@font-face {
  font-family: "Tektur";
  src: url("assets/fonts/Tektur-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/InstrumentSans-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "DM Mono";
  src: url("assets/fonts/DMMono-Regular.ttf") format("truetype");
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #050913;
  --bg-elevated: rgba(8, 15, 30, 0.92);
  --surface: rgba(9, 17, 31, 0.88);
  --surface-strong: rgba(15, 25, 46, 0.94);
  --surface-soft: rgba(10, 20, 37, 0.78);
  --border: rgba(111, 146, 192, 0.24);
  --border-strong: rgba(140, 178, 230, 0.4);
  --text: #eff5ff;
  --muted: #a8b8d7;
  --accent: #7cd2ff;
  --accent-2: #f2bf6b;
  --accent-soft: rgba(124, 210, 255, 0.14);
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.42);
  --radius-lg: 28px;
  --radius-md: 22px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 15% 15%, rgba(121, 212, 255, 0.1), transparent 26%),
    radial-gradient(circle at 85% 20%, rgba(242, 191, 107, 0.12), transparent 28%),
    radial-gradient(circle at 50% 0%, rgba(40, 76, 133, 0.18), transparent 32%),
    linear-gradient(180deg, #040812 0%, #06101e 34%, #03070f 100%);
  color: var(--text);
  font-family: "Instrument Sans", sans-serif;
  line-height: 1.6;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background-image:
    linear-gradient(rgba(160, 190, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 190, 255, 0.06) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 74%);
}

body::after {
  background:
    radial-gradient(circle at 12% 22%, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px),
    radial-gradient(circle at 23% 64%, rgba(255, 255, 255, 0.16) 0 1px, transparent 1px),
    radial-gradient(circle at 68% 26%, rgba(255, 255, 255, 0.15) 0 1px, transparent 1px),
    radial-gradient(circle at 84% 70%, rgba(255, 255, 255, 0.1) 0 1px, transparent 1px),
    radial-gradient(circle at 44% 36%, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px);
}

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

a {
  color: inherit;
}

a,
button,
summary {
  transition:
    transform 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease,
    opacity 180ms ease;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 30;
  border-radius: 999px;
  background: #fff;
  color: #000;
  padding: 0.75rem 1rem;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.site-shell {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.topbar.is-scrolled {
  backdrop-filter: blur(18px);
}

.brand-lockup {
  width: min(27rem, 100%);
  filter: drop-shadow(0 16px 34px rgba(0, 0, 0, 0.38));
}

.brand-lockup img {
  width: 100%;
  height: auto;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: rgba(6, 12, 23, 0.85);
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
}

.nav-menu a {
  position: relative;
  border: 1px solid rgba(122, 154, 201, 0.2);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  background: rgba(7, 13, 25, 0.62);
  color: var(--muted);
  text-decoration: none;
}

.nav-menu a:hover,
.nav-menu a[aria-current="true"] {
  color: var(--text);
  border-color: rgba(124, 210, 255, 0.55);
  box-shadow: inset 0 0 0 1px rgba(124, 210, 255, 0.18);
}

.panel {
  background:
    linear-gradient(180deg, rgba(12, 20, 37, 0.95), rgba(6, 12, 22, 0.94)),
    linear-gradient(135deg, rgba(124, 210, 255, 0.03), transparent 45%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 1.5rem;
  margin-top: 0.5rem;
  padding: 1.35rem;
  border-radius: calc(var(--radius-lg) + 4px);
}

.hero-copy,
.hero-visual {
  min-width: 0;
}

.hero-copy {
  padding: 1.25rem;
}

.eyebrow,
.card-label,
.footer-meta code {
  font-family: "DM Mono", monospace;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  font-weight: 400;
}

h1,
h2 {
  font-family: "Tektur", sans-serif;
}

h1 {
  max-width: 11ch;
  font-size: clamp(3rem, 7vw, 5.6rem);
  letter-spacing: -0.04em;
}

h2 {
  max-width: 14ch;
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

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

strong {
  color: var(--text);
}

.hero-dek {
  max-width: 60ch;
  margin-top: 1.2rem;
  font-size: 1.04rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.45rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  border-radius: 999px;
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 600;
}

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

.button-primary {
  background: linear-gradient(135deg, rgba(124, 210, 255, 0.9), rgba(242, 191, 107, 0.9));
  color: #04101c;
  border-color: transparent;
}

.button-secondary {
  background: rgba(10, 18, 34, 0.78);
  color: var(--text);
}

.status-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1.35rem;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: rgba(8, 18, 32, 0.9);
  border: 1px solid rgba(124, 210, 255, 0.18);
  color: var(--text);
}

.status-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(124, 210, 255, 0.65);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.hero-metrics div,
.info-card,
.guide-card,
.media-card,
.video-callout,
.faq-item,
.footer {
  border-radius: var(--radius-md);
}

.hero-metrics div {
  padding: 1rem 1.05rem;
  background: rgba(7, 14, 27, 0.76);
  border: 1px solid rgba(124, 210, 255, 0.12);
}

.hero-metrics dt,
.card-label {
  margin: 0 0 0.5rem;
  color: var(--accent-2);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-metrics dd {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
}

.visual-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  min-height: 100%;
  background: rgba(6, 12, 22, 0.86);
}

.visual-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 46%;
  background: linear-gradient(180deg, rgba(6, 12, 22, 0), rgba(6, 12, 22, 0.88));
  pointer-events: none;
}

.visual-card .card-label,
.visual-card figcaption {
  position: absolute;
  z-index: 1;
  left: 1rem;
}

.visual-card .card-label {
  top: 1rem;
  margin: 0;
  padding: 0.5rem 0.65rem;
  border-radius: 999px;
  background: rgba(4, 8, 18, 0.8);
}

.visual-card img {
  width: 100%;
  height: 100%;
  min-height: 38rem;
  object-fit: cover;
}

.visual-card figcaption {
  right: 1rem;
  bottom: 1rem;
  color: #dce8ff;
  font-size: 0.95rem;
}

.section {
  margin-top: 4.5rem;
}

.section-heading {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}

.section-heading h2 + p {
  max-width: 70ch;
}

.quick-grid,
.guide-grid,
.media-grid {
  display: grid;
  gap: 1rem;
  align-items: start;
}

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

.info-card,
.guide-card,
.media-card,
.video-callout,
.footer {
  padding: 1.15rem;
}

.link-list,
.ordered-list,
.social-grid {
  margin: 1rem 0 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.link-list li + li,
.ordered-list li + li,
.social-grid li + li {
  margin-top: 0.45rem;
}

.link-list a,
.social-grid a,
.media-copy a,
.footer-links a {
  color: var(--text);
  text-decoration-color: rgba(124, 210, 255, 0.4);
}

.link-list a:hover,
.social-grid a:hover,
.media-copy a:hover,
.footer-links a:hover {
  color: var(--accent);
}

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

.guide-card,
.media-card {
  overflow: hidden;
  padding: 0;
}

.guide-card img,
.media-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.guide-card-copy,
.media-copy {
  display: grid;
  gap: 0.75rem;
  padding: 1.1rem;
}

.guide-card-copy p,
.media-copy p {
  min-height: 5.4rem;
}

.media-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.media-copy a {
  font-weight: 600;
}

.video-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 1.2rem;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--accent-2);
  font-size: 1.2rem;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 1.2rem 1.2rem;
}

.footer {
  display: grid;
  gap: 1rem;
  margin-top: 4rem;
}

.footer-copy {
  max-width: 72ch;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
}

.footer-meta {
  color: #d7e3f8;
  font-size: 0.95rem;
}

.footer-meta code {
  padding: 0.15rem 0.35rem;
  border-radius: 0.35rem;
  background: rgba(124, 210, 255, 0.1);
}

@media (max-width: 1100px) {
  .media-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .nav-menu {
    grid-column: 1 / -1;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 1.2rem;
    background: rgba(6, 12, 23, 0.94);
  }

  .nav-menu.is-open {
    display: flex;
  }

  .hero,
  .quick-grid,
  .guide-grid,
  .media-grid,
  .video-callout {
    grid-template-columns: 1fr;
  }

  .video-callout {
    align-items: flex-start;
  }

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

  h1 {
    max-width: 12ch;
  }

  .visual-card img {
    min-height: 26rem;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(var(--max-width), calc(100% - 1rem));
  }

  .hero {
    padding: 0.8rem;
  }

  .hero-copy,
  .info-card,
  .guide-card-copy,
  .media-copy,
  .video-callout,
  .footer {
    padding: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .visual-card figcaption {
    font-size: 0.88rem;
  }
}