/* ============================================
   LingoVerse Academy - Design System
   Modern Language Learning Center
   Color: Ocean Blue + Soft Mint + Graphite
   ============================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* ---- CSS Variables ---- */
:root {
    /* Primary Colors */
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #3B82F6;
    --primary-lightest: #DBEAFE;
    --primary-rgb: 37, 99, 235;

    /* Accent Colors */
    --accent: #34D399;
    --accent-dark: #10B981;
    --accent-light: #6EE7B7;
    --accent-lightest: #D1FAE5;
    --accent-rgb: 52, 211, 153;

    /* Dark */
    --dark: #111827;
    --dark-light: #1F2937;
    --dark-lighter: #374151;

    /* Backgrounds */
    --bg-white: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-light: #F1F5F9;
    --bg-card: #FFFFFF;

    /* Text */
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --text-light: #FFFFFF;

    /* Functional */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;

    /* Borders & Shadows */
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px -3px rgba(37, 99, 235, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 40px -5px rgba(37, 99, 235, 0.12);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 12px 36px rgba(37, 99, 235, 0.15);

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-cubic: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

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

/* ---- Container ---- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

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

.section-alt {
    background-color: var(--bg-alt);
}

.section-dark {
    background-color: var(--dark);
    color: var(--text-light);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.75);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header .section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-lightest);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-light);
    box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.35);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(var(--primary-rgb), 0.45);
}

.btn-accent {
    background: var(--accent);
    color: var(--dark);
    box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.35);
}

.btn-accent:hover {
    background: var(--accent-dark);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(var(--accent-rgb), 0.45);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--text-light);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background: var(--text-light);
    color: var(--primary);
    border-color: var(--text-light);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 10px 22px;
    font-size: 0.85rem;
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-cubic);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
}

.card-body {
    padding: 28px;
}

.card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

/* ---- Badge ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-primary {
    background: var(--primary-lightest);
    color: var(--primary);
}

.badge-accent {
    background: var(--accent-lightest);
    color: var(--accent-dark);
}

/* ---- Grid Utilities ---- */
.grid {
    display: grid;
    gap: 30px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

/* ---- Flex Utilities ---- */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.gap-4 { gap: 32px; }

/* ---- Text Utilities ---- */
.text-center { text-align: center; }
.text-primary-color { color: var(--primary) !important; }
.text-accent-color { color: var(--accent-dark) !important; }
.text-white { color: var(--text-light) !important; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

/* ---- Spacing Utilities ---- */
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
    padding: 12px 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 8px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.navbar-brand .logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    font-weight: 800;
    font-family: var(--font-heading);
}

.navbar-brand .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.navbar-brand .brand-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--dark);
}

.navbar-brand .brand-sub {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 4px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 16px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.nav-link .dropdown-icon {
    font-size: 0.65rem;
    transition: transform var(--transition-fast);
}

.nav-item:hover .dropdown-icon {
    transform: rotate(180deg);
}

/* Dropdown */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    list-style: none;
    z-index: 100;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.dropdown-menu li a:hover {
    background: var(--primary-lightest);
    color: var(--primary);
}

.dropdown-menu li a .dropdown-item-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.dropdown-menu li a:hover .dropdown-item-icon {
    background: var(--primary);
    color: white;
}

/* Sub-dropdown for Admissions Apply Now */
.dropdown-menu .has-sub {
    position: relative;
}

.dropdown-menu .sub-dropdown {
    position: absolute;
    top: 0;
    left: 100%;
    min-width: 200px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all var(--transition-base);
    list-style: none;
}

.dropdown-menu .has-sub:hover .sub-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Nav CTA */
.nav-cta {
    margin-left: 12px;
}

.nav-cta .btn {
    padding: 10px 24px;
    font-size: 0.88rem;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    z-index: 1001;
    background: none;
    border: none;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SLIDER
   ============================================ */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 650px;
    max-height: 900px;
    overflow: hidden;
}

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

/* Individual Slide */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
    z-index: 1;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    max-width: none;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.85) 35%, rgba(15, 23, 42, 0.5) 65%, rgba(15, 23, 42, 0.15) 100%);
    z-index: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 80px;
    padding-bottom: 100px;
    color: var(--text-light);
}

.slide-content .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(var(--accent-rgb), 0.15);
    border: 1px solid rgba(var(--accent-rgb), 0.3);
    color: var(--accent);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    width: fit-content;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease 0.2s;
}

.slide.active .slide-content .hero-badge {
    opacity: 1;
    transform: translateY(0);
}

.slide-content h1 {
    color: var(--text-light);
    font-family: 'Montserrat', var(--font-heading);
    font-size: clamp(2.5rem, 4.5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    max-width: 700px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease 0.4s;
}

.slide.active .slide-content h1 {
    opacity: 1;
    transform: translateY(0);
}

.slide-content h1 .highlight {
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slide-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    max-width: 560px;
    line-height: 1.8;
    margin-bottom: 36px;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease 0.6s;
}

.slide.active .slide-content p {
    opacity: 1;
    transform: translateY(0);
}

.slide-content .hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease 0.8s;
}

.slide.active .slide-content .hero-buttons {
    opacity: 1;
    transform: translateY(0);
}

/* Slider Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 52px;
    height: 52px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.slider-prev { left: 30px; }
.slider-next { right: 30px; }

/* Slider Dots */
.slider-dots {
    position: absolute;
    bottom: 110px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 10px;
}

.slider-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.slider-dots .dot.active {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.2);
    box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.5);
}

.slider-dots .dot:hover {
    border-color: white;
}

/* Slider Stats Bar */
.slider-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    justify-content: center;
    gap: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.slider-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 50px;
    position: relative;
}

.slider-stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 25%;
    height: 50%;
    width: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.slider-stat-number {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    line-height: 1;
}

.slider-stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
    font-weight: 500;
}

/* Progress bar at top of slider */
.hero-slider::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--primary-light));
    z-index: 20;
    animation: sliderProgress 6s linear infinite;
}

@keyframes sliderProgress {
    0% { width: 0; }
    100% { width: 100%; }
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(var(--primary-rgb), 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(var(--accent-rgb), 0.1) 0%, transparent 50%),
        radial-gradient(circle at 60% 80%, rgba(var(--primary-rgb), 0.08) 0%, transparent 50%);
    z-index: 0;
}

.hero-floating {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.hero-floating:nth-child(1) {
    width: 300px;
    height: 300px;
    background: rgba(var(--primary-rgb), 0.12);
    top: -50px;
    right: -50px;
    animation-duration: 25s;
}

.hero-floating:nth-child(2) {
    width: 200px;
    height: 200px;
    background: rgba(var(--accent-rgb), 0.1);
    bottom: 50px;
    left: -30px;
    animation-duration: 18s;
    animation-delay: -5s;
}

.hero-floating:nth-child(3) {
    width: 150px;
    height: 150px;
    background: rgba(var(--primary-rgb), 0.08);
    top: 40%;
    right: 30%;
    animation-duration: 22s;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(15px, 30px) scale(1.02); }
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    color: var(--text-light);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(var(--accent-rgb), 0.15);
    border: 1px solid rgba(var(--accent-rgb), 0.3);
    color: var(--accent);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-content h1 {
    color: var(--text-light);
    font-size: clamp(2.5rem, 4.5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s 0.1s ease both;
}

.hero-content h1 .highlight {
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.15rem;
    max-width: 520px;
    line-height: 1.8;
    margin-bottom: 36px;
    animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s 0.3s ease both;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    animation: fadeInUp 0.8s 0.4s ease both;
}

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

.hero-stat .stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-light);
    line-height: 1;
}

.hero-stat .stat-number span {
    color: var(--accent);
}

.hero-stat .stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}

/* Hero Right - Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInRight 1s 0.5s ease both;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.hero-image-wrapper .hero-img-main {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

/* Floating language badges on hero */
.hero-lang-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--dark);
    animation: floatBadge 4s ease-in-out infinite;
}

.hero-lang-badge .flag {
    font-size: 1.3rem;
}

.hero-lang-badge:nth-child(2) {
    top: 15%;
    right: -10px;
    animation-delay: -1s;
}

.hero-lang-badge:nth-child(3) {
    bottom: 25%;
    left: -20px;
    animation-delay: -2s;
}

.hero-lang-badge:nth-child(4) {
    bottom: 10%;
    right: 5%;
    animation-delay: -3s;
}

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

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
    background: var(--bg-white);
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.stats-bar-inner {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 40px 50px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    border: 1px solid var(--border-light);
}

.stat-item {
    text-align: center;
    padding: 10px;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -15px;
    top: 20%;
    height: 60%;
    width: 1px;
    background: var(--border);
}

.stat-item .stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin: 0 auto 12px;
}

.stat-item:nth-child(1) .stat-icon { background: var(--primary-lightest); color: var(--primary); }
.stat-item:nth-child(2) .stat-icon { background: var(--accent-lightest); color: var(--accent-dark); }
.stat-item:nth-child(3) .stat-icon { background: #FEF3C7; color: #D97706; }
.stat-item:nth-child(4) .stat-icon { background: #EDE9FE; color: #7C3AED; }

.stat-item .stat-value {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-item .stat-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
.why-card {
    padding: 36px 28px;
    text-align: center;
    border: 1px solid var(--border-light);
}

.why-card:hover {
    border-color: var(--primary-lightest);
}

.why-card .why-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin: 0 auto 20px;
    transition: all var(--transition-base);
}

.why-card:nth-child(1) .why-icon { background: var(--primary-lightest); color: var(--primary); }
.why-card:nth-child(2) .why-icon { background: var(--accent-lightest); color: var(--accent-dark); }
.why-card:nth-child(3) .why-icon { background: #FEF3C7; color: #D97706; }
.why-card:nth-child(4) .why-icon { background: #EDE9FE; color: #7C3AED; }

.why-card:hover .why-icon {
    transform: scale(1.1) rotate(5deg);
}

.why-card h4 {
    margin-bottom: 10px;
    font-size: 1.15rem;
}

.why-card p {
    font-size: 0.92rem;
    margin-bottom: 0;
}

/* ============================================
   COURSES SECTION
   ============================================ */
.course-card .card-img-wrapper {
    position: relative;
    overflow: hidden;
}

.course-card .card-img {
    height: 200px;
    transition: transform var(--transition-slow);
}

.course-card:hover .card-img {
    transform: scale(1.05);
}

.course-card .card-flag {
    position: absolute;
    top: 16px;
    left: 16px;
    font-size: 2rem;
    background: rgba(255, 255, 255, 0.9);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.course-card .card-level {
    position: absolute;
    top: 16px;
    right: 16px;
}

.course-card .card-body h4 {
    margin-bottom: 8px;
}

.course-card .card-body p {
    font-size: 0.9rem;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-card .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.course-card .card-meta span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.course-card .card-meta .btn-sm {
    padding: 8px 18px;
    font-size: 0.82rem;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.steps-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

.steps-wrapper::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    z-index: 0;
}

.step-card {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.3);
}

.step-number span {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-light);
}

.step-card h4 {
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.92rem;
    max-width: 280px;
    margin: 0 auto;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonial-card {
    padding: 36px;
    position: relative;
}

.testimonial-card .quote-icon {
    font-size: 2.5rem;
    color: var(--primary-lightest);
    margin-bottom: 16px;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card .quote-text {
    font-size: 1.02rem;
    color: var(--text-primary);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 24px;
}

.testimonial-card .quote-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-card .author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-lightest), var(--accent-lightest));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
}

.testimonial-card .author-info h5 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.testimonial-card .author-info span {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.testimonial-card .rating {
    color: #F59E0B;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(var(--accent-rgb), 0.15);
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: var(--text-light);
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand-name {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand .brand-name .logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    font-weight: 800;
}

.footer-brand p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 24px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-fast);
    text-decoration: none;
    font-size: 0.95rem;
}

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

.footer-col h4 {
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.footer-col ul li a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 0.9rem;
}

.footer-contact-item i {
    color: var(--accent);
    margin-top: 3px;
    font-size: 0.9rem;
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
}

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

/* ============================================
   PAGE HERO (Inner pages)
   ============================================ */
.page-hero {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 40%, rgba(var(--primary-rgb), 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(var(--accent-rgb), 0.1) 0%, transparent 50%);
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    color: var(--text-light);
    margin-bottom: 16px;
    font-size: clamp(2rem, 3.5vw, 3rem);
}

.page-hero p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb .separator {
    color: rgba(255, 255, 255, 0.3);
}

.breadcrumb .current {
    color: var(--accent);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content p {
        margin: 0 auto 36px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }

    .stats-bar-inner {
        grid-template-columns: repeat(2, 1fr);
        padding: 30px;
    }

    .stat-item:nth-child(2)::after {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .steps-wrapper::before {
        display: none;
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-5 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    /* Mobile Nav */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 350px;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        align-items: stretch;
        padding: 80px 24px 24px;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-base);
        overflow-y: auto;
        gap: 0;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-link {
        padding: 14px 16px;
        font-size: 1rem;
        border-bottom: 1px solid var(--border-light);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--bg-alt);
        border-radius: var(--radius-sm);
        padding: 4px;
        display: none;
    }

    .nav-item.dropdown-open .dropdown-menu {
        display: block;
    }

    .dropdown-menu .sub-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        margin-left: 16px;
        display: none;
    }

    .dropdown-menu .has-sub.sub-open .sub-dropdown {
        display: block;
    }

    .nav-cta {
        margin: 16px 0 0;
    }

    .nav-cta .btn {
        width: 100%;
    }

    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
    }

    /* Hero Slider Mobile */
    .hero-slider {
        height: 85vh;
        min-height: 500px;
        max-height: 700px;
    }

    .slide-content {
        padding-top: 90px;
        padding-bottom: 40px;
    }

    .slide-content h1 {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }

    .slide-content p {
        font-size: 0.95rem;
        max-width: 100%;
    }

    .slide-content .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .slide-content .hero-buttons .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 0.85rem;
    }

    .slider-prev { left: 12px; }
    .slider-next { right: 12px; }

    .slider-dots {
        bottom: 20px;
    }

    .slider-dots .dot {
        width: 10px;
        height: 10px;
    }

    .desktop-cta {
        display: none;
    }

    /* Stats Bar */
    .stats-bar {
        margin-top: -30px;
    }

    .stats-bar-inner {
        grid-template-columns: 1fr 1fr;
        padding: 24px 20px;
        gap: 20px;
    }

    .stat-item::after {
        display: none !important;
    }

    .stat-item .stat-value {
        font-size: 1.6rem;
    }

    /* Grids */
    .grid-2, .grid-3, .grid-4, .grid-5 {
        grid-template-columns: 1fr;
    }

    .steps-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    /* CTA */
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    /* Page Hero Inner */
    .page-hero {
        padding: 120px 0 50px;
    }

    .page-hero h1 {
        font-size: clamp(1.6rem, 4vw, 2.2rem);
    }

    /* Cards */
    .card-body {
        padding: 20px;
    }

    .card-meta {
        flex-direction: column;
        gap: 12px;
    }

    /* Course detail */
    .course-detail-grid {
        grid-template-columns: 1fr;
    }

    /* Contact grid */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    /* Team grid */
    .team-grid {
        grid-template-columns: 1fr;
    }

    /* Timeline */
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-item::before {
        left: 12px;
    }

    /* Comparison table scroll */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Gallery grid */
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* FAQ accordion */
    .faq-question {
        padding: 16px;
        font-size: 0.95rem;
    }

    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .slide-content h1 {
        font-size: 1.6rem;
    }

    .slide-content .hero-badge {
        font-size: 0.75rem;
        padding: 6px 14px;
    }

    .slider-arrow {
        width: 34px;
        height: 34px;
        font-size: 0.75rem;
    }

    .slider-prev { left: 8px; }
    .slider-next { right: 8px; }

    .stats-bar-inner {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 0.95rem;
    }
}

/* ---- Scroll to Top Button ---- */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.4);
    z-index: 999;
    font-size: 1.1rem;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}