/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    line-height: 1.6;
    color: #1e293b;
    background-color: #ffffff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #0d9488;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0f766e;
}

/* Navbar */
.nav {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

.nav.scrolled {
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2dd4bf;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero */
.hero {
    position: relative;
}

.hero-bg img {
    will-change: transform;
}

.hero-content {
    will-change: opacity, transform;
}

/* Floating animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes float-delay {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(-2deg); }
}

.hero-geo {
    animation: float 6s ease-in-out infinite;
}

.hero-geo:nth-child(3) {
    animation: float-delay 8s ease-in-out infinite;
}

.hero-geo:nth-child(4) {
    animation: float 7s ease-in-out infinite;
}

/* Marquee */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.animate-marquee {
    animation: marquee 20s linear infinite;
}

/* Mobile menu */
.mobile-menu {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.mobile-menu.inactive {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-20px);
}

.mobile-menu-link {
    position: relative;
}

.mobile-menu-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #2dd4bf;
    transition: width 0.3s ease;
}

.mobile-menu-link:hover::after {
    width: 100%;
}

/* Gallery */
.gallery-item {
    cursor: pointer;
}

/* Reveal animations */
.reveal-up {
    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-left {
    opacity: 1;
    transform: translateX(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-right {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .animate-marquee {
        animation: none;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .font-display {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }
}