/* ============================================
   NSTC College Website - Dark Green Theme
   Caltech-inspired design
   ============================================ */

/* CSS Variables - Dark Green Theme */
:root {
    /* Color Palette */
    --color-primary-dark: #0a3d2e;    /* Deep Forest Green */
    --color-primary: #1a5c48;         /* Spruce Green */
    --color-primary-light: #2d7a5e;   /* Medium Green */
    --color-accent: #2ecc71;          /* Emerald Green */
    --color-accent-light: #4cdc91;    /* Light Emerald */
    --color-light: #e9f7ef;           /* Mint */
    --color-light-gray: #f8f9fa;      /* Light Gray */
    --color-gray: #6c757d;            /* Medium Gray */
    --color-dark: #1a1f2c;            /* Near Black */
    --color-text: #333333;            /* Text Gray */
    --color-white: #ffffff;
    --color-black: #000000;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(10, 61, 46, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 61, 46, 0.12);
    --shadow-lg: 0 10px 40px rgba(10, 61, 46, 0.15);
    --shadow-xl: 0 20px 60px rgba(10, 61, 46, 0.2);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-round: 50%;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;   /* 12px */
    --font-size-sm: 0.875rem;  /* 14px */
    --font-size-base: 1rem;    /* 16px */
    --font-size-lg: 1.125rem;  /* 18px */
    --font-size-xl: 1.25rem;   /* 20px */
    --font-size-2xl: 1.5rem;   /* 24px */
    --font-size-3xl: 2rem;     /* 32px */
    --font-size-4xl: 2.5rem;   /* 40px */
    --font-size-5xl: 3rem;     /* 48px */
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-sm);
}

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

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

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    line-height: 1;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

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

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

.btn-accent {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
    background: linear-gradient(135deg, #1da851, #0d6e5a);
    color: var(--color-white);
    transform: translateY(-3px);
}

.btn-small {
    padding: 8px 20px;
    font-size: var(--font-size-sm);
}

.btn-block {
    width: 100%;
}

.btn-text {
    background: transparent;
    color: var(--color-primary);
    padding: 0;
    border: none;
}

.btn-text:hover {
    color: var(--color-accent);
    transform: none;
    background: transparent;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-primary-dark);
    color: var(--color-white);
    z-index: 1000;
    box-shadow: var(--shadow-md);
    padding: 0.5rem 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--color-white);
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.logo-text h1 {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: 2px;
}

.logo-text p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-white);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    opacity: 0.9;
}

.nav-link:hover {
    opacity: 1;
    color: var(--color-accent);
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: var(--gradient-primary);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.hero-title {
    color: var(--color-white);
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

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

.hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 5px;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
}

.card-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.card-icon {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.hero-card h3 {
    color: var(--color-white);
    font-size: var(--font-size-2xl);
}

.feature-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-list li:last-child {
    border-bottom: none;
}

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

/* Why Choose Section */
.why-section {
    background-color: var(--color-light-gray);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.benefit-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border-top: 4px solid var(--color-primary);
    position: relative;
    overflow: hidden;
}

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

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
}

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

.benefit-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-dark);
}

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

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

.course-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    background: var(--color-light-gray);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--color-gray);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 10px;
}

.tab-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.tab-btn:hover:not(.active) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.course-tab-content {
    display: none;
}

.course-tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.course-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .course-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.course-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-light);
    transition: all var(--transition-normal);
}

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

.course-header {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-lg);
}

.course-category {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.course-title {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    margin-bottom: 0;
}

.course-body {
    padding: var(--spacing-lg);
}

.course-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.course-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--color-light);
    color: var(--color-text);
}

.course-features li:last-child {
    border-bottom: none;
}

.course-meta {
    display: flex;
    gap: var(--spacing-md);
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

.course-meta i {
    margin-right: 5px;
    color: var(--color-primary);
}

.course-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Campuses Section */
.campuses-section {
    background-color: var(--color-light-gray);
}

.campuses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .campuses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.campus-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.campus-image {
    height: 200px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    position: relative;
}

.image-placeholder {
    text-align: center;
}

.image-placeholder i {
    font-size: 3rem;
    margin-bottom: 10px;
    opacity: 0.8;
}

.image-placeholder span {
    display: block;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.campus-content {
    padding: var(--spacing-lg);
}

.campus-badge {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 5px 15px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.campus-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.campus-address {
    display: flex;
    gap: 10px;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray);
}

.campus-address i {
    color: var(--color-primary);
    margin-top: 3px;
}

.campus-features {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.campus-features span {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

.campus-features i {
    color: var(--color-primary);
}

/* Contact CTA */
.cta-section {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-title {
    color: var(--color-white);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
}

.contact-methods {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .contact-methods {
        grid-template-columns: repeat(3, 1fr);
    }
}

.contact-method {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.contact-method h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.phone-number {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-accent);
    margin: 5px 0;
}

.contact-method p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
}

/* Footer */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

.footer-logo h3 {
    color: var(--color-white);
    font-size: 1.3rem;
    margin-bottom: 2px;
}

.footer-logo p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-about {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: 15px;
}

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

.social-links a:hover {
    background: var(--color-accent);
    color: var(--color-dark);
    transform: translateY(-3px);
}

.footer-title {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-accent);
}

.footer-links {
    list-style: none;
}

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

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

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

.contact-info {
    color: rgba(255, 255, 255, 0.7);
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: var(--spacing-md);
}

.contact-item i {
    color: var(--color-accent);
    margin-top: 3px;
}

.hours-info {
    margin-bottom: var(--spacing-lg);
}

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

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

.newsletter {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.newsletter h5 {
    color: var(--color-white);
    font-size: var(--font-size-base);
    margin-bottom: 5px;
}

.newsletter p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-size: var(--font-size-sm);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
}

.modal.active {
    display: flex;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-gray);
    cursor: pointer;
    padding: 5px;
}

.modal-content h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: 10px;
}

.modal-content p {
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--color-primary-dark);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--color-light);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-primary-dark);
        flex-direction: column;
        justify-content: flex-start;
        padding: 80px 30px 30px;
        transition: right var(--transition-normal);
        z-index: 1001;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-links {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-link {
        padding: 15px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-cta {
        margin-top: 30px;
        width: 100%;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
    }
    
    .campuses-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .hero-buttons,
    .course-footer,
    .cta-section,
    .modal {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    .hero {
        /* background: #fff !important; */
        color: #000 !important;
        padding: 20px 0 !important;
    }
    
    .hero-title {
        color: #000 !important;
    }
    
    .hero-description {
        color: #000 !important;
    }
}

/* ============================================
   AUTOMATIC SLIDESHOW STYLES
   ============================================ */
/* ============================================
   SIMPLE AUTOMATIC SLIDESHOW
   ============================================ */

.hero {
    position: relative;
    padding: 120px 0 80px;
    color: var(--color-white);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Slideshow Container */
.slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Individual Slide */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.slide.active {
    opacity: 1;
}

/* Slide Background Image */
.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    animation: zoomEffect 20s ease-in-out infinite;
}

@keyframes zoomEffect {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Overlay for better text readability */
.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(10, 61, 46, 0.85) 0%, 
        rgba(26, 92, 72, 0.8) 100%);
}

/* Hero Content (above slideshow) */
.hero-container {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
    }
}

/* Hero Card */
.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .slide-bg {
        animation: zoomEffectMobile 20s ease-in-out infinite;
    }
}

@keyframes zoomEffectMobile {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.03);
    }
    100% {
        transform: scale(1);
    }
}