/* Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #DC2626;
    --secondary-color: #991B1B;
    --dark-color: #1F2937;
    --light-color: #F3F4F6;
    --white: #FFFFFF;
    --text-color: #374151;
    --border-color: #E5E7EB;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Top Bar */
.top-bar {
    background: var(--dark-color);
    color: var(--white);
    padding: 0.5rem 0;
    font-size: 0.9rem;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-left a,
.top-right a {
    color: var(--white);
    text-decoration: none;
    margin-right: 1.5rem;
    transition: color 0.3s;
}

.top-left a:hover,
.top-right a:hover {
    color: var(--primary-color);
}

.login-btn {
    background: var(--primary-color);
    padding: 0.3rem 1rem;
    border-radius: 5px;
    margin-right: 0 !important;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 999;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    height: 60px;
    width: auto;
}

.logo-text h1 {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 700;
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.9rem;
    color: var(--dark-color);
    font-weight: 600;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--dark-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: all 0.3s;
    border-radius: 5px;
    font-weight: 500;
}

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

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    min-width: 200px;
    border-radius: 5px;
    overflow: hidden;
    margin-top: 0.5rem;
    z-index: 1000;
}

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

.dropdown-content a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: background 0.3s;
}

.dropdown-content a:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

.mobile-nav {
    display: none;
    flex-direction: column;
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 140px;
    left: 0;
    right: 0;
    z-index: 998;
    padding: 1rem;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav .nav-link {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

/* Hero Slider */
.hero-slider {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    margin-top: 0;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 1;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

.slide-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover !important;
    background-position: center !important;
}

.slide-content {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 3;
    padding: 2rem;
}

.slide-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-subtitle {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.slide-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(220, 38, 38, 0.3);
}

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

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

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    color: var(--white);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    z-index: 10;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.slider-nav:hover {
    background: rgba(255, 255, 255, 0.5);
}

.slider-nav.prev {
    left: 2rem;
}

.slider-nav.next {
    right: 2rem;
}

.slider-indicators {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 10;
}

.indicator {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.indicator.active {
    background: var(--white);
    width: 40px;
    border-radius: 10px;
}

/* Quick Info */
.quick-info {
    padding: 3rem 0;
    background: var(--primary-color);
    color: var(--white);
}

.quick-info .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s;
}

.info-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.info-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.info-card p {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Section */
.section {
    padding: 4rem 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-color);
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.news-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 1.5rem;
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-color);
}

.news-content h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.news-content p {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.read-more:hover {
    color: var(--secondary-color);
}

/* Kegiatan Grid */
.kegiatan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.kegiatan-card {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary-color);
    transition: all 0.3s;
}

.kegiatan-card:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.kegiatan-date {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.kegiatan-card h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.kegiatan-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--text-color);
}

.kegiatan-info i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* Pengurus Grid */
.pengurus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.pengurus-card {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.pengurus-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.pengurus-img {
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 5px solid var(--primary-color);
}

.pengurus-img i {
    font-size: 5rem;
    color: var(--primary-color);
}

.pengurus-card h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.jabatan {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.gelar {
    color: var(--text-color);
    font-size: 0.9rem;
}

/* Cabang Grid */
.cabang-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.cabang-card {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.cabang-card:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.cabang-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cabang-card h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.cabang-card p {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.btn-sm {
    padding: 0.5rem 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    transition: all 0.3s;
}

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

/* Publikasi Grid */
.publikasi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.publikasi-card {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.publikasi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.publikasi-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.publikasi-card h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.publikasi-card p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.btn-download {
    padding: 0.5rem 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    transition: all 0.3s;
}

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

.btn-download i {
    font-size: 1rem;
    margin-right: 0.5rem;
}

/* Membership Grid */
.membership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.membership-card {
    background: var(--white);
    border-radius: 10px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    border-top: 5px solid var(--primary-color);
    transition: all 0.3s;
}

.membership-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.membership-card i {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.membership-card h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.membership-card p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

/* Galeri Grid */
.galeri-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.galeri-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.3s;
}

.galeri-item:hover {
    transform: scale(1.05);
}

.galeri-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.galeri-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.galeri-item:hover .galeri-overlay {
    transform: translateY(0);
}

.galeri-overlay h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.galeri-overlay p {
    font-size: 0.9rem;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

.contact-item h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-color);
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-form h3 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form button {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.contact-form button:hover {
    background: var(--secondary-color);
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 60px;
}

.footer-logo h3 {
    font-size: 1.2rem;
    line-height: 1.3;
}

.footer-col h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.footer-col li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 992px) {
    .main-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .slide-title {
        font-size: 2rem;
    }

    .slide-subtitle {
        font-size: 1.2rem;
    }

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

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

@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        text-align: center;
    }

    .top-left,
    .top-right {
        margin: 0.25rem 0;
    }

    .hero-slider {
        height: 500px;
    }

    .slide-title {
        font-size: 1.8rem;
    }

    .slide-subtitle {
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

    .slider-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .slider-nav.prev {
        left: 1rem;
    }

    .slider-nav.next {
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 50px;
    }

    .logo-text h1 {
        font-size: 1rem;
    }

    .hero-slider {
        height: 400px;
    }

    .slide-title {
        font-size: 1.5rem;
    }

    .slide-subtitle {
        font-size: 0.9rem;
    }
}

/* ==================== KEANGGOTAAN ==================== */
.keanggotaan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.keanggotaan-card {
    background: var(--white);
    border-radius: 10px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border-top: 4px solid var(--primary-color);
}

.keanggotaan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.keanggotaan-card i {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: block;
}

.keanggotaan-card h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.keanggotaan-card p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.keanggotaan-card .btn-primary {
    padding: 0.75rem 2rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    transition: all 0.3s;
    font-weight: 600;
}

.keanggotaan-card .btn-primary:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
}

/* Responsive Keanggotaan */
@media (max-width: 768px) {
    .keanggotaan-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .keanggotaan-card {
        padding: 2rem;
    }
}