* {
  box-sizing: border-box;
}

:root {
  --bg: #070707;
  --bg-2: #101010;
  --card: rgba(18, 18, 18, 0.9);
  --text: #f5f5f5;
  --text-2: #a4a4a4;
  --accent: #d4ff1f;
  --line: rgba(255, 255, 255, 0.06);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  background: radial-gradient(circle at top, rgba(212, 255, 31, 0.06), transparent 28%), var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

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

img,
video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(7, 7, 7, 0.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.topbar__logo {
  width: 32px;
  height: 32px;
  border-radius: 10px;
}

.topbar__nav {
  display: flex;
  gap: 1rem;
  margin-left: auto;
  color: var(--text-2);
  font-size: 0.9rem;
}

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

.topbar__cta {
  padding: 0.72rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #050505;
  font-weight: 700;
}

.landing {
  width: 100%;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 1rem;
  align-items: center;
  padding: 6.8rem 1.25rem 1.25rem;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video {
  filter: brightness(0.42) saturate(0.85);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(212, 255, 31, 0.12), transparent 30%),
    linear-gradient(90deg, rgba(7, 7, 7, 0.8) 0%, rgba(7, 7, 7, 0.48) 38%, rgba(7, 7, 7, 0.72) 100%),
    linear-gradient(180deg, rgba(7, 7, 7, 0.2), rgba(7, 7, 7, 0.8));
}

.hero__content,
.hero__stack {
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 720px;
  padding: clamp(1rem, 4vw, 3rem);
}

.eyebrow {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.hero h1 {
  margin: 0;
  font-family: "Instrument Serif", serif;
  font-size: clamp(3rem, 7vw, 6.4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  max-width: 12ch;
}

.hero__text {
  max-width: 58ch;
  color: var(--text-2);
  font-size: 1.03rem;
  line-height: 1.7;
  margin: 1.1rem 0 0;
}

.hero__actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
}

.button--primary {
  background: var(--accent);
  color: #070707;
}

.button--secondary {
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.hero__stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  align-self: stretch;
  min-height: 72vh;
  padding-top: 0.5rem;
}

.media-card {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  min-height: 240px;
}

.media-card--video {
  grid-column: span 2;
  min-height: 320px;
}

.media-card span {
  position: absolute;
  left: 0.85rem;
  bottom: 0.85rem;
  z-index: 2;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.6);
  font-size: 0.78rem;
  color: var(--text);
}

.media-card video,
.media-card img {
  transition: transform 0.45s ease;
}

.media-card:hover video,
.media-card:hover img {
  transform: scale(1.04);
}

.gallery,
.modules {
  padding: 1.25rem;
}

.section-head {
  margin-bottom: 1rem;
}

.section-head p {
  margin: 0 0 0.35rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 700;
}

.section-head h2 {
  margin: 0;
  font-family: "Instrument Serif", serif;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1;
}

.gallery__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 28vw);
  gap: 0.9rem;
  overflow: auto hidden;
  padding-bottom: 0.25rem;
  -ms-overflow-style: none;
}

.gallery__rail::-webkit-scrollbar {
  display: none;
}

.gallery__card {
  min-height: 230px;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--card);
}

.gallery__card video,
.gallery__card img {
  transition: transform 0.45s ease;
}

.gallery__card:hover video,
.gallery__card:hover img {
  transform: scale(1.03);
}

.modules__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.module-card {
  padding: 1.1rem;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.module-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.module-card p {
  margin: 0 0 0.85rem;
  color: var(--text-2);
  line-height: 1.55;
  font-size: 0.92rem;
}

.module-card code {
  display: block;
  color: #e8e8e8;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  padding: 0.85rem;
  line-height: 1.55;
  font-size: 0.82rem;
  white-space: pre-wrap;
}

.site-footer {
  border-top: 1px solid rgba(212, 255, 31, 0.35);
  background: rgba(7, 7, 7, 0.95);
  padding: 0.95rem 1.1rem;
}

.site-footer__content {
  display: grid;
  gap: 0.55rem;
}

.site-footer p {
  margin: 0;
  color: #d8d8d8;
  font-size: 0.84rem;
  line-height: 1.45;
  letter-spacing: 0.01em;
  text-align: center;
}

.site-footer__links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer__links a {
  color: #d4ff1f;
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  text-decoration: underline;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero__stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-height: 0;
  }

  .media-card--video {
    grid-column: span 3;
  }

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

@media (max-width: 720px) {
  .topbar {
    gap: 0.65rem;
    padding-inline: 0.8rem;
  }

  .topbar__nav {
    display: none;
  }

  .hero {
    padding-top: 5.8rem;
  }

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

  .media-card--video {
    grid-column: span 2;
  }

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

  .gallery__rail {
    grid-auto-columns: 82vw;
  }

  .site-footer {
    padding: 0.8rem 0.75rem;
  }

  .site-footer p {
    font-size: 0.75rem;
    line-height: 1.4;
  }

  .site-footer__links {
    gap: 0.7rem;
  }

  .site-footer__links a {
    font-size: 0.76rem;
  }
}