/* Highlight — shared styles */

:root {
  --color-bg:           #02030F;
  --color-bg-alt:       #050D1A;
  --color-accent:       #007ACC;
  --color-glow:         #0EA5E9;
  --color-glow-bright:  #FFFFFF;
  --color-text:         #FFFFFF;
  --color-text-2:       rgba(255, 255, 255, 0.75);
  --color-text-3:       rgba(255, 255, 255, 0.50);
  --color-dot-grid:     rgba(92, 140, 200, 0.18);
  --color-glass-fill:   rgba(255, 255, 255, 0.05);
  --color-glass-border: rgba(255, 255, 255, 0.08);
  --color-star:         #F5C518;

  --max-w: 1100px;
  --pad-x: 32px;
  --pad-y: 120px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, "SF Pro Display", "SF Pro Text", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
}

a {
  color: var(--color-glow);
  text-decoration: none;
  transition: color 160ms ease;
}

a:hover {
  color: #5ec3f7;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-glow);
  outline-offset: 4px;
  border-radius: 4px;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ============ Page background — dot grid ============ */
.page {
  position: relative;
  isolation: isolate;
}

.page::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, var(--color-dot-grid) 1px, transparent 1px);
  background-size: 36px 36px;
  background-position: 0 0;
  pointer-events: none;
  z-index: -2;
  mask-image: linear-gradient(to bottom, black 0%, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 70%, transparent 100%);
}

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 120px var(--pad-x) 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 28% 50%, rgba(14, 165, 233, 0.10) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 80px;
  align-items: center;
}

.hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin-bottom: 32px;
  box-shadow:
    0 20px 60px rgba(14, 165, 233, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.06);
}

.hero h1 {
  font-size: 72px;
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin: 0 0 28px;
  color: var(--color-text);
}

.hero-descriptor {
  font-size: 20px;
  line-height: 1.5;
  color: var(--color-text-2);
  max-width: 32em;
  margin: 0 0 32px;
}

.social-proof {
  font-size: 14px;
  color: var(--color-text-3);
  margin: 0 0 36px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-proof .stars {
  color: var(--color-star);
  letter-spacing: 1px;
}

.cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-glow);
  color: white;
  border: none;
  font: inherit;
  font-weight: 600;
  font-size: 16px;
  padding: 16px 32px;
  border-radius: 50px;
  cursor: pointer;
  box-shadow:
    0 0 40px rgba(14, 165, 233, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 200ms ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  color: white;
  box-shadow:
    0 0 60px rgba(14, 165, 233, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--color-glow);
  border: 1px solid var(--color-glow);
  font: inherit;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 50px;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.btn-secondary:hover {
  background: rgba(14, 165, 233, 0.10);
  color: #5ec3f7;
}

/* ============ Device frame ============ */
.device-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.device-frame {
  position: relative;
  width: 100%;
  max-width: 340px;
  aspect-ratio: 9 / 19.5;
  border-radius: 44px;
  background: var(--color-bg-alt);
  box-shadow:
    0 60px 120px rgba(0, 0, 0, 0.7),
    0 0 0 1.5px rgba(255, 255, 255, 0.10),
    0 0 0 3px rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.device-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Home indicator */
.device-frame::after {
  content: "";
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.25);
  z-index: 5;
}

.device-caption {
  font-size: 14px;
  color: var(--color-text-3);
  text-align: center;
  margin: 0;
}

/* ============ Features section ============ */
.features {
  position: relative;
  padding: var(--pad-y) var(--pad-x);
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(14, 165, 233, 0.06) 0%, transparent 70%),
    var(--color-bg-alt);
}

.features-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-glass-fill);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(14, 165, 233, 0.10);
  border: 1px solid rgba(14, 165, 233, 0.20);
  color: var(--color-text);
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
}

.feature-card p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-2);
  margin: 0;
}

/* ============ Showcase ============ */
.showcase {
  padding: var(--pad-y) var(--pad-x);
}

.showcase-head {
  max-width: var(--max-w);
  margin: 0 auto 80px;
  text-align: center;
}

.showcase-head h2,
.section-title {
  font-size: 40px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--color-text);
}

.showcase-head p,
.section-sub {
  font-size: 19px;
  color: var(--color-text-2);
  max-width: 36em;
  margin: 0 auto;
  line-height: 1.55;
}

.showcase-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  align-items: start;
}

.showcase-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.showcase-item .device-frame {
  max-width: 260px;
}

/* ============ Footer ============ */
.footer {
  padding: 80px var(--pad-x) 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--color-text-3);
}

.footer-inner .left { justify-self: start; }
.footer-inner .center { justify-self: center; display: flex; gap: 6px; align-items: center; }
.footer-inner .right { justify-self: end; }

.footer-inner .center a {
  color: var(--color-text-2);
}

.footer-inner .center .sep {
  color: var(--color-text-3);
  opacity: 0.6;
}

/* ============ Document pages (privacy/support) ============ */
.doc {
  padding: 140px var(--pad-x) 100px;
  max-width: 680px;
  margin: 0 auto;
}

.doc .eyebrow {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-3);
  margin: 0 0 16px;
}

.doc h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}

.doc .updated {
  font-size: 14px;
  color: var(--color-text-3);
  margin: 0 0 48px;
}

.doc p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-2);
  margin: 0 0 24px;
}

.doc hr {
  border: none;
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
  margin: 56px 0;
}

.doc .doc-cta {
  margin: 32px 0;
}

/* ============ Animations ============ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in, .fade-in.visible {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .btn-primary { transition: none; }
}

/* ============ Responsive ============ */
@media (max-width: 1100px) {
  .hero h1 { font-size: 60px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card:last-child { grid-column: 1 / -1; max-width: 540px; margin: 0 auto; }
  .showcase-grid { grid-template-columns: 1fr; gap: 56px; }
  .showcase-item .device-frame { max-width: 320px; }
}

@media (max-width: 768px) {
  :root { --pad-x: 24px; --pad-y: 80px; }
  .hero {
    padding: 96px var(--pad-x) 64px;
    min-height: auto;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .device-col { order: 2; }
  .hero h1 { font-size: 44px; }
  .hero-descriptor { font-size: 18px; }
  .cta-row { width: 100%; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card:last-child { max-width: none; }
  .section-title, .showcase-head h2 { font-size: 32px; }
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 12px;
  }
  .footer-inner .left,
  .footer-inner .center,
  .footer-inner .right { justify-self: center; }
  .doc h1 { font-size: 36px; }
  .doc { padding: 100px var(--pad-x) 80px; }
}

/* ============ High contrast ============ */
@media (prefers-contrast: more) {
  .feature-card {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(255, 255, 255, 0.10);
    border-color: rgba(255, 255, 255, 0.25);
  }
  :root {
    --color-text-2: rgba(255, 255, 255, 1);
    --color-text-3: rgba(255, 255, 255, 0.85);
  }
}