:root {
  --bg: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --text: #111111;
  --muted: #6e6e73;
  --line: rgba(17, 17, 17, 0.08);
  --dark: #04070d;
  --dark-surface: rgba(20, 24, 34, 0.9);
  --accent: #0071e3;
  --accent-soft: rgba(0, 113, 227, 0.14);
  --shadow: 0 32px 80px rgba(15, 23, 42, 0.18);
  --radius-xl: 36px;
  --radius-lg: 28px;
  --radius-md: 22px;
  --max-width: 1280px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(105, 190, 255, 0.25), transparent 34%),
    radial-gradient(circle at 80% 20%, rgba(117, 224, 184, 0.14), transparent 24%),
    linear-gradient(180deg, #fbfbfd 0%, #edf1f6 52%, #eef2f8 100%);
}

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

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 4vw, 48px);
  backdrop-filter: saturate(180%) blur(20px);
  background: rgba(245, 245, 247, 0.72);
  border-bottom: 1px solid rgba(17, 17, 17, 0.04);
}

.brand,
.topnav a {
  letter-spacing: -0.02em;
}

.brand {
  font-size: 1rem;
  font-weight: 600;
}

.topnav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

.stealth-entry {
  position: fixed;
  top: 12px;
  right: 14px;
  z-index: 11;
  opacity: 0.12;
  font-size: 18px;
  line-height: 1;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.stealth-entry:hover {
  opacity: 0.45;
  transform: scale(1.12);
}

.section {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto 18px;
  padding: clamp(40px, 7vw, 88px);
  border-radius: var(--radius-xl);
}

.section-dark {
  background:
    radial-gradient(circle at top, rgba(75, 143, 255, 0.18), transparent 30%),
    linear-gradient(160deg, #0b0f17 0%, #0d1521 50%, #08111d 100%);
  color: #f5f5f7;
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  min-height: calc(100vh - 112px);
  overflow: hidden;
}

.hero-copy h1,
.statement-panel h2,
.feature-copy h2,
.metrics-header h2,
.showcase-copy h2,
.cta-panel h2 {
  margin: 0;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.hero-copy h1 {
  max-width: 10ch;
  font-size: clamp(3.2rem, 9vw, 6.8rem);
}

.lead,
.statement-panel p,
.feature-copy p,
.feature-card p,
.metric p,
.showcase-copy p,
.showcase-card p,
.cta-panel p {
  color: inherit;
  opacity: 0.82;
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.6;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-dark .eyebrow {
  color: #7dc4ff;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 0.98rem;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: #ffffff;
  color: #0b0f17;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #f5f5f7;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.device-stage {
  position: relative;
  min-height: 600px;
}

.device {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.3);
  transform: translate3d(0, calc(var(--scroll-shift, 0px) * 0.18), 0);
}

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

.device-large {
  inset: 6% 6% 12% 12%;
}

.device-small {
  right: 0;
  bottom: 0;
  width: 38%;
  aspect-ratio: 0.82;
}

.statement {
  padding-top: 32px;
}

.statement-panel,
.feature-card,
.metric,
.cta-panel {
  background: var(--surface);
  backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.48);
  box-shadow: var(--shadow);
}

.statement-panel {
  padding: clamp(30px, 5vw, 64px);
  border-radius: var(--radius-xl);
  text-align: center;
}

.statement-panel h2 {
  max-width: 14ch;
  margin: 0 auto 20px;
  font-size: clamp(2.2rem, 7vw, 4.8rem);
}

.statement-panel p {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.feature-card h3 {
  margin: 0 0 14px;
  font-size: 1.9rem;
  letter-spacing: -0.04em;
}

.feature-card-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 0.95fr 1.1fr;
  gap: 26px;
  align-items: center;
}

.feature-copy h2 {
  margin-bottom: 18px;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
}

.feature-media {
  overflow: hidden;
  min-height: 400px;
  border-radius: calc(var(--radius-lg) - 4px);
}

.feature-media img {
  height: 100%;
  object-fit: cover;
}

.metrics-header {
  max-width: 720px;
  margin-bottom: 24px;
}

.metrics-header h2 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.metric {
  min-height: 250px;
  padding: 28px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.06);
}

.metric span {
  display: inline-block;
  margin-bottom: 26px;
  color: #7dc4ff;
  font-size: 0.9rem;
  letter-spacing: 0.16em;
}

.metric h3,
.showcase-card h3 {
  margin: 0 0 14px;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.showcase {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
}

.showcase-copy,
.showcase-card {
  padding: clamp(28px, 4vw, 42px);
  border-radius: var(--radius-xl);
  background: var(--surface-strong);
  border: 1px solid rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow);
}

.showcase-copy h2,
.cta-panel h2 {
  margin-bottom: 18px;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
}

.showcase-stack {
  display: grid;
  gap: 18px;
}

.showcase-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: center;
}

.showcase-card img {
  height: 100%;
  min-height: 220px;
  border-radius: 24px;
  object-fit: cover;
}

.cta-panel {
  padding: clamp(36px, 6vw, 72px);
  text-align: center;
  border-radius: var(--radius-xl);
}

.contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  justify-content: center;
  margin-top: 26px;
  color: var(--muted);
  font-size: 1rem;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(var(--max-width), calc(100% - 32px));
  padding: 0 6px 34px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.94rem;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
}

.reveal.is-visible {
  animation: rise-in 0.9s ease both;
}

@keyframes rise-in {
  from {
    opacity: 0.38;
    transform: translateY(28px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .hero,
  .showcase,
  .feature-card-wide {
    grid-template-columns: 1fr;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    min-height: auto;
  }

  .device-stage {
    min-height: 520px;
    margin-top: 18px;
  }
}

@media (max-width: 760px) {
  .topbar,
  .footer,
  .showcase-card,
  .feature-grid,
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    gap: 12px;
  }

  .topnav {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .section {
    width: min(var(--max-width), calc(100% - 18px));
    padding: 28px 22px;
    border-radius: 28px;
  }

  .feature-grid,
  .metrics-grid,
  .showcase-stack {
    display: grid;
    gap: 14px;
  }

  .device-stage {
    min-height: 380px;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 13vw, 3.8rem);
    overflow-wrap: anywhere;
  }

  .device-large {
    inset: 0 0 20% 0;
  }

  .device-small {
    width: 46%;
  }

  .showcase-card {
    display: block;
  }

  .showcase-card img {
    margin-bottom: 18px;
  }

  .footer {
    flex-direction: column;
    padding-bottom: 24px;
  }
}