/* Global Styles */
:root {
    --primary-color: #1a1a1a;
    --secondary-color: #00a8ff;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --dark: #000000;
    --dark-blue: #0a1929;
    --blue-gradient-start: #1e3c72;
    --blue-gradient-end: #2a5298;
    --electric-blue: #00d4ff;
}

/* Password Protection Modal */
.password-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 25, 41, 0.95) 0%, rgba(30, 60, 114, 0.95) 100%);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-in;
}

.password-modal-content {
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    max-width: 450px;
    width: 90%;
    overflow: hidden;
    animation: slideDown 0.4s ease-out;
}

.password-modal-header {
    background: linear-gradient(135deg, var(--blue-gradient-start) 0%, var(--blue-gradient-end) 100%);
    color: var(--white);
    padding: 25px 30px;
    text-align: center;
}

.password-modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.password-modal-header i {
    margin-right: 10px;
    font-size: 1.3rem;
}

.password-modal-body {
    padding: 30px;
}

.password-modal-body p {
    color: var(--text-color);
    margin-bottom: 20px;
    text-align: center;
    font-size: 1rem;
}

.password-modal-body .form-control {
    padding: 12px 15px;
    font-size: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: border-color 0.3s;
}

.password-modal-body .form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 168, 255, 0.25);
    outline: none;
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 8px;
    min-height: 20px;
    text-align: center;
}

.password-modal-body .btn-primary {
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 10px;
}

.password-modal-body .btn-primary i {
    margin-right: 8px;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.password-modal.hidden {
    display: none;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Top Bar */
.top-bar {
    background-color: #000;
    color: var(--white);
    padding: 8px 0;
    font-size: 13px;
}

.contact-info a {
    color: var(--white);
    text-decoration: none;
    margin-right: 25px;
    transition: color 0.3s;
    font-size: 13px;
}

.contact-info a:hover {
    color: var(--secondary-color);
}

.follow-btn {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    transition: background-color 0.3s;
    margin-left: 10px;
}

.follow-btn:hover {
    background-color: #0088cc;
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 0;
    justify-content: flex-end;
}

/* Navigation */
.navbar {
    background-color: rgba(10, 25, 41, 0.95) !important;
    padding: 15px 0;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: 900;
    font-size: 20px;
    color: var(--white) !important;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.logo-performance {
    font-size: 16px;
    position: relative;
}

.logo-performance::before {
    content: '▲';
    color: var(--secondary-color);
    font-size: 10px;
    margin-right: 5px;
}

.logo-vd {
    font-size: 24px;
    position: relative;
}

.logo-vd::before {
    content: '▲';
    color: var(--secondary-color);
    font-size: 10px;
    margin-right: 5px;
}

.nav-link {
    color: var(--white) !important;
    font-weight: 500;
    margin: 0 8px;
    transition: color 0.3s;
    font-size: 14px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color) !important;
}

.nav-link.active {
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 2px;
}

.btn-login {
    background-color: var(--secondary-color) !important;
    color: var(--white) !important;
    padding: 8px 20px !important;
    border-radius: 5px;
    margin-left: 10px;
}

.btn-login:hover {
    background-color: #0088cc !important;
}

.dropdown-menu {
    background-color: var(--dark-blue);
    border: none;
}

.dropdown-item {
    color: var(--white);
}

.dropdown-item:hover {
    background-color: rgba(0, 168, 255, 0.2);
    color: var(--white);
}

/* Hero Section */
.hero-section {
    position: relative;
    color: var(--white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(10, 25, 41, 0.8) 100%);
    z-index: 2;
}

.hero-section .container {
    position: relative;
    z-index: 3;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 3px;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.95;
    animation: fadeInUp 1.2s ease-out;
    max-width: 600px;
}

.btn-hero {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 15px 40px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    margin-bottom: 50px;
}

.btn-hero:hover {
    background-color: #0088cc;
    transform: translateY(-2px);
    color: var(--white);
}

.btn-hero i {
    margin-left: 10px;
}

/* Features Scroll Animation */
.features-scroll {
    margin-top: 30px;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    background-color: rgba(0, 168, 255, 0.2);
    padding: 15px 0;
}

.features-wrapper {
    display: inline-block;
    animation: scroll 30s linear infinite;
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

.features-wrapper span {
    margin: 0 25px;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

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

/* Services Section */
.services-section {
    background-color: var(--white);
    padding: 100px 0;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 60px;
    line-height: 1.2;
}

.service-block {
    margin-bottom: 100px;
}

.service-title-blue {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 30px;
}

.service-image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 30px;
}

.grid-item {
    aspect-ratio: 1;
    background: linear-gradient(135deg, #e0e0e0 0%, #bdbdbd 100%);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.service-main-image {
    width: 100%;
    height: 500px;
    border-radius: 10px;
    overflow: hidden;
}

.service-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.service-description {
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.8;
    color: #555;
}

.service-description-bold {
    font-size: 1.2rem;
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--secondary-color);
}

.service-quote {
    font-style: italic;
    font-size: 1.1rem;
    color: #666;
    border-left: 4px solid var(--secondary-color);
    padding-left: 20px;
    margin: 25px 0;
    line-height: 1.8;
}

.service-author {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 20px;
}

.video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.play-button {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: var(--secondary-color);
    transition: transform 0.3s;
}

.play-button:hover {
    transform: scale(1.1);
}

.btn-primary {
    background-color: var(--secondary-color);
    border: none;
    padding: 12px 30px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.3s, transform 0.3s;
    color: var(--white);
    text-decoration: none;
    display: inline-block;
    border-radius: 5px;
}

.btn-primary:hover {
    background-color: #0088cc;
    transform: translateY(-2px);
    color: var(--white);
}

.btn-primary i {
    margin-left: 8px;
}

/* Mentor Section */
.mentor-section {
    background: linear-gradient(180deg, #1e3c72 0%, #2a5298 50%, #0a1929 100%);
    color: var(--white);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.mentor-main-title {
    font-size: 7rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 0.9;
    letter-spacing: -2px;
}

.mentor-word {
    display: block;
    animation: fadeInUp 0.8s ease-out;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.mentor-word:nth-child(2) {
    animation-delay: 0.2s;
    margin-left: 20px;
}

.mentor-word:nth-child(3) {
    animation-delay: 0.4s;
    margin-left: 40px;
}

.mentor-badge {
    display: inline-block;
    background-color: var(--white);
    color: var(--primary-color);
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.mentor-description {
    font-size: 1.3rem;
    opacity: 0.95;
    margin-bottom: 50px;
    font-weight: 600;
}

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

.mentor-img {
    width: 300px;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    display: inline-block;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.mentor-feature {
    background: rgba(10, 25, 41, 0.8);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s, border-color 0.3s;
    backdrop-filter: blur(10px);
}

.mentor-feature:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
}

.mentor-feature-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-transform: lowercase;
    line-height: 1.3;
}

.mentor-feature-text {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.95;
}

/* Programs Section */
.programs-section {
    background-color: #000;
    padding: 100px 0;
    position: relative;
}

.programs-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 168, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.section-title-white {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 60px;
}

.programs-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.program-item {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
    position: relative;
}

.program-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--secondary-color);
    transform: translateX(10px);
}

.program-icon {
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
}

.program-icon::after {
    content: '→';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
    font-size: 20px;
    font-weight: bold;
}

.program-content {
    flex: 1;
}

.program-title-white {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 10px;
}

.program-subtitle-white {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
}

.program-image {
    width: 200px;
    height: 150px;
    flex-shrink: 0;
}

.program-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

/* Partners Section */
.partners-section {
    background: linear-gradient(180deg, #1e3c72 0%, #2a5298 50%, #0a1929 100%);
    padding: 100px 0;
}

.section-title-white {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 60px;
}

.partner-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.partner-card img {
    max-width: 100%;
    max-height: 150px;
    object-fit: contain;
}

.partner-card h5 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

/* Social Section */
.social-section {
    background-color: var(--white);
    padding: 100px 0;
}

.section-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 15px;
}

.social-card {
    text-align: center;
    transition: transform 0.3s;
    padding: 20px;
}

.social-card:hover {
    transform: translateY(-5px);
}

.social-icon-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 40px;
    color: var(--white);
}

.social-icon-circle.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-icon-circle.tiktok {
    background: linear-gradient(45deg, #000 0%, #ff0050 100%);
}

.social-icon-circle.facebook {
    background: #1877f2;
}

.social-icon-circle.youtube {
    background: #ff0000;
}

.social-platform {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.social-description {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-title {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.footer-subtitle {
    font-size: 1.2rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.footer-contact a {
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
    display: block;
    margin-bottom: 5px;
}

.footer-contact a:hover {
    color: var(--secondary-color);
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.2);
    margin: 50px 0 30px;
}

.footer-section-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--white);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95rem;
}

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

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-bottom a:hover {
    color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .mentor-main-title {
        font-size: 4rem;
    }
    
    .mentor-img {
        width: 200px;
        height: 300px;
    }
    
    .program-item {
        flex-direction: column;
        text-align: center;
    }
    
    .program-image {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-title-white {
        font-size: 2rem;
    }
    
    .mentor-main-title {
        font-size: 3rem;
    }
    
    .service-card {
        padding: 25px;
    }
    
    .top-bar .row {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
        margin-top: 10px;
    }
    
    .contact-info {
        margin-bottom: 10px;
    }
    
    .contact-info a {
        display: block;
        margin: 5px 0;
    }
    
    .service-image-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-main-image {
        height: 300px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.5rem;
        letter-spacing: 1px;
    }
    
    .features-wrapper {
        font-size: 0.85rem;
    }
    
    .mentor-main-title {
        font-size: 2.5rem;
    }
    
    .service-title-blue {
        font-size: 1.5rem;
    }
    
    .program-title-white {
        font-size: 1.4rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-in;
}