/* css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;600;700&display=swap');

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #10b981;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Plus Jakarta Sans', sans-serif; }

body { background-color: var(--light); color: var(--dark); display: flex; flex-direction: column; min-height: 100vh; }

/* -- NAVBAR -- */
nav { display: flex; justify-content: space-between; align-items: center; padding: 20px 5%; background-color: #fff; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; }
.logo { font-size: 26px; font-weight: 700; color: var(--primary); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.menu { display: flex; align-items: center; gap: 30px; }
.menu a { text-decoration: none; color: var(--gray); font-weight: 600; transition: color 0.3s; }
.menu a:hover, .menu a.active { color: var(--primary); }

/* -- BUTTONS -- */
.btn { display: inline-block; padding: 12px 28px; border-radius: 8px; font-weight: 600; text-decoration: none; transition: all 0.3s; cursor: pointer; border: none; }
.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-2px); }
.btn-secondary { background-color: var(--secondary); color: white; }
.btn-secondary:hover { background-color: #059669; transform: translateY(-2px); }

/* -- HERO SECTION (HOME) -- */
.hero { text-align: center; padding: 120px 20px; background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%); }
.hero h1 { font-size: 48px; color: var(--dark); margin-bottom: 20px; line-height: 1.2; }
.hero h1 span { color: var(--primary); }
.hero p { font-size: 18px; color: var(--gray); max-width: 600px; margin: 0 auto 30px; line-height: 1.6; }

/* -- THEME SHOWCASE -- */
.theme-showcase { margin: 40px 0 60px; }
.theme-card { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 0; border-radius: 24px; overflow: hidden; box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12); background: #fff; border: 1px solid #e2e8f0; }
.theme-preview { min-height: 320px; background: linear-gradient(135deg, rgba(15,23,42,0.85), rgba(37,99,235,0.75)), url('https://images.unsplash.com/photo-1519225421980-715cb0215aed?auto=format&fit=crop&w=1000&q=80') center/cover; display: flex; align-items: flex-end; }
.theme-preview-overlay { padding: 28px; color: white; }
.theme-badge { display: inline-block; padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,0.16); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 12px; }
.theme-preview h3 { font-size: 28px; margin-bottom: 8px; }
.theme-preview p { line-height: 1.6; max-width: 320px; }
.theme-content { padding: 30px; display: flex; flex-direction: column; justify-content: center; }
.theme-content h3 { font-size: 24px; margin-bottom: 10px; color: var(--dark); }
.theme-content p { color: var(--gray); line-height: 1.7; margin-bottom: 20px; }

/* -- CONTAINER UMUM -- */
.container { max-width: 1200px; margin: 60px auto; padding: 0 5%; flex-grow: 1; }
.page-title { text-align: center; margin-bottom: 12px; font-size: 36px; }
.page-subtitle { text-align: center; color: var(--gray); margin-bottom: 40px; max-width: 700px; margin-left: auto; margin-right: auto; line-height: 1.7; }

/* -- GRID TEMPLATE & TESTIMONI -- */
.grid-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05); border: 1px solid #e2e8f0; transition: transform 0.3s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1); }
.card-img-placeholder { height: 350px; background-color: #cbd5e1; display: flex; justify-content: center; align-items: center; color: var(--gray); font-weight: bold; overflow: hidden; }
.card-img-placeholder img { width: 100%; height: 100%; object-fit: cover; }
.card-content { padding: 25px; }
.card-content h3 { font-size: 22px; margin-bottom: 10px; }
.card-content p { color: var(--gray); margin-bottom: 20px; line-height: 1.5; font-size: 15px; }
.card-actions { display: flex; gap: 10px; }
.card-actions .btn { padding: 10px 15px; font-size: 14px; flex: 1; text-align: center; }

/* -- KONTAK FORM -- */
.contact-wrapper { max-width: 700px; margin: 0 auto; background: #fff; padding: 40px; border-radius: 16px; box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; }
.form-group input, .form-group textarea { width: 100%; padding: 12px; border: 1px solid #cbd5e1; border-radius: 8px; outline: none; transition: border 0.3s; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.message-box { margin-top: 30px; padding-top: 20px; border-top: 1px solid #e2e8f0; }
.message-box h3 { margin-bottom: 12px; }
.message-list { list-style: none; display: grid; gap: 12px; }
.message-list li { padding: 12px 14px; border: 1px solid #e2e8f0; border-radius: 10px; background: #f8fafc; }
.message-list strong { display: block; margin-bottom: 4px; }
.message-list span { display: block; color: var(--primary); font-size: 14px; margin-bottom: 6px; }
.message-list p { color: var(--gray); margin-bottom: 6px; line-height: 1.6; }
.message-list small { color: #94a3b8; }
.empty-state { color: var(--gray); text-align: center; }

/* -- FOOTER -- */
footer { background: var(--dark); color: #94a3b8; text-align: center; padding: 30px 20px; margin-top: auto; }

/* -- RESPONSIVE -- */
@media (max-width: 768px) {
    nav { flex-direction: column; gap: 15px; }
    .hero h1 { font-size: 32px; }
    .card-actions { flex-direction: column; }
    .theme-card { grid-template-columns: 1fr; }
    .theme-content { padding: 24px; }
}