/* ========================================
   WaterNet AI - Styles
   ======================================== */

:root {
    /* Primary Colors */
    --primary-blue: #0066ff;
    --primary-light: #3d8bff;
    --primary-dark: #0052cc;
    
    /* Accent Colors */
    --accent-cyan: #00d4ff;
    --accent-teal: #00b8a9;
    --accent-purple: #7c3aed;
    
    /* Neutrals */
    --dark-900: #0a0f1a;
    --dark-800: #111827;
    --dark-700: #1f2937;
    --dark-600: #374151;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --white: #ffffff;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
    --gradient-hero: linear-gradient(180deg, var(--dark-900) 0%, var(--dark-800) 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 24px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--dark-900);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(0, 102, 255, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

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

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

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(10, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo i {
    color: var(--accent-cyan);
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--white);
}

.btn-nav {
    background: var(--gradient-primary);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    color: var(--white) !important;
}

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.water-animation {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(180deg, transparent, rgba(0, 102, 255, 0.1));
    animation: wave 8s ease-in-out infinite;
}

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

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.2), transparent 70%);
    filter: blur(80px);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15), transparent 70%);
    filter: blur(80px);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero h1 {
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent-cyan);
    font-weight: 600;
    margin-bottom: 16px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--gray-300);
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stats {
    display: flex;
    gap: 60px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.5s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-400);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 1.5rem;
    color: var(--gray-400);
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    margin-bottom: 16px;
}

/* ========================================
   Problem Section
   ======================================== */
.problem {
    padding: var(--section-padding);
    background: var(--dark-800);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.problem-card {
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-normal);
}

.problem-card:hover {
    transform: translateY(-5px);
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 20px 40px rgba(239, 68, 68, 0.1);
}

.problem-icon {
    width: 60px;
    height: 60px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.problem-icon i {
    font-size: 1.5rem;
    color: var(--danger);
}

.problem-card h3 {
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--gray-400);
}

.problem-quote {
    text-align: center;
}

.problem-quote blockquote {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--gray-300);
    position: relative;
    display: inline-block;
}

.problem-quote i {
    color: var(--primary-blue);
    opacity: 0.5;
    margin: 0 10px;
}

/* ========================================
   Comparison Section
   ======================================== */
.comparison {
    padding: 80px 0;
    background: var(--dark-900);
}

.comparison-wrapper {
    display: flex;
    align-items: stretch;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.comparison-box {
    flex: 1;
    min-width: 300px;
    max-width: 450px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.comparison-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.comparison-header i {
    font-size: 1.5rem;
}

.comparison-header h3 {
    font-size: 1.1rem;
}

.traditional .comparison-header {
    background: rgba(239, 68, 68, 0.1);
}

.traditional .comparison-header i {
    color: var(--danger);
}

.waternet .comparison-header {
    background: rgba(16, 185, 129, 0.1);
}

.waternet .comparison-header i {
    color: var(--success);
}

.comparison-content {
    padding: 24px;
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 100%;
}

.traditional .comparison-content {
    border-color: rgba(239, 68, 68, 0.2);
}

.waternet .comparison-content {
    border-color: rgba(16, 185, 129, 0.2);
}

.comparison-quote {
    font-size: 1rem;
    color: var(--gray-300);
    font-style: italic;
}

.comparison-arrow {
    display: flex;
    align-items: center;
    font-size: 2rem;
    color: var(--primary-blue);
}

.comparison-subtitle {
    text-align: center;
    margin-top: 40px;
    font-size: 1.1rem;
    color: var(--gray-400);
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--section-padding);
    background: var(--dark-800);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 102, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.feature-card.featured {
    grid-column: span 2;
    background: linear-gradient(145deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.05));
    border-color: rgba(0, 102, 255, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--accent-cyan);
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--gray-400);
    margin-bottom: 16px;
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--gray-300);
}

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

/* ========================================
   Architecture Section
   ======================================== */
.architecture {
    padding: var(--section-padding);
    background: var(--dark-900);
}

.architecture-diagram {
    max-width: 800px;
    margin: 0 auto;
}

.arch-layer {
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-bottom: 0;
}

.arch-layer.highlight {
    background: linear-gradient(145deg, rgba(0, 102, 255, 0.15), rgba(0, 212, 255, 0.05));
    border-color: rgba(0, 102, 255, 0.4);
    box-shadow: var(--shadow-glow);
}

.arch-layer-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.arch-layer-header i {
    font-size: 1.5rem;
    color: var(--accent-cyan);
}

.arch-layer-header h3 {
    font-size: 1.2rem;
}

.crown {
    font-size: 0.85rem;
    color: var(--warning);
    margin-left: 10px;
}

.arch-items {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.arch-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
}

.arch-item i {
    color: var(--primary-blue);
}

.arch-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    color: var(--gray-400);
}

.arch-connector i {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.arch-connector span {
    font-size: 0.85rem;
}

.arch-description p {
    color: var(--gray-300);
    margin-bottom: 16px;
}

.arch-capabilities {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.arch-capabilities span {
    background: rgba(0, 102, 255, 0.2);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-cyan);
}

.ai-layers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.ai-layer-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: var(--radius-md);
}

.ai-layer-item h4 {
    color: var(--accent-cyan);
    margin-bottom: 8px;
    font-size: 1rem;
}

.ai-layer-item p {
    font-size: 0.85rem;
    color: var(--gray-400);
}

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works {
    padding: var(--section-padding);
    background: var(--dark-800);
}

.demo-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.demo-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 8px;
}

.step-content p {
    color: var(--gray-400);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.step-visual {
    width: 60px;
    height: 60px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-visual i {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.step-visual.warning {
    background: rgba(245, 158, 11, 0.1);
}

.step-visual.warning i {
    color: var(--warning);
}

.step-visual.ai {
    background: rgba(124, 58, 237, 0.1);
}

.step-visual.ai i {
    color: var(--accent-purple);
}

.step-visual.trace {
    background: rgba(0, 212, 255, 0.1);
}

.step-visual.trace i {
    color: var(--accent-cyan);
}

.step-visual.predict {
    background: rgba(16, 185, 129, 0.1);
}

.step-visual.predict i {
    color: var(--success);
}

.step-visual.action {
    background: rgba(0, 102, 255, 0.1);
}

.step-visual.action i {
    color: var(--primary-blue);
}

/* ========================================
   AI Models Section
   ======================================== */
.ai-models {
    padding: var(--section-padding);
    background: var(--dark-900);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.model-card {
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.model-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 102, 255, 0.3);
}

.model-card.featured {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.1);
}

.model-header {
    padding: 24px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.model-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.model-icon i {
    font-size: 1.3rem;
    color: var(--accent-cyan);
}

.model-header h3 {
    flex: 1;
}

.model-tag {
    padding: 4px 12px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
}

.model-tag.winner {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.model-body {
    padding: 24px;
}

.model-body h4 {
    color: var(--gray-300);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.model-body ul {
    margin-bottom: 20px;
}

.model-body li {
    color: var(--gray-400);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.model-body li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
}

.detect-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.detect-tags span {
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--gray-300);
}

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

.model-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.model-table td {
    padding: 12px 0;
    color: var(--gray-400);
    font-size: 0.9rem;
}

.model-table td:first-child {
    color: var(--gray-300);
    font-weight: 500;
}

.paradigm-shift {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 20px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-md);
    margin-top: 20px;
}

.paradigm-shift .old {
    color: var(--danger);
    text-decoration: line-through;
    opacity: 0.7;
}

.paradigm-shift .new {
    color: var(--success);
    font-weight: 600;
}

.paradigm-shift i {
    color: var(--success);
}

/* ========================================
   Impact Section
   ======================================== */
.impact {
    padding: var(--section-padding);
    background: var(--dark-800);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 50px;
}

.impact-card {
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: all var(--transition-normal);
}

.impact-card:hover {
    transform: translateY(-5px);
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.1);
}

.impact-icon {
    width: 70px;
    height: 70px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.impact-icon i {
    font-size: 1.8rem;
    color: var(--success);
}

.impact-card h3 {
    margin-bottom: 12px;
}

.impact-card p {
    color: var(--gray-400);
}

.scalability {
    background: linear-gradient(145deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.05));
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
}

.scalability h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
    font-size: 1.3rem;
}

.scalability h3 i {
    color: var(--accent-cyan);
}

.scale-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.scale-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    padding: 14px 24px;
    border-radius: var(--radius-full);
}

.scale-item i {
    color: var(--primary-blue);
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--dark-900), var(--dark-800));
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.15), transparent 60%);
    filter: blur(60px);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    margin-bottom: 24px;
}

.pitch {
    font-size: 1.15rem;
    color: var(--gray-300);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 40px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--primary-blue);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 60px 0 30px;
    background: var(--dark-900);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1rem;
}

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

.footer-col a {
    color: var(--gray-400);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: 0.9rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-800);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .feature-card.featured {
        grid-column: span 1;
    }
    
    .comparison-wrapper {
        flex-direction: column;
        align-items: center;
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-links {
        gap: 30px;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
}