:root {
  --paper: #f3efe6;
  --paper-2: #ebe6db;
  --ink: #1c242c;
  --muted: #6b7380;
  --mist: #7dd3fc;
  --glass: #38bdf8;
  --aurora: #22d3ee;
  --porcelain: #67e8f9;
  --neon: #06b6d4;
  --clay: #c46a4a;
  --line: rgba(28, 36, 44, 0.08);
  --shadow: 0 24px 50px rgba(28, 36, 44, 0.08);
  --radius: 22px;
  --max: 1120px;
  --nav-h: 74px;
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Manrope", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(ellipse 70% 50% at 8% -10%, rgba(125, 211, 252, 0.28), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(6, 182, 212, 0.12), transparent 50%),
    var(--paper);
}
.grain {
  pointer-events: none;
  position: fixed; inset: 0; z-index: 1; opacity: .045;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.diamond {
  display: inline-block; width: 7px; height: 7px;
  background: var(--neon); transform: rotate(45deg);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.55);
}

.nav {
  position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  display: flex; align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(243, 239, 230, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-in {
  display: flex; align-items: center; gap: 16px;
  width: min(var(--max), calc(100% - 40px)); margin: 0 auto;
  position: relative;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--serif); font-weight: 600; letter-spacing: 0.16em;
  font-size: 15px;
}
.brand img { width: 36px; height: 36px; border-radius: 12px; object-fit: cover; display: block; box-shadow: 0 8px 18px rgba(6, 182, 212, 0.28); }
.hero-logo {
  width: 96px; height: 96px; margin: 0 auto 22px;
  border-radius: 26px; overflow: hidden;
  box-shadow: 0 18px 40px rgba(6, 182, 212, 0.32);
  background: #fff;
}
.hero-logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dl-logo {
  width: 48px; height: 48px; border-radius: 14px; object-fit: cover;
  display: block; margin-bottom: 12px;
  box-shadow: 0 10px 20px rgba(6, 182, 212, 0.22);
}
.footer-brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; color: var(--ink);
}
.footer-brand img { width: 32px; height: 32px; border-radius: 10px; object-fit: cover; display: block; }
.lang {
  display: flex; gap: 2px; padding: 3px;
  border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.55);
}
.lang button {
  border: 0; background: transparent; cursor: pointer;
  width: 36px; height: 28px; border-radius: 999px;
  font-size: 11px; font-weight: 800; color: var(--muted); font-family: var(--sans);
}
.lang button.on { background: var(--ink); color: #fff; }
.burger {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  border-radius: 12px; background: rgba(255,255,255,.5); cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.burger span { display: block; width: 16px; height: 1.5px; background: var(--ink); border-radius: 2px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 12px;
  background: linear-gradient(160deg, var(--glass), var(--neon));
  display: grid; place-items: center; color: #fff; font-family: var(--sans);
  font-weight: 800; font-size: 15px; letter-spacing: 0;
  box-shadow: 0 10px 24px rgba(6, 182, 212, 0.32);
}
.nav-links { display: flex; gap: 16px; margin-left: auto; font-size: 13px; font-weight: 600; color: var(--muted); }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  display: inline-flex; align-items: center; height: 40px; padding: 0 18px;
  border-radius: 999px; background: var(--ink); color: #fff;
  font-weight: 700; font-size: 13px;
}

.hero { padding: 80px 0 28px; text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 18px;
}
h1 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.05; letter-spacing: -0.03em; margin-bottom: 16px;
}
h1 em { font-style: italic; color: #0e7490; }
.lede {
  font-size: 1.08rem; color: var(--muted); max-width: 58ch;
  margin: 0 auto 28px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 22px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 22px; border-radius: 999px; font-weight: 700; font-size: 14px;
  border: 1px solid transparent; transition: transform 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--neon), var(--glass));
  color: #fff; box-shadow: 0 12px 28px rgba(6, 182, 212, 0.28);
}
.btn-ink { background: var(--ink); color: #fff; }
.btn-glass {
  background: rgba(255,255,255,0.55); border-color: rgba(255,255,255,0.8);
  backdrop-filter: blur(12px);
}
.status-pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px;
  border-radius: 999px; background: rgba(6, 182, 212, 0.1); color: #0e7490;
  border: 1px solid rgba(6, 182, 212, 0.22); font-size: 13px; font-weight: 700;
}
.status-pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--neon); box-shadow: 0 0 8px var(--neon); }

.hero-stats {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px; max-width: 720px; margin: 28px auto 0;
}
.hero-stats div {
  padding: 16px 12px; border-radius: 18px;
  background: rgba(255,255,255,.55); border: 1px solid rgba(255,255,255,.9);
}
.hero-stats strong { display: block; font-size: 1.05rem; }
.hero-stats span { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }

.steps { list-style: none; display: grid; gap: 12px; }
.steps li {
  display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: start;
  padding: 18px 20px; border-radius: 18px;
  background: rgba(255,255,255,.62); border: 1px solid rgba(255,255,255,.9);
}
.steps li span {
  width: 48px; height: 48px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, var(--aurora), var(--neon));
  color: #fff; font-weight: 800;
}
.steps h3 { font-family: var(--serif); font-size: 1.2rem; margin-bottom: 4px; }
.steps p { color: var(--muted); font-size: 14px; }

.split-sec {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: start;
}
.split-sec.reverse { grid-template-columns: .8fr 1.2fr; }
.split-sec.reverse > div:first-child { order: 2; }
.checks { list-style: none; display: grid; gap: 10px; margin-top: 8px; }
.checks li {
  padding-left: 28px; position: relative; color: var(--ink); font-size: 15px;
}
.checks li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--neon); box-shadow: 0 0 0 4px rgba(6,182,212,.15);
}
.glass-panel {
  background: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.95);
  border-radius: 24px; padding: 28px; box-shadow: var(--shadow);
}
.panel-k {
  font-size: 11px; font-weight: 800; letter-spacing: .16em; color: var(--muted);
  margin-bottom: 10px;
}
.glass-panel p:last-child { color: var(--ink); font-size: 1.02rem; }

.cats { display: flex; flex-wrap: wrap; gap: 10px; }
.cats span {
  padding: 10px 16px; border-radius: 999px; font-weight: 700; font-size: 13px;
  background: rgba(255,255,255,.7); border: 1px solid var(--line);
}
.flow-grid.five { margin-top: 8px; }

.faq { display: grid; gap: 10px; }
.faq details {
  background: rgba(255,255,255,.62); border: 1px solid rgba(255,255,255,.9);
  border-radius: 16px; padding: 4px 18px 4px;
}
.faq summary {
  cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq details p { color: var(--muted); padding: 0 0 16px; font-size: 14px; }

.palette {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px;
  margin: 48px auto 8px; max-width: 980px;
}
.swatch {
  background: #fff; border-radius: 18px; overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,0.8);
}
.swatch-head {
  padding: 16px 12px 8px; text-align: center;
  font-family: var(--serif); font-size: 17px; font-weight: 600;
}
.swatch-art {
  height: 168px; margin: 8px 12px; border-radius: 12px; position: relative; overflow: hidden;
}
.swatch-art::after {
  content: ""; position: absolute; inset: 0; opacity: .22;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='80'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.art-mist { background: radial-gradient(circle at 40% 40%, #e0f7ff, #7dd3fc 55%, #bae6fd); }
.art-glass {
  background:
    linear-gradient(120deg, rgba(255,255,255,.55), transparent 40%),
    radial-gradient(circle at 70% 20%, #7dd3fc, transparent 45%),
    linear-gradient(180deg, #38bdf8, #0284c7);
}
.art-aurora {
  background:
    repeating-linear-gradient(90deg, transparent 0 10px, rgba(255,255,255,.15) 10px 14px),
    linear-gradient(180deg, #a5f3fc, #22d3ee 40%, #0891b2);
}
.art-porcelain {
  background:
    linear-gradient(145deg, rgba(255,255,255,.7), transparent 45%),
    linear-gradient(180deg, #a5f3fc, #67e8f9 50%, #22d3ee);
}
.art-neon {
  background:
    radial-gradient(circle at 50% 50%, #67e8f9 0%, #06b6d4 38%, #0e7490 100%);
  box-shadow: inset 0 0 40px rgba(255,255,255,.35);
}
.swatch-hex {
  padding: 12px; text-align: center; font-size: 12px; font-weight: 700;
  letter-spacing: 0.08em; color: var(--muted);
}
.tagline {
  text-align: center; font-family: var(--serif); font-style: italic;
  font-size: 1.15rem; color: var(--muted); margin: 22px 0 10px;
}

section { padding: 72px 0; }
.sec-k {
  display: flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 800; letter-spacing: 0.18em;
  color: var(--muted); margin-bottom: 10px;
}
.sec-h {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing: -0.02em; margin-bottom: 12px;
}
.sec-p { color: var(--muted); max-width: 62ch; margin-bottom: 32px; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card, .glass-card, .download-card {
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(255,255,255,0.9);
  border-radius: var(--radius); padding: 24px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.card:hover { transform: translateY(-3px); transition: transform .2s ease; }
.card h3, .download-card h3 { font-family: var(--serif); font-size: 1.35rem; font-weight: 600; margin-bottom: 8px; }
.card p, .download-meta { font-size: 14px; color: var(--muted); }
.card-icon {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  margin-bottom: 14px; color: #fff; font-weight: 800;
}
.c1 { background: linear-gradient(160deg, var(--mist), var(--glass)); }
.c2 { background: linear-gradient(160deg, var(--aurora), var(--neon)); }
.c3 { background: linear-gradient(160deg, var(--porcelain), #0e7490); }

.flow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.flow-node {
  text-align: center; padding: 18px 10px; border-radius: 16px;
  background: rgba(255,255,255,0.7); border: 1px solid var(--line);
  font-size: 13px; font-weight: 700;
}
.flow-node.active {
  background: linear-gradient(180deg, rgba(103,232,249,0.35), rgba(255,255,255,0.7));
  color: #0e7490;
}

.download-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tag {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 800; letter-spacing: .06em;
  background: rgba(125, 211, 252, 0.35); color: #0e7490;
}
.tech-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tech-chip {
  padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: rgba(255,255,255,0.7); border: 1px solid var(--line);
}
.link { color: #0e7490; font-weight: 700; }

footer {
  padding: 36px 0 56px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 14px;
}
.footer-in { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }

@media (max-width: 900px) {
  .palette { grid-template-columns: 1fr 1fr; }
  .hero-grid, .cards-3, .download-grid, .split-sec, .split-sec.reverse, .hero-stats { grid-template-columns: 1fr; }
  .split-sec.reverse > div:first-child { order: 0; }
  .flow-grid { grid-template-columns: 1fr 1fr; }
  .nav-links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 0; margin: 0;
    background: rgba(243,239,230,.96); border-bottom: 1px solid var(--line);
    padding: 8px 20px 16px;
  }
  body.nav-open .nav-links { display: flex; }
  body.nav-open .nav-links a { padding: 12px 0; color: var(--ink); }
  .nav-cta { display: none; }
  .burger { display: flex; margin-left: auto; }
  .lang { order: 2; }
  .swatch-art { height: 120px; }
}