/* ============================================
   Rate My Professor Lebanon - Main Stylesheet
   ============================================ */

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    
    /* Neutral Colors */
    --dark: #1f2937;
    --gray-dark: #4b5563;
    --gray: #6b7280;
    --gray-light: #d1d5db;
    --light: #f3f4f6;
    --white: #ffffff;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
}

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

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

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

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Navigation Bar ===== */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand a {
    display: block;
    color: inherit !important;
    font-size: inherit !important;
    font-weight: inherit !important;
    font-family: inherit !important;
}

.nav-brand i {
    margin-right: var(--spacing-xs);
}

/* Brutalist Bold Logo */
.logo-link {
    display: inline-block;
    text-decoration: none;
}

.logo-brutalist {
    display: flex;
    flex-direction: column;
    line-height: 1;
    padding: 4px 0;
    transition: transform 0.3s ease;
}

.logo-brutalist:hover {
    transform: scale(1.03);
}

.logo-main {
    font-family: 'Alfa Slab One', Georgia, serif !important;
    font-size: 1.6rem !important;
    color: #1a1a1a !important;
    letter-spacing: -0.5px !important;
    line-height: 1 !important;
    text-transform: uppercase !important;
    display: block !important;
    text-decoration: none !important;
    font-weight: 400 !important;
}

.logo-q {
    color: #c0392b !important;
    font-family: 'Alfa Slab One', Georgia, serif !important;
}

.logo-tagline {
    font-size: 0.55rem !important;
    letter-spacing: 4px !important;
    color: #c0392b !important;
    text-transform: uppercase !important;
    display: block !important;
    margin-top: 4px !important;
    font-weight: 700 !important;
    font-family: Arial, sans-serif !important;
}

.logo-link:hover .logo-main {
    color: #c0392b !important;
}

.logo-link:hover .logo-q {
    color: #1a1a1a !important;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--dark);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-menu a:hover {
    background-color: var(--light);
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

/* ===== Search Bar ===== */
.search-container {
    max-width: 700px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    gap: var(--spacing-sm);
    background-color: var(--white);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.search-input {
    flex: 1;
    padding: var(--spacing-sm);
    border: none;
    font-size: 1rem;
    outline: none;
}

.search-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.search-btn:hover {
    background-color: var(--primary-dark);
}

/* ===== Sections ===== */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--dark);
}

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

/* ===== University Grid ===== */
.university-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.university-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.university-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.university-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

/* Homepage University Logo */
.university-logo-home {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.university-logo-home img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.university-card:hover .university-logo-home {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.university-card:hover .university-logo-home img {
    transform: scale(1.1);
}

/* University Logo Styles */
.university-logo-container {
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    background: white;
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.university-logo-img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.university-card-large:hover .university-logo-img {
    transform: scale(1.08);
}

.university-card-large:hover .university-logo-container {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.university-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.location {
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

.review-count {
    color: var(--gray-dark);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

/* ===== Professor Grid ===== */
.professor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.professor-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}

.professor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.professor-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.professor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.default-avatar {
    font-size: 4rem;
    color: var(--gray-light);
}

.professor-info {
    padding: var(--spacing-md);
}

.professor-info h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.university-name {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

/* ===== Rating Display ===== */
.rating-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.rating-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stars {
    color: var(--warning-color);
}

.stars i {
    margin-right: 2px;
}

.review-count {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ===== Buttons ===== */
.btn-primary,
.btn-secondary,
.btn-danger,
.btn-large {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #059669;
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white);
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-large {
    font-size: 1.25rem;
    padding: var(--spacing-md) var(--spacing-xl);
}

/* ===== Statistics Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-card h3 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.stat-card p {
    color: var(--gray);
    font-size: 1rem;
}

/* ===== Call to Action ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

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

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

.cta-content .btn-large {
    background-color: var(--white);
    color: var(--primary-color);
}

.cta-content .btn-large:hover {
    background-color: var(--light);
}

/* ===== Alerts/Messages ===== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-section h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.footer-section p,
.footer-section ul li {
    color: var(--gray-light);
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--gray-light);
}

.footer-section a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--gray-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
}

/* ===== University Detail Page Logo ===== */
.university-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.university-logo-detail {
    width: 150px;
    height: 150px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 15px;
    padding: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.university-logo-detail img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.university-info h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.university-info .location,
.university-info .website {
    margin: 0.5rem 0;
    color: var(--gray);
}

.university-info .website a {
    color: var(--primary-color);
    font-weight: 600;
}

.university-info .website a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .university-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .university-logo-detail {
        width: 120px;
        height: 120px;
    }
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-dark);
    color: var(--gray-light);
}

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }