/* ============================================
   RAHEEMA NADEEM - LUXURY ARTIST PORTFOLIO
   Premium CSS Stylesheet
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Color Palette */
    --color-black: #0a0a0a;
    --color-black-soft: #111111;
    --color-black-medium: #1a1a1a;
    --color-charcoal: #2a2a2a;
    --color-gray-dark: #3a3a3a;
    --color-gray: #6b6b6b;
    --color-gray-light: #9a9a9a;
    --color-gray-lighter: #c4c4c4;
    --color-off-white: #f5f0eb;
    --color-cream: #ebe5de;
    --color-beige: #d4c5b0;
    --color-beige-dark: #b8a58e;
    --color-gold: #c9a96e;
    --color-gold-light: #d4b87a;
    --color-gold-dark: #a88a4a;
    --color-white: #ffffff;
    --color-white-soft: rgba(255, 255, 255, 0.08);
    --color-overlay: rgba(0, 0, 0, 0.6);
    --color-glass: rgba(255, 255, 255, 0.05);
    --color-glass-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing Scale */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.2);
    --shadow-gold: 0 0 40px rgba(201, 169, 110, 0.15);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Z-Index Scale */
    --z-cursor: 9999;
    --z-loading: 1000;
    --z-nav: 100;
    --z-lightbox: 200;
    --z-back-to-top: 50;
    --z-progress: 101;
}

/* ============================================
   LIGHT MODE VARIABLES
   ============================================ */
[data-theme="light"] {
    --color-black: #f5f0eb;
    --color-black-soft: #ebe5de;
    --color-black-medium: #e0d8cf;
    --color-charcoal: #d4c5b0;
    --color-gray-dark: #8a7a6a;
    --color-gray: #6b5d50;
    --color-gray-light: #4a3f35;
    --color-gray-lighter: #3a3228;
    --color-off-white: #1a1a1a;
    --color-cream: #2a2a2a;
    --color-beige: #b8a58e;
    --color-beige-dark: #8a7a6a;
    --color-white: #1a1a1a;
    --color-white-soft: rgba(0, 0, 0, 0.05);
    --color-glass: rgba(0, 0, 0, 0.03);
    --color-glass-border: rgba(0, 0, 0, 0.08);
    --color-overlay: rgba(245, 240, 235, 0.85);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-black);
    color: var(--color-off-white);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-black-soft);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gold);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold-light);
}

::selection {
    background: var(--color-gold);
    color: var(--color-black);
}

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

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

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

ul {
    list-style: none;
}

/* ============================================
   LOADING SCREEN
   ============================================ */
#loading-screen {
    position: fixed;
    inset: 0;
    background: var(--color-black);
    z-index: var(--z-loading);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.loading-logo {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 300;
    color: var(--color-gold);
    letter-spacing: 0.2em;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.2s;
}

.loading-text {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-gray-light);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.4s;
}

.loading-bar-container {
    width: 200px;
    height: 1px;
    background: var(--color-charcoal);
    margin-top: var(--space-sm);
    overflow: hidden;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.6s;
}

.loading-bar {
    height: 100%;
    width: 0%;
    background: var(--color-gold);
    transition: width 0.3s ease;
}

.loading-percentage {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--color-gray);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.6s;
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */
#cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: var(--z-cursor);
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
}

#cursor-dot {
    position: fixed;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-gold);
    pointer-events: none;
    z-index: var(--z-cursor);
    transform: translate(-50%, -50%);
    transition: width 0.2s ease, height 0.2s ease, opacity 0.2s ease;
    opacity: 0;
}

body:hover #cursor-glow,
body:hover #cursor-dot {
    opacity: 1;
}

/* Hide custom cursor on touch devices */
@media (hover: none) and (pointer: coarse) {
    #cursor-glow,
    #cursor-dot {
        display: none !important;
    }
}

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: var(--color-gold);
    z-index: var(--z-progress);
    width: 0%;
    transition: width 0.1s linear;
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-glass-border);
    color: var(--color-off-white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-back-to-top);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
    pointer-events: none;
}

#back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

#back-to-top:hover {
    background: var(--color-gold);
    color: var(--color-black);
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold);
}

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    padding: 1.5rem 0;
    transition: all var(--transition-base);
}

#navbar.scrolled {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

[data-theme="light"] #navbar.scrolled {
    background: rgba(245, 240, 235, 0.9);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-off-white);
    transition: color var(--transition-fast);
}

.nav-logo:hover {
    color: var(--color-gold);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gray-light);
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-off-white);
}

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

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-light);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    color: var(--color-gold);
    background: var(--color-white-soft);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    position: absolute;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.theme-toggle .sun-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

.theme-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .sun-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .moon-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    z-index: 10;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--color-off-white);
    transition: all var(--transition-base);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        url('https://images.unsplash.com/photo-1547891654-e66ed7ebb968?w=1920&q=80') center/cover no-repeat;
    opacity: 0.15;
    filter: saturate(0.3) contrast(1.2);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--color-gold);
    opacity: 0.3;
    animation: floatParticle linear infinite;
    pointer-events: none;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 10, 10, 0.3) 0%,
        rgba(10, 10, 10, 0.1) 40%,
        rgba(10, 10, 10, 0.5) 100%
    );
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 var(--space-lg);
    max-width: 900px;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 300;
    line-height: 1.05;
    color: var(--color-off-white);
    margin-bottom: var(--space-md);
}

.hero-title .reveal-line {
    display: block;
    overflow: hidden;
}

.hero-title .reveal-line span {
    display: inline-block;
    transform: translateY(100%);
    animation: revealLine 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-title .reveal-line:nth-child(2) span {
    animation-delay: 0.15s;
}

@keyframes revealLine {
    to {
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--color-gray-light);
    margin-bottom: var(--space-xl);
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.6s;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.9s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 1rem 2.5rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-primary svg {
    transition: transform var(--transition-fast);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-off-white);
    border: 1px solid var(--color-gray-dark);
}

.btn-secondary:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-2px);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0;
    animation: fadeInUp 1s ease forwards 1.2s;
}

.hero-scroll-indicator span {
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-gray);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(0.5);
        transform-origin: top;
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
        transform-origin: top;
    }
}

/* ============================================
   CONTAINER & SECTIONS
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    line-height: 1.2;
    color: var(--color-off-white);
    margin-bottom: var(--space-md);
}

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

.section-description {
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-gray-light);
    max-width: 500px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header .section-description {
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--color-black-soft);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image-frame {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.about-image {
    width: 100%;
    height: 600px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-image-frame:hover .about-image {
    transform: scale(1.03);
}

.image-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 1px solid var(--color-gold);
    border-radius: var(--radius-lg);
    pointer-events: none;
    opacity: 0.3;
    transition: all var(--transition-base);
}

.about-image-frame:hover .image-accent {
    top: -10px;
    left: -10px;
    right: 10px;
    bottom: 10px;
    opacity: 0.5;
}

.about-content {
    padding-left: var(--space-lg);
}

.about-text {
    margin-bottom: var(--space-xl);
}

.about-text p {
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-gray-light);
    margin-bottom: var(--space-md);
    line-height: 1.9;
}

.about-achievements {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-charcoal);
}

.achievement-item {
    text-align: left;
}

.achievement-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-gold);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.achievement-label {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gray);
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery {
    background: var(--color-black);
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gray-light);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
}

.filter-btn:hover {
    color: var(--color-off-white);
    border-color: var(--color-charcoal);
}

.filter-btn.active {
    color: var(--color-gold);
    border-color: var(--color-gold);
    background: rgba(201, 169, 110, 0.05);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-md);
    grid-auto-rows: 350px;
    grid-auto-flow: dense;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.gallery-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item.tall {
    grid-row: span 2;
}

.gallery-item.wide {
    grid-column: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(10, 10, 10, 0.9) 0%,
        rgba(10, 10, 10, 0.3) 50%,
        transparent 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay-content {
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-overlay-content {
    transform: translateY(0);
}

.gallery-overlay-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--color-off-white);
    margin-bottom: var(--space-xs);
}

.gallery-overlay-meta {
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    text-transform: uppercase;
}

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: var(--z-lightbox);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    padding: var(--space-xl);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    color: var(--color-off-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.lightbox-close:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    color: var(--color-off-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.lightbox-nav:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

.lightbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
}

.lightbox-image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.lightbox-info {
    text-align: center;
}

.lightbox-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--color-off-white);
    margin-bottom: var(--space-xs);
}

.lightbox-meta {
    font-size: 0.8rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-sm);
}

.lightbox-description {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-gray-light);
    max-width: 500px;
    line-height: 1.7;
}

/* ============================================
   EXHIBITIONS / TIMELINE
   ============================================ */
.exhibitions {
    background: var(--color-black-soft);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-xl) 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent,
        var(--color-gold) 10%,
        var(--color-gold) 90%,
        transparent
    );
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 2;
    text-align: left;
}

.timeline-item:nth-child(even) .timeline-date {
    grid-column: 1;
    text-align: right;
}

.timeline-item:nth-child(odd) .timeline-content {
    grid-column: 1;
    text-align: right;
}

.timeline-item:nth-child(odd) .timeline-date {
    grid-column: 2;
    text-align: left;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 0.5rem;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-black);
    border: 2px solid var(--color-gold);
    z-index: 2;
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-dot {
    background: var(--color-gold);
    box-shadow: 0 0 20px rgba(201, 169, 110, 0.4);
    transform: translateX(-50%) scale(1.3);
}

.timeline-date {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-gold);
}

.timeline-year {
    display: block;
    font-size: 0.75rem;
    font-family: var(--font-sans);
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: var(--space-xs);
}

.timeline-content h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--color-off-white);
    margin-bottom: var(--space-xs);
}

.timeline-content p {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-gray-light);
    line-height: 1.7;
}

.timeline-badge {
    display: inline-block;
    padding: 0.2rem 0.8rem;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    background: rgba(201, 169, 110, 0.1);
    border: 1px solid rgba(201, 169, 110, 0.2);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    background: var(--color-black);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.testimonial-card {
    background: var(--color-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    border-color: rgba(201, 169, 110, 0.2);
    box-shadow: var(--shadow-lg);
}

.testimonial-quote {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-style: italic;
    font-weight: 300;
    color: var(--color-off-white);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    position: relative;
    padding-left: var(--space-md);
}

.testimonial-quote::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -0.5rem;
    font-size: 3rem;
    color: var(--color-gold);
    opacity: 0.3;
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-gold);
}

.testimonial-info h4 {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-off-white);
}

.testimonial-info span {
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--color-gray);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--color-black-soft);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-description {
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-gray-light);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.contact-item:hover .contact-icon {
    background: var(--color-gold);
    color: var(--color-black);
    border-color: var(--color-gold);
}

.contact-detail {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: 0.2rem;
}

.contact-value {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-off-white);
    transition: color var(--transition-fast);
}

.contact-value:hover {
    color: var(--color-gold);
}

.contact-social {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-charcoal);
}

.social-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: var(--space-sm);
}

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-light);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-gold);
    color: var(--color-black);
    border-color: var(--color-gold);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-glass);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.form-group {
    margin-bottom: var(--space-md);
    position: relative;
}

.form-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: var(--space-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-off-white);
    background: var(--color-white-soft);
    border: 1px solid var(--color-charcoal);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-gold);
    background: rgba(201, 169, 110, 0.03);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.form-input.error,
.form-textarea.error {
    border-color: #c94a4a;
    background: rgba(201, 74, 74, 0.05);
}

.form-error {
    display: block;
    font-size: 0.75rem;
    color: #c94a4a;
    margin-top: 0.3rem;
    min-height: 1.2rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.form-error.visible {
    opacity: 1;
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

.form-submit {
    width: 100%;
    padding: 1.1rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-black);
    background: var(--color-gold);
    border: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.form-submit:hover:not(:disabled) {
    background: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.form-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-submit .submit-text,
.form-submit .submit-loading,
.form-submit .submit-success {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.form-submit .submit-loading,
.form-submit .submit-success {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}

.form-submit.loading .submit-text {
    opacity: 0;
}

.form-submit.loading .submit-loading {
    opacity: 1;
}

.form-submit.success .submit-text,
.form-submit.success .submit-loading {
    opacity: 0;
}

.form-submit.success .submit-success {
    opacity: 1;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-black);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.form-notification {
    margin-top: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 400;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    pointer-events: none;
}

.form-notification.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.form-notification.success {
    background: rgba(74, 201, 120, 0.1);
    border: 1px solid rgba(74, 201, 120, 0.2);
    color: #4ac978;
}

.form-notification.error {
    background: rgba(201, 74, 74, 0.1);
    border: 1px solid rgba(201, 74, 74, 0.2);
    color: #c94a4a;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-black);
    border-top: 1px solid var(--color-charcoal);
    padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-off-white);
    display: block;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--color-gray);
    margin-bottom: var(--space-md);
}

.footer-quote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-gray-light);
    line-height: 1.6;
    border-left: 2px solid var(--color-gold);
    padding-left: var(--space-md);
}

.footer-quote cite {
    display: block;
    margin-top: var(--space-xs);
    font-family: var(--font-sans);
    font-style: normal;
    font-size: 0.75rem;
    color: var(--color-gray);
    letter-spacing: 0.1em;
}

.footer-heading {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-off-white);
    margin-bottom: var(--space-md);
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--color-gray-light);
    transition: color var(--transition-fast);
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition-base);
}

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

.footer-links a:hover::after {
    width: 100%;
}

.footer-social-links {
    display: flex;
    gap: var(--space-sm);
}

.footer-social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-light);
    transition: all var(--transition-fast);
}

.footer-social-links a:hover {
    background: var(--color-gold);
    color: var(--color-black);
    border-color: var(--color-gold);
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-charcoal);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-copyright,
.footer-credit {
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--color-gray);
    letter-spacing: 0.05em;
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal.delay-1 { transition-delay: 0.1s; }
.scroll-reveal.delay-2 { transition-delay: 0.2s; }
.scroll-reveal.delay-3 { transition-delay: 0.3s; }
.scroll-reveal.delay-4 { transition-delay: 0.4s; }

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about-image {
        height: 450px;
    }

    .about-content {
        padding-left: 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .timeline-item {
        grid-template-columns: 1fr 3fr;
        gap: var(--space-lg);
    }

    .timeline-line {
        left: 1.5rem;
    }

    .timeline-dot {
        left: 1.5rem;
    }

    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-date,
    .timeline-item:nth-child(odd) .timeline-date {
        grid-column: auto;
        text-align: left;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

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

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-black);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        transition: right var(--transition-smooth);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1rem;
    }

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item.large,
    .gallery-item.tall,
    .gallery-item.wide {
        grid-column: span 1;
        grid-row: span 1;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: var(--space-xl);
    }

    .timeline-line {
        left: 0.5rem;
    }

    .timeline-dot {
        left: 0.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .lightbox-nav {
        display: none;
    }

    .lightbox-content {
        padding: var(--space-lg);
    }

    section {
        padding: var(--space-2xl) 0;
    }

    .about-achievements {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .achievement-number {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .contact-form-wrapper {
        padding: var(--space-lg);
    }

    .about-image {
        height: 350px;
    }

    .achievement-number {
        font-size: 1.8rem;
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ============================================
   FOCUS STYLES (Accessibility)
   ============================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    #navbar,
    #cursor-glow,
    #cursor-dot,
    #scroll-progress,
    #back-to-top,
    #loading-screen,
    .hero-particles,
    .hero-scroll-indicator,
    .gallery-filters,
    .lightbox,
    .theme-toggle,
    .nav-toggle {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    section {
        padding: 2rem 0;
        page-break-inside: avoid;
    }
}