/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --background: #ffffff;
    --background-alt: #f9fafb;
    --background-dark: #111827;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Space Grotesk', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    line-height: 1;
}

/* Navigation buttons - smaller size */
.nav-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    min-width: auto;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--background);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--background-alt);
    border-color: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    width: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.logo {
    height: 40px;
    width: auto;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: nowrap;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
    padding: 0.5rem 0.75rem;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    z-index: 1001;
    position: relative;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Combined Hero & Mobile Section */
.combined-hero-mobile {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
}

.combined-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    width: 100%;
}

.hero-section {
    color: white;
}

.mobile-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.mobile-text {
    color: white;
}

.mobile-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.mobile-title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.mobile-subtitle {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    color: white;
}

.mobile-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.2) 0%, transparent 50%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

@media (max-width: 767px) {
    .hero-container {
        display: block !important;
        grid-template-columns: none !important;
    }
}

.hero-content {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.app-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    justify-items: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.app-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: white;
    opacity: 0.9;
}

.app-feature i {
    color: #10b981;
    font-size: 1rem;
}

.app-store-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-mockup {
    position: relative;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
}

.mockup-phone {
    width: 300px;
    height: 600px;
    background: #1f2937;
    border-radius: 30px;
    padding: 20px;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 20px;
    overflow: hidden;
}

.app-interface {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-title {
    font-weight: 700;
    font-size: 1.125rem;
}

.app-status {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
}

.app-content {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contest-card, .job-card {
    background: var(--background-alt);
    padding: 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.contest-header, .job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.contest-prize, .job-type {
    background: var(--gradient-secondary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.contest-participants {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.job-company {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Combined Features & Mobile Section */
.combined-features-mobile {
    background: var(--background-alt);
    padding: var(--spacing-3xl) 0;
}

.combined-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.features-section {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.mobile-section {
    background: var(--gradient-hero);
    color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.mobile-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.mobile-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.mobile-text {
    padding-right: var(--spacing-lg);
}

.mobile-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.mobile-subtitle {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    color: white;
}

.mobile-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Features Section */
.features {
    background: var(--background-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* How It Works Section */
.how-it-works {
    background: white;
    padding: var(--spacing-3xl) 0;
}

.how-it-works .section-title {
    color: #1f2937;
    font-weight: 900;
    font-size: 2.75rem;
    margin-bottom: var(--spacing-lg);
}

.how-it-works .section-subtitle {
    color: #4b5563;
    font-size: 1.375rem;
    font-weight: 500;
    margin-bottom: var(--spacing-2xl);
}

.workflow-container {
    max-width: 1000px;
    margin: 0 auto;
}

.workflow-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    background: var(--background-alt);
    border-radius: var(--radius-lg);
    padding: 0.5rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-2xl);
}

.tab-btn {
    flex: 1;
    padding: 1rem 2rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.tab-btn.active {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow);
}

.tab-content {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.tab-content.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
    position: relative;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-xl);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: white;
    border-color: var(--primary-color);
}

.step:hover h3 {
    color: #1f2937;
}

.step:hover p {
    color: #4b5563;
}

.step-number {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0 auto var(--spacing-lg);
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow);
}

.step::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: 100%;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
    transform: translateY(-50%);
}

.step:last-child::after {
    display: none;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: #1f2937;
    font-weight: 700;
}

.step-content p {
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.6;
    font-weight: 400;
}

/* Success Stories Section */
.success-stories {
    background: var(--background-alt);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.story-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.story-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.story-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.story-content {
    padding: var(--spacing-xl);
}

.story-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.story-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.story-text {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-style: italic;
}

.story-stats {
    display: flex;
    gap: var(--spacing-md);
}

.story-stats .stat {
    background: var(--background-alt);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Platform Statistics */
.platform-stats {
    background: var(--gradient-primary);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    max-width: 100%;
    overflow: hidden;
}

.stat-item {
    text-align: center;
}

.stat-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    backdrop-filter: blur(10px);
}

.stat-icon i {
    font-size: 2rem;
    color: white;
}

.stat-item .stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    color: white;
}

.stat-item .stat-label {
    font-size: 1rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Community Section */
.community {
    background: white;
}

.community .section-title {
    color: #1f2937;
    font-weight: 900;
    font-size: 2.75rem;
    margin-bottom: var(--spacing-lg);
}

.community .section-subtitle {
    color: #4b5563;
    font-size: 1.375rem;
    font-weight: 500;
    margin-bottom: var(--spacing-2xl);
}

.community-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 100%;
    overflow: hidden;
}

.community-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.community-feature {
    text-align: center;
}

.community-feature .feature-icon {
    margin: 0 auto var(--spacing-md);
}

.community-feature h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: #1f2937;
    font-weight: 700;
}

.community-feature p {
    color: #4b5563;
    font-size: 1rem;
    font-weight: 400;
}

.community-cta {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
}

.community-cta h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.community-cta p {
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

/* Platform Preview Section */
.platform-preview {
    background: var(--background-alt);
    padding: var(--spacing-3xl) 0;
}

.preview-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 100%;
    overflow: hidden;
}

.preview-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.preview-feature {
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.preview-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.preview-feature .feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.preview-feature .feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.preview-feature h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: #1f2937;
    font-weight: 700;
}

.preview-feature p {
    color: #4b5563;
    font-size: 0.875rem;
    font-weight: 400;
}

.preview-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.preview-stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.preview-stat .stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.preview-stat .stat-label {
    font-size: 1rem;
    color: #4b5563;
    font-weight: 600;
}

/* Mobile App Showcase Section */
.mobile-showcase {
    background: var(--gradient-hero);
    color: white;
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.mobile-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.showcase-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.showcase-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.showcase-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    color: white;
}

.app-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.app-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: white;
    opacity: 0.9;
}

.app-feature i {
    color: #10b981;
    font-size: 1rem;
}

.app-store-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.app-store-btn {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    overflow: hidden;
    cursor: pointer;
}

.app-store-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-icon {
    font-size: 1.5rem;
}

.btn-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.btn-label {
    font-size: 0.75rem;
    opacity: 0.8;
}

.btn-name {
    font-size: 1rem;
    font-weight: 600;
}

.coming-soon-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Phone Gallery */
.phone-gallery {
    position: relative;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    max-width: 100%;
    overflow: visible;
}

.phone-container {
    position: relative;
    width: 200px;
    height: 400px;
    transition: var(--transition);
    margin: 0.5rem;
}

.phone-container:hover {
    transform: scale(1.05);
    z-index: 10;
}

.phone-1 {
    transform: rotate(-15deg);
    animation: float 6s ease-in-out infinite;
}

.phone-2 {
    transform: rotate(15deg);
    animation: float 6s ease-in-out infinite 1s;
}

.phone-3 {
    transform: rotate(0deg);
    animation: float 6s ease-in-out infinite 2s;
}

.phone-4 {
    transform: rotate(-10deg);
    animation: float 6s ease-in-out infinite 3s;
}

.phone-5 {
    transform: rotate(10deg);
    animation: float 6s ease-in-out infinite 4s;
}

.phone-frame {
    width: 100%;
    height: 100%;
    background: #1f2937;
    border-radius: 25px;
    padding: 8px;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #374151;
    border-radius: 2px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 20px;
    object-fit: cover;
    display: block;
}

/* Enhanced Typography for Mobile Showcase */
.showcase-title {
    font-family: var(--font-secondary);
    letter-spacing: -0.02em;
}

.showcase-subtitle {
    font-weight: 400;
    line-height: 1.7;
}

.app-feature {
    font-weight: 500;
}

/* Enhanced App Store Buttons */
.app-store-btn {
    min-width: 160px;
    justify-content: center;
}

.app-store-btn:hover .coming-soon-overlay {
    background: rgba(0, 0, 0, 0.8);
}

/* Phone Gallery Enhancements */
.phone-container {
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

.phone-container:hover {
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.4));
}

/* Platform Preview Enhancements */
.preview-feature {
    border: 1px solid var(--border-color);
}

.preview-feature:hover {
    border-color: var(--primary-color);
}

.preview-stat {
    border: 1px solid var(--border-color);
}

.preview-stat:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Registration Section */
.registration {
    background: white;
    padding: var(--spacing-3xl) 0;
}

.registration-tabs {
    max-width: 800px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    background: var(--background-alt);
    border-radius: var(--radius-lg);
    padding: 0.5rem;
}

.tab-btn {
    flex: 1;
    padding: 1rem 2rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.tab-btn.active {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow);
}

.tab-btn:hover:not(.active) {
    color: var(--primary-color);
}

.registration-content {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.registration-form-container {
    padding: var(--spacing-2xl);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.form-header h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.form-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.registration-form {
    display: grid;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.error-message {
    color: #ef4444;
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* Footer */
.footer {
    background: var(--background-dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-section p {
    color: #9ca3af;
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #9ca3af;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
