/* =========================================================
   Tokens — dark-first; light theme via [data-theme="light"]
   ========================================================= */
:root {
  --bg: #07080c;
  --bg-alt: #0b0d13;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-solid: #10131b;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f2f3f7;
  --text-muted: #aab2c3;
  --text-dim: #737c8f;
  --c1: #7c6cff;
  --c2: #22d3ee;
  --c3: #f472b6;
  --c4: #fbbf24;
  --accent: #a78bfa;
  --accent-ink: #0b0a1a;
  --ok: #34d399;
  --grad: linear-gradient(120deg, var(--c1), var(--c2));
  --shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border);
  --grid-line: rgba(255, 255, 255, 0.05);
  --aurora-op: 0.55;
  --code-bg: #0c0f16;

  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --serif: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 20px;
  --radius-sm: 12px;
  --container: 1200px;
  --nav-h: 72px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #fbfaf7;
  --bg-alt: #f3f1ec;
  --surface: rgba(255, 255, 255, 0.7);
  --surface-solid: #ffffff;
  --border: rgba(20, 20, 40, 0.09);
  --border-strong: rgba(20, 20, 40, 0.18);
  --text: #12131a;
  --text-muted: #4a5263;
  --text-dim: #737a8a;
  --c1: #4f46e5;
  --c2: #0891b2;
  --c3: #db2777;
  --c4: #d97706;
  --accent: #4f46e5;
  --accent-ink: #ffffff;
  --ok: #059669;
  --shadow: 0 30px 60px -24px rgba(30, 30, 60, 0.25), 0 0 0 1px var(--border);
  --grid-line: rgba(20, 20, 40, 0.06);
  --aurora-op: 0.35;
  color-scheme: light;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #fbfaf7;
    --bg-alt: #f3f1ec;
    --surface: rgba(255, 255, 255, 0.7);
    --surface-solid: #ffffff;
    --border: rgba(20, 20, 40, 0.09);
    --border-strong: rgba(20, 20, 40, 0.18);
    --text: #12131a;
    --text-muted: #4a5263;
    --text-dim: #737a8a;
    --c1: #4f46e5;
    --c2: #0891b2;
    --c3: #db2777;
    --c4: #d97706;
    --accent: #4f46e5;
    --accent-ink: #ffffff;
    --ok: #059669;
    --shadow: 0 30px 60px -24px rgba(30, 30, 60, 0.25), 0 0 0 1px var(--border);
    --grid-line: rgba(20, 20, 40, 0.06);
    --aurora-op: 0.35;
    color-scheme: light;
  }
}

/* =========================================================
   Base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
code { font-family: var(--mono); font-size: 0.88em; padding: 1px 5px; border-radius: 5px; background: var(--surface); border: 1px solid var(--border); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }
::selection { background: color-mix(in srgb, var(--c1) 35%, transparent); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.serif { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
h1 .serif, h2 .serif {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.mono { font-family: var(--mono); }

.skip-link { position: absolute; left: 16px; top: -60px; z-index: 200; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

/* Film grain */
.grain {
  position: fixed; inset: 0; z-index: 100; pointer-events: none; opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =========================================================
   Buttons & links
   ========================================================= */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem; line-height: 1;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .2s, border-color .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #fff; background: linear-gradient(120deg, var(--c1), color-mix(in srgb, var(--c1) 55%, var(--c2)));
  box-shadow: 0 10px 30px -10px color-mix(in srgb, var(--c1) 70%, transparent), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-primary:hover { box-shadow: 0 16px 40px -12px color-mix(in srgb, var(--c1) 85%, transparent), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-ghost { background: var(--surface); border-color: var(--border-strong); color: var(--text); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-sm { padding: 10px 16px; font-size: 0.87rem; }

.arrow-link { display: inline-flex; gap: 6px; align-items: center; font-weight: 600; font-size: 0.92rem; color: var(--accent); }
.arrow-link span { transition: transform .25s var(--ease); }
.arrow-link:hover span { transform: translate(3px, -1px); }
.arrow-link.muted { color: var(--text-muted); }
.arrow-link.muted:hover { color: var(--text); }
.link-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); cursor: pointer;
  transition: border-color .2s, color .2s;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

/* =========================================================
   Navbar
   ========================================================= */
.navbar {
  position: fixed; inset: 0 0 auto 0; z-index: 60; height: var(--nav-h);
  padding-top: env(safe-area-inset-top, 0px);
  display: flex; align-items: center;
  transition: background-color .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: saturate(160%) blur(16px); -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom-color: var(--border);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; width: 100%; gap: 16px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; }
.logo-mark {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  font-size: 0.82rem; font-weight: 700; color: #fff; background: var(--grad);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.3), 0 6px 18px -6px color-mix(in srgb, var(--c1) 70%, transparent);
}
.logo-mark.sm { width: 24px; height: 24px; border-radius: 7px; font-size: 0.6rem; vertical-align: middle; margin-right: 8px; }
.logo-mark.big { width: 96px; height: 96px; border-radius: 28px; font-size: 2rem; }
.nav-menu {
  display: flex; gap: 2px; padding: 5px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface); backdrop-filter: blur(10px);
}
.nav-link { display: block; padding: 7px 16px; border-radius: 999px; font-size: 0.9rem; font-weight: 500; color: var(--text-muted); transition: color .2s, background-color .2s; }
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--text); background: color-mix(in srgb, var(--text) 8%, transparent); }
.nav-only-mobile { display: none; }
.nav-actions { display: flex; gap: 10px; align-items: center; }

.icon-sun { display: block; }
.icon-moon { display: none; }
:root[data-theme="light"] .icon-sun { display: none; }
:root[data-theme="light"] .icon-moon { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .icon-sun { display: none; }
  :root:not([data-theme="dark"]) .icon-moon { display: block; }
}

.nav-toggle { display: none; }
.hamburger, .hamburger::before, .hamburger::after { display: block; width: 16px; height: 2px; background: currentColor; border-radius: 2px; position: relative; transition: transform .25s, background-color .25s; }
.hamburger::before, .hamburger::after { content: ''; position: absolute; left: 0; }
.hamburger::before { top: -5px; }
.hamburger::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger::after { transform: translateY(-5px) rotate(-45deg); }

/* =========================================================
   Hero + generative artwork
   ========================================================= */
.hero { position: relative; padding: calc(var(--nav-h) + 72px) 0 56px; overflow: hidden; isolation: isolate; }
.hero-art, .cta-art { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.aurora { position: absolute; border-radius: 50%; filter: blur(90px); opacity: var(--aurora-op); will-change: transform; }
.aurora.a1 { width: 46vw; height: 46vw; max-width: 720px; max-height: 720px; left: -10%; top: -20%; background: var(--c1); animation: drift1 22s ease-in-out infinite alternate; }
.aurora.a2 { width: 40vw; height: 40vw; max-width: 640px; max-height: 640px; right: -8%; top: 5%; background: var(--c2); animation: drift2 26s ease-in-out infinite alternate; }
.aurora.a3 { width: 30vw; height: 30vw; max-width: 480px; max-height: 480px; left: 35%; bottom: -25%; background: var(--c3); opacity: calc(var(--aurora-op) * .6); animation: drift3 30s ease-in-out infinite alternate; }
@keyframes drift1 { to { transform: translate(12vw, 8vh) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-10vw, 12vh) scale(.9); } }
@keyframes drift3 { to { transform: translate(-8vw, -10vh) scale(1.2); } }

.hero-grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 30%, transparent 75%);
}
.orbits { position: absolute; width: 900px; height: 900px; right: -180px; top: -60px; opacity: .7; }
.orbit-spin { transform-origin: 400px 400px; animation: spin 24s linear infinite; }
.orbit-spin.slow { animation-duration: 48s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-layout { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 12px; margin-bottom: 28px;
  border: 1px solid var(--border-strong); border-radius: 999px; background: var(--surface); backdrop-filter: blur(8px);
  font-size: 0.84rem; color: var(--text-muted);
}
.status-dot, .chip-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); display: inline-block; flex: none; }
.status-dot { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 60%, transparent); animation: pulse 2.2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

.hero-role { font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 18px; }
.hero-role b { color: var(--text); font-weight: 500; }
.hero-name { font-size: clamp(2.6rem, 5.8vw, 4.9rem); line-height: 1.02; letter-spacing: -0.045em; font-weight: 600; margin-bottom: 24px; }
.hero-name .serif { font-size: 1.08em; }
.hero-description { color: var(--text-muted); font-size: 1.1rem; max-width: 52ch; margin-bottom: 34px; }
.hero-description strong { color: var(--text); font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* Floating product frames */
.hero-stage { position: relative; height: 520px; perspective: 1600px; }
.float-frame, .browser {
  border-radius: 14px; overflow: hidden; background: var(--surface-solid);
  box-shadow: var(--shadow);
}
.float-frame { position: absolute; width: 78%; transition: transform .6s var(--ease); will-change: transform; }
.float-frame img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.float-frame.f1 { top: 0; right: 0; --r: rotateY(-14deg) rotateX(6deg); transform: var(--r) translate3d(var(--px, 0), var(--py, 0), -80px); opacity: .75; }
.float-frame.f2 { top: 110px; left: 0; --r: rotateY(-14deg) rotateX(6deg); transform: var(--r) translate3d(var(--px, 0), var(--py, 0), -20px); }
.float-frame.f3 { top: 230px; right: 4%; --r: rotateY(-14deg) rotateX(6deg); transform: var(--r) translate3d(var(--px, 0), var(--py, 0), 40px); }
.frame-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: color-mix(in srgb, var(--surface-solid) 92%, var(--text)); border-bottom: 1px solid var(--border); }
.frame-bar span { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
.frame-bar span:nth-child(1) { background: #ff5f57; } .frame-bar span:nth-child(2) { background: #febc2e; } .frame-bar span:nth-child(3) { background: #28c840; }
.frame-bar em { margin: 0 auto; padding: 2px 12px; border-radius: 6px; font-style: normal; font-family: var(--mono); font-size: 0.7rem; color: var(--text-muted); background: var(--surface); }

.float-chip {
  position: absolute; display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px;
  font-size: 0.82rem; font-weight: 500; color: var(--text); white-space: nowrap;
  background: color-mix(in srgb, var(--surface-solid) 80%, transparent); backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong); box-shadow: 0 16px 40px -16px rgba(0,0,0,.5);
  transform: translate3d(var(--px, 0), var(--py, 0), 0); transition: transform .6s var(--ease);
  animation: bob 6s ease-in-out infinite;
}
.float-chip.c-a { left: -4%; top: 60px; }
.float-chip.c-b { right: -2%; bottom: 40px; animation-delay: -3s; }
.chip-rx { font-family: var(--serif); font-size: 1.1rem; color: var(--c2); }
@keyframes bob { 50% { margin-top: -8px; } }

/* Stats */
.stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 72px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); backdrop-filter: blur(10px);
}
.stats div { padding: 22px 26px; }
.stats div + div { border-left: 1px solid var(--border); }
.stats dt { font-size: 0.8rem; color: var(--text-muted); order: 2; }
.stats dd { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 600; letter-spacing: -0.03em; }
.stats div { display: flex; flex-direction: column-reverse; gap: 2px; }

/* Marquee */
.marquee { overflow: hidden; border-block: 1px solid var(--border); padding: 18px 0; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 28px; width: max-content; animation: marquee 40s linear infinite; font-family: var(--serif); font-style: italic; font-size: 1.6rem; color: var(--text-muted); }
.marquee-track i { font-style: normal; font-size: 0.9rem; color: var(--accent); align-self: center; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =========================================================
   Sections
   ========================================================= */
.section { position: relative; padding: 128px 0; }
.section-alt { background: linear-gradient(180deg, transparent, var(--bg-alt) 12%, var(--bg-alt) 88%, transparent); }
.section-head { margin-bottom: 56px; }
.section-kicker { display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 18px; }
.section-kicker span { color: var(--accent); }
.section-kicker::after { content: ''; width: 40px; height: 1px; background: var(--border-strong); }
.section-title { font-size: clamp(2rem, 4.4vw, 3.4rem); line-height: 1.05; letter-spacing: -0.04em; font-weight: 600; max-width: 20ch; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 5px 12px; border-radius: 999px; font-size: 0.78rem; font-weight: 500; color: var(--text-muted); border: 1px solid var(--border-strong); background: var(--surface); }

/* Spotlight hover (cursor-following glow) */
.spot { position: relative; }
.spot::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--tint, var(--c1)) 16%, transparent), transparent 60%);
}
.spot:hover::before { opacity: 1; }

/* =========================================================
   Work
   ========================================================= */
.flagship {
  position: relative; isolation: isolate; overflow: hidden;
  padding: 48px; margin-bottom: 40px; border-radius: 28px;
  border: 1px solid var(--border); background: var(--surface);
}
.flagship::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, color-mix(in srgb, var(--tint) 60%, transparent), transparent 35%, transparent 70%, color-mix(in srgb, var(--tint2) 40%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
.flagship-glow {
  position: absolute; z-index: -1; width: 70%; height: 60%; top: -20%; left: -10%; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--tint) 28%, transparent), transparent);
  filter: blur(40px);
}
.showcase { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; }
.showcase-flip .showcase-media { order: 2; }
.showcase-media { display: block; }
.showcase-media .browser, .card-media .browser { transition: transform .6s var(--ease), box-shadow .6s var(--ease); }
.showcase-media:hover .browser { transform: translateY(-6px) rotate(-.4deg); }
.showcase-flip .showcase-media:hover .browser { transform: translateY(-6px) rotate(.4deg); }
.browser img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }

.project-meta { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 14px; }
.badge { padding: 3px 9px; border-radius: 999px; font-size: 0.68rem; color: #fff; background: linear-gradient(120deg, var(--tint), var(--tint2, var(--tint))); }
.project-title { font-size: clamp(1.7rem, 3vw, 2.4rem); letter-spacing: -0.035em; line-height: 1.1; font-weight: 600; margin-bottom: 10px; }
.project-tagline { font-family: var(--serif); font-style: italic; font-size: 1.35rem; line-height: 1.35; color: var(--text); margin-bottom: 14px; }
.project-description { color: var(--text-muted); margin-bottom: 20px; }
.showcase-info .chips { margin-bottom: 26px; }
.wallets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.wallets li { padding: 6px 12px; border-radius: 10px; font-size: 0.8rem; font-weight: 600; background: color-mix(in srgb, var(--tint) 14%, transparent); color: var(--text); border: 1px solid color-mix(in srgb, var(--tint) 30%, transparent); }

/* Flow timeline */
.flow-block, .feat-block { margin-top: 48px; padding-top: 36px; border-top: 1px solid var(--border); }
.flow-title { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; font-weight: 600; font-size: 1.1rem; letter-spacing: -0.01em; margin-bottom: 24px; }
.flow-title span { font-family: var(--mono); font-weight: 400; font-size: 0.76rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); }
.flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; position: relative; }
.flow.flow-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.flow::before {
  content: ''; position: absolute; left: 0; right: 0; top: 13px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--tint), var(--tint2)); opacity: .5;
}
.flow li { position: relative; padding-top: 38px; }
.flow li::before {
  content: ''; position: absolute; top: 6px; left: 0; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--tint); box-shadow: 0 0 0 4px color-mix(in srgb, var(--tint) 18%, transparent);
}
.flow-time { font-family: var(--mono); font-size: 0.76rem; color: var(--tint); font-weight: 500; }
.flow h4 { font-size: 0.98rem; margin: 4px 0 4px; letter-spacing: -0.01em; }
.flow p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.5; }

/* Feature grid */
.feat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.feat { flex-direction: column; }
.feat {
  display: flex; gap: 14px; padding: 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 40%, transparent);
  transition: border-color .25s, transform .25s var(--ease);
}
.feat:hover { border-color: color-mix(in srgb, var(--tint) 45%, var(--border)); transform: translateY(-2px); }
.feat-icon {
  flex: none; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px;
  color: var(--tint);
  background: color-mix(in srgb, var(--tint) 14%, transparent); border: 1px solid color-mix(in srgb, var(--tint) 28%, transparent);
}
.feat-icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.feat h4 { font-size: 0.95rem; letter-spacing: -0.01em; margin-bottom: 3px; }
.feat p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.5; }

/* Secondary products */
.duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-bottom: 24px; }
.card-product { padding: 28px; border-radius: 24px; border: 1px solid var(--border); background: var(--surface); transition: border-color .3s; }
.card-product:hover { border-color: color-mix(in srgb, var(--tint) 40%, var(--border)); }
.card-media { display: block; margin-bottom: 26px; }
.card-media:hover .browser { transform: translateY(-4px); }
.card-product .project-title { font-size: 1.6rem; }
.card-product .chips { margin-bottom: 20px; }

.mini-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.mini-card { display: grid; grid-template-columns: 170px 1fr; gap: 24px; align-items: center; padding: 20px; border-radius: 24px; border: 1px solid var(--border); background: var(--surface); }
.mini-card h3 { font-size: 1.2rem; letter-spacing: -0.02em; margin-bottom: 6px; }
.mini-card p:not(.project-meta) { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 12px; }
.mini-card .project-meta { margin-bottom: 8px; }
.mini-art { height: 150px; border-radius: 16px; display: grid; place-items: center; overflow: hidden; }
.art-agent { background: var(--code-bg); padding: 14px; place-items: start; }
.art-agent pre { font-family: var(--mono); font-size: 0.64rem; line-height: 1.8; color: #d6dbe5; white-space: pre-wrap; }
.t-dim { color: #7d8697; } .t-ok { color: #6ee7b7; }
.caret { animation: blink 1s steps(2) infinite; color: #a99cff; }
@keyframes blink { to { opacity: 0; } }
.art-site { background: radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--c1) 40%, transparent), transparent 60%), radial-gradient(circle at 80% 90%, color-mix(in srgb, var(--c2) 35%, transparent), transparent 55%), var(--bg-alt); }

/* =========================================================
   About
   ========================================================= */
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: start; }
.about-grid .section-head { margin-bottom: 0; position: sticky; top: calc(var(--nav-h) + 32px); }
.about-lead { font-size: 1.35rem; line-height: 1.5; color: var(--text); margin-bottom: 20px; letter-spacing: -0.01em; }
.about-body p:not(.about-lead) { color: var(--text-muted); margin-bottom: 16px; font-size: 1.04rem; }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 36px; }
.facts div { padding: 18px 20px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); }
.facts dt { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 6px; }
.facts dd { font-weight: 600; display: flex; align-items: center; gap: 8px; }

/* =========================================================
   Principles
   ========================================================= */
.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; counter-reset: pr; }
.principle { padding: 28px; border-radius: 20px; border: 1px solid var(--border); background: var(--surface); transition: border-color .3s, transform .3s var(--ease); }
.principle:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.principle::after { content: ''; display: block; }
.principle-num { font-family: var(--serif); font-style: italic; font-size: 2.4rem; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.principle h3 { font-size: 1.1rem; letter-spacing: -0.015em; margin: 14px 0 8px; }
.principle p { font-size: 0.92rem; color: var(--text-muted); }

/* =========================================================
   Skills (bento)
   ========================================================= */
.bento { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.bento-card { padding: 30px; border-radius: 22px; border: 1px solid var(--border); background: var(--surface); overflow: hidden; transition: border-color .3s; }
.bento-card:hover { border-color: var(--border-strong); }
.b-wide { grid-column: span 2; }
.bento-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 20px; background: linear-gradient(140deg, color-mix(in srgb, var(--c1) 22%, transparent), color-mix(in srgb, var(--c2) 18%, transparent)); border: 1px solid var(--border-strong); }
.bento-icon svg { width: 22px; height: 22px; fill: none; stroke: var(--text); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.bento-card h3 { font-size: 1.2rem; letter-spacing: -0.02em; margin-bottom: 8px; }
.bento-card p { color: var(--text-muted); font-size: 0.94rem; margin-bottom: 20px; max-width: 48ch; }

/* =========================================================
   Process
   ========================================================= */
.process { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.process li { position: relative; padding: 30px 26px; border-radius: 20px; border: 1px solid var(--border); background: var(--surface); }
.step { font-family: var(--serif); font-style: italic; font-size: 2.6rem; line-height: 1; color: var(--text-dim); }
.process h3 { font-size: 1.1rem; margin: 18px 0 8px; letter-spacing: -0.015em; }
.process p { color: var(--text-muted); font-size: 0.93rem; }

/* =========================================================
   Contact CTA
   ========================================================= */
.cta-panel {
  position: relative; isolation: isolate; overflow: hidden; text-align: center;
  padding: 96px 32px; border-radius: 32px; border: 1px solid var(--border-strong); background: var(--surface);
}
.cta-panel .section-kicker { justify-content: center; }
.cta-panel .section-kicker::after { display: none; }
.cta-panel .aurora.a1 { left: -5%; top: -60%; }
.cta-panel .aurora.a2 { right: -5%; top: 20%; }
.cta-title { font-size: clamp(2.2rem, 5.4vw, 4.2rem); line-height: 1.04; letter-spacing: -0.045em; font-weight: 600; margin-bottom: 20px; }
.cta-title .serif { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cta-lead { color: var(--text-muted); font-size: 1.08rem; max-width: 50ch; margin: 0 auto 36px; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 28px 0 calc(28px + env(safe-area-inset-bottom, 0px)); color: var(--text-muted); font-size: 0.9rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }

/* =========================================================
   Case study page
   ========================================================= */
.page { position: relative; padding: calc(var(--nav-h) + 72px) 0 96px; }
.prose { max-width: 760px; margin: 0 auto; }
.prose .back { margin-bottom: 36px; }
.prose h1 { font-size: clamp(2.4rem, 6vw, 3.8rem); line-height: 1.02; letter-spacing: -0.045em; font-weight: 600; margin-bottom: 18px; }
.prose .lead { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 32px; }
.prose h2 { font-size: 1.5rem; letter-spacing: -0.02em; font-weight: 600; margin: 56px 0 16px; }
.prose p, .prose li { color: var(--text-muted); }
.prose p { margin-bottom: 14px; }
.prose ul, .prose ol { display: grid; gap: 10px; margin-bottom: 14px; }
.prose ul li { position: relative; padding-left: 24px; }
.prose ul li::before { content: ''; position: absolute; left: 4px; top: 0.65em; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }
.prose ol { counter-reset: step; }
.prose ol li { counter-increment: step; position: relative; padding-left: 40px; }
.prose ol li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; font-family: var(--mono); font-size: 0.82rem; color: var(--accent); top: 0.15em; }
.prose strong { color: var(--text); }
.prose .browser { margin: 12px 0 8px; }
.summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 8px 0; }
.summary div { padding: 16px 18px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.summary dt { font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 4px; }
.summary dd { font-weight: 600; font-size: 0.95rem; }
.callout { padding: 20px 22px; border: 1px solid var(--border); border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 14px 14px 0; margin: 12px 0; }
.callout p { margin: 0; color: var(--text); }
.callout p + p { margin-top: 6px; color: var(--text-muted); }


/* =========================================================
   About — portrait art & strengths
   ========================================================= */
.about-portrait {
  position: relative; isolation: isolate; overflow: hidden; margin-top: 40px; aspect-ratio: 1 / 1; max-width: 380px;
  border-radius: 28px; border: 1px solid var(--border-strong); background: var(--surface);
  display: grid; place-items: center;
}
.about-portrait .aurora { filter: blur(50px); }
.about-portrait .aurora.a1 { width: 70%; height: 70%; left: -10%; top: -10%; max-width: none; max-height: none; }
.about-portrait .aurora.a2 { width: 60%; height: 60%; right: -10%; top: 40%; max-width: none; max-height: none; }
.about-rings { position: absolute; inset: 0; width: 100%; height: 100%; }
.about-rings circle { fill: none; stroke: var(--border-strong); }
.about-rings .dot-a { fill: var(--c2); stroke: none; }
.about-rings .dot-b { fill: var(--c1); stroke: none; }
.about-rings .orbit-spin { transform-origin: 150px 150px; }
.about-portrait .logo-mark.big { width: 110px; height: 110px; font-size: 2.3rem; border-radius: 30px; }
.portrait-caption { position: absolute; left: 20px; bottom: 16px; font-weight: 600; font-size: 0.95rem; line-height: 1.35; }
.portrait-caption span { font-family: var(--mono); font-weight: 400; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); }

.about-body strong { color: var(--text); }
.strengths { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 32px; }
.strengths li { display: flex; gap: 14px; padding: 20px; border-radius: 16px; border: 1px solid var(--border); background: var(--surface); transition: border-color .25s; }
.strengths li:hover { border-color: var(--border-strong); }
.strengths h3 { font-size: 1rem; letter-spacing: -0.01em; margin-bottom: 4px; }
.strengths p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.5; margin: 0 !important; }
.s-icon {
  flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(140deg, color-mix(in srgb, var(--c1) 26%, transparent), color-mix(in srgb, var(--c2) 22%, transparent));
  border: 1px solid var(--border-strong);
}
.s-icon.sm { width: 32px; height: 32px; border-radius: 10px; }
.s-icon svg { width: 20px; height: 20px; fill: none; stroke: var(--text); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.s-icon.sm svg { width: 17px; height: 17px; }

/* =========================================================
   Systems & networking
   ========================================================= */
.section-sub { color: var(--text-muted); font-size: 1.08rem; margin-top: 16px; max-width: 58ch; }
.arch {
  position: relative; padding: 28px; border-radius: 28px; border: 1px solid var(--border);
  background:
    radial-gradient(60% 80% at 0% 0%, color-mix(in srgb, var(--c1) 10%, transparent), transparent 60%),
    radial-gradient(50% 70% at 100% 100%, color-mix(in srgb, var(--c2) 10%, transparent), transparent 60%),
    var(--surface);
  margin-bottom: 24px;
}
.arch-cap { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 0.92rem; color: var(--text-muted); margin-bottom: 18px; }
.swipe-hint { display: none; font-family: var(--mono); font-size: 0.74rem; color: var(--text-muted); margin-bottom: 10px; }
.arch-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.arch-svg { display: block; width: 100%; min-width: 860px; height: auto; font-family: var(--font); }
.a-zone rect { fill: color-mix(in srgb, var(--text) 2.5%, transparent); stroke: var(--border); stroke-dasharray: 4 6; }
.a-zone text { fill: var(--text-muted); font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; text-anchor: middle; }
.a-node rect { fill: var(--surface-solid); stroke: var(--border-strong); }
.a-node rect.a-edge { stroke: color-mix(in srgb, var(--c2) 60%, transparent); fill: color-mix(in srgb, var(--c2) 8%, var(--surface-solid)); }
.a-node rect.a-core { stroke: color-mix(in srgb, var(--c1) 70%, transparent); fill: color-mix(in srgb, var(--c1) 10%, var(--surface-solid)); }
.a-node rect.a-alt { stroke: color-mix(in srgb, var(--c3) 55%, transparent); fill: color-mix(in srgb, var(--c3) 7%, var(--surface-solid)); }
.a-node rect.a-ok { stroke: color-mix(in srgb, var(--ok) 60%, transparent); fill: color-mix(in srgb, var(--ok) 8%, var(--surface-solid)); }
.a-node text { fill: var(--text); font-size: 13px; font-weight: 600; text-anchor: middle; }
.a-node text.a-sub { fill: var(--text-muted); font-size: 10.5px; font-weight: 400; font-family: var(--mono); }
.a-flow path { fill: none; stroke: url(#ag); stroke-width: 1.8; stroke-dasharray: 6 6; animation: flow 1.6s linear infinite; }
.a-flow path.a-out { stroke: var(--c3); opacity: .7; }
.a-link path { fill: none; stroke: var(--border-strong); stroke-width: 1.2; }
.a-arrow { fill: var(--c2); }
.a-label { fill: var(--c2); font-family: var(--mono); font-size: 11px; text-anchor: middle; }
.a-label-out { fill: var(--c3); }
@keyframes flow { to { stroke-dashoffset: -24; } }

.sys-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 24px; }
.netstack, .toolbox { padding: 30px; border-radius: 24px; border: 1px solid var(--border); background: var(--surface); }
.panel-title { display: flex; align-items: center; gap: 12px; font-size: 1.15rem; letter-spacing: -0.015em; margin-bottom: 22px; }
.layers { display: grid; gap: 8px; }
.layers li {
  position: relative; display: flex; gap: 16px; align-items: flex-start; padding: 14px 16px; border-radius: 14px;
  border: 1px solid var(--border);
  background: linear-gradient(90deg, color-mix(in srgb, var(--c1) calc(18% - var(--l) * 2.5%), transparent), color-mix(in srgb, var(--c2) calc(4% + var(--l) * 2.5%), transparent));
  margin-left: calc(var(--l) * 6px); transition: transform .25s var(--ease), border-color .25s;
}
.layers li:hover { transform: translateX(4px); border-color: var(--border-strong); }
.layer-tag {
  flex: none; min-width: 44px; padding: 4px 0; text-align: center; border-radius: 8px;
  font-family: var(--mono); font-size: 0.74rem; font-weight: 500; color: #fff; background: var(--grad);
}
.layers h4 { font-size: 0.95rem; margin-bottom: 2px; }
.layers p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.5; }

.toolbox-list { display: grid; gap: 0; }
.toolbox-list li { display: grid; grid-template-columns: 128px 1fr; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--border); font-size: 0.9rem; }
.toolbox-list li:last-child { border-bottom: 0; }
.toolbox-list b { font-weight: 600; }
.toolbox-list b::before { content: '▸ '; color: var(--accent); }
.toolbox-list span { color: var(--text-muted); }

/* Bento extras */
.b-tall { grid-row: span 2; display: flex; flex-direction: column; }
.topo { width: 100%; height: auto; margin-top: auto; padding-top: 24px; }
.topo-links path { fill: none; stroke: var(--border-strong); stroke-width: 1.2; }
.topo-pulse path { fill: none; stroke: var(--c2); stroke-width: 2; stroke-dasharray: 8 220; animation: pulseline 3.2s linear infinite; }
.topo-pulse path + path { stroke: var(--c1); animation-delay: -1.6s; }
.topo-nodes circle { fill: var(--surface-solid); stroke: var(--c2); stroke-width: 1.5; }
.topo-nodes .n-core { stroke: var(--c1); fill: color-mix(in srgb, var(--c1) 30%, var(--surface-solid)); }
.topo-labels text { fill: var(--text-muted); font-family: var(--mono); font-size: 9px; text-anchor: middle; }
@keyframes pulseline { from { stroke-dashoffset: 228; } to { stroke-dashoffset: 0; } }
.b-feature { background: linear-gradient(160deg, color-mix(in srgb, var(--tint) 12%, transparent), transparent 55%), var(--surface); }
.b-feature h3 { font-size: 1.45rem; }

/* =========================================================
   Reveal
   ========================================================= */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.visible { opacity: 1; transform: none; }

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

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1080px) {
  .hero-layout { grid-template-columns: 1fr; }
  .hero-stage { height: 440px; max-width: 640px; width: 100%; margin: 0 auto; }
  .showcase, .showcase-flip { grid-template-columns: 1fr; gap: 36px; }
  .showcase-flip .showcase-media { order: 0; }
  .flow, .flow.flow-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 28px; }
  .flow::before { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-grid .section-head { position: static; }
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .b-wide { grid-column: span 2; }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mini-grid, .duo { grid-template-columns: 1fr; }
  .sys-grid { grid-template-columns: 1fr; }
  .b-tall { grid-row: auto; }
  .about-portrait { display: none; }
  .feat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .nav-toggle { display: inline-grid; }
  .nav-cta { display: none; }
  .nav-only-mobile { display: block; }
  .logo-text { display: none; }
  .nav-menu {
    position: fixed; top: calc(var(--nav-h) + env(safe-area-inset-top, 0px)); left: 16px; right: 16px;
    flex-direction: column; gap: 2px; padding: 10px; border-radius: 20px;
    background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(20px);
    border: 1px solid var(--border-strong); box-shadow: var(--shadow);
    transform: translateY(-8px) scale(.98); opacity: 0; visibility: hidden;
    transition: opacity .2s, transform .2s var(--ease), visibility .2s;
  }
  .nav-menu.open { transform: none; opacity: 1; visibility: visible; }
  .nav-link { padding: 12px 16px; font-size: 1rem; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats div:nth-child(3) { border-left: 0; }
  .stats div:nth-child(n+3) { border-top: 1px solid var(--border); }
  .flagship { padding: 28px; }
  .section { padding: 96px 0; }
  .summary { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .hero-stage { height: 300px; }
  .float-chip { font-size: 0.72rem; padding: 7px 10px; }
  .float-chip.c-a { left: 0; top: 20px; }
  .float-chip.c-b { right: 0; bottom: 10px; }
  .float-frame.f2 { top: 70px; }
  .float-frame.f3 { top: 140px; }
  .flagship { padding: 20px; border-radius: 22px; }
  .flow, .flow.flow-6 { grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .feat { flex-direction: row; }
  .principles, .bento, .process, .facts, .strengths { grid-template-columns: 1fr; }
  .arch, .netstack, .toolbox { padding: 18px; }
  .swipe-hint { display: block; }
  .layers li { margin-left: 0; }
  .toolbox-list li { grid-template-columns: 1fr; gap: 2px; }
  .b-wide { grid-column: auto; }
  .mini-card { grid-template-columns: 1fr; }
  .card-product { padding: 20px; }
  .cta-panel { padding: 64px 20px; }
  .btn { white-space: normal; text-align: center; }
}

/* =========================================================
   3D coin logo
   ========================================================= */
.coin { --s: 38px; --t: 4px; position: relative; display: inline-block; width: var(--s); height: var(--s); perspective: 700px; flex: none; }
.coin-body { position: absolute; inset: 0; transform-style: preserve-3d; animation: coin-idle 7s ease-in-out infinite; }
.coin-face {
  position: absolute; inset: 0; border-radius: 50%; display: grid; place-items: center; overflow: hidden;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  background:
    radial-gradient(circle at 32% 24%, rgba(255,255,255,.65), rgba(255,255,255,0) 38%),
    conic-gradient(from 210deg, #5b4bff, #b9b0ff, #7c6cff, #2dd4bf, #0f8a7e, #5b4bff);
  box-shadow:
    inset 0 0 0 calc(var(--s) * .055) rgba(255,255,255,.28),
    inset 0 0 0 calc(var(--s) * .09) rgba(20,10,60,.28),
    inset 0 calc(var(--s) * -.08) calc(var(--s) * .18) rgba(10,5,40,.35);
}
.coin-face::before { /* milled inner ring */
  content: ''; position: absolute; inset: 13%; border-radius: 50%;
  border: 1px dashed rgba(255,255,255,.45); box-shadow: 0 0 0 1px rgba(20,10,60,.15);
}
.coin-face::after { /* moving shine */
  content: ''; position: absolute; inset: -40%;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.55) 50%, transparent 60%);
  transform: translateX(-60%); animation: coin-shine 5s ease-in-out infinite;
}
.coin-face b {
  position: relative; z-index: 1; font-weight: 800; font-size: calc(var(--s) * .36); letter-spacing: -0.04em; color: #fff;
  text-shadow: 0 1px 0 rgba(255,255,255,.35), 0 -1px 0 rgba(20,10,60,.45), 0 calc(var(--s) * .03) calc(var(--s) * .06) rgba(20,10,60,.35);
}
.coin-front { transform: translateZ(calc(var(--t) / 2)); }
.coin-back { transform: rotateY(180deg) translateZ(calc(var(--t) / 2)); }
.coin-edge i {
  position: absolute; inset: 0; border-radius: 50%;
  background: linear-gradient(90deg, #2a1f86, #8b7bff 45%, #1b8f82);
  transform: translateZ(calc(var(--t) / 2 - var(--k) * var(--t) / 9));
}
.coin-edge i:nth-child(1){--k:0}.coin-edge i:nth-child(2){--k:1}.coin-edge i:nth-child(3){--k:2}.coin-edge i:nth-child(4){--k:3}.coin-edge i:nth-child(5){--k:4}
.coin-edge i:nth-child(6){--k:5}.coin-edge i:nth-child(7){--k:6}.coin-edge i:nth-child(8){--k:7}.coin-edge i:nth-child(9){--k:8}.coin-edge i:nth-child(10){--k:9}
.coin::after { /* soft cast shadow */
  content: ''; position: absolute; left: 12%; right: 12%; bottom: -14%; height: 16%; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(20,10,60,.45), transparent); filter: blur(2px); z-index: -1;
}
.coin-sm { --s: 26px; --t: 3px; }
.coin-lg { --s: 132px; --t: 14px; }
.coin-xl { --s: 168px; --t: 18px; }
.coin-spin .coin-body { animation: coin-spin 9s linear infinite; }
a:hover > .coin .coin-body, .coin:hover .coin-body { animation: coin-flip 1.1s var(--ease); }
@keyframes coin-idle { 0%, 100% { transform: rotateY(-22deg) rotateX(8deg); } 50% { transform: rotateY(22deg) rotateX(-4deg); } }
@keyframes coin-spin { from { transform: rotateX(10deg) rotateY(0); } to { transform: rotateX(10deg) rotateY(360deg); } }
@keyframes coin-flip { from { transform: rotateY(0); } to { transform: rotateY(360deg); } }
@keyframes coin-shine { 0%, 55% { transform: translateX(-60%); } 80%, 100% { transform: translateX(60%); } }

/* =========================================================
   Header v2 — floating glass bar + scroll progress
   ========================================================= */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 70; transform-origin: 0 50%; transform: scaleX(var(--p, 0));
  background: linear-gradient(90deg, var(--c1), var(--c2), var(--c3));
}
.navbar { height: calc(var(--nav-h) + 12px); }
.navbar .nav-container {
  max-width: calc(var(--container) - 8px); padding: 8px 10px 8px 14px; border-radius: 999px;
  border: 1px solid transparent; transition: background-color .3s, border-color .3s, box-shadow .3s;
}
.navbar.scrolled { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom-color: transparent; }
.navbar.scrolled .nav-container {
  background: color-mix(in srgb, var(--bg) 70%, transparent); border-color: var(--border-strong);
  backdrop-filter: saturate(170%) blur(18px); -webkit-backdrop-filter: saturate(170%) blur(18px);
  box-shadow: 0 18px 50px -20px rgba(0,0,0,.55);
}
.nav-logo { gap: 12px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text small { font-family: var(--mono); font-size: 0.62rem; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.nav-menu { background: transparent; border-color: transparent; backdrop-filter: none; }
.navbar:not(.scrolled) .nav-menu { background: var(--surface); border-color: var(--border); backdrop-filter: blur(10px); }
.nav-link.hot::after { content: ''; display: inline-block; width: 6px; height: 6px; margin-left: 6px; border-radius: 50%; background: var(--c3); vertical-align: 2px; }
.btn-glow { position: relative; isolation: isolate; }
.btn-glow::before {
  content: ''; position: absolute; inset: -2px; z-index: -1; border-radius: inherit; padding: 2px;
  background: conic-gradient(from var(--a, 0deg), var(--c1), var(--c2), var(--c3), var(--c1));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  animation: glow-rot 4s linear infinite; opacity: .9;
}
@property --a { syntax: '<angle>'; inherits: false; initial-value: 0deg; }
@keyframes glow-rot { to { --a: 360deg; } }

/* =========================================================
   Hero v2
   ========================================================= */
.eyebrow-split { display: inline-flex; align-items: center; gap: 0; padding: 0; overflow: hidden; }
.eyebrow-split > span { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; }
.eyebrow-split > a { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-left: 1px solid var(--border-strong); color: var(--text); font-weight: 500; transition: background-color .2s; }
.eyebrow-split > a:hover { background: color-mix(in srgb, var(--c1) 14%, transparent); }
.eyebrow-split b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 700; }

.hl {
  color: inherit; padding: 0 .08em; border-radius: .12em;
  background: linear-gradient(transparent 62%, color-mix(in srgb, var(--c2) 38%, transparent) 62%, color-mix(in srgb, var(--c1) 38%, transparent) 92%, transparent 92%);
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.hero-name .hl { background-size: 100% 100%; }

.trust { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-top: 30px; font-size: 0.82rem; color: var(--text-muted); }
.trust-label { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; }
.trust a { display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-weight: 500; transition: border-color .2s; }
.trust a:hover { border-color: var(--ok); }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent); }

.hero-coin { position: absolute; left: -7%; bottom: -46px; z-index: 3; transform: translate3d(var(--px, 0), var(--py, 0), 0); transition: transform .6s var(--ease); filter: drop-shadow(0 30px 40px rgba(20,10,60,.55)); }

.stats dd { background: linear-gradient(120deg, var(--text), color-mix(in srgb, var(--text) 55%, var(--c2))); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats div:first-child dd, .stats .stat-key dd { background: var(--grad); -webkit-background-clip: text; background-clip: text; }
.stats .stat-key { position: relative; }
.stats .stat-key::before { content: 'NEW'; position: absolute; top: 14px; right: 16px; font-family: var(--mono); font-size: 0.6rem; letter-spacing: .1em; padding: 2px 6px; border-radius: 6px; color: #fff; background: linear-gradient(120deg, var(--c3), var(--c1)); }

/* Key-feature emphasis */
.feat.key { border-color: color-mix(in srgb, var(--tint) 55%, var(--border)); background: linear-gradient(160deg, color-mix(in srgb, var(--tint) 14%, transparent), transparent 60%), color-mix(in srgb, var(--bg) 40%, transparent); position: relative; }
.feat.key::after { content: '★ Key'; position: absolute; top: 12px; right: 12px; font-family: var(--mono); font-size: 0.62rem; letter-spacing: .06em; padding: 2px 7px; border-radius: 6px; color: #fff; background: var(--tint); }
.live-badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 999px; font-size: 0.66rem; letter-spacing: .08em; color: var(--ok); border: 1px solid color-mix(in srgb, var(--ok) 40%, transparent); background: color-mix(in srgb, var(--ok) 10%, transparent); }
.live-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); animation: pulse 2.2s infinite; box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 60%, transparent); }

/* =========================================================
   Solutions catalog
   ========================================================= */
.sol-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 24px 40px; margin-bottom: 36px; }
.sol-head .section-head { margin-bottom: 0; }
.sol-perks { display: grid; gap: 10px; min-width: 0; }
.sol-perks li { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: var(--text-muted); }
.sol-perks li::before { content: '✓'; display: grid; place-items: center; width: 22px; height: 22px; flex: none; border-radius: 50%; font-size: .7rem; color: #fff; background: var(--grad); }
.sol-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.sol-filter {
  padding: 8px 16px; border-radius: 999px; font: inherit; font-size: 0.86rem; font-weight: 500; cursor: pointer;
  color: var(--text-muted); border: 1px solid var(--border-strong); background: var(--surface); transition: all .2s;
}
.sol-filter:hover { color: var(--text); }
.sol-filter[aria-pressed="true"] { color: #fff; border-color: transparent; background: linear-gradient(120deg, var(--c1), color-mix(in srgb, var(--c1) 50%, var(--c2))); }
.sol-filter span { opacity: .7; margin-left: 4px; font-family: var(--mono); font-size: .75rem; }
.sol-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-flow: dense; gap: 12px; }
.sol {
  position: relative; display: flex; flex-direction: column; gap: 10px; padding: 20px; border-radius: 18px;
  border: 1px solid var(--border); background: var(--surface); transition: border-color .25s, transform .25s var(--ease);
}
.sol:hover { border-color: color-mix(in srgb, var(--tint, var(--c1)) 50%, var(--border)); transform: translateY(-3px); }
.sol[hidden] { display: none; }
.sol-top { display: flex; align-items: center; justify-content: space-between; }
.sol-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; color: var(--tint); background: color-mix(in srgb, var(--tint) 14%, transparent); border: 1px solid color-mix(in srgb, var(--tint) 30%, transparent); }
.sol-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.sol-cat { font-family: var(--mono); font-size: 0.64rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-dim); }
.sol h3 { font-size: 1rem; letter-spacing: -0.01em; }
.sol p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.5; }
.sol.featured { grid-column: span 2; background: linear-gradient(150deg, color-mix(in srgb, var(--tint) 16%, transparent), transparent 60%), var(--surface); border-color: color-mix(in srgb, var(--tint) 40%, var(--border)); }
.sol.featured h3 { font-size: 1.2rem; }
.sol .ready { margin-top: auto; font-family: var(--mono); font-size: 0.68rem; color: var(--ok); }
.sol-cta { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 26px; border-radius: 20px; border: 1px dashed var(--border-strong); }
.sol-cta p { color: var(--text-muted); }
.sol-cta strong { color: var(--text); }

/* =========================================================
   Footer v2
   ========================================================= */
.site-footer { position: relative; overflow: hidden; isolation: isolate; border-top: 1px solid var(--border); padding-top: 72px; background: linear-gradient(180deg, transparent, var(--bg-alt)); }
.site-footer .aurora.a1 { left: -10%; top: auto; bottom: -40%; opacity: calc(var(--aurora-op) * .6); }
.site-footer .aurora.a2 { right: -10%; top: auto; bottom: -50%; opacity: calc(var(--aurora-op) * .6); }
.foot-grid { display: grid; grid-template-columns: 1.5fr repeat(4, minmax(0, 1fr)); gap: 40px; padding-bottom: 56px; }
.foot-brand .nav-logo { font-size: 1.1rem; margin-bottom: 18px; }
.foot-brand p { color: var(--text-muted); font-size: 0.92rem; max-width: 34ch; margin-bottom: 18px; }
.foot-col h4 { font-family: var(--mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 16px; }
.foot-col ul { display: grid; gap: 10px; }
.foot-col a { color: var(--text-muted); font-size: 0.92rem; transition: color .2s; display: inline-flex; align-items: center; gap: 8px; }
.foot-col a:hover { color: var(--text); }
.foot-word {
  display: block; text-align: center; white-space: nowrap; user-select: none; pointer-events: none;
  font-size: clamp(3rem, 13.5vw, 13rem); line-height: .82; font-weight: 700; letter-spacing: -0.06em;
  background: linear-gradient(180deg, color-mix(in srgb, var(--text) 16%, transparent), transparent 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: -0.12em;
}
.foot-bar { position: relative; border-top: 1px solid var(--border); padding: 20px 0 calc(20px + env(safe-area-inset-bottom, 0px)); }
.foot-bar .container { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; font-size: 0.84rem; color: var(--text-muted); }
.foot-bar .edge { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 0.72rem; }
.to-top { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border-strong); background: var(--surface); transition: transform .25s var(--ease), border-color .2s; }
.to-top:hover { transform: translateY(-3px); border-color: var(--accent); }

@media (max-width: 1080px) {
  .sol-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .foot-brand { grid-column: 1 / -1; }
  .hero-coin { left: 0; }
}
@media (max-width: 820px) {
  .logo-text { display: none; }
  .navbar .nav-container { margin: 0 10px; }
  .sol-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-coin .coin { --s: 96px; --t: 10px; }
}
@media (max-width: 560px) {
  .sol-grid { grid-template-columns: 1fr; }
  .sol.featured { grid-column: auto; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .hero-coin .coin { --s: 72px; --t: 8px; }
  .eyebrow-split { flex-wrap: wrap; border-radius: 16px; }
  .eyebrow-split > a { border-left: 0; border-top: 1px solid var(--border-strong); width: 100%; }
  .trust a { font-size: 0.76rem; }
}
@media (prefers-reduced-motion: reduce) { .coin-body { animation: none !important; transform: rotateY(-18deg); } }


/* =========================================================
   Colour emphasis layer
   ========================================================= */
/* Section kicker: numbered pill */
.section-kicker span {
  display: inline-grid; place-items: center; min-width: 30px; height: 22px; padding: 0 8px; border-radius: 999px;
  color: #fff; background: var(--grad); font-weight: 500; letter-spacing: 0;
  box-shadow: 0 6px 16px -6px color-mix(in srgb, var(--c1) 70%, transparent);
}
.section-kicker { color: var(--text); }
.section-kicker::after { background: linear-gradient(90deg, var(--c2), transparent); width: 64px; }

/* Stronger gradient on emphasised words */
h1 .serif, h2 .serif, .cta-title .serif { background: linear-gradient(110deg, var(--c1) 0%, var(--c2) 55%, var(--c3) 110%); -webkit-background-clip: text; background-clip: text; }
.hl { background: linear-gradient(transparent 60%, color-mix(in srgb, var(--c4) 45%, transparent) 60%, color-mix(in srgb, var(--c3) 35%, transparent) 94%, transparent 94%); }

/* Gradient hairline border for important panels */
.gborder { position: relative; }
.gborder::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, color-mix(in srgb, var(--c1) 80%, transparent), transparent 40%, transparent 65%, color-mix(in srgb, var(--c2) 70%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}

/* Key badges in amber for contrast */
.feat.key::after { background: linear-gradient(120deg, var(--c4), color-mix(in srgb, var(--c4) 60%, var(--c3))); color: #1a1200; font-weight: 600; }
.stats .stat-key::before { background: linear-gradient(120deg, var(--c4), var(--c3)); color: #1a1200; font-weight: 600; }
.badge { box-shadow: 0 6px 16px -8px var(--tint); }

/* Bento & principle cards: coloured icon tiles + top glow */
.bento-card { position: relative; }
.bento-card::after { content: ''; position: absolute; left: 24px; right: 24px; top: 0; height: 1px; background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--tint, var(--c1)) 70%, transparent), transparent); }
.bento-icon { background: linear-gradient(140deg, color-mix(in srgb, var(--tint, var(--c1)) 40%, transparent), color-mix(in srgb, var(--c2) 22%, transparent)); border-color: color-mix(in srgb, var(--tint, var(--c1)) 45%, transparent); }
.principle-num { background: linear-gradient(120deg, var(--c4), var(--c3)); -webkit-background-clip: text; background-clip: text; }
.step { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.process li:hover { border-color: color-mix(in srgb, var(--c1) 45%, var(--border)); }
.chips li:first-child { color: var(--text); border-color: color-mix(in srgb, var(--tint, var(--c1)) 50%, var(--border-strong)); background: color-mix(in srgb, var(--tint, var(--c1)) 12%, transparent); }
.nav-link.active { color: #fff; background: linear-gradient(120deg, color-mix(in srgb, var(--c1) 85%, transparent), color-mix(in srgb, var(--c1) 45%, var(--c2))); }
:root[data-theme="light"] .nav-link.active { color: #fff; }

/* =========================================================
   Services & why-book
   ========================================================= */
.why { border-radius: 26px; border: 1px solid var(--border); background:
  radial-gradient(60% 120% at 0% 0%, color-mix(in srgb, var(--c1) 14%, transparent), transparent 60%),
  radial-gradient(50% 120% at 100% 100%, color-mix(in srgb, var(--c2) 12%, transparent), transparent 60%), var(--surface);
  margin-bottom: 28px; overflow: hidden; }
.why-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.why-grid li { padding: 26px 22px; }
.why-grid li + li { border-left: 1px solid var(--border); }
.why-grid b { display: block; font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1;
  background: linear-gradient(110deg, var(--c4), var(--c3) 60%, var(--c1)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.why-k { display: block; font-family: var(--mono); font-size: 0.7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text); margin: 6px 0 8px; }
.why-grid p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.5; }

.svc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.svc { position: relative; display: flex; flex-direction: column; padding: 28px; border-radius: 22px; border: 1px solid var(--border); background: var(--surface); transition: border-color .25s, transform .25s var(--ease); overflow: hidden; }
.svc::before { background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--tint) 18%, transparent), transparent 60%); }
.svc::after { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--tint), transparent); }
.svc:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--tint) 55%, var(--border)); }
.svc-hot { border-color: color-mix(in srgb, var(--tint) 45%, var(--border)); background: linear-gradient(165deg, color-mix(in srgb, var(--tint) 14%, transparent), transparent 55%), var(--surface); }
.svc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.svc-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; color: var(--tint);
  background: color-mix(in srgb, var(--tint) 16%, transparent); border: 1px solid color-mix(in srgb, var(--tint) 40%, transparent);
  box-shadow: 0 10px 24px -12px var(--tint); }
.svc-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.svc-tag { font-family: var(--mono); font-size: 0.64rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; padding: 4px 9px; border-radius: 999px; color: #1a1200; background: linear-gradient(120deg, var(--c4), color-mix(in srgb, var(--c4) 60%, var(--c3))); }
.svc h3 { font-size: 1.25rem; letter-spacing: -0.02em; margin-bottom: 6px; }
.svc > p { color: var(--text-muted); font-size: 0.93rem; margin-bottom: 16px; }
.svc ul { display: grid; gap: 8px; margin-bottom: 22px; }
.svc li { position: relative; padding-left: 24px; font-size: 0.88rem; color: var(--text); }
.svc li::before { content: '✓'; position: absolute; left: 0; top: 1px; display: grid; place-items: center; width: 16px; height: 16px; border-radius: 50%; font-size: .6rem; color: #fff; background: var(--tint); }
.svc-cta { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 0.92rem; color: var(--tint); }
.svc-cta span { transition: transform .25s var(--ease); }
.svc-cta:hover span { transform: translateX(4px); }

/* =========================================================
   Booking panel
   ========================================================= */
.book { text-align: left; padding: 56px; }
.book-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.book .section-kicker { justify-content: flex-start; }
.book .cta-title { font-size: clamp(2rem, 4.2vw, 3.2rem); }
.book .cta-lead { margin: 0 0 26px; }
.book .cta-actions { justify-content: flex-start; margin-top: 28px; }
.book-steps { display: grid; gap: 12px; }
.book-steps li { display: flex; align-items: center; gap: 12px; color: var(--text); font-size: 0.95rem; }
.book-steps b { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; font-size: .8rem; color: #fff; background: var(--grad); flex: none; }

.book-form { display: grid; gap: 16px; padding: 26px; border-radius: 22px; border: 1px solid var(--border-strong);
  background: color-mix(in srgb, var(--surface-solid) 88%, transparent); backdrop-filter: blur(12px); box-shadow: var(--shadow); }
.book-form fieldset { border: 0; }
.book-form legend, .field > span { display: block; font-family: var(--mono); font-size: 0.7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt span { display: inline-block; padding: 8px 13px; border-radius: 999px; font-size: 0.84rem; cursor: pointer; border: 1px solid var(--border-strong); color: var(--text-muted); background: var(--surface); transition: all .2s; }
.opt span:hover { color: var(--text); }
.opt input:checked + span { color: #fff; border-color: transparent; background: linear-gradient(120deg, var(--c1), color-mix(in srgb, var(--c1) 50%, var(--c2))); box-shadow: 0 8px 20px -10px var(--c1); }
.opt input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 0.95rem; color: var(--text); padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--border-strong); background: color-mix(in srgb, var(--bg) 60%, transparent); transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--c1); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c1) 22%, transparent); }
.field .invalid { border-color: var(--c3); }
.btn-block { width: 100%; padding: 15px; font-size: 1rem; }
.form-note { font-size: 0.82rem; color: var(--text-muted); text-align: center; }
.form-note.ok { color: var(--ok); }
.form-note.err { color: var(--c3); }

@media (max-width: 1180px) { .nav-menu .nav-link { padding: 7px 11px; } }
@media (max-width: 1080px) {
  .why-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .why-grid li:nth-child(4) { border-left: 0; }
  .why-grid li:nth-child(n+4) { border-top: 1px solid var(--border); }
  .svc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .book-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .why-grid { grid-template-columns: 1fr 1fr; }
  .why-grid li:nth-child(odd) { border-left: 0; }
  .why-grid li:nth-child(4) { border-left: 1px solid var(--border); }
  .why-grid li:nth-child(n+3) { border-top: 1px solid var(--border); }
  .svc-grid, .row2 { grid-template-columns: 1fr; }
  .book { padding: 26px 18px; }
  .book-form { padding: 18px; }
}

/* =========================================================
   Hero slider
   ========================================================= */
.hero-slider { padding-bottom: 48px; }
.slides { display: grid; }
.slide { grid-area: 1 / 1; visibility: hidden; pointer-events: none; transition: visibility 0s linear .7s; }
.slide.is-active { visibility: visible; pointer-events: auto; transition: visibility 0s; }

/* text: staggered rise + blur */
.slide .anim { opacity: 0; transform: translateY(26px); filter: blur(8px); transition: opacity .5s var(--ease), transform .5s var(--ease), filter .5s var(--ease); }
.slide.is-active .anim { opacity: 1; transform: none; filter: none; transition-duration: .9s; transition-delay: calc(var(--i, 0) * 90ms + 150ms); }

/* art: 3D swing in */
.art3d { position: relative; transform-style: preserve-3d; opacity: 0; transform: perspective(1600px) rotateY(-32deg) rotateX(10deg) translate3d(80px, 0, -220px) scale(.9); transition: opacity .5s var(--ease), transform .7s var(--ease); }
.slide.is-active .art3d { opacity: 1; transform: perspective(1600px) rotateY(0) rotateX(0) translate3d(0, 0, 0) scale(1); transition: opacity 1s var(--ease) .15s, transform 1.3s var(--ease) .1s; }
.slide.is-leaving .art3d { transform: perspective(1600px) rotateY(28deg) rotateX(-6deg) translate3d(-80px, 0, -200px) scale(.92); }
.slide.is-leaving .anim { transform: translateY(-20px); }

.slide-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-family: var(--mono); font-size: 0.76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 22px; }
.slide .hero-name { font-size: clamp(2.4rem, 5.2vw, 4.4rem); }
.slide-points { display: flex; flex-wrap: wrap; gap: 8px; margin: -10px 0 30px; }
.slide-points li { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px; border-radius: 999px; font-size: 0.84rem; font-weight: 500; border: 1px solid var(--border-strong); background: var(--surface); }
.slide-points li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); }

/* shared glass card */
.glass-card {
  position: absolute; display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 16px; white-space: nowrap;
  background: color-mix(in srgb, var(--surface-solid) 78%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-strong); box-shadow: 0 24px 50px -20px rgba(0,0,0,.6);
  transform: translate3d(var(--px, 0), var(--py, 0), 60px); transition: transform .6s var(--ease); animation: bob 6s ease-in-out infinite;
}
.glass-card b { display: block; font-size: 0.86rem; }
.glass-card small { display: flex; align-items: center; gap: 6px; font-size: 0.74rem; color: var(--text-muted); }
.avatar { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; font-size: .74rem; font-weight: 700; color: #fff; background: linear-gradient(140deg, #14b8a6, #22c55e); flex: none; }
.avatar.sms { background: linear-gradient(140deg, #3b82f6, #7c6cff); font-size: .62rem; }

/* Slide 2 — telemedicine */
.art-tele { height: 500px; }
.tele-ring { position: absolute; inset: 8% 6%; border-radius: 50%; border: 1px dashed color-mix(in srgb, #14b8a6 55%, transparent); animation: spin 40s linear infinite; }
.tele-ring::before { content: ''; position: absolute; inset: 14%; border-radius: 50%; background: radial-gradient(closest-side, color-mix(in srgb, #14b8a6 28%, transparent), transparent); filter: blur(10px); }
.tele-screen { position: absolute; left: 6%; right: 6%; top: 60px; border-radius: 16px; overflow: hidden; background: var(--surface-solid); box-shadow: var(--shadow);
  transform: rotateY(-16deg) rotateX(8deg) translate3d(var(--px, 0), var(--py, 0), 0); transition: transform .6s var(--ease); }
.tele-screen img { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: top; }
.g-doc { left: -2%; top: 20px; }
.g-call { right: -2%; top: 46%; animation-delay: -2s; }
.g-call .rec { width: 12px; height: 12px; border-radius: 50%; background: #ef4444; box-shadow: 0 0 0 0 rgba(239,68,68,.6); animation: pulse 1.6s infinite; flex: none; }
.g-rx { left: 4%; bottom: 20px; animation-delay: -4s; }
.rx-big { font-family: var(--serif); font-size: 1.8rem; line-height: 1; color: #14b8a6; }

/* Slide 3 — MJPay phone */
.art-pay { height: 520px; display: grid; place-items: center; }
.phone {
  position: relative; width: 250px; aspect-ratio: 9 / 18.5; border-radius: 38px; padding: 12px;
  background: linear-gradient(145deg, #2a2f3d, #0b0d13); border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.8), inset 0 0 0 2px rgba(255,255,255,.05), 18px 22px 0 -4px color-mix(in srgb, #3b82f6 30%, transparent);
  transform: rotateY(-22deg) rotateX(10deg) rotateZ(2deg) translate3d(var(--px, 0), var(--py, 0), 0); transition: transform .6s var(--ease);
}
.phone-notch { position: absolute; top: 18px; left: 50%; width: 70px; height: 18px; border-radius: 12px; background: #05060a; transform: translateX(-50%); z-index: 2; }
.phone-ui { height: 100%; border-radius: 28px; padding: 44px 16px 16px; background: linear-gradient(180deg, #0b2a6b, #0a1a44); color: #fff; display: flex; flex-direction: column; gap: 9px; font-size: .74rem; }
.pu-head { display: flex; justify-content: space-between; align-items: center; }
.pu-head b { font-size: .95rem; }
.pu-head span { font-size: .62rem; padding: 2px 8px; border-radius: 999px; background: rgba(34,197,94,.2); color: #86efac; }
.pu-shop { color: #a9b8e0; font-size: .7rem; }
.pu-amt { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; }
.pu-wallets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; }
.pu-wallets span { text-align: center; padding: 6px 0; border-radius: 8px; font-size: .6rem; font-weight: 600; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); }
.pu-wallets .on { background: #e2136e; border-color: #e2136e; }
.pu-field { padding: 7px 10px; border-radius: 10px; background: rgba(255,255,255,.07); font-family: var(--mono); font-size: .72rem; }
.pu-field small { display: block; font-family: var(--font); font-size: .58rem; color: #a9b8e0; }
.pu-btn { margin-top: auto; text-align: center; padding: 10px; border-radius: 12px; font-weight: 700; background: #1d4ed8; }
.pu-ok { text-align: center; padding: 8px; border-radius: 10px; font-weight: 600; color: #86efac; background: rgba(34,197,94,.14); animation: okpulse 2.6s ease-in-out infinite; }
@keyframes okpulse { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }
.pay-coin { position: absolute; right: 4%; top: 6%; transform: translate3d(var(--px, 0), var(--py, 0), 90px); transition: transform .6s var(--ease); filter: drop-shadow(0 30px 30px rgba(0,0,0,.5)); }
.coin-taka .coin-face { background: radial-gradient(circle at 32% 24%, rgba(255,255,255,.7), rgba(255,255,255,0) 38%), conic-gradient(from 200deg, #b45309, #fde68a, #f59e0b, #fbbf24, #92400e, #b45309); }
.coin-taka .coin-edge i { background: linear-gradient(90deg, #78350f, #f59e0b 45%, #92400e); }
.coin-taka .coin-face b { font-size: calc(var(--s) * .5); font-weight: 700; }
.g-hook { left: -4%; bottom: 60px; display: block; margin: 0; font-family: var(--mono); font-size: .72rem; line-height: 1.7; color: var(--text-muted); animation-delay: -3s; }
.g-sms { left: 0; top: 40px; animation-delay: -1.5s; }

/* Slide 4 — isometric solution grid */
.art-iso { height: 500px; display: grid; place-items: center; }
.iso-glow { position: absolute; inset: 15%; border-radius: 50%; background: radial-gradient(closest-side, color-mix(in srgb, var(--c4) 22%, transparent), color-mix(in srgb, var(--c1) 12%, transparent) 60%, transparent); filter: blur(20px); }
.iso-grid {
  --tile: 88px; display: grid; grid-template-columns: repeat(3, var(--tile)); gap: 18px; transform-style: preserve-3d;
  transform: rotateX(56deg) rotateZ(-42deg) translate3d(var(--px, 0), var(--py, 0), 0); transition: transform .6s var(--ease);
}
.iso-tile { position: relative; width: var(--tile); height: var(--tile); transform-style: preserve-3d; animation: iso-rise 4.2s ease-in-out infinite; animation-delay: calc(var(--d) * 220ms); }
.iso-top {
  position: absolute; inset: 0; display: grid; place-items: center; border-radius: 14px; transform: translateZ(22px);
  background: linear-gradient(145deg, color-mix(in srgb, var(--tint) 34%, var(--surface-solid)), var(--surface-solid));
  border: 1px solid color-mix(in srgb, var(--tint) 60%, transparent); box-shadow: 0 0 30px -8px var(--tint);
}
.iso-top svg { width: 36px; height: 36px; fill: none; stroke: var(--tint); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transform: rotateZ(42deg); }
.iso-side { position: absolute; background: color-mix(in srgb, var(--tint) 40%, #0b0d13); }
.iso-side.l { left: 0; bottom: 0; width: 100%; height: 22px; transform-origin: bottom; transform: rotateX(-90deg); border-radius: 0 0 8px 8px; }
.iso-side.r { right: 0; top: 0; width: 22px; height: 100%; transform-origin: right; transform: rotateY(90deg); filter: brightness(.7); border-radius: 0 8px 8px 0; }
@keyframes iso-rise { 0%, 100% { transform: translateZ(0); } 50% { transform: translateZ(26px); } }
.g-count { right: 2%; top: 30px; }
.big-num { font-size: 1.9rem !important; font-weight: 800; letter-spacing: -0.03em; background: linear-gradient(120deg, var(--c4), var(--c3)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.g-ship { left: 0; bottom: 40px; animation-delay: -3s; }

/* Controls */
.slider-ui { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 36px; }
.slider-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; flex: 1; max-width: 760px; }
.slider-tab { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; align-items: baseline; padding: 0 0 12px; font: inherit; text-align: left; color: var(--text-muted); background: none; border: 0; cursor: pointer; }
.slider-tab:hover { color: var(--text); }
.st-num { font-family: var(--mono); font-size: 0.72rem; }
.st-label { font-size: 0.88rem; font-weight: 500; }
.st-bar { grid-column: 1 / -1; height: 3px; margin-top: 10px; border-radius: 3px; background: var(--border-strong); overflow: hidden; }
.st-bar i { display: block; height: 100%; width: 100%; transform-origin: 0 50%; transform: scaleX(0); background: linear-gradient(90deg, var(--c1), var(--c2)); }
.slider-tab.is-active { color: var(--text); }
.slider-tab.is-active .st-num { color: var(--c2); }
.slider-tab.is-done .st-bar i { transform: scaleX(1); opacity: .45; }
.hero-slider.is-playing .slider-tab.is-active .st-bar i { animation: st-fill var(--dur, 7s) linear forwards; }
.hero-slider.is-paused .slider-tab.is-active .st-bar i, .hero-slider:not(.is-playing) .slider-tab.is-active .st-bar i { transform: scaleX(1); }
.hero-slider.is-hold .slider-tab.is-active .st-bar i { animation-play-state: paused; }
@keyframes st-fill { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.slider-btns { display: flex; gap: 8px; }
.slider-btns .i-play { display: none; }
.hero-slider.is-paused .slider-btns .i-play { display: block; }
.hero-slider.is-paused .slider-btns .i-pause { display: none; }
.hero-slider .stats { margin-top: 36px; }

@media (max-width: 1080px) {
  .art-tele, .art-pay, .art-iso { height: 440px; max-width: 620px; width: 100%; margin: 0 auto; }
}
@media (max-width: 820px) {
  .st-label { display: none; }
  .slider-tabs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .art-tele, .art-pay, .art-iso { height: 340px; }
  .phone { width: 180px; border-radius: 30px; }
  .phone-ui { border-radius: 22px; padding-top: 36px; gap: 6px; font-size: .64rem; }
  .pu-amt { font-size: 1.25rem; }
  .pay-coin .coin { --s: 84px; --t: 9px; }
  .iso-grid { --tile: 62px; gap: 12px; }
  .iso-top svg { width: 26px; height: 26px; }
  .glass-card { padding: 9px 12px; gap: 8px; }
  .glass-card b { font-size: 0.76rem; }
  .g-hook { font-size: .62rem; bottom: 20px; }
  .g-doc, .g-sms { top: 0; }
  .g-call { top: auto; bottom: 70px; right: 0; }
  .slide .hero-name { font-size: clamp(2.1rem, 9vw, 2.8rem); }
  .slider-ui { margin-top: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .slide .anim, .art3d { transition: none !important; }
}
/* slider depth fixes */
.g-hook { white-space: pre; }
.hero-stage .float-chip { transform: translate3d(var(--px, 0), var(--py, 0), 90px); }
.hero-stage .hero-coin { transform: translate3d(var(--px, 0), var(--py, 0), 120px); }

/* =========================================================
   Language switch
   ========================================================= */
.lang-switch {
  display: inline-flex; align-items: center; padding: 3px; border-radius: 999px; gap: 2px;
  border: 1px solid var(--border-strong); background: var(--surface); font-size: 0.78rem; font-weight: 600;
}
.lang-switch span { padding: 5px 9px; border-radius: 999px; color: var(--text-muted); transition: color .2s, background-color .2s; line-height: 1.2; }
.lang-switch span[lang="bn"], .lang-switch span:last-child { font-family: 'Hind Siliguri', var(--font); }
.lang-switch .is-on { color: #fff; background: linear-gradient(120deg, var(--c1), color-mix(in srgb, var(--c1) 45%, var(--c2))); }
.lang-switch:hover span:not(.is-on) { color: var(--text); }

/* =========================================================
   Bangla typography — premium, colourful
   ========================================================= */
:root[lang="bn"] {
  --font: 'Hind Siliguri', 'Noto Sans Bengali', 'Inter', system-ui, sans-serif;
  --display: 'Anek Bangla', 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
  --serif: 'Tiro Bangla', 'Noto Serif Bengali', Georgia, serif;
  --mono: 'JetBrains Mono', 'Hind Siliguri', ui-monospace, monospace;
}
:root[lang="bn"] body { line-height: 1.85; font-size: 16.5px; }
:root[lang="bn"] :is(h1, h2, h3, h4, .hero-name, .section-title, .cta-title, .project-title, .why-grid b, .stats dd, .logo-text) {
  font-family: var(--display); letter-spacing: 0;
}
:root[lang="bn"] :is(.hero-name, .section-title, .cta-title) { line-height: 1.28; font-weight: 700; }
:root[lang="bn"] .hero-name { font-size: clamp(2.4rem, 5.4vw, 4.6rem); }
:root[lang="bn"] .slide .hero-name { font-size: clamp(2.2rem, 4.8vw, 4.1rem); }
:root[lang="bn"] .project-title { line-height: 1.3; }
:root[lang="bn"] :is(.section-kicker, .project-meta, .slide-kicker, .hero-role, .why-k, .foot-col h4, .facts dt, .summary dt, .sol-cat, .flow-title span, .trust-label, .book-form legend, .field > span, .st-num) {
  letter-spacing: 0.02em; text-transform: none;
}
:root[lang="bn"] .hero-role { font-size: 0.92rem; }
:root[lang="bn"] .marquee-track { font-family: var(--serif); }

/* Colourful shimmering accent words */
:root[lang="bn"] :is(h1, h2) .serif, :root[lang="bn"] .cta-title .serif {
  font-family: var(--serif); font-style: italic; font-weight: 400; padding: 0 .08em .06em;
  background: linear-gradient(100deg, var(--c1) 0%, var(--c2) 25%, var(--c4) 50%, var(--c3) 75%, var(--c1) 100%);
  background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: bn-shimmer 7s linear infinite;
}
@keyframes bn-shimmer { to { background-position: -220% 0; } }
:root[lang="bn"] .hl {
  background: linear-gradient(transparent 58%, color-mix(in srgb, var(--c4) 50%, transparent) 58%, color-mix(in srgb, var(--c3) 40%, transparent) 94%, transparent 94%);
}
:root[lang="bn"] .hero-name .hl { background-size: 100% 100%; padding-bottom: .05em; }
:root[lang="bn"] .stats dd, :root[lang="bn"] .why-grid b { font-weight: 800; }
:root[lang="bn"] .principle-num, :root[lang="bn"] .step { font-family: var(--display); font-style: normal; font-weight: 800; }
:root[lang="bn"] .slide-points li, :root[lang="bn"] .chips li, :root[lang="bn"] .opt span { font-size: 0.9rem; }
@media (prefers-reduced-motion: reduce) { :root[lang="bn"] .serif { animation: none !important; } }
@media (max-width: 560px) { .lang-switch span { padding: 5px 7px; } }
/* Bangla labels: proportional font instead of monospace (mono spaces look gappy in Bangla) */
:root[lang="bn"] :is(.section-kicker, .why-k, .project-meta, .slide-kicker, .hero-role, .trust-label, .svc-tag, .foot-col h4,
  .facts dt, .summary dt, .sol-cat, .flow-title span, .flow-time, .st-num, .book-form legend, .field > span, .ready, .step,
  .portrait-caption span, .logo-text small, .badge, .live-badge, .feat.key::after, .stats .stat-key::before) {
  font-family: var(--font);
}