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

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    overflow-x: hidden;
}

/* Global Link Styles */
a {
    color: inherit;
    text-decoration: none;
}

/* Navigation Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.2rem;
    text-decoration: none;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo-icon {
    color: #00d4aa;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 400;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
    display: block;
    overflow: hidden;
}

/* Modern Underline Animation */
.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4aa, #00b894);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 2px;
}

.nav-menu a:hover::before {
    width: 100%;
}

/* Glowing Text Effect */
.nav-menu a:hover {
    color: #00d4aa;
    transform: translateY(-1px);
}

/* Background Slide Animation */
.nav-menu a::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.1), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.nav-menu a:hover::after {
    left: 100%;
}

/* Active State */
.nav-menu a.active {
    color: #00d4aa;
}

.contact-btn {
    color: #00d4aa !important;
    padding: 0.45rem 1.2rem;
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border: none;
    background: transparent;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    background: transparent !important;
    color: #00d4aa !important;
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.hamburger:hover {
    transform: scale(1.1);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 2px;
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
    background: #00d4aa;
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
    background: #00d4aa;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Video Background */
.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(10, 10, 10, 0.6) 0%,
        rgba(0, 212, 170, 0.1) 30%,
        rgba(10, 10, 10, 0.4) 70%,
        rgba(10, 10, 10, 0.8) 100%
    );
    z-index: 2;
}

.hero-content {
    text-align: center;
    z-index: 10;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    color: #00d4aa;
    text-shadow: 
        0 0 5px rgba(0, 212, 170, 0.5),
        0 0 10px rgba(0, 212, 170, 0.3),
        0 0 15px rgba(0, 212, 170, 0.2);
    animation: subtitleGlow 2s ease-in-out infinite alternate;
    min-height: 1.5rem;
}

.cta-button {
    background: #00d4aa;
    color: #0a0a0a;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    background: #00b894;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
    text-decoration: none;
}

/* Animated Background */
.animated-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
    color: #00d4aa;
}

.floating-icon:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.floating-icon:nth-child(2) { top: 30%; right: 15%; animation-delay: 1s; }
.floating-icon:nth-child(3) { top: 60%; left: 20%; animation-delay: 2s; }
.floating-icon:nth-child(4) { bottom: 30%; right: 20%; animation-delay: 3s; }
.floating-icon:nth-child(5) { top: 15%; left: 50%; animation-delay: 4s; }
.floating-icon:nth-child(6) { bottom: 20%; left: 30%; animation-delay: 5s; }
.floating-icon:nth-child(7) { top: 40%; right: 30%; animation-delay: 1.5s; }
.floating-icon:nth-child(8) { bottom: 40%; left: 60%; animation-delay: 2.5s; }
.floating-icon:nth-child(9) { top: 70%; right: 10%; animation-delay: 3.5s; }
.floating-icon:nth-child(10) { bottom: 60%; right: 40%; animation-delay: 4.5s; }

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.8;
    }
}

/* Connection Lines */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        padding: 2rem 0;
        border-top: 1px solid rgba(0, 212, 170, 0.2);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 0.5rem 0;
        opacity: 0;
        transform: translateX(-20px);
        animation: slideInLeft 0.3s ease forwards;
    }
    
    .nav-menu.active li:nth-child(1) { animation-delay: 0.1s; }
    .nav-menu.active li:nth-child(2) { animation-delay: 0.2s; }
    .nav-menu.active li:nth-child(3) { animation-delay: 0.3s; }
    .nav-menu.active li:nth-child(4) { animation-delay: 0.4s; }
    .nav-menu.active li:nth-child(5) { animation-delay: 0.5s; }
    .nav-menu.active li:nth-child(6) { animation-delay: 0.6s; }
    
    .nav-menu a {
        padding: 1rem 0;
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .floating-icon {
        font-size: 1.5rem;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .hero-video {
        opacity: 0.2;
    }

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

    .footer-section .social-links {
        justify-content: center;
    }

    .footer-section ul {
        text-align: center;
    }
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Additional animations */
.hero-content {
    animation: fadeInUp 1s ease-out;
}

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

@keyframes subtitleGlow {
    from {
        text-shadow: 
            0 0 5px rgba(0, 212, 170, 0.5),
            0 0 10px rgba(0, 212, 170, 0.3),
            0 0 15px rgba(0, 212, 170, 0.2);
    }
    to {
        text-shadow: 
            0 0 10px rgba(0, 212, 170, 0.8),
            0 0 20px rgba(0, 212, 170, 0.5),
            0 0 30px rgba(0, 212, 170, 0.3);
    }
}

/* Particle effect */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 0.8;
    }
}

/* ===================================
   COMMON FOOTER STYLES
   =================================== */

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

.footer-section h4 {
    color: #00d4aa;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    color: #888;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #888;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #00d4aa;
}

.footer-section .social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-section .social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #888;
    text-decoration: none;
    transition: all 0.3s ease;
    background: transparent;
    padding: 0;
}

.footer-section .social-link svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

.footer-section .social-link:hover {
    background: transparent;
    transform: translateY(-3px) scale(1.1);
}

.footer-section .social-link.facebook:hover {
    color: #1877f2;
}

.footer-section .social-link.linkedin:hover {
    color: #0077b5;
}

.footer-section .social-link.instagram:hover {
    color: #e4405f;
}

.footer-section .social-link.telegram:hover {
    color: #0088cc;
}

/* ===================================
   COMMON GRADIENT & BUTTON STYLES
   =================================== */

/* Gradient Text for Titles */
.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Primary Gradient Button */
.btn-gradient {
    background: linear-gradient(135deg, #00d4aa 0%, #00b894 100%);
    color: #0a0a0a;
    border: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-gradient:hover {
    background: linear-gradient(135deg, #00b894 0%, #009d7a 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
    text-decoration: none;
}

/* Glass Card Style */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 170, 0.3);
    box-shadow: 0 20px 40px rgba(0, 212, 170, 0.1);
}

/* CTA Button Styles */
.cta-button {
    background: linear-gradient(135deg, #00d4aa 0%, #00b894 100%);
    color: #0a0a0a;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    background: linear-gradient(135deg, #00b894 0%, #009d7a 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
    text-decoration: none;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, #00d4aa 0%, #00b894 100%);
    color: #0a0a0a;
    border: 2px solid #00d4aa;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0, 212, 170, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #00b894 0%, #009d7a 100%);
    color: #0a0a0a;
    border-color: #00b894;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(0, 212, 170, 0.4);
    transform: translateY(-2px);
}

/* Secondary Button */
.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: #ffffff;
    text-decoration: none;
    transform: translateY(-2px);
}

/* ===================================
   COMMON FOOTER STYLES
   =================================== */

.about-footer,
.courses-footer,
.contact-footer,
.disclaimer-main-footer {
    background: #0a0a0a;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 1rem 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #666;
}

.made-with-love {
    color: #00d4aa !important;
    font-weight: 500;
    margin-top: 1rem !important;
}