/* Genel Ayarlar */
:root {
    --primary-color: #0044cc;
    /* Erciyes Mavisi */
    --secondary-color: #ff9f1c;
    /* Enerji Turuncusu */
    --dark-bg: #0f172a;
    --light-bg: #f8f9fa;
    --text-color: #333;
    --white: #ffffff;
    --gray: #64748b;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo a {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-bg);
}

.logo .dot {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-color);
    transition: var(--transition);
}

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

.btn-login {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: 50px;
}

.btn-login:hover {
    background-color: #003399;
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 20, 60, 0.7), rgba(0, 20, 60, 0.8)), url('https://images.unsplash.com/photo-1541339907198-e08756dedf3f?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80');
    /* Temsili üniversite görseli */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding-top: 70px;
}

.hero-content h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 68, 204, 0.3);
}

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

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

/* Announcements */
.announcements-section {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 30px 0;
}

.announcement-box {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 15px;
}

.announcement-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.announcement-item .date {
    background: var(--secondary-color);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    min-width: 80px;
    text-align: center;
}

/* Bölümler / Departments */
.departments-section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--dark-bg);
}

.section-title .line {
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 15px auto;
    border-radius: 2px;
}

.dept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.dept-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid #eee;
}

.dept-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.icon-box {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 68, 204, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.dept-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.dept-card p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.status {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 20px;
}

.status.available {
    background-color: #dcfce7;
    color: #166534;
}

.status.coming-soon {
    background-color: #f1f5f9;
    color: #64748b;
}

.dept-card.disabled {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

/* Vision Section */
.vision-section {
    padding: 100px 0;
    background-color: var(--dark-bg);
    color: var(--white);
    text-align: center;
    background-image: url('https://www.transparenttextures.com/patterns/circuit-board.png');
    /* Devre kartı deseni */
}

.vision-content blockquote {
    font-size: 1.8rem;
    font-family: 'Poppins', sans-serif;
    font-style: italic;
    margin: 30px 0;
    color: var(--secondary-color);
}

.vision-content p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: #cbd5e1;
}

/* Footer */
footer {
    background-color: #fff;
    padding: 60px 0 20px;
    border-top: 1px solid #eee;
}

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

.footer-col h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.footer-col h4 {
    margin-bottom: 20px;
    color: var(--dark-bg);
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--gray);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #eee;
    color: var(--gray);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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