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

:root {
    --primary: #1a3a5c;
    --primary-light: #2a5580;
    --accent: #2c7da0;
    --accent-light: #61b0cc;
    --dark: #0f2439;
    --text: #2b3a4a;
    --text-light: #6b7d8e;
    --bg: #f5f8fb;
    --bg-alt: #eaf1f7;
    --white: #ffffff;
    --success: #3a7d5c;
    --error: #b04040;
    --border: #d0dce6;
    --shadow: 0 2px 12px rgba(26, 58, 92, 0.08);
    --shadow-lg: 0 8px 30px rgba(26, 58, 92, 0.14);
    --radius: 8px;
    --transition: 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

img {
    max-width: 100%;
    height: auto;
}

/* Header */
.site-header {
    background: var(--primary);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
}

.logo:hover {
    color: var(--accent-light);
}

.nav-toggle {
    display: none;
    background: none;
    border: 2px solid var(--accent);
    color: var(--accent);
    font-size: 1.3rem;
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
}

.nav-toggle:hover {
    background: var(--accent);
    color: var(--white);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 5px;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.85);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-weight: 500;
    transition: all var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--white);
    background: var(--accent);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
    color: var(--white);
    text-align: center;
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(44, 125, 160, 0.12) 0%, transparent 70%);
}

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

.hero h1 {
    font-size: 3rem;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.hero-tagline {
    font-size: 1.4rem;
    color: var(--accent-light);
    margin-bottom: 10px;
}

.hero-stat {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    color: var(--dark);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--accent);
    margin-left: 10px;
}

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

.btn-sm {
    padding: 6px 16px;
    font-size: 0.85rem;
    background: var(--accent);
    color: var(--white);
    border-radius: var(--radius);
}

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

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Sections */
.section {
    padding: 70px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 40px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: 12px auto 0;
    border-radius: 2px;
}

.section-cta {
    text-align: center;
    margin-top: 35px;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
    color: var(--white);
    text-align: center;
    padding: 60px 20px;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.page-header p {
    color: var(--accent-light);
    font-size: 1.1rem;
}

/* Welcome Grid */
.welcome-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.welcome-text h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.welcome-text p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.welcome-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: transform var(--transition);
}

.feature-card:hover {
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 1.8rem;
    color: var(--accent);
    flex-shrink: 0;
}

.feature-card h4 {
    color: var(--primary);
    margin-bottom: 4px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-body {
    padding: 28px;
}

.card-body h3 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.card-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.card-date {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.card-meta {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

/* Faculty Cards */
.card-faculty {
    text-align: center;
}

.faculty-avatar {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 12px;
}

.faculty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

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

.faculty-avatar-lg {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 16px;
}

.faculty-title {
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 6px;
}

.faculty-email a {
    color: var(--accent);
    font-size: 0.9rem;
}

/* Programs List */
.programs-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.program-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

/* CTA Banner */
.section-cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    text-align: center;
    padding: 60px 0;
}

.cta-banner-inner h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.cta-banner-inner p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.cta-banner-inner .btn-primary {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.cta-banner-inner .btn-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
}

/* Admissions */
.admissions-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
}

.admissions-form-wrap h2,
.admissions-info-wrap h2 {
    color: var(--primary);
    margin-bottom: 20px;
}

.admissions-info-wrap .info-card {
    margin-bottom: 20px;
}

.admissions-info-wrap .info-card ul {
    padding-left: 20px;
    margin-top: 8px;
}

.admissions-info-wrap .info-card ul li {
    margin-bottom: 4px;
    color: var(--text-light);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
}

.contact-form-wrap h2,
.contact-info-wrap h2 {
    color: var(--primary);
    margin-bottom: 20px;
}

.contact-info-item {
    margin-bottom: 20px;
}

.contact-info-item h4 {
    color: var(--primary);
    margin-bottom: 5px;
}

/* Forms */
.form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--primary);
    font-size: 0.9rem;
}

.required {
    color: var(--error);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition);
    background: var(--white);
}

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

/* Info Cards */
.info-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent);
}

.info-card h3,
.info-card h4 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background: #e8f5e9;
    color: var(--success);
    border: 1px solid #c8e6c9;
}

.alert-error {
    background: #fce4e4;
    color: var(--error);
    border: 1px solid #f5c6c6;
}

/* Footer */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 50px 0 0;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-col h4 {
    color: var(--accent-light);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition);
}

.footer-col ul a:hover {
    color: var(--accent-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary);
        padding: 15px 20px;
        box-shadow: var(--shadow-lg);
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 5px;
    }

    .main-nav a {
        display: block;
        padding: 10px 16px;
    }

    .hero {
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .welcome-grid {
        grid-template-columns: 1fr;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .faculty-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid,
    .admissions-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .program-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .page-header {
        padding: 40px 20px;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .section {
        padding: 45px 0;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-cta-banner {
        padding: 40px 0;
    }

    .cta-banner-inner h2 {
        font-size: 1.5rem;
    }

    .btn-outline {
        margin-left: 0;
        margin-top: 10px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.6rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .card-body {
        padding: 20px;
    }

    .btn {
        padding: 10px 22px;
        font-size: 0.9rem;
    }
}