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

:root {
    /* Primary Colors - Purple Palette */
    --primary-900: #4c1d95;
    --primary-800: #5b21b6;
    --primary-700: #6d28d9;
    --primary-600: #7c3aed;
    --primary-500: #8b5cf6;
    --primary-400: #a78bfa;
    --primary-300: #c4b5fd;
    --primary-200: #ddd6fe;
    --primary-100: #ede9fe;
    --primary-50: #f5f3ff;

    /* Secondary Colors - Lavender/Lilac */
    --secondary-600: #9333ea;
    --secondary-500: #a855f7;
    --secondary-400: #c084fc;
    --secondary-300: #d8b4fe;
    --secondary-200: #e9d5ff;
    --secondary-100: #f3e8ff;

    /* Neutral Colors */
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-500) 0%, var(--primary-400) 100%);
    --gradient-accent: linear-gradient(135deg, var(--primary-700) 0%, var(--secondary-600) 100%);
    --gradient-light: linear-gradient(135deg, var(--primary-100) 0%, var(--secondary-100) 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

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

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-title {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

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

/* 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-lg);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

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

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-600);
    border: 2px solid var(--primary-200);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: var(--primary-50);
    border-color: var(--primary-300);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-300);
}

.btn-outline:hover {
    background: var(--primary-600);
    color: var(--white);
    transform: translateY(-2px);
}

/* 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(--primary-100);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo .logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.nav-logo a {
    display: block;
    text-decoration: none;
}

.nav-logo .logo-image {
    height: 50px;
    width: auto;
    display: block;
    transition: transform var(--transition-base);
}

.nav-logo .logo-image:hover {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .nav-logo .logo-image {
        height: 40px;
    }
}

.nav-menu {
    display: flex;
    gap: var(--spacing-2xl);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-600);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-600);
    margin: 3px 0;
    transition: var(--transition-base);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 120px var(--spacing-lg) var(--spacing-4xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--white) 50%, var(--secondary-50) 100%);
    opacity: 0.6;
    z-index: -1;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    margin-bottom: var(--spacing-4xl);
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--gradient-light);
    color: var(--primary-700);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xl);
    animation: pulse 2s infinite;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
}

.hero-blob {
    width: 300px;
    height: 300px;
    background: var(--gradient-secondary);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: morph 8s ease-in-out infinite;
    position: absolute;
    z-index: -1;
}

.hero-image {
    width: 200px;
    height: 200px;
    background: var(--white);
    border-radius: var(--radius-2xl);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-2xl);
    font-size: 4rem;
    color: var(--primary-600);
}

.hero-image-real {
    width: 400px;
    height: 400px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    position: relative;
}

.hero-image-real img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.3) 0%, rgba(147, 51, 234, 0.2) 100%);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4xl);
    margin-top: auto;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--gray-600);
    font-weight: 600;
    font-size: 0.9rem;
}

/* ============================================
   PHOTO GALLERY SECTION
   Galeria interativa com fotos reais do SPARK
   - 5 fotos em grid moderno
   - Overlay roxo com hover
   - Foto grande destacada (2x2)
   ============================================ */
.photo-gallery {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

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

.gallery-item {
    position: relative;
    height: 250px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
}

.gallery-large {
    grid-column: span 2;
    grid-row: span 2;
    height: auto;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-xl);
    background: linear-gradient(to top, rgba(124, 58, 237, 0.95) 0%, rgba(124, 58, 237, 0.7) 50%, transparent 100%);
    color: var(--white);
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.gallery-overlay p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 0.95rem;
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-4xl) 0;
    background: var(--gray-50);
}

.how-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.how-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.how-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.how-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.how-card:hover::before {
    transform: scaleX(1);
}

.how-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-light);
    border-radius: var(--radius-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--primary-600);
}

.how-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.how-card p {
    color: var(--gray-600);
    margin: 0;
}

/* Spark Tank Section */
.spark-tank {
    padding: var(--spacing-4xl) 0;
    background: var(--gradient-light);
}

.spark-tank-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.spark-tank-info h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.spark-tank-features {
    margin: var(--spacing-xl) 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

.feature-item i {
    color: var(--primary-600);
    font-size: 1.25rem;
}

.tank-timeline {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.tank-photos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.tank-photo {
    position: relative;
    height: 280px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.tank-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tank-photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.3) 0%, rgba(147, 51, 234, 0.2) 100%);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 15px;
    top: 40px;
    width: 2px;
    height: calc(100% + 20px);
    background: var(--primary-200);
}

.timeline-dot {
    width: 30px;
    height: 30px;
    background: var(--primary-200);
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.timeline-item.active .timeline-dot {
    background: var(--gradient-primary);
}

.timeline-content h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.timeline-content p {
    color: var(--gray-600);
    margin: 0;
}

/* Schools Section */
.schools {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

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

.school-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.school-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.school-logo {
    width: 80px;
    height: 80px;
    background: var(--gradient-light);
    border-radius: var(--radius-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--primary-600);
}

.school-card h3 {
    margin: 0;
    color: var(--gray-900);
    font-size: 1.1rem;
}

/* Impact Section */
.impact {
    padding: var(--spacing-4xl) 0;
    background: var(--gray-50);
}

.impact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.impact-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.impact-stat {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

.impact-stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.impact-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
}

.impact-label {
    color: var(--gray-600);
    font-weight: 600;
    font-size: 1rem;
}

.impact-chart {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    height: 400px;
}

/* ============================================
   OUR EVENTS SECTION
   Galeria de 6 fotos de workshops e eventos
   - Grid 3 colunas
   - Overlay roxo com opacity 40%
   - Efeito hover: zoom + lift
   ============================================ */
.our-events {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

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

.event-photo {
    position: relative;
    height: 300px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
}

.event-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.event-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.4) 0%, rgba(147, 51, 234, 0.3) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.event-photo:hover .event-overlay {
    opacity: 1;
}

.event-photo:hover img {
    transform: scale(1.05);
}

.event-photo:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-4xl) 0;
    background: var(--gradient-light);
}

.testimonials-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.testimonials-photos {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.testimonial-photo {
    position: relative;
    height: 300px;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.testimonial-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.5) 0%, rgba(147, 51, 234, 0.4) 100%);
}

.testimonials-carousel {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-item {
    background: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: none;
}

.testimonial-item.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

.testimonial-content p {
    font-size: 1.25rem;
    color: var(--gray-700);
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

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

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--primary-600);
}

.author-info h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.author-info span {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.contact-methods {
    margin: var(--spacing-2xl) 0;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-light);
    border-radius: var(--radius-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.25rem;
    color: var(--primary-600);
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.contact-details p {
    color: var(--gray-600);
    margin: 0;
}

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

.social-link {
    width: 50px;
    height: 50px;
    background: var(--gradient-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.25rem;
    color: var(--primary-600);
    text-decoration: none;
    transition: all var(--transition-base);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-form {
    background: var(--gray-50);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-base);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-400);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

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

.footer-title {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-section ul li i {
    color: var(--primary-400);
    width: 16px;
}

.footer-section a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-section a:hover {
    color: var(--primary-400);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: var(--gray-400);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes morph {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Page Header */
.page-header {
    padding: 120px 0 80px;
    background: var(--gradient-light);
    text-align: center;
}

.page-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-title {
    margin-bottom: var(--spacing-lg);
}

.page-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 0;
}

/* History Section */
.history {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

.history-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.history-text p {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.history-photos {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.history-photo {
    position: relative;
    height: 280px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.history-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.history-photo:hover img {
    transform: scale(1.05);
}

.history-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.4) 0%, rgba(147, 51, 234, 0.3) 100%);
}

.history-timeline {
    background: var(--gray-50);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.timeline-year {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.timeline-year:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 15px;
    top: 40px;
    width: 2px;
    height: calc(100% + 20px);
    background: var(--primary-200);
}

.year-dot {
    width: 30px;
    height: 30px;
    background: var(--gradient-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.year-content h4 {
    color: var(--primary-600);
    margin-bottom: var(--spacing-xs);
}

.year-content p {
    color: var(--gray-600);
    margin: 0;
}

/* Mission Vision Values */
.mission-vision-values {
    padding: var(--spacing-4xl) 0;
    background: var(--gray-50);
}

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

.mvv-card {
    background: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

.mvv-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.mvv-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-light);
    border-radius: var(--radius-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--primary-600);
}

.mvv-card h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

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

.value-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

.value-item i {
    color: var(--primary-600);
    margin-top: 4px;
    flex-shrink: 0;
}

/* Team Section */
.team {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

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

.team-member {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.member-avatar {
    width: 100px;
    height: 100px;
    background: var(--gradient-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2.5rem;
    color: var(--primary-600);
}

.member-info h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.member-info p {
    color: var(--primary-600);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.member-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* Spark Tank Hero */
.spark-tank-hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.spark-tank-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="25" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.spark-tank-hero-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.spark-tank-hero-text .hero-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    backdrop-filter: blur(10px);
}

.spark-tank-hero-text .hero-title {
    color: var(--white);
}

.spark-tank-hero-text .hero-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
}

.spark-tank-hero-text .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.spark-tank-hero-text .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.spark-tank-hero-text .btn-outline {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.5);
}

.spark-tank-hero-text .btn-outline:hover {
    background: var(--white);
    color: var(--primary-600);
}

.tank-hero-blob {
    width: 250px;
    height: 250px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: morph 8s ease-in-out infinite;
    position: absolute;
    z-index: -1;
}

.tank-hero-image {
    width: 150px;
    height: 150px;
    background: var(--white);
    border-radius: var(--radius-2xl);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-2xl);
    font-size: 3rem;
    color: var(--primary-600);
}

/* What is Tank */
.what-is-tank {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

.what-is-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.what-is-features {
    margin-top: var(--spacing-xl);
}

.what-is-features .feature-item {
    background: var(--primary-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.tank-stats {
    background: var(--gradient-light);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.tank-stat {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.tank-stat:last-child {
    margin-bottom: 0;
}

.tank-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
}

.tank-stat-label {
    color: var(--gray-600);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Past Editions */
.past-editions {
    padding: var(--spacing-4xl) 0;
    background: var(--gray-50);
}

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

.edition-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.edition-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.edition-year {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-lg);
}

.edition-winner h4 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.edition-winner p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.edition-prize {
    background: var(--gradient-light);
    color: var(--primary-700);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 700;
    display: inline-block;
}

/* How to Participate */
.how-to-participate {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

.participate-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.step-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 800;
    font-size: 1.1rem;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-light);
    border-radius: var(--radius-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--primary-600);
}

.step-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.step-card p {
    color: var(--gray-600);
    margin: 0;
}

/* Prizes */
.prizes {
    padding: var(--spacing-4xl) 0;
    background: var(--gradient-light);
}

.prizes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.prize-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

.prize-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.prize-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-light);
    border-radius: var(--radius-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--primary-600);
}

.prize-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.prize-card p {
    color: var(--gray-600);
    margin: 0;
}

/* Schedule */
.schedule {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

.schedule-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.schedule-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.schedule-item:hover {
    background: var(--primary-50);
    transform: translateX(10px);
}

.schedule-date {
    text-align: center;
    min-width: 80px;
}

.date-day {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-600);
    line-height: 1;
}

.date-month {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-600);
    font-weight: 600;
    text-transform: uppercase;
}

.schedule-content {
    flex: 1;
}

.schedule-content h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.schedule-content p {
    color: var(--gray-600);
    margin: 0;
}

.schedule-status {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 100px;
    text-align: center;
}

.schedule-status.active {
    background: #dcfce7;
    color: #166534;
}

.schedule-status:not(.active) {
    background: var(--gray-200);
    color: var(--gray-600);
}

/* Mentors and Investors */
.mentors-investors {
    padding: var(--spacing-4xl) 0;
    background: var(--gray-50);
}

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

.mentor-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

.mentor-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.mentor-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--primary-600);
}

.mentor-info h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.mentor-info p {
    color: var(--primary-600);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.mentor-expertise {
    background: var(--primary-50);
    color: var(--primary-700);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
}

/* Tank CTA */
.tank-cta {
    padding: var(--spacing-4xl) 0;
    background: var(--gradient-accent);
    color: var(--white);
    text-align: center;
}

.cta-title {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.cta-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-xl) 0;
        gap: var(--spacing-xl);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .hero-buttons {
        justify-content: center;
    }

    .history-content,
    .what-is-content,
    .spark-tank-content,
    .impact-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .spark-tank-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .schedule-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .schedule-date {
        order: -1;
    }

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

    .gallery-large {
        grid-column: span 1;
        grid-row: span 1;
    }

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

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

    .hero-image-real {
        width: 100%;
        height: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        padding: 100px var(--spacing-md) var(--spacing-2xl);
    }

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

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

    .how-grid,
    .schools-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: var(--spacing-xl);
    }
}