:root {
    --primary: #8b4513; /* Official Brown */
    --primary-hover: #5d4037;
    --secondary: #d2691e;
    --accent: #f4a460;
    --background: #fffafa; /* Snow/Peach tint */
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-main: #2d241e;
    --text-muted: #6d5d55;
    --nav-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(139, 69, 19, 0.1);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(139 69 19 / 0.05), 0 2px 4px -2px rgb(139 69 19 / 0.05);
    --shadow-lg: 0 10px 15px -3px rgb(139 69 19 / 0.1), 0 4px 6px -4px rgb(139 69 19 / 0.1);
    --glass: rgba(255, 255, 255, 0.15);
    --glass-accent: rgba(255, 255, 255, 0.25);
}

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

body {
    font-family: 'Outfit', 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Gradients */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.1), transparent),
                radial-gradient(circle at bottom left, rgba(236, 72, 153, 0.1), transparent);
}

/* Navigation */
.navbar-modern {
    background: var(--nav-bg);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-main);
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
}

.logo-text b {
    color: var(--primary);
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.85rem;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
    letter-spacing: 0.5px;
}

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

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

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

/* Hero Section */
.hero {
    padding: 8rem 2rem 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 60, 114, 0.8), rgba(42, 102, 152, 0.8));
    z-index: -1;
}

.badge-new {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: inline-block;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #1e293b 0%, #475569 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    max-width: 800px;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
}

.btn-premium {
    padding: 0.85rem 2.25rem;
    border-radius: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-primary-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.4);
}

.btn-primary-gradient:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px -5px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    background: white;
    color: var(--text-main);
    border: 1px solid #e2e8f0;
}

.btn-outline:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.btn-primary-modern {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white !important;
    padding: 12px 30px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 10px 20px -10px var(--primary);
}

.btn-primary-modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -10px var(--primary);
    color: white !important;
}

.btn-secondary-modern {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    color: white !important;
    padding: 12px 30px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-secondary-modern:hover {
    background: var(--glass-accent);
    transform: translateY(-2px);
}

.badge-modern {
    background: var(--glass);
    backdrop-filter: blur(5px);
    padding: 8px 16px;
    border-radius: 50px;
    display: inline-block;
    font-weight: 600;
    font-size: 0.85rem;
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
}

.hero-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(15px);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.stat-item {
    text-align: center;
    color: white;
}

.stat-item h4 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.2rem;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

/* Card Section */
.info-section {
    padding: 4rem 2rem;
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.modern-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
}

.modern-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.3);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.blue-bg { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.purple-bg { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.pink-bg { background: rgba(236, 72, 153, 0.1); color: #ec4899; }

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    background: white;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.tamil {
    font-family: 'Noto Sans Tamil', 'Inter', sans-serif !important;
    font-size: 1.1em;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.alert-info {
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
    color: #1d4ed8;
}

.alert-info a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.modal-content {
    background: white;
    border-radius: 20px;
    border: none;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}

.modal-header {
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Timeline */
.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    position: relative;
}

.process-step {
    padding: 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 15px -5px rgba(139, 69, 19, 0.4);
    position: relative;
}

.process-step h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--text-main);
}

.process-step p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 991px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        z-index: 1000;
        text-align: center;
    }

    .nav-links.mobile-active {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }

    .hero h1 { font-size: 2.5rem; margin-top: 1rem; }
    .hero { padding: 4rem 1rem; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem !important; }
    .hero-stats-grid { 
        grid-template-columns: 1fr;
        padding: 1.5rem;
        margin-top: 2rem;
    }
    .hero-section {
        border-radius: 0 0 24px 24px !important;
        padding: 60px 20px !important;
    }
    .cta-group, .hero-actions { 
        flex-direction: column; 
        width: 100%; 
        gap: 1rem !important;
    }
    .btn-premium, .btn-primary-modern, .btn-secondary-modern { width: 100%; justify-content: center; }
    
    .grid-cards {
        grid-template-columns: 1fr !important;
    }
    
    .modern-admission-container {
        padding: 0 15px;
    }
}

@media (min-width: 992px) {
    .hero h1 { font-size: 4rem; }
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-up {
    animation: fadeInUp 0.8s ease forwards;
}