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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background-color: #060f1e;
  color: #ffffff;
}

/* ─── NAV ─────────────────────────────────── */
.nav {
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.nav.scrolled {
  background: rgba(6, 15, 30, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #5eead4;
  transition: width 0.3s ease;
}

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

/* ─── MOBILE MENU ─────────────────────────── */
.mobile-link {
  position: relative;
}

/* ─── HERO ────────────────────────────────── */
.hero-bg {
  will-change: transform;
}

.hero-overlay {
  background: linear-gradient(
    to bottom,
    rgba(6, 15, 30, 0.45) 0%,
    rgba(6, 15, 30, 0.55) 50%,
    rgba(6, 15, 30, 0.85) 100%
  );
}

.hero-img {
  transition: transform 8s ease-out;
  transform: scale(1.05);
}

.hero-headline {
  opacity: 1;
  transform: translateY(0);
}

.hero-sub {
  opacity: 1;
  transform: translateY(0);
}

.hero-cta {
  opacity: 1;
  transform: translateY(0);
}

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

.hero-tag {
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}

.hero-headline {
  animation: fadeUp 0.9s ease forwards;
  animation-delay: 0.4s;
  opacity: 0;
}

.hero-sub {
  animation: fadeUp 0.9s ease forwards;
  animation-delay: 0.6s;
  opacity: 0;
}

.hero-cta {
  animation: fadeUp 0.9s ease forwards;
  animation-delay: 0.8s;
  opacity: 0;
}

.hero-scroll {
  opacity: 1;
}

@keyframes scrollDown {
  0% { transform: translateY(-8px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(16px); opacity: 0; }
}

.scroll-dot {
  animation: scrollDown 1.6s ease-in-out infinite;
}

/* ─── BUTTONS ─────────────────────────────── */
.btn-primary {
  box-shadow: 0 4px 24px rgba(94, 234, 212, 0.25);
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.btn-primary:hover {
  box-shadow: 0 6px 32px rgba(94, 234, 212, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  transition: background 0.3s ease, transform 0.2s ease;
}

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

/* ─── REVEAL (progressive enhancement) ────── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ─── MENU ────────────────────────────────── */
.menu-item {
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.menu-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* ─── GALLERY ─────────────────────────────── */
.gallery-item {
  overflow: hidden;
  position: relative;
}

.gallery-img {
  transition: transform 0.6s ease;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item:hover .gallery-img {
  transform: scale(1.05);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 15, 30, 0.2) 0%, transparent 40%);
  pointer-events: none;
}

/* ─── SCROLLBAR ───────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #060f1e;
}

::-webkit-scrollbar-thumb {
  background: rgba(94, 234, 212, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(94, 234, 212, 0.5);
}

/* ─── SELECTION ───────────────────────────── */
::selection {
  background: rgba(94, 234, 212, 0.3);
  color: #ffffff;
}