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

/* ── Utility ── */
.label {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* ── Navbar ── */
#navbar {
    background: transparent;
}
#navbar.scrolled {
    background: rgba(8, 14, 24, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(15, 76, 92, 0.2);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ── Hero Animations ── */
.hero-sub {
    animation: fadeUp 0.8s ease forwards 0.3s;
}
.hero-title {
    animation: fadeUp 0.8s ease forwards 0.5s;
}
.hero-desc {
    animation: fadeUp 0.8s ease forwards 0.7s;
}
.hero-cta {
    animation: fadeUp 0.8s ease forwards 0.9s;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Scroll Indicator ── */
.scroll-indicator { animation: float 2s ease-in-out infinite; }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ── Reveal Animations (below fold only, progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-left.revealed {
        opacity: 1;
        transform: translateX(0);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-right.revealed {
        opacity: 1;
        transform: translateX(0);
    }
}
/* Default visible state for reduced-motion / no-JS */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
}

/* ── Amenity Cards ── */
.amenity-card {
    transition: transform 0.3s ease;
}
.amenity-card:hover {
    transform: translateY(-4px);
}

/* ── Mobile Menu ── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
}
#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
#mobile-menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#mobile-menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.5rem;
}
.mobile-link {
    transition: opacity 0.3s ease;
}