/* =============================================
   VIGIA360 - Landing Page Styles
   Sistema Integrado de IA y Automatización
   ============================================= */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #764ba2;

    /* Accent Colors */
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    --accent-violet: #8b5cf6;

    /* Neutral Colors */
    --dark-900: #0f0f23;
    --dark-800: #1a1a2e;
    --dark-700: #16213e;
    --dark-600: #1f2937;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-100: #f3f4f6;
    --white: #ffffff;

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--dark-900);
    color: var(--gray-300);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-800);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: var(--white);
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--white);
    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(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--gray-400);
    font-size: 1.1rem;
}

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

a:hover {
    color: var(--accent-cyan);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 60px rgba(102, 126, 234, 0.5);
    color: var(--white);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--white);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--white);
}

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

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

/* Section Styling */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header .badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

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

.section-header p {
    font-size: 1.2rem;
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition-normal);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(118, 75, 162, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(102, 126, 234, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(102, 126, 234, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

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

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-emerald);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.hero-badge .pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-emerald);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
    margin-bottom: 24px;
}

.hero h1 .gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 32px;
    color: var(--gray-400);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-number span {
    color: var(--primary-color);
}

.stat-label {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
}

.hero-card {
    position: absolute;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.hero-card-main {
    width: 380px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
}

.hero-card-float-1 {
    width: 200px;
    top: 10%;
    right: 0;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

.hero-card-float-2 {
    width: 180px;
    bottom: 15%;
    left: 0;
    z-index: 2;
    animation: float 6s ease-in-out infinite 2s;
}

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

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
}

.card-subtitle {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.card-content {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.code-line {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.code-line:last-child {
    margin-bottom: 0;
}

.code-key {
    color: var(--accent-cyan);
}

.code-value {
    color: var(--accent-emerald);
}

.mini-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
}

.mini-stat-icon {
    font-size: 1.5rem;
}

.mini-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.mini-stat-label {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* =============================================
   FEATURES SECTION
   ============================================= */
.features {
    background: var(--dark-800);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 24px;
}

.feature-card:nth-child(2) .feature-icon {
    background: rgba(6, 182, 212, 0.1);
}

.feature-card:nth-child(3) .feature-icon {
    background: rgba(16, 185, 129, 0.1);
}

.feature-card:nth-child(4) .feature-icon {
    background: rgba(245, 158, 11, 0.1);
}

.feature-card:nth-child(5) .feature-icon {
    background: rgba(139, 92, 246, 0.1);
}

.feature-card:nth-child(6) .feature-icon {
    background: rgba(244, 63, 94, 0.1);
}

.feature-card h4 {
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.feature-tag {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--gray-400);
}

/* =============================================
   MODULES SECTION
   ============================================= */
.modules {
    position: relative;
}

.modules-wrapper {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.module-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px;
    display: flex;
    gap: 24px;
    transition: var(--transition-normal);
}

.module-card:hover {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.05);
}

.module-icon {
    width: 80px;
    height: 80px;
    min-width: 80px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.module-content h4 {
    margin-bottom: 8px;
}

.module-content p {
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.module-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.module-feature {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--accent-emerald);
}

/* =============================================
   INTEGRATION SECTION
   ============================================= */
.integrations {
    background: var(--dark-800);
}

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

.integration-visual {
    position: relative;
}

.integration-diagram {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    position: relative;
}

.diagram-center {
    width: 120px;
    height: 120px;
    background: var(--primary-gradient);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 40px;
    box-shadow: var(--shadow-glow);
}

.diagram-center-icon {
    font-size: 3rem;
    margin-bottom: 4px;
}

.diagram-center-text {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--white);
}

.diagram-connections {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.connection-item {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    transition: var(--transition-normal);
}

.connection-item:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.05);
}

.connection-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

.connection-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--white);
}

.connection-url {
    font-size: 0.7rem;
    color: var(--gray-500);
    font-family: var(--font-mono);
}

.integration-content h3 {
    margin-bottom: 16px;
}

.integration-content > p {
    margin-bottom: 32px;
}

.integration-list {
    list-style: none;
}

.integration-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--glass-bg);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    transition: var(--transition-normal);
}

.integration-list li:hover {
    border-color: var(--primary-color);
}

.integration-list .icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.integration-list h5 {
    color: var(--white);
    margin-bottom: 4px;
}

.integration-list p {
    font-size: 0.9rem;
    margin: 0;
}

/* =============================================
   TECH STACK SECTION
   ============================================= */
.tech-stack {
    position: relative;
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.tech-category {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 28px;
}

.tech-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--glass-border);
}

.tech-category-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.tech-category-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
}

.tech-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    transition: var(--transition-fast);
}

.tech-item:hover {
    background: rgba(102, 126, 234, 0.1);
}

.tech-item-icon {
    font-size: 1.25rem;
}

.tech-item-name {
    font-size: 0.9rem;
    color: var(--gray-300);
}

/* =============================================
   USE CASES SECTION
   ============================================= */
.use-cases {
    background: var(--dark-800);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.use-case-card {
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.1) 0%, transparent 100%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 32px;
    text-align: center;
    transition: var(--transition-normal);
}

.use-case-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.use-case-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 24px;
}

.use-case-card h4 {
    margin-bottom: 12px;
}

.use-case-card p {
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.use-case-benefits {
    text-align: left;
}

.use-case-benefit {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--gray-400);
}

.use-case-benefit::before {
    content: '✓';
    color: var(--accent-emerald);
    font-weight: bold;
}

/* =============================================
   CTA SECTION
   ============================================= */
.cta {
    position: relative;
    overflow: hidden;
}

.cta-wrapper {
    background: var(--primary-gradient);
    border-radius: 32px;
    padding: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

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

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

.cta h2 {
    margin-bottom: 16px;
}

.cta p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.25rem;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.cta .btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.cta .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

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

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--dark-900);
    padding: 80px 0 32px;
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

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

.footer-brand p {
    font-size: 0.95rem;
    margin-bottom: 24px;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.footer-column h5 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 20px;
}

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

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

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

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modules-wrapper {
        grid-template-columns: 1fr;
    }

    .integration-showcase {
        grid-template-columns: 1fr;
    }

    .tech-categories {
        grid-template-columns: repeat(2, 1fr);
    }

    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-cta {
        display: none;
    }

    .section {
        padding: 60px 0;
    }

    .features-grid,
    .tech-categories,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .module-card {
        flex-direction: column;
        text-align: center;
    }

    .module-features {
        justify-content: center;
    }

    .cta-wrapper {
        padding: 48px 24px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
    }

    .diagram-connections {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

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