/* =======================================================================
   ESPOSURE.GG - CSS STYLES
   Enterprise-grade Private School-as-a-Service website
   ======================================================================= */

/* CSS Custom Properties */
:root {
    /* Primary Foundation */
    --primary-black: #000000;
    --primary-white: #FFFFFF;
    --charcoal: #1A1A1A;
    --light-gray: #F5F5F5;
    --medium-gray: #808080;
    
    /* Pathfinity Purple Accents */
    --pathfinity-purple: #8B5CF6;
    --pathfinity-indigo: #6366F1;
    --accent-gradient: linear-gradient(135deg, #8B5CF6, #6366F1);
    
    /* Functional Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --info: #3B82F6;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 5rem 0;
    --card-padding: 2rem;
    
    /* Transitions */
    --transition-standard: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Mode Variables (Default) */
body,
body:not(.light-mode) {
    --bg-primary: #111827;
    --bg-secondary: #1F2937;
    --bg-tertiary: #374151;
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-muted: #9CA3AF;
    --border-color: #374151;
    --card-bg: #1F2937;
    --navbar-bg: rgba(17, 24, 39, 0.95);
}

/* Light Mode Variables */
body.light-mode {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    --text-primary: #111827;
    --text-secondary: #374151;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
    --card-bg: #FFFFFF;
    --navbar-bg: rgba(255, 255, 255, 0.95);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-standard), color var(--transition-standard);
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

h1 {
    font-size: 3.5rem;
    font-weight: 800;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.8rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.subsection-title {
    font-size: 2rem;
    text-align: center;
    margin: 4rem 0 3rem;
}

/* Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-standard);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    min-height: 44px;
}

/* Compact header buttons */
.nav-cta .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    min-height: 36px;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.3);
}

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

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

.btn-pathfinity {
    background: var(--primary-white);
    color: var(--pathfinity-purple);
    border: 2px solid var(--primary-white);
    font-weight: 600;
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    height: 80px;
    z-index: 1000;
    transition: all var(--transition-standard);
    border-bottom: 1px solid var(--border-color);
}

body.light-mode .navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

body:not(.light-mode) .navbar.scrolled {
    background: rgba(17, 24, 39, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-standard);
    position: relative;
}

.nav-link:hover {
    color: var(--pathfinity-purple);
}

.nav-dropdown {
    position: relative;
}

.dropdown-trigger {
    cursor: pointer;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-standard);
    border: 1px solid var(--border-color);
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-standard);
}

.dropdown-link:hover {
    background: var(--bg-tertiary);
    color: var(--pathfinity-purple);
}

.pathfinity-link {
    color: var(--pathfinity-purple) !important;
    font-weight: 600;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-standard);
    font-size: 1rem;
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--pathfinity-purple);
    border-color: var(--pathfinity-purple);
    transform: scale(1.1);
}

.theme-toggle .theme-icon {
    transition: transform var(--transition-standard);
}

.theme-toggle:hover .theme-icon {
    transform: rotate(20deg);
}

/* Logo Theme Switching */
.nav-logo .logo-white {
    display: block;
}

.nav-logo .logo-black {
    display: none;
}

body.light-mode .nav-logo .logo-white {
    display: none;
}

body.light-mode .nav-logo .logo-black {
    display: block;
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all var(--transition-standard);
}

/* Hero Section */
.hero {
    padding: 11rem 0 6rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.hero-content {
    margin-bottom: 4rem;
}

.hero-title {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-standard);
    border: 1px solid var(--border-color);
}

.stat:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

/* Section Styles */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

/* P-SaaS Section */
.psaas {
    background: var(--bg-primary);
}

.psaas-definition {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    margin: 3rem 0 4rem;
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: center;
    border: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform var(--transition-standard);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.user-groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.user-group {
    padding: 1.5rem;
    border-left: 4px solid var(--pathfinity-purple);
    background: var(--bg-secondary);
    border-radius: 0 8px 8px 0;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--pathfinity-purple);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.impact-item {
    text-align: center;
    padding: 1.5rem;
}

.impact-item h4 {
    color: var(--pathfinity-purple);
    margin-bottom: 1rem;
}

/* 3-Phase Learning Journey Breakthrough Section */
.three-phase-breakthrough {
    background: var(--bg-primary);
}

.breakthrough-principle {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin: 3rem 0 4rem;
    border: 1px solid var(--border-color);
}

.breakthrough-principle h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.breakthrough-principle blockquote {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--pathfinity-purple);
    line-height: 1.6;
    margin: 0;
    position: relative;
}

.breakthrough-principle blockquote::before {
    content: '"';
    font-size: 4rem;
    color: var(--pathfinity-purple);
    position: absolute;
    left: -2rem;
    top: -1rem;
    opacity: 0.3;
}

.three-phases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.phase-card {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-standard);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.phase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.learn-phase::before {
    background: linear-gradient(135deg, #8B5CF6, #6366F1);
}

.experience-phase::before {
    background: linear-gradient(135deg, #3B82F6, #06B6D4);
}

.discover-phase::before {
    background: linear-gradient(135deg, #10B981, #14B8A6);
}

.phase-card:hover {
    transform: translateY(-8px);
}

.phase-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.phase-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.phase-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.phase-method {
    background: var(--bg-tertiary);
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.educational-benefits {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.educational-benefits h3 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.benefit-item {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.benefit-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.benefit-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.credibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.credibility-item {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-standard);
    border: 1px solid var(--border-color);
}

.credibility-item:hover {
    transform: translateY(-5px);
}

.credibility-icon {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: block;
}

/* Pathfinity Section */
.pathfinity {
    background: var(--accent-gradient);
    color: var(--primary-white);
}

.pathfinity-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.pathfinity-text h2 {
    color: var(--primary-white);
    margin-bottom: 1.5rem;
}

.pathfinity-features {
    list-style: none;
    margin: 2rem 0;
}

.pathfinity-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.pathfinity-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-white);
    font-weight: bold;
}

.pathfinity-visual {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.pathfinity-logo {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.pathfinity-tagline {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.pathfinity-subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

/* AI Teaching Assistants Section */
.ai-assistants {
    background: var(--bg-primary);
}

.ai-team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.ai-assistant-card {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-standard);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.ai-assistant-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.ai-assistant-card.finn-maestro::before {
    background: linear-gradient(135deg, #8B5CF6, #EC4899);
}

.ai-assistant-card:hover {
    transform: translateY(-8px);
}

.ai-avatar {
    margin: 0 auto 1.5rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    border: 3px solid var(--pathfinity-purple);
    overflow: hidden;
}

.finn-avatar {
    border: 3px solid #EC4899;
    background: linear-gradient(135deg, #8B5CF6, #EC4899);
}

.finn-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.avatar-placeholder {
    font-size: 2.5rem;
}

.ai-assistant-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.ai-role {
    font-size: 1rem;
    color: var(--pathfinity-purple);
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ai-assistant-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.ai-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.feature-badge {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.ai-technology-highlight {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.ai-technology-highlight h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.ai-technology-highlight p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Platform Section */
.platform {
    background: var(--bg-secondary);
}

.platform-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.platform-highlights,
.platform-applications {
    background: var(--bg-secondary);
    padding: var(--card-padding);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.platform-highlights ul,
.platform-applications ul {
    list-style: none;
}

.platform-highlights li,
.platform-applications li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
    padding-left: 1.5rem;
}

.platform-highlights li::before,
.platform-applications li::before {
    content: "▶";
    position: absolute;
    left: 0;
    color: var(--pathfinity-purple);
    font-size: 0.8rem;
}

.platform-highlights li:last-child,
.platform-applications li:last-child {
    border-bottom: none;
}

/* Success Section */
.success {
    background: var(--bg-secondary);
}

.success-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.success-card {
    background: var(--card-bg);
    padding: var(--card-padding);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-standard);
    border: 1px solid var(--border-color);
}

.success-card:hover {
    transform: translateY(-5px);
}

.success-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.success-stat {
    text-align: center;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Footer */
.footer {
    background: var(--charcoal);
    color: var(--primary-white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.contact-info p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.contact-info a {
    color: var(--pathfinity-purple);
    text-decoration: none;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-standard);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.8;
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .nav-cta .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 1024px) {
    .pathfinity-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .platform-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    /* Hide one button on medium screens to save space */
    .nav-cta .btn:last-child {
        display: none;
    }
}

@media (max-width: 768px) {
    /* Typography */
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--card-bg);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-standard);
        z-index: 999;
        border-bottom: 1px solid var(--border-color);
        justify-content: flex-start;
        gap: 1rem;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu .nav-link {
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
        text-align: center;
        font-size: 1.1rem;
    }
    
    .nav-dropdown .dropdown-content {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--bg-tertiary);
        margin-top: 1rem;
        border-radius: 8px;
    }
    
    .nav-cta .btn {
        display: none;
    }
    
    .theme-toggle {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    
    /* Show only primary button on mobile */
    .nav-cta .btn:not(:first-of-type) {
        display: none;
    }
    
    .nav-cta .btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .menu-open {
        overflow: hidden;
    }
    
    /* Hero */
    .hero {
        padding: 9rem 0 4rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Sections */
    section {
        padding: 3rem 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .user-groups-grid {
        grid-template-columns: 1fr;
    }
    
    .credibility-grid {
        grid-template-columns: 1fr;
    }
    
    .success-cards {
        grid-template-columns: 1fr;
    }
    
    .ai-team-grid {
        grid-template-columns: 1fr;
    }
    
    .three-phases-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .success-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}