/* 
 * HadiFurniture Landing Page Styles
 * Color Scheme: White + #0b1320
 */

:root {
    --primary-dark: #0b1320;
    --primary-light: #1a2332;
    --text-light: #ffffff;
    --text-dark: #0b1320;
    --bg-light: #ffffff;
    --overlay: rgba(11, 19, 32, 0.8);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Navbar */
.navbar {
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: var(--primary-dark) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

/* Hero Section */
#hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.btn-download {
    background: white;
    color: var(--primary-dark);
    font-weight: 600;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    color: var(--primary-dark);
}

/* Section Styling */
.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-dark);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-dark);
    border-radius: 2px;
}

.section-subtitle {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    aspect-ratio: 4/3;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, var(--overlay), transparent);
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.gallery-title {
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.gallery-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

/* Address Section */
#address {
    background: var(--primary-dark);
    color: white;
}

#address .section-title {
    color: white;
}

#address .section-title::after {
    background: white;
}

#address .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.address-content {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.address-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: start;
    gap: 1rem;
}

.info-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    opacity: 0.9;
}

.map-container {
    border-radius: 15px;
    overflow: hidden;
    height: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Contact Section */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(11, 19, 32, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    display: block;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-dark);
    box-shadow: 0 0 0 3px rgba(11, 19, 32, 0.1);
}

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

.btn-submit {
    width: 100%;
    background: var(--primary-dark);
    color: white;
    font-weight: 600;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-submit:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(11, 19, 32, 0.3);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
}

.alert.show {
    display: block;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #34d399;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #f87171;
}

/* Footer */
footer {
    background: var(--primary-dark);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

footer a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

footer a:hover {
    opacity: 0.8;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .map-container {
        height: 300px;
    }
}