/* ============================================
   CSS Variables and Root Styles
   ============================================ */
:root {
    /* Colors - Light Theme (Elite Dark Red) */
    --primary-color: #B91C1C;
    --primary-dark: #991B1B;
    --primary-light: #DC2626;
    --secondary-color: #9F1239;
    --accent-color: #D4AF37;

    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;

    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-display: 'Segoe UI', system-ui, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;

    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;

    --border-color: #334155;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background var(--transition-base), color var(--transition-base);
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(15, 23, 42, 0.9);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

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

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

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(15deg);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 30px;
    height: 30px;
    justify-content: center;
}

.mobile-toggle span {
    width: 100%;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Theme Toggle in Menu */
.mobile-theme-toggle {
    display: none;
}

.theme-toggle-mobile {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 100%;
    justify-content: center;
}

.theme-toggle-mobile:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.theme-toggle-mobile i {
    font-size: 1rem;
}

@media (max-width: 768px) {
    .mobile-theme-toggle {
        display: block;
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--border-color);
    }

    .theme-toggle {
        display: none;
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(60px + var(--spacing-xl)) 0 var(--spacing-2xl);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
}

.hero-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-light));
    bottom: -10%;
    left: -5%;
    animation-delay: 5s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(185, 28, 28, 0.1), rgba(159, 18, 57, 0.1));
    border: 1px solid rgba(185, 28, 28, 0.2);
    border-radius: var(--radius-full);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

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

.btn-block {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.phone-mockup {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-frame {
    width: 280px;
    height: 580px;
    background: var(--text-primary);
    border-radius: 3rem;
    padding: 1rem;
    position: relative;
    box-shadow:
        0 0 0 8px var(--bg-secondary),
        var(--shadow-xl);
    animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(-2deg);
    }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    border-radius: 2.5rem;
    overflow: hidden;
    position: relative;
}

.app-preview {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a0a0a 0%, #2d0a0a 50%, #3d1010 100%);
    display: flex;
    flex-direction: column;
}

.preview-header {
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    color: white;
}

.preview-time {
    font-weight: 600;
    font-size: 0.75rem;
}

.preview-icons {
    display: flex;
    gap: 0.4rem;
    font-size: 0.65rem;
}

.preview-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.preview-apps-grid {
    display: grid;
    grid-template-columns: repeat(4, 48px);
    gap: 12px;
    padding: 12px 8px;
    justify-content: center;
    align-content: start;
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.preview-app-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-fast);
    display: block;
}

.preview-app-icon:hover {
    transform: scale(1.1);
}

.preview-app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-see-more {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: white;
}

.preview-see-more i {
    font-size: 14px;
    margin-bottom: 2px;
}

.preview-see-more span {
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
}

.preview-dock {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
    margin: 0 8px 12px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    flex-shrink: 0;
}

.dock-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
}

.dock-icon:nth-child(1) {
    background: linear-gradient(135deg, #34c759, #30d158);
}

.dock-icon:nth-child(2) {
    background: linear-gradient(135deg, #007aff, #5ac8fa);
}

.dock-icon:nth-child(3) {
    background: linear-gradient(135deg, #34c759, #30d158);
}

.dock-icon:nth-child(4) {
    background: linear-gradient(135deg, #ff2d55, #ff375f);
}

.phone-shadow {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 30px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    filter: blur(20px);
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(185, 28, 28, 0.1), rgba(159, 18, 57, 0.1));
    border: 1px solid rgba(185, 28, 28, 0.2);
    border-radius: var(--radius-full);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
}

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

/* ============================================
   Features Section
   ============================================ */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Screenshots Section
   ============================================ */
.screenshots-carousel {
    position: relative;
    padding: var(--spacing-lg) 0;
}

.carousel-container {
    overflow: hidden;
    position: relative;
}

.carousel-track {
    display: flex;
    gap: var(--spacing-lg);
    transition: transform var(--transition-slow);
}

.screenshot-item {
    flex: 0 0 300px;
}

.screenshot-frame {
    background: var(--text-primary);
    border-radius: 2rem;
    padding: 0.75rem;
    box-shadow: var(--shadow-xl);
}

.screenshot-content {
    background: var(--bg-primary);
    border-radius: 1.5rem;
    height: 500px;
    overflow: hidden;
}

.screenshot-placeholder {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    color: white;
}

.screenshot-placeholder i {
    font-size: 3rem;
}

.screenshot-placeholder p {
    font-size: 1.125rem;
    font-weight: 600;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: -25px;
}

.carousel-btn.next {
    right: -25px;
}

/* ============================================
   Download Section
   ============================================ */
.download {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -250px;
    right: -250px;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.download-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.download-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 1rem 1.5rem;
    background: white;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.download-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.download-btn div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-label {
    font-size: 0.75rem;
    opacity: 0.7;
}

.download-platform {
    font-size: 1rem;
    font-weight: 700;
}

.download-mockup {
    font-size: 15rem;
    color: rgba(255, 255, 255, 0.2);
    text-align: center;
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

.testimonial-rating {
    color: #fbbf24;
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: 0.25rem;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.author-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.contact-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.contact-item i {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-input {
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

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

.footer-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.newsletter-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.newsletter-form button {
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.newsletter-form button:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* ============================================
   Scroll to Top Button
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

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

[data-aos] {
    opacity: 0;
    transition: all 0.3s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-content,
    .download-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-text {
        order: -1;
    }

    .hero-image {
        order: 1;
    }

    .download-image {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .carousel-btn.prev {
        left: 10px;
    }

    .carousel-btn.next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

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

    .download-btn {
        width: 100%;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xs);
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }
}

/* ============================================
   Apps Section
   ============================================ */
.apps-section {
    background: var(--bg-secondary);
}

.apps-category {
    margin-bottom: var(--spacing-2xl);
}

.apps-category:last-child {
    margin-bottom: 0;
}

.category-header {
    margin-bottom: var(--spacing-xl);
}

.category-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

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

.category-description {
    color: var(--text-secondary);
    font-size: 1rem;
}

.apps-grid {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 1.5rem !important;
    justify-content: flex-start !important;
}

.apps-grid .app-card {
    flex: 0 0 calc(25% - 1.125rem) !important;
    max-width: calc(25% - 1.125rem) !important;
}

@media (max-width: 1100px) {
    .apps-grid .app-card {
        flex: 0 0 calc(33.333% - 1rem) !important;
        max-width: calc(33.333% - 1rem) !important;
    }
}

@media (max-width: 800px) {
    .apps-grid .app-card {
        flex: 0 0 calc(50% - 0.75rem) !important;
        max-width: calc(50% - 0.75rem) !important;
    }
}

@media (max-width: 500px) {
    .apps-grid .app-card {
        flex: 0 0 calc(50% - 0.5rem) !important;
        max-width: calc(50% - 0.5rem) !important;
    }

    .apps-grid {
        gap: 1rem !important;
    }
}

/* Load More Button */
.load-more-wrapper {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.load-more-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-xl);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.load-more-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.load-more-btn i {
    transition: transform var(--transition-fast);
}

.load-more-btn:hover i {
    transform: translateY(3px);
}

.app-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.app-card:hover::before {
    opacity: 1;
}

.app-icon-wrapper {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.app-icon-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-info {
    flex: 1;
}

.app-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.app-subtitle {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.app-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.app-store-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.app-card:hover .app-store-badge {
    background: var(--primary-color);
    color: white;
}

@media (max-width: 480px) {
    .app-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: var(--spacing-md);
    }

    .app-icon-wrapper {
        width: 60px;
        height: 60px;
        margin-bottom: var(--spacing-sm);
    }

    .app-info h3 {
        font-size: 0.85rem;
    }

    .app-info p {
        font-size: 0.7rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .app-store-badge {
        margin-top: var(--spacing-sm);
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.7rem;
    }
}

/* ============================================
   CertAI Page Styles - Red Brand Theme
   ============================================ */

/* CertAI Brand Colors */
:root {
    --certai-red: #C8202F;
    --certai-red-dark: #A01828;
    --certai-red-light: #E23040;
    --certai-gradient: linear-gradient(135deg, #C8202F, #E23040);
}

.certai-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-2xl);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    overflow: hidden;
}

/* Animated background shapes */
.certai-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.certai-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.certai-shape-1 {
    width: 500px;
    height: 500px;
    background: var(--certai-gradient);
    top: -150px;
    right: -100px;
    animation: certaiFloat 15s ease-in-out infinite;
}

.certai-shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #C8202F, #FF6B6B);
    bottom: -100px;
    left: -100px;
    animation: certaiFloat 20s ease-in-out infinite reverse;
}

.certai-shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #E23040, #FF8585);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: certaiPulse 10s ease-in-out infinite;
}

@keyframes certaiFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

@keyframes certaiPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.5; }
}

.certai-hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.certai-badge {
    width: 100px;
    height: 100px;
    background: var(--certai-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 10px 40px rgba(200, 32, 47, 0.4);
    animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); box-shadow: 0 10px 40px rgba(200, 32, 47, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 15px 50px rgba(200, 32, 47, 0.5); }
}

/* CertAI Brand Text - CompTIA Red */
.certai-brand-text {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    color: var(--certai-red);
    -webkit-text-fill-color: var(--certai-red);
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 4px 30px rgba(200, 32, 47, 0.3);
    letter-spacing: -0.02em;
}

[data-theme="dark"] .certai-brand-text {
    color: var(--certai-red-light);
    -webkit-text-fill-color: var(--certai-red-light);
    text-shadow: 0 4px 30px rgba(226, 48, 64, 0.4);
}

.certai-subtitle {
    font-size: 1.35rem;
    color: var(--certai-red);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.certai-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Enhanced Stats */
.certai-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.certai-stats .stat-item {
    text-align: center;
    background: var(--bg-primary);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    min-width: 140px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.certai-stats .stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--certai-gradient);
}

.certai-stats .stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--certai-red);
}

.certai-stats .stat-icon {
    font-size: 1.5rem;
    color: var(--certai-red);
    margin-bottom: var(--spacing-xs);
}

.certai-stats .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--certai-red);
    line-height: 1.2;
}

.certai-stats .stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* CertAI CTA Buttons */
.certai-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-certai-primary {
    background: var(--certai-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(200, 32, 47, 0.3);
}

.btn-certai-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(200, 32, 47, 0.4);
}

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

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

/* Active nav link */
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    width: 100%;
}

/* CertAI Responsive Styles */
@media (max-width: 768px) {
    .certai-hero {
        min-height: auto;
        padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-xl);
    }

    .certai-badge {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    .certai-brand-text {
        font-size: clamp(2.5rem, 10vw, 3.5rem);
    }

    .certai-subtitle {
        font-size: 1rem;
    }

    .certai-stats {
        gap: var(--spacing-md);
    }

    .certai-stats .stat-item {
        padding: var(--spacing-md);
        min-width: 100px;
    }

    .certai-stats .stat-number {
        font-size: 1.75rem;
    }

    .certai-stats .stat-label {
        font-size: 0.75rem;
    }

    .certai-cta {
        flex-direction: column;
        align-items: center;
    }

    .certai-cta .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .certai-stats {
        flex-direction: column;
        align-items: center;
    }

    .certai-stats .stat-item {
        width: 100%;
        max-width: 200px;
    }
}

/* ============================================
   Legal Pages (Privacy Policy, Terms of Use)
   ============================================ */
.legal-content {
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    min-height: 100vh;
}

.legal-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.legal-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.legal-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.legal-body {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.legal-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.legal-body h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-body p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.legal-body ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.legal-body li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    list-style-type: disc;
}

.legal-body strong {
    color: var(--text-primary);
}