/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    --bg-dark: #0A0A0C;
    --bg-card: rgba(22, 22, 26, 0.65);
    --bg-header: rgba(10, 10, 12, 0.85);
    --border-color: rgba(197, 168, 128, 0.15);
    --border-hover: rgba(197, 168, 128, 0.4);
    
    /* Brand Colors */
    --accent: #C5A880; /* Antique Gold */
    --accent-bright: #E5D9C2;
    --accent-dark: #8E734E;
    
    /* Text Colors */
    --text-primary: #F3F3F4;
    --text-secondary: #A0A0AA;
    --text-muted: #6B6B72;
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', Helvetica, sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.2s ease;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    position: relative;
}

body::-webkit-scrollbar {
    width: 8px;
}

body::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

body::-webkit-scrollbar-thumb {
    background: var(--accent-dark);
    border-radius: 4px;
}

body::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

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

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

li {
    list-style: none;
}

/* ==========================================================================
   CUSTOM CURSOR
   ========================================================================== */
.custom-cursor {
    width: 8px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: width 0.3s, height 0.3s, background-color 0.3s;
}

.custom-cursor-follower {
    width: 32px;
    height: 32px;
    border: 1px solid var(--accent);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.1s ease-out, width 0.3s, height 0.3s, border-color 0.3s;
}

/* Hover State for Cursor */
.cursor-hover .custom-cursor {
    width: 16px;
    height: 16px;
    background-color: var(--accent-bright);
}

.cursor-hover .custom-cursor-follower {
    width: 48px;
    height: 48px;
    border-color: var(--accent-bright);
    background-color: rgba(197, 168, 128, 0.05);
}

/* ==========================================================================
   TYPOGRAPHY & UTILITIES
   ========================================================================== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 30px;
}

.section-padding {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 3rem;
    position: relative;
    display: inline-block;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.section-divider {
    width: 60px;
    height: 2px;
    background-color: var(--accent);
    margin: 0 auto 20px auto;
    position: relative;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 6px;
    height: 6px;
    background-color: var(--bg-dark);
    border: 1px solid var(--accent);
}

.section-divider.left {
    margin: 0 0 20px 0;
}

.section-divider.left::before {
    left: 10px;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.highlight {
    color: var(--accent);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    border-radius: 0;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg-dark);
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent);
    box-shadow: 0 0 15px rgba(197, 168, 128, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 15px rgba(197, 168, 128, 0.2);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
    background-color: transparent;
}

.site-header.scrolled {
    padding: 12px 0;
    background-color: var(--bg-header);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    line-height: 1.1;
    color: var(--text-primary);
}

.logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--accent);
    margin-top: 2px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    position: relative;
    padding: 5px 0;
}

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

.nav-link:hover {
    color: var(--accent);
}

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

/* Mobile Toggle */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1100;
}

.mobile-menu-toggle .bar {
    width: 24px;
    height: 1px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

.mobile-menu-toggle.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(10, 10, 12, 0.98);
    z-index: 1050;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.mobile-nav-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.mobile-nav-link:hover {
    color: var(--accent);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    height: 100vh;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center 30%;
    transform: scale(1.05);
    animation: zoomOut 20s infinite alternate ease-in-out;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 6rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 300;
    text-shadow: 0 4px 15px rgba(0,0,0,0.5);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1.2s forwards cubic-bezier(0.25, 0.8, 0.25, 1);
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1.2s 0.3s forwards cubic-bezier(0.25, 0.8, 0.25, 1);
}

.hero-cta-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1.2s 0.6s forwards cubic-bezier(0.25, 0.8, 0.25, 1);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    animation: fadeIn 2s 1.2s forwards;
    cursor: pointer;
}

.scroll-indicator .mouse {
    width: 20px;
    height: 35px;
    border: 1px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator .wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 1.5s infinite;
}

.scroll-text {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
}

/* ==========================================================================
   PROJECTS GALLERY
   ========================================================================== */
.filter-controls {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 20px;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 10px rgba(197, 168, 128, 0.15);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px rgba(0,0,0,0.4), 0 0 15px rgba(197, 168, 128, 0.1);
}

.project-image-box {
    position: relative;
    padding-top: 65%; /* 16:9 Aspect Ratio */
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.5);
}

.project-image-box img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-image-box img {
    transform: scale(1.08);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(10, 10, 12, 0.9), transparent 60%);
    opacity: 0.8;
    transition: var(--transition-smooth);
}

.project-card:hover .project-overlay {
    opacity: 0.9;
}

.project-details-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--accent);
    color: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    opacity: 0;
    transform: translate(10px, 10px);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.project-card:hover .project-details-btn {
    opacity: 1;
    transform: translate(0, 0);
}

.project-details-btn:hover {
    background-color: var(--text-primary);
    transform: scale(1.1);
}

.project-info {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-meta-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.project-tag {
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
}

.project-year {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.project-card-title {
    font-size: 1.6rem;
    margin-bottom: 12px;
    line-height: 1.2;
    transition: var(--transition-fast);
}

.project-card:hover .project-card-title {
    color: var(--accent);
}

.project-description {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-role {
    font-size: 0.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
    color: var(--text-muted);
}

.project-role span {
    font-weight: 500;
    color: var(--text-secondary);
}

/* ==========================================================================
   DIGITAL BOOK (SLIDER)
   ========================================================================== */
.book-section {
    background-image: radial-gradient(circle at center, rgba(197, 168, 128, 0.03) 0%, transparent 70%);
}

.book-viewer-wrapper {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
}

.book-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 25px;
}

.book-control-btn {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.book-control-btn:hover {
    background-color: var(--accent);
    color: var(--bg-dark);
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(197, 168, 128, 0.3);
}

.book-display {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    max-height: 580px;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.book-page-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.book-page-img {
    max-width: 100%;
    max-height: 550px;
    object-fit: contain;
    transition: opacity 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.book-page-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-dark);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 5;
}

.book-page-loader.active {
    display: flex;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(197, 168, 128, 0.15);
    border-top: 2px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s infinite linear;
}

.book-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.book-page-info {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--text-secondary);
}

.book-actions {
    display: flex;
    gap: 15px;
}

.action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.action-btn:hover {
    color: var(--accent);
}

/* Page Thumbnails */
.thumbnails-container-outer {
    overflow-x: auto;
    padding: 10px 0;
    margin-top: 10px;
}

.thumbnails-container-outer::-webkit-scrollbar {
    height: 4px;
}

.thumbnails-container-outer::-webkit-scrollbar-thumb {
    background: rgba(197, 168, 128, 0.2);
    border-radius: 2px;
}

.thumbnails-slider {
    display: flex;
    gap: 12px;
}

.thumb-page {
    flex-shrink: 0;
    width: 60px;
    height: 80px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    overflow: hidden;
    opacity: 0.5;
    transition: var(--transition-fast);
}

.thumb-page img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb-page:hover, .thumb-page.active {
    opacity: 1;
    border-color: var(--accent);
    transform: scale(1.05);
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border: 1px solid var(--border-color);
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.02);
}

.about-img {
    width: 100%;
    height: auto;
    filter: saturate(0.85) contrast(1.05);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    transition: var(--transition-smooth);
}

.about-image-wrapper:hover .about-img {
    filter: saturate(1) contrast(1);
}

.image-overlay-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.8);
    pointer-events: none;
}

.about-title {
    font-size: 3.5rem;
    margin-bottom: 10px;
}

.about-quote {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    line-height: 1.6;
    font-style: italic;
    color: var(--accent-bright);
    margin-bottom: 25px;
}

.about-bio {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.about-bio p {
    margin-bottom: 15px;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 35px;
}

.detail-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.detail-icon {
    font-size: 1.2rem;
    color: var(--accent);
    background-color: rgba(197, 168, 128, 0.05);
    border: 1px solid var(--border-color);
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.detail-text {
    font-size: 0.9rem;
    line-height: 1.6;
}

.detail-text strong {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.detail-text ul {
    margin-top: 5px;
}

.detail-text li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.detail-text li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.detail-text p {
    color: var(--text-secondary);
}

.kinopoisk-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--accent);
    padding: 12px 25px;
    color: var(--accent);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.kinopoisk-link:hover {
    background-color: var(--accent);
    color: var(--bg-dark);
    box-shadow: 0 0 15px rgba(197, 168, 128, 0.3);
}

/* ==========================================================================
   CONTACTS SECTION
   ========================================================================== */
.contacts-section {
    background-color: #0d0d10;
}

.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

.contact-cards-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.contact-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.card-icon {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.contact-card h3 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.card-link {
    font-size: 1.1rem;
    color: var(--text-primary);
    display: block;
    margin-bottom: 5px;
}

.card-link:hover {
    color: var(--accent);
}

.card-text {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.messenger-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.messenger-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.messenger-link i {
    font-size: 1.1rem;
}

.messenger-link.whatsapp:hover {
    color: #25D366;
    border-color: #25D366;
    background-color: rgba(37, 211, 102, 0.05);
    box-shadow: 0 0 10px rgba(37, 211, 102, 0.2);
}

.messenger-link.telegram:hover {
    color: #0088cc;
    border-color: #0088cc;
    background-color: rgba(0, 136, 204, 0.05);
    box-shadow: 0 0 10px rgba(0, 136, 204, 0.2);
}

.contact-form-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 40px;
    backdrop-filter: blur(10px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 12px 18px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background-color: rgba(255, 255, 255, 0.04);
}

.success-message {
    margin-top: 20px;
    background-color: rgba(46, 204, 113, 0.1);
    border: 1px solid #2ecc71;
    color: #2ecc71;
    padding: 15px;
    font-size: 0.9rem;
    display: none;
    align-items: center;
    gap: 10px;
}

.success-message.active {
    display: flex;
}

.success-message.error {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: #e74c3c;
    color: #e74c3c;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center;
    background-color: var(--bg-dark);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-credits {
    letter-spacing: 0.05em;
}

/* ==========================================================================
   MODAL / LIGHTBOX
   ========================================================================== */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(6, 6, 8, 0.98);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.lightbox-modal.active {
    display: flex;
    opacity: 1;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    z-index: 2010;
    transition: var(--transition-fast);
}

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

.lightbox-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 2010;
}

.lightbox-nav-btn:hover {
    background-color: var(--accent);
    color: var(--bg-dark);
    border-color: var(--accent);
}

.lightbox-nav-btn.prev {
    left: 40px;
}

.lightbox-nav-btn.next {
    right: 40px;
}

.lightbox-content {
    max-width: 85%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-image-wrapper {
    position: relative;
    max-width: 100%;
    max-height: 75vh;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.8);
    cursor: zoom-out;
}

.lightbox-img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
}

.lightbox-caption {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--accent-bright);
    margin-top: 20px;
    text-align: center;
}

/* =font zoom state */
.lightbox-image-wrapper.zoomed .lightbox-img {
    transform: scale(1.6);
    cursor: zoom-out;
}

.lightbox-image-wrapper.zoomed {
    overflow: auto;
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-animate.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   ANIMATIONS KEYFRAMES
   ========================================================================== */
@keyframes zoomOut {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.0); }
}

@keyframes fadeUp {
    0% { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes scrollWheel {
    0% { opacity: 1; top: 6px; }
    50% { opacity: 0.3; top: 18px; }
    100% { opacity: 0; top: 18px; }
}

/* ==========================================================================
   MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .contacts-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        letter-spacing: 0.2em;
    }
    
    .hero-cta-group {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .book-viewer-wrapper {
        padding: 15px;
    }
    
    .book-control-btn {
        width: 40px;
        height: 40px;
    }
    
    .book-page-img {
        max-height: 400px;
    }
    
    .lightbox-nav-btn {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .lightbox-nav-btn.prev {
        left: 15px;
    }
    
    .lightbox-nav-btn.next {
        right: 15px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .custom-cursor, .custom-cursor-follower {
        display: none; /* Disable custom cursor on mobile */
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .book-controls {
        gap: 10px;
    }
    
    .book-page-img {
        max-height: 280px;
    }
    
    .contact-form-container {
        padding: 25px 20px;
    }
}