/* GTGKKNXG INC - Window Treatment Specialist Styles */
/* Color Palette: Navy Blue, Gold, White, Light Gray */
/* Navigation: Left Sidebar Vertical */

:root {
    --primary: #1a365d;
    --primary-light: #2c5282;
    --gold: #c9a227;
    --gold-light: #d4b84a;
    --white: #ffffff;
    --gray-light: #f7fafc;
    --gray: #e2e8f0;
    --dark: #1a202c;
    --text: #4a5568;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--gray-light);
    color: var(--text);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    color: var(--primary);
}

/* Layout with Left Sidebar */
.layout {
    display: flex;
    min-height: 100vh;
}

/* Left Sidebar Navigation */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 40px 30px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-logo {
    font-family: 'Playfair Display', serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.sidebar-tagline {
    color: var(--gold);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
}

.nav-vertical {
    list-style: none;
}

.nav-vertical li {
    margin-bottom: 5px;
}

.nav-vertical a {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-vertical a::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--gold);
    border-radius: 50%;
    margin-right: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-vertical a:hover,
.nav-vertical a.active {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.nav-vertical a:hover::before,
.nav-vertical a.active::before {
    opacity: 1;
}

.sidebar-contact {
    position: absolute;
    bottom: 30px;
    left: 30px;
    right: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.sidebar-contact p {
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 0;
}

/* Hero Section */
.hero-full {
    height: 100vh;
    background: linear-gradient(135deg, rgba(26,54,93,0.85) 0%, rgba(44,82,130,0.8) 100%),
                url('https://images.pexels.com/photos/2929293/pexels-photo-2929293.jpeg?auto=compress&cs=tinysrgb&w=1600') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero-content {
    max-width: 700px;
    padding: 40px;
}

.hero-content h1 {
    font-size: 52px;
    color: var(--white);
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.hero-content .tagline {
    font-size: 20px;
    color: var(--gold);
    font-weight: 300;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 30px;
}

.hero-content .description {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 40px;
    color: rgba(255,255,255,0.9);
}

.btn-primary {
    display: inline-block;
    padding: 16px 45px;
    background: var(--gold);
    color: var(--primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 4px;
    transition: all 0.3s ease;
}

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

.btn-secondary {
    display: inline-block;
    padding: 16px 45px;
    background: transparent;
    color: var(--white);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 2px solid var(--white);
    border-radius: 4px;
    margin-left: 15px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary);
}

/* Section Styles */
.section {
    padding: 100px 60px;
}

.section-white {
    background: var(--white);
}

.section-gray {
    background: var(--gray-light);
}

.section h2 {
    font-size: 38px;
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: var(--text);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Product/Service Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.card-content p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 15px;
}

.card-price {
    font-size: 18px;
    font-weight: 600;
    color: var(--gold);
}

/* About Section */
.about-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0,0,0,0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

.about-content h3 {
    font-size: 32px;
    margin-bottom: 25px;
}

.about-content p {
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    margin-top: 30px;
}

.feature-list li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    font-size: 15px;
}

.feature-list li::before {
    content: '✓';
    width: 28px;
    height: 28px;
    background: var(--gold);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    margin-right: 15px;
}

/* Cases Gallery */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.case-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 280px;
}

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

.case-item:hover img {
    transform: scale(1.1);
}

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(26,54,93,0.95));
    padding: 40px 25px 20px;
    color: var(--white);
}

.case-overlay h3 {
    font-size: 18px;
    color: var(--white);
    margin-bottom: 5px;
}

.case-overlay p {
    font-size: 13px;
    color: var(--gold);
}

/* Contact Section */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info-box {
    background: var(--primary);
    padding: 50px;
    border-radius: 15px;
    color: var(--white);
}

.contact-info-box h3 {
    font-size: 28px;
    color: var(--white);
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-item-icon {
    width: 45px;
    height: 45px;
    background: var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: var(--primary);
    font-weight: bold;
}

.contact-item-text h4 {
    font-size: 14px;
    color: var(--gold);
    margin-bottom: 5px;
    font-family: 'Montserrat', sans-serif;
}

.contact-item-text p {
    font-size: 15px;
    color: rgba(255,255,255,0.9);
}

.contact-form-box {
    background: var(--white);
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gold);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 60px 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
}

.footer h4 {
    font-size: 16px;
    color: var(--white);
    margin-bottom: 25px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

/* Responsive */
@media (max-width: 1200px) {
    .sidebar {
        width: 240px;
    }
    .main-content {
        margin-left: 240px;
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    .main-content {
        margin-left: 0;
    }
    .layout {
        flex-direction: column;
    }
    .nav-vertical {
        display: flex;
        flex-wrap: wrap;
    }
    .grid-3,
    .about-section,
    .contact-section,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}