/* ===== ROOT VARIABLES ===== */
:root {
    --primary-color: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #3385FF;
    --secondary-color: #00D9FF;
    --accent-color: #7B61FF;
    --success-color: #00C853;
    --warning-color: #FFB300;
    --danger-color: #FF3D00;
    
    --text-primary: #1A1A2E;
    --text-secondary: #6B6B80;
    --text-light: #9999A8;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-dark: #1A1A2E;
    --bg-card: #FFFFFF;
    
    --border-color: #E5E7EB;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style-position: inside;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

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

.highlight {
    color: var(--primary-color);
    position: relative;
}

/* ===== HEADER ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===== BUTTONS ===== */
.btn-primary,
.btn-secondary,
.btn-cta,
.btn-cta-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    box-shadow: var(--shadow-md);
}

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

.btn-cta-large {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
}

.btn-cta-large:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 102, 255, 0.3);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.1), transparent);
    border-radius: 50%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: white;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.feature-badge i {
    color: var(--success-color);
}

.hero-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-graphic {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.shield-icon {
    font-size: 12rem;
    color: var(--primary-color);
    opacity: 0.15;
    animation: float 6s ease-in-out infinite;
}

.connection-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="400" height="400" xmlns="http://www.w3.org/2000/svg"><circle cx="200" cy="200" r="150" fill="none" stroke="%230066FF" stroke-width="2" stroke-dasharray="10,5" opacity="0.3"/></svg>') center center no-repeat;
    animation: rotate 20s linear infinite;
}

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

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== STATS SECTION ===== */
.stats {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-number::after {
    content: '+';
    margin-left: 4px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== SECTION STYLES ===== */
.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.why-section,
.how-it-works,
.platforms-section,
.faq-preview {
    padding: 5rem 0;
}

.why-section {
    background: var(--bg-secondary);
}

/* ===== BENEFITS GRID ===== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit-card {
    padding: 2.5rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: var(--border-radius-sm);
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* ===== STEPS GRID ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.step-card {
    position: relative;
    padding: 2.5rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    transition: var(--transition);
}

.step-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 2rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.step-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    opacity: 0.8;
}

.step-card h3 {
    margin-bottom: 1rem;
}

/* ===== PLATFORMS GRID ===== */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.platform-card {
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.platform-card i {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.platform-card:hover i {
    color: white;
}

.platform-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.platform-card:hover h3,
.platform-card:hover p {
    color: white;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    background: var(--bg-card);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    gap: 1rem;
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-question h3 {
    font-size: 1.1rem;
    margin: 0;
    font-weight: 600;
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p,
.faq-answer ul,
.faq-answer ol {
    padding: 0 1.5rem 1.5rem;
    margin: 0;
}

.faq-answer ul,
.faq-answer ol {
    padding-left: 3rem;
}

.faq-answer li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.faq-answer a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ===== CTA BOXES ===== */
.cta-box {
    text-align: center;
    margin-top: 3rem;
}

.final-cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    text-align: center;
    color: white;
}

.final-cta-content h2,
.final-cta-content p,
.final-cta-content .highlight {
    color: white;
}

.final-cta-content h2 {
    margin-bottom: 1rem;
}

.final-cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.cta-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ===== PAGE HEADER ===== */
.page-header {
    padding: 4rem 0 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    text-align: center;
}

.page-header h1 {
    color: white;
    margin-bottom: 1rem;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
}

/* ===== PLATFORM TABS ===== */
.platform-selection {
    padding: 3rem 0 1rem;
    background: var(--bg-secondary);
}

.platform-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1.75rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.tab-btn i {
    font-size: 2rem;
}

.tab-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ===== SETUP INSTRUCTIONS ===== */
.setup-instructions {
    padding: 4rem 0;
}

.platform-content {
    display: none;
}

.platform-content.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.instruction-header {
    text-align: center;
    margin-bottom: 3rem;
}

.instruction-header i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.instruction-header h2 {
    margin-bottom: 0.5rem;
}

.instruction-steps {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.step-header .step-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.step-header h3 {
    margin: 0;
}

.step-content p {
    margin-bottom: 1rem;
}

.instruction-list {
    list-style: none;
    padding-left: 0;
}

.instruction-list li {
    padding-left: 2rem;
    position: relative;
    margin-bottom: 0.75rem;
}

.instruction-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    margin: 1rem 0;
    transition: var(--transition);
}

.download-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.note {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius-sm);
    margin: 1rem 0;
    font-size: 0.9rem;
}

.note i {
    color: var(--primary-color);
    margin-top: 2px;
}

.success-box {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.25rem;
    background: rgba(0, 200, 83, 0.1);
    border-left: 4px solid var(--success-color);
    border-radius: var(--border-radius-sm);
    margin: 1.5rem 0;
}

.success-box i {
    color: var(--success-color);
    font-size: 1.5rem;
}

.code-block {
    position: relative;
    background: var(--bg-dark);
    color: #00D9FF;
    padding: 1.5rem;
    border-radius: var(--border-radius-sm);
    margin: 1rem 0;
    font-family: 'Courier New', monospace;
    overflow-x: auto;
}

.code-block code {
    font-size: 0.9rem;
    line-height: 1.8;
}

.copy-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.code-example {
    background: var(--bg-dark);
    color: #00D9FF;
    padding: 1.5rem;
    border-radius: var(--border-radius-sm);
    font-family: 'Courier New', monospace;
    overflow-x: auto;
    margin: 1rem 0;
}

.video-tutorial {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    text-align: center;
}

.video-tutorial h3 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ===== ROUTER TABS ===== */
.router-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.router-tab-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    color: var(--text-secondary);
}

.router-tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.router-tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.router-content {
    display: none;
}

.router-content.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.router-content h3 {
    text-align: center;
    margin-bottom: 2rem;
}

/* ===== TROUBLESHOOTING ===== */
.troubleshooting {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.trouble-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.trouble-card {
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.trouble-card h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--danger-color);
    margin-bottom: 1.5rem;
}

.trouble-card ul {
    list-style: none;
    padding-left: 0;
}

.trouble-card li {
    padding-left: 1.75rem;
    position: relative;
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.trouble-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
}

.support-box {
    max-width: 600px;
    margin: 0 auto;
    padding: 2.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.support-box h3 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ===== FAQ CATEGORIES ===== */
.faq-categories {
    padding: 2rem 0;
    background: var(--bg-secondary);
    position: sticky;
    top: 77px;
    z-index: 100;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    color: var(--text-secondary);
}

.category-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.category-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.faq-content {
    padding: 4rem 0;
}

.faq-category {
    display: none;
}

.faq-category.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.category-title {
    text-align: center;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.category-title i {
    color: var(--primary-color);
}

.faq-search {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.search-box {
    max-width: 700px;
    margin: 0 auto;
    padding: 3rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.search-box h2 {
    margin-bottom: 1rem;
}

.search-box p {
    margin-bottom: 2rem;
}

/* ===== FOOTER ===== */
.footer {
    padding: 4rem 0 2rem;
    background: var(--bg-dark);
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1.5rem;
}

.footer-section p,
.footer-section li {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.75rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-graphic {
        width: 300px;
        height: 300px;
    }
    
    .shield-icon {
        font-size: 8rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 77px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: white;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .benefits-grid,
    .steps-grid,
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .platform-tabs {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .btn-cta,
    .btn-cta-large {
        width: 100%;
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}