/* ===========================
   케빈영상컴퓨터학원 - CSS Styles
   =========================== */

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

:root {
    /* Colors */
    --primary-color: #0066cc;
    --secondary-color: #004c99;
    --accent-color: #0080ff;
    --dark: #001a33;
    --dark-light: #003366;
    --text-dark: #1a1a1a;
    --text-light: #6b7280;
    --white: #ffffff;
    --light-bg: #f0f7ff;
    --gradient-1: linear-gradient(135deg, #0066cc 0%, #004c99 100%);
    --gradient-2: linear-gradient(135deg, #0080ff 0%, #0066cc 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #0066cc 100%);
    --gradient-primary: linear-gradient(135deg, #0066cc 0%, #004c99 100%);
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    
    /* Typography */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.15);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    font-family: var(--font-primary);
}

.logo i {
    font-size: 28px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    padding: 8px 0;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

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

.nav-link.cta-btn {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 25px;
    font-weight: 600;
}

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

.nav-link.cta-btn:hover {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 20px 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 102, 204, 0.95) 0%, 
        rgba(0, 76, 153, 0.95) 50%,
        rgba(0, 128, 255, 0.95) 100%);
}

.video-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    opacity: 0.1;
}

.grid-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.grid-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M8 5v14l11-7z"/></svg>') center/contain no-repeat;
    opacity: 0.3;
    animation: pulse 3s ease-in-out infinite;
}

.grid-item:nth-child(2)::before { animation-delay: 0.5s; }
.grid-item:nth-child(3)::before { animation-delay: 1s; }
.grid-item:nth-child(4)::before { animation-delay: 1.5s; }
.grid-item:nth-child(5)::before { animation-delay: 2s; }
.grid-item:nth-child(6)::before { animation-delay: 2.5s; }

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.6; }
}

.hero-content {
    text-align: center;
    color: var(--white);
    max-width: 900px;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.title-main {
    background: linear-gradient(to right, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    font-size: 36px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: flex;
    gap: 60px;
    justify-content: center;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 900;
    font-family: var(--font-secondary);
    background: linear-gradient(to right, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 5px;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { top: 8px; opacity: 0; }
    50% { top: 20px; opacity: 1; }
}

.arrow span {
    display: block;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    border-right: 2px solid rgba(255, 255, 255, 0.5);
    transform: rotate(45deg);
    animation: arrowDown 2s ease-in-out infinite;
}

.arrow span:nth-child(2) {
    animation-delay: 0.2s;
}

@keyframes arrowDown {
    0%, 100% { opacity: 0; transform: rotate(45deg) translate(-5px, -5px); }
    50% { opacity: 1; transform: rotate(45deg) translate(0, 0); }
}

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

/* ===========================
   Section Styles
   =========================== */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-title {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 15px;
    color: var(--dark);
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-description {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===========================
   About Section
   =========================== */
.about {
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.8), rgba(0, 76, 153, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.image-overlay i {
    font-size: 64px;
    color: var(--white);
}

.image-wrapper:hover .image-overlay {
    opacity: 1;
}

.floating-card {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 15px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.floating-card i {
    font-size: 36px;
    color: var(--primary-color);
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}

.card-subtitle {
    font-size: 14px;
    color: var(--text-light);
}

.about-text h3 {
    font-size: 32px;
    font-weight: 900;
    line-height: 1.4;
    margin-bottom: 20px;
    color: var(--dark);
}

.lead-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 30px;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 15px;
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
}

.feature-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--dark);
}

.feature-content p {
    font-size: 15px;
    color: var(--text-light);
    margin: 0;
}

/* ===========================
   Courses Section
   =========================== */
.courses {
    background: var(--white);
}

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

.course-card {
    background: var(--white);
    border-radius: 20px;
    padding: 0;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-card-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.course-icon {
    width: 100%;
    height: 200px;
    border-radius: 15px 15px 0 0;
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
}

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

.course-card:hover .course-icon img {
    transform: scale(1.1);
}

.course-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
    box-shadow: var(--shadow-md);
}

.course-badge-beginner {
    background: linear-gradient(135deg, #0080ff 0%, #0066cc 100%);
}

.course-badge-advanced {
    background: linear-gradient(135deg, #004c99 0%, #0066cc 100%);
}

.course-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark);
    line-height: 1.4;
    min-height: 66px;
}

.course-description {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 25px;
    flex: 1;
}

.course-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: 12px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-dark);
}

.info-item i {
    color: var(--primary-color);
    width: 18px;
}

.course-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 25px;
}

.tag {
    background: rgba(0, 102, 204, 0.1);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.course-btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 14px;
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition);
    margin-top: auto;
}

.course-btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

/* ===========================
   Features Section
   =========================== */
.features {
    background: var(--light-bg);
}

.feature-block {
    margin-bottom: 60px;
}

.feature-block:last-of-type {
    margin-bottom: 40px;
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
}

.feature-icon-large {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
    flex-shrink: 0;
}

.feature-header h3 {
    font-size: 32px;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 5px;
}

.feature-header p {
    font-size: 16px;
    color: var(--text-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.9), rgba(0, 76, 153, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-overlay i {
    font-size: 36px;
    color: var(--white);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.features-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: var(--white);
    padding: 35px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-card-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--white);
    margin: 0 auto 20px;
}

.feature-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===========================
   Location Section
   =========================== */
.location {
    background: var(--white);
}

.location-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.location-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-box {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--light-bg);
    border-radius: 15px;
    transition: var(--transition);
}

.info-box:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.info-text h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.info-text p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.location-map {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    min-height: 500px;
    background: linear-gradient(135deg, #0066cc 0%, #004c99 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    padding: 40px;
}

.map-placeholder i {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.map-placeholder p {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
}

.map-placeholder span {
    font-size: 14px;
    opacity: 0.8;
}

/* ===========================
   Contact Section
   =========================== */
.contact {
    background: var(--light-bg);
}

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

.contact-content h2 {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--dark);
}

.contact-content p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.7;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-dark);
}

.contact-feature i {
    color: var(--primary-color);
    font-size: 18px;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--dark);
    font-size: 15px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 15px;
    font-family: var(--font-primary);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-logo i {
    font-size: 28px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

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

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

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.contact-info i {
    color: var(--primary-color);
    margin-top: 3px;
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-light);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

/* ===========================
   Scroll to Top Button
   =========================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

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

/* ===========================
   Responsive Design
   =========================== */

/* Tablet */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--dark);
        flex-direction: column;
        padding: 40px;
        transition: var(--transition);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .title-sub {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .floating-card {
        bottom: 20px;
        right: 20px;
    }
    
    .courses-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .location-content {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .hero {
        padding: 100px 20px 60px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .title-sub {
        font-size: 22px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .about-text h3 {
        font-size: 26px;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .features-cards {
        grid-template-columns: 1fr;
    }
    
    .feature-header {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-header h3 {
        font-size: 26px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo span {
        font-size: 16px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .title-sub {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .contact-content h2 {
        font-size: 32px;
    }
    
    .contact-form-wrapper {
        padding: 25px;
    }
}