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

:root {
  --black: #0A0A0A;
  --white: #FAFAFA;
  --accent: #FFFF00;
  --accent-dark: #E6E600;
  --gray: #F0F0F0;
  --border: 3px solid #0A0A0A;
  --shadow: 5px 5px 0 #0A0A0A;
  --shadow-lg: 8px 8px 0 #0A0A0A;
  --font-display: "Space Grotesk", sans-serif;
  --font-mono: "Space Mono", monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-display);
  background: var(--white);
  color: var(--black);
  min-height: 100vh;
  overflow-x: hidden;
}

.page { display: none; min-height: 100vh; padding-top: 72px; }
.page.active { display: block; }

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-decoration: none;
  color: var(--black);
}
.nav-logo span { color: var(--black); background: var(--accent); padding: 0 4px; }
.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  color: var(--black);
  border: var(--border);
  padding: 8px 16px;
  background: var(--white);
  transition: background 0.15s, transform 0.1s;
}
.nav-cta:hover { background: var(--accent); transform: translate(-2px, -2px); box-shadow: var(--shadow); }

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px 60px;
}
.hero-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--black);
  opacity: 0.5;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(56px, 10vw, 120px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -3px;
  margin-bottom: 32px;
}
.accent-text {
  background: var(--accent);
  padding: 0 8px;
  display: inline-block;
}
.hero-desc {
  font-size: 18px;
  line-height: 1.6;
  max-width: 480px;
  margin-bottom: 40px;
  opacity: 0.75;
}
.hero-actions { margin-bottom: 60px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--black);
  border: var(--border);
  padding: 16px 28px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.1s, box-shadow 0.1s;
  text-decoration: none;
}
.btn-primary:hover { transform: translate(-3px, -3px); box-shadow: 8px 8px 0 var(--black); }
.btn-primary:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--black); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  color: var(--black);
  border: var(--border);
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.1s, box-shadow 0.1s;
}
.btn-outline:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--black); }

.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FF3B30;
  color: var(--white);
  border: var(--border);
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.1s;
}
.btn-danger:hover { transform: translate(-2px, -2px); }

.btn-danger-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  color: #FF3B30;
  border: 3px solid #FF3B30;
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 4px 4px 0 #FF3B30;
  transition: transform 0.1s;
}
.btn-danger-outline:hover { transform: translate(-2px, -2px); }

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  color: var(--black);
  border: none;
  padding: 8px 0;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: underline;
  margin-bottom: 32px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border: var(--border);
  width: fit-content;
  margin-bottom: 60px;
  background: var(--white);
  box-shadow: var(--shadow);
}
.stat-item { padding: 20px 32px; text-align: center; }
.stat-num { display: block; font-size: 28px; font-weight: 900; line-height: 1; }
.stat-label { display: block; font-size: 11px; font-family: var(--font-mono); opacity: 0.5; margin-top: 4px; text-transform: uppercase; }
.stat-divider { width: 3px; background: var(--black); align-self: stretch; }

.hero-ticker {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  border-top: var(--border);
  border-bottom: var(--border);
  background: var(--accent);
  overflow: hidden;
  padding: 12px 0;
}
.ticker-inner {
  display: flex;
  gap: 32px;
  white-space: nowrap;
  animation: ticker 20s linear infinite;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
}
.ticker-inner .dot { opacity: 0.4; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.features {
  background: var(--black);
  color: var(--white);
  padding: 80px 24px;
}
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0;
  border: 3px solid var(--white);
}
.feature-card {
  padding: 40px;
  border-right: 3px solid var(--white);
}
.feature-card:last-child { border-right: none; }
.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--black);
}
.feature-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 12px; }
.feature-card p { font-size: 14px; opacity: 0.6; line-height: 1.6; }

.marquee-section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 24px;
}
.marquee-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  opacity: 0.4;
  margin-bottom: 24px;
}
.steps-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.step {
  display: flex;
  align-items: center;
  gap: 12px;
  border: var(--border);
  padding: 16px 24px;
  background: var(--white);
  box-shadow: var(--shadow);
}
.step-num { font-family: var(--font-mono); font-size: 13px; font-weight: 700; opacity: 0.4; }
.step-text { font-size: 15px; font-weight: 700; }
.step-arrow { opacity: 0.3; flex-shrink: 0; }

.page-header {
  background: var(--black);
  color: var(--white);
  padding: 60px 24px;
  border-bottom: var(--border);
}
.page-header-inner { max-width: 1200px; margin: 0 auto; }
.page-title { font-size: 56px; font-weight: 900; letter-spacing: -2px; }
.page-subtitle { font-size: 16px; opacity: 0.5; margin-top: 8px; }

.products-grid {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 60px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.product-card {
  border: var(--border);
  background: var(--white);
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
  box-shadow: var(--shadow);
}
.product-card:hover { transform: translate(-4px, -4px); box-shadow: var(--shadow-lg); }
.product-img-wrap { position: relative; aspect-ratio: 16/9; overflow: hidden; border-bottom: var(--border); }
.product-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.3s; }
.product-card:hover .product-img-wrap img { transform: scale(1.03); }
.product-category {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--accent);
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border: 2px solid var(--black);
  letter-spacing: 1px;
}
.plan-header .product-category {
  position: static;
  font-size: 13px;
  font-weight: 900;
  padding: 5px 12px;
}
.product-info { padding: 20px; }
.product-info h3 { font-size: 17px; font-weight: 800; margin-bottom: 16px; }
.product-footer { display: flex; align-items: center; justify-content: space-between; padding: 0 18px 16px; }
.plan-card .product-footer { padding: 12px 18px; border-top: var(--border); background: var(--black); color: var(--white); grid-column: 1/-1; }
.plan-card .product-price { color: var(--white); font-size: 22px; }
.product-price { font-size: 20px; font-weight: 900; font-family: var(--font-mono); }
.btn-card {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--black);
  color: var(--white);
  border: 2px solid var(--black);
  padding: 8px 16px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-card:hover { background: var(--accent); color: var(--black); }

.detail-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 768px) { .detail-grid { grid-template-columns: 1fr; } }
.detail-img-wrap {
  border: var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.detail-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.detail-category {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  background: var(--accent);
  padding: 4px 10px;
  border: 2px solid var(--black);
  display: inline-block;
  margin-bottom: 16px;
}
.detail-title { font-size: 36px; font-weight: 900; letter-spacing: -1px; margin-bottom: 20px; line-height: 1.1; }
.detail-desc { font-size: 15px; line-height: 1.7; opacity: 0.7; margin-bottom: 24px; }
.detail-features { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.feature-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  border: 2px solid var(--black);
  padding: 6px 12px;
  background: var(--gray);
}
.detail-price-wrap { margin-bottom: 28px; padding: 20px; border: var(--border); background: var(--accent); box-shadow: var(--shadow); }
.detail-price { font-size: 36px; font-weight: 900; font-family: var(--font-mono); }

.email-field { margin-bottom: 24px; }
.email-field label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}
.email-field input {
  width: 100%;
  padding: 14px 16px;
  border: var(--border);
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 14px;
  outline: none;
  transition: box-shadow 0.15s;
}
.email-field input:focus { box-shadow: var(--shadow); }
.email-hint { font-size: 11px; opacity: 0.5; margin-top: 6px; display: block; }

.btn-buy { width: 100%; justify-content: center; padding: 18px; font-size: 16px; }

.payment-container {
  max-width: 560px;
  margin: 0 auto;
  padding: 48px 24px;
}
.payment-card {
  border: var(--border);
  background: var(--white);
  box-shadow: var(--shadow-lg);
}
.payment-header {
  padding: 24px 28px;
  border-bottom: var(--border);
  background: var(--black);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.payment-header h2 { font-size: 18px; font-weight: 900; letter-spacing: 1px; }
.payment-timer {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  background: var(--accent);
  color: var(--black);
  padding: 6px 14px;
  border: 2px solid var(--white);
}
.payment-body { padding: 28px; }
.qris-wrap {
  border: var(--border);
  background: var(--gray);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  max-width: 300px;
  margin: 0 auto 28px;
  overflow: hidden;
}
.qris-img { width: 100%; height: 100%; object-fit: contain; display: block; padding: 16px; }
.qris-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0.4;
  font-size: 13px;
  font-family: var(--font-mono);
}
.qris-expired {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.7;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-mono);
}
.payment-details { border: var(--border); }
.payment-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 2px solid #E0E0E0;
  font-size: 14px;
}
.payment-row:last-child { border-bottom: none; }
.payment-row span { opacity: 0.5; font-family: var(--font-mono); font-size: 12px; }
.payment-row code { font-family: var(--font-mono); font-size: 12px; background: var(--gray); padding: 2px 6px; }
.payment-amount { font-size: 18px; font-family: var(--font-mono); }
.payment-status-row { padding: 16px; border-top: var(--border); }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border: 2px solid var(--black);
}
.status-badge.pending { background: #FFF3CD; }
.status-badge.success { background: #D4EDDA; }
.payment-actions {
  padding: 20px 28px;
  border-top: var(--border);
  display: flex;
  gap: 12px;
}
.btn-check { flex: 1; justify-content: center; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-box {
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  max-width: 400px;
  width: 100%;
  text-align: center;
}
.modal-icon { margin-bottom: 16px; color: #FF3B30; }
.modal-box h3 { font-size: 22px; font-weight: 900; margin-bottom: 12px; }
.modal-box p { font-size: 14px; opacity: 0.6; margin-bottom: 28px; line-height: 1.6; }
.modal-actions { display: flex; gap: 12px; justify-content: center; }

.success-container {
  max-width: 480px;
  margin: 80px auto;
  padding: 0 24px;
  text-align: center;
}
.success-icon {
  width: 100px;
  height: 100px;
  background: var(--accent);
  border: var(--border);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 32px;
}
.success-container h2 { font-size: 36px; font-weight: 900; letter-spacing: -1px; margin-bottom: 16px; }
.success-container p { font-size: 15px; opacity: 0.6; line-height: 1.6; }

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 80px 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  opacity: 0.5;
  grid-column: 1 / -1;
}
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--black);
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 60px 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  opacity: 0.6;
  text-align: center;
  grid-column: 1 / -1;
}

@media (max-width: 640px) {
  .hero-title { font-size: 52px; }
  .hero-stats { width: 100%; }
  .stat-item { padding: 16px 20px; }
  .steps-row { flex-direction: column; align-items: flex-start; }
  .step-arrow { transform: rotate(90deg); }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { border-right: none; border-bottom: 3px solid var(--white); }
  .feature-card:last-child { border-bottom: none; }
  .payment-actions { flex-direction: column; }
  .modal-actions { flex-direction: column; }
}

/* ─── PLAN CARDS ─────────────────────────────────────────── */
.plan-card {
  padding: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  border-bottom: none !important;
  box-shadow: none !important;
  margin-bottom: 16px;
  border: var(--border) !important;
  box-shadow: 4px 4px 0 #0A0A0A !important;
  transition: transform 0.1s, box-shadow 0.1s;
}
.plan-card:hover { transform: translate(-3px,-3px); box-shadow: 7px 7px 0 #0A0A0A !important; }
.plan-header {
  grid-column: 1 / -1;
  padding: 14px 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.plan-popular {
  background: #FF3B30;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border: 2px solid var(--black);
  letter-spacing: 1px;
}
.plan-specs {
  padding: 12px 18px 16px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: center;
}
.spec-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-family: var(--font-mono);
  opacity: 0.7;
}
.plan-badge-header {
  background: var(--accent);
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border: 2px solid rgba(255,255,255,0.5);
}

/* ─── PLAN SUMMARY ────────────────────────────────────────── */
.plan-summary {
  border: var(--border);
  margin-bottom: 24px;
}
.plan-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 2px solid #E0E0E0;
  font-size: 13px;
}
.plan-summary-row:last-child { border-bottom: none; }
.plan-summary-row span { opacity: 0.5; font-family: var(--font-mono); font-size: 12px; }
.total-row { background: var(--accent); }
.total-row strong { font-family: var(--font-mono); font-size: 18px; font-weight: 900; }

/* ─── INPUT FIELDS ───────────────────────────────────────── */
.input-fields { display: flex; flex-direction: column; gap: 16px; }
.input-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-bottom: 8px;
  opacity: 0.7;
  letter-spacing: 0.5px;
}
.input-group input {
  width: 100%;
  padding: 14px 16px;
  border: var(--border);
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 14px;
  outline: none;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.input-group input:focus { box-shadow: var(--shadow); border-color: var(--black); }
.inp-hint { font-size: 11px; opacity: 0.4; margin-top: 6px; display: block; line-height: 1.4; }
.btn-pay-now { flex: 1; justify-content: center; font-size: 15px; }

/* ─── PANEL INFO CARD ────────────────────────────────────── */
.panel-info-card {
  border: var(--border);
  box-shadow: var(--shadow);
  margin-top: 32px;
  text-align: left;
}
.panel-info-title {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  padding: 12px 20px;
}
.panel-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 20px;
  border-bottom: 2px solid #E0E0E0;
  font-size: 14px;
}
.panel-info-row:last-of-type { border-bottom: none; }
.panel-info-row span { opacity: 0.5; font-family: var(--font-mono); font-size: 12px; }
.panel-info-row a { color: var(--black); font-weight: 700; word-break: break-all; }
.panel-info-row code {
  font-family: var(--font-mono);
  background: var(--gray);
  border: 2px solid var(--black);
  padding: 3px 8px;
  font-size: 12px;
}
.panel-info-note {
  background: #FFFF001A;
  border-top: var(--border);
  padding: 12px 20px;
  font-size: 12px;
  font-family: var(--font-mono);
  opacity: 0.7;
}

/* ─── TOAST ──────────────────────────────────────────────── */
.app-toast {
  position: fixed;
  top: 84px;
  right: 20px;
  z-index: 9999;
  background: var(--black);
  color: var(--white);
  border: var(--border);
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow);
  max-width: 320px;
  transform: translateX(calc(100% + 40px));
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.app-toast.app-toast-show { transform: translateX(0); }
.app-toast-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; background: #888; }
.app-toast-success .app-toast-dot { background: #34C759; }
.app-toast-error .app-toast-dot { background: #FF3B30; }
.app-toast-pending .app-toast-dot { background: #FF9500; }
.app-toast-info .app-toast-dot { background: var(--accent); }