/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
:root {
    /* Branding Colors */
    --primary: #0a192f; /* Deep Navy Blue */
    --primary-light: #172a45;
    --secondary: #d4af37; /* Gold/Bronze */
    --secondary-hover: #b8972b;
    
    /* Neutral Colors */
    --text-main: #333333;
    --text-muted: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Playfair Display', serif;
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

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

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

.text-white {
    color: var(--white);
}

.opacity-80 {
    opacity: 0.8;
}

.w-100 {
    width: 100%;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--primary);
}

.section-title {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--secondary);
}

.text-center.section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-primary);
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--secondary);
}

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

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

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background-color: rgba(10, 25, 47, 1);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

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

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

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text h1 {
    color: var(--secondary);
    font-size: 1.5rem;
    margin: 0;
    letter-spacing: 1px;
}

.logo-text span {
    color: var(--white);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--white);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: var(--transition);
}

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

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: url('https://images.unsplash.com/photo-1541339907198-e08756dedf3f?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
    background-attachment: fixed;
    color: var(--white);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10,25,47,0.9) 0%, rgba(10,25,47,0.7) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h2 {
    color: var(--white);
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero .highlight {
    color: var(--secondary);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-shape {
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    z-index: 2;
}

.hero-shape svg {
    width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.features-list {
    margin-top: 2rem;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.features-list i {
    color: var(--secondary);
    font-size: 1.2rem;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.image-wrapper img {
    transition: transform 0.5s ease;
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--secondary);
    color: var(--white);
    padding: 2rem;
    border-radius: 50%;
    width: 150px;
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
    border: 5px solid var(--white);
}

.experience-badge .years {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

/* ==========================================================================
   Programs Section
   ========================================================================== */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.program-card {
    background-color: var(--white);
    padding: 3rem 2rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.program-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.program-card:hover .card-icon {
    background-color: var(--secondary);
    color: var(--white);
}

.program-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.program-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.read-more {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.read-more i {
    transition: transform 0.3s ease;
}

.read-more:hover {
    color: var(--secondary);
}

.read-more:hover i {
    transform: translateX(5px);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
    background-color: var(--primary);
    position: relative;
    padding: 6rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info .section-title::after {
    background-color: var(--secondary);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-top: 2rem;
    color: var(--white);
}

.info-item .icon-box {
    width: 50px;
    height: 50px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-content h4 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.info-content p {
    opacity: 0.8;
}

.contact-form-wrapper {
    background-color: var(--white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--primary-light);
    color: var(--white);
    padding-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    margin-top: 1rem;
    opacity: 0.7;
}

.footer h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--secondary);
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    opacity: 0.7;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--secondary);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}

.footer-bottom {
    background-color: var(--primary);
    padding: 1.5rem 0;
    text-align: center;
    opacity: 0.8;
    font-size: 0.9rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.animate-up {
    animation: fadeInUp 1s cubic-bezier(0.5, 0, 0, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

.delay-1 { animation-delay: 0.2s; transition-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; transition-delay: 0.4s; }

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

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .about-container,
    .contact-grid,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .experience-badge {
        right: 20px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: 0.3s ease;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}