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

html {
    scroll-behavior: smooth;
}

body {
    background-color: #060c18;
    color: #e2e8f0;
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #f0fdfa;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0b1120;
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* Animations */
@keyframes scroll-indicator {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(400%); }
}

.animate-scroll-indicator {
    animation: scroll-indicator 1.5s ease-in-out infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero-content {
    animation: fadeInUp 1s ease-out forwards;
}

/* Reveal on Scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Navbar scroll state */
nav.scrolled {
    background: rgba(6, 12, 24, 0.9) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(30, 41, 59, 0.5);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

nav.scrolled .nav-link {
    color: #e2e8f0;
}

nav.scrolled .nav-link:hover {
    color: #fbbf24;
}

/* Mobile menu */
#mobile-menu {
    animation: fadeIn 0.3s ease-out;
}

/* Button hover glow */
button:hover, a:hover {
    transition: all 0.3s ease;
}

/* Image optimization */
img {
    max-width: 100%;
    height: auto;
}

/* Focus styles */
:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
}

/* Smooth transitions for all interactive elements */
a, button, input, select, textarea {
    transition: all 0.3s ease;
}

/* Subtle gold shimmer on hover for special elements */
.bg-gradient-to-r.from-teal-600.to-teal-500:hover {
    box-shadow: 0 0 30px rgba(20, 184, 166, 0.3), 0 0 60px rgba(20, 184, 166, 0.1);
}

/* Card hover effects */
.rounded-2xl {
    transition: all 0.5s ease;
}

/* Gold accent line decoration */
.gold-accent {
    position: relative;
}

.gold-accent::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #fbbf24, #14b8a6);
    border-radius: 2px;
}

/* Parallax-like subtle movement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        will-change: transform, opacity;
    }
}

/* Responsive tweaks */
@media (max-width: 640px) {
    .font-display {
        line-height: 1.1;
    }
}