:root {
  --green: #2DA644;
  --green-dark: #1D6F32;
  --yellow: #F5C542;
  --yellow-soft: #FFF4C2;
  --ink: #162018;
  --muted: #61706A;
  --line: #DCE7DE;
  --surface: #FFFFFF;
  --surface-soft: #F6FAF7;
  --danger: #B42318;
  --danger-soft: #FDE8E6;
  --success-soft: #E9F8ED;
  --shadow: 0 16px 40px rgba(22, 32, 24, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface-soft);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--surface);
  background: var(--green);
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a {
  padding: 8px 0;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--green-dark);
}

.hero-section {
  display: grid;
  gap: 28px;
  padding: 44px 20px 28px;
  background: var(--surface);
}

.hero-content,
.section,
.checkout-layout,
.status-page {
  width: min(100%, 1120px);
  margin: 0 auto;
}

.hero-content {
  width: min(100%, 760px);
  margin: 0;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 9vw, 4.8rem);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.65rem, 5vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
  line-height: 1.25;
}

.hero-copy,
.section-heading p,
.muted,
.checkout-note p,
.status-box p {
  color: var(--muted);
}

.hero-copy {
  max-width: 640px;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(45, 166, 68, 0.28);
  outline-offset: 3px;
}

.button-primary {
  color: var(--surface);
  background: var(--green);
  box-shadow: 0 12px 24px rgba(45, 166, 68, 0.22);
}

.button-primary:hover {
  background: var(--green-dark);
}

.button-secondary {
  color: var(--ink);
  background: var(--yellow);
}

.button-ghost {
  color: var(--green-dark);
  background: var(--surface);
  border-color: var(--line);
}

.button-disabled,
.button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
  box-shadow: none;
}

.button-full {
  width: 100%;
}

.product-visual {
  width: min(100%, 720px);
  margin: 0 auto;
}

.section {
  padding: 56px 20px;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 24px;
}

.package-grid {
  display: grid;
  gap: 14px;
}

.package-card,
.checkout-panel,
.checkout-note,
.status-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.package-card {
  padding: 22px;
}

.package-card-highlight {
  border-color: rgba(45, 166, 68, 0.38);
  background: var(--success-soft);
}

.package-tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 4px 9px;
  color: var(--green-dark);
  background: var(--yellow-soft);
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 800;
}

.price {
  margin-bottom: 10px;
  color: var(--green-dark);
  font-size: 1.35rem;
  font-weight: 900;
}

.split-section {
  display: grid;
  gap: 20px;
  align-items: start;
}

.steps,
.check-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.steps li + li,
.check-list li + li {
  margin-top: 10px;
}

.site-footer {
  padding: 28px 20px;
  color: var(--muted);
  text-align: center;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.checkout-layout {
  display: grid;
  gap: 18px;
  padding: 34px 20px 56px;
}

.checkout-panel,
.checkout-note {
  padding: 22px;
}

.checkout-form {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.payment-panel {
  display: grid;
  grid-column: 1 / -1;
  gap: 20px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.payment-heading {
  max-width: 760px;
}

.payment-grid {
  display: grid;
  gap: 18px;
  align-items: start;
}

.qris-section,
.payment-summary {
  display: grid;
  gap: 14px;
}

.qris-box {
  display: grid;
  min-height: 260px;
  place-items: center;
  padding: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.qris-box.is-disabled {
  opacity: 0.54;
}

.qris-box img {
  width: min(100%, 320px);
  aspect-ratio: 1;
  object-fit: contain;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.summary-row span,
.status-detail span {
  color: var(--muted);
}

.summary-row strong {
  text-align: right;
}

.summary-row-highlight strong {
  color: var(--green-dark);
  font-size: 1.15rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 10px;
  color: var(--green-dark);
  background: var(--success-soft);
  border-radius: 8px;
  font-size: 0.86rem;
}

.status-paid {
  color: var(--green-dark);
  background: var(--success-soft);
}

.status-expired,
.status-payment-failed {
  color: var(--danger);
  background: var(--danger-soft);
}

.payment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.field {
  display: grid;
  gap: 7px;
}

label {
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid #C9D8CE;
  border-radius: 8px;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--green);
  outline: 3px solid rgba(45, 166, 68, 0.16);
}

.field.invalid input,
.field.invalid textarea,
.field.invalid select {
  border-color: var(--danger);
}

.error-message {
  min-height: 18px;
  color: var(--danger);
  font-size: 0.86rem;
}

.form-summary,
.status-detail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.form-summary strong,
.status-detail strong {
  color: var(--green-dark);
}

.form-alert {
  display: none;
  padding: 12px 14px;
  border-radius: 8px;
  font-weight: 700;
}

.form-alert.visible {
  display: block;
}

.form-alert.error {
  color: var(--danger);
  background: var(--danger-soft);
}

.form-alert.info {
  color: var(--green-dark);
  background: var(--success-soft);
}

.checkout-note {
  align-self: start;
  background: #142018;
  color: var(--surface);
  border-color: #213528;
}

.checkout-note .eyebrow,
.checkout-note h2 {
  color: var(--yellow);
}

.checkout-note p,
.checkout-note .check-list {
  color: #D5E7DA;
}

.status-page {
  display: grid;
  min-height: calc(100vh - 73px);
  place-items: center;
  padding: 34px 20px;
}

.status-box {
  width: min(100%, 680px);
  padding: 28px;
}

.status-box.success {
  border-color: rgba(45, 166, 68, 0.4);
}

.status-box.failed {
  border-color: rgba(180, 35, 24, 0.35);
}

.status-detail {
  margin: 22px 0;
}

.success-details {
  margin: 22px 0;
}

.success-details .status-detail {
  margin: 0;
}

.success-details .status-detail + .status-detail {
  margin-top: 10px;
}

@media (min-width: 720px) {
  .site-header {
    padding: 14px 36px;
  }

  .hero-section {
    min-height: calc(100vh - 72px);
    padding: 64px 36px 40px;
    align-content: center;
  }

  .hero-content {
    margin-left: max(0px, calc((100vw - 1120px) / 2));
  }

  .package-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .split-section,
  .checkout-layout {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  }

  .checkout-layout {
    padding-top: 56px;
  }

  .checkout-panel,
  .checkout-note,
  .payment-panel,
  .status-box {
    padding: 30px;
  }

  .payment-grid {
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1fr);
  }
}