/* Global CSS untuk Jurnal STIKES BBM */

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

:root {
    --primary: #0D47A1;
    --primary-light: #1565C0;
    --primary-dark: #0a2e5c;
    --secondary: #1976D2;
    --accent: #42A5F5;
    --text-dark: #212121;
    --text-light: #666666;
    --bg-light: #F5F7FA;
    --border: #E0E0E0;
    --success: #4CAF50;
    --warning: #FF9800;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
}

/* Header & Navigation */
header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(13, 71, 161, 0.15);
}

.header-top {
    background-color: rgba(0, 0, 0, 0.1);
    padding: 10px 0;
    font-size: 13px;
    text-align: center;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: white;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 24px;
}

.logo-text h1 {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.logo-text p {
    font-size: 12px;
    opacity: 0.9;
    margin: 2px 0 0 0;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: opacity 0.3s ease;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
}

nav a:hover {
    opacity: 0.8;
    border-bottom-color: var(--accent);
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: white;
    padding: 50px 20px 20px;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 15px;
    font-weight: 700;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-section p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .header-main {
        flex-direction: column;
        gap: 15px;
    }

    nav ul {
        flex-direction: column;
        gap: 15px;
    }

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

/* Accessibility */
a:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

button:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    header, footer, nav {
        display: none;
    }
}