/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background-color: #C8943D;
    color: #230F1E;
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal-content,
    .reveal-images,
    .reveal-card {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal-content.visible,
    .reveal-images.visible,
    .reveal-card.visible {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-card:nth-child(2) { transition-delay: 0.1s; }
    .reveal-card:nth-child(3) { transition-delay: 0.2s; }

    /* Hero animations */
    .hero-content {
        opacity: 0;
        transform: translateY(40px);
        animation: heroFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        animation-delay: 0.2s;
    }

    .hero-images {
        opacity: 0;
        transform: translateY(40px) scale(0.97);
        animation: heroFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        animation-delay: 0.4s;
    }

    @keyframes heroFadeIn {
        to {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background-color 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(248, 240, 247, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(74, 32, 64, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #C8943D;
    transition: width 0.3s ease;
}

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

/* ===== Mobile Menu ===== */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.open .mobile-link {
    animation: mobileLinkIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) 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 mobileLinkIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

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

#menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.25rem;
}

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

::-webkit-scrollbar-track {
    background: #F8F0F7;
}

::-webkit-scrollbar-thumb {
    background: #C995B8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8B4577;
}

/* ===== Focus styles ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #C8943D;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Image hover parallax micro-interaction ===== */
.reveal-images img {
    will-change: transform;
}

/* ===== Selection ===== */
::selection {
    background: #C8943D;
    color: #230F1E;
}