/* ── Reset & Base ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; -webkit-font-smoothing: antialiased; }

/* ── Hero Background ──────────────────────────────── */
.hero-bg {
  background-image: url('https://images.pexels.com/photos/5531017/pexels-photo-5531017.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

/* ── Navbar scroll state ──────────────────────────── */
.navbar-scrolled {
  background: rgba(15, 23, 42, 0.92) !important;
  backdrop-filter: blur(16px) !important;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.navbar-scrolled .nav-logo-text { color: #fff; }

/* ── Scroll Reveal ────────────────────────────────── */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ── Hero entrance ────────────────────────────────── */
.hero-elem {
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-elem.visible {
  opacity: 1 !important;
  transform: translate(0, 0) !important;
}

/* ── Scroll Indicator ─────────────────────────────── */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: float 2.5s ease-in-out infinite;
}
.scroll-mouse {
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255,255,255,0.35);
  border-radius: 13px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-wheel {
  width: 3px;
  height: 8px;
  background: rgba(255,255,255,0.6);
  border-radius: 2px;
  animation: scroll-wheel-anim 1.8s ease-in-out infinite;
}
@keyframes scroll-wheel-anim {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ── Mobile menu ──────────────────────────────────── */
#mobile-menu {
  animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Utility ──────────────────────────────────────── */
::selection { background: rgba(13, 148, 136, 0.2); }
</style>