/* site.css — imval.net, built from docs/design/landing-page-mockup.html (the workshop) on 2026-10-28.
 * The three families are served from the site itself (OFL licences beside the files in fonts/). */

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@font-face {
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@font-face {
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@font-face {
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@font-face {
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@font-face {
  font-family: "JetBrains Mono";
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  font-display: swap;
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  font-display: swap;
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/* Tokens: design-system v3 (source-materials/01-brand). Every colour lives here once. */
:root {
  --bg: #0B1411;
  --bg-soft: #0D1814;
  --card: #111D19;
  --edge-dark: #0A1310;
  --border: #1A2E27;
  --border-strong: #1F3A30;
  --text: #F1F7F5;
  --text-soft: #94A8A1;
  --text-muted: #6B827A;
  --brand: #0D5740;
  --brand-hover: #0F6A4E;
  --pine: #0E2B22;
  --bone: #F4F1EA;
  --logo-bg: var(--brand);   /* the logo pack's emerald square (N1); the switch below the page tries the hero line's green */
  --mint: #1F9D7A;
  --mint-soft: #4FC3A1;
  --profit: #10B981;
  --loss: #EF4444;
  --backdrop: rgba(0, 0, 0, .6);
  --ff-ar: 'IBM Plex Sans Arabic', 'Inter', sans-serif;
  --ff-en: 'Inter', system-ui, sans-serif;
  --ff-num: 'JetBrains Mono', ui-monospace, monospace;
  --maxw: 1120px;
  --nav-h: 64px;
  --r: 10px;
  --edge-brand: #0A1310;     /* the sides of the scene's lid and base: the brand's own dark, in both themes */
  --danger-text: var(--loss); /* the form's errors; a darker red on the light ground, where --loss reads at 3.3:1 */
  --tile-ink: #4FC3A1;       /* the promise icons on their pine tile: a brand element, the same in both themes */
  color-scheme: dark;
}
/* The light theme (decision 8′): the logo's warm bone as the ground. The brand's colours (--brand, --pine, --bone,
   --logo-bg) and the figures' (--profit, --loss) are not redefined; every text here reads at 4.5:1 or more on --bg-soft. */
:root[data-theme="light"] {
  --bg: #F4F1EA;
  --bg-soft: #EEEADF;
  --card: #FBFAF6;
  --edge-dark: #E4DED1;
  --border: #E4DED1;
  --border-strong: #D9D2C3;
  --text: #0E2B22;
  --text-soft: #4A5249;
  --text-muted: #5F655A;
  --mint: #16745A;
  --mint-soft: #0F6A4E;
  --backdrop: rgba(14, 43, 34, .28);
  --danger-text: #C0392B;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--ff-ar); line-height: 1.7; -webkit-font-smoothing: antialiased; }
html[lang="en"] body { font-family: var(--ff-en); }
a { color: inherit; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
.num { font-family: var(--ff-num); direction: ltr; unicode-bidi: isolate; }
.eyebrow { color: var(--mint); font-size: 13px; margin: 0 0 6px; }
.h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 600; line-height: 1.4; margin: 0 0 10px; }
.lede { color: var(--text-soft); font-size: 16px; margin: 0 auto 28px; max-width: 620px; }
.center { text-align: center; }
section { padding: 88px 0; }
.hero { position: relative; overflow: hidden; }
.made-in { display: inline-flex; align-items: center; gap: 8px; color: var(--text-muted); }
.made-in .motif, .made-in .heart { color: var(--text-muted); opacity: .9; }

#scene, #waitlist { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 8px; padding: 10px 18px; font: inherit; font-size: 15px; text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: background .2s, border-color .2s; }
.btn-primary { background: var(--brand); color: var(--bone); }
.btn-primary:hover { background: var(--brand-hover); }
.btn-quiet { border-color: var(--border-strong); color: var(--text-soft); background: transparent; }
.btn-quiet:hover { border-color: var(--brand); color: var(--text); }
.btn-sm { padding: 7px 12px; font-size: 13px; }
:focus-visible { outline: 2px solid var(--mint-soft); outline-offset: 2px; }

/* 1 · Top bar */
.nav { position: sticky; top: 0; z-index: 20; height: var(--nav-h); background: var(--bg); border-bottom: 1px solid transparent; transition: border-color .3s; }
.nav.scrolled { border-bottom-color: var(--border); }
.nav .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; direction: ltr; }
.wordmark { font-family: var(--ff-en); font-weight: 700; letter-spacing: .06em; font-size: 17px; }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.lang { font-family: var(--ff-en); font-size: 12px; color: var(--text-soft); background: transparent; border: 1px solid var(--border); border-radius: 6px; padding: 6px 9px; cursor: pointer; }
html[lang="en"] .lang { font-family: var(--ff-ar); }
.lang { height: 30px; display: inline-flex; align-items: center; }
.theme { justify-content: center; padding: 0 7px; }
.theme svg { width: 16px; height: 16px; display: block; }

/* 2 · Hero */
.hero { padding: 104px 0 72px; text-align: center; }
.hero h1 { font-size: clamp(30px, 5.4vw, 56px); font-weight: 600; line-height: 1.3; margin: 0 0 18px; }
.hero h1 span { display: block; }
.hero h1 span + span { color: var(--mint-soft); }
.hero .lede { font-size: 18px; }
.hero-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.guard { color: var(--text-muted); font-size: 13px; margin: 18px 0 0; }

/* 3 · The scene */
.scene { padding: 0; }
.scene-track { position: relative; height: 260vh; }
.scene-sticky { position: sticky; top: var(--nav-h); height: calc(100vh - var(--nav-h)); display: flex; flex-direction: column; justify-content: center; }
.scene-sticky > .wrap { width: 100%; }
.scene-head { text-align: center; }
.scene-head .h2 { transition: opacity .3s; }
.scene-svg { width: 100%; max-width: 900px; margin: 8px auto 0; display: block; direction: ltr; }
.scene-svg text { font-family: var(--ff-ar); }
html[lang="en"] .scene-svg text { font-family: var(--ff-en); }
.chips { display: none; flex-wrap: wrap; gap: 6px; justify-content: center; margin: 8px 0; max-height: 140px; overflow: hidden; transition: max-height .4s ease, margin .4s ease; }
/* once faded out, the chips give their room back, so the open stack and its list stay inside the scene's band on a short phone */
.chips.folded { max-height: 0; margin: 0; }
.chip { font-size: 12px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-soft); }
.chip.out { border-color: var(--brand); color: var(--text); }
.layer-list { display: none; list-style: none; margin: 10px auto 0; padding: 0; max-width: 360px; transition: opacity .3s; }
.layer-list li { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; padding: 5px 0; border-bottom: 1px solid var(--border); }
.layer-list li span:last-child { color: var(--text-muted); font-size: 12px; }
.scene.still .scene-track { height: auto; }
.scene.still .scene-sticky { position: static; height: auto; padding: 72px 0; }

/* 5 · Trust */
.promises { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.promise { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 18px 16px; }
.promise .ic { width: 36px; height: 36px; border-radius: 8px; background: var(--pine); border: 1px solid var(--brand); display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.promise b { display: block; font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.promise p { margin: 0; font-size: 14px; color: var(--text-soft); }
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* 6 · Waitlist */
.wait-box { max-width: 460px; margin: 0 auto; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 26px 22px; }
.field-label { display: block; font-size: 14px; color: var(--text-soft); margin: 0 0 6px; }
.field { width: 100%; direction: ltr; text-align: left; background: var(--bg); border: 1px solid var(--border-strong); border-radius: 8px; color: var(--text); padding: 11px 12px; font-family: var(--ff-num); font-size: 14px; }
.field:focus { outline: none; border-color: var(--brand); }
.field.bad { border-color: var(--danger-text); }
.err { color: var(--danger-text); font-size: 13px; min-height: 20px; margin: 4px 0 6px; }
.consent { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--text-soft); }
.consent input { margin-top: 5px; accent-color: var(--brand); width: 16px; height: 16px; }
.linkish { background: none; border: 0; padding: 0; font: inherit; color: var(--mint-soft); text-decoration: underline; cursor: pointer; }
.wait-box .btn { width: 100%; margin-top: 6px; padding: 12px; }
.wait-box .btn[disabled] { opacity: .7; cursor: default; }
.form-note { font-size: 13px; color: var(--text-muted); text-align: center; margin: 12px 0 0; }
.invite { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); text-align: center; font-size: 14px; color: var(--text-soft); }
.invite a { color: var(--mint-soft); text-decoration: none; }
.done { text-align: center; padding: 10px 0; }
.done b { display: block; font-size: 20px; font-weight: 600; margin-bottom: 4px; }
.done p { margin: 0; color: var(--text-soft); }
/* The honeypot hides without an offset: a negative left would widen a right-to-left page. */
.hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* 7 · Questions */
.faq { max-width: 600px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--border); padding: 14px 2px; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary i { font-style: normal; color: var(--text-muted); transition: transform .3s; }
.faq details[open] summary i { transform: rotate(45deg); color: var(--mint-soft); }
.faq details p { margin: 10px 0 2px; font-size: 17px; font-weight: 500; }

/* 8 · Footer */
footer { border-top: 1px solid var(--border); padding: 28px 0 0; }
.foot-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; padding-bottom: 20px; }
/* the footer's logo is an inline box, so it sits in the start corner (right in Arabic) above its tagline */
.foot-top .brand { display: inline-flex; }
.foot-tag { font-size: 13px; color: var(--text-muted); margin: 8px 0 0; }
.foot-links { display: flex; gap: 18px; font-size: 14px; }
.foot-links a, .foot-links button { color: var(--text-soft); text-decoration: none; background: none; border: 0; font: inherit; cursor: pointer; padding: 0; }
.foot-legal { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
/* the seal's frame matches its page's light scheme: a mismatch with the dark page would paint the frame opaque white */
.sbc-seal-frame { color-scheme: light; }
.foot-bottom { border-top: 1px solid var(--border); padding: 12px 0 18px; display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13px; color: var(--text-muted); }

/* The notice window */
dialog { background: var(--card); color: var(--text); border: 1px solid var(--border-strong); border-radius: 14px; padding: 0; width: min(640px, calc(100vw - 32px)); max-height: 82vh; }
dialog::backdrop { background: var(--backdrop); }
.dlg-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--card); }
.dlg-head h3 { margin: 0; font-size: 17px; font-weight: 600; }
.dlg-body { padding: 6px 18px 20px; font-size: 14px; color: var(--text-soft); }
.dlg-body h4 { color: var(--text); font-size: 15px; font-weight: 600; margin: 16px 0 6px; }
.dlg-body ul { margin: 0; padding-inline-start: 20px; }

/* Phone */
@media (max-width: 640px) {
  section { padding: 64px 0; }
  .hero { padding: 72px 0 48px; }
  .nav .btn-quiet { display: none; }
  .scene-svg .svgl { display: none; }
  .chips, .layer-list { display: flex; }
  .layer-list { display: block; }
  .scene-track { height: 220vh; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}