:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --accent-hover: #c0392b;
    --text-color: #333;
    --text-light: #ecf0f1;
    --bg-light: #f5f5f5;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    --transition: 0.3s ease;
    --container-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Header dan Navigation - DIPERBAIKI */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
    width: 100%;
    min-height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

nav {
    display: flex;
    justify-content: center;
    flex: 1;
    margin: 0 2rem;
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

nav ul li {
    position: relative;
    margin: 0 0.5rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 1rem 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--transition);
    white-space: nowrap;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--secondary-color);
}

nav ul li a i {
    font-size: 0.9rem;
}

/* Dropdown Menu - DIPERBAIKI */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    z-index: 1000;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    overflow: hidden;
}

.dropdown-content a {
    color: var(--text-color);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: background-color var(--transition);
}

.dropdown-content a:hover {
    background-color: #f8f9fa;
    color: var(--secondary-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.btn-signin {
    background-color: var(--accent-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-signin:hover {
    background-color: var(--accent-hover);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    padding: 0.5rem;
}

/* Banner Slideshow - DIPERBAIKI */
.banner-container {
    position: relative;
    height: 70vh;
    min-height: 500px;
    overflow: hidden;
    width: 100%;
}

.banner-slide {
    width: 100%;
    height: 100%;
    position: absolute;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-slide.active {
    opacity: 1;
}

.banner-content {
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 3rem;
    border-radius: 12px;
    max-width: 600px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    width: 90%;
    margin: 0 auto;
}

.banner-content h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    font-weight: 700;
}

.banner-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    line-height: 1.6;
    opacity: 0.9;
}

.banner-content .btn {
    background-color: var(--secondary-color);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.banner-content .btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.banner-navigation {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.banner-dot {
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
}

.banner-dot.active {
    background-color: var(--secondary-color);
    transform: scale(1.2);
    border-color: white;
}

.banner-dot:hover {
    background-color: white;
}

/* Stats Container - DIPERBAIKI */
.stats-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    max-width: var(--container-width);
    gap: 30px;
    padding: 4rem 2rem;
    margin: 0 auto;
}

.stat-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-radius: 16px;
    padding: 2rem;
    width: 280px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--secondary-color);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.1), transparent);
    transition: 0.6s;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-icon {
    color: var(--secondary-color);
    font-size: 3rem;
    transition: transform 0.4s ease;
    flex-shrink: 0;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
}

.stat-content {
    color: var(--text-color);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.stat-card:hover .stat-value {
    transform: scale(1.05);
}

.stat-label {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
}

.stat-card:hover .stat-label {
    color: var(--text-color);
}

/* Event Section - DIPERBAIKI */
.event-section {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    font-size: 2.5rem;
    color: var(--primary-color);
    position: relative;
    font-weight: 700;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.event-container {
    position: relative;
    max-width: var(--container-width);
    margin: 0 auto;
}

.event-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    justify-content: center;
}

.event-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
}

.event-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.event-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
    position: relative;
    overflow: hidden;
}

.event-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.2), rgba(231, 76, 60, 0.2));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.event-card:hover .event-image::before {
    opacity: 1;
}

.event-card:hover .event-image {
    transform: scale(1.1);
}

.event-details {
    padding: 2rem;
}

.event-date {
    font-size: 0.95rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.event-date::before {
    content: '\f073';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
}

.event-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    line-height: 1.3;
}

.event-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.event-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.event-link::after {
    content: '\f061';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    transition: transform 0.3s ease;
}

.event-link:hover {
    color: #2980b9;
    gap: 0.8rem;
}

.event-link:hover::after {
    transform: translateX(5px);
}

/* Footer - DIPERBAIKI */
footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e2833 100%);
    color: white;
    padding: 4rem 2rem 2rem;
    margin-top: auto;
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    position: relative;
    padding-bottom: 1rem;
    font-weight: 600;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.footer-section p {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.6;
}

.footer-section p i {
    margin-right: 12px;
    color: var(--secondary-color);
    width: 20px;
    text-align: center;
}

.footer-section address {
    font-style: normal;
}

.footer-section address a {
    color: var(--text-light);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-section address a:hover {
    color: var(--secondary-color);
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 1.5rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    background: rgba(255, 255, 255, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.3rem;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-icons a:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.3);
}

.copyright {
    margin-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* Responsive Design - DIPERBAIKI */
@media (max-width: 1024px) {
    .stats-container {
        gap: 20px;
        padding: 3rem 1rem;
    }
    
    .stat-card {
        width: 250px;
    }
    
    nav {
        margin: 0 1rem;
    }
}

@media (max-width: 768px) {
    header {
        padding: 0.8rem 1rem;
        flex-wrap: nowrap;
    }
    
    .logo img {
        height: 45px;
    }
    
    nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 300px;
        height: 100vh;
        background: var(--primary-color);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 0 30px;
        transition: left 0.4s ease;
        z-index: 1001;
        overflow-y: auto;
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
        margin: 0;
    }
    
    nav.active {
        left: 0;
    }
    
    nav ul {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
    }
    
    nav ul li {
        margin: 0;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    nav ul li a {
        padding: 18px 25px;
        width: 100%;
        justify-content: flex-start;
    }
    
    .dropdown-content {
        position: static;
        box-shadow: none;
        background-color: rgba(255, 255, 255, 0.1);
        display: none;
        width: 100%;
        min-width: auto;
        border-radius: 0;
        transform: none;
        left: auto;
    }
    
    .dropdown-content a {
        color: rgba(255, 255, 255, 0.8);
        padding: 15px 40px;
    }
    
    .dropdown-content a:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: white;
    }
    
    .dropdown.active .dropdown-content {
        display: block;
    }
    
    .mobile-menu-btn {
        display: block;
        z-index: 1002;
    }
    
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
    }
    
    .mobile-menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .btn-signin {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .banner-container {
        height: 60vh;
        min-height: 400px;
    }

    .banner-content {
        padding: 2rem 1.5rem;
        max-width: 90%;
    }

    .banner-content h2 {
        font-size: 2.2rem;
    }
    
    .banner-content p {
        font-size: 1.1rem;
    }

    .event-wrapper {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 2rem 1rem;
    }
    
    .stat-card {
        width: 100%;
        padding: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .banner-container {
        height: 50vh;
        min-height: 350px;
    }

    .banner-content {
        padding: 1.5rem;
    }

    .banner-content h2 {
        font-size: 1.8rem;
    }
    
    .banner-content p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .event-wrapper {
        grid-template-columns: 1fr;
    }
}

/* ==== Fallback hamburger/offcanvas (pastikan bekerja di semua halaman) ==== */
#mainNav{
  position: fixed; 
  left:0; 
  top:0; 
  bottom:0; 
  width:260px; 
  background:#1f3344;
  transform: translateX(-100%); 
  transition: transform .25s ease; 
  z-index:1000;
  padding-top:64px; /* beri ruang untuk header */
}
#mainNav.active{ 
    transform: translateX(0); 
}

.mobile-menu-btn{ 
    z-index:1100; 
}

.mobile-menu-overlay{
  position:fixed; 
  inset:0; 
  background:rgba(0,0,0,.35);
  opacity:0; 
  visibility:hidden; 
  transition:opacity .2s ease; z-index:999;
}
.mobile-menu-overlay.active{ 
  opacity:1; 
  visibility:visible; 
}

/* Pastikan nav desktop tetap tampil saat layar lebar */
@media(min-width:980px){
  #mainNav{ 
    position:static; 
    transform:none; 
    width:auto; 
    background:transparent; 
    padding-top:0; 
  }
  .mobile-menu-overlay{ 
    display:none !important; 
  }
}