/* ===== CSS Variables ===== */
:root {
    --color-bg: #08080c;
    --color-bg-elevated: #0e0e14;
    --color-bg-card: #14141c;
    --color-navy: #1a2d4a;
    --color-navy-light: #2a4a6a;
    --color-navy-glow: #3a6a9a;
    --color-accent: #5a8ab8;
    --color-accent-muted: #4a7aa8;
    --color-text: #f0f0f5;
    --color-text-muted: #909098;
    --color-text-subtle: #606068;
    --color-border: #252530;
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Raleway', -apple-system, sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    overflow-x: hidden;
}

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

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

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 5rem;
    transition: var(--transition-smooth);
}

.nav.scrolled {
    padding: 1.25rem 5rem;
    background: rgba(8, 8, 12, 0.95);
    backdrop-filter: blur(20px);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 400;
    letter-spacing: 0.03em;
}

.nav-links {
    display: flex;
    gap: 3.5rem;
}

.nav-links a {
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    transform: translateX(-50%) scale(0);
    transition: var(--transition-smooth);
}

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

.nav-links a:hover::before {
    transform: translateX(-50%) scale(1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 1px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    background: 
        radial-gradient(ellipse at 30% 70%, rgba(26, 45, 74, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(42, 74, 106, 0.08) 0%, transparent 50%),
        var(--color-bg);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><filter id="noise"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="4" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23noise)"/></svg>');
    opacity: 0.02;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 2.5rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 12vw, 8rem);
    font-weight: 400;
    line-height: 1.05;
    margin-bottom: 2.5rem;
}

.hero-title span {
    display: block;
}

.hero-title-accent {
    font-style: italic;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    max-width: 480px;
    margin: 0 auto;
    font-weight: 300;
}

.hero-scroll {
    position: absolute;
    bottom: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-scroll-line {
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scroll-fade 2.5s ease-in-out infinite;
}

@keyframes scroll-fade {
    0%, 100% { opacity: 0.2; height: 60px; }
    50% { opacity: 0.8; height: 80px; }
}

/* ===== Section Styling ===== */
.section-header {
    margin-bottom: 5rem;
}

.section-label {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    display: block;
    margin-bottom: 1.5rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.section-description {
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-top: 1rem;
    font-weight: 300;
}

/* ===== Portfolio Section ===== */
.portfolio {
    padding: 10rem 5rem;
}

.gallery {
    display: flex;
    flex-direction: column;
    gap: 8rem;
}

.gallery-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.gallery-item:nth-child(even) {
    direction: rtl;
}

.gallery-item:nth-child(even) > * {
    direction: ltr;
}

.gallery-item--featured {
    grid-template-columns: 1.5fr 1fr;
}

.gallery-item--featured:nth-child(even) {
    grid-template-columns: 1fr 1.5fr;
}

.gallery-image {
    position: relative;
    overflow: hidden;
}

.gallery-image::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--color-border);
    pointer-events: none;
    z-index: 1;
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-image::before {
    border-color: var(--color-navy-light);
}

.gallery-image img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    filter: grayscale(30%) brightness(0.95);
    transition: var(--transition-slow);
}

.gallery-item--featured .gallery-image img {
    aspect-ratio: 16/10;
}

.gallery-item:hover .gallery-image img {
    filter: grayscale(0%) brightness(1);
    transform: scale(1.02);
}

.gallery-info {
    padding: 2rem 0;
}

.gallery-number {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-accent);
    display: block;
    margin-bottom: 1.5rem;
}

.gallery-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
    transition: var(--transition-fast);
}

.gallery-item:hover .gallery-title {
    color: var(--color-accent);
}

.gallery-meta {
    font-size: 0.8125rem;
    color: var(--color-text-subtle);
    letter-spacing: 0.05em;
}

/* ===== Collections Section ===== */
.collections {
    padding: 8rem 5rem 10rem;
    background: var(--color-bg-elevated);
}

.collections-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.collection-card {
    position: relative;
    display: block;
    overflow: hidden;
}

.collection-image {
    position: relative;
    overflow: hidden;
}

.collection-image img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    filter: grayscale(40%) brightness(0.7);
    transition: var(--transition-slow);
}

.collection-card:hover .collection-image img {
    filter: grayscale(0%) brightness(0.85);
    transform: scale(1.05);
}

.collection-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2.5rem;
    background: linear-gradient(
        to top,
        rgba(8, 8, 12, 0.95) 0%,
        rgba(8, 8, 12, 0.4) 50%,
        transparent 100%
    );
}

.collection-content h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.collection-content p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    font-weight: 300;
}

.collection-count {
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
}

/* ===== About Section ===== */
.about {
    padding: 10rem 5rem;
}

.about-inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 8rem;
    align-items: start;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    filter: grayscale(50%);
    transition: var(--transition-slow);
}

.about-image:hover img {
    filter: grayscale(20%);
}

.about-image-frame {
    position: absolute;
    top: 2rem;
    left: 2rem;
    right: -2rem;
    bottom: -2rem;
    border: 1px solid var(--color-navy);
    z-index: -1;
}

.about-content {
    padding-top: 2rem;
}

.about-text {
    margin-bottom: 3rem;
}

.about-lead {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-style: italic;
}

.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    font-weight: 300;
}

.about-recognition {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.about-recognition h4 {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.about-recognition ul {
    list-style: none;
}

.about-recognition li {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
    font-weight: 300;
}

.about-recognition li:last-child {
    border-bottom: none;
}

/* ===== Statement Section ===== */
.statement {
    padding: 8rem 5rem;
    background: var(--color-bg-elevated);
    text-align: center;
}

.statement blockquote {
    max-width: 900px;
    margin: 0 auto;
}

.statement p {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 400;
    font-style: italic;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 2rem;
}

.statement cite {
    font-style: normal;
    font-size: 0.8125rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

/* ===== Contact Section ===== */
.contact {
    padding: 10rem 5rem;
    background: 
        radial-gradient(ellipse at 50% 80%, rgba(26, 45, 74, 0.15) 0%, transparent 50%),
        var(--color-bg);
}

.contact-inner {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info {
    margin-top: 3rem;
}

.contact-email {
    display: inline-block;
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-style: italic;
    margin-bottom: 3rem;
    position: relative;
    transition: var(--transition-fast);
}

.contact-email::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: var(--transition-smooth);
}

.contact-email:hover {
    color: var(--color-accent);
}

.contact-email:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.contact-social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
}

.social-link:hover {
    color: var(--color-text);
    border-color: var(--color-accent);
    background: var(--color-navy);
}

/* ===== Footer ===== */
.footer {
    padding: 2.5rem 5rem;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--color-text-subtle);
    letter-spacing: 0.05em;
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .collections-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item,
    .gallery-item--featured,
    .gallery-item--featured:nth-child(even) {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 968px) {
    .nav {
        padding: 1.5rem 2rem;
    }
    
    .nav.scrolled {
        padding: 1.25rem 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .portfolio,
    .collections,
    .about,
    .statement,
    .contact {
        padding: 6rem 2rem;
    }
    
    .gallery-item,
    .gallery-item:nth-child(even) {
        grid-template-columns: 1fr;
        gap: 2rem;
        direction: ltr;
    }
    
    .about-inner {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .about-image {
        max-width: 400px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 6rem 1.5rem 4rem;
    }
    
    .collections-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}

/* ===== Selection ===== */
::selection {
    background: var(--color-navy);
    color: var(--color-text);
}

/* ===== Animations ===== */
@media (prefers-reduced-motion: no-preference) {
    .gallery-item {
        opacity: 0;
        transform: translateY(40px);
    }
    
    .gallery-item.visible {
        animation: revealUp 1s ease forwards;
    }
    
    .collection-card {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .collection-card.visible {
        animation: revealUp 0.8s ease forwards;
    }
}

@keyframes revealUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Gallery Categories ===== */
.gallery-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 4rem;
}

.category-btn {
    padding: 0.5rem 1.25rem;
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.category-btn:hover,
.category-btn.active {
    color: var(--color-text);
    border-color: var(--color-accent);
    background: var(--color-navy);
}

.gallery-loading {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ===== Lightbox ===== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.97);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--color-accent);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 1.25rem;
    padding: 1rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-fast);
}

.lightbox-prev { left: 2rem; }
.lightbox-next { right: 2rem; }

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--color-navy);
    border-color: var(--color-accent);
}

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

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
}

.lightbox-caption {
    text-align: center;
    padding: 1.5rem;
}

.lightbox-caption h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.lightbox-caption p {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

/* ===== Dynamic Gallery Grid ===== */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background: var(--color-bg-card);
    border-radius: 4px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.gallery-item .gallery-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-bg-elevated);
}

.gallery-item .gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease, opacity 0.4s ease;
    opacity: 0;
}

.gallery-item .gallery-image img.loaded {
    opacity: 1;
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.05);
}

.gallery-item .gallery-info {
    padding: 1.25rem;
    background: var(--color-bg-card);
}

.gallery-item .gallery-number {
    font-size: 0.6875rem;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    display: block;
}

.gallery-item .gallery-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.gallery-item .gallery-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Image Loading Skeleton */
.gallery-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        var(--color-bg-elevated) 0%,
        var(--color-bg-card) 50%,
        var(--color-bg-elevated) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    z-index: 1;
}

.gallery-image.loaded::before {
    display: none;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Page Loading Overlay */
.gallery-loading {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.gallery-loading::after {
    content: '';
    display: block;
    width: 40px;
    height: 40px;
    margin: 1.5rem auto 0;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Collections Grid */
.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .gallery {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .gallery-item .gallery-image {
        aspect-ratio: 16/10;
    }
}

@media (max-width: 640px) {
    .lightbox-prev,
    .lightbox-next {
        padding: 0.75rem;
        font-size: 1rem;
    }
    
    .lightbox-prev { left: 1rem; }
    .lightbox-next { right: 1rem; }
}