/* Base styles & custom properties */
:root {
    --color-terracotta: #C4704B;
    --color-sand: #e2ab4a;
}

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

body {
    overflow-x: hidden;
}

/* Selection color */
::selection {
    background-color: rgba(196, 112, 75, 0.2);
    color: inherit;
}

/* Scroll line animation */
.scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* Navbar scroll state */
.nav-scrolled {
    background-color: rgba(253, 248, 240, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.nav-scrolled .nav-link {
    color: #44403c;
}

.nav-scrolled .nav-link:hover {
    color: #C4704B;
}

.nav-scrolled #navbar .font-display {
    color: #1c1917;
}

/* Mobile menu */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

.mobile-menu-open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
    opacity: 0;
}

.mobile-menu-open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
.mobile-menu-open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
.mobile-menu-open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
.mobile-menu-open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
.mobile-menu-open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hamburger animation */
.menu-toggle-active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.menu-toggle-active .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-toggle-active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 1.25rem;
}

/* Scroll reveal base — progressive enhancement */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
    opacity: 0;
    transform: translateY(32px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
    }

    .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; }
}

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

/* Focus styles */
:focus-visible {
    outline: 2px solid #C4704B;
    outline-offset: 2px;
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

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

::-webkit-scrollbar-track {
    background: #FDF8F0;
}

::-webkit-scrollbar-thumb {
    background: #d4a574;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #C4704B;
}