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

body {
    font-family: 'Inter', sans-serif;
    background: #06072d;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* Navigation Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #06072d;
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 10px 0;
    transition: all 0.3s ease;
}

.nav-container {
    width: 100%;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 15% 60% 25%;
    align-items: center;
    gap: 1rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    justify-self: start;
    cursor: pointer;
    padding-left: 1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-logo:hover {
    transform: translateY(-2px);
}

.logo-image {
    height: 50px;
    width: auto;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.nav-logo:hover .logo-image {
    transform: scale(1.15) translateY(-3px);
    filter: 
        drop-shadow(0 0 25px rgba(79, 156, 249, 0.7))
        drop-shadow(0 0 50px rgba(79, 156, 249, 0.4))
        drop-shadow(0 0 75px rgba(79, 156, 249, 0.2));
}

.logo-text {
    font-family: 'Inter', sans-serif;
    font-size: 24px;
    font-weight: 500;
    color: #ffffff;
    margin-left: 12px;
    letter-spacing: 0.5px;
    text-transform: lowercase;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-logo:hover .logo-text {
    color: #4f9cf9;
    transform: translateY(-2px);
    text-shadow: 
        0 0 20px rgba(79, 156, 249, 0.6),
        0 0 40px rgba(79, 156, 249, 0.3),
        0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 4rem;
    margin: 0;
    padding: 0;
    justify-self: center;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 16px;
    letter-spacing: 0.3px;
    text-transform: none;
    padding: 12px 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #4f9cf9;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover {
    color: #4f9cf9;
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link.active {
    color: #4f9cf9;
}

.nav-link.active::after {
    width: 80%;
}

.nav-auth {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-self: end;
    padding-right: 2rem;
}

.btn-login, .btn-signup {
    padding: 8px 20px;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    font-size: 14px;
}

.btn-login {
    background: #4f9cf9;
    color: #ffffff;
}

.btn-login:hover {
    background: #3a8ce8;
    transform: translateY(-2px);
}

.btn-signup {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: #ffffff;
}

.btn-signup:hover {
    background: linear-gradient(135deg, #e55a2b, #e0841a);
    transform: translateY(-2px);
}

/* Mobile Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    position: absolute;
    top: 50%;
    right: 2rem;
    transform: translateY(-50%);
    z-index: 1001;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}
.hamburger.active .bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Overlay */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 50px;
    left: 0;
    right: 0;
    background: #06072d;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 1000;
}

.mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-links {
    list-style: none;
    margin: 0;
    padding: 1rem 0;
}

.mobile-links li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-links .nav-link {
    display: block;
    padding: 1rem 1.5rem;
    color: #ffffff;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 16px;
    letter-spacing: 0.3px;
    text-transform: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.mobile-links .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #4f9cf9;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.mobile-links .nav-link:hover {
    color: #4f9cf9;
}

.mobile-links .nav-link:hover::after {
    width: 80%;
}

.mobile-links .nav-link.active {
    color: #4f9cf9;
}

.mobile-links .nav-link.active::after {
    width: 80%;
}

.mobile-auth {
    display: flex;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid #2a2a2a;
}

.mobile-auth .btn-login,
.mobile-auth .btn-signup {
    flex: 1;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 1.5rem;
        grid-template-columns: 15% 70% 15%;
    }
    
    .nav-menu {
        gap: 3rem;
    }
    
    .nav-link {
        padding: 10px 14px;
        font-size: 15px;
        letter-spacing: 0.2px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
        grid-template-columns: 1fr auto;
    }
    
    .nav-menu { 
        display: none; 
    }
    
    .nav-auth {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 0.75rem;
    }
    
    .logo-image {
        height: 38px;
    }
    
    .logo-text {
        font-size: 18px;
        margin-left: 8px;
    }
    
    .hamburger {
        right: 12px;
        padding: 6px;
    }
    
    .bar {
        width: 22px;
        height: 2px;
    }
}

@media (max-width: 360px) {
    .nav-container {
        padding: 0 0.5rem;
        gap: 0.5rem;
    }
    
    .logo-image {
        height: 35px;
    }
    
    .logo-text {
        font-size: 16px;
        margin-left: 6px;
    }
    
    .hamburger {
        right: 8px;
        padding: 4px;
    }
    
    .bar {
        width: 20px;
    }
}

/* Button Styles */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-login {
    background: #4f9cf9;
    color: #ffffff;
}

.btn-login:hover {
    background: #3a8ce8;
    transform: translateY(-2px);
}

.btn-signup {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: #ffffff;
}

.btn-signup:hover {
    background: linear-gradient(135deg, #e55a2b, #e0841a);
    transform: translateY(-2px);
}

.btn-primary {
    background: #4f9cf9;
    color: #ffffff;
    font-size: 16px;
    padding: 12px 30px;
    border-radius: 25px;
}

.btn-primary:hover {
    background: #3a8ce8;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 100px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.hero-description {
    font-size: 18px;
    color: #b8c5d6;
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Hero Visual */
.hero-visual {
    flex: 0 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-left: 40px;
}

.hero-video {
    width: 100%;
    max-width: 600px;
    height: auto;
    object-fit: cover;
    display: block;
    margin: 0 auto;
    position: relative;
    background: #06072d;
}

/* Mobile Video Responsive Styles */
@media (max-width: 1024px) {
    .hero-video {
        max-width: 500px;
        margin: 0 auto 20px auto;
    }
}

@media (max-width: 768px) {
    .hero-video {
        max-width: 100%;
        width: 90%;
        margin: 0 auto 30px auto;
        height: auto;
        object-fit: contain;
    }
    
    .hero-visual {
        margin-left: 0;
        order: 2;
    }
}

@media (max-width: 480px) {
    .hero-video {
        width: 95%;
        height: auto;
        margin: 0 auto 25px auto;
        object-fit: contain;
    }
}

@media (max-width: 360px) {
    .hero-video {
        width: 98%;
        height: auto;
        margin: 0 auto 20px auto;
        object-fit: contain;
    }
}

.hero-video::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
}

.hero-video::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #06072d;
    opacity: 0.2;
    pointer-events: none;
    z-index: 2;
}

/* Hero Animation Styles */
.fullscreen-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.fullscreen-svg {
    width: 100%;
    max-width: 1920px;
    height: auto;
}

.airplane {
    width: 60px;
    height: 60px;
    transform-box: fill-box;
    transform-origin: center;
    opacity: 1;
    transition: all 0.1s ease;
    filter: contrast(1.2) brightness(1.1) saturate(1.3);
}

#flightPath {
    stroke-dasharray: 1500;
    stroke-dashoffset: 1500;
}

/* Responsive Full Screen Animation */
@media (max-width: 768px) {
    .fullscreen-animation {
        align-items: flex-start;
        padding-top: 200px;
    }
    
    .fullscreen-svg {
        width: 100%;
        max-width: 1200px;
    }
    
    #flightPath {
        stroke-width: 3px;
        filter: drop-shadow(0 0 8px rgba(79, 156, 249, 0.6));
    }
    
    .airplane {
        filter: contrast(1.4) brightness(1.2) saturate(1.5);
    }
}

@media (max-width: 480px) {
    .fullscreen-animation {
        align-items: flex-start;
        padding-top: 180px;
    }
    
    .fullscreen-svg {
        width: 100%;
        max-width: 1000px;
    }
    
    #flightPath {
        stroke-width: 4px;
        filter: drop-shadow(0 0 10px rgba(79, 156, 249, 0.7));
    }
    
    .airplane {
        filter: contrast(1.5) brightness(1.3) saturate(1.6);
    }
}

@media (max-width: 360px) {
    .fullscreen-animation {
        align-items: flex-start;
        padding-top: 160px;
    }
    
    .fullscreen-svg {
        width: 100%;
        max-width: 800px;
    }
    
    #flightPath {
        stroke-width: 5px;
        filter: drop-shadow(0 0 12px rgba(79, 156, 249, 0.8));
    }
    
    .airplane {
        filter: contrast(1.6) brightness(1.4) saturate(1.7);
    }
}



/* Courses Section */
.courses {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.course-card {
    background: transparent;
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-visual {
    height: 200px;
    position: relative;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.card-blue {
    background: linear-gradient(135deg, #60a5fa, #1e40af);
}

.card-blue .diagonal-line-1,
.card-blue .diagonal-line-2,
.card-blue .diagonal-line-3 {
    background: rgba(96, 165, 250, 0.95);
}

.card-blue .card-triangle {
    background: rgba(96, 165, 250, 0.95);
}

.card-orange {
    background: linear-gradient(135deg, #fb923c, #ea580c);
}

.card-orange .diagonal-line-1,
.card-orange .diagonal-line-2,
.card-orange .diagonal-line-3 {
    background: rgba(251, 146, 60, 0.95);
}

.card-orange .card-triangle {
    background: rgba(251, 146, 60, 0.95);
}

.card-purple {
    background: linear-gradient(135deg, #a78bfa, #6b21a8);
}

.card-purple .diagonal-line-1,
.card-purple .diagonal-line-2,
.card-purple .diagonal-line-3 {
    background: rgba(167, 139, 250, 0.95);
}

.card-purple .card-triangle {
    background: rgba(167, 139, 250, 0.95);
}

.diagonal-lines {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 200px;
    height: 200px;
}

.diagonal-line-1,
.diagonal-line-2,
.diagonal-line-3 {
    position: absolute;
    border-radius: 20px;
    width: 40px;
    height: 160px;
    transform: translateX(-150px) translateY(-80px);
    transform-origin: left center;
    opacity: 0;
    animation: slideInDiagonal 1s ease-out forwards, pulseBars 3s ease-in-out infinite, repeatEntrance 5s infinite;
}

.diagonal-line-1 {
    top: 20px;
    left: 20px;
    animation-delay: 0.2s;
}

.diagonal-line-2 {
    top: 100px;
    left: 20px;
    animation-delay: 0.4s;
}

.diagonal-line-3 {
    top: 180px;
    left: 20px;
    animation-delay: 0.6s;
}

@keyframes slideInDiagonal {
    0% {
        transform: translateX(-150px) translateY(-80px) rotate(0deg);
        opacity: 0;
    }
    30% {
        transform: translateX(-100px) translateY(-50px) rotate(18deg);
        opacity: 0.3;
    }
    70% {
        transform: translateX(-30px) translateY(-15px) rotate(32deg);
        opacity: 0.7;
    }
    100% {
        transform: translateX(0) translateY(0) rotate(36deg);
        opacity: 1;
    }
}

@keyframes slideInFromLeft {
    0% {
        transform: translate(-50%, -50%) rotate(45deg) translateX(-100px) translateY(50px);
        opacity: 0;
    }
    40% {
        transform: translate(-50%, -50%) rotate(45deg) translateX(-50px) translateY(25px);
        opacity: 0.5;
    }
    80% {
        transform: translate(-50%, -50%) rotate(45deg) translateX(-10px) translateY(5px);
        opacity: 0.8;
    }
    100% {
        transform: translate(-50%, -50%) rotate(45deg) translateX(0) translateY(0);
        opacity: 1;
    }
}

@keyframes pulseBars {
    0%, 100% {
        opacity: 0.95;
        transform: translateX(0) translateY(0) rotate(36deg) scale(1);
    }
    25% {
        opacity: 0.8;
        transform: translateX(0) translateY(0) rotate(36deg) scale(1.02);
    }
    50% {
        opacity: 0.6;
        transform: translateX(0) translateY(0) rotate(36deg) scale(1.08);
    }
    75% {
        opacity: 0.8;
        transform: translateX(0) translateY(0) rotate(36deg) scale(1.02);
    }
}

@keyframes pulseTriangle {
    0%, 100% {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(45deg) translateX(0) translateY(0) scale(1);
    }
    25% {
        opacity: 0.9;
        transform: translate(-50%, -50%) rotate(45deg) translateX(0) translateY(0) scale(1.05);
    }
    50% {
        opacity: 0.7;
        transform: translate(-50%, -50%) rotate(45deg) translateX(0) translateY(0) scale(1.15);
    }
    75% {
        opacity: 0.9;
        transform: translate(-50%, -50%) rotate(45deg) translateX(0) translateY(0) scale(1.05);
    }
}

@keyframes repeatEntrance {
    0%, 80% {
        opacity: 0.95;
        transform: translateX(0) translateY(0) rotate(36deg) scale(1);
    }
    85% {
        opacity: 0;
        transform: translateX(-150px) translateY(-80px) rotate(0deg) scale(0.8);
    }
    90% {
        opacity: 0.3;
        transform: translateX(-100px) translateY(-50px) rotate(18deg) scale(0.9);
    }
    95% {
        opacity: 0.7;
        transform: translateX(-30px) translateY(-15px) rotate(32deg) scale(1);
    }
    100% {
        opacity: 0.95;
        transform: translateX(0) translateY(0) rotate(36deg) scale(1);
    }
}

@keyframes repeatTriangleEntrance {
    0%, 80% {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(45deg) translateX(0) translateY(0) scale(1);
    }
    85% {
        opacity: 0;
        transform: translate(-50%, -50%) rotate(45deg) translateX(-100px) translateY(50px) scale(0.8);
    }
    90% {
        opacity: 0.5;
        transform: translate(-50%, -50%) rotate(45deg) translateX(-50px) translateY(25px) scale(0.9);
    }
    95% {
        opacity: 0.8;
        transform: translate(-50%, -50%) rotate(45deg) translateX(-10px) translateY(5px) scale(1);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(45deg) translateX(0) translateY(0) scale(1);
    }
}





.card-triangle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    background: inherit;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    border-radius: 8px 8px 0 0;
    transform: translate(-50%, -50%) rotate(45deg) translateX(-100px) translateY(50px);
    transform-origin: center;
    opacity: 0;
    animation: slideInFromLeft 1s ease-out forwards, pulseTriangle 3s ease-in-out infinite, repeatTriangleEntrance 5s infinite;
    animation-delay: 1.2s;
}

.card-content {
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0 0 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.card-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #ffffff;
    text-align: left;
}

.card-description {
    color: #b8c5d6;
    line-height: 1.6;
    font-size: 16px;
    font-weight: 400;
    text-align: left;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: transparent;
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}

.contact-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 10px;
}

.contact-subtitle {
    font-size: 24px;
    font-weight: 600;
    color: #b8c5d6;
    margin-bottom: 30px;
}

.contact-details p {
    margin-bottom: 15px;
    color: #b8c5d6;
}

/* Form Styles */
.form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-input {
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-input::placeholder {
    color: #b8c5d6;
}

.form-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    border-color: #4f9cf9;
    box-shadow: 0 0 0 2px rgba(79, 156, 249, 0.2);
}

.full-width {
    width: 100%;
}

.half-width {
    width: calc(50% - 10px);
    display: inline-block;
}

.half-width:first-of-type {
    margin-right: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.third-width {
    width: calc(33.333% - 14px);
    display: inline-block;
}

.textarea {
    min-height: 120px;
    resize: vertical;
}

.disclaimer {
    font-size: 12px;
    color: #8b9caf;
    margin-top: 20px;
    line-height: 1.4;
    text-align: center;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: #16142d;
    margin: 5% auto;
    padding: 40px;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.close {
    color: #ffffff;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: 15px;
    right: 20px;
    transition: color 0.3s ease;
}

.close:hover {
    color: #4f9cf9;
}

.modal h2 {
    color: #ffffff;
    text-align: center;
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: 700;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    border-color: #4f9cf9;
    box-shadow: 0 0 0 2px rgba(79, 156, 249, 0.2);
}

.form-group input::placeholder {
    color: #b8c5d6;
}

.modal-switch {
    text-align: center;
    margin-top: 20px;
    color: #b8c5d6;
}

.modal-switch a {
    color: #4f9cf9;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.modal-switch a:hover {
    color: #3a8ce8;
}

/* Notification Animations */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links {
    display: flex;
    justify-content: flex-end;
    gap: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    text-decoration: none;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #4f9cf9, #3a8ce8);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.social-link:hover {
    transform: translateY(-3px) scale(1.05);
    border-color: #4f9cf9;
    box-shadow: 0 10px 25px rgba(79, 156, 249, 0.3);
}

.social-link:hover::before {
    opacity: 1;
}

.social-link svg {
    transition: all 0.3s ease;
    z-index: 1;
}

.social-link:hover svg {
    transform: scale(1.1);
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.3));
}

/* Individual social platform colors */
.social-link.facebook:hover {
    box-shadow: 0 10px 25px rgba(24, 119, 242, 0.3);
}

.social-link.instagram:hover {
    box-shadow: 0 10px 25px rgba(225, 48, 108, 0.3);
}

.social-link.twitter:hover {
    box-shadow: 0 10px 25px rgba(29, 161, 242, 0.3);
}

.social-link.linkedin:hover {
    box-shadow: 0 10px 25px rgba(0, 119, 181, 0.3);
}

/* Subtle floating animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-2px);
    }
}

.social-link {
    animation: float 3s ease-in-out infinite;
}

.social-link:nth-child(1) { animation-delay: 0s; }
.social-link:nth-child(2) { animation-delay: 0.5s; }
.social-link:nth-child(3) { animation-delay: 1s; }
.social-link:nth-child(4) { animation-delay: 1.5s; }

/* Pulse animation on hover */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 156, 249, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(79, 156, 249, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(79, 156, 249, 0);
    }
}

.social-link:active {
    animation: pulse 0.6s;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 16px;
        padding: 0 20px;
        line-height: 1.5;
    }
    
    .hero-visual {
        order: 2;
        margin-left: 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .half-width {
        width: 100%;
        margin-right: 0;
    }
    
    .form-row {
        flex-direction: column;
        gap: 20px;
    }
    
    .third-width {
        width: 100%;
    }
    
    .nav-list {
        display: none;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 28px;
        line-height: 1.15;
    }
    
    .hero-description {
        font-size: 15px;
        padding: 0 15px;
    }
    
    .hero-video {
        padding-top: 5px;
        margin-bottom: 20px;
    }
    
    .courses {
        padding: 50px 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 70px 0 30px;
    }
    
    .hero-title {
        font-size: 24px;
        line-height: 1.1;
        margin-bottom: 15px;
    }
    
    .hero-description {
        font-size: 14px;
        padding: 0 20px;
        margin-bottom: 25px;
        line-height: 1.4;
    }
    
    .hero-video {
        padding-top: 5px;
        margin-bottom: 20px;
    }
    
    .courses {
        padding: 40px 0;
    }
    
    .contact-title {
        font-size: 36px;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 360px) {
    .hero {
        padding: 60px 0 20px;
    }
    
    .hero-title {
        font-size: 20px;
        line-height: 1.0;
        margin-bottom: 12px;
        letter-spacing: -0.5px;
    }
    
    .hero-description {
        font-size: 12px;
        padding: 0 15px;
        margin-bottom: 20px;
        line-height: 1.3;
    }
    
    .hero-video {
        padding-top: 5px;
        margin-bottom: 10px;
    }
    
    .courses {
        padding: 30px 0;
    }
    
    .contact-title {
        font-size: 32px;
    }
    
    .container {
        padding: 0 10px;
    }
}