:root {
    --font: "DM Sans", system-ui, sans-serif;
    --bg: #fafafa;
    --bg-alt: #f0f0f2;
    --surface: #ffffff;
    --text: #111114;
    --text-muted: #5c5c66;
    --border: #e4e4ea;
    --accent: #c8a24a;
    --accent-hover: #b08d35;
    --shadow: 0 12px 40px rgba(17, 17, 20, 0.08);
    --radius: 14px;
    --header-bg: rgba(250, 250, 250, 0.88);
}

[data-theme="dark"] {
    --bg: #0e0e11;
    --bg-alt: #16161b;
    --surface: #1c1c22;
    --text: #f4f4f6;
    --text-muted: #a0a0ab;
    --border: #2a2a33;
    --accent: #d4b35a;
    --accent-hover: #e0c36a;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    --header-bg: rgba(14, 14, 17, 0.9);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

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

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

.container {
    width: min(1120px, calc(100% - 2rem));
    margin-inline: auto;
}

.narrow { width: min(720px, calc(100% - 2rem)); }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
}

.logo-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--accent) 70%, var(--border));
    border-radius: 50%;
    background:
        linear-gradient(135deg, rgba(200, 162, 74, 0.18), transparent 58%),
        var(--surface);
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    line-height: 1;
    box-shadow: inset 0 0 0 4px var(--bg);
}

.logo-text { letter-spacing: -0.02em; }

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.site-nav a {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a.active { color: var(--text); }

.theme-toggle {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    width: 40px;
    height: 40px;
    border-radius: 999px;
    cursor: pointer;
    display: grid;
    place-items: center;
}

[data-theme="light"] .theme-icon-dark,
[data-theme="dark"] .theme-icon-light { display: none; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
}

/* Hero */
.hero {
    padding: 5rem 0 4rem;
    background:
        radial-gradient(circle at top right, rgba(200, 162, 74, 0.12), transparent 40%),
        var(--bg);
}

.hero-inner { max-width: 720px; }

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    margin: 0 0 1rem;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    line-height: 1.05;
    margin: 0 0 1rem;
    letter-spacing: -0.03em;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin: 0 0 2rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.4rem;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s, background 0.2s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
    background: var(--accent);
    color: #111;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-ghost {
    border-color: var(--border);
    background: transparent;
    color: var(--text);
}

/* Sections */
.section { padding: 4rem 0; }
.section-alt { background: var(--bg-alt); }
.section-compact { padding-top: 0; }

.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
}

.section-head h2 {
    margin: 0;
    font-size: 1.75rem;
    letter-spacing: -0.02em;
}

.section-head p {
    margin: 0.5rem 0 0;
    color: var(--text-muted);
}

.text-link {
    color: var(--accent);
    font-weight: 600;
    white-space: nowrap;
}

/* Category grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.category-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.category-name { font-size: 1.2rem; font-weight: 700; }
.category-desc { color: var(--text-muted); font-size: 0.95rem; }
.category-count { color: var(--accent); font-size: 0.85rem; font-weight: 600; margin-top: auto; }

/* Album grid */
.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.album-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.album-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.album-cover {
    aspect-ratio: 4 / 3;
    background: var(--bg-alt);
    position: relative;
    overflow: hidden;
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.album-card:hover .album-cover img { transform: scale(1.04); }

.album-placeholder {
    height: 100%;
    display: grid;
    place-items: center;
    color: var(--text-muted);
}

.photo-count {
    position: absolute;
    bottom: 0.75rem;
    right: 0.75rem;
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
}

.album-meta { padding: 1rem 1.1rem 1.2rem; }

.album-category {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.35rem;
}

.album-meta h3 {
    margin: 0;
    font-size: 1.05rem;
}

.album-meta time {
    display: block;
    margin-top: 0.35rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Page header */
.page-header {
    padding: 4rem 0 2rem;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3rem);
    letter-spacing: -0.03em;
}

.page-lead {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin: 0.75rem 0 0;
}

.album-description {
    max-width: 640px;
    color: var(--text-muted);
    margin-top: 1rem;
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.filter-chip {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.filter-chip.active,
.filter-chip:hover {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

/* Photo grid */
.photo-grid {
    columns: 1;
    column-gap: 1rem;
}

@media (min-width: 640px) { .photo-grid { columns: 2; } }
@media (min-width: 960px) { .photo-grid { columns: 3; } }

.photo-item {
    break-inside: avoid;
    margin-bottom: 1rem;
    padding: 0;
    border: none;
    background: none;
    cursor: zoom-in;
    width: 100%;
    border-radius: calc(var(--radius) - 4px);
    overflow: hidden;
}

.photo-item img {
    width: 100%;
    transition: opacity 0.2s;
}

.photo-item:hover img { opacity: 0.92; }

/* About / Contact */
.prose {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.highlight-card,
.contact-card,
.cta-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.highlight-card h3,
.contact-card h3 { margin: 0 0 0.5rem; }

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-card a {
    color: var(--accent);
    font-weight: 600;
    font-size: 1.05rem;
}

.contact-note,
.empty-state {
    color: var(--text-muted);
    text-align: center;
    padding: 2rem;
}

.cta-box { text-align: center; padding: 2.5rem; }
.cta-box h2 { margin-top: 0; }
.cta-box p { color: var(--text-muted); }

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
    margin-top: 2rem;
}

.footer-inner {
    display: grid;
    gap: 1.5rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links a { color: var(--text-muted); }
.footer-links a:hover { color: var(--text); }

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 2rem;
}

.lightbox[hidden] { display: none; }

.lightbox-content {
    margin: 0;
    max-width: min(1200px, 100%);
    max-height: 90vh;
}

.lightbox-content img {
    max-height: 80vh;
    margin: 0 auto;
    object-fit: contain;
}

.lightbox-content figcaption {
    color: #ccc;
    text-align: center;
    margin-top: 0.75rem;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    font-size: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 999px;
    cursor: pointer;
}

.lightbox-close { top: 1rem; right: 1rem; }
.lightbox-prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1rem; top: 50%; transform: translateY(-50%); }

/* Mobile nav */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .site-nav {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 1rem;
        display: none;
    }

    .site-nav.open { display: flex; }
}