/* ===================================
   SOGRACE LIMITED - Main Stylesheet
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #1a56db;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #0f172a;
    --accent-color: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, #1a56db 0%, #3b82f6 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Mobile First Base Styles */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    body {
        font-size: 16px; /* 确保手机端字体大小 */
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 15px 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-menu a.active {
    color: var(--primary-color);
}

/* Dropdown Menu */
.nav-menu li.has-dropdown {
    position: relative;
}

.nav-menu li.has-dropdown > a::after {
    content: ' ▼';
    font-size: 0.7rem;
    margin-left: 5px;
}

.nav-menu .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 10px 0;
    margin-top: 10px;
}

.nav-menu li.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    margin-top: 0;
}

.nav-menu .dropdown li {
    margin: 0;
}

.nav-menu .dropdown li a {
    display: block;
    padding: 10px 20px;
    color: var(--text-dark);
    font-size: 0.95rem;
    border-bottom: 1px solid #f1f5f9;
}

.nav-menu .dropdown li a:last-child {
    border-bottom: none;
}

.nav-menu .dropdown li a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.nav-menu .dropdown .dropdown-category {
    padding: 8px 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 5px;
}

.nav-cta {
    display: flex;
    align-items: center;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(59,130,246,0.1)" stroke-width="0.5"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-title span {
    color: var(--primary-light);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 50px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-light);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-watch {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.section-title {
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Product Showcase */
.product-showcase {
    padding: 100px 0;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.showcase-item {
    text-align: center;
}

.showcase-item img {
    width: 100%;
    max-width: 280px;
    height: auto;
    border-radius: 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.showcase-item h3 {
    margin-bottom: 10px;
}

.showcase-item p {
    font-size: 0.95rem;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: var(--gradient-primary);
}

.cta-content {
    text-align: center;
}

.cta h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.cta .btn-outline {
    border-color: white;
    color: white;
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1rem;
}

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

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

.footer-links a {
    color: var(--text-muted);
    transition: color 0.3s ease;
}

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

.footer-contact p {
    color: var(--text-muted);
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

/* Page Hero */
.page-hero {
    padding: 160px 0 80px;
    background: var(--gradient-dark);
    text-align: center;
}

.page-hero h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-hero p {
    color: var(--text-muted);
    font-size: 1.25rem;
}

/* About Page */
.about-content {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 20px;
    margin-top: 40px;
}

.about-text h2:first-child {
    margin-top: 0;
}

.about-text p {
    line-height: 1.8;
}

.values-list {
    list-style: none;
    margin-top: 20px;
}

.values-list li {
    margin-bottom: 25px;
    padding-left: 20px;
    border-left: 3px solid var(--primary-color);
}

.values-list strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.values-list p {
    font-size: 0.95rem;
    margin: 0;
}

.about-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
}

/* Stats Section */
.stats {
    padding: 60px 0;
    background: var(--bg-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 30px;
}

.stat-item .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-item .stat-label {
    font-size: 0.95rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Team Section */
.team {
    padding: 80px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.team-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.team-card h3 {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.team-card p {
    font-size: 0.95rem;
    margin: 0;
}

/* Products Page */
.product-detail {
    padding: 80px 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-images {
    position: sticky;
    top: 100px;
}

.main-image {
    margin-bottom: 20px;
}

.main-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.thumbnail {
    width: 100%;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--primary-color);
}

.product-info {
    padding: 20px 0;
}

.product-badge {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.product-info h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.product-tagline {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.product-description {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.product-price {
    margin-bottom: 30px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 12px;
}

.price-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 5px;
}

.price-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.product-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Features Detail */
.features-detail {
    padding: 80px 0;
    background: var(--bg-light);
}

.features-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-detail-card {
    background: white;
    padding: 35px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.feature-detail-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-detail-icon svg {
    width: 26px;
    height: 26px;
    color: white;
}

.feature-detail-card h3 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.feature-detail-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.feature-detail-card ul {
    list-style: none;
}

.feature-detail-card li {
    padding: 5px 0;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Specifications */
.specifications {
    padding: 80px 0;
}

.specs-table {
    max-width: 800px;
    margin: 0 auto;
}

.specs-table table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid var(--border-color);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 18px 0;
}

.specs-table td:first-child {
    font-weight: 600;
    color: var(--text-dark);
    width: 40%;
}

.specs-table td:last-child {
    color: var(--text-light);
}

/* Contact Page */
.contact-section {
    padding: 80px 0;
}

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

.contact-info h2 {
    margin-bottom: 15px;
}

.contact-info > p {
    margin-bottom: 40px;
}

.contact-details {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.contact-item h4 {
    margin-bottom: 8px;
    font-size: 1rem;
}

.contact-item p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.social-links h4 {
    margin-bottom: 15px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 45px;
    height: 45px;
    background: var(--bg-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-color);
}

.social-icon svg {
    width: 22px;
    height: 22px;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.social-icon:hover svg {
    color: white;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
}

.contact-form h2 {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

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

/* Map Section */
.map-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.map-placeholder {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    border-radius: 16px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-content {
    text-align: center;
    color: var(--text-light);
}

.map-content svg {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    opacity: 0.5;
}

.map-content p {
    margin: 5px 0;
}

.map-content p:first-child {
    font-weight: 600;
    color: var(--text-dark);
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    padding: 30px;
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.faq-item h4 {
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.faq-item p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid,
    .features-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* Navigation Mobile */
    .nav-menu,
    .nav-cta {
        display: none;
    }
    
    .nav-menu.active,
    .nav-cta.active {
        display: flex !important;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        z-index: 999;
        gap: 15px;
        border-top: 1px solid #e2e8f0;
    }
    
    .nav-menu.active li {
        margin: 0;
        width: 100%;
    }
    
    .nav-menu.active li a {
        display: block;
        padding: 12px 0;
        font-size: 1.1rem;
        color: var(--text-dark);
        text-decoration: none;
        border-bottom: 1px solid #f1f5f9;
    }
    
    .nav-menu.active li a:hover,
    .nav-menu.active li a.active {
        color: var(--primary-color);
    }
    
    .nav-cta.active {
        padding-top: 15px;
        border-top: 2px solid var(--primary-color);
    }
    
    .hamburger {
        display: flex;
        cursor: pointer;
        padding: 10px;
        z-index: 1000;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    /* Grid Layouts - Mobile Single Column */
    .hero-content,
    .about-grid,
    .contact-grid,
    .product-detail-grid,
    .app-download-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
    }
    
    .features-grid,
    .features-detail-grid,
    .showcase-grid,
    .team-grid,
    .stats-grid,
    .faq-grid,
    .products-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 25px;
    }
    
    .footer-brand p {
        max-width: none;
    }
    
    /* Buttons - Full Width on Mobile */
    .btn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
    }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    /* Images - Responsive */
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    
    /* Product Cards */
    .product-card {
        margin-bottom: 20px;
    }
    
    .product-info-card {
        padding: 20px;
    }
    
    .product-info-card h4 {
        font-size: 1.3rem;
    }
    
    .model-badge {
        font-size: 0.8rem;
        padding: 5px 12px;
    }
    
    .model-desc {
        font-size: 0.9rem;
    }
    
    .model-features {
        font-size: 0.85rem;
    }
    
    /* App Download Section */
    .app-steps-full {
        gap: 20px;
    }
    
    .app-step-full {
        padding: 15px;
    }
    
    /* WhatsApp Button - Mobile Size */
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
    
    /* Spacing Adjustments */
    .section-header {
        margin-bottom: 40px;
    }
    
    section {
        padding: 50px 0;
    }
    
    .page-hero {
        padding: 120px 0 60px;
    }
}

@media (max-width: 480px) {
    /* Extra Small Devices */
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 50px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    /* Product Cards */
    .product-info-card {
        padding: 20px;
    }
    
    .product-info-card h4 {
        font-size: 1.25rem;
    }
    
    .model-desc {
        font-size: 0.9rem;
    }
    
    .model-features li {
        font-size: 0.85rem;
    }
    
    /* App Download */
    .app-download-content {
        grid-template-columns: 1fr;
    }
    
    .app-step-full {
        flex-direction: column;
        text-align: center;
    }
    
    /* Gallery */
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact Form */
    .contact-form-wrapper {
        padding: 25px;
    }
    
    /* Footer */
    .footer {
        padding: 40px 0 20px;
    }
}

/* Product Series Page Styles */
.product-series {
    padding: 80px 0;
}

.series-section {
    margin-bottom: 80px;
}

.series-section:last-child {
    margin-bottom: 0;
}

.series-title {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    background: var(--bg-light);
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    max-width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: contain;
}

.product-info-card {
    padding: 30px;
}

.model-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.product-info-card h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.model-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.model-features {
    list-style: none;
    margin-bottom: 25px;
}

.model-features li {
    padding: 8px 0;
    color: var(--text-light);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.model-features li:last-child {
    border-bottom: none;
}

.product-info-card .btn {
    width: 100%;
}

/* Update logo styles for simplified version */
.logo {
    display: flex;
    flex-direction: column;
}

.logo-subtitle {
    display: none;
}

/* FAQ Section Styles */
.faq-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto 60px;
}

.faq-item {
    padding: 30px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.faq-item h4 {
    margin-bottom: 12px;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.faq-item p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-light);
}

/* App Download Section */
.app-download-section {
    background: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    max-width: 900px;
    margin: 0 auto;
}

.app-download-title {
    text-align: center;
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.app-download-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 40px;
}

.app-download-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    align-items: start;
}

.qr-code-container {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code-container img {
    width: 100%;
    max-width: 280px;
    height: auto;
    border-radius: 8px;
}

.app-steps {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.app-step {
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    border-left: 3px solid var(--primary-color);
}

.app-step h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.app-step p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Responsive for FAQ and App Download */
@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .app-download-content {
        grid-template-columns: 1fr;
    }
    
    .qr-code-container {
        order: 2;
    }
    
    .app-steps {
        order: 1;
    }
    
    .app-download-section {
        padding: 30px 20px;
    }
}

/* Company Gallery Section */
.company-gallery {
    padding: 80px 0;
    background: var(--bg-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.gallery-item {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.gallery-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.gallery-caption {
    padding: 25px;
}

.gallery-caption h4 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.gallery-caption p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Responsive for gallery */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* FAQ Page Styles */
.app-download-full {
    padding: 80px 0;
    background: var(--bg-light);
}

.app-download-full-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.app-download-full-text h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.app-download-full-text .subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.app-steps-full {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.app-step-full {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.app-step-full:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.step-content p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.step-content strong {
    color: var(--text-dark);
}

.app-download-full-qr {
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-download-full-qr img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

/* FAQ Questions Section */
.faq-questions-section {
    padding: 80px 0;
}

.faq-questions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.faq-question-item {
    padding: 30px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.faq-question-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.faq-question-item h4 {
    margin-bottom: 12px;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.faq-question-item p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-light);
}

/* Responsive for FAQ page */
@media (max-width: 1024px) {
    .app-download-full-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .app-download-full-qr {
        order: -1;
    }
    
    .app-download-full-qr img {
        max-width: 400px;
    }
}

@media (max-width: 768px) {
    .app-download-full {
        padding: 40px 0;
    }
    
    .app-download-full-content {
        padding: 30px 20px;
    }
    
    .app-step-full {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .faq-questions-grid {
        grid-template-columns: 1fr;
    }
    
    .app-download-full-qr img {
        max-width: 100%;
    }
}

/* Logo Image Styles */
.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 50px;
    width: auto;
    display: block;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    display: block;
}

.logo-subtitle {
    display: none;
}

/* Footer brand text */
.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 64px;
    height: 64px;
    background: #25D366;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.whatsapp-float svg {
    width: 38px;
    height: 38px;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 54px;
        height: 54px;
    }
    
    .whatsapp-float svg {
        width: 30px;
        height: 30px;
    }
}