:root {
  --color-primary: #f5b301;
  --color-primary-dark: #c28b00;
  --color-secondary: #dbe3ff;
  --color-accent: #ff7792;
  --color-background: #0c1222;
  --color-surface: #161d33;
  --color-elevated: #1d2540;
  --color-text: #e7ebff;
  --color-muted: #a5accf;
  --max-width: 1100px;
  --shadow-soft: 0 18px 45px rgba(4, 9, 24, 0.6);
  --shadow-card: 0 20px 36px rgba(2, 8, 20, 0.65);
  --transition-base: all 0.3s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    "Poppins",
    "Segoe UI",
    system-ui,
    -apple-system,
    sans-serif;
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

a:focus,
a:hover {
  color: var(--color-primary);
}

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

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

header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(12, 18, 34, 0.85);
  border-bottom: 1px solid rgba(219, 227, 255, 0.08);
}

.navbar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-secondary);
  letter-spacing: 0.04em;
}

.brand span {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(245, 179, 1, 0.18);
  font-size: 0.75rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-weight: 500;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(219, 227, 255, 0.22);
  background: var(--color-elevated);
  color: var(--color-secondary);
  cursor: pointer;
  transition: var(--transition-base);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: rgba(219, 227, 255, 0.4);
  box-shadow: 0 0 0 4px rgba(219, 227, 255, 0.08);
}

.nav-toggle span[aria-hidden="true"] {
  position: relative;
  display: block;
  width: 1.4rem;
  height: 2px;
  background: currentColor;
  transition: var(--transition-base);
}

.nav-toggle span[aria-hidden="true"]::before,
.nav-toggle span[aria-hidden="true"]::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: var(--transition-base);
}

.nav-toggle span[aria-hidden="true"]::before {
  transform: translateY(-7px);
}

.nav-toggle span[aria-hidden="true"]::after {
  transform: translateY(7px);
}

.nav-toggle[aria-expanded="true"] span[aria-hidden="true"] {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span[aria-hidden="true"]::before {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span[aria-hidden="true"]::after {
  transform: rotate(-45deg);
}

.nav-links a {
  position: relative;
  padding-bottom: 0.25rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  padding: 6rem 1.5rem 5rem;
  background:
    radial-gradient(
      circle at top left,
      rgba(245, 179, 1, 0.2),
      transparent 50%
    ),
    linear-gradient(120deg, rgba(24, 33, 59, 0.9), rgba(12, 18, 34, 0.9));
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 14, 28, 0.85),
    rgba(10, 14, 28, 0)
  );
  opacity: 0.6;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 1.2rem;
  color: var(--color-secondary);
  line-height: 1.2;
}

.hero-copy p {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 520px;
}

.highlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: rgba(245, 179, 1, 0.22);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
}

.button-primary {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-dark)
  );
  color: #13131a;
  box-shadow: var(--shadow-soft);
}

.button-primary:hover,
.button-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(209, 143, 0, 0.28);
}

.button-secondary {
  background: rgba(91, 123, 211, 0.22);
  color: var(--color-secondary);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(91, 123, 211, 0.32);
}

.hero-visual {
  position: relative;
}

.hero-card {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transform: rotate(-2deg);
  transition: var(--transition-base);
}

.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(18, 19, 26, 0) 45%,
    rgba(18, 19, 26, 0.55)
  );
}

.hero-note {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.05em;
  z-index: 2;
}

.hero-floating-card {
  position: absolute;
  top: -1.8rem;
  right: -2rem;
  background: var(--color-elevated);
  border-radius: 22px;
  padding: 1.4rem;
  box-shadow: var(--shadow-card);
  width: min(260px, 70vw);
  transform: rotate(4deg);
}

.hero-floating-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
  color: var(--color-secondary);
}

.hero-floating-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.section {
  padding: 4.5rem 1.5rem;
}

.world-section {
  position: relative;
  padding-bottom: 6rem;
  margin-bottom: 4.5rem;
  z-index: 1;
}


.timeline-section {
  position: relative;
  background:
    radial-gradient(circle at 12% 10%, rgba(91, 123, 211, 0.18), transparent 55%),
    radial-gradient(circle at 88% -5%, rgba(245, 179, 1, 0.16), transparent 52%),
    linear-gradient(180deg, rgba(16, 23, 45, 0.98), rgba(9, 13, 24, 0.98));
  border-top: 1px solid rgba(219, 227, 255, 0.08);
  box-shadow: 0 -32px 70px rgba(5, 9, 20, 0.55);
  z-index: 2;
}

.section-narrow {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-size: clamp(2rem, 3vw, 2.5rem);
  margin-bottom: 0.75rem;
  color: var(--color-secondary);
}

.section-header p {
  color: var(--color-muted);
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
}

.facts {
  background: linear-gradient(
    140deg,
    rgba(20, 28, 49, 0.92),
    rgba(12, 18, 34, 0.92)
  );
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.4rem;
}

.fact-card {
  background: var(--color-elevated);
  border-radius: 20px;
  padding: 1.8rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(219, 227, 255, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.fact-card h3 {
  margin: 0;
  font-size: 1.8rem;
  color: var(--color-secondary);
}

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

.fact-highlight {
  color: var(--color-primary);
  font-weight: 600;
}

.timeline-card {
  background: var(--color-elevated);
  border-radius: 24px;
  padding: 2.2rem;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(219, 227, 255, 0.06);
  position: relative;
  overflow: hidden;
}

.timeline-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background: linear-gradient(135deg, rgba(219, 227, 255, 0.8), transparent 65%);
}

.timeline-card h3 {
  margin: 0 0 0.8rem;
  font-size: 1.6rem;
  color: var(--color-secondary);
}

.timeline-card p {
  position: relative;
  color: var(--color-muted);
  z-index: 1;
}

.timeline-card:first-child {
  border: 2px solid rgba(245, 179, 1, 0.35);
}

.timeline-list {
  position: relative;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.4rem;
}

.timeline-list li {
  display: grid;
  gap: 0.4rem;
}

.timeline-year {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(91, 123, 211, 0.25);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--color-secondary);
}

.milestones {
  background:
    radial-gradient(
      circle at 15% 20%,
      rgba(245, 179, 1, 0.2),
      transparent 45%
    ),
    radial-gradient(circle at 80% 0%, rgba(48, 67, 120, 0.35), transparent 40%),
    linear-gradient(160deg, #121a30, #0f1528);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
}

.gallery-card {
  background: var(--color-elevated);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(219, 227, 255, 0.05);
  display: flex;
  flex-direction: column;
}

.gallery-card img {
  height: 180px;
  object-fit: cover;
}

.gallery-card .caption {
  padding: 1rem 1.2rem 1.4rem;
}

.gallery-card h4 {
  margin: 0 0 0.4rem;
  color: var(--color-secondary);
  font-size: 1.05rem;
}

.gallery-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.story {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.story-text p {
  color: var(--color-muted);
}

.story-card {
  background: var(--color-elevated);
  border-radius: 24px;
  padding: 2.2rem;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(219, 227, 255, 0.06);
}

.story-card h3 {
  margin-top: 0;
  color: var(--color-secondary);
}

.story-card ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--color-muted);
}

.story-card li + li {
  margin-top: 0.6rem;
}

.contact-section {
  background: linear-gradient(
    135deg,
    rgba(20, 28, 49, 0.9),
    rgba(12, 18, 34, 0.92)
  );
}

.contact-card {
  max-width: 620px;
  margin: 0 auto;
  background: var(--color-elevated);
  border-radius: 22px;
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(219, 227, 255, 0.08);
  text-align: center;
}

.contact-card h3 {
  margin: 0 0 0.8rem;
  color: var(--color-secondary);
}

.contact-card p {
  margin: 0 0 1.8rem;
  color: var(--color-muted);
}

.contact-card a {
  color: var(--color-secondary);
  font-weight: 600;
}

footer {
  padding: 2rem 1.5rem 3rem;
  background: #090d18;
  color: rgba(219, 227, 255, 0.78);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  color: rgba(219, 227, 255, 0.78);
  text-decoration: underline;
  text-decoration-color: rgba(219, 227, 255, 0.38);
}

@media (max-width: 960px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 1.2rem;
    left: 1.2rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding: 1.2rem;
    background: var(--color-elevated);
    border-radius: 18px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(219, 227, 255, 0.12);
  }

  .nav-links a {
    padding: 0.4rem 0.2rem;
  }

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

  .hero-grid,
  .timeline-grid,
  .story {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding-top: 5rem;
  }

  .hero-floating-card {
    position: relative;
    top: auto;
    right: auto;
    margin-top: -2.5rem;
    margin-left: auto;
    transform: rotate(0deg);
  }

  .hero-card {
    transform: rotate(0deg);
  }
}

@media (max-width: 640px) {
  .navbar {
    padding: 1rem 1.2rem;
  }

  .section {
    padding: 3.5rem 1.2rem;
  }

  .world-section {
    padding-bottom: 4.8rem;
    margin-bottom: 3rem;
  }

  .timeline-section {
    box-shadow: 0 -24px 60px rgba(5, 9, 20, 0.5);
  }

  .timeline-card,
  .story-card,
  .contact-card {
    padding: 1.8rem;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

html {
  scroll-behavior: smooth;
}