/* ==========================================================================
   Zimzam — landing page. Dark / OLED, playful-premium.
   Self-hosted fonts (no CDN calls). Cyan + gold + coral on black.
   ========================================================================== */

@font-face {
  font-family: "Bricolage";
  src: url("./assets/bricolage.woff2") format("woff2");
  font-weight: 200 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Hanken";
  src: url("./assets/hanken.woff2") format("woff2");
  font-weight: 300 800; font-style: normal; font-display: swap;
}

:root {
  --bg: #000000;
  --surface: #0c0f12;
  --surface-2: #12161b;
  --ink: #e8ebee;
  --muted: #8b939d;
  --cyan: #6dddff;
  --cyan-deep: #00b8e6;
  --gold: #ffd54f;
  --gold-deep: #ffb74d;
  --coral: #ff7a6b;
  --line: rgba(255, 255, 255, 0.10);
  --line-soft: rgba(255, 255, 255, 0.055);
  --wrap: 1120px;
  --pad: clamp(20px, 5vw, 56px);
  --r: 16px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hanken", ui-sans-serif, system-ui, sans-serif;
  font-size: 17px; line-height: 1.6;
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: "Bricolage", "Hanken", sans-serif; font-weight: 700; letter-spacing: -0.03em; line-height: 1.02; margin: 0; }
em { font-style: normal; color: var(--gold); }
::selection { background: var(--cyan); color: #001018; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }
.hl { color: var(--gold); }
.eyebrow {
  font: 600 12.5px/1 "Hanken", sans-serif; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--cyan); margin: 0 0 18px;
  display: inline-flex; align-items: center; gap: 9px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--cyan); opacity: 0.7; }

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--gold); color: #10130a; padding: 10px 16px; border-radius: 10px; font-weight: 700;
}
.skip-link:focus { left: 12px; }

/* grain / atmosphere overlay */
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.4; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body > *:not(.grain) { position: relative; z-index: 2; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: saturate(140%) blur(14px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line-soft);
}
.head-inner { display: flex; align-items: center; gap: 20px; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: "Bricolage", sans-serif; font-weight: 700; font-size: 21px; letter-spacing: -0.04em; }
.brand img { border-radius: 8px; }
.head-nav { margin-left: auto; display: flex; gap: 28px; }
.head-nav a { color: var(--muted); font-size: 15px; font-weight: 500; transition: color 0.2s; }
.head-nav a:hover { color: var(--ink); }
.head-cta { margin-left: 4px; }
@media (max-width: 720px) { .head-nav { display: none; } .head-cta { margin-left: auto; } }

/* ---------- pills / buttons ---------- */
.pill {
  --pc: var(--ink);
  display: inline-flex; align-items: center; gap: 9px;
  font: 600 15px/1 "Hanken", sans-serif; letter-spacing: -0.01em;
  padding: 12px 20px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.18s var(--ease), box-shadow 0.25s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.pill--ghost { border-color: var(--line); color: var(--ink); background: rgba(255,255,255,0.02); padding: 9px 16px; font-size: 14px; }
.pill--ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.pill--play { border-color: rgba(109,221,255,0.35); color: var(--cyan); background: rgba(109,221,255,0.06); }
.pill--gold {
  background: linear-gradient(180deg, var(--gold), var(--gold-deep));
  color: #10130a; box-shadow: 0 10px 30px -12px rgba(255,183,77,0.65);
}
.pill--gold:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(255,183,77,0.8); }
.pill--gold:active { transform: translateY(0); }
.pill--lg { font-size: 17px; padding: 16px 30px; }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: clamp(24px, 5vw, 72px);
  padding-top: clamp(48px, 9vw, 104px); padding-bottom: clamp(56px, 9vw, 112px);
}
.hero h1 { font-size: clamp(40px, 7.2vw, 78px); font-weight: 800; }
.lede { color: #c3c9d0; font-size: clamp(17px, 1.9vw, 20px); max-width: 33ch; margin: 22px 0 30px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.micro { color: var(--muted); font-size: 13.5px; margin: 16px 0 0; }

.hero-art { position: relative; display: grid; place-items: center; aspect-ratio: 1 / 1; }
.hero-art img { width: min(100%, 520px); filter: drop-shadow(0 30px 60px rgba(0,0,0,0.6)); }
.glow { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.55; z-index: -1; }
.glow--cyan { width: 62%; height: 62%; left: 6%; top: 14%; background: radial-gradient(circle, var(--cyan), transparent 68%); animation: drift 11s ease-in-out infinite; }
.glow--coral { width: 55%; height: 55%; right: 4%; bottom: 8%; background: radial-gradient(circle, var(--coral), transparent 68%); opacity: 0.4; animation: drift 13s ease-in-out infinite reverse; }
.note-pop {
  position: absolute; top: 12%; right: 16%; font-size: 34px; color: var(--gold);
  text-shadow: 0 0 24px rgba(255,213,79,0.8); animation: pop 3.4s var(--ease) infinite;
}
.floaty { animation: float 7s ease-in-out infinite; }
.floaty-slow { animation: float 9s ease-in-out infinite; }

/* ---------- how it works ---------- */
.how {
  display: grid; grid-template-columns: 0.9fr 1.1fr; align-items: center; gap: clamp(24px, 5vw, 64px);
  padding-block: clamp(56px, 9vw, 104px); border-top: 1px solid var(--line-soft);
}
.how-visual { position: relative; display: grid; place-items: center; aspect-ratio: 1 / 1; }
.how-visual img { width: min(78%, 360px); z-index: 2; filter: drop-shadow(0 20px 50px rgba(0,0,0,0.6)); }
.ringwaves { position: absolute; inset: 0; display: grid; place-items: center; }
.ringwaves span {
  position: absolute; width: 42%; aspect-ratio: 1; border-radius: 50%;
  border: 1.5px solid var(--cyan); opacity: 0; animation: ripple 3.6s ease-out infinite;
}
.ringwaves span:nth-child(2) { animation-delay: 1.2s; }
.ringwaves span:nth-child(3) { animation-delay: 2.4s; }

.how h2 { font-size: clamp(28px, 4.4vw, 46px); }
.steps { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 4px; }
.step { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: start; padding: 18px 0; border-top: 1px solid var(--line-soft); }
.step:first-child { border-top: 0; }
.step-n { font-family: "Bricolage", sans-serif; font-weight: 700; font-size: 15px; color: var(--cyan); padding-top: 3px; letter-spacing: 0.04em; }
.step h3 { font-size: 20px; margin-bottom: 4px; }
.step p { color: var(--muted); margin: 0; }

/* ---------- why ---------- */
.why { padding-block: clamp(56px, 9vw, 104px); border-top: 1px solid var(--line-soft); }
.why h2 { font-size: clamp(28px, 4.6vw, 48px); max-width: 16ch; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.card {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line); border-radius: var(--r); padding: 26px 24px 28px;
  transition: transform 0.25s var(--ease), border-color 0.25s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(109,221,255,0.4); }
.card-ic { font-size: 26px; display: block; margin-bottom: 16px; filter: saturate(1.2); }
.card h3 { font-size: 19px; margin-bottom: 8px; }
.card p { color: var(--muted); margin: 0; font-size: 15.5px; }

/* ---------- faq ---------- */
.faq { padding-block: clamp(56px, 9vw, 100px); border-top: 1px solid var(--line-soft); }
.faq h2 { font-size: clamp(26px, 4vw, 42px); margin-bottom: 30px; }
.faq-list { max-width: 760px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 40px 20px 2px; position: relative;
  font-family: "Bricolage", sans-serif; font-weight: 600; font-size: 19px; letter-spacing: -0.02em;
  transition: color 0.2s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  font-family: "Hanken", sans-serif; font-weight: 400; font-size: 26px; color: var(--cyan); transition: transform 0.25s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq summary:hover { color: var(--cyan); }
.faq details p { color: var(--muted); margin: -4px 2px 22px; max-width: 62ch; }
.faq a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- closer ---------- */
.closer {
  text-align: center; padding-block: clamp(64px, 11vw, 128px); border-top: 1px solid var(--line-soft);
  display: grid; justify-items: center; gap: 30px;
}
.closer h2 { font-size: clamp(34px, 6.4vw, 66px); font-weight: 800; }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line); background: #050607; }
.foot-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; padding-block: 34px; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-left: auto; }
.foot-nav a { color: var(--muted); font-size: 14.5px; transition: color 0.2s; }
.foot-nav a:hover { color: var(--cyan); }
.foot-fine { flex-basis: 100%; color: #5c636c; font-size: 13px; margin: 8px 0 0; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.06s; } .d2 { transition-delay: 0.14s; } .d3 { transition-delay: 0.22s; }

/* ---------- keyframes ---------- */
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes drift { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(6%,-5%) scale(1.08); } }
@keyframes pop { 0%,100% { transform: translateY(0) scale(1); opacity: 0.9; } 45% { transform: translateY(-10px) scale(1.15); opacity: 1; } }
@keyframes ripple { 0% { width: 30%; opacity: 0.55; } 100% { width: 96%; opacity: 0; } }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: left; }
  .hero-art { order: -1; max-width: 380px; margin-inline: 0; }
  .lede { max-width: 46ch; }
  .how { grid-template-columns: 1fr; }
  .how-visual { order: -1; max-width: 320px; }
  .why-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .cta-row { width: 100%; }
  .pill--play, .cta-row .pill--gold { flex: 1 1 auto; justify-content: center; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}