:root {
  color-scheme: dark;
  --text-primary: #f7f6ee;
  --text-muted: rgba(247, 246, 238, 0.7);
  --gold: #f6d096;
  --deep-blue: #050a12;
  --navy: #122645;
  --accent: #4bc0c8;
  --passport-thickness: 18px;
  --tiltX: 0deg;
  --tiltY: 0deg;
  --mx: 50%;
  --my: 50%;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  background-color: var(--deep-blue);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
}

.background {
  position: fixed;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  background: radial-gradient(circle at top, rgba(7, 21, 41, 0.6), var(--deep-blue));
}

.slideshow {
  position: absolute;
  inset: 0;
}

.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: blur(10px) saturate(1.1);
  transform: scale(1.08);
  opacity: 0;
  transition: opacity 2.5s ease, transform 12s ease;
}

.slide.is-visible {
  opacity: 1;
  transform: scale(1);
}

.vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at center, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.55));
  z-index: 1;
}

.grain {
  position: absolute;
  inset: -50%;
  background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 2px),
    repeating-linear-gradient(90deg, rgba(0, 0, 0, 0.08) 0, rgba(0, 0, 0, 0.08) 1px, transparent 1px, transparent 2px);
  mix-blend-mode: soft-light;
  opacity: 0.15;
  animation: grainSlide 12s linear infinite;
  z-index: 2;
}

@keyframes grainSlide {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(5%, 5%, 0);
  }
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: clamp(2.5rem, 6vw, 6rem);
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 5vw, 4rem);
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  z-index: 1;
}

.intro {
  max-width: 600px;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.55);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 5vw, 3.75rem);
}

.lede {
  margin: 0;
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--text-muted);
}

.passport-scene {
  perspective: 1600px;
  width: fit-content;
  max-width: 100%;
}

.passport {
  position: relative;
  --passport-width: clamp(240px, 38vw, 360px);
  --passport-height: clamp(320px, 52vw, 500px);
  width: var(--passport-width);
  height: var(--passport-height);
  transform-style: preserve-3d;
  transform: rotateX(var(--tiltX)) rotateY(var(--tiltY));
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.6);
  border-radius: 24px;
}

.passport__cover,
.passport__pages,
.passport__spine {
  position: absolute;
  inset: 0;
  border-radius: 24px;
}

.passport__cover {
  background: linear-gradient(135deg, #091935, #142c58 35%, #0e1c3c 70%, #102542);
  border: 1px solid rgba(246, 208, 150, 0.2);
  padding: clamp(1.5rem, 3vw, 2.3rem);
  transform: translateZ(calc(var(--passport-thickness) / 2));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.passport__cover::before {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.passport__foil {
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-indent: 0.4em;
}

.passport__title {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin: 1.5rem 0 0.5rem;
  font-weight: 600;
}

.passport__subtitle {
  color: rgba(246, 208, 150, 0.8);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin: 0;
}

.passport__emblem {
  width: clamp(120px, 30vw, 160px);
  height: clamp(120px, 30vw, 160px);
  border: 1px solid rgba(246, 208, 150, 0.4);
  border-radius: 50%;
  align-self: center;
  display: grid;
  place-items: center;
  position: relative;
  margin-top: auto;
  margin-bottom: 1.5rem;
}

.passport__emblem span {
  position: absolute;
  width: 70%;
  height: 2px;
  background: rgba(246, 208, 150, 0.5);
}

.passport__emblem span:nth-child(2) {
  transform: rotate(60deg);
}

.passport__emblem span:nth-child(3) {
  transform: rotate(-60deg);
}

.passport__shine {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx) var(--my), rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0) 35%);
  opacity: 0.4;
  mix-blend-mode: screen;
  transition: opacity 0.4s ease;
}

.passport__pages {
  inset: 4px 4px 4px auto;
  width: 98%;
  background: repeating-linear-gradient(90deg, #f3ede2 0, #f3ede2 4px, #d1c8b3 4px, #d1c8b3 6px);
  border-radius: 20px;
  transform: translateZ(calc(var(--passport-thickness) * -0.35));
  filter: drop-shadow(-8px 0 15px rgba(0, 0, 0, 0.35));
}

.passport__spine {
  width: var(--passport-thickness);
  left: calc(var(--passport-thickness) * -0.5);
  background: linear-gradient(90deg, #040c1a, #0a1425, #040c1a);
  border-radius: 24px;
  transform-origin: center;
  transform: rotateY(90deg) translateZ(calc(var(--passport-width) / 2));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.passport::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 24px;
  box-shadow: inset 0 -100px 60px -60px rgba(0, 0, 0, 0.4);
  transform: translateZ(calc(var(--passport-thickness) / 2 + 0.5px));
  pointer-events: none;
}

.actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 420px;
}

.cta {
  border: none;
  border-radius: 99px;
  font-size: 1rem;
  padding: 1rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
  font-weight: 600;
}

.cta-primary {
  background: linear-gradient(120deg, #f6d096, #f4a460);
  color: #2f1c0c;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.cta-primary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.cta-link {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  flex: 1 0 180px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-link:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.5);
  outline-offset: 3px;
}

.actions .cta-primary {
  flex: 1 0 200px;
}

body.is-opening .cta-primary {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

body.is-opening .passport {
  transition: transform 0.6s ease, box-shadow 0.6s ease;
  transform: rotateX(12deg) rotateY(-18deg) translateZ(25px);
}

@media (max-width: 768px) {
  .hero {
    padding: 2rem;
  }

  .passport-scene {
    align-self: center;
  }

  .actions {
    flex-direction: column;
  }

  .cta {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .slide {
    transition: none;
  }

  .passport {
    transform: none !important;
  }
}