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

:root {
  --green: #57f5ba;
  --black: #020403;
  --panel: #07110d;
  --panel-2: #0b1712;
  --off-white: #f3f7ef;
  --muted: #9aa49c;
  --dim: #647168;
  --border: rgba(87, 245, 186, 0.18);
  --red: #ff4b3e;
  --max: 1180px;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(87, 245, 186, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(87, 245, 186, 0.03) 1px, transparent 1px),
    linear-gradient(180deg, #020403, #06100c 48%, #020403);
  background-size: 44px 44px, 44px 44px, auto;
  color: var(--off-white);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: inherit; }

.nav {
  border-bottom: 1px solid var(--border);
  background: rgba(2, 4, 3, 0.92);
  backdrop-filter: blur(16px);
}

.nav-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.logo {
  font-family: "Barlow Condensed", Impact, sans-serif;
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.logo span { color: var(--green); }

.nav-actions {
  display: flex;
  gap: 14px;
  align-items: center;
}

.nav-link {
  color: var(--muted);
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  text-decoration: none;
  text-transform: uppercase;
}

.section {
  padding: 72px 24px;
}

.container {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 64px);
  display: grid;
  align-items: center;
  padding: 54px 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.75fr);
  gap: 34px;
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow,
.section-label,
.secure-note,
.summary-kicker,
.metric-label {
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Barlow Condensed", Impact, sans-serif;
  font-weight: 900;
  line-height: 0.98;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(54px, 9vw, 104px);
  max-width: 860px;
}

h2 {
  font-size: clamp(42px, 6vw, 76px);
}

h3 {
  font-size: 26px;
}

.accent { color: var(--green); }

.body-text {
  color: var(--muted);
  font-size: 19px;
  font-weight: 700;
  max-width: 760px;
}

.hero .body-text {
  margin: 22px 0 0;
  font-size: 22px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  border: 0;
  padding: 0 22px;
  background: var(--green);
  color: var(--black);
  font-family: "Barlow Condensed", Impact, sans-serif;
  font-size: 22px;
  font-weight: 900;
  text-decoration: none;
  text-transform: uppercase;
  box-shadow: 5px 5px 0 rgba(87, 245, 186, 0.2);
}

.btn-dark {
  background: var(--black);
  color: var(--green);
  box-shadow: 5px 5px 0 rgba(2, 4, 3, 0.25);
}

.btn-ghost {
  border: 1px solid rgba(87, 245, 186, 0.34);
  background: transparent;
  color: var(--off-white);
}

.hero-media {
  border: 1px solid rgba(87, 245, 186, 0.3);
  background: #06100c;
  min-height: 520px;
  overflow: hidden;
  position: relative;
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  display: block;
  filter: saturate(0.95) contrast(1.05);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(2, 4, 3, 0.78));
}

.media-caption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 1;
  color: var(--off-white);
  font-weight: 900;
}

.green-bg {
  background: var(--green);
  color: var(--black);
}

.green-bg .section-label,
.green-bg .body-text,
.green-bg .accent {
  color: var(--black);
}

.split-grid,
.checkout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: 28px;
  align-items: start;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.card,
.checkout-panel,
.summary-panel,
.pay-box {
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(8, 18, 13, 0.96), rgba(2, 6, 4, 0.96)),
    linear-gradient(90deg, rgba(87, 245, 186, 0.03) 1px, transparent 1px);
  background-size: auto, 28px 28px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.32);
}

.card {
  padding: 24px;
}

.card-icon,
.metric-num {
  color: var(--green);
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 800;
}

.card p {
  color: var(--muted);
  font-weight: 700;
  margin: 12px 0 0;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.metric {
  border: 1px solid rgba(2, 4, 3, 0.18);
  padding: 22px;
}

.metric-num {
  color: var(--black);
  font-size: 28px;
}

.metric-label {
  color: rgba(2, 4, 3, 0.72);
  font-size: 11px;
  margin-top: 8px;
}

.checkout-shell {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 54px 24px;
}

.checkout-panel {
  padding: 34px;
}

.summary-panel {
  position: sticky;
  top: 24px;
  padding: 28px;
}

.checkout-panel h1 {
  font-size: 68px;
}

.subtext {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  font-weight: 700;
}

.checkout-access {
  margin-top: 34px;
  padding: 18px 20px;
  border-left: 4px solid var(--green);
  background: rgba(87, 245, 186, 0.08);
}

.checkout-access p {
  margin: 0;
  color: var(--off-white);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
}

.checkout-access strong {
  display: block;
  margin-bottom: 6px;
  color: var(--green);
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pay-box {
  margin-top: 28px;
  padding: 22px;
  background: rgba(87, 245, 186, 0.06);
}

.addon-card {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid rgba(87, 245, 186, 0.2);
  background: rgba(0, 0, 0, 0.22);
  cursor: pointer;
}

.addon-checkbox {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--green);
}

.addon-copy {
  display: grid;
  gap: 5px;
}

.addon-kicker {
  color: var(--green);
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.addon-title {
  color: var(--off-white);
  font-family: "Barlow Condensed", Impact, sans-serif;
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.addon-description {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

.addon-price {
  color: var(--green);
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.price-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 18px;
  color: var(--off-white);
  font-weight: 800;
}

.price {
  color: var(--green);
  font-size: 28px;
}

.checkout-panel .btn {
  width: 100%;
}

.secure-note {
  margin: 14px 0 0;
  color: var(--dim);
  font-size: 11px;
  line-height: 1.6;
}

.secure-note.error {
  color: var(--red);
}

.product-card {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.summary-kicker {
  margin: 0 0 6px;
  color: var(--dim);
  font-size: 11px;
}

.summary-sub {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.summary-heading {
  margin: 24px 0 0;
  color: var(--green);
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.summary-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 26px;
  padding: 0;
  list-style: none;
}

.summary-list li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  color: #b8c2ba;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.summary-list li::before {
  content: ">";
  color: var(--green);
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 700;
}

.totals {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-weight: 700;
}

.totals div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.total {
  color: var(--off-white);
  font-size: 20px;
}

@media (max-width: 920px) {
  .hero-grid,
  .split-grid,
  .checkout-shell,
  .cards-grid,
  .metrics {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media,
  .hero-media img {
    min-height: 380px;
  }

  .summary-panel {
    position: static;
  }
}

@media (max-width: 560px) {
  .section,
  .hero,
  .checkout-shell {
    padding: 42px 18px;
  }

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

  .checkout-panel h1 {
    font-size: 42px;
  }

  .addon-card {
    grid-template-columns: 22px minmax(0, 1fr);
  }

  .addon-price {
    grid-column: 2;
  }
}