/* ===================================
   Agrimarket Landing Page Styles
   Material Design 3 Inspired
   =================================== */

/* ===================================
   CSS Variables - Material Design 3
   =================================== */
:root {
    /* Brand Colors */
    --primary-green: #16a34a;
    --primary-green-dark: #15803d;
    --primary-green-light: #22c55e;
    --secondary-blue: #60a5fa;
    --secondary-blue-dark: #3b82f6;
    --secondary-blue-light: #93c5fd;

    /* Neutral Colors */
    --background-dark: #0f172a;
    --surface-dark: #1e293b;
    --surface-variant: #334155;
    --on-surface: #f1f5f9;
    --on-surface-variant: #cbd5e1;

    /* Accent Colors */
    --accent-orange: #fb923c;
    --accent-yellow: #fbbf24;

    /* Semantic Colors */
    --success: #22c55e;
    --warning: #fbbf24;
    --error: #ef4444;
    --info: #60a5fa;

    /* Spacing (8dp grid system) */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* Border Radius (16dp standard) */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --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);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-tamil: 'Noto Sans Tamil', sans-serif;
    --font-sinhala: 'Noto Sans Sinhala', sans-serif;

    /* 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);
}

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

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

body {
    font-family: var(--font-sans);
    background-color: var(--background-dark);
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Tamil and Sinhala font support */
body[data-lang="ta"] {
    font-family: var(--font-tamil), var(--font-sans);
}

body[data-lang="si"] {
    font-family: var(--font-sinhala), var(--font-sans);
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--secondary-blue-light);
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--spacing-3xl) 0;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--on-surface);
}

.brand-icon {
    font-size: 2rem;
}

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

.nav-link {
    color: var(--on-surface-variant);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--on-surface);
    background-color: var(--surface-variant);
}

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

.language-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: var(--surface-dark);
    padding: var(--spacing-xs);
    border-radius: var(--radius-full);
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background-color: transparent;
    color: var(--on-surface-variant);
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1;
    min-height: 44px;
    min-width: 44px;
}

.lang-btn:hover {
    background-color: var(--surface-variant);
    color: var(--on-surface);
}

.lang-btn.active {
    background-color: var(--primary-green);
    color: white;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--on-surface);
    cursor: pointer;
    padding: var(--spacing-sm);
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    min-height: 44px;
    min-width: 44px;
}

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

.btn-primary:hover {
    background-color: var(--primary-green-dark);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--secondary-blue);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background-color: var(--secondary-blue-dark);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(22, 163, 74, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(96, 165, 250, 0.1) 0%, transparent 50%);
}



.hero-container {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-content {
    /* entrance animation removed for performance and clarity */
    text-align: center;
    width: 100%;
}



.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--on-surface) 0%, var(--primary-green-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--on-surface-variant);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    justify-content: center;
}

.platform-badges {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--surface-dark);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--on-surface-variant);
}

/* ===================================
   Stats Section
   =================================== */
.stats {
    background-color: var(--surface-dark);
    padding: var(--spacing-2xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--background-dark);
    border-radius: var(--radius-md);
    transition: transform var(--transition-base);
}

.stat-card:hover {
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--on-surface-variant);
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--on-surface-variant);
    max-width: 700px;
    margin: 0 auto;
}

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

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

.feature-card {
    background-color: var(--surface-dark);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.feature-card:hover {
    border-color: var(--primary-green);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--on-surface);
}

.feature-description {
    color: var(--on-surface-variant);
    line-height: 1.8;
}

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

.workflow-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--background-dark);
    color: var(--on-surface-variant);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.tab-btn:hover {
    border-color: var(--primary-green);
    color: var(--on-surface);
}

.tab-btn.active {
    background-color: var(--primary-green);
    color: white;
    border-color: var(--primary-green);
}

.workflow-content {
    position: relative;
}

.workflow-panel {
    display: none;
}

.workflow-panel.active {
    display: block;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.step-card {
    background-color: var(--background-dark);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    text-align: center;
    position: relative;
    transition: all var(--transition-base);
}

.step-card:hover {
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    background-color: var(--primary-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--on-surface);
}

.step-description {
    color: var(--on-surface-variant);
    line-height: 1.6;
}

/* ===================================
   About Section
   =================================== */
.about {
    background-color: var(--background-dark);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-content {
    padding-right: var(--spacing-xl);
}

.about-text {
    font-size: 1.125rem;
    color: var(--on-surface-variant);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.mission-values {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.value-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--surface-dark);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-green);
}

.value-icon {
    font-size: 2rem;
}

.value-item h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--on-surface);
}

.value-item p {
    color: var(--on-surface-variant);
    margin: 0;
}

.project-status {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--surface-dark);
    border-radius: var(--radius-md);
}

.project-status h4 {
    margin-bottom: var(--spacing-md);
}

.status-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--background-dark);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--on-surface-variant);
}

.status-badge .material-icons {
    font-size: 1rem;
    color: var(--primary-green);
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--surface-dark) 0%, var(--surface-variant) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.image-placeholder .material-icons {
    font-size: 6rem;
    color: var(--primary-green);
}

.image-placeholder p {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--on-surface-variant);
}

/* ===================================
   Download Section
   =================================== */
.download {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    text-align: center;
}

.download .section-title,
.download .section-subtitle {
    color: white;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: white;
    color: var(--background-dark);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    text-decoration: none;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.download-btn.disabled {
    background-color: #6b7280;
    color: #9ca3af;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
}

.download-btn.disabled:hover {
    transform: none;
    box-shadow: none;
}

.download-btn .material-icons {
    font-size: 2.5rem;
}

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

.download-label {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
}

.download-platform {
    font-size: 1.25rem;
    font-weight: 700;
}

.qr-code {
    margin-top: var(--spacing-xl);
}

.qr-placeholder {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    background-color: white;
    border-radius: var(--radius-md);
}

.qr-placeholder .material-icons {
    font-size: 8rem;
    color: var(--background-dark);
}

.qr-placeholder p {
    color: var(--background-dark);
    font-weight: 600;
    margin: 0;
}

/* ===================================
   Join Section
   =================================== */
.join {
    background-color: var(--surface-dark);
    text-align: center;
}

.opportunities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.opportunity-card {
    background-color: var(--background-dark);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.opportunity-card:hover {
    border-color: var(--secondary-blue);
}

.opportunity-card .material-icons {
    font-size: 3rem;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-md);
}

.opportunity-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.opportunity-card p {
    color: var(--on-surface-variant);
    margin: 0;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background-color: var(--background-dark);
}

.contact-simple {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-3xl);
}

.contact-email-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-3xl) var(--spacing-4xl);
    background-color: var(--surface-dark);
    border-radius: var(--radius-lg);
    border: 2px solid var(--surface-variant);
    max-width: 600px;
    width: 100%;
}

.contact-email-card .material-icons {
    font-size: 3rem;
    color: var(--primary-green);
}

.contact-email-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--on-surface);
    font-size: 1.25rem;
}

.contact-email-content a {
    color: var(--secondary-blue);
    font-size: 1.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-email-content a:hover {
    color: var(--primary-green);
    text-decoration: underline;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--surface-dark);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-description {
    color: var(--on-surface-variant);
    margin-bottom: var(--spacing-lg);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--background-dark);
    border-radius: 50%;
    color: var(--on-surface-variant);
    transition: all var(--transition-base);
}

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

.footer-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--on-surface);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a,
.footer-links span {
    color: var(--on-surface-variant);
    transition: color var(--transition-fast);
}

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

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

.copyright,
.footer-note {
    color: var(--on-surface-variant);
    font-size: 0.875rem;
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 56px;
    height: 56px;
    background-color: var(--primary-green);
    color: white;
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

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

.scroll-to-top:hover {
    background-color: var(--primary-green-dark);
    transform: translateY(-2px);
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }

    .hero-title {
        font-size: 2.75rem;
    }

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

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

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

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

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }

    section {
        padding: var(--spacing-2xl) 0;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--surface-dark);
        flex-direction: column;
        padding: var(--spacing-lg);
        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-menu-toggle {
        display: block;
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: var(--spacing-3xl);
    }

    .hero-title {
        font-size: 2rem;
    }

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

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

    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
    }

    /* How It Works */
    .workflow-tabs {
        flex-direction: column;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    /* Download */
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .download-btn {
        width: 100%;
        max-width: 300px;
    }

    /* Join */
    .opportunities-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-email-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-xl);
    }

    .contact-email-content a {
        font-size: 1.25rem;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .platform-badges {
        flex-direction: column;
    }

    .language-toggle {
        gap: 2px;
    }

    .lang-btn {
        padding: 8px 12px;
        font-size: 0.875rem;
        min-height: 44px;
        min-width: 44px;
    }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
    text-align: center;
}

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

.text-right {
    text-align: right;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* ===================================
   Animations
   =================================== */



/* ===================================
   Accessibility & Motion Preferences
   =================================== */
:focus-visible {
    outline: 3px solid var(--secondary-blue);
    outline-offset: 3px;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.tab-btn:focus-visible,
.download-btn:focus-visible,
.nav-link:focus-visible {
    outline: 3px solid var(--secondary-blue);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { animation: none !important; transition: none !important; }
    .btn:hover, .download-btn:hover, .scroll-to-top:hover { transform: none !important; }
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-green);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 100;
    border-radius: var(--radius-sm);
}

.skip-to-content:focus {
    top: 0;
}