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

/* ── Variables ── */
:root {
  --bg:      #2a2a2a;
  --surface: #333333;
  --white:   #F2EDE6;
  --smoke:   #7C7C7C;
  --rule:    rgba(255,255,255,0.09);
  --accent:  #0067A5;
}

/* ── Base ── */
html { scroll-behavior: smooth; overflow-x: hidden; max-width: 100%; }
body {
  background: var(--bg);
  color: var(--white);
  font-family: 'Rajdhani', sans-serif;
  overflow-x: hidden;
  max-width: 100%;
  padding-top: calc(72px + env(safe-area-inset-top));
}

/* ── Grain overlay ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9998; opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat; background-size: 200px;
}

/* ── Typography ── */
.f-display { font-family: 'Barlow Condensed', sans-serif; }

.section-head {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(48px, 7vw, 100px);
  line-height: 0.88;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: 'DM Mono', monospace;
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--smoke);
  display: flex;
  align-items: center;
  gap: 14px;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--smoke);
  flex-shrink: 0;
}

/* ── Nav link ── */
.nav-link {
  font-family: 'DM Mono', monospace;
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--smoke);
  text-decoration: none;
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--white); }
.nav-link:focus-visible { outline: 2px solid var(--white); outline-offset: 4px; border-radius: 2px; }

/* ── Rule ── */
.rule { border: none; border-top: 1px solid var(--rule); }

/* ── Glow blobs ── */
.glow { position: absolute; border-radius: 50%; filter: blur(100px); pointer-events: none; }

/* ── Scroll reveals ── */
[data-rv] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s cubic-bezier(0.16,1,0.3,1),
              transform 0.9s cubic-bezier(0.16,1,0.3,1);
}
[data-rv].visible { opacity: 1; transform: translateY(0); }

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-rv] { opacity: 1; transform: none; transition: none; }
  .marquee-track, .marquee-track-rev { animation: none; }
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none; border: none;
  cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 100%; height: 1px;
  background: var(--white);
  transition: transform 0.3s cubic-bezier(0.16,1,0.3,1), opacity 0.2s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ── Site Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: calc(72px + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
  background: #090909;
  z-index: 10000;
  overflow: hidden;
  transform: translateY(0);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header.header-hidden { transform: translateY(-100%); }
.site-nav {
  position: relative;
  height: 72px;
  background: #090909;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 80px);
}

/* ── Mobile menu ── */
#mobile-menu {
  display: flex; position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 999; flex-direction: column;
  padding: calc(72px + env(safe-area-inset-top) + 32px) clamp(28px,7vw,56px) calc(48px + env(safe-area-inset-bottom));
  background: #2a2a2a; overflow: hidden;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
#mobile-menu.open { opacity: 1; visibility: visible; pointer-events: all; }

.mobile-nav-item {
  position: relative; display: flex; align-items: center; gap: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 18px 0; text-decoration: none;
  opacity: 0; transform: translateX(-20px);
  transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1), transform 0.55s cubic-bezier(0.16,1,0.3,1);
}
#mobile-menu.open .mobile-nav-item { opacity: 1; transform: translateX(0); }
#mobile-menu.open .mobile-nav-item:nth-child(1) { transition-delay: 0.07s; }
#mobile-menu.open .mobile-nav-item:nth-child(2) { transition-delay: 0.13s; }
#mobile-menu.open .mobile-nav-item:nth-child(3) { transition-delay: 0.19s; }
#mobile-menu.open .mobile-nav-item:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-nav-item:nth-child(5) { transition-delay: 0.31s; }
#mobile-menu.open .mobile-nav-item:nth-child(6) { transition-delay: 0.37s; }

.mobile-nav-item::after {
  content: ''; position: absolute; bottom: -1px; left: 0;
  height: 1px; width: 0; background: #0067A5;
  transition: width 0.4s cubic-bezier(0.16,1,0.3,1);
}
.mobile-nav-item:hover::after { width: 100%; }

.mob-num {
  font-family: 'DM Mono', monospace; font-size: 9px;
  letter-spacing: 0.2em; color: #0067A5; flex-shrink: 0; width: 28px;
}
.mob-label {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 900;
  font-size: clamp(36px,10vw,50px); line-height: 1;
  letter-spacing: -0.02em; text-transform: uppercase;
  color: #7C7C7C; transition: color 0.2s ease; flex: 1;
}
.mobile-nav-item:hover .mob-label,
.mobile-nav-item.active .mob-label { color: #F2EDE6; }

.mob-arrow {
  font-family: 'DM Mono', monospace; font-size: 14px;
  color: #7C7C7C; opacity: 0; transform: translateX(-8px);
  transition: opacity 0.2s ease, transform 0.3s cubic-bezier(0.16,1,0.3,1);
}
.mobile-nav-item:hover .mob-arrow { opacity: 1; transform: translateX(0); }

.mob-cta {
  margin-top: auto; padding-top: 28px;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1), transform 0.55s cubic-bezier(0.16,1,0.3,1);
}
#mobile-menu.open .mob-cta { opacity: 1; transform: translateY(0); transition-delay: 0.44s; }

.mob-guide-btn {
  display: inline-flex; align-items: center; gap: 12px;
  background: #F2EDE4; color: #141414;
  font-family: 'DM Mono', monospace; font-weight: 500;
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  padding: 18px 32px; text-decoration: none;
  transition: background 0.2s ease, transform 0.3s cubic-bezier(0.16,1,0.3,1);
}
.mob-guide-btn:hover { background: #E0D9D0; transform: translateY(-2px); }
.mob-guide-btn:active { transform: translateY(0); }

/* ── Header responsive overrides ── */
@media (min-width: 769px) {
  .site-header {
    background: #363636 !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
  }
  .site-nav { background: transparent !important; }
}
@media (max-width: 768px) {
  .hide-mob { display: none !important; }
  .hamburger { display: flex !important; }
  .mob-hide-nav { display: none !important; }
  .site-nav img { height: 92px !important; }
  .site-header {
    background: #363636 !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
  }
  .site-header::before, .site-header::after,
  .site-nav::before, .site-nav::after {
    display: none !important;
    content: none !important;
  }
  .site-nav {
    background: #363636 !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
  }
}