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

 :root {
    --primary-color: #35D1D1;
    --secondary-color: #FFFFFF;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --bg-light: #f8f9fa;
    --bg-dark: #0a0a0a;
    --border-color: #e0e0e0;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--secondary-color);
    line-height: 1.6;
    overflow-x: hidden;
}


/* Top Bar */

.top-bar {
    background: var(--bg-dark);
    color: white;
    padding: 0.8rem 0;
    font-size: 0.9rem;
}

.top-bar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: 2rem;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #ccc;
}

.top-bar-item i {
    color: var(--primary-color);
}

.top-bar-right {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: #ccc;
    font-size: 1rem;
    transition: color 0.3s ease;
    text-decoration: none;
}

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


/* Navigation */

.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), #2bb8b8);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 1.3rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1;
}

.logo-tagline {
    font-size: 0.7rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary-color);
    color: white !important;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 700;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: #2bb8b8;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(53, 209, 209, 0.4);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: 0.3s;
}


/* Page Header */

.page-header {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a1a 100%);
    color: white;
    padding: 6rem 2rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(53, 209, 209, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

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

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.breadcrumb a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb span {
    color: var(--primary-color);
}

.breadcrumb i {
    color: #666;
    font-size: 0.7rem;
}

.page-header h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.page-header h1 span {
    color: var(--primary-color);
}

.page-header p {
    font-size: 1.3rem;
    color: #ccc;
    line-height: 1.8;
}


/* Stats Section */

.stats-section {
    padding: 4rem 2rem;
    background: white;
    margin-top: -3rem;
    position: relative;
    z-index: 10;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

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

.stat-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(53, 209, 209, 0.2);
}

.stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), #2bb8b8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
}

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


/* Featured Testimonial */

.featured-section {
    padding: 6rem 2rem;
    background: var(--bg-light);
}

.featured-testimonial {
    max-width: 1000px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--primary-color), #2bb8b8);
    border-radius: 24px;
    padding: 4rem;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(53, 209, 209, 0.3);
}

.featured-testimonial::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.featured-content {
    position: relative;
    z-index: 1;
}

.quote-icon {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: 1.5rem;
}

.featured-quote {
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    font-style: italic;
}

.featured-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.featured-avatar {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    border: 3px solid white;
}

.featured-author-info h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.3rem;
}

.featured-author-role {
    opacity: 0.9;
    font-size: 1.1rem;
}

.featured-rating {
    margin-top: 2rem;
    font-size: 2rem;
}

.featured-rating i {
    color: #FFD700;
    margin: 0 0.2rem;
}


/* Testimonials Grid */

.testimonials-section {
    padding: 6rem 2rem;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: rgba(53, 209, 209, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-header h2 span {
    color: var(--primary-color);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 30px;
    font-size: 8rem;
    color: var(--primary-color);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(53, 209, 209, 0.2);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), #2bb8b8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.testimonial-author h4 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 0.3rem;
}

.testimonial-role {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.testimonial-rating {
    margin-bottom: 1.5rem;
}

.testimonial-rating i {
    color: #FFD700;
    font-size: 1.1rem;
    margin-right: 0.2rem;
}

.testimonial-text {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.testimonial-project {
    background: var(--bg-light);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 600;
}

.testimonial-project i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}


/* Video Testimonials */

.video-section {
    padding: 6rem 2rem;
    background: var(--bg-light);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.video-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(53, 209, 209, 0.2);
}

.video-thumbnail {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, var(--primary-color), #2bb8b8);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.play-button i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-left: 5px;
}

.video-thumbnail:hover .play-button {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-info {
    padding: 2rem;
}

.video-info h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.video-meta {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.video-duration {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-light);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-color);
}


/* CTA Section */

.cta-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2bb8b8 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before,
.cta-section::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-section::before {
    top: -250px;
    left: -250px;
}

.cta-section::after {
    bottom: -250px;
    right: -250px;
}

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

.cta-content h2 {
    font-size: 3.2rem;
    font-weight: 900;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.cta-content p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.cta-button {
    background: white;
    color: var(--primary-color);
    padding: 1.3rem 3.5rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}


/* Footer */

.footer {
    background: var(--bg-dark);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-about h3 {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-tagline {
    color: #999;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.footer-about p {
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-section h4 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-links i {
    font-size: 0.8rem;
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #999;
}

.footer-copyright {
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

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


/* Responsive */

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .video-grid {
        grid-template-columns: 1fr;
    }
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
    .nav-links {
        position: fixed;
        left: -100%;
        top: 75px;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 2rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        transition: left 0.3s ease;
        gap: 1.5rem;
        align-items: flex-start;
    }
    .nav-links.active {
        left: 0;
    }
    .mobile-toggle {
        display: flex;
    }
    .page-header h1 {
        font-size: 2.5rem;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .featured-testimonial {
        padding: 2.5rem;
    }
    .featured-quote {
        font-size: 1.4rem;
    }
    .section-header h2 {
        font-size: 2.2rem;
    }
    .cta-content h2 {
        font-size: 2.2rem;
    }
    .footer-container {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    .video-grid {
        grid-template-columns: 1fr;
    }
}