/* =============== CSS VARIABLES =============== */
:root {
    --primary: #5fadf5;
    --secondary: #e9768f;
    --accent: #73D793;
    --warning: #ffca7c;
    --dark: #1a1a2e;
    --light: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --text: #333333;
    --text-light: #666666;
    
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.08);
    --shadow: 0 5px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    
    --radius: 15px;
    --radius-lg: 25px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============== RESET & BASE =============== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* =============== NAVIGATION =============== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--white);
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    width: 45px;
    height: 45px;
    border-radius: 10px;
}

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

.logo-main {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--text-light);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    position: relative;
    font-weight: 500;
    color: var(--text);
    transition: var(--transition);
    padding: 0.5rem 0;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* =============== HERO SECTION =============== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

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

.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
}

.bg-shape-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-1);
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.bg-shape-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-2);
    bottom: -150px;
    left: -150px;
    animation: float 15s ease-in-out infinite reverse;
}

.bg-shape-3 {
    width: 300px;
    height: 300px;
    background: var(--gradient-3);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: calc(100vh - 80px);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(95, 173, 245, 0.1);
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 0.9rem;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    display: block;
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.hero-main {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.hero-desc {
    display: block;
    font-size: 1.5rem;
    color: var(--text);
    font-weight: 600;
}

.hero-text {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 5px 20px rgba(95, 173, 245, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(95, 173, 245, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-light {
    background: rgba(255, 255, 255, 0.9);
    color: var(--dark);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
}

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

.hero-features {
    display: flex;
    gap: 2rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(95, 173, 245, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
}

.feature-info strong {
    display: block;
    font-size: 1.5rem;
    color: var(--dark);
}

.feature-info span {
    font-size: 0.9rem;
    color: var(--text-light);
}

.hero-visual {
    position: relative;
}

.hero-image {
    position: relative;
    animation: floatImage 3s ease-in-out infinite;
}

@keyframes floatImage {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-decoration {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
}

.hero-decoration-1 {
    width: 100px;
    height: 100px;
    top: -20px;
    left: -20px;
    animation: pulse 3s ease-in-out infinite;
}

.hero-decoration-2 {
    width: 150px;
    height: 150px;
    bottom: -30px;
    right: -30px;
    animation: pulse 3s ease-in-out infinite 1s;
}

/* =============== SECTION STYLES =============== */
section {
    padding: 80px 0;
}

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

.section-tag {
    display: inline-block;
    background: rgba(95, 173, 245, 0.1);
    color: var(--primary);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* =============== ABOUT SECTION =============== */
.about {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-container {
    position: relative;
}

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

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.about-badge i {
    color: var(--warning);
}

.about-intro {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-highlight {
    background: rgba(95, 173, 245, 0.05);
    border-right: 4px solid var(--primary);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.about-highlight i {
    color: var(--primary);
    font-size: 1.5rem;
}

.about-highlight p {
    margin: 0;
    font-weight: 600;
    color: var(--dark);
}

.curricula-preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.curriculum-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.curriculum-item:hover {
    transform: translateX(-5px);
    box-shadow: var(--shadow);
}

.curriculum-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.about-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
}

.about-feature i {
    color: var(--accent);
}

/* =============== IMAGE SLIDER =============== */
.slider-section {
    padding: 0;
    margin: 4rem 0;
}

.slider {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.slider-wrapper {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 3rem;
    color: var(--white);
}

.slide-overlay h3 {
    font-size: 2rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.slider-btn:hover {
    background: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    right: 20px;
}

.slider-btn.next {
    left: 20px;
}

.slider-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--white);
    width: 30px;
    border-radius: 5px;
}

/* =============== ACTIVITIES SECTION =============== */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.activity-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.activity-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.activity-card:hover .activity-image img {
    transform: scale(1.1);
}

.activity-category {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.activity-date {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: var(--white);
    padding: 10px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
}

.activity-date .day {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.activity-date .month {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
}

.activity-content {
    padding: 2rem;
}

.activity-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.activity-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.activity-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

.activity-link:hover {
    gap: 12px;
}

.activities-more {
    text-align: center;
    margin-top: 3rem;
}

/* =============== FEATURED SECTION =============== */
.featured {
    background: var(--light);
    padding: 4rem 0;
}

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

.featured-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.featured-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.featured-card img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
    z-index: 0;
}

.featured-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

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

.featured-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.featured-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.featured-content a {
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

.featured-content a:hover {
    text-decoration: underline;
}

/* =============== SERVICES SECTION =============== */
.services {
    padding: 4rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    position: relative;
    padding: 3rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    color: var(--white);
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.birthday-card {
    background: linear-gradient(135deg, #ff6b95 0%, #ffca7c 100%);
}

.trips-card {
    background: linear-gradient(135deg, #24a7ff 0%, #0066cc 100%);
}

.service-bg {
    position: absolute;
    top: -50px;
    left: -50px;
    font-size: 150px;
    opacity: 0.1;
    transform: rotate(-15deg);
}

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

.service-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.service-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.service-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
}

/* =============== CURRICULA SECTION =============== */
.curricula {
    background: var(--light);
}

.curricula-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.curriculum-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.curriculum-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--card-color);
}

.curriculum-header {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.curriculum-card:hover .curriculum-header img {
    transform: scale(1.1);
}

.curriculum-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--card-color);
    font-size: 1.5rem;
    box-shadow: var(--shadow);
}

.curriculum-body {
    padding: 2rem;
}

.curriculum-body h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.curriculum-body p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.curriculum-features {
    margin-bottom: 1.5rem;
}

.curriculum-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.curriculum-features i {
    color: var(--card-color);
}

.curriculum-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--card-color);
    font-weight: 600;
    transition: var(--transition);
}

.curriculum-link:hover {
    gap: 12px;
}

/* =============== LESSONS SECTION =============== */
.lessons-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.lesson-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

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

.lesson-card.music {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.lesson-card.sports {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

.lesson-card.art {
    background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%);
}

.lesson-icon {
    width: 100px;
    height: 100px;
    margin-bottom: 1.5rem;
}

.lesson-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.lesson-content p {
    color: var(--text);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.lesson-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.8);
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    color: var(--dark);
    transition: var(--transition);
}

.lesson-link:hover {
    background: var(--white);
    transform: translateX(-5px);
}

.lesson-decoration {
    position: absolute;
    bottom: -20px;
    left: -20px;
    font-size: 100px;
    opacity: 0.1;
    transform: rotate(-15deg);
}

/* =============== CONTACT SECTION =============== */
.contact {
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

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

.info-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--white);
    font-size: 1.5rem;
}

.info-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.info-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 400px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.contact-cta {
    background: var(--gradient-primary);
    padding: 3rem;
    border-radius: var(--radius-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--white);
}

.cta-content h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.cta-content p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

/* =============== FOOTER =============== */
.footer {
    background: var(--dark);
    color: var(--white);
}

.footer-top {
    padding: 4rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 50px;
    height: 50px;
    border-radius: 10px;
}

.footer-logo h3 {
    font-size: 1.5rem;
}

.footer-col p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--white);
    padding-right: 5px;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.footer-bottom {
    padding: 2rem 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.7);
}

/* =============== BACK TO TOP =============== */
.back-to-top {
    position: fixed;
    bottom: -50px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 100;
}

.back-to-top.show {
    bottom: 30px;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* =============== RESPONSIVE =============== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        right: -100%;
        top: 0;
        width: 80%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        box-shadow: -5px 0 20px rgba(0,0,0,0.1);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .curricula-preview {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .contact-cta {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}