/* CSS Custom Properties */
:root {
    /* Colors using HSL format */
    --primary: 220 26% 14%; /* #1a2332 - Dark blue-gray */
    --primary-light: 220 26% 20%; /* #253447 */
    --secondary: 45 100% 51%; /* #ffa600 - Warm orange accent */
    --background: 210 11% 98%; /* #f8f9fb - Very light gray */
    --surface: 0 0% 100%; /* #ffffff - Pure white */
    --text-primary: 220 26% 14%; /* #1a2332 - Dark text */
    --text-secondary: 220 9% 46%; /* #6b7280 - Medium gray */
    --text-light: 220 9% 68%; /* #9ca3af - Light gray */
    --border: 220 13% 91%; /* #e5e7eb - Light border */
    --shadow: 220 26% 14% / 0.08; /* Subtle shadow */
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: hsl(var(--text-primary));
    background-color: hsl(var(--background));
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: hsla(var(--surface) / 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid hsl(var(--border));
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 120px;
    width: auto;
    border-radius: var(--border-radius);
}

/* Hero Section */
.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, hsl(var(--background)) 0%, hsl(var(--surface)) 100%);
    position: relative;
    overflow: hidden;
    padding: var(--space-20) 0 var(--space-10);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 40%, hsla(var(--secondary) / 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, hsla(var(--primary) / 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    color: hsl(var(--primary));
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

.hero-subtitle p {
    font-size: var(--font-size-lg);
    color: hsl(var(--text-secondary));
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .hero-subtitle p {
        font-size: var(--font-size-xl);
    }
}

/* Main Content Section */
.main-content {
    padding: var(--space-20) 0;
    background-color: hsl(var(--surface));
}

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

.content-text p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-6);
    color: hsl(var(--text-secondary));
    line-height: 1.7;
}

.intro-paragraph {
    font-size: var(--font-size-xl) !important;
    color: hsl(var(--text-primary)) !important;
    font-weight: 500;
    margin-bottom: var(--space-8) !important;
}

.highlight {
    font-weight: 600 !important;
    color: hsl(var(--primary)) !important;
    font-size: var(--font-size-xl) !important;
    position: relative;
    padding: var(--space-2) 0;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: hsl(var(--secondary));
    border-radius: 2px;
}

/* Video Section */
.video-section {
    padding: var(--space-20) 0;
    background-color: hsl(var(--surface));
}

.video-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .video-section {
        padding: var(--space-24) 0;
    }
    
    .video-container {
        padding: 0 var(--space-6);
    }
}

/* Join the Movement Section */
.join-movement {
    padding: var(--space-24) 0;
    background-color: hsl(var(--background));
}

.section-title {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: hsl(var(--primary));
    margin-bottom: var(--space-16);
}

/* Email Subscription Form */
.email-subscription {
    max-width: 600px;
    margin: 0 auto var(--space-16) auto;
    text-align: center;
}

.subscription-text {
    font-size: var(--font-size-lg);
    color: hsl(var(--text-secondary));
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

.subscription-form {
    background-color: hsl(var(--surface));
    padding: var(--space-8);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px hsla(var(--shadow));
    border: 1px solid hsl(var(--border));
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

@media (min-width: 640px) {
    .form-group {
        flex-direction: row;
        align-items: stretch;
    }
}

.email-input {
    flex: 1;
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-base);
    border: 2px solid hsl(var(--border));
    border-radius: var(--border-radius);
    background-color: hsl(var(--background));
    color: hsl(var(--text-primary));
    transition: all var(--transition-fast);
}

.email-input:focus {
    outline: none;
    border-color: hsl(var(--primary));
    box-shadow: 0 0 0 3px hsla(var(--primary) / 0.1);
}

.email-input::placeholder {
    color: hsl(var(--text-secondary));
}

.subscribe-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.subscribe-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px hsla(var(--primary) / 0.4);
}

.subscribe-btn:active {
    transform: translateY(0);
}

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

.subscribe-btn:hover i {
    transform: translateX(2px);
}

.privacy-note {
    font-size: var(--font-size-sm);
    color: hsl(var(--text-secondary));
    margin: 0;
    opacity: 0.8;
}

.movement-image {
    text-align: center;
    margin: var(--space-12) 0;
}

.movement-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    max-height: 400px;
    object-fit: cover;
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

.movement-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .movement-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--space-10);
    }
}

.movement-card {
    background-color: hsl(var(--surface));
    padding: var(--space-8);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px hsla(var(--shadow));
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid hsl(var(--border));
}

.movement-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px hsla(var(--shadow));
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, hsl(var(--secondary)), hsl(var(--secondary) / 0.8));
    border-radius: 50%;
    margin-bottom: var(--space-6);
    color: white;
    font-size: var(--font-size-2xl);
}

.movement-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: hsl(var(--primary));
    margin-bottom: var(--space-4);
}

.movement-card p {
    color: hsl(var(--text-secondary));
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: hsl(var(--primary));
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.card-link:hover {
    color: hsl(var(--secondary));
    border-bottom-color: hsl(var(--secondary));
}

.card-link i {
    transition: transform var(--transition-fast);
}

.card-link:hover i {
    transform: translateX(4px);
}

/* Footer */
.footer {
    background-color: hsl(var(--primary));
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-brand h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.footer-brand p {
    color: hsla(0 0% 100% / 0.8);
}

.social-links {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: hsla(0 0% 100% / 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
}

.social-link:hover {
    background-color: hsl(var(--secondary));
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid hsla(0 0% 100% / 0.1);
}

.footer-bottom p {
    color: hsla(0 0% 100% / 0.6);
    font-size: var(--font-size-sm);
}

/* Animation Classes */
.fade-in,
.fade-in-delay,
.fade-up,
.fade-up-delay-1,
.fade-up-delay-2,
.fade-up-delay-3 {
    opacity: 0;
    transition: all var(--transition-slow);
}

.fade-in {
    transform: translateY(20px);
}

.fade-in-delay {
    transform: translateY(20px);
    transition-delay: 0.2s;
}

.fade-up {
    transform: translateY(30px);
}

.fade-up-delay-1 {
    transform: translateY(30px);
    transition-delay: 0.1s;
}

.fade-up-delay-2 {
    transform: translateY(30px);
    transition-delay: 0.2s;
}

.fade-up-delay-3 {
    transform: translateY(30px);
    transition-delay: 0.3s;
}

/* Visible state for animations */
.fade-in.visible,
.fade-in-delay.visible,
.fade-up.visible,
.fade-up-delay-1.visible,
.fade-up-delay-2.visible,
.fade-up-delay-3.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Page-specific styles for new pages */
.page-hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, hsl(var(--background)) 0%, hsl(var(--surface)) 100%);
    padding: var(--space-20) 0;
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 600;
    color: hsl(var(--primary));
    text-align: center;
    margin-bottom: var(--space-6);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: hsl(var(--text-secondary));
    text-align: center;
    margin-bottom: var(--space-12);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.videos-container {
    margin-bottom: var(--space-12);
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.video-card {
    background: hsl(var(--surface));
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-base);
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.video-thumbnail:hover img {
    transform: scale(1.05);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
}

.video-thumbnail:hover .play-button {
    background: rgba(0, 0, 0, 0.9);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-content {
    padding: var(--space-6);
}

.video-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: hsl(var(--primary));
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.video-description {
    color: hsl(var(--text-secondary));
    margin-bottom: var(--space-4);
    line-height: 1.5;
    font-size: var(--font-size-sm);
}

.video-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: hsl(var(--secondary));
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: hsl(var(--text-secondary));
    text-decoration: none;
    padding: var(--space-3) var(--space-6);
    border: 1px solid hsl(var(--border));
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    margin: 0 auto;
    display: block;
    width: fit-content;
}

.back-button:hover {
    background: hsl(var(--surface));
    color: hsl(var(--primary));
    border-color: hsl(var(--secondary));
}

/* Coming Soon Styles */
.coming-soon {
    text-align: center;
    padding: var(--space-16);
}

.coming-soon-content {
    max-width: 500px;
    margin: 0 auto;
}

.coming-soon-icon {
    font-size: 4rem;
    color: hsl(var(--secondary));
    margin-bottom: var(--space-8);
}

.coming-soon h2 {
    font-size: var(--font-size-2xl);
    color: hsl(var(--primary));
    margin-bottom: var(--space-6);
}

.coming-soon p {
    color: hsl(var(--text-secondary));
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.loading-state,
.empty-state,
.error-state {
    text-align: center;
    padding: var(--space-12);
    color: hsl(var(--text-secondary));
}

.loading-state i,
.empty-state i,
.error-state i {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
    display: block;
}

/* Responsive Typography */
@media (max-width: 767px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-5xl: 2.5rem;
    }
    
    .hero {
        min-height: 80vh;
        padding: var(--space-20) 0;
    }
    
    .main-content {
        padding: var(--space-16) 0;
    }
    
    .join-movement {
        padding: var(--space-20) 0;
    }
    
    .content-text p {
        font-size: var(--font-size-base);
    }
    
    .intro-paragraph {
        font-size: var(--font-size-lg) !important;
    }
    
    .highlight {
        font-size: var(--font-size-lg) !important;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: var(--font-size-2xl);
    }
}

/* Loading animation for hero elements */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title,
.hero-subtitle {
    animation: fadeInUp var(--transition-slow) ease-out;
}

.hero-subtitle {
    animation-delay: 0.2s;
    animation-fill-mode: both;
}

/* Focus styles for accessibility */
.card-link:focus,
.social-link:focus {
    outline: 2px solid hsl(var(--secondary));
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .footer {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-8) 0;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
}
