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

/* Color Variables - Faint Blue & Proper Red Theme */
:root {
    /* Primary Colors */
    --primary-red: #DC2626;
    --primary-red-light: #EF4444;
    --primary-red-dark: #B91C1C;
    
    /* Faint Blue Colors */
    --faint-blue: #F0F9FF;
    --faint-blue-light: #E0F2FE;
    --faint-blue-medium: #BAE6FD;
    --faint-blue-dark: #7DD3FC;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --black: #1F2937;
    --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;
    
    /* Accent Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --info: #3B82F6;
    
    /* Spacing & Border Radius */
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--faint-blue);
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
    h3 { font-size: 1.5rem; }
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    min-height: 48px;
}

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

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

.btn-glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--gray-800);
    box-shadow: var(--shadow);
}

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

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

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

@media (max-width: 768px) {
    .btn {
        padding: 14px 20px;
        width: 100%;
        margin-bottom: 12px;
    }
}

/* Navbar - Keep existing structure but improve styling */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(240, 249, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
    transition: var(--transition);
    padding: 16px 0;
}

.navbar.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

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

.navbar .logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--gray-900);
    transition: var(--transition);
    z-index: 1002;
}

.navbar-logo {
    height: 60px;
    width: auto;
    margin-right: 12px;
}

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

.logo-highlight {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-red);
}

.logo-text span:last-child {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Navigation */
.nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    padding: 12px 16px;
    border-radius: var(--radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    min-height: 44px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-red);
    background: rgba(220, 38, 38, 0.1);
}

.register-btn {
    background: var(--primary-red);
    color: var(--white);
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.register-btn:hover {
    background: var(--primary-red-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    width: 28px;
    height: 20px;
    cursor: pointer;
    z-index: 1002;
}

.menu-toggle .bar {
    height: 2px;
    width: 100%;
    background: var(--gray-800);
    border-radius: 2px;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        justify-content: space-between;
    }
    
    .nav-list {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(240, 249, 255, 0.98);
        flex-direction: column;
        justify-content: center;
        padding: 40px 20px;
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 1001;
    }
    
    .nav-list.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item {
        width: 100%;
        max-width: 300px;
        margin-bottom: 16px;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 16px 24px;
        background: var(--white);
        border: 1px solid var(--gray-200);
        box-shadow: var(--shadow-sm);
        font-size: 1.1rem;
    }
    
    .register-btn {
        width: 100%;
        max-width: 300px;
        margin-top: 20px;
        padding: 16px 24px;
        font-size: 1.1rem;
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--faint-blue) 0%, var(--faint-blue-light) 100%);
    margin-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 20%, rgba(220, 38, 38, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    z-index: 0;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: center;
}

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--gray-900);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    background: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background: var(--white);
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--faint-blue-medium);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-red);
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Mission Section */
.mission-section {
    padding: 80px 0;
    background: var(--faint-blue-light);
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-red);
    margin: 20px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.mission-quote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 32px;
    position: relative;
}

.mission-quote::before,
.mission-quote::after {
    content: '"';
    font-size: 4rem;
    color: var(--primary-red);
    position: absolute;
    font-family: serif;
    opacity: 0.3;
}

.mission-quote::before {
    top: -20px;
    left: -20px;
}

.mission-quote::after {
    bottom: -40px;
    right: -20px;
}

/* Courses Section */
.courses-section {
    padding: 100px 0;
    background: var(--white);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto 48px;
    }
}

.course-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
    position: relative;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.course-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2;
}

.badge-primary {
    background: var(--primary-red);
    color: var(--white);
    padding: 6px 12px;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-accent {
    background: var(--info);
    color: var(--white);
    padding: 6px 12px;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
}

.course-header {
    padding: 32px 24px;
    background: var(--faint-blue-light);
    text-align: center;
}

.course-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem;
    background: var(--primary-red);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.bg-primary-gradient { background: var(--primary-red); }
.bg-secondary-gradient { background: var(--info); }
.bg-accent-gradient { background: var(--success); }
.bg-warning-gradient { background: var(--warning); }

.course-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.course-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.course-rating i {
    color: var(--warning);
    font-size: 0.875rem;
}

.course-rating span {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-left: 8px;
}

.course-content {
    padding: 24px;
}

.course-features {
    list-style: none;
    margin-bottom: 24px;
}

.course-features li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.course-features i {
    color: var(--success);
    margin-right: 12px;
    margin-top: 2px;
    flex-shrink: 0;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
    font-size: 0.875rem;
    color: var(--gray-500);
}

.meta-item {
    display: flex;
    align-items: center;
}

.meta-item i {
    margin-right: 6px;
    color: var(--primary-red);
}

.btn-block {
    width: 100%;
}

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

.btn-secondary:hover {
    background: #2563EB;
    transform: translateY(-2px);
}

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

.btn-accent:hover {
    background: #059669;
    transform: translateY(-2px);
}

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

.btn-warning:hover {
    background: #D97706;
    transform: translateY(-2px);
}

.btn-gradient {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-light) 100%);
    color: var(--white);
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.mt-5 {
    margin-top: 3rem;
}

.mr-2 {
    margin-right: 0.5rem;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: var(--faint-blue-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-red);
    color: var(--white);
    border-radius: 50%;
    font-size: 2rem;
    box-shadow: var(--shadow-md);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--gray-900);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Footer - Keep existing structure */
.footer {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    color: var(--white);
    padding: 80px 0 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-red);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

.footer-col h3 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    color: var(--white);
    position: relative;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-red);
    border-radius: 2px;
}

.footer-brand {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo {
    height: 50px;
    margin-right: 15px;
}

.footer-description {
    font-size: 0.875rem;
    color: var(--gray-300);
    margin-bottom: 20px;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-red);
    transform: translateY(-2px);
}

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

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

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(4px);
}

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

.footer-contact li {
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    color: var(--gray-300);
    font-size: 0.875rem;
}

.footer-contact i {
    color: var(--primary-red);
    margin-right: 12px;
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

@media (max-width: 768px) {
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: 0.875rem;
}

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

.footer-bottom-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

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

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

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.divider {
    width: 80px;
    height: 4px;
    background: var(--primary-red);
    border-radius: 2px;
    margin: 20px auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 40px 0;
        min-height: 80vh;
    }
    
    .stats-section,
    .mission-section,
    .courses-section,
    .features-section {
        padding: 60px 0;
    }
    
    .footer {
        padding: 60px 0 0;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    
    .hero {
        padding: 30px 0;
    }
    
    .stats-section,
    .mission-section,
    .courses-section,
    .features-section {
        padding: 40px 0;
    }
    
    .footer {
        padding: 40px 0 0;
    }
}