/* ==========================================================
   PixelSora Labs — liquid glass / spatial UI
   ========================================================== */

:root {
  --bg: #07071A;
  --bg-2: #0E0B2B;
  --ink: #F4F3FF;
  --ink-2: #B9B6D9;
  --ink-3: #7E7AA6;

  --violet: #8B6CFF;
  --blue: #4F7BFF;
  --cyan: #22D3EE;
  --peach: #FFB36B;
  --pink: #FF7AC6;

  --grad: linear-gradient(120deg, var(--violet), var(--blue) 50%, var(--cyan));
  --grad-warm: linear-gradient(120deg, #FFE3B8, var(--peach) 40%, var(--pink));

  --glass-bg: linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.03));
  --glass-border: rgba(255,255,255,.16);
  --glass-hi: rgba(255,255,255,.45);
  --shadow: 0 30px 60px -20px rgba(4, 2, 30, .7), 0 10px 25px -10px rgba(40, 20, 120, .45);

  --r-lg: 28px;
  --r-md: 20px;
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }

::selection { background: rgba(139,108,255,.45); }

/* ---------- Spatial backdrop ---------- */
.scene {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background:
    radial-gradient(1200px 700px at 80% -10%, #1D1660 0%, transparent 60%),
    radial-gradient(900px 600px at -10% 110%, #0B2A4A 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
}
.orb {
  position: absolute; border-radius: 50%; filter: blur(60px); opacity: .75;
  will-change: transform;
  transform: translate(var(--px, 0px), var(--py, 0px));
}
.orb-a { width: 520px; height: 520px; top: -120px; right: -80px; background: radial-gradient(circle at 30% 30%, var(--violet), transparent 70%); animation: drift 18s ease-in-out infinite; }
.orb-b { width: 460px; height: 460px; bottom: -140px; left: -100px; background: radial-gradient(circle at 60% 40%, var(--cyan), transparent 70%); animation: drift 22s ease-in-out infinite reverse; }
.orb-c { width: 300px; height: 300px; top: 45%; left: 55%; background: radial-gradient(circle, var(--peach), transparent 70%); opacity: .35; animation: drift 26s ease-in-out infinite; }

@keyframes drift {
  0%, 100% { translate: 0 0; }
  33% { translate: 40px 60px; }
  66% { translate: -50px 20px; }
}

.grid-floor {
  position: absolute; left: -50%; right: -50%; bottom: -10%; height: 60%;
  background-image:
    linear-gradient(rgba(139,108,255,.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,108,255,.18) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(600px) rotateX(70deg);
  transform-origin: bottom;
  mask-image: linear-gradient(to top, #000 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(to top, #000 0%, transparent 85%);
  animation: floor 8s linear infinite;
}
@keyframes floor { to { background-position: 0 64px; } }

#pixels { position: absolute; inset: 0; width: 100%; height: 100%; }

/* ---------- Liquid glass ---------- */
.glass, .glass-strong {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(170%);
  -webkit-backdrop-filter: blur(18px) saturate(170%);
  box-shadow:
    inset 0 1px 0 var(--glass-hi),
    inset 0 -1px 0 rgba(255,255,255,.06),
    var(--shadow);
  isolation: isolate;
}
.glass-strong {
  background: linear-gradient(145deg, rgba(255,255,255,.16), rgba(255,255,255,.04));
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
}
/* specular rim that follows the pointer (--mx / --my set in JS) */
.glass::before, .glass-strong::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: -1;
  background: radial-gradient(420px circle at var(--mx, 30%) var(--my, 0%), rgba(255,255,255,.22), transparent 45%);
  opacity: .9; transition: opacity .4s;
}
/* gradient edge refraction */
.glass::after, .glass-strong::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,.55), rgba(139,108,255,.25) 35%, transparent 55%, rgba(34,211,238,.35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
}

/* ---------- Nav ---------- */
.nav-wrap { position: fixed; top: 16px; left: 0; right: 0; z-index: 50; padding: 0 16px; }
.nav {
  max-width: 1120px; margin: 0 auto; border-radius: 999px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px 10px 16px;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; letter-spacing: -.01em; }
.brand b { font-weight: 600; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-left: 2px; }
.brand img { filter: drop-shadow(0 4px 12px rgba(139,108,255,.6)); }
.brand.small { font-size: .95rem; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a { display: block; padding: 8px 16px; border-radius: 999px; color: var(--ink-2); font-size: .93rem; font-weight: 500; transition: color .25s, background .25s; }
.nav-links a:hover { color: var(--ink); background: rgba(255,255,255,.08); }
.nav-links .pill { color: var(--ink); background: rgba(255,255,255,.12); box-shadow: inset 0 1px 0 rgba(255,255,255,.35); }

.menu-btn { display: none; width: 42px; height: 42px; border-radius: 50%; position: relative; }
.menu-btn span { position: absolute; left: 12px; right: 12px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .3s var(--ease); }
.menu-btn span:first-child { top: 16px; }
.menu-btn span:last-child { top: 24px; }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Layout ---------- */
main { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.section { padding: 110px 0 20px; }
.section-head { max-width: 640px; margin-bottom: 44px; }
.kicker { display: inline-block; font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); margin-bottom: 12px; }

h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -.02em; line-height: 1.12; }
h1 { font-size: clamp(2.6rem, 6.2vw, 4.6rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; margin: 14px 0 8px; }
h4 { font-size: 1.08rem; font-weight: 600; margin: 10px 0 6px; }
p { color: var(--ink-2); }

.shine {
  background: linear-gradient(100deg, var(--violet), var(--cyan) 35%, #fff 50%, var(--peach) 65%, var(--violet));
  background-size: 250% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 7s linear infinite;
}
@keyframes shine { to { background-position: -250% 0; } }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh; min-height: 100svh;
  display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 40px;
  padding-top: 110px;
}
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px; font-size: .85rem; color: var(--ink-2); margin-bottom: 24px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 0 rgba(34,211,238,.6); animation: pulse 2.2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(34,211,238,0); } 100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); } }
.lede { font-size: 1.12rem; max-width: 520px; margin: 22px 0 34px; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: .98rem; transition: transform .3s var(--ease), box-shadow .3s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: inset 0 1px 0 rgba(255,255,255,.5), 0 14px 30px -10px rgba(79,123,255,.8); }
.btn-primary:hover { box-shadow: inset 0 1px 0 rgba(255,255,255,.5), 0 18px 40px -10px rgba(34,211,238,.8); }
.btn-glass { color: var(--ink); }

/* Spatial stage */
.hero-stage { position: relative; height: 560px; perspective: 1200px; transform-style: preserve-3d; }
.device {
  position: absolute; left: 50%; top: 50%; width: 260px; height: 520px; margin: -260px 0 0 -130px;
  border-radius: 44px; padding: 14px; transform-style: preserve-3d;
  animation: bob 7s ease-in-out infinite;
}
@keyframes bob { 50% { translate: 0 -14px; } }
.device-notch { position: absolute; top: 22px; left: 50%; width: 80px; height: 22px; margin-left: -40px; border-radius: 999px; background: rgba(5,4,20,.75); z-index: 2; }
.device-screen {
  height: 100%; border-radius: 32px; padding: 70px 22px 22px; overflow: hidden;
  background:
    radial-gradient(240px 200px at 80% 10%, rgba(139,108,255,.55), transparent 70%),
    radial-gradient(240px 220px at 10% 90%, rgba(34,211,238,.4), transparent 70%),
    rgba(10,8,34,.6);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.device-logo { width: 84px; height: 84px; filter: drop-shadow(0 12px 24px rgba(139,108,255,.7)); margin-bottom: 18px; }
.skeleton { height: 12px; border-radius: 6px; background: rgba(255,255,255,.18); }
.w70 { width: 70%; } .w45 { width: 45%; }
.mini-tiles { margin-top: auto; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mini-tiles span { aspect-ratio: 1; border-radius: 18px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.14); box-shadow: inset 0 1px 0 rgba(255,255,255,.3); }
.mini-tiles span:nth-child(1) { background: linear-gradient(145deg, rgba(139,108,255,.6), rgba(139,108,255,.15)); }
.mini-tiles span:nth-child(4) { background: linear-gradient(145deg, rgba(34,211,238,.55), rgba(34,211,238,.12)); }

.float-card {
  position: absolute; display: flex; align-items: center; gap: 12px;
  padding: 12px 18px 12px 12px; border-radius: var(--r-md); white-space: nowrap;
  background: linear-gradient(145deg, rgba(40,32,96,.72), rgba(16,14,48,.6));
  backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%);
  transform: translate3d(var(--px, 0px), var(--py, 0px), 80px);
}
.float-card b { display: block; font-size: .92rem; font-weight: 600; }
.float-card small { color: var(--ink-2); font-size: .78rem; }
.fc-icon { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; font-size: 1rem; background: rgba(255,255,255,.12); box-shadow: inset 0 1px 0 rgba(255,255,255,.35); }
.fc-1 { top: 70px; left: 0; animation: bob 6s ease-in-out infinite .5s; }
.fc-2 { top: 260px; right: -10px; animation: bob 8s ease-in-out infinite 1s; }
.fc-3 { bottom: 60px; left: 30px; animation: bob 7s ease-in-out infinite 2s; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { border-radius: var(--r-lg); padding: 30px; transform-style: preserve-3d; transition: transform .5s var(--ease); }
.card > * { transform: translateZ(30px); }
.card-icon { width: 56px; height: 56px; border-radius: 18px; display: grid; place-items: center; box-shadow: inset 0 1px 0 rgba(255,255,255,.55), 0 12px 24px -8px rgba(0,0,0,.5); }
.card-icon svg { width: 26px; height: 26px; fill: #fff; }
.ic-violet { background: linear-gradient(145deg, #A48BFF, #6A4CF0); }
.ic-cyan { background: linear-gradient(145deg, #5BE3F5, #1590C9); }
.ic-peach { background: linear-gradient(145deg, #FFD29B, #FF8A7A); }
.badge { display: inline-block; margin-top: 22px; padding: 4px 10px; border-radius: 999px; font-size: .74rem; font-weight: 600; color: var(--ink); background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.14); }

/* ---------- Craft ---------- */
.craft { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.craft-item { border-radius: var(--r-md); padding: 26px; transition: transform .4s var(--ease); }
.craft-item:hover { transform: translateY(-6px); }
.num { font-family: var(--font-display); font-weight: 700; font-size: .9rem; background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; color: transparent; }
.craft-item p { font-size: .94rem; }

/* ---------- About ---------- */
.about-card { border-radius: 36px; padding: 48px; display: grid; grid-template-columns: auto 1fr; gap: 40px; align-items: center; transform-style: preserve-3d; transition: transform .5s var(--ease); }
.about-logo { width: 120px; height: 120px; filter: drop-shadow(0 20px 40px rgba(139,108,255,.6)); animation: bob 6s ease-in-out infinite; transform: translateZ(40px); }
.about-card h2 { margin-bottom: 16px; }
.about-card p + p { margin-top: 12px; }
.about-card b { color: var(--ink); }

/* ---------- Contact ---------- */
.contact { border-radius: 36px; padding: 64px 32px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.contact h2 { margin-bottom: 10px; }
.mail {
  display: inline-flex; align-items: center; gap: 12px; margin-top: 30px;
  padding: 18px 30px; border-radius: 999px;
  font-family: var(--font-display); font-weight: 600; font-size: clamp(1rem, 2.6vw, 1.35rem);
  transition: transform .3s var(--ease);
  max-width: 100%; overflow-wrap: anywhere;
}
.mail:hover { transform: translateY(-3px) scale(1.02); }
.mail svg { color: var(--cyan); flex-shrink: 0; }
.copy-btn { margin-top: 16px; font-size: .88rem; color: var(--ink-3); padding: 6px 12px; border-radius: 999px; transition: color .2s, background .2s; }
.copy-btn:hover { color: var(--ink); background: rgba(255,255,255,.08); }

/* ---------- Footer ---------- */
.footer { padding: 90px 16px 24px; }
.footer-inner { max-width: 1120px; margin: 0 auto; border-radius: 24px; padding: 18px 24px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.footer nav { display: flex; gap: 22px; }
.footer nav a, .footer small { color: var(--ink-3); font-size: .9rem; transition: color .2s; }
.footer nav a:hover { color: var(--ink); }

/* ---------- Toast ---------- */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 30px); opacity: 0; padding: 12px 20px; border-radius: 999px; font-size: .9rem; transition: all .4s var(--ease); pointer-events: none; z-index: 60; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; translate: 0 40px; filter: blur(8px); transition: opacity .9s var(--ease), translate .9s var(--ease), filter .9s var(--ease); }
.reveal.in { opacity: 1; translate: 0 0; filter: blur(0); }

/* ---------- Legal page ---------- */
.legal { max-width: 820px; margin: 0 auto; padding: 130px 16px 0; }
.legal-card { border-radius: 32px; padding: 48px; }
.legal-card h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 8px; }
.legal-card h2 { font-size: 1.3rem; margin: 32px 0 10px; }
.legal-card p, .legal-card li { color: var(--ink-2); }
.legal-card ul { padding-left: 22px; margin-top: 8px; }
.legal-card li + li { margin-top: 6px; }
.legal-card a { color: var(--cyan); }
.legal-card .updated { color: var(--ink-3); font-size: .9rem; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 130px; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .cta-row { justify-content: center; }
  .hero-stage { height: 520px; max-width: 420px; width: 100%; margin: 0 auto; }
  .cards { grid-template-columns: 1fr; }
  .craft { grid-template-columns: repeat(2, 1fr); }
  .about-card { grid-template-columns: 1fr; text-align: center; justify-items: center; padding: 36px 24px; }
}

@media (max-width: 720px) {
  .menu-btn { display: block; }
  .nav { border-radius: 26px; flex-wrap: wrap; }
  .nav-links {
    order: 3; flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 2px;
    max-height: 0; overflow: hidden; transition: max-height .4s var(--ease), padding .4s;
  }
  .nav.open .nav-links { max-height: 260px; padding-top: 10px; }
  .nav-links a { padding: 12px 16px; }
  .craft { grid-template-columns: 1fr; }
  .float-card { transform: translate3d(var(--px, 0px), var(--py, 0px), 80px) scale(.88); }
  .fc-2 { right: -6px; }
  .legal-card { padding: 30px 20px; }
}

@media (max-width: 420px) {
  .hero-stage { height: 480px; }
  .device { width: 220px; height: 450px; margin: -225px 0 0 -110px; }
  .fc-1 { left: -8px; } .fc-3 { left: 0; }
  .contact { padding: 48px 18px; }
  .mail { padding: 16px 20px; font-size: .95rem; overflow-wrap: normal; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; translate: 0 0; filter: none; }
}