/* ============================================
   DAVINCI MUSEUM SANYA — Renaissance Tech
   Design System & Complete Styles
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --gold: #C9A961;
    --gold-light: #D4BA88;
    --gold-dark: #8B7340;
    --dark: #1A1A1A;
    --dark-warm: #2D2926;
    --dark-medium: #3A3530;
    --cream: #F5F0E8;
    --cream-dim: rgba(245, 240, 232, 0.6);
    --cream-muted: rgba(245, 240, 232, 0.35);
    --tech-blue: #4A5BFF;
    --tech-purple: #7B3FF2;
    --gradient-tech: linear-gradient(135deg, #4A5BFF, #7B3FF2);

    --font-heading: 'Playfair Display', 'Noto Serif SC', serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Noto Serif SC', serif;

    --section-padding: clamp(80px, 10vw, 140px);
    --container-max: 1280px;
    --container-padding: clamp(20px, 4vw, 40px);

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --duration: 0.6s;
    --duration-slow: 1s;
    --duration-fast: 0.3s;

    --shadow-glow: 0 0 40px rgba(201, 169, 97, 0.15);
    --shadow-tech: 0 0 30px rgba(74, 91, 255, 0.15);
    --glass-bg: rgba(26, 26, 26, 0.6);
    --glass-border: rgba(201, 169, 97, 0.15);
}

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font-body);
    color: var(--cream);
    background: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color var(--duration-fast) ease; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section { padding: var(--section-padding) 0; position: relative; }
.section-dark { background: #141414; }

/* ---------- Preloader ---------- */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.preloader-inner { text-align: center; }

.preloader-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
}

.preloader-path {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: drawPath 2s ease forwards infinite;
}

.preloader-dot {
    animation: pulseDot 1.5s ease-in-out infinite;
}

@keyframes drawPath {
    0% { stroke-dashoffset: 100; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -100; }
}

@keyframes pulseDot {
    0%, 100% { opacity: 0.4; r: 3; }
    50% { opacity: 1; r: 5; }
}

.preloader-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 0.4em;
    color: var(--gold);
    margin-bottom: 8px;
}

.preloader-sub {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: var(--cream-muted);
    letter-spacing: 0.2em;
}

/* ---------- Typography ---------- */
.section-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    display: block;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 500;
    line-height: 1.2;
    color: var(--cream);
    letter-spacing: -0.01em;
}

.section-title em { font-style: italic; color: var(--gold); }
.section-title-light { color: var(--cream); }

.section-subtitle {
    font-size: 1.05rem;
    color: var(--cream-dim);
    margin-top: 12px;
    max-width: 520px;
}

.section-subtitle-light { color: var(--cream-dim); }

.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-subtitle { margin-left: auto; margin-right: auto; }

.gold-divider {
    width: 60px;
    height: 1px;
    background: var(--gold);
    margin: 24px 0;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 16px 36px;
    border-radius: 2px;
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn-gold {
    background: var(--gold);
    color: var(--dark);
}

.btn-gold:hover {
    background: var(--gold-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    border: 1px solid rgba(245, 240, 232, 0.25);
    color: var(--cream);
}

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(201, 169, 97, 0.05);
}

/* ---------- Reveal Animations ---------- */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.revealed, .reveal-left.revealed, .reveal-right.revealed {
    opacity: 1;
    transform: translate(0);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--duration-fast) ease;
}

.nav.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gold);
    z-index: 10;
}

.nav-logo-icon { width: 40px; height: 40px; }

.nav-logo-text { display: flex; flex-direction: column; }

.nav-logo-main {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    line-height: 1.2;
}

.nav-logo-sub {
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--cream-muted);
    font-weight: 400;
}

.nav-links { display: flex; gap: 32px; }

.nav-link {
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.6);
    transition: color var(--duration-fast) ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width var(--duration-fast) var(--ease-out);
}

.nav-link:hover { color: var(--gold); }
.nav-link:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.nav-lang-toggle {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--cream-muted);
    padding: 6px 12px;
    border: 1px solid rgba(201, 169, 97, 0.2);
    border-radius: 2px;
    transition: all var(--duration-fast) ease;
}

.nav-lang-toggle:hover {
    color: var(--gold);
    border-color: var(--gold);
}

.nav-ticket-btn {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 10px 24px;
    background: var(--gold);
    color: var(--dark);
    border-radius: 2px;
    transition: all var(--duration-fast) ease;
}

.nav-ticket-btn:hover {
    background: var(--gold-light);
    box-shadow: var(--shadow-glow);
}

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
    z-index: 10;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--cream);
    transition: all var(--duration-fast) ease;
    transform-origin: center;
}

.nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 26, 0.98);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration) var(--ease-out);
}

.mobile-menu.open { opacity: 1; visibility: visible; }

.mobile-menu-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.mobile-menu-link {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--cream);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--duration) var(--ease-out);
}

.mobile-menu.open .mobile-menu-link { opacity: 1; transform: translateY(0); }
.mobile-menu.open .mobile-menu-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.open .mobile-menu-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.open .mobile-menu-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.open .mobile-menu-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.open .mobile-menu-link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.open .mobile-menu-link:nth-child(6) { transition-delay: 0.35s; }
.mobile-menu-link:hover { color: var(--gold); }

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark);
    overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; }

.hero-grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(201, 169, 97, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 169, 97, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(201, 169, 97, 0.2), transparent);
    top: -10%;
    right: -5%;
    animation: orbFloat1 12s ease-in-out infinite;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(74, 91, 255, 0.12), transparent);
    bottom: -10%;
    left: -5%;
    animation: orbFloat2 15s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(-30px, 20px); }
    66% { transform: translate(20px, -30px); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(20px, -20px); }
    66% { transform: translate(-30px, 10px); }
}

.hero-vitruvian {
    position: absolute;
    width: 500px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.5;
    animation: vitruvianRotate 90s linear infinite;
}

@keyframes vitruvianRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-particles { position: absolute; inset: 0; }

.hero-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--gold);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 6s ease-in-out infinite;
}

@keyframes particleFloat {
    0% { opacity: 0; transform: translateY(0); }
    20% { opacity: 0.6; }
    80% { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-120px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 var(--container-padding);
}

.hero-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid rgba(201, 169, 97, 0.3);
    padding: 8px 24px;
    margin-bottom: 32px;
}

.hero-title { font-family: var(--font-heading); font-weight: 400; line-height: 1.15; margin-bottom: 28px; }

.hero-title-line {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--cream);
}

.hero-title-accent {
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    font-style: italic;
    color: var(--gold);
    margin: 4px 0;
    background: linear-gradient(135deg, var(--gold), var(--tech-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-line:last-child {
    font-size: clamp(1rem, 2vw, 1.4rem);
    color: var(--cream-muted);
    font-family: var(--font-body);
    font-weight: 300;
    letter-spacing: 0.08em;
    margin-top: 12px;
}

.hero-subtitle {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    color: var(--cream-dim);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.9;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(245, 240, 232, 0.35);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    z-index: 2;
}

.scroll-dot { animation: scrollDot 2s ease-in-out infinite; }

@keyframes scrollDot {
    0%, 100% { cy: 8; opacity: 1; }
    50% { cy: 16; opacity: 0.3; }
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: center;
}

.about-frame { position: relative; aspect-ratio: 4/5; }

.about-glass-card {
    position: absolute;
    inset: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about-sketch { width: 60%; height: auto; opacity: 0.8; }

.about-glass-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 0.3em;
    color: var(--gold);
    margin-top: 24px;
    opacity: 0.7;
}

.about-glow {
    position: absolute;
    top: -12px;
    right: -12px;
    bottom: 12px;
    left: 12px;
    border: 1px solid rgba(74, 91, 255, 0.2);
    border-radius: 4px;
    z-index: -1;
}

.about-content { max-width: 500px; }

.about-text {
    font-size: 1rem;
    color: rgba(245, 240, 232, 0.65);
    line-height: 1.9;
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 36px;
    padding-top: 36px;
    border-top: 1px solid rgba(201, 169, 97, 0.15);
}

.stat-item { text-align: center; }

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cream-muted);
}

/* ============================================
   EXHIBITIONS
   ============================================ */
.exhibitions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.exhibition-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    overflow: hidden;
    transition: all var(--duration) var(--ease-out);
    cursor: pointer;
}

.exhibition-card:hover {
    border-color: rgba(201, 169, 97, 0.35);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.exhibition-card-visual {
    height: 200px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.exhibition-card-visual svg {
    width: 60%;
    height: auto;
    opacity: 0.6;
    transition: all var(--duration) var(--ease-out);
}

.exhibition-card:hover .exhibition-card-visual svg { opacity: 1; transform: scale(1.05); }

.exhibition-card-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 26, 26, 0.8), transparent);
}

.exhibition-card-body { padding: 24px 20px; }

.exhibition-card-tag {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--tech-blue);
    margin-bottom: 8px;
}

.exhibition-card-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--cream);
    margin-bottom: 8px;
}

.exhibition-card-desc {
    font-size: 0.82rem;
    color: var(--cream-dim);
    line-height: 1.7;
}

/* ============================================
   INTERACTIVE
   ============================================ */
.interactive-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.interactive-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 36px 28px;
    transition: all var(--duration) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.interactive-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-tech);
    opacity: 0;
    transition: opacity var(--duration-fast) ease;
}

.interactive-card:hover {
    border-color: rgba(201, 169, 97, 0.3);
    background: rgba(26, 26, 26, 0.8);
}

.interactive-card:hover::before { opacity: 1; }

.interactive-icon { width: 56px; height: 56px; margin-bottom: 20px; }

.interactive-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--cream);
    margin-bottom: 12px;
}

.interactive-desc {
    font-size: 0.9rem;
    color: var(--cream-dim);
    line-height: 1.8;
    margin-bottom: 16px;
}

.interactive-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--tech-blue);
    padding: 4px 12px;
    border: 1px solid rgba(74, 91, 255, 0.3);
    border-radius: 2px;
}

/* ============================================
   VR EXPERIENCE
   ============================================ */
.vr-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: center;
}

.vr-text {
    font-size: 1rem;
    color: rgba(245, 240, 232, 0.6);
    line-height: 1.9;
    margin-bottom: 20px;
}

.vr-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 32px;
}

.vr-feature {
    font-size: 0.85rem;
    color: var(--cream-dim);
    display: flex;
    align-items: center;
    gap: 8px;
}

.vr-feature-icon { color: var(--gold); font-size: 0.7rem; }

.vr-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.vr-headset { width: 100%; max-width: 300px; position: relative; z-index: 2; }
.vr-headset svg { width: 100%; height: auto; animation: vrFloat 4s ease-in-out infinite; }

@keyframes vrFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.vr-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74, 91, 255, 0.15), transparent);
    filter: blur(60px);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* ============================================
   EDUCATION
   ============================================ */
.edu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.edu-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 36px 28px;
    transition: all var(--duration) var(--ease-out);
}

.edu-card:hover {
    border-color: rgba(201, 169, 97, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.edu-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    padding: 4px 14px;
    background: var(--gradient-tech);
    color: white;
    border-radius: 2px;
    margin-bottom: 16px;
}

.edu-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--cream);
    margin-bottom: 12px;
}

.edu-desc {
    font-size: 0.9rem;
    color: var(--cream-dim);
    line-height: 1.8;
    margin-bottom: 16px;
}

.edu-meta {
    font-size: 0.78rem;
    color: var(--cream-muted);
    padding-top: 12px;
    border-top: 1px solid rgba(201, 169, 97, 0.1);
}

/* Education Form */
.edu-form-section {
    max-width: 700px;
    margin: 60px auto 0;
    padding: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
}

.edu-form-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--cream);
    text-align: center;
    margin-bottom: 28px;
}

/* ============================================
   EVENTS
   ============================================ */
.events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.event-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    overflow: hidden;
    transition: all var(--duration) var(--ease-out);
}

.event-card:hover {
    border-color: rgba(201, 169, 97, 0.3);
    transform: translateY(-3px);
}

.event-card-date {
    padding: 16px 20px;
    background: rgba(201, 169, 97, 0.08);
    display: flex;
    align-items: center;
    gap: 12px;
}

.event-date-day {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--gold);
    line-height: 1;
}

.event-date-month {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cream-muted);
}

.event-card-body { padding: 20px; }

.event-card-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--cream);
    margin-bottom: 8px;
}

.event-card-desc {
    font-size: 0.82rem;
    color: var(--cream-dim);
    line-height: 1.7;
}

/* ============================================
   VISIT INFO
   ============================================ */
.visit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.visit-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 32px 24px;
    text-align: center;
    transition: all var(--duration) var(--ease-out);
}

.visit-card:hover {
    border-color: rgba(201, 169, 97, 0.3);
    box-shadow: var(--shadow-glow);
}

.visit-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
}

.visit-icon svg { width: 100%; height: 100%; }

.visit-card-title {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 12px;
}

.visit-card-text {
    font-size: 0.88rem;
    color: var(--cream-dim);
    line-height: 1.7;
}

/* ============================================
   SHOP
   ============================================ */
.shop-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.shop-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    overflow: hidden;
    transition: all var(--duration) var(--ease-out);
}

.shop-card:hover {
    border-color: rgba(201, 169, 97, 0.3);
    transform: translateY(-3px);
}

.shop-card-visual {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.shop-card-visual svg {
    width: 50%;
    height: auto;
    opacity: 0.7;
    transition: all var(--duration) var(--ease-out);
}

.shop-card:hover .shop-card-visual svg { opacity: 1; transform: scale(1.08); }

.shop-card-body { padding: 16px 20px; }

.shop-card-name {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--cream);
    margin-bottom: 6px;
}

.shop-card-price {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gold);
}

/* ============================================
   FORMS (Shared)
   ============================================ */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group { margin-bottom: 20px; }
.form-row .form-group { margin-bottom: 0; }

.form-group label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(245, 240, 232, 0.05);
    border: 1px solid rgba(201, 169, 97, 0.15);
    border-radius: 2px;
    color: var(--cream);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--duration-fast) ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--gold);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--cream-muted);
}

.form-group select option {
    background: var(--dark);
    color: var(--cream);
}

.form-group textarea { resize: vertical; }

/* ============================================
   BUSINESS
   ============================================ */
.biz-form-wrap {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 80px);
    align-items: start;
}

.contact-details { margin-top: 32px; }

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 20px;
}

.contact-item-label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
}

.contact-item-value {
    font-size: 0.9rem;
    color: var(--cream-dim);
}

.contact-social {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(201, 169, 97, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cream-muted);
    transition: all var(--duration-fast) ease;
}

.social-link:hover {
    color: var(--gold);
    border-color: var(--gold);
}

.social-link svg { width: 18px; height: 18px; }

.contact-form-wrap {
    padding: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #0D0D0D;
    border-top: 1px solid rgba(201, 169, 97, 0.08);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gold);
    margin-bottom: 16px;
}

.footer-logo-icon { width: 36px; height: 36px; }

.footer-logo-main {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.25em;
}

.footer-logo-sub {
    display: block;
    font-size: 0.6rem;
    color: var(--cream-muted);
    letter-spacing: 0.1em;
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--cream-muted);
    line-height: 1.7;
    max-width: 280px;
}

.footer-heading {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
}

.footer-links li { margin-bottom: 10px; }

.footer-links a,
.footer-links li {
    font-size: 0.85rem;
    color: rgba(245, 240, 232, 0.35);
    transition: color var(--duration-fast) ease;
}

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

.footer-bottom {
    padding-top: 40px;
    margin-top: 60px;
    border-top: 1px solid rgba(245, 240, 232, 0.05);
    font-size: 0.75rem;
    color: rgba(245, 240, 232, 0.2);
    text-align: center;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--dark-warm);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
    opacity: 0;
    pointer-events: none;
    transition: all var(--duration-fast) ease;
    border: 1px solid rgba(201, 169, 97, 0.2);
}

.back-to-top.visible { opacity: 1; pointer-events: auto; }

.back-to-top:hover {
    background: var(--gold);
    color: var(--dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ============================================
   SUCCESS MODAL
   ============================================ */
.success-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(26, 26, 26, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-fast) var(--ease-out);
}

.success-modal.active { opacity: 1; visibility: visible; }

.success-modal-inner {
    background: var(--dark-warm);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 48px 40px;
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
}

.success-icon svg { width: 100%; height: 100%; }

.success-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--cream);
    margin-bottom: 12px;
}

.success-desc {
    font-size: 0.9rem;
    color: var(--cream-dim);
    margin-bottom: 28px;
    line-height: 1.7;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .exhibitions-grid { grid-template-columns: repeat(2, 1fr); }
    .shop-grid { grid-template-columns: repeat(2, 1fr); }
    .visit-grid { grid-template-columns: repeat(2, 1fr); }
    .events-grid { grid-template-columns: repeat(2, 1fr); }
    .review-card { flex: 0 0 calc(50% - 12px); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .nav-ticket-btn { display: none; }

    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-frame { max-width: 360px; margin: 0 auto; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }

    .exhibitions-grid { grid-template-columns: 1fr; }
    .interactive-grid { grid-template-columns: 1fr; }
    .edu-grid { grid-template-columns: 1fr; }
    .vr-layout { grid-template-columns: 1fr; gap: 40px; }
    .events-grid { grid-template-columns: 1fr; }
    .visit-grid { grid-template-columns: 1fr; }
    .shop-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-layout { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand { grid-column: 1 / -1; }

    .hero-vitruvian { width: 300px; height: 300px; }

    .form-row { grid-template-columns: 1fr; gap: 16px; }

    .biz-form-wrap,
    .edu-form-section,
    .contact-form-wrap { padding: 24px; }

    .hero-title-line { font-size: clamp(2rem, 8vw, 3rem); }
    .hero-title-accent { font-size: clamp(2.8rem, 10vw, 4.5rem); }

    .cart-sidebar { width: 100%; }
}

@media (max-width: 480px) {
    .hero-badge { font-size: 0.6rem; padding: 6px 14px; }
    .hero-subtitle { font-size: 0.88rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; max-width: 280px; }
    .shop-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-scroll-hint { display: none; }
    .vr-features { grid-template-columns: 1fr; }
}

/* ---------- Smooth Loading ---------- */
body.loaded .hero-content > * {
    animation: fadeInUp 0.8s var(--ease-out) both;
}

body.loaded .hero-content > *:nth-child(1) { animation-delay: 0.2s; }
body.loaded .hero-content > *:nth-child(2) { animation-delay: 0.4s; }
body.loaded .hero-content > *:nth-child(3) { animation-delay: 0.6s; }
body.loaded .hero-content > *:nth-child(4) { animation-delay: 0.8s; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

body.loaded .hero-scroll-hint {
    animation: fadeInUp 0.8s var(--ease-out) 1.2s both;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

::selection { background: rgba(201, 169, 97, 0.3); color: var(--cream); }