/* Premium Theme Base */
:root {
    --ink: #0b1f2a;
    --ocean: #0f4c5c;
    --emerald: #2a9d8f;
    --gold: #d4a259;
    --sand: #f7f2ea;
    --stone: #e7dfd1;
    --slate: #5b6770;
    --mist: #f2f5f7;
    --shadow: 0 24px 60px rgba(11, 31, 42, 0.16);
    --shadow-soft: 0 14px 36px rgba(11, 31, 42, 0.12);
}

body {
    background: var(--sand);
    color: var(--ink);
}

img {
    image-rendering: auto;
}

/* Navigation */
.nav-glass {
    background: rgba(247, 242, 234, 0.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(11, 31, 42, 0.08);
    box-shadow: 0 8px 30px rgba(11, 31, 42, 0.08);
}

.nav-link {
    color: var(--slate);
    font-weight: 600;
    letter-spacing: 0.01em;
}

.nav-link:hover {
    color: var(--ocean);
}

.nav-link.active {
    color: var(--ink);
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #0f4c5c, #2a9d8f);
    box-shadow: 0 8px 18px rgba(15, 76, 92, 0.35);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.6rem;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #0f4c5c, #2a9d8f);
    color: #fff;
    box-shadow: 0 16px 36px rgba(15, 76, 92, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(15, 76, 92, 0.36);
}

.btn-outline {
    border: 1px solid rgba(11, 31, 42, 0.2);
    color: var(--ink);
    background: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    border-color: rgba(11, 31, 42, 0.35);
    transform: translateY(-2px);
}

.btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}

.btn-gold {
    background: linear-gradient(135deg, #d4a259, #efc27a);
    color: #1a1a1a;
    box-shadow: 0 16px 36px rgba(212, 162, 89, 0.35);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(212, 162, 89, 0.45);
}

/* Badges and chips */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    background: rgba(42, 157, 143, 0.12);
    color: var(--ocean);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: rgba(15, 76, 92, 0.08);
    color: var(--ocean);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Cards */
.card {
    background: #fff;
    border: 1px solid rgba(11, 31, 42, 0.08);
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
}

.card-soft {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(11, 31, 42, 0.08);
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
}

.card-hero {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(6px);
}

/* Background helpers */
.hero-overlay {
    background: linear-gradient(120deg, rgba(11, 31, 42, 0.85), rgba(15, 76, 92, 0.45));
}

.section-glow {
    background: radial-gradient(circle at top left, rgba(42, 157, 143, 0.18), transparent 55%),
        radial-gradient(circle at bottom right, rgba(212, 162, 89, 0.12), transparent 50%);
}

.grid-pattern {
    background-image: linear-gradient(rgba(11, 31, 42, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(11, 31, 42, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
}

.divider-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(11, 31, 42, 0.2), transparent);
}

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

@keyframes slowFloat {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
    100% {
        transform: translateY(0);
    }
}

.float-slow {
    animation: slowFloat 6s ease-in-out infinite;
}

.reveal,
.fade-up,
.zoom-in-up {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: transform, opacity;
}

.zoom-in-up {
    transform: translateY(22px) scale(0.98);
}

.reveal.active,
.fade-up.active,
.zoom-in-up.active {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.reveal.active.stagger-1,
.fade-up.active.stagger-1,
.zoom-in-up.active.stagger-1 {
    transition-delay: 120ms;
}

.reveal.active.stagger-2,
.fade-up.active.stagger-2,
.zoom-in-up.active.stagger-2 {
    transition-delay: 240ms;
}

.reveal.active.stagger-3,
.fade-up.active.stagger-3,
.zoom-in-up.active.stagger-3 {
    transition-delay: 360ms;
}

/* Mobile Menu */
#mobile-menu {
    transition: max-height 0.3s ease-in-out, opacity 0.3s ease-in-out;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

#mobile-menu.open {
    max-height: 520px;
    opacity: 1;
}

/* Slider Dots */
#slider-dots button {
    transition: all 0.3s ease;
}

#slider-dots button.active {
    width: 2.2rem;
}