:root {
  --bg: #0b0b0f;
  --bg-2: #131318;
  --bg-3: #1a1a22;
  --card: #15151c;
  --card-hover: #1d1d26;
  --border: #2a2a35;
  --text: #f5f5f7;
  --text-muted: #a0a0ad;
  --red: #e50914;
  --red-dark: #b0060f;
  --red-glow: rgba(229, 9, 20, 0.35);
  --grad: linear-gradient(135deg, #e50914 0%, #ff4d55 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Skeleton Loading ---------- */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--bg-3);
}
.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.06),
    transparent
  );
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  100% { transform: translateX(100%); }
}
.skeleton-card {
  position: relative;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  min-height: 300px;
}
.skeleton-card::before {
  content: "";
  display: block;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--bg-3);
  margin-bottom: 18px;
}
.skeleton-card::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.06),
    transparent
  );
  animation: shimmer 1.5s infinite;
}
.skeleton-media {
  position: absolute;
  inset: 0;
  background: var(--bg-3);
  z-index: 1;
}
.skeleton-media::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.06),
    transparent
  );
  animation: shimmer 1.5s infinite;
}
.testimoni-card img {
  position: relative;
  z-index: 0;
}
.testimoni-card.loaded .skeleton-media {
  display: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-lg { padding: 16px 30px; font-size: 16px; }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 24px var(--red-glow);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}
.btn-wa {
  background: #22c55e;
  color: #fff;
  width: 100%;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: var(--transition);
  padding: 14px 0;
}
.navbar.scrolled {
  background: rgba(11, 11, 15, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  letter-spacing: 0;
}
.brand-text {
  font-size: 18px;
  letter-spacing: 1px;
  display: flex;
  align-items: baseline;
}
.brand-sub {
  font-size: 14px;
  color: var(--red);
  font-weight: 800;
  margin-left: 4px;
}
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}
.nav-links a:hover { color: #fff; }
.nav-cta { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 20%, var(--red-glow) 0%, transparent 55%),
    radial-gradient(ellipse at 20% 80%, rgba(90, 30, 200, 0.35) 0%, transparent 55%),
    var(--bg);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 40%, transparent 75%);
}
.hero-inner {
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--red);
  font-weight: 700;
  margin-bottom: 18px;
}
.hero-title {
  font-size: clamp(40px, 6.5vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 22px;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-desc strong { color: var(--text); }
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 620px;
}
.stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}
.stat-num {
  display: block;
  font-size: 26px;
  font-weight: 900;
  color: var(--red);
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.section-eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--red);
  font-weight: 700;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.section-desc { color: var(--text-muted); font-size: 16px; }

/* ---------- Catalog Cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 22px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad);
  opacity: 0;
  transition: var(--transition);
}
.card-featured {
  border-color: rgba(229, 9, 20, 0.6);
  background: linear-gradient(180deg, rgba(229,9,20,0.08), var(--card));
}
.card-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--grad);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}
.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(229, 9, 20, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--red);
  margin-bottom: 18px;
}
.card-icon .fi { font-size: 22px; line-height: 1; }
.card-duration {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 4px;
}
.card-device {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.card-price {
  font-size: 32px;
  font-weight: 900;
  color: var(--red);
  margin-bottom: 2px;
}
.card-price small {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
}
.card-per { font-size: 12px; color: var(--text-muted); margin-bottom: 20px; }
.card .btn { margin-top: auto; }

/* ---------- Features ---------- */
.keunggulan { background: var(--bg-2); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(229, 9, 20, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red);
  margin-bottom: 18px;
}
.feature-icon .fi { font-size: 26px; line-height: 1; }
.feature h3 { font-size: 18px; margin-bottom: 8px; }
.feature p { color: var(--text-muted); font-size: 14px; }

/* ---------- Testimoni ---------- */
.testimoni { background: var(--bg-2); }
.testimoni-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.testimoni-card {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  border: 1px solid var(--border);
  background: var(--card);
  transition: var(--transition);
  aspect-ratio: 9 / 16;
}
.testimoni-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}
.lightbox-img {
  max-width: 100%;
  max-height: 92vh;
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  transform: scale(0.95);
  transition: transform 0.25s ease;
}
.lightbox.open .lightbox-img { transform: scale(1); }
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 28px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  font-size: 40px;
  line-height: 1;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}
.lightbox-close:hover { background: var(--red); }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
}
.step-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-size: 24px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--text-muted); font-size: 14px; }

/* ---------- FAQ ---------- */
.faq-container { max-width: 800px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  padding: 18px 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: inherit;
}
.faq-icon {
  font-size: 22px;
  color: var(--red);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-a p {
  padding: 0 22px 18px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ---------- CTA ---------- */
.cta { background: var(--bg-2); padding-bottom: 120px; }
.cta-inner {
  text-align: center;
  padding: 60px 24px;
  border-radius: 24px;
  background:
    radial-gradient(ellipse at 50% 0%, var(--red-glow) 0%, transparent 60%),
    var(--card);
  border: 1px solid var(--border);
}
.cta-inner h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 10px; }
.cta-inner p { color: var(--text-muted); margin-bottom: 26px; }

/* ---------- Footer ---------- */
.footer { background: #08080a; border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-note { color: var(--text-muted); font-size: 13px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: var(--text-muted); transition: var(--transition); }
.footer-links a:hover { color: #fff; }

/* ---------- Optimasi Performa & Render ---------- */
/* Skip render konten offscreen — kurangi beban paint di HP */
.section {
  content-visibility: auto;
  contain-intrinsic-size: 800px;
}
.hero { content-visibility: auto; contain-intrinsic-size: 100vh; }

/* Hover effect hanya untuk perangkat yang punya pointer presisi (bukan touch) */
@media (hover: hover) {
  .card:hover {
    transform: translateY(-6px);
    border-color: rgba(229, 9, 20, 0.5);
    background: var(--card-hover);
    box-shadow: var(--shadow);
  }
  .card:hover::before { opacity: 1; }
  .feature:hover { border-color: rgba(229,9,20,0.5); transform: translateY(-4px); }
  .testimoni-card:hover {
    transform: translateY(-6px);
    border-color: rgba(229, 9, 20, 0.5);
    box-shadow: var(--shadow);
  }
  .testimoni-card:hover img { transform: scale(1.04); }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px var(--red-glow); }
  .btn-wa:hover { background: #16a34a; transform: translateY(-2px); }
  .btn-outline:hover {
    border-color: var(--red);
    color: #fff;
    background: rgba(229, 9, 20, 0.08);
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .features-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .testimoni-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    background: var(--bg-3);
    flex-direction: column;
    padding: 90px 30px 30px;
    gap: 20px;
    transition: var(--transition);
    border-left: 1px solid var(--border);
  }
  .nav-links.open { right: 0; }
  .nav-toggle { display: flex; }
  .features-grid, .steps, .hero-stats { grid-template-columns: 1fr; }
  .testimoni-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .section { padding: 70px 0; }
  .footer-inner { flex-direction: column; text-align: center; }
}

/* ---------- Khusus Layar Kecil (Smartphone) ---------- */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding-top: 96px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-actions { gap: 12px; }
  .cards-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .card { padding: 20px; }
  .card-price { font-size: 26px; }
  .btn-wa { font-size: 14px; padding: 12px 10px; }
  .section-head { margin-bottom: 36px; }
  .nav-cta { display: none; }
  .brand-text { font-size: 16px; }
  .brand-sub { font-size: 12px; }
}