/* Aegean University of Foreign Studies - Main Stylesheet */

/* CSS Variables */
:root {
    --primary-blue: #1a3a5c;
    --secondary-blue: #2c5282;
    --accent-gold: #c9a227;
    --light-gold: #f4e4bc;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-cream: #fdfcf7;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Serif', 'Georgia', serif;
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Sans', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary-blue);
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--secondary-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-gold);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-top {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.header-top .container {
    display: flex;
    justify-content: flex-end;
    gap: 1.5rem;
}

.header-top a {
    color: rgba(255, 255, 255, 0.9);
}

.header-main {
    padding: 1rem 0;
}

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

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

.logo-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
}

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

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

.logo-text .university-name-en {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-link {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--white);
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--light-gold);
}

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

/* Hero Section */
.hero {
    background: linear-gradient(rgba(26, 58, 92, 0.85), rgba(26, 58, 92, 0.9)),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,208C1248,224,1344,192,1392,176L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 3rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-gold);
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--primary-blue);
}

.btn-primary:hover {
    background: #b8911f;
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

/* Sections */
.section {
    padding: 5rem 0;
}

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

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

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-gold);
}

.section-header p {
    color: var(--text-light);
    max-width: 600px;
    margin: 1.5rem auto 0;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.card-text {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.card-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 2rem;
}

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

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

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

/* Programs Section */
.program-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.program-card:hover {
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-lg);
}

.program-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

.program-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.program-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* News Section */
.news-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

/* Compact news card without image */
.news-card-compact {
    border-top: 4px solid var(--accent-gold);
}

.news-card-compact .news-content {
    padding: 1.75rem;
}

.news-card-compact .news-title {
    font-size: 1.15rem;
    margin-bottom: 1rem;
}

.news-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-date {
    font-size: 0.85rem;
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.news-title {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.news-excerpt {
    color: var(--text-light);
    font-size: 0.9rem;
    flex: 1;
}

.news-link {
    margin-top: 1rem;
    font-weight: 600;
    color: var(--secondary-blue);
}

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

.about-content h2 {
    margin-bottom: 1.5rem;
}

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

.about-image {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 8px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.about-image::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border: 3px solid var(--accent-gold);
    border-radius: 50%;
    opacity: 0.3;
}

.about-image::after {
    content: 'ΑΠΞΣ';
    font-size: 4rem;
    color: var(--white);
    font-weight: 700;
    opacity: 0.9;
}

/* Features */
.features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-dark);
}

.feature-icon {
    color: var(--accent-gold);
    font-size: 1.25rem;
}

/* Footer */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-title {
    color: var(--accent-gold);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-gold);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 1rem;
}

.page-header p {
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb span {
    color: var(--accent-gold);
}

/* Content Pages */
.content-page {
    padding: 4rem 0;
}

.content-page .container {
    max-width: 900px;
}

.content-page h2 {
    margin: 2rem 0 1rem;
}

.content-page h3 {
    margin: 1.5rem 0 1rem;
}

.content-page ul, .content-page ol {
    margin: 1rem 0 1rem 2rem;
}

.content-page li {
    margin-bottom: 0.5rem;
}

/* Programs Page */
.program-detail {
    background: var(--white);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.program-detail h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-gold);
}

.course-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin: 1rem 0;
}

.course-item {
    background: var(--bg-light);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    border-left: 3px solid var(--accent-gold);
}

/* News Detail */
.news-detail {
    max-width: 800px;
    margin: 0 auto;
}

.news-detail-header {
    margin-bottom: 2rem;
}

.news-detail-date {
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.news-detail-title {
    font-size: 2.25rem;
    line-height: 1.3;
}

.news-detail-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
    border-radius: 8px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 4rem;
}

.news-detail-content {
    font-size: 1.1rem;
    line-height: 1.9;
}

.news-detail-content p {
    margin-bottom: 1.5rem;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-gold);
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--accent-gold);
    border-radius: 50%;
    transform: translateX(-5px);
}

.timeline-year {
    font-weight: 700;
    color: var(--primary-blue);
    font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-blue);
        padding: 1rem;
    }

    .nav.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
    }

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

    .hero-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .about-preview {
        grid-template-columns: 1fr;
    }

    .features-list {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .course-list {
        grid-template-columns: 1fr;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }