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

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Button */
.btn-primary {
    background: linear-gradient(135deg, #0a2540 0%, #163d66 100%);
    box-shadow: 0 4px 15px rgba(10, 37, 64, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0f3156 0%, #1a4a78 100%);
    box-shadow: 0 8px 25px rgba(10, 37, 64, 0.4);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(10, 37, 64, 0.3);
}

/* Navigation Links */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #6ee7b7;
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

/* Scroll Indicator */
.scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.scroll-indicator:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Staggered reveal delays */
.reveal:nth-child(1) { transition-delay: 0.05s; }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.15s; }
.reveal:nth-child(4) { transition-delay: 0.2s; }
.reveal:nth-child(5) { transition-delay: 0.25s; }
.reveal:nth-child(6) { transition-delay: 0.3s; }

/* Mobile Navigation */
.mobile-nav-link {
    display: block;
}

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

/* Focus styles */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(110, 231, 183, 0.2);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: none;
    }
    
    .btn-primary:hover {
        transform: none;
    }
    
    .group:hover .group-hover\:scale-105 {
        transform: none;
    }
    
    .scroll-indicator svg {
        animation: none;
    }
}

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

::-webkit-scrollbar-track {
    background: #f0fdf4;
}

::-webkit-scrollbar-thumb {
    background: #0a2540;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #163d66;
}

/* Selection color */
::selection {
    background: rgba(110, 231, 183, 0.3);
    color: #0a2540;
}