/* Base styles and custom utilities */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: #1b3a6e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2bc08e;
}

/* Hero animations */
.hero-headline {
    animation: heroSlideUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.hero-subtitle {
    animation: heroSlideUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
}

.hero-tagline {
    animation: heroSlideUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

.hero-cta {
    animation: heroSlideUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}

@keyframes heroSlideUp {
    from {
        opacity: 0;
        transform: translateY(48px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered reveal delays */
.reveal:nth-child(1) { transition-delay: 0s; }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }

/* Menu item animations */
.menu-item {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.menu-item.revealed {
    opacity: 1;
    transform: translateX(0);
}

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

.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Navbar scroll behavior */
.nav-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-scrolled #navbar {
    padding-top: 0;
    padding-bottom: 0;
}

/* Mobile menu transitions */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

.mobile-menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu-open .mobile-link:nth-child(2) { transition-delay: 0.2s; }
.mobile-menu-open .mobile-link:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu-open .mobile-link:nth-child(4) { transition-delay: 0.4s; }
.mobile-menu-open .mobile-link:nth-child(5) { transition-delay: 0.5s; }

/* Feature card hover */
.feature-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover {
    transform: translateY(-8px);
}

/* Smooth focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #2bc08e;
    outline-offset: 4px;
    border-radius: 4px;
}

/* Selection color */
::selection {
    background: rgba(43, 192, 142, 0.3);
    color: #fff;
}

/* 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;
    }
    
    .reveal,
    .menu-item {
        opacity: 1;
        transform: none;
    }
}

/* Tablet adjustments */
@media (max-width: 768px) {
    .hero-headline {
        font-size: 3.5rem;
    }
}

/* Large desktop */
@media (min-width: 1280px) {
    .hero-headline {
        font-size: 7rem;
    }
}