:root {
  --font-title: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;

  --bg: #050b17;
  --bg-elev: #0b1530;
  --bg-soft: #111d3d;
  --text: #ecf2ff;
  --muted: #9db0d8;
  --line: #233a66;
  --accent: #34d3b7;
  --accent-strong: #2da7ff;
  --btn-text: #04142a;
  --shadow: 0 14px 40px rgba(1, 8, 20, 0.45);
}

:root[data-theme="light"] {
  --bg: #eef4ff;
  --bg-elev: #f8fbff;
  --bg-soft: #e5eefb;
  --text: #162946;
  --muted: #4f6890;
  --line: #bfd0ec;
  --accent: #0fae9d;
  --accent-strong: #2f7dff;
  --btn-text: #ffffff;
  --shadow: 0 12px 28px rgba(18, 40, 74, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60rem 38rem at 8% -5%, rgba(47, 125, 255, 0.22), transparent 58%),
    radial-gradient(48rem 30rem at 95% 5%, rgba(15, 174, 157, 0.2), transparent 60%),
    linear-gradient(160deg, var(--bg), #071328 52%, #081833);
}

:root[data-theme="light"] .page-bg {
  background:
    radial-gradient(52rem 30rem at 8% -5%, rgba(47, 125, 255, 0.16), transparent 60%),
    radial-gradient(38rem 24rem at 95% 5%, rgba(15, 174, 157, 0.15), transparent 60%),
    linear-gradient(180deg, #eef4ff, #e7f0fe 55%, #edf5ff);
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: color-mix(in srgb, var(--bg-elev) 68%, transparent);
  backdrop-filter: blur(10px);
}

:root[data-theme="light"] .site-header {
  border-bottom-color: rgba(22, 41, 70, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--text);
}

.theme-toggle {
  margin-left: 0.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.theme-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #ffd66e, #ffaf3f);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--line) 50%, transparent);
}

:root[data-theme="light"] .theme-dot {
  background: linear-gradient(180deg, #17336a, #2f7dff);
}

main {
  padding-bottom: 3.5rem;
}

.section,
.hero {
  margin-top: 5rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.2rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-title);
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  letter-spacing: -0.02em;
}

.lead {
  margin: 1rem 0 1.6rem;
  color: var(--muted);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.8rem;
  padding: 0.75rem 1.1rem;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  color: var(--btn-text);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
}

.btn-ghost {
  color: var(--text);
  background: var(--bg-soft);
  border-color: var(--line);
}

.hero-metrics {
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.hero-metrics li {
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 85%, transparent);
  border-radius: 0.85rem;
}

.hero-metrics strong {
  display: block;
  font-size: 0.95rem;
}

.hero-metrics span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 0.2rem;
}

.section-head {
  margin-bottom: 1.3rem;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.7vw, 2.3rem);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.95rem;
}

.feature-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  box-shadow: var(--shadow);
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 0.45rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.media-video {
  grid-column: 1 / -1;
}

.media-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  overflow: hidden;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  box-shadow: var(--shadow);
}

.media-img,
.media-card video {
  display: block;
  width: 100%;
  min-height: 220px;
  object-fit: cover;
  background: var(--bg-soft);
}

.media-card figcaption {
  padding: 0.72rem 0.85rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.media-placeholder {
  min-height: 230px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  color: var(--muted);
  font-weight: 700;
  border-bottom: 1px solid var(--line);
}

.tech-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.chip {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font-weight: 700;
  font-size: 0.88rem;
}

.cta {
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  padding: 2rem 1rem;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  box-shadow: var(--shadow);
}

.cta p {
  color: var(--muted);
  margin: 0.7rem 0 1.2rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 85%, transparent);
}

.footer-inner {
  padding: 1rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
}

.footer-links a:hover {
  color: var(--text);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

  .hero-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .nav {
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    margin: 0;
    justify-content: flex-start;
    padding-top: 0.3rem;
    overflow-x: auto;
  }

  .theme-toggle {
    margin-left: auto;
  }

  .section,
  .hero {
    margin-top: 3.5rem;
  }

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

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}