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

/* Clean White Campus Design System with Visual Assets & Subtle Backgrounds */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --brand-dark: #0f172a;        /* Main Charcoal Text */
    --brand-slate: #1e293b;       /* Heading Slate */
    
    /* Subtle Accent Blue */
    --blue-accent: #0284c7;       /* Ocean Accent Blue */
    --blue-navy: #000165;         /* UAG Navy */
    --blue-soft-bg: #f0f9ff;      /* Light Blue Soft Tint */
    --blue-soft-border: #bae6fd;  /* Light Blue Border */
    
    --bg-page: #ffffff;
    --bg-subtle: #f8fafc;
    
    --text-dark: #0f172a;         /* Main Heading */
    --text-body: #334155;         /* Body Text */
    --text-muted: #64748b;        /* Subtitles & Meta */
    
    --border-color: #e2e8f0;
    --border-dark: #cbd5e1;
    
    --font-heading: 'Public Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --max-width: 1140px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-body);
    background-color: var(--bg-page);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--blue-accent);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--blue-navy);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Institutional Section Container with Subtle Pattern Support */
.section {
    padding: 75px 0;
    background-color: var(--bg-page);
    border-bottom: 1px solid var(--border-color);
}

.section-alt {
    background-color: var(--bg-subtle);
    background-image: url('../img/pattern.png');
    background-repeat: repeat;
    background-size: 300px 300px;
}

.section-header {
    margin-bottom: 40px;
    position: relative;
}

.section-header-title {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.5px;
    display: inline-block;
    position: relative;
    padding-bottom: 8px;
}

.section-header-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 3px;
    background-color: var(--blue-accent);
}

.section-header-subtitle {
    font-size: 1.02rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Academic Top Bar */
.academic-topbar {
    background-color: var(--bg-subtle);
    color: var(--text-muted);
    font-size: 0.82rem;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.academic-topbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.academic-topbar-links {
    display: flex;
    gap: 20px;
    list-style: none;
}

.academic-topbar-links a {
    color: var(--text-muted);
    font-weight: 500;
}

.academic-topbar-links a:hover {
    color: var(--blue-accent);
}

/* Campus Header */
header {
    background-color: #ffffff;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
    gap: 16px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 22px;
    align-items: center;
    white-space: nowrap;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-family: var(--font-heading);
    color: var(--text-body);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 8px 0;
    white-space: nowrap;
    display: inline-block;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--blue-navy);
    border-bottom: 2px solid var(--blue-accent);
}

.btn-spmb {
    background-color: var(--blue-navy) !important;
    color: #ffffff !important;
    padding: 8px 16px !important;
    border-radius: 4px;
    font-weight: 700 !important;
    border-bottom: none !important;
    white-space: nowrap !important;
    display: inline-block !important;
    line-height: 1.2 !important;
}

.btn-spmb:hover {
    background-color: var(--blue-accent) !important;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
}

/* Campus Hero Slider Section */
.hero-slider-container {
    position: relative;
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.slide-item {
    display: none;
    padding: 70px 0;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.slide-item.active {
    display: block;
    opacity: 1;
}

.slide-content-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.slide-image-box {
    width: 100%;
    height: 340px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

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

.hero-campus-tag {
    display: inline-block;
    background-color: var(--blue-soft-bg);
    color: var(--blue-accent);
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 3px;
    margin-bottom: 18px;
    border: 1px solid var(--blue-soft-border);
}

.hero-campus h1 {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.8px;
    color: var(--text-dark);
}

.hero-campus p {
    font-size: 1.1rem;
    color: var(--text-body);
    margin-bottom: 28px;
    line-height: 1.65;
}

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

.btn-hero-primary {
    background-color: var(--blue-navy);
    color: #ffffff;
    font-weight: 700;
    padding: 12px 26px;
    border-radius: 4px;
    font-size: 0.92rem;
}

.btn-hero-primary:hover {
    background-color: var(--blue-accent);
    color: #ffffff;
}

.btn-hero-secondary {
    background-color: #ffffff;
    color: var(--text-dark);
    border: 1px solid var(--border-color);
    font-weight: 600;
    padding: 12px 22px;
    border-radius: 4px;
    font-size: 0.92rem;
}

.btn-hero-secondary:hover {
    background-color: var(--bg-subtle);
    color: var(--text-dark);
}

/* Slider Controls */
.slider-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    z-index: 20;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
}

.slider-nav-btn:hover {
    background-color: var(--blue-navy);
    color: #ffffff;
    border-color: var(--blue-navy);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: -30px;
    margin-bottom: 25px;
    position: relative;
    z-index: 20;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-dark);
    cursor: pointer;
    transition: all 0.2s ease;
}

.slider-dot.active {
    background-color: var(--blue-navy);
    width: 28px;
    border-radius: 10px;
}

/* Quick Academic Stats Bar */
.campus-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: #ffffff;
    color: var(--text-dark);
    border-radius: 6px;
    padding: 24px;
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--blue-accent);
    margin-top: -30px;
    position: relative;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.stat-item {
    text-align: center;
    padding: 0 16px;
    border-right: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-right: none;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--blue-navy);
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

/* Sambutan Kaprodi Block with Portrait */
.welcome-block {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    align-items: center;
    background-color: #ffffff;
    padding: 32px;
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--blue-navy);
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.welcome-avatar {
    width: 100%;
    height: 280px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.welcome-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.welcome-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.welcome-subtitle {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--blue-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 18px;
}

/* Grid Layouts & Visual Feature Cards */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.visual-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.visual-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
    border-color: var(--border-dark);
}

.visual-card-img {
    width: 100%;
    height: 190px;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.visual-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.visual-card:hover .visual-card-img img {
    transform: scale(1.04);
}

.visual-card-body {
    padding: 24px;
}

.visual-card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.visual-card-body p {
    font-size: 0.93rem;
    color: var(--text-body);
    line-height: 1.6;
}

/* Academic Feature Box */
.academic-box {
    background-color: #ffffff;
    padding: 28px;
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--blue-accent);
    border-radius: 6px;
}

.academic-box-title {
    font-family: var(--font-heading);
    font-size: 1.18rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.academic-box p {
    font-size: 0.95rem;
    color: var(--text-body);
}

/* Prestasi Achievement Cards */
.prestasi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.prestasi-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.prestasi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
    border-color: var(--blue-soft-border);
}

.prestasi-card-img {
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.prestasi-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.prestasi-card:hover .prestasi-card-img img {
    transform: scale(1.06);
}

.prestasi-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(4px);
}

.prestasi-card-body {
    padding: 20px;
}

.prestasi-card-title {
    font-family: var(--font-heading);
    font-size: 1.02rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.35;
}

.prestasi-card-body p {
    font-size: 0.88rem;
    color: var(--text-body);
    line-height: 1.55;
}

/* News & Agenda Two Column Section */
.news-agenda-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.news-item {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.news-item:first-child {
    border-top: 1px solid var(--border-color);
}

.news-date-badge {
    background-color: var(--blue-soft-bg);
    border: 1px solid var(--blue-soft-border);
    text-align: center;
    padding: 8px;
    border-radius: 4px;
    height: fit-content;
}

.news-date-day {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--blue-navy);
    line-height: 1;
}

.news-date-month {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--blue-accent);
    text-transform: uppercase;
}

.news-content h4 {
    font-family: var(--font-heading);
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
    line-height: 1.4;
}

.news-content p {
    font-size: 0.9rem;
    color: var(--text-body);
}

/* Institutional Table */
.campus-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
}

.campus-table th {
    background-color: var(--bg-subtle);
    color: var(--text-dark);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 14px 18px;
    text-align: left;
    border-bottom: 2px solid var(--blue-accent);
}

.campus-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.92rem;
}

.campus-table tr:hover {
    background-color: var(--blue-soft-bg);
}

.btn-download-sm {
    background-color: var(--blue-navy);
    color: #ffffff;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 700;
    border-radius: 3px;
    display: inline-block;
}

.btn-download-sm:hover {
    background-color: var(--blue-accent);
    color: #ffffff;
}

/* Lecturers Roster */
.lecturer-row {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px 24px;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--blue-accent);
    border-radius: 6px;
    margin-bottom: 16px;
}

.lecturer-avatar-box {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background-color: var(--blue-soft-bg);
    color: var(--blue-navy);
    border: 1px solid var(--blue-soft-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.lecturer-info h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
}

.lecturer-info .role {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--blue-accent);
    text-transform: uppercase;
}

.lecturer-info .field {
    font-size: 0.88rem;
    color: var(--text-body);
}

/* Footer Kampus */
footer {
    background-color: #0f172a;
    color: #94a3b8;
    padding: 65px 0 25px;
    border-top: 1px solid #1e293b;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 36px;
    margin-bottom: 45px;
}

.footer-col-title {
    font-family: var(--font-heading);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--blue-accent);
    padding-bottom: 6px;
    display: inline-block;
}

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

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

.footer-links a {
    color: #cbd5e1;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid #1e293b;
    font-size: 0.85rem;
    color: #64748b;
}

/* Responsive */
@media (max-width: 992px) {
    .slide-content-grid {
        grid-template-columns: 1fr;
    }
    .slide-image-box {
        height: 240px;
    }
    .campus-stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 16px;
    }
    .welcome-block {
        grid-template-columns: 1fr;
    }
    .news-agenda-grid {
        grid-template-columns: 1fr;
    }
    .prestasi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero-campus h1 {
        font-size: 2rem;
    }
    .slider-nav-btn {
        display: none;
    }
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
    .prestasi-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .menu-toggle {
        display: flex;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background-color: #ffffff;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-top: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    }
    .nav-links.active {
        display: flex;
    }
}