/* ===== Base & Typography ===== */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: #0f4c5c;
    color: #f0f7f7;
}

/* ===== Navbar ===== */
.nav-link-text {
    font-family: 'Playfair Display', Georgia, serif;
}

nav.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(15, 76, 92, 0.08);
}

nav.scrolled .nav-link-text {
    color: #0f4c5c;
}

nav.scrolled .nav-link {
    color: #475569;
}

nav.scrolled .nav-link:hover {
    color: #0f4c5c;
}

nav.scrolled .mobile-nav-link {
    color: #475569;
}

/* ===== Floating Cards Animation ===== */
.floating-card {
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(2) {
    animation-delay: -2s;
}

.floating-card:nth-child(3) {
    animation-delay: -4s;
}

.floating-card:nth-child(4) {
    animation-delay: -1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-12px);
    }
}

/* ===== Scroll Reveal Animations ===== */
.reveal {
    opacity: 1;
    transform: translateY(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.hidden-reveal {
    opacity: 0;
    transform: translateY(30px);
}

.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; }

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    .floating-card {
        animation: none;
    }
    
    .reveal.hidden-reveal {
        opacity: 1;
        transform: none;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ===== Mobile Menu ===== */
.mobile-nav-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* ===== Image hover effects ===== */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ===== Button focus states ===== */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #0f4c5c;
    outline-offset: 2px;
}

/* ===== Custom scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f8fafc;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}