:root {
    /* Color System */
    --clr-gallery-black: #171817;
    --clr-archive-charcoal: #252725;
    --clr-museum-ivory: #F4F1E9;
    --clr-paper-white: #FBFAF6;
    
    --clr-oxide-rose: #A86463;
    --clr-patina-green: #65776D;
    --clr-mineral-blue: #526C78;
    --clr-bronze-clay: #9A765B;
    --clr-dust-sand: #C9BEAA;

    /* Spacing */
    --sp-4: 4px;
    --sp-8: 8px;
    --sp-16: 16px;
    --sp-24: 24px;
    --sp-40: 40px;
    --sp-64: 64px;

    /* Typography */
    --font-primary: "Helvetica Neue", Helvetica, Arial, sans-serif;
    
    /* Layout */
    --container-max: 1200px;
    --transition-soft: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--clr-gallery-black);
    background-color: var(--clr-paper-white);
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-soft);
}

a:hover {
    color: var(--clr-bronze-clay);
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font: inherit;
}

/* Utilities */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--sp-24);
}

.hidden {
    display: none !important;
}

.section-spacing {
    padding: var(--sp-64) 0;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: var(--sp-16);
    color: var(--clr-gallery-black);
    overflow-wrap: anywhere;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); margin-top: var(--sp-40); }
h3 { font-size: 1.25rem; }

p { margin-bottom: var(--sp-16); }

.lead {
    font-size: 1.25rem;
    color: var(--clr-archive-charcoal);
    max-width: 800px;
}

/* Header & Nav */
.site-header {
    background-color: var(--clr-paper-white);
    border-bottom: 1px solid var(--clr-dust-sand);
    height: 64px;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-8);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.brand-logo svg {
    color: var(--clr-gallery-black);
}

.main-nav .nav-list {
    display: flex;
    gap: var(--sp-24);
    align-items: center;
}

.nav-list a {
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-list a[aria-current="page"] {
    color: var(--clr-bronze-clay);
    border-bottom: 2px solid var(--clr-bronze-clay);
}

.nav-cta {
    background-color: var(--clr-gallery-black);
    color: var(--clr-paper-white) !important;
    padding: var(--sp-8) var(--sp-16);
    border-radius: 2px;
}
.nav-cta:hover {
    background-color: var(--clr-archive-charcoal);
    color: var(--clr-paper-white) !important;
}

.menu-toggle {
    display: none;
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 101;
}

.hamburger, .hamburger::before, .hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--clr-gallery-black);
    position: absolute;
    transition: transform var(--transition-soft);
}
.hamburger { top: 15px; left: 4px; }
.hamburger::before { content: ''; top: -6px; left: 0; }
.hamburger::after { content: ''; top: 6px; left: 0; }

/* Hero Section */
.editorial-hero {
    background-color: var(--clr-museum-ivory);
    padding: var(--sp-64) 0;
    border-bottom: 1px solid var(--clr-dust-sand);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-40);
    align-items: center;
}

.archival-index {
    display: flex;
    align-items: center;
    gap: var(--sp-8);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--clr-patina-green);
    margin-bottom: var(--sp-24);
}

.hero-support {
    font-size: 1.1rem;
    margin-bottom: var(--sp-40);
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: var(--sp-16);
    flex-wrap: wrap;
}

.hero-visual img {
    aspect-ratio: 4/3;
    object-fit: cover;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px var(--sp-24);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 2px;
    transition: all var(--transition-soft);
    text-align: center;
}

.btn-primary {
    background-color: var(--clr-gallery-black);
    color: var(--clr-paper-white);
    border: 1px solid var(--clr-gallery-black);
}
.btn-primary:hover, .btn-primary:focus-visible {
    background-color: var(--clr-archive-charcoal);
    color: var(--clr-paper-white);
}

.btn-secondary {
    background-color: transparent;
    color: var(--clr-gallery-black);
    border: 1px solid var(--clr-gallery-black);
}
.btn-secondary:hover, .btn-secondary:focus-visible {
    background-color: var(--clr-dust-sand);
    border-color: var(--clr-dust-sand);
}

.btn-sm {
    padding: var(--sp-8) var(--sp-16);
    font-size: 0.85rem;
}

.btn-outline {
    border: 1px solid var(--clr-dust-sand);
    color: var(--clr-archive-charcoal);
}
.btn-outline:hover {
    background-color: var(--clr-dust-sand);
}

/* Section Header */
.section-header {
    margin-bottom: var(--sp-40);
    border-bottom: 1px solid var(--clr-gallery-black);
    padding-bottom: var(--sp-16);
}
.section-header h2 { margin-top: 0; margin-bottom: var(--sp-8); }

/* Glass Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--sp-40);
}

.glass-card {
    display: flex;
    flex-direction: column;
    gap: var(--sp-16);
    min-width: 0; /* Prevents flex blowout */
}

.card-image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    background-color: var(--clr-dust-sand);
}

.card-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.glass-card:hover .card-image-wrap img {
    transform: scale(1.03);
}

.glass-overlay {
    position: absolute;
    bottom: var(--sp-16);
    left: var(--sp-16);
    right: var(--sp-16);
    background: rgba(244, 241, 233, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.3);
    padding: var(--sp-16);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.category-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--clr-bronze-clay);
    margin-bottom: var(--sp-4);
}

.card-title {
    margin: 0;
    font-size: 1.1rem;
    color: var(--clr-gallery-black);
}

.card-meta {
    display: block;
    font-size: 0.8rem;
    color: var(--clr-mineral-blue);
    margin-top: var(--sp-4);
}

.card-content p {
    font-size: 0.95rem;
    color: var(--clr-archive-charcoal);
    margin-bottom: var(--sp-16);
}

.cta-link {
    font-weight: 500;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.cta-link .arrow {
    transition: transform var(--transition-soft);
}
.cta-link:hover .arrow {
    transform: translateX(4px);
}

/* Page Layouts */
.page-content {
    padding: var(--sp-40) var(--sp-24);
    flex: 1;
}

.page-header {
    margin-bottom: var(--sp-40);
    max-width: 800px;
}

.featured-image {
    width: 100%;
    aspect-ratio: 21/9;
    object-fit: cover;
    margin-bottom: var(--sp-40);
    background-color: var(--clr-dust-sand);
}

.content-body {
    max-width: 800px;
    margin: 0 auto;
}

.text-section {
    margin-bottom: var(--sp-40);
}

.text-section ul, .text-section ol {
    margin-left: var(--sp-24);
    margin-bottom: var(--sp-16);
}
.text-section li {
    margin-bottom: var(--sp-8);
}

.cta-section {
    background-color: var(--clr-museum-ivory);
    padding: var(--sp-24);
    border-left: 4px solid var(--clr-gallery-black);
    margin-top: var(--sp-64);
}
.cta-section h2 { margin-top: 0; }

.text-page h2 { margin-top: var(--sp-40); font-size: 1.5rem; }

/* Table */
.table-container {
    overflow-x: auto;
    margin-bottom: var(--sp-24);
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}
.data-table th, .data-table td {
    padding: var(--sp-16);
    text-align: left;
    border-bottom: 1px solid var(--clr-dust-sand);
}
.data-table th { background-color: var(--clr-museum-ivory); font-weight: 500; }

/* Contact Layout */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-64);
}

.contact-details-block {
    margin-bottom: var(--sp-40);
}
.contact-details-block h3 { margin-bottom: var(--sp-16); }
.fine-print { font-size: 0.85rem; color: var(--clr-mineral-blue); margin-top: var(--sp-24); }

.static-map-block svg {
    width: 100%;
    height: auto;
    border: 1px solid var(--clr-dust-sand);
}

/* Forms */
.inquiry-form {
    background-color: var(--clr-museum-ivory);
    padding: var(--sp-40);
}

.form-group {
    margin-bottom: var(--sp-24);
}

.form-group label {
    display: block;
    margin-bottom: var(--sp-8);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--clr-dust-sand);
    background-color: var(--clr-paper-white);
    font-family: inherit;
    font-size: 1rem;
    border-radius: 0;
    transition: border-color var(--transition-soft);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--clr-gallery-black);
}

.error-message {
    display: none;
    color: var(--clr-oxide-rose);
    font-size: 0.85rem;
    margin-top: var(--sp-4);
}

.is-invalid input,
.is-invalid select,
.is-invalid textarea {
    border-color: var(--clr-oxide-rose);
}
.is-invalid .error-message {
    display: block;
}

.form-success {
    margin-top: var(--sp-24);
    padding: var(--sp-16);
    background-color: var(--clr-patina-green);
    color: var(--clr-paper-white);
    font-weight: 500;
}

/* Footer */
.site-footer {
    background-color: var(--clr-gallery-black);
    color: var(--clr-museum-ivory);
    padding: var(--sp-64) 0 var(--sp-24);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--sp-40);
    margin-bottom: var(--sp-40);
}

.footer-domain {
    display: inline-block;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--sp-16);
    color: var(--clr-paper-white);
}

.footer-brand p, .footer-address, .footer-email {
    font-size: 0.9rem;
    color: var(--clr-dust-sand);
    font-style: normal;
    margin-bottom: var(--sp-4);
}
.footer-email { display: inline-block; margin-top: var(--sp-8); }

.footer-nav-group h4 {
    color: var(--clr-paper-white);
    font-size: 1rem;
    margin-bottom: var(--sp-16);
}

.footer-nav-group ul li {
    margin-bottom: var(--sp-8);
}
.footer-nav-group a {
    color: var(--clr-dust-sand);
    font-size: 0.9rem;
}
.footer-nav-group a:hover {
    color: var(--clr-paper-white);
}

.footer-bottom {
    border-top: 1px solid var(--clr-archive-charcoal);
    padding-top: var(--sp-24);
    font-size: 0.8rem;
    color: var(--clr-dust-sand);
    text-align: center;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--clr-museum-ivory);
    color: var(--clr-gallery-black);
    padding: var(--sp-24);
    z-index: 1000;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-24);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    border-top: 2px solid var(--clr-gallery-black);
}
.cookie-content { flex: 1; min-width: 300px; font-size: 0.95rem; }
.cookie-content a { color: var(--clr-gallery-black); text-decoration: underline; font-weight: 600; }
.cookie-content a:hover { color: var(--clr-bronze-clay); }
.cookie-actions { display: flex; gap: var(--sp-16); flex-wrap: wrap; }
.cookie-actions .btn { padding: 10px var(--sp-16); font-size: 0.9rem; font-weight: 600; }
.cookie-actions .btn-outline { border-color: var(--clr-archive-charcoal); color: var(--clr-archive-charcoal); }
.cookie-actions .btn-outline:hover { background-color: var(--clr-archive-charcoal); color: var(--clr-paper-white); }

/* Accessibility */
:focus-visible {
    outline: 2px solid var(--clr-mineral-blue);
    outline-offset: 4px;
}

/* Responsive */
@media (max-width: 900px) {
    .contact-layout { grid-template-columns: 1fr; gap: var(--sp-40); }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual img { aspect-ratio: 16/9; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .main-nav {
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background-color: var(--clr-paper-white);
        border-bottom: 1px solid var(--clr-dust-sand);
        padding: var(--sp-24);
        display: none;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }
    .main-nav.is-visible { display: block; }
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
    }
    .nav-cta { padding: var(--sp-8) 0; background: none; color: inherit !important; font-weight: bold; }
    .nav-cta:hover { background: none; color: var(--clr-bronze-clay) !important; }

    .menu-toggle[aria-expanded="true"] .hamburger { background-color: transparent; }
    .menu-toggle[aria-expanded="true"] .hamburger::before { transform: translateY(6px) rotate(45deg); }
    .menu-toggle[aria-expanded="true"] .hamburger::after { transform: translateY(-6px) rotate(-45deg); }

    .card-grid { grid-template-columns: 1fr; }
    .featured-image { aspect-ratio: 16/9; }
    
    .glass-overlay {
        position: static;
        background: var(--clr-museum-ivory);
        box-shadow: none;
        border: none;
        border-top: 1px solid var(--clr-dust-sand);
    }
    .glass-card { background: var(--clr-museum-ivory); border: 1px solid var(--clr-dust-sand); padding-bottom: var(--sp-16); }
    .card-content { padding: 0 var(--sp-16); }
    
    .inquiry-form { padding: var(--sp-24); }
}

@media (max-width: 400px) {
    :root {
        --sp-40: 24px;
        --sp-64: 40px;
    }
    .footer-grid { grid-template-columns: 1fr; gap: var(--sp-24); }
    .cookie-banner { padding: var(--sp-16); flex-direction: column; align-items: stretch; }
    .cookie-actions { flex-direction: column; }
    .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}