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

html {
    scroll-behavior: smooth;
}

body{ 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    background:var(--bg); 
    color:var(--text); 
}

/* Brand/Logo */
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: #1f2a44;
    white-space: nowrap;
}

.logo-mark {
    height: 28px;
    width: auto;
    display: block;
    object-fit: contain;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: #666;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    justify-content: center;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    font-size: 0.875rem;
    border-radius: 25px;
}

/* Color theme override */
:root{
  --primary:#1E40AF;        /* deep blue */
  --primary-dark:#1E3A8A;   /* navy blue */
  --primary-light:#3B82F6;  /* bright blue */
  --accent:#3B82F6;         /* blue accent */
  --accent-2:#1E40AF;       /* darker blue */
  --bg:#FFFFFF;             /* pure white */
  --bg-light:#F8FAFC;       /* light gray */
  --text:#1F2937;           /* dark gray */
  --text-light:#6B7280;     /* medium gray */
  --white:#FFFFFF;          /* white */
}

.btn-primary{
    background: linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
    color:#fff;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 35px rgba(30, 58, 138, 0.4);
    filter: brightness(1.1);
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    animation: pulse 2s infinite;
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.2);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1.25rem 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2{ 
    color:var(--primary); 
    margin: 0;
    font-size: 1.8rem;
}

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

.nav-item {
    position: relative;
}

.nav-link {
    color: #333;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link.apply-btn {
    padding: 0.75rem 1.5rem;
    margin-left: 1rem;
}

.nav-link::after{ 
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background:var(--primary); 
    transition: width 0.3s ease;
}

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

.apply-btn,.btn-accent{ 
    background: linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
    color:#ffffff;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.35);
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.apply-btn:hover { 
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 35px rgba(30, 58, 138, 0.4);
    filter: brightness(1.1);
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    animation: pulse 2s infinite;
}

.apply-btn.active {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

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

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 50%, #1E40AF 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}



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

.hero-title {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--white);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    font-weight: 400;
    max-width: 600px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

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

.hero-graphic {
    display: flex;
    gap: 2rem;
    font-size: 4rem;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-graphic i {
    animation: float 6s ease-in-out infinite;
}

.hero-graphic i:nth-child(2) {
    animation-delay: 2s;
}

.hero-graphic i:nth-child(3) {
    animation-delay: 4s;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: var(--text);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Stats Section */
.stats-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 500;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}



.about-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
}

.about-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 20px 60px rgba(30, 58, 138, 0.4);
}

.card-icon,.author-avatar{
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 2.25rem;
    color: white;
    box-shadow: 0 15px 45px rgba(30, 58, 138, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-card h3 {
    color: var(--text);
    margin-bottom: 1rem;
}

.about-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Program Section */
.program {
    padding: 80px 0;
    background: var(--white);
}

.program-schedule {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.week-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.06);
    border-left: 5px solid var(--primary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.week-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.1);
    border-left-color: var(--accent);
}

.week-number {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.week-card h3 {
    color: var(--text);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.week-card ul {
    color: var(--text-light);
}

.week-card li {
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.week-card li::before {
    content: '•';
    color: var(--primary);
    font-weight: bold;
    position: absolute;
    left: 0;
}

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

.feature {
    text-align: center;
    padding: 2rem;
}

.feature i{ 
    font-size: 3rem;
    color:var(--accent); 
    margin-bottom: 1rem;
}

.feature h4 {
    color: var(--text);
    margin-bottom: 1rem;
}

.feature p {
    color: var(--text-light);
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.testimonial-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(247, 250, 252, 0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
}

.testimonial-card:hover .author-avatar {
    transform: scale(1.1);
    box-shadow: 0 20px 60px rgba(30, 58, 138, 0.4);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

.author-info h4 {
    color: var(--text);
    margin-bottom: 0.25rem;
}

.author-info p {
    color: var(--primary);
    font-size: 0.9rem;
    margin: 0;
}

/* CTA Section */
.cta,.page-header{
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.cta .btn-primary {
    background: var(--white);
    color: var(--primary);
    font-weight: 600;
}

.cta .btn-primary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

/* Footer */
.footer{ 
    background: var(--primary-dark); 
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #a0aec0;
    margin-bottom: 1rem;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #a0aec0;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover{ 
    color:var(--accent); 
}

/* Enhanced footer styling */
.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.025em;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.footer-section ul li a {
    color: #a0aec0;
    transition: all 0.3s ease;
    padding: 0.25rem 0;
    display: inline-block;
}

.footer-section ul li a:hover{ 
    color:var(--accent); 
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.1rem;
}

.social-links a:hover{ 
    background:var(--accent); 
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

/* Page Header */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 1rem;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-graphic {
        font-size: 3rem;
        gap: 1rem;
    }

    .container {
        padding: 0 1rem;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

    .about-grid,
    .program-schedule,
    .program-features,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .logo-mark { height: 24px; }
    .nav-logo h2 { font-size: 1.4rem; }
}

@media (max-width: 1200px) {
    .program-schedule {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .program-schedule {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}



@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 172, 254, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(79, 172, 254, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(79, 172, 254, 0);
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scroll Animations */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.slide-up {
    animation: slideInUp 0.8s ease-out;
}

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* If logo image fails to load, keep layout stable */
.logo-mark[onerror] { display: block; }