/* =======================================================
   oboi.mn — Canvas & Ivy Premium Wallpaper Redesign
   ======================================================= */

/* 1. Core Variables & Setup */
:root {
    /* Refined neutral luxury palette (canvasandivy-inspired) */
    --primary-color: #2e2c28;      /* Deep warm charcoal — primary ink + CTAs */
    --primary-light: #45423b;
    --secondary-color: #9c7a5c;    /* Muted warm taupe accent (subtle) */
    --secondary-hover: #7e6147;
    --accent-secondary: #879b80;   /* Muted sage green */
    --bg-main: #f7f4ee;            /* Soft warm off-white canvas */
    --bg-card: #ffffff;            /* Pure white cards */
    --bg-alt: #efe9df;             /* Slightly deeper neutral band */
    --bg-dark: #26241f;            /* Dark charcoal for sections/footer */
    --text-main: #57544d;          /* Soft charcoal body text */
    --text-heading: #2e2c28;       /* Deep charcoal headings */
    --text-muted: #8d897f;         /* Muted gray-brown text */
    --text-light: #ffffff;
    --link-color: #9c7a5c;
    --star-color: #b08968;
    --border-color: #e4ddd0;       /* Delicate warm border */

    /* Layout Variables */
    --header-height: 84px;
    --header-shrink-height: 70px;
    --border-radius: 4px;          /* Crisp, architectural corners */
    --border-radius-pill: 4px;
    --transition-speed: 0.35s;
    --max-width: 1440px;
    --section-gap: 64px;
    --grid-gap: 20px;

    /* Typography — clean sans throughout, serif italic only for eyebrows */
    --font-heading: 'Figtree', system-ui, sans-serif;
    --font-accent: 'Cormorant Garamond', serif;
    --font-body: 'Figtree', system-ui, sans-serif;
    --heading-weight: 600;
    --heading-letter-spacing: -0.01em;
    --heading-transform: none;
    --body-letter-spacing: 0px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.7;
    overflow-x: hidden;
    letter-spacing: var(--body-letter-spacing);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 48px;
}

/* 2. Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 3. Typography & Titles */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--heading-weight);
    color: var(--text-heading);
    line-height: 1.25;
    letter-spacing: var(--heading-letter-spacing);
    text-transform: var(--heading-transform);
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header.align-left {
    text-align: left;
    margin-bottom: 36px;
}

.sub-title {
    font-family: var(--font-body);
    font-style: normal;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--secondary-color);
    font-weight: 600;
    display: block;
    margin-bottom: 14px;
}

.section-title {
    font-size: 2.6rem;
    font-weight: 600;
    position: relative;
    letter-spacing: -0.015em;
    line-height: 1.15;
    color: var(--text-heading);
}

.divider {
    width: 80px;
    height: 1px;
    background-color: var(--secondary-color);
    opacity: 0.6;
    margin: 16px auto 0 auto;
}

.section-header.align-left .divider {
    margin: 12px 0 0 0;
}

/* Text Center Helper */
.text-center {
    text-align: center;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 36px;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.74em;
    cursor: pointer;
    border: 1px solid transparent;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: all var(--transition-speed) ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #1c1a17;
    border-color: #1c1a17;
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(46, 44, 40, 0.22);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.7);
}

.btn-secondary:hover {
    background-color: var(--text-light);
    color: var(--primary-color);
    border-color: var(--text-light);
    transform: translateY(-2px);
}

/* 4. Header & Navigation */
.announcement-bar {
    background-color: var(--bg-dark);
    color: var(--text-light);
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    position: relative;
    z-index: 1001;
}

.announcement-bar p {
    margin: 0;
    padding: 0;
}

header {
    position: fixed;
    top: 40px;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.97);
    z-index: 1000;
    transition: all var(--transition-speed) ease;
    border-bottom: 1px solid var(--border-color);
}

header.scrolled {
    top: 0;
    height: var(--header-shrink-height);
    background-color: rgba(255, 255, 255, 0.99);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.header-container {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo.text-logo {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1.6rem;
    color: var(--text-heading);
    letter-spacing: 3px;
    text-transform: uppercase;
    text-decoration: none;
    transition: font-size var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
}

.logo.text-logo span {
    color: var(--secondary-color);
}

header.scrolled .logo.text-logo {
    font-size: 1.4rem;
}

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

.nav-link {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.82rem;
    color: var(--text-main);
    position: relative;
    padding: 8px 0;
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-nav {
    padding: 10px 22px;
    font-size: 0.7rem;
    background-color: var(--primary-color);
    color: var(--text-light);
    border: 1px solid var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-family: var(--font-body);
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
}

.btn-nav:hover {
    background-color: #1c1a17;
    border-color: #1c1a17;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-heading);
    cursor: pointer;
}

/* Nav Search Box */
.nav-search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 6px 14px;
    width: 180px;
    transition: all var(--transition-speed) ease;
}

.nav-search-wrapper:focus-within {
    width: 240px;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(145, 101, 9, 0.1);
}

.nav-search-wrapper .search-icon {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-right: 8px;
}

.nav-search-input {
    border: none;
    background: none;
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--text-heading);
    width: 100%;
    outline: none;
}

/* Language Selector */
.lang-selector {
    position: relative;
    display: inline-block;
}

.lang-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-heading);
    padding: 7px 14px;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.78rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-speed) ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lang-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    z-index: 100;
    min-width: 140px;
    overflow: hidden;
}

.lang-dropdown.show {
    display: block;
}

.lang-option {
    display: block;
    padding: 10px 16px;
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: var(--text-main);
    transition: background-color var(--transition-speed) ease;
    text-align: left;
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
}

.lang-option:hover {
    background-color: var(--bg-card);
    color: var(--secondary-color);
}

.lang-option.active {
    background-color: var(--secondary-color);
    color: var(--text-light);
}

/* 5. Hero Banner Video Section */
.hero-section {
    position: relative;
    height: 90vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
    z-index: 1;
    opacity: 0.85;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(59, 57, 51, 0.4), rgba(59, 57, 51, 0.6));
    z-index: 2;
}

.hero-section .slide-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    padding: 24px;
    text-align: center;
    color: var(--text-light);
    transform: translateY(0);
    animation: fadeIn var(--transition-speed) ease forwards;
}

.slide-tag {
    font-family: var(--font-accent);
    font-size: 1.4rem;
    font-style: italic;
    font-weight: 400;
    color: #f3ede3;
    display: inline-block;
    margin-bottom: 16px;
    text-transform: none;
    letter-spacing: 0px;
}

.slide-title {
    font-family: var(--font-heading);
    font-size: 4.2rem;
    color: var(--text-light);
    margin-bottom: 28px;
    line-height: 1.08;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-transform: none;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.28);
}

.slide-desc {
    font-size: 1.15rem;
    margin-bottom: 40px;
    opacity: 0.95;
    font-weight: 400;
    line-height: 1.75;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.slide-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Keyframes */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 6. Eco Benefits Bar */
.eco-benefits-bar {
    padding: var(--section-gap) 0;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.eco-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--grid-gap);
}

.eco-item {
    background-color: var(--bg-main);
    padding: 32px 24px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.eco-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    border-color: var(--secondary-color);
}

.eco-item i {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 16px;
    transition: transform 0.3s ease;
}

.eco-item:hover i {
    transform: scale(1.1);
}

.eco-item h4 {
    font-size: 0.95rem;
    margin-bottom: 10px;
    color: var(--text-heading);
    letter-spacing: 0.01em;
    font-weight: 600;
}

.eco-item p {
    font-size: 0.82rem;
    color: var(--text-main);
    line-height: 1.6;
}

/* 7. Showroom Teaser Section */
.showroom-teaser-section {
    padding: 80px 0;
    background-color: var(--bg-main);
}

.teaser-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.teaser-image {
    height: 520px;
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
}

.teaser-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.05) 0%, transparent 100%);
}

.teaser-info .sub-title {
    margin-bottom: 16px;
}

.teaser-info h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    line-height: 1.3;
}

.teaser-info p {
    color: var(--text-main);
    font-size: 0.95rem;
    margin-bottom: 30px;
    line-height: 1.8;
}

/* 8. Gallery Teaser Section */
.gallery-teaser-section {
    padding: 80px 0;
    background-color: var(--bg-card);
}

/* Gallery Filter Buttons */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.78rem;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    color: var(--text-main);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.filter-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.filter-btn.active {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--text-light);
}

/* Completed Walls Mosaic Grid */
.finished-walls-section {
    padding: 80px 0;
    background-color: var(--bg-main);
}

.finished-intro {
    max-width: 680px;
    margin: -20px auto 40px auto;
    color: var(--text-main);
}

.walls-mosaic-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 260px;
    gap: var(--grid-gap);
    transition: all var(--transition-speed) ease;
}

.wall-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.wall-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.wall-card.size-large {
    grid-column: span 2;
    grid-row: span 2;
}

.wall-card.size-tall {
    grid-row: span 2;
}

.wall-card.size-wide {
    grid-column: span 2;
}

.wall-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(33, 35, 38, 0.85) 0%, transparent 60%);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 5;
}

.wall-card:hover .wall-hover-overlay {
    opacity: 1;
}

.wall-card:hover img {
    transform: scale(1.04);
}

.wall-text-box {
    color: var(--text-light);
}

.wall-tag {
    font-family: var(--font-body);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: #e8d9c6;
    margin-bottom: 6px;
    display: block;
}

.wall-text-box h4 {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 400;
    letter-spacing: 1px;
}

.wall-zoom {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.92);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: transform var(--transition-speed) ease;
}

.wall-card:hover .wall-zoom {
    transform: scale(1.05);
}

/* 9. About / Testimonial Teaser Section */
.about-teaser-section {
    padding: 80px 0;
    background-color: var(--bg-main);
}

.about-section {
    padding: 80px 0;
    background-color: var(--bg-card);
}

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

.about-info h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.about-desc {
    color: var(--text-main);
    font-size: 0.95rem;
    margin-bottom: 30px;
    line-height: 1.8;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: rgba(145, 101, 9, 0.1);
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
    margin-top: 2px;
}

.feature-text {
    font-size: 0.9rem;
    color: var(--text-main);
    line-height: 1.6;
}

.feature-text strong {
    color: var(--text-heading);
}

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

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

.about-image {
    width: 100%;
    height: 520px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image-card:hover .about-image {
    transform: scale(1.02);
}

.experience-badge {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 20px 28px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 14px;
    border-left: 3px solid var(--secondary-color);
}

.badge-num {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 400;
    color: var(--secondary-color);
    line-height: 1;
}

.badge-text {
    font-size: 0.78rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Tips / Decorator Card */
.tips-decor {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.decorator-card {
    padding: 40px;
    border-radius: var(--border-radius);
    background-size: cover;
    background-position: center;
    min-height: 280px;
    display: flex;
    align-items: flex-end;
}

.decorator-content {
    color: var(--text-light);
}

.quote-icon {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.quote-text {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.quote-author strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.quote-author span {
    font-size: 0.78rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stats-box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
}

.stat-item {
    background-color: var(--bg-card);
    padding: 28px 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
}

.stat-item:hover {
    border-color: var(--secondary-color);
    transform: translateY(-3px);
}

.stat-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--secondary-color);
    margin-bottom: 4px;
    letter-spacing: 2px;
}

.stat-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* 10. Swatch Gallery (Spoonflower-style) */
.swatch-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--grid-gap);
    margin-top: 40px;
}

.visualizer-intro {
    max-width: 700px;
    margin: 0 auto 30px auto;
    color: var(--text-main);
}

.swatch-card {
    background-color: var(--bg-main);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
}

.swatch-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.swatch-image-box {
    position: relative;
    height: 300px;
    overflow: hidden;
    background-color: var(--bg-card);
}

.swatch-image-box img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.swatch-image-box img.active {
    opacity: 1;
}

.swatch-card:hover .swatch-image-box img.active {
    transform: scale(1.03);
}

.swatch-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 5px 12px;
    border-radius: var(--border-radius);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    z-index: 5;
}

.swatch-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--border-color);
}

.view-toggle-btn {
    border: none;
    background: none;
    padding: 10px;
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.view-toggle-btn.active {
    background-color: var(--secondary-color);
    color: var(--text-light);
}

.view-toggle-btn:not(.active):hover {
    background-color: var(--bg-card);
    color: var(--secondary-color);
}

.swatch-info {
    padding: 20px;
    flex-grow: 1;
}

.swatch-info h4 {
    font-size: 0.95rem;
    margin-bottom: 8px;
    transition: color var(--transition-speed) ease;
}

.swatch-card:hover .swatch-info h4 {
    color: var(--secondary-color);
}

.swatch-info p {
    color: var(--text-main);
    font-size: 0.82rem;
    line-height: 1.5;
}

/* 11. Trends Section */
.trends-section {
    padding: 80px 0;
    background-color: var(--bg-main);
}

.trends-grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--grid-gap);
}

.trend-card {
    background-color: var(--bg-main);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.trend-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.trend-image-box {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.trend-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.trend-card:hover .trend-image-box img {
    transform: scale(1.04);
}

.trend-num {
    position: absolute;
    bottom: 12px;
    right: 12px;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--text-light);
    line-height: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    letter-spacing: 2px;
}

.trend-content {
    padding: 24px;
}

.trend-content h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-heading);
    transition: color var(--transition-speed) ease;
}

.trend-card:hover .trend-content h3 {
    color: var(--secondary-color);
}

.trend-content p {
    color: var(--text-main);
    font-size: 0.82rem;
    line-height: 1.6;
}

/* 12. Customizer Section */
.customizer-section {
    padding: 80px 0;
    background-color: var(--bg-card);
}

.customizer-grid-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: flex-start;
}

.customizer-preview {
    position: sticky;
    top: 110px;
}

.room-preview-container {
    position: relative;
    width: 100%;
    height: 480px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
}

.wallpaper-scaled-view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: background-image 0.5s ease, background-size 0.5s ease;
}

.room-furniture-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 60%),
                      radial-gradient(ellipse at bottom, rgba(255,255,255,0.05) 0%, rgba(0,0,0,0.3) 100%);
    pointer-events: none;
}

.room-furniture-overlay::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 160px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 200' fill='none'%3E%3Cpath d='M80 180h440v-60c0-11-9-20-20-20H100c-11 0-20 9-20 20v60z' fill='%23121820' opacity='0.85'/%3E%3Cpath d='M60 120c0-11 9-20 20-20h20v80H60v-60zM500 100c11 0 20 9 20 20v60h-40v-80h20z' fill='%231a2a3a' opacity='0.9'/%3E%3Crect x='100' y='140' width='400' height='20' rx='5' fill='%232c3e50'/%3E%3Crect x='120' y='180' width='30' height='20' fill='%230f1620'/%3E%3Crect x='450' y='180' width='30' height='20' fill='%230f1620'/%3E%3C/svg%3E") no-repeat center bottom;
    background-size: contain;
    opacity: 0.95;
}

.height-indicator, .width-indicator {
    position: absolute;
    background-color: var(--secondary-color);
    color: var(--text-light);
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 400;
    padding: 3px 8px;
    border-radius: 0;
    letter-spacing: 1px;
    z-index: 10;
}

.height-indicator {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 2px solid var(--text-light);
    border-right: 2px solid var(--text-light);
}

.height-indicator::before, .height-indicator::after {
    content: '';
    position: absolute;
    left: 50%;
    width: 2px;
    height: 150px;
    background-color: var(--secondary-color);
    transform: translateX(-50%);
}

.height-indicator::before { bottom: 100%; }
.height-indicator::after { top: 100%; }

.width-indicator {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    border-top: 2px solid var(--text-light);
    border-bottom: 2px solid var(--text-light);
}

.width-indicator::before, .width-indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    height: 2px;
    width: 150px;
    background-color: var(--secondary-color);
    transform: translateY(-50%);
}

.width-indicator::before { right: 100%; }
.width-indicator::after { left: 100%; }

.customizer-controls {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.control-box {
    background-color: var(--bg-main);
    padding: 24px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.control-box h3 {
    font-size: 0.9rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.swatches-selector {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 10px;
    margin-bottom: 12px;
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-color) transparent;
}

.swatches-selector::-webkit-scrollbar {
    height: 4px;
}

.swatches-selector::-webkit-scrollbar-thumb {
    background-color: var(--secondary-color);
    border-radius: 0;
}

.swatch-item {
    flex: 0 0 64px;
    height: 64px;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.swatch-item:hover {
    border-color: var(--text-muted);
}

.swatch-item.active {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(145, 101, 9, 0.3);
}

.swatch-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.selected-wallpaper-info {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
    margin-top: 8px;
}

.selected-wallpaper-info h4 {
    font-size: 0.9rem;
    color: var(--text-heading);
    margin-bottom: 4px;
}

.selected-wallpaper-info p {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.custom-dims-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--grid-gap);
}

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

.dim-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-unit-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-unit-wrapper input {
    width: 100%;
    padding: 12px 35px 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-card);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-heading);
    outline: none;
    transition: border-color var(--transition-speed) ease;
}

.input-unit-wrapper input:focus {
    border-color: var(--secondary-color);
}

.input-unit-wrapper span {
    position: absolute;
    right: 15px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
}

.material-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.material-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-card);
    padding: 16px 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.material-card:hover {
    border-color: var(--secondary-color);
}

.material-card.active {
    border-color: var(--secondary-color);
    background-color: rgba(145, 101, 9, 0.04);
}

.mat-info h4 {
    font-size: 0.85rem;
    color: var(--text-heading);
    margin-bottom: 4px;
}

.mat-info p {
    font-size: 0.72rem;
    color: var(--text-muted);
    max-width: 250px;
    text-transform: none;
}

.mat-price {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--secondary-color);
    letter-spacing: 1px;
}

.live-price-card {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 28px;
    border-radius: var(--border-radius);
}

.live-price-card .price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.live-price-card .price-row strong {
    font-size: 0.95rem;
    color: var(--text-light);
}

.live-price-card .price-row.total {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 14px;
    margin-top: 14px;
    margin-bottom: 8px;
    font-size: 1rem;
    color: var(--text-light);
}

.live-price-card .price-row.total strong {
    font-size: 1.6rem;
    font-family: var(--font-heading);
    color: var(--secondary-color);
    font-weight: 400;
    letter-spacing: 2px;
}

.vat-shipping-note {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 20px;
}

.btn-order-trigger {
    width: 100%;
}

/* 13. Contact & Lead Form Section */
.contact-section {
    padding: 80px 0;
    background-color: var(--bg-main);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
}

.contact-form-wrapper {
    background-color: var(--bg-card);
    padding: 48px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.form-intro {
    color: var(--text-main);
    font-size: 0.9rem;
    margin-bottom: 28px;
    line-height: 1.7;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--grid-gap);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    color: var(--text-heading);
    font-family: var(--font-body);
    font-size: 0.88rem;
    transition: all var(--transition-speed) ease;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(145, 101, 9, 0.1);
}

.btn-submit {
    margin-top: 8px;
    align-self: flex-start;
    padding: 12px 32px;
}

.form-status {
    font-size: 0.85rem;
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: var(--border-radius);
    display: none;
}

.form-status.success {
    display: block;
    background-color: #e8f6ea;
    color: #2c7e3f;
    border: 1px solid #c2e8c9;
}

.form-status.error {
    display: block;
    background-color: #fcedef;
    color: #b40c1c;
    border: 1px solid #f5c6cb;
}

/* Contact Info On Right */
.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.info-title {
    font-size: 1.4rem;
    margin-bottom: 24px;
}

.info-card {
    background-color: var(--primary-color);
    padding: 36px;
    border-radius: var(--border-radius);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.info-detail-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.detail-icon {
    width: 42px;
    height: 42px;
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

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

.detail-text span {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--secondary-color);
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.detail-text strong {
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.5;
}

/* CTA Mini Banner */
.cta-mini-banner {
    margin-top: 24px;
    background-color: var(--bg-card);
    padding: 28px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cta-mini-banner h4 {
    font-size: 1rem;
    color: var(--text-heading);
}

.cta-mini-banner p {
    font-size: 0.82rem;
    color: var(--text-main);
}

.btn-cta-phone {
    align-self: flex-start;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    background-color: var(--secondary-color);
    color: var(--text-light);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.82rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: all var(--transition-speed) ease;
}

.btn-cta-phone:hover {
    background-color: var(--secondary-hover);
}

/* 14. Footer Section */
footer {
    background-color: var(--bg-dark);
    color: var(--text-muted);
    padding: 64px 0 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-logo {
    color: var(--text-light);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 400px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    border: 1px solid rgba(255,255,255,0.08);
    transition: all var(--transition-speed) ease;
}

.social-links a:hover {
    background-color: var(--secondary-color);
    color: var(--text-light);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.footer-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col h4 {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 8px;
    position: relative;
    letter-spacing: 3px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 20px;
    height: 1px;
    background-color: var(--secondary-color);
}

.footer-col a {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
    transition: all var(--transition-speed) ease;
}

.footer-col a:hover {
    color: var(--secondary-color);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 20px;
    text-align: center;
    font-size: 0.72rem;
    color: rgba(255,255,255,0.35);
    letter-spacing: 1px;
}

/* 15. Image Lightbox Modal */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 80px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(33, 35, 38, 0.95);
}

.lightbox-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 900px;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 0;
    transform: scale(0.95);
    transition: transform var(--transition-speed) ease;
}

.lightbox.open .lightbox-content {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 35px;
    color: #f1f1f1;
    font-size: 36px;
    font-weight: 300;
    transition: 0.3s;
    cursor: pointer;
    font-family: var(--font-heading);
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: var(--secondary-color);
}

.lightbox-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 900px;
    text-align: center;
    color: rgba(255,255,255,0.6);
    padding: 20px 0;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* 16. Scroll-Reveal Classes */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Swatch Catalog in Gallery */
.swatch-catalog-section {
    padding: 80px 0;
    background-color: var(--bg-card);
}

.swatch-catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-top: 32px;
}

.swatch-catalog-item {
    aspect-ratio: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    position: relative;
}

.swatch-catalog-item:hover {
    border-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}

.swatch-catalog-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swatch-catalog-item .swatch-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(33,35,38,0.8));
    color: var(--text-light);
    padding: 20px 8px 8px;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.swatch-catalog-item:hover .swatch-name {
    opacity: 1;
}

/* 17. Media Queries & Responsiveness */

/* Large Tablets */
@media (max-width: 1200px) {
    .container {
        padding: 0 32px;
    }
    
    .header-container {
        padding: 0 32px;
    }
}

/* Tablets */
@media (max-width: 992px) {
    .about-grid,
    .calculator-grid,
    .contact-grid,
    .teaser-grid,
    .customizer-grid-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        height: 400px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .slide-title {
        font-size: 2.2rem;
    }

    .slide-desc {
        font-size: 0.95rem;
    }

    .eco-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .walls-mosaic-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 220px;
    }

    .stats-box {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Phones */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .header-container {
        padding: 0 20px;
    }

    /* Mobile Menu */
    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-main);
        flex-direction: column;
        align-items: center;
        padding-top: 48px;
        gap: 24px;
        transition: left 0.4s ease;
        border-top: 1px solid var(--border-color);
    }

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

    .btn-nav {
        display: none;
    }

    .nav-search-wrapper {
        display: none;
    }

    header.scrolled .nav-menu {
        top: var(--header-shrink-height);
        height: calc(100vh - var(--header-shrink-height));
    }

    /* Hero */
    .hero-section {
        height: 70vh;
    }

    .slide-title {
        font-size: 1.6rem;
        letter-spacing: 2px;
    }

    .slide-desc {
        font-size: 0.88rem;
        margin-bottom: 24px;
    }

    .slide-actions {
        flex-direction: column;
        gap: 10px;
        padding: 0 20px;
    }

    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }

    .slider-arrow.prev { left: 10px; }
    .slider-arrow.next { right: 10px; }

    /* Sections */
    .eco-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .walls-mosaic-grid {
        grid-template-columns: 1fr 1fr;
        grid-auto-rows: 180px;
    }

    .wall-card.size-large {
        grid-column: span 2;
        grid-row: span 1;
    }

    .wall-card.size-tall {
        grid-row: span 1;
    }

    .about-teaser-section,
    .gallery-teaser-section,
    .showroom-teaser-section,
    .trends-section,
    .customizer-section,
    .contact-section,
    .finished-walls-section {
        padding: 48px 0;
    }

    .section-title {
        font-size: 1.4rem;
    }

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

    .contact-form-wrapper {
        padding: 24px;
    }

    .info-card {
        padding: 24px;
    }

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

    .teaser-image {
        height: 300px;
    }

    .decorator-card {
        min-height: 200px;
        padding: 24px;
    }

    .stats-box {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .stat-item {
        padding: 20px 12px;
    }

    .stat-num {
        font-size: 1.4rem;
    }
}

/* Small Phones */
@media (max-width: 480px) {
    .eco-grid {
        grid-template-columns: 1fr;
    }

    .walls-mosaic-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 200px;
    }

    .wall-card.size-large {
        grid-column: span 1;
    }

    .stats-box {
        grid-template-columns: 1fr;
    }

    .swatch-catalog-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}