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

/* ── Hero Gradient ── */
.hero-gradient {
    background: linear-gradient(135deg, #042f2e 0%, #134e4a 25%, #0f766e 50%, #1e293b 75%, #020617 100%);
}

/* ── Section Labels ── */
.section-label {
    letter-spacing: 0.15em;
}

/* ── Navigation ── */
#nav {
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}
#nav.scrolled {
    background: rgba(2, 6, 23, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }
.nav-logo { transition: color 0.3s ease; }
#nav.scrolled .nav-logo { color: #fff; }

/* ── Mobile Menu ── */
.mobile-link { transition: color 0.3s ease, transform 0.3s ease; }
.mobile-link:hover { transform: scale(1.05); }

/* ── Hero Animations ── */
.hero-badge {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.2s;
}
.hero-headline {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.4s;
}
.hero-subtitle {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.6s;
}
.hero-cta {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.8s;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Room Cards ── */
.room-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.room-card.revealed {
    opacity: 1;
    transform: translateY(0);
}
.room-card:hover .room-img {
    transform: scale(1.05);
}

/* ── Reveal on Scroll ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ── Staggered Delays ── */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Floating Elements ── */
.hero-float-1 {
    animation: float 8s ease-in-out infinite;
}
.hero-float-2 {
    animation: float 10s ease-in-out infinite reverse;
}
@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -30px); }
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0f172a; }
::-webkit-scrollbar-thumb { background: #14b8a6; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #2dd4bf; }

/* ── Focus Styles ── */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
}

/* ── Selection ── */
::selection { background: rgba(20, 184, 166, 0.3); }