--ink-2); }
.md-meta p { margin: 0; }
#md-count { white-space: nowrap; font-variant-numeric: tabular-nums; }
.md-out { padding: 14px; font-family: var(--font-read); font-size: 1rem; line-height: 1.6; overflow-wrap: anywhere; }
.md-out > :first-child { margin-top: 0; }
.md-out h1, .md-out h2, .md-out h3 { font-family: var(--font-read); line-height: 1.25; margin: 0.6em 0 0.3em; }
.md-out h1 { font-size: 1.4rem; } .md-out h2 { font-size: 1.2rem; } .md-out h3 { font-size: 1.05rem; }
.md-out p { margin: 0.5em 0; color: var(--ink); max-width: none; }
.md-out ul, .md-out ol { margin: 0.4em 0; padding-left: 1.3rem; }
.md-out blockquote { margin: 0.5em 0; padding-left: 12px; border-left: 3px solid var(--accent); color: var(--ink-2); }
.md-out code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; padding: 1px 5px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); }
.md-out hr { border: 0; border-top: 1px solid var(--line); margin: 0.8em 0; }
.md-out .empty { color: var(--ink-2); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.files { display: flex; gap: 18px; margin-top: auto; padding-top: 24px; }
.file { --fc: var(--ink-2); position: relative; width: 66px; height: 84px; display: grid; place-items: center; border: 2px solid var(--fc); border-radius: 8px; background: var(--bg); background: color-mix(in srgb, var(--fc) 12%, var(--bg)); color: var(--fc); font-weight: 700; font-size: 0.95rem; transition: background-color 0.5s ease, border-color 0.5s ease, color 0.5s ease; }
.file::after { content: ""; position: absolute; top: -2px; right: -2px; width: 20px; height: 20px; background: linear-gradient(225deg, var(--panel) 50%, var(--fc) 50%); border-bottom-left-radius: 6px; }
.file.txt { --fc: var(--f-txt); }
.file.md { --fc: var(--f-md); }
.file.pdf { --fc: var(--f-pdf); }

.phone { flex: none; width: 196px; padding: 26px 16px 22px; border: 2px solid var(--ink-2); border-radius: 30px; background: #0d171b; color: #e7f0f1; display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; transition: background-color 0.5s ease; }
.phone .mk { width: 64px; height: 64px; background: var(--mark) center / contain no-repeat; }
.phone .nm { font-family: var(--font-read); font-weight: 700; font-size: 1.15rem; }
.phone .st { white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; padding: 0.25rem 0.7rem; border-radius: 999px; background: #46d3b8; color: #062018; font-weight: 700; }
.phone .st svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

/* Full feature list */
.all-features { margin-top: clamp(64px, 9vw, 112px); }
.jump .chips { margin: 0 0 clamp(28px, 4vw, 44px); }
.jump .chips li { padding: 0; }
.jump .chips a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.95rem; border-radius: 999px; text-decoration: none; color: var(--ink-2); }
.jump .chips li:hover { background: var(--panel); }
.jump .chips a:hover { color: var(--ink); }
.cat { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(20px, 5vw, 64px); padding: clamp(24px, 4vw, 44px) 0; border-top: 1px solid var(--line); scroll-margin-top: 84px; }
.cat h3 { font-size: clamp(1.3rem, 2.4vw, 1.75rem); line-height: 1.15; letter-spacing: -0.015em; }
.feat { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr)); gap: 22px clamp(24px, 4vw, 44px); }
.feat li { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.feat b { font-family: var(--font-read); font-weight: 600; font-size: 1.05rem; }
.feat span { color: var(--ink-2); font-size: 0.98rem; line-height: 1.55; }
.feat kbd { display: inline-block; font: 0.85rem/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 0.1rem 0.45rem; margin-right: 2px; }

/* NOOR Productions */
.noor { margin-top: clamp(72px, 10vw, 128px); }
.noor-panel { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 5vw, 64px); padding: clamp(24px, 5vw, 56px); border: 1px solid var(--accent); border-radius: var(--radius-lg); background: var(--panel); transition: background-color 0.5s ease; }
.noor-panel::before { content: ""; position: absolute; left: -12%; top: -30%; width: 62%; aspect-ratio: 1; background: radial-gradient(circle, var(--b1), transparent 66%); opacity: 0.3; pointer-events: none; }
.noor-panel > * { position: relative; }
.noor-logo { width: 96px; height: 96px; border-radius: 50%; background: var(--noor-logo) center / cover no-repeat; margin-bottom: 24px; }
.noor-intro p { margin-top: 16px; color: var(--ink-2); }
.noor-intro .actions { margin-top: 28px; }
.noor-intro .case-link { margin-top: 18px; }
.noor-intro .case-link a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; color: var(--ink); }
.proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 0 0 8px; padding: 0 0 28px; border-bottom: 1px solid var(--line); }
.proof div { min-width: 0; }
.proof dt { font-family: var(--font-read); font-weight: 600; font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1; letter-spacing: -0.03em; color: var(--accent); }
.proof dd { margin: 8px 0 0; color: var(--ink-2); font-size: 0.95rem; }
.noor-points { margin: 0; padding: 0; list-style: none; }
.noor-points li { padding: 20px 0; border-bottom: 1px solid var(--line); }
.noor-points li:last-child { border-bottom: 0; padding-bottom: 0; }
.noor-points h3 { font-size: 1.2rem; margin-bottom: 6px; }
.noor-points p { color: var(--ink-2); max-width: 36em; }
.points-title { font-size: 0.95rem; color: var(--ink-2); margin: 22px 0 0; }

/* FAQ */
.faq { margin-top: clamp(72px, 10vw, 128px); }
.faq-list { max-width: 46rem; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; padding: 12px 0; cursor: pointer; font-family: var(--font-read); font-weight: 600; font-size: 1.15rem; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover .faq-icon { border-color: var(--accent); }
.faq summary:focus-visible { outline-offset: 4px; border-radius: 12px; }
.faq-q { transition: color 0.3s ease; }
.faq summary:hover .faq-q { color: var(--accent); }

/* The plus turns into a minus: the upright bar rotates onto the flat one while the circle fills */
.faq-icon { position: relative; flex: none; width: 34px; height: 34px; border: 1px solid var(--ink-2); border-radius: 50%; transition: background-color 0.35s ease, border-color 0.35s ease, transform 0.5s cubic-bezier(0.65, 0, 0.35, 1); }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; margin: -1px 0 0 -6px; border-radius: 2px; background: var(--ink); transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1), background-color 0.35s ease; }
.faq-icon::after { transform: rotate(90deg); }
.faq details[data-state="open"] .faq-icon, .faq details:not([data-state])[open] .faq-icon { background: var(--accent); border-color: var(--accent); transform: rotate(180deg); }
.faq details[data-state="open"] .faq-icon::before, .faq details[data-state="open"] .faq-icon::after,
.faq details:not([data-state])[open] .faq-icon::before, .faq details:not([data-state])[open] .faq-icon::after { background: var(--accent-ink); }
.faq details[data-state="open"] .faq-icon::after, .faq details:not([data-state])[open] .faq-icon::after { transform: rotate(0deg); }
.faq-body { overflow: hidden; }
.faq details p { padding: 0 48px 20px 0; color: var(--ink-2); max-width: 38em; }

footer { margin-top: clamp(64px, 9vw, 112px); border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--ink-2); font-size: 0.95rem; }
footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
footer .who { display: inline-flex; align-items: center; gap: 10px; }
footer .who i { width: 28px; height: 28px; border-radius: 50%; background: var(--noor-logo) center / cover no-repeat; }
footer a { display: inline-flex; align-items: center; min-height: 44px; }

/* Case study */
.crumbs { padding-top: 28px; font-size: 0.95rem; color: var(--ink-2); }
.crumbs a { display: inline-flex; align-items: center; min-height: 44px; }
.intro { padding: clamp(12px, 3vw, 28px) 0 clamp(40px, 6vw, 72px); max-width: 50rem; }
.intro h1 { font-size: clamp(2.4rem, 6vw, 4.1rem); line-height: 1.05; letter-spacing: -0.025em; }
.intro .lede { margin-top: 22px; font-size: 1.25rem; color: var(--ink-2); max-width: 36em; }

.glance { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 3vw, 40px); margin: 0 0 clamp(48px, 7vw, 88px); padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.glance dt { font-size: 0.95rem; color: var(--ink-2); }
.glance dd { margin: 6px 0 0; font-family: var(--font-read); font-weight: 600; font-size: 1.15rem; line-height: 1.35; }

.story { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }
.block { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(20px, 5vw, 64px); padding: clamp(28px, 5vw, 56px) 0; border-top: 1px solid var(--line); }
.block h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); line-height: 1.15; letter-spacing: -0.015em; }
.prose { max-width: 40rem; }
.prose p { font-size: 1.1rem; line-height: 1.8; color: var(--ink); }
.prose p + p { margin-top: 1.1em; }
.prose strong { font-weight: 700; }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 28px 0 0; }
.compare figure { margin: 0; }
.compare .shot { padding: 20px; border-radius: var(--radius-md); font-family: var(--font-read); font-size: 1.05rem; line-height: 1.7; border: 1px solid var(--line); min-height: 150px; }
.shot.before { background: #eceff1; color: #aeb6bb; border-color: #dfe3e6; }
.shot.after { background: #0d171b; color: #e7f0f1; border-color: #27393f; }
.compare figcaption { margin-top: 8px; font-size: 0.9rem; color: var(--ink-2); }
.prose .compare-note { margin-top: 10px; font-size: 0.9rem; line-height: 1.5; color: var(--ink-2); }

.facts { list-style: none; margin: 0; padding: 0; }
.facts li { padding: 14px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr); gap: 16px; }
.facts li:first-child { padding-top: 0; }
.facts li:last-child { border-bottom: 0; padding-bottom: 0; }
.facts b { font-family: var(--font-read); font-weight: 600; }
.facts span { color: var(--ink-2); }

.fix + .fix { margin-top: 36px; padding-top: 36px; border-top: 1px dashed var(--line); }
.fix h3 { font-size: 1.3rem; margin-bottom: 12px; letter-spacing: -0.01em; }
.fix p strong { color: var(--accent); }

.cta { margin: clamp(64px, 9vw, 112px) 0 0; position: relative; overflow: hidden; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(20px, 4vw, 40px); align-items: center; padding: clamp(24px, 5vw, 48px); border: 1px solid var(--accent); border-radius: var(--radius-lg); background: var(--panel); transition: background-color 0.5s ease; }
.cta::before { content: ""; position: absolute; left: -10%; top: -60%; width: 55%; aspect-ratio: 1; background: radial-gradient(circle, var(--b1), transparent 66%); opacity: 0.3; pointer-events: none; }
.cta > * { position: relative; }
.cta .actions { margin-top: 28px; }
.cta .logo { width: 88px; height: 88px; border-radius: 50%; background: var(--noor-logo) center / cover no-repeat; }
.cta h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); line-height: 1.12; letter-spacing: -0.02em; }
.cta p { margin-top: 12px; color: var(--ink-2); max-width: 38em; }

footer { margin-top: clamp(64px, 9vw, 112px); border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--ink-2); font-size: 0.95rem; }
footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
footer .who { display: inline-flex; align-items: center; gap: 10px; }
footer .who i { width: 28px; height: 28px; border-radius: 50%; background: var(--noor-logo) center / cover no-repeat; }
footer a { display: inline-flex; align-items: center; min-height: 44px; }

@media (max-width: 960px) {
  .hero, .noor-panel { grid-template-columns: 1fr; }
  .tile-modes, .tile-listen, .tile-write, .tile-export, .tile-offline { grid-column: span 6; }
  .tile-offline { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 1090px) {
  .bar-end .btn { display: none; }
}
@media (max-width: 920px) {
  .nav { display: none; }
}
@media (max-width: 480px) {
  .mode-switch button { padding: 0 0.7rem; font-size: 0.85rem; }
  .proof { grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
  .faq details p { padding-right: 0; }
}
@media (max-width: 400px) {
  /* Show only the mark portion of the wordmark, so it stays high-contrast in every mode */
  .brand-wordmark { width: 33px; background-size: auto 32px; }
}
@media (max-width: 860px) {
  .cat { grid-template-columns: 1fr; gap: 18px; }
  .block { grid-template-columns: 1fr; gap: 16px; }
  .glance { grid-template-columns: 1fr; }
  .cta { grid-template-columns: 1fr; }
  .facts li { grid-template-columns: 1fr; gap: 2px; }
}
@media (max-width: 520px) {
  .compare { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}