/* assets/css/style.css */
/* Modern and Premium Design System for LPPM Global Institute Portal */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #1e3a8a;          /* Deep Indigo */
    --primary-light: #3b82f6;    /* Bright Blue */
    --primary-dark: #0f172a;     /* Very Dark Slate */
    --secondary: #f59e0b;        /* Warm Amber */
    --secondary-dark: #d97706;   /* Dark Amber */
    --text-main: #334155;        /* Slate 700 */
    --text-muted: #64748b;       /* Slate 500 */
    --bg-light: #f8fafc;         /* Slate 50 */
    --bg-white: #ffffff;
    --border-color: #e2e8f0;     /* Slate 200 */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.06), 0 4px 6px -2px rgba(0,0,0,0.04);
    --shadow-premium: 0 20px 25px -5px rgba(30, 58, 138, 0.05), 0 10px 10px -5px rgba(30, 58, 138, 0.02);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    font-weight: 700;
    line-height: 1.25;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Glassmorphism Navigation */
.header-wrapper {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header-wrapper.scrolled {
    background: rgba(255, 255, 255, 0.95);
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 20px;
}

.brand-text h2 {
    font-size: 18px;
    margin: 0;
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.brand-text span {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    font-size: 15px;
    color: var(--primary-dark);
    padding: 6px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-light);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.btn-login {
    background-color: var(--primary);
    color: #fff !important;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid transparent;
}

.btn-login:hover {
    background-color: var(--primary-light);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background-color: var(--primary-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 58, 138, 0.9)), url('https://images.unsplash.com/photo-1524178232363-1fb2b075b655?q=80&w=1600&auto=format&fit=crop') no-repeat center center/cover;
    color: #fff;
    padding: 100px 0 140px;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--bg-light);
    clip-path: ellipse(70% 80% at 50% 100%);
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 10;
}

.hero-tag {
    display: inline-block;
    background: rgba(245, 158, 11, 0.2);
    color: var(--secondary);
    border: 1px solid rgba(245, 158, 11, 0.4);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    color: #fff;
    font-size: 48px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    max-width: 650px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--secondary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: #fff;
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 80px 0;
}

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

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 50px;
}

.section-header h2 {
    font-size: 32px;
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
    padding-bottom: 12px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--secondary);
    border-radius: 2px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 16px;
}

/* Stats / Info Counters */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: -60px;
    position: relative;
    z-index: 20;
}

.stat-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 30px 24px;
    text-align: center;
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 40px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* News Cards */
.grid-news {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition);
}

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

.news-image {
    height: 200px;
    overflow: hidden;
    position: relative;
    background-color: #f1f5f9;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-category {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    text-transform: uppercase;
}

.news-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.news-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
}

.news-title {
    font-size: 18px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-title a:hover {
    color: var(--primary-light);
}

.news-excerpt {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 20px;
    flex-grow: 1;
}

.news-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-more:hover {
    color: var(--primary-light);
}

/* Research & Abdimas Cards */
.grid-records {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.record-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.record-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.3);
}

.record-badge {
    align-self: flex-start;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-light);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 30px;
    margin-bottom: 16px;
}

.record-badge.abdimas {
    background: rgba(245, 158, 11, 0.1);
    color: var(--secondary-dark);
}

.record-title {
    font-size: 18px;
    margin-bottom: 8px;
}

.record-author {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
    font-weight: 500;
}

.record-abstract {
    font-size: 14px;
    color: var(--text-main);
    margin-bottom: 20px;
}

.record-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

.btn-download-sm {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    color: var(--primary-dark);
    padding: 6px 12px;
    border-radius: 4px;
    font-weight: 600;
}

.btn-download-sm:hover {
    background-color: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* Documents / Downloads table */
.table-wrapper {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.doc-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.doc-table th, .doc-table td {
    padding: 16px 24px;
}

.doc-table th {
    background-color: var(--bg-light);
    font-weight: 600;
    color: var(--primary-dark);
    border-bottom: 2px solid var(--border-color);
}

.doc-table td {
    border-bottom: 1px solid var(--border-color);
}

.doc-table tr:last-child td {
    border-bottom: none;
}

.doc-table tr:hover {
    background-color: rgba(241, 245, 249, 0.5);
}

.doc-title {
    font-weight: 600;
    color: var(--primary-dark);
}

.doc-desc {
    font-size: 13px;
    color: var(--text-muted);
}

/* Search and Filters */
.search-filter-bar {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.search-input-group {
    flex-grow: 1;
    position: relative;
}

.search-input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}

.search-input-group input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.filter-select {
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    font-family: inherit;
    font-size: 14px;
    background-color: var(--bg-white);
    color: var(--text-main);
    min-width: 180px;
    transition: var(--transition);
}

.filter-select:focus {
    border-color: var(--primary-light);
}

.btn-search {
    background-color: var(--primary);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
}

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

/* Detail View Layouts */
.detail-layout {
    display: grid;
    grid-template-columns: 8fr 4fr;
    gap: 40px;
}

.detail-main {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.detail-title {
    font-size: 30px;
    margin-bottom: 20px;
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-muted);
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.detail-content {
    font-size: 16px;
    line-height: 1.8;
}

.detail-content p {
    margin-bottom: 20px;
}

.detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background: var(--bg-white);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 18px;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 8px;
}

/* Contact Grid & Map */
.contact-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.contact-text p {
    font-size: 14px;
    color: var(--text-muted);
}

.map-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    height: 350px;
}

.map-card iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Footer Section */
.footer {
    background-color: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer h3, .footer h4 {
    color: #fff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 4fr 2fr 2fr 4fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo .brand-logo {
    background: var(--secondary);
    color: var(--primary-dark);
}

.footer-logo h3 {
    font-size: 20px;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 14px;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-contact h4 {
    font-size: 16px;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
}

.footer-contact p {
    font-size: 14px;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    flex-wrap: wrap;
    gap: 16px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.page-item {
    display: flex;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-main);
}

.page-link:hover, .page-item.active .page-link {
    background-color: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu.open {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        margin-top: -30px;
    }
    
    .grid-news {
        grid-template-columns: 1fr;
    }
    
    .grid-records {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar {
        padding: 12px 0;
    }
    
    .brand-logo {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .brand-text h2 {
        font-size: 15px;
    }
}