css
/* ==========================================================
   STYLE.CSS - LENGKAP UNTUK WEBSITE
   ========================================================== */

/* ===== 1. RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: #1a1a2e;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===== 2. TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: #1a1a2e;
}

h1 { font-size: 2.5rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p {
    margin-bottom: 1rem;
    color: #4a4a6a;
}

a {
    color: #e94560;
    text-decoration: none;
    transition: 0.3s ease;
}

a:hover {
    color: #c73a52;
}

/* ===== 3. CONTAINER ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 4. HEADER ===== */
.header {
    background: #1a1a2e;
    color: #ffffff;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo span {
    color: #e94560;
}

.logo:hover {
    color: #ffffff;
}

/* ===== 5. NAVIGATION ===== */
.menu {
    list-style: none;
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.menu li a {
    display: block;
    padding: 10px 18px;
    color: #ffffff;
    font-weight: 500;
    border-radius: 8px;
    transition: 0.3s;
}

.menu li a:hover {
    background: #e94560;
    color: #ffffff;
    transform: translateY(-2px);
}

.menu li a.active {
    background: #e94560;
    color: #ffffff;
}

/* ===== 6. BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 600;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
    text-align: center;
}

.btn-primary {
    background: #e94560;
    color: #ffffff;
}

.btn-primary:hover {
    background: #c73a52;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(233, 69, 96, 0.3);
}

.btn-secondary {
    background: #1a1a2e;
    color: #ffffff;
}

.btn-secondary:hover {
    background: #2a2a4e;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #e94560;
    border: 2px solid #e94560;
}

.btn-outline:hover {
    background: #e94560;
    color: #ffffff;
}

/* ===== 7. HERO ===== */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #2a2a4e 100%);
    color: #ffffff;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    color: #ffffff;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.3rem;
    color: #c0c0e0;
    max-width: 700px;
    margin: 0 auto 30px;
}

/* ===== 8. CONTENT ===== */
.content {
    padding: 60px 0;
}

.content-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
}

.content-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.content-header p {
    font-size: 1.2rem;
    color: #6a6a8a;
}

/* ===== 9. GRID ===== */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

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

/* ===== 10. CARD ===== */
.card {
    background: #ffffff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    transition: 0.3s;
    border: 1px solid #f0f0f5;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.card h3 {
    margin-bottom: 10px;
}

.card p {
    color: #6a6a8a;
}

/* ===== 11. FORM ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    color: #1a1a2e;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 2px solid #e0e0e8;
    border-radius: 8px;
    background: #ffffff;
    transition: 0.3s;
    color: #1a1a2e;
}

.form-control:focus {
    outline: none;
    border-color: #e94560;
    box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* ===== 12. TABLE ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.table th {
    background: #1a1a2e;
    color: #ffffff;
    padding: 14px 18px;
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: 12px 18px;
    border-bottom: 1px solid #f0f0f5;
}

.table tr:hover {
    background: #f8f8fc;
}

/* ===== 13. ALERT ===== */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
    border-left: 5px solid;
}

.alert-success {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border-color: #ffc107;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border-color: #17a2b8;
    color: #0c5460;
}

/* ===== 14. FOOTER ===== */
.footer {
    background: #1a1a2e;
    color: #ffffff;
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer a {
    color: #e94560;
}

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

.footer .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-col h4 {
    color: #ffffff;
    margin-bottom: 15px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    padding: 5px 0;
}

.footer-col ul li a {
    color: #a0a0c0;
    transition: 0.3s;
}

.footer-col ul li a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    margin-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #a0a0c0;
    font-size: 14px;
}

/* ===== 15. RESPONSIVE ===== */
@media (max-width: 992px) {
    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .menu {
        justify-content: center;
    }
    
    .menu li a {
        padding: 8px 14px;
        font-size: 14px;
    }
    
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .content-header h1 {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .menu {
        flex-direction: column;
        align-items: center;
        gap: 5px;
    }
    
    .menu li a {
        width: 100%;
        text-align: center;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .content {
        padding: 30px 0;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
}

/* ===== 16. UTILITY ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

.p-20 { padding: 20px; }
.p-40 { padding: 40px; }

.bg-light { background: #f8f8fc; }
.bg-dark { background: #1a1a2e; color: #ffffff; }
.bg-primary { background: #e94560; color: #ffffff; }

.text-white { color: #ffffff; }
.text-primary { color: #e94560; }
.text-muted { color: #6a6a8a; }

.fade-in {
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}