/* ===================================
   CSS Variables & Root Styles
   =================================== */
:root {
    /* Primary Colors - Premium Navy & Gold */
    --primary-color: #1e3a8a;
    --primary-dark: #172554;
    --primary-light: #3b82f6;
    --accent-color: #f59e0b;
    --accent-dark: #d97706;
    --accent-light: #fbbf24;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Success & Alert */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

.btn-whatsapp-nav {
    background: #25d366;
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.btn-whatsapp-nav:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Top Bar
   =================================== */
.top-bar {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.top-bar-location {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.top-bar-contact {
    display: flex;
    gap: var(--spacing-md);
}

.top-bar-contact a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--white);
}

.top-bar-contact a:hover {
    color: var(--accent-light);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-base);
}

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

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--gray-600);
    font-weight: 600;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition-fast);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
}

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

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(59, 130, 246, 0.9) 100%);
    z-index: 1;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-badge i {
    font-size: 1.25rem;
    color: var(--accent-light);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.hero-note {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--white);
    border-radius: 2px;
    animation: scroll-down 2s infinite;
}

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

/* ===================================
   Section Headers
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
}

/* ===================================
   How It Works Section
   =================================== */
.how-it-works {
    background: var(--gray-50);
}

.steps-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.step-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    position: relative;
    transition: var(--transition-base);
}

.step-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.step-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin: var(--spacing-md) 0;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.step-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary-color);
}

.important-note {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    border-left: 4px solid var(--accent-color);
    max-width: 700px;
    margin: 0 auto;
}

.important-note i {
    font-size: 1.5rem;
    color: var(--accent-dark);
}

.important-note p {
    font-weight: 600;
    color: var(--gray-800);
}

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

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.course-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
    position: relative;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

.course-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.course-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--accent-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

.course-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.course-features {
    margin-bottom: var(--spacing-lg);
}

.course-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

.course-features i {
    color: var(--success);
    margin-top: 4px;
}

.course-footer {
    border-top: 2px solid var(--gray-200);
    padding-top: var(--spacing-md);
}

.course-price {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.course-note {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
}

.btn-course {
    width: 100%;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-course:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.section-cta {
    text-align: center;
}

/* ===================================
   Why Choose Us
   =================================== */
.why-choose {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: var(--white);
}

.why-choose .section-tag {
    background: rgba(255, 255, 255, 0.2);
}

.why-choose .section-header h2,
.why-choose .section-header p {
    color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-base);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
    margin: 0 auto var(--spacing-md);
}

.feature-card h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* ===================================
   Individual Classes Section
   =================================== */
.individual-classes {
    background: var(--gray-50);
}

.individual-highlight {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.individual-highlight i {
    font-size: 2rem;
    color: var(--accent-dark);
}

.individual-highlight p {
    font-size: 1.125rem;
    color: var(--gray-800);
}

.individual-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.individual-card {
    background: var(--white);
    border: 3px solid var(--accent-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-base);
}

.individual-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.individual-card h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.individual-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.individual-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.btn-individual {
    width: 100%;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: 1.125rem;
}

.btn-individual:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Pricing & Payments Section
   =================================== */
.pricing-payments {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.pricing-card {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.pricing-card h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.pricing-items {
    margin-bottom: var(--spacing-md);
}

.pricing-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-300);
}

.pricing-item:last-child {
    border-bottom: none;
}

.pricing-label {
    font-weight: 600;
    color: var(--gray-700);
}

.pricing-value {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.125rem;
}

.pricing-note {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--gray-700);
    border-left: 4px solid var(--accent-color);
}

.payment-methods h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-xl);
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.payment-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
}

.payment-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
}

.payment-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
}

.payment-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.payment-header h4 {
    font-size: 1.25rem;
    color: var(--gray-900);
}

.payment-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.payment-detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.detail-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 600;
}

.detail-value {
    font-size: 1.125rem;
    color: var(--gray-900);
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.detail-note {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.payment-card-coming {
    position: relative;
    opacity: 0.7;
}

.coming-soon-badge {
    background: var(--accent-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.payment-important-note {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    border: 2px solid #ef4444;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.note-icon {
    font-size: 2.5rem;
    color: #dc2626;
}

.note-content h4 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.note-content p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.note-content ul {
    margin-bottom: var(--spacing-md);
}

.note-content ul li {
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.btn-whatsapp-payment {
    background: #25d366;
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-whatsapp-payment:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Book Slot Section
   =================================== */
.book-slot {
    background: var(--gray-50);
}

.book-slot-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.125rem;
    color: var(--gray-700);
}

.slot-form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.form-group label i {
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-base);
}

.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(30, 58, 138, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.testimonial-card {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

.testimonial-rating {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    color: #f59e0b;
    font-size: 1.25rem;
}

.testimonial-text {
    font-size: 1.125rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.author-info h4 {
    font-size: 1.125rem;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.author-info span {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.social-proof {
    text-align: center;
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
}

.social-proof h3 {
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    font-weight: 600;
    transition: var(--transition-base);
}

.social-link:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.social-link i {
    font-size: 1.5rem;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.contact-tagline {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-content h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.contact-content a {
    display: block;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.contact-content a:hover {
    color: var(--primary-color);
}

.btn-contact-whatsapp {
    background: #25d366;
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.btn-contact-whatsapp:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
}

.cta-box i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.cta-box h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.cta-box p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.availability-box {
    background: var(--white);
    border: 2px solid var(--accent-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
}

.availability-box i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
}

.availability-box h4 {
    margin-bottom: var(--spacing-sm);
}

.availability-box p {
    color: var(--gray-700);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-about h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.footer-about p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.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;
    color: var(--white);
    font-size: 1.25rem;
    transition: var(--transition-base);
}

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

.footer-links h4,
.footer-courses h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-links ul li,
.footer-courses ul li,
.footer-contact ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a,
.footer-courses a {
    color: var(--gray-400);
    transition: var(--transition-base);
}

.footer-links a:hover,
.footer-courses a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact ul li {
    color: var(--gray-400);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-contact i {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-700);
}

.footer-bottom p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-xs);
}

/* ===================================
   WhatsApp Float Button
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-2xl);
    z-index: 999;
    transition: var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background: #128c7e;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 998;
}

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

.scroll-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    h1 { font-size: 2.75rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title { font-size: 2.75rem; }
    
    .step-arrow {
        display: none;
    }
}

@media (max-width: 768px) {
    /* Typography */
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    /* Top Bar */
    .top-bar-content {
        flex-direction: column;
        text-align: center;
    }
    
    .top-bar-contact {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    /* Navigation */
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-2xl);
        box-shadow: var(--shadow-2xl);
        transition: var(--transition-base);
        z-index: 1001;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        width: 100%;
        padding: var(--spacing-sm) 0;
    }
    
    /* Hero */
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .trust-badges {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    /* Sections */
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    /* Contact Grid */
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    /* Float Buttons */
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.75rem;
        bottom: 20px;
        right: 20px;
    }
    
    .scroll-to-top {
        bottom: 80px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    /* Container */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Typography */
    h1 { font-size: 1.875rem; }
    h2 { font-size: 1.5rem; }
    
    /* Hero */
    .hero-title {
        font-size: 1.875rem;
    }
    
    /* Buttons */
    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Cards */
    .slot-form-container {
        padding: var(--spacing-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Animation Classes (for JS)
   =================================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

/* ===================================
   Utility Classes
   =================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }