:root {
    /* Light Theme Variables */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    /* Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --footer-bg: #0f172a;
    --footer-text: #94a3b8;
    
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px 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);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables */
body.dark {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --card-bg: #1e293b;
    --navbar-bg: rgba(15, 23, 42, 0.95);
    --footer-bg: #020617;
    --footer-text: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Theme Transition */
.theme-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.theme-transition.active {
    opacity: 0.3;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo i {
    font-size: 2rem;
    -webkit-text-fill-color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: var(--transition);
}

.nav-links a i {
    font-size: 1.1rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--primary);
    color: white;
    transform: rotate(180deg);
}

.login-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.mobile-menu {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
}

/* Page Header */
.page-header {
    position: relative;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
    overflow: hidden;
}

.header-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.header-content h1 {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 1rem;
}

.gradient-text {
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
}

.header-shape {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--bg-primary);
    clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 100%);
    transition: background 0.3s ease;
}

/* Section Styles */
.section-subtitle {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Story Section */
.story-section {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.story-text {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.story-image {
    position: relative;
}

.story-image img {
    width: 100%;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--border-color);
}

.experience-badge .years {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.experience-badge .text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Mission Section */
.mission-section {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.mission-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.card-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.card-icon i {
    font-size: 2rem;
    color: white;
}

.mission-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.mission-card p {
    color: var(--text-muted);
    line-height: 1.8;
}

/* Values Section */
.values-section {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.value-item {
    text-align: center;
    padding: 2rem;
    border-radius: 1rem;
    background: var(--card-bg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.value-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.value-item h4 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.value-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Team Section */
.team-section {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.team-card {
    background: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.member-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.team-card:hover .member-image img {
    transform: scale(1.1);
}

.member-social {
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    transition: var(--transition);
}

.team-card:hover .member-social {
    bottom: 0;
}

.member-social a {
    width: 35px;
    height: 35px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

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

.member-info {
    padding: 1.5rem;
    text-align: center;
}

.member-info h3 {
    margin-bottom: 0.3rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.member-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials-section {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.testimonial-slider {
    padding: 2rem 0 4rem;
}

.testimonial-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    margin: 1rem;
    border: 1px solid var(--border-color);
}

.testimonial-rating {
    margin-bottom: 1rem;
    color: #fbbf24;
}

.testimonial-text {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
    color: var(--text-primary);
}

.testimonial-author p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: var(--primary);
    opacity: 0.5;
}

.swiper-pagination-bullet-active {
    opacity: 1;
    width: 20px;
    border-radius: 10px;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background: var(--footer-bg);
    color: white;
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: white;
}

.footer-logo i {
    color: var(--primary);
}

.footer-col p {
    color: var(--footer-text);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 35px;
    height: 35px;
    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);
    transform: translateY(-3px);
}

.footer-col h3 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: white;
}

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

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: var(--footer-text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--footer-text);
    margin-bottom: 1rem;
}

.contact-info i {
    color: var(--primary);
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--footer-text);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 45px;
    height: 45px;
    background: var(--gradient-1);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .story-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mission-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .header-content h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .mission-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-badge {
        position: static;
        margin-top: 1rem;
    }
}

@media (max-width: 480px) {
    .nav-actions .login-btn span {
        display: none;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content h1 {
        font-size: 2rem;
    }
}