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

:root {
    --midnight: #0A2540;
    --midnight-light: #0d3058;
    --midnight-deep: #061A2E;
    --mint: #40E0D0;
    --mint-light: #5eece0;
    --mint-dark: #2cb8a8;
    --cream: #FAF8F5;
    --cream-dark: #F0EDE8;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--cream);
    color: var(--midnight);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ─── Scroll Reveal ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

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

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

/* ─── Header ─── */
#site-header {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#site-header.scrolled {
    background: rgba(250, 248, 245, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(10, 37, 64, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--mint);
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

.mobile-nav-link {
    border-radius: 12px;
    padding-left: 12px;
    padding-right: 12px;
}

.mobile-nav-link:hover {
    background: rgba(64, 224, 208, 0.08);
}

/* ─── Menu Section ─── */
#menu .border-b {
    border-color: rgba(10, 37, 64, 0.08);
}

/* ─── Button Focus States ─── */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--mint);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ─── Mobile Menu Animation ─── */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Gallery Hover ─── */
@media (prefers-reduced-motion: no-preference) {
    .gallery-img {
        transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease;
    }

    .gallery-img:hover {
        transform: scale(1.02);
    }
}

/* ─── Utility ─── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}