/* 2KANGS Styles */
:root {
  --bg: #0e1b2a;
  --bg-alt: #10243b;
  --fg: #e8eef6;
  --muted: #b8c4d9;
  --primary: #2dd4bf; /* teal */
  --primary-darker: #14b8a6;
  --secondary: #93c5fd; /* soft blue */
  --card: #14273e;
  --accent: #fde047; /* yellow */
  --danger: #ef4444;
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Poppins', system-ui, -apple-system, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(16, 36, 59, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.logo { font-weight: 800; letter-spacing: 0.4px; font-size: 1.1rem; color: var(--fg); text-decoration: none; }
.tagline { margin: 4px 0 0; font-size: 0.85rem; color: var(--muted); }
.nav a { color: var(--fg); text-decoration: none; margin-left: 18px; font-weight: 500; }
.nav a:hover { color: var(--primary); }

/* Hero */
.hero {
  position: relative;
  min-height: 68vh;
  display: grid;
  align-items: center;
  background-image:
    linear-gradient(rgba(14,27,42,0.35), rgba(14,27,42,0.75)),
    url('https://picsum.photos/seed/bromo/1600/900'); /* Gunung Bromo (ilustrasi) */
  background-size: cover;
  background-position: center;
}
.hero-overlay { position: absolute; inset: 0; }
.hero-content { position: relative; z-index: 1; padding: 80px 20px; text-align: center; }
.hero h1 { font-size: 2.2rem; margin: 0 0 10px; }
.hero p { margin: 0 0 22px; color: var(--muted); }
.hero-actions { display: inline-flex; gap: 12px; }

/* Buttons */
.btn { display: inline-block; padding: 12px 18px; border-radius: 999px; text-decoration: none; font-weight: 600; }
.btn-primary { background: var(--primary); color: #073b37; }
.btn-primary:hover { background: var(--primary-darker); }
.btn-secondary { background: transparent; color: var(--fg); border: 1px solid rgba(255,255,255,0.25); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

/* Sections */
.section { padding: 60px 0; }
.section.alt { background: var(--bg-alt); }
.section h2 { margin: 0 0 6px; font-size: 1.6rem; }
.section-subtitle { margin: 0 0 24px; color: var(--muted); }

/* Product Grid */
.product-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.product-card { grid-column: span 6; background: var(--card); border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255,255,255,0.08); }
.product-media { width: 100%; height: 180px; object-fit: cover; display: block; }
.product-body { padding: 16px; }
.product-title { margin: 0 0 8px; font-size: 1.2rem; }
.specs { margin: 8px 0 12px; padding-left: 18px; color: var(--muted); }
.price-rating { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.price { font-weight: 700; color: var(--accent); }
.rating { color: var(--secondary); font-weight: 600; }
.rating .stars { color: var(--accent); margin-right: 6px; }
.card-actions { display: flex; gap: 10px; }

.reviews { padding: 12px 16px; background: rgba(255,255,255,0.04); border-top: 1px solid rgba(255,255,255,0.06); }
.review { margin: 0 0 10px; }
.review .who { font-weight: 600; }
.review .text { color: var(--muted); }

/* Methods */
.methods-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.method-card { grid-column: span 4; background: var(--card); border-radius: var(--radius); padding: 16px; border: 1px solid rgba(255,255,255,0.08); }
.method-title { margin: 0 0 6px; font-weight: 700; }
.method-desc { margin: 0 0 10px; color: var(--muted); }
.method-note { font-size: 0.9rem; color: var(--secondary); }

.howto { margin-top: 20px; }
.howto ol { margin: 8px 0 0 18px; }

/* Order Form */
.order-form { background: var(--card); border-radius: var(--radius); padding: 16px; border: 1px solid rgba(255,255,255,0.08); }
.form-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 12px; }
.form-grid label { grid-column: span 6; display: grid; gap: 6px; }
.form-grid input, .form-grid select { width: 100%; padding: 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.15); background: #0c1c31; color: var(--fg); }
.form-grid input:focus, .form-grid select:focus { outline: 2px solid var(--primary); border-color: var(--primary); }

.order-summary { margin: 16px 0; padding: 12px; border-radius: 10px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); }
.order-summary .line { display: flex; justify-content: space-between; margin: 6px 0; }
.order-summary .total { font-weight: 700; color: var(--accent); }

.actions { display: flex; justify-content: flex-end; }

.order-result { margin-top: 16px; padding: 16px; border-radius: 10px; background: rgba(45,212,191,0.12); border: 1px solid rgba(45,212,191,0.35); }
.order-result h4 { margin: 0 0 6px; }
.order-result p { margin: 0 0 8px; }
.order-result .warn { color: var(--danger); }

/* Footer */
.site-footer { padding: 26px 0; border-top: 1px solid rgba(255,255,255,0.08); background: #0c1c31; text-align: center; color: var(--muted); }

/* Responsive */
@media (max-width: 900px) {
  .product-card { grid-column: span 12; }
  .method-card { grid-column: span 6; }
}
@media (max-width: 640px) {
  .form-grid label { grid-column: span 12; }
  .method-card { grid-column: span 12; }
}

/* Video Grid */
.video-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.video-card { grid-column: span 6; background: var(--card); border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255,255,255,0.08); }
.video-media { width: 100%; height: 280px; background: #0c1c31; display: block; }
.video-body { padding: 14px 16px; }
.video-title { margin: 0 0 6px; font-size: 1.1rem; }
.video-desc { margin: 0; color: var(--muted); }

/* Manual */
.manual .manual-block { background: var(--card); border-radius: var(--radius); padding: 16px; border: 1px solid rgba(255,255,255,0.08); margin-bottom: 14px; }
.manual h3 { margin: 0 0 8px; }
.manual ol { margin: 8px 0 0 18px; }

/* FAQ */
.faq-list { display: grid; grid-template-columns: repeat(12, 1fr); gap: 12px; }
.faq-item { grid-column: span 12; background: var(--card); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.08); overflow: hidden; }
.faq-question { cursor: pointer; padding: 14px 16px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.faq-question:hover { background: rgba(255,255,255,0.05); }
.faq-answer { display: none; padding: 0 16px 14px; color: var(--muted); }
.faq-item.active .faq-answer { display: block; }

/* Responsive add-ons */
@media (max-width: 900px) {
  .video-card { grid-column: span 12; }
  .video-media { height: 220px; }
}