/* Reset dan Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    color: #1e3c72;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #2a5298;
    transform: translateY(-2px);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #1e3c72, #2a5298);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    margin-top: 70px;
    padding: 80px 20px;
    text-align: center;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    100% { transform: translateY(-100px) rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #fff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-image {
    width: 100%;
    max-width: 600px;
    height: 300px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin-top: 20px;
    transition: transform 0.3s ease;
}

.hero-image:hover {
    transform: scale(1.05);
}

/* Main Content */
.main-content {
    background: white;
    padding: 80px 0;
    position: relative;
}

.main-content::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(135deg, #2a5298 0%, white 100%);
    transform: skewY(-2deg);
}

.content-article {
    position: relative;
    z-index: 2;
    background: white;
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.1);
    margin-top: 40px;
}

.content-article h2 {
    font-size: 2.5rem;
    color: #1e3c72;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.content-article h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #1e3c72, #2a5298);
    border-radius: 2px;
}

.content-article h3 {
    font-size: 1.8rem;
    color: #2a5298;
    margin: 40px 0 20px 0;
    position: relative;
    padding-left: 20px;
}

.content-article h3::before {
    content: '⚽';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.2rem;
}

.content-article p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: justify;
}

.content-article a {
    color: #2a5298;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.content-article a:hover {
    border-bottom-color: #2a5298;
    background: linear-gradient(45deg, rgba(30, 60, 114, 0.1), rgba(42, 82, 152, 0.1));
    padding: 2px 4px;
    border-radius: 4px;
}

.content-image {
    width: 100%;
    max-width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    margin: 30px 0;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.content-image:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

/* Keywords Section */
.keywords-section {
    margin-top: 50px;
    padding: 40px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    border: 2px solid #dee2e6;
}

.keywords-section h3 {
    text-align: center;
    color: #1e3c72;
    margin-bottom: 30px;
    font-size: 2rem;
}

.keywords-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.keyword-item {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-left: 4px solid #2a5298;
}

.keyword-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.keyword-item h4 {
    color: #1e3c72;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.keyword-item p {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 80px 0;
    position: relative;
}

.contact-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: center;
}

.contact-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.contact-item h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 10px;
}

.social-icons a {
    font-size: 2rem;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.social-icons a:hover {
    transform: scale(1.2);
}

/* Footer */
footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-section h3 {
    color: #2a5298;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2a5298;
}

.footer-bottom {
    border-top: 1px solid #333;
    margin-top: 40px;
    padding-top: 20px;
    text-align: center;
    color: #999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .content-article {
        padding: 30px 20px;
    }
    
    .content-article h2 {
        font-size: 2rem;
    }
    
    .content-article h3 {
        font-size: 1.5rem;
    }
    
    .keywords-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 10px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .content-article {
        padding: 20px 15px;
    }
    
    .contact-section {
        padding: 60px 0;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-in forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.slide-up {
    transform: translateY(30px);
    opacity: 0;
    animation: slideUp 0.8s ease-out forwards;
}

@keyframes slideUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.hidden {
    display: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #1e3c72, #2a5298);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #2a5298, #1e3c72);
}

/* Print Styles */
@media print {
    .navbar, .contact-section, footer {
        display: none;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .hero {
        margin-top: 0;
    }
}