/* ============================================
   SILENCE — King Baldwin IV
   ============================================ */

:root {
  --color-bg: #000000;
  --color-bg-alt: #000000;
  --color-bg-card: #0a0a0a;
  --color-surface: #0a0a0a;
  --color-border: #222222;
  --color-text: #ffffff;
  --color-text-muted: #999999;
  --color-accent: #ffffff;
  --color-accent-dim: rgba(255, 255, 255, 0.1);
  --color-accent-glow: rgba(255, 255, 255, 0.2);
  --font-display: 'Cinzel', serif;
  --font-body: 'Cormorant Garamond', serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: var(--transition);
  background: transparent;
}

.nav.scrolled {
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

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

.nav-links a:hover::after {
  width: 100%;
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: #000000;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}


.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 1s 0.6s forwards;
}

.hero-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.5);
  padding: 1rem 2rem;
  transition: var(--transition);
  backdrop-filter: blur(4px);
  background: rgba(255, 255, 255, 0.05);
}

.hero-btn:hover {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

.btn-x {
  width: 50px;
  height: 50px;
  padding: 0;
}

.btn-buy {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 700;
}

.btn-buy:hover {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-htb {
  border-color: rgba(255, 255, 255, 0.5);
}

.hero-ca {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  animation: fadeUp 1s 2.1s forwards;
}

.ca-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.3rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.ca-address {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.03em;
  user-select: all;
  cursor: pointer;
  transition: color var(--transition);
}

.ca-address:hover {
  color: #ffffff;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-indicator span {
  display: block;
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s infinite;
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  padding: 7rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.title-bar {
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin: 1.5rem auto 0;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.section-about {
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.about-text .lead {
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.9;
}

.image-frame {
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  position: relative;
}

.image-frame::before {
  content: '';
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border: 1px solid var(--color-accent-dim);
  pointer-events: none;
}

.mask-image {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%);
  transition: filter var(--transition);
}

.image-frame:hover .mask-image {
  filter: grayscale(60%);
}

/* ============================================
   CARDS
   ============================================ */

.section-cards {
  background: var(--color-bg-alt);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 2.5rem 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  border-color: var(--color-accent-dim);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px var(--color-accent-dim);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.card:hover .card-icon {
  opacity: 1;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.card-text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ============================================
   TIMELINE
   ============================================ */

.section-timeline {
  background: var(--color-bg);
}

.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 3rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-border), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -3rem;
  top: 0.3rem;
  width: 9px;
  height: 9px;
  background: var(--color-bg);
  border: 1.5px solid var(--color-accent);
  border-radius: 50%;
  transform: translateX(-4px);
  transition: var(--transition);
}

.timeline-item:hover .timeline-marker {
  background: var(--color-accent);
  box-shadow: 0 0 15px var(--color-accent-glow);
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}

.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.timeline-content p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ============================================
   HOW TO BUY
   ============================================ */

.section-htb {
  background: var(--color-bg);
}

.htb-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.htb-step {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 2.5rem 1.75rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.htb-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #ffffff, transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.htb-step:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.htb-step:hover::before {
  opacity: 1;
}

.htb-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.08);
  margin-bottom: 1.25rem;
  line-height: 1;
}

.htb-step:hover .htb-number {
  color: rgba(255, 255, 255, 0.2);
}

.htb-step h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.htb-step p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   QUOTE
   ============================================ */

.section-quote {
  background: var(--color-bg);
  padding: 8rem 0;
}

.quote-block {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.quote-text {
  font-family: var(--font-body);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.quote-cite {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-style: normal;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 3rem;
}

.footer-inner {
  text-align: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1rem;
}

.footer-text {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.footer-bar {
  width: 30px;
  height: 1px;
  background: var(--color-border);
  margin: 0 auto 1.5rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  opacity: 0.5;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-image {
    max-width: 350px;
    margin: 0 auto;
  }

  .htb-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
  }

  .section {
    padding: 4rem 0;
  }

  .htb-steps {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    gap: 0.5rem;
  }

  .ca-address {
    font-size: 0.6rem;
  }
}