/* Base & Utilities */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: #B8860B;
    color: #0d1b38;
}

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

::-webkit-scrollbar-track {
    background: #0d1b38;
}

::-webkit-scrollbar-thumb {
    background: #B8860B;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4a800;
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(9, 18, 38, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled .text-white {
    color: #ffffff !important;
}

/* Scroll 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);
}

.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; }

/* Mobile menu transitions */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#mobile-menu.open {
    max-height: 400px;
}

/* Image lazy load placeholder */
img {
    background-color: #d4c4a8;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #B8860B;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .h-52.overflow-hidden img {
        transition: none;
    }
    * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* Tablet */
@media (max-width: 768px) {
    #hero h1 {
        font-size: 2.75rem;
    }

    .grid-cols-3 > div {
        text-align: center;
    }

    .grid-cols-3 > div:not(:first-child) {
        border-left: none;
        padding-left: 0;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .max-w-7xl {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    #hero h1 {
        font-size: 2.25rem;
    }

    #hero p {
        font-size: 1rem;
    }

    .grid-cols-3 > div {
        margin-bottom: 1rem;
    }
}