/* ========================================
   DESIGN 2: TRADITIONAL CORPORATE
   Mobile-First Approach
   Classic Academic School Design
   ======================================== */

/* === BASE & RESET === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Classic Academic Palette */
    --primary: #003d82;
    --primary-light: #0056b3;
    --secondary: #8b0000;
    --accent: #d4af37;
    --text-dark: #2c3e50;
    --text-medium: #34495e;
    --text-light: #7f8c8d;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #ecf0f1;
    --border-color: #dee2e6;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;

    /* Typography */
    --font-serif: Georgia, 'Times New Roman', serif;
    --font-sans: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

/* === TOP BAR === */
.top-bar {
    background: var(--primary);
    color: white;
    padding: var(--space-xs) 0;
    font-size: 0.875rem;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.top-bar-left {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.top-bar-left span {
    display: block;
}

.top-bar-right {
    display: flex;
    gap: var(--space-xs);
}

.social-icon {
    display: inline-block;
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-align: center;
    line-height: 30px;
    border-radius: 3px;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    transition: background 0.3s;
}

.social-icon:hover {
    background: var(--accent);
}

/* === NAVIGATION === */
.navbar {
    background: var(--bg-white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

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

.logo-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 2px solid var(--primary);
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s;
}

.nav-menu {
    position: fixed;
    top: 100px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    list-style: none;
    padding: var(--space-md);
    max-height: 0;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: max-height 0.3s ease;
}

.nav-menu.active {
    max-height: 600px;
}

.nav-menu li {
    margin-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.nav-menu li:last-child {
    border-bottom: none;
}

.nav-link {
    display: block;
    padding: var(--space-sm);
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.nav-link:hover {
    color: var(--primary);
    padding-left: var(--space-md);
}

.btn-apply {
    display: block;
    background: var(--secondary);
    color: white;
    padding: var(--space-sm) var(--space-md);
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-apply:hover {
    background: #a00000;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s;
    text-align: center;
}

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

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

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

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

.btn-full {
    width: 100%;
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: var(--space-2xl) var(--space-sm);
    text-align: center;
}

.hero-overlay {
    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 1200 600"><rect fill="rgba(255,255,255,0.05)" width="1200" height="600"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255,255,255,0.15);
    border: 2px solid rgba(255,255,255,0.3);
    padding: var(--space-xs) var(--space-md);
    border-radius: 50px;
    color: white;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.badge-icon {
    font-size: 1.25rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.95);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* === STATS BAR === */
.stats-bar {
    background: var(--bg-white);
    padding: var(--space-xl) 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    text-align: center;
}

.stat-item {
    padding: var(--space-md);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* === SECTIONS === */
section {
    padding: var(--space-2xl) 0;
}

.section-label {
    display: inline-block;
    color: var(--secondary);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.section-description {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.section-header-center {
    text-align: center;
    margin-bottom: var(--space-xl);
}

/* === ABOUT SECTION === */
.about {
    background: var(--bg-light);
}

.about-wrapper {
    display: grid;
    gap: var(--space-xl);
}

.about-left {
    text-align: left;
}

.about-right {
    display: grid;
    gap: var(--space-md);
}

.value-card {
    background: var(--bg-white);
    padding: var(--space-lg);
    border-left: 4px solid var(--primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.value-card h3 {
    font-family: var(--font-serif);
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.value-card p {
    color: var(--text-medium);
    line-height: 1.8;
}

.core-values {
    margin-top: var(--space-xl);
    padding: var(--space-xl);
    background: var(--bg-white);
    border-radius: 8px;
}

.core-values h3 {
    font-family: var(--font-serif);
    color: var(--primary);
    text-align: center;
    margin-bottom: var(--space-lg);
}

.values-grid {
    display: grid;
    gap: var(--space-md);
}

.value-item {
    padding: var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: 4px;
}

.value-item strong {
    display: block;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

.value-item p {
    color: var(--text-medium);
    font-size: 0.875rem;
}

/* === PROGRAMS SECTION === */
.programs {
    background: var(--bg-white);
}

.programs-grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.program-card {
    background: var(--bg-light);
    padding: var(--space-xl);
    border-radius: 8px;
    border: 2px solid var(--border-color);
    position: relative;
    transition: all 0.3s;
}

.program-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(0,61,130,0.1);
}

.program-card.featured {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.program-card.featured .program-icon,
.program-card.featured h3,
.program-card.featured .program-score,
.program-card.featured .program-list li,
.program-card.featured .program-footer p {
    color: white;
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: var(--space-md);
    background: var(--accent);
    color: var(--text-dark);
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.program-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.program-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.program-score {
    display: inline-block;
    background: rgba(0,61,130,0.1);
    color: var(--primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.program-card.featured .program-score {
    background: rgba(255,255,255,0.2);
    color: white;
}

.program-list {
    list-style: none;
    margin-bottom: var(--space-md);
}

.program-list li {
    padding: var(--space-xs) 0 var(--space-xs) var(--space-lg);
    position: relative;
    color: var(--text-medium);
}

.program-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.program-card.featured .program-list li::before {
    color: var(--accent);
}

.program-footer {
    padding-top: var(--space-md);
    border-top: 2px solid var(--border-color);
}

.program-card.featured .program-footer {
    border-top-color: rgba(255,255,255,0.2);
}

.program-footer p {
    color: var(--primary);
    font-weight: 600;
}

.curriculum-info {
    background: var(--bg-light);
    padding: var(--space-xl);
    border-radius: 8px;
}

.curriculum-info h3 {
    font-family: var(--font-serif);
    color: var(--primary);
    text-align: center;
    margin-bottom: var(--space-lg);
}

.curriculum-grid {
    display: grid;
    gap: var(--space-md);
}

.curriculum-item {
    background: var(--bg-white);
    padding: var(--space-md);
    border-left: 4px solid var(--accent);
}

.curriculum-item strong {
    display: block;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

.curriculum-item p {
    color: var(--text-medium);
    font-size: 0.875rem;
}

/* === ACHIEVEMENTS === */
.achievements {
    background: var(--bg-light);
}

.achievement-cards {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.achievement-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    padding: var(--space-xl);
    border-radius: 8px;
    text-align: center;
}

.achievement-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.achievement-card p {
    font-size: 0.875rem;
    opacity: 0.9;
}

.universities {
    background: var(--bg-white);
    padding: var(--space-xl);
    border-radius: 8px;
}

.universities h3 {
    font-family: var(--font-serif);
    color: var(--primary);
    text-align: center;
    margin-bottom: var(--space-lg);
}

.university-list {
    display: grid;
    gap: var(--space-sm);
}

.university-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--bg-light);
    border-left: 3px solid var(--primary);
}

.university-name {
    font-weight: 600;
    color: var(--text-dark);
}

.university-count {
    color: var(--primary);
    font-weight: 700;
    font-size: 0.875rem;
}

/* === FACULTY === */
.faculty {
    background: var(--bg-white);
}

.faculty-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.faculty-stat {
    background: var(--primary);
    color: white;
    padding: var(--space-lg);
    border-radius: 8px;
    text-align: center;
}

.faculty-stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.faculty-stat p {
    font-size: 0.875rem;
    opacity: 0.9;
}

.info-box {
    background: var(--bg-light);
    padding: var(--space-xl);
    border-left: 4px solid var(--secondary);
    border-radius: 4px;
}

.info-box h3 {
    font-family: var(--font-serif);
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.info-box ul {
    list-style: none;
}

.info-box li {
    padding: var(--space-xs) 0 var(--space-xs) var(--space-lg);
    position: relative;
    color: var(--text-medium);
}

.info-box li::before {
    content: "►";
    position: absolute;
    left: 0;
    color: var(--secondary);
}

/* === ADMISSIONS === */
.admissions {
    background: var(--bg-light);
}

.admission-steps {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.step-arrow {
    display: none;
}

.step-item {
    background: var(--bg-white);
    padding: var(--space-lg);
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.step-item h3 {
    font-family: var(--font-serif);
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.step-item p {
    color: var(--text-medium);
}

.admission-info-grid {
    display: grid;
    gap: var(--space-md);
}

.admission-info-card {
    background: var(--bg-white);
    padding: var(--space-xl);
    border-radius: 8px;
}

.admission-info-card h3 {
    font-family: var(--font-serif);
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.date-list {
    list-style: none;
}

.date-list li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.date-list li:last-child {
    border-bottom: none;
}

.date-list strong {
    color: var(--primary);
}

.admission-info-card.highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    text-align: center;
}

.admission-info-card.highlight h3 {
    color: white;
}

.tuition-amount {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    margin: var(--space-md) 0;
}

.tuition-note {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-top: var(--space-xs);
}

/* === CONTACT === */
.contact {
    background: var(--bg-white);
}

.contact-wrapper {
    display: grid;
    gap: var(--space-xl);
}

.contact-info-card,
.contact-form-card {
    background: var(--bg-light);
    padding: var(--space-xl);
    border-radius: 8px;
}

.contact-info-card h3,
.contact-form-card h3 {
    font-family: var(--font-serif);
    color: var(--primary);
    margin-bottom: var(--space-lg);
}

.contact-detail {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-detail strong {
    display: block;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

.contact-detail p {
    color: var(--text-medium);
    line-height: 1.8;
}

.contact-form .form-row {
    margin-bottom: var(--space-md);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* === FOOTER === */
.footer {
    background: var(--text-dark);
    color: rgba(255,255,255,0.8);
    padding: var(--space-2xl) 0 var(--space-md);
}

.footer-top {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

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

.footer-logo h4 {
    color: white;
}

.footer-column h4 {
    color: white;
    margin-bottom: var(--space-md);
    font-family: var(--font-serif);
}

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

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.875rem;
}

.back-link {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.875rem;
}

.back-link:hover {
    color: white;
}

/* ========================================
   TABLET RESPONSIVE (768px+)
   ======================================== */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }

    .menu-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        display: flex;
        background: none;
        padding: 0;
        max-height: none;
        box-shadow: none;
        gap: var(--space-sm);
    }

    .nav-menu li {
        margin-bottom: 0;
        border-bottom: none;
    }

    .nav-link:hover {
        padding-left: var(--space-sm);
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .about-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .programs-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .achievement-cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .faculty-stats {
        grid-template-columns: repeat(4, 1fr);
    }

    .admission-steps {
        grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
        align-items: center;
    }

    .step-arrow {
        display: block;
        color: var(--primary);
        font-size: 1.5rem;
        font-weight: 700;
    }

    .admission-info-grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .footer-top {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* ========================================
   DESKTOP RESPONSIVE (1024px+)
   ======================================== */
@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

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

    .curriculum-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}