@import "./tokens.css";

* { box-sizing: border-box; }

/* Honour the iPhone notch/Dynamic Island and Home Indicator. The hero
   already paints edge-to-edge, so the safe areas land inside the
   ambient gradient rather than on top of content. */
body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
          env(safe-area-inset-bottom) env(safe-area-inset-left);
}
@supports not (padding: env(safe-area-inset-top)) {
  body { padding: 0; }
}

/* Disable hover effects on touch — `:hover` lingers on tap and looks
   broken on iOS. */
@media (hover: none) {
  .apps li:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
  }
  .apps li:hover::before { opacity: 0; }
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  line-height: var(--line);
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); }
a:hover { color: var(--accent-strong); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  background: var(--accent);
  color: var(--accent-fg);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  z-index: 1000;
  font-weight: 600;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ======================================================================
   Header
   ====================================================================== */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.9rem 1.5rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
@media (prefers-color-scheme: dark) {
  header.site { background: rgba(11, 13, 21, 0.72); }
}

header.site .brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--fg-strong);
}
header.site .brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

header.site nav ul {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  align-items: center;
}
header.site nav a {
  text-decoration: none;
  color: var(--fg);
  font-weight: 500;
  font-size: 0.96rem;
}
header.site nav a:hover { color: var(--accent); }
header.site nav .cta-header {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-fg) !important;
  font-weight: 600;
}
header.site nav .cta-header:hover { background: var(--accent-strong); }

/* ======================================================================
   Hero
   ====================================================================== */
.hero {
  position: relative;
  color: #f4f6fb;
  background: var(--bg-hero);
  padding: clamp(3rem, 8vw, 6rem) 1.5rem clamp(4.5rem, 10vw, 7rem);
  overflow: hidden;
  isolation: isolate;
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: auto;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  pointer-events: none;
  z-index: -1;
}
.hero::before {
  width: 520px; height: 520px;
  top: -160px; right: -140px;
  background: radial-gradient(circle, var(--magenta) 0%, transparent 70%);
}
.hero::after {
  width: 640px; height: 640px;
  bottom: -260px; left: -160px;
  background: radial-gradient(circle, var(--peach) 0%, transparent 70%);
}

.hero .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 860px) {
  .hero .inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
  }
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.hero .eyebrow .dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(69, 194, 154, 0.25);
}

.hero h1 {
  font-size: clamp(2.1rem, 4.5vw + 0.5rem, 3.8rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  font-weight: 800;
}
.hero h1 .grad {
  background: linear-gradient(90deg, #ffd9a6 0%, #ff8fd1 50%, #9ad2ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero p.lede {
  font-size: clamp(1.05rem, 1vw + 0.75rem, 1.25rem);
  color: rgba(244, 246, 251, 0.86);
  max-width: 58ch;
  margin: 0 0 2rem;
}

.hero .cta-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}
.hero .cta-primary,
.hero .cta-secondary {
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 150ms ease, background 150ms ease;
}
.hero .cta-primary {
  background: #fff;
  color: #111a35;
  box-shadow: var(--shadow);
}
.hero .cta-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}
.hero .cta-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
}
.hero .cta-secondary:hover { background: rgba(255, 255, 255, 0.2); }

.hero .stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.hero .stat {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.hero .stat-num {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero .stat-label {
  font-size: 0.82rem;
  color: rgba(244, 246, 251, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero illustration: an eye-inspired gradient scene, pure CSS */
.hero-art {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 440px;
  width: 100%;
  justify-self: center;
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 65%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 60%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  isolation: isolate;
}
.hero-art::before {
  content: "";
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 45% 42%, #fff 0%, #cfd9ff 18%, #4a6cff 45%, #1a1c4b 72%, #050814 100%);
  filter: blur(0.5px);
  animation: eye-shift 8s ease-in-out infinite;
}
.hero-art::after {
  content: "";
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 55% 45%, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.45) 3%, transparent 6%),
    radial-gradient(circle at 65% 35%, rgba(255, 255, 255, 0.35) 0%, transparent 8%);
  animation: eye-shift 8s ease-in-out infinite;
}
@keyframes eye-shift {
  0%, 100% { transform: translate(0, 0); }
  25%      { transform: translate(-4%, 2%); }
  50%      { transform: translate(3%, -2%); }
  75%      { transform: translate(-1%, 3%); }
}
/* Dwell ring */
.hero-art .ring {
  position: absolute;
  inset: 8%;
  border: 3px dashed rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: ring-rotate 20s linear infinite;
}
@keyframes ring-rotate { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .hero-art::before,
  .hero-art::after,
  .hero-art .ring { animation: none; }
}

/* ======================================================================
   Sections
   ====================================================================== */
main { display: block; }

section {
  padding: clamp(3rem, 6vw, 5rem) 1.5rem;
}
section.alt { background: var(--bg-alt); }

section > .inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.section-head {
  max-width: 720px;
  margin-bottom: 2.5rem;
}
.section-head .kicker {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
@media (prefers-color-scheme: dark) {
  .section-head .kicker { color: var(--accent); }
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; color: var(--fg-strong); }
h1 { font-size: clamp(2rem, 3vw + 1rem, 3rem); margin: 0 0 0.5rem; }
h2 { font-size: clamp(1.5rem, 2vw + 0.9rem, 2.25rem); margin: 0 0 0.75rem; font-weight: 700; }
h3 { font-size: 1.15rem; margin: 0 0 0.5rem; font-weight: 700; }

p { margin: 0 0 1rem; max-width: 65ch; }
.muted { color: var(--muted); }

/* ======================================================================
   App cards (tiles)
   ====================================================================== */
.apps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
  list-style: none;
  padding: 0;
}
.apps li {
  position: relative;
  padding: 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  box-shadow: var(--shadow-sm);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  overflow: hidden;
}
.apps li::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--magenta));
  opacity: 0;
  transition: opacity 180ms ease;
}
.apps li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}
.apps li:hover::before { opacity: 1; }

.apps li .app-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  margin-bottom: 0.25rem;
  /* App icons carry their own coloured tile in the SVG sprite, so
     the wrapper is just a sizing slot. Light glow lift on hover. */
  filter: drop-shadow(0 4px 10px rgba(14, 18, 32, 0.15));
  transition: filter 180ms ease, transform 180ms ease;
}
.apps li .app-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 18px;
}
.apps li:hover .app-icon {
  transform: scale(1.04);
  filter: drop-shadow(0 8px 18px rgba(14, 18, 32, 0.22));
}


.apps li > *:last-child { margin-top: auto; }

.card-cta,
.cta,
.card-status {
  font: inherit;
}

.cta {
  display: inline-block;
  padding: 0.8rem 1.4rem;
  background: var(--accent);
  color: var(--accent-fg);
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  transition: background 150ms ease, transform 120ms ease;
}
.cta:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
  color: var(--accent-fg);
}

.card-cta {
  display: inline-block;
  padding: 0.55rem 1.05rem;
  background: var(--accent);
  color: var(--accent-fg) !important;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 150ms ease, transform 120ms ease;
}
.card-cta:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}
.card-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  background: transparent;
  color: var(--muted);
  border: 1px dashed var(--border-strong);
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
}
.card-status::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--peach);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.3); }
}
@media (prefers-reduced-motion: reduce) {
  .card-status::before { animation: none; opacity: 0.8; }
}

/* ======================================================================
   Feature rows (gaze, augcom, scene, player, gazeplay blurbs)
   ====================================================================== */
.feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.feature img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
@media (min-width: 780px) {
  .feature { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .feature.reverse > :first-child { order: 2; }
}

/* ======================================================================
   Banner (compact CTA row, e.g. for the calibration shortcut)
   ====================================================================== */
.banner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1.5rem 1.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.banner h2 { margin: 0 0 0.25rem; font-size: 1.35rem; }
.banner .muted { margin: 0; }
.banner .card-cta { justify-self: start; white-space: nowrap; }
@media (min-width: 720px) {
  .banner { grid-template-columns: 1fr auto; gap: 2rem; }
  .banner .card-cta { justify-self: end; }
}

/* ======================================================================
   Partners
   ====================================================================== */
#partners .inner p { max-width: 70ch; }

/* ======================================================================
   Footer
   ====================================================================== */
footer.site {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  font-size: 0.95rem;
  color: var(--muted);
  background: var(--bg-alt);
}
footer.site .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
footer.site a { color: var(--fg); text-decoration: none; }
footer.site a:hover { color: var(--accent); }

/* ======================================================================
   Fade-in animations on scroll (respects reduced-motion)
   ====================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms ease, transform 500ms ease;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}