:root {
  --bg: #050b16;
  --bg-2: #081426;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-2: rgba(255, 255, 255, 0.11);
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.24);
  --text: #f8fafc;
  --muted: rgba(248, 250, 252, 0.72);
  --faint: rgba(248, 250, 252, 0.52);
  --orange: #e8850c;
  --orange-2: #ff9a1f;
  --blue: #2a5caa;
  --green: #43d89c;
  --red: #ff6b6b;
  --radius: 28px;
  --radius-sm: 18px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  --font: "Aptos", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --head: "Aptos Display", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(42, 92, 170, 0.32), transparent 28%),
    radial-gradient(circle at 82% 10%, rgba(232, 133, 12, 0.28), transparent 25%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 52%, var(--bg) 100%);
  line-height: 1.55;
  min-height: 100vh;
}

a { color: inherit; }
button, input, textarea, select { font: inherit; }

.site-shell { min-height: 100vh; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 11, 22, 0.9);
  backdrop-filter: blur(18px);
}

.topbar-inner {
  width: min(1440px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #fff;
  text-decoration: none;
  min-width: 265px;
}

.brand img {
  width: 86px;
  height: auto;
  display: block;
}

.brand strong {
  display: block;
  font-family: var(--head);
  font-size: 1rem;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.brand span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding: 10px 0;
}

.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.055);
  text-decoration: none;
  font-weight: 850;
  font-size: 0.88rem;
  padding: 9px 15px;
}

.nav a:hover,
.nav a.is-active {
  color: #fff;
  border-color: rgba(232, 133, 12, 0.62);
  background: rgba(232, 133, 12, 0.18);
}

.hero,
.section,
.footer {
  width: min(1440px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  padding: 76px 0 36px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(232, 133, 12, 0.42);
  border-radius: 999px;
  color: #ffd9a7;
  background: rgba(232, 133, 12, 0.13);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  font-weight: 950;
  padding: 8px 13px;
  margin-bottom: 22px;
}

h1,
h2,
h3 {
  font-family: var(--head);
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin: 0;
}

h1 {
  max-width: 1100px;
  font-size: clamp(2.75rem, 7vw, 6rem);
}

.hero p {
  max-width: 900px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(1.06rem, 2vw, 1.32rem);
}

.hero-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.075);
  text-decoration: none;
  font-weight: 900;
  padding: 11px 18px;
  cursor: pointer;
}

.btn-primary {
  border: 0;
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  box-shadow: 0 14px 36px rgba(232, 133, 12, 0.26);
}

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

.section {
  padding: 36px 0;
}

.stack {
  display: grid;
  gap: 22px;
}

.stack-card {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: clamp(24px, 4vw, 46px);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.stack-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: linear-gradient(180deg, var(--orange), var(--orange-2));
  opacity: 0.9;
}

.stack-card:hover {
  border-color: rgba(232, 133, 12, 0.55);
  background: rgba(255, 255, 255, 0.105);
}

.stack-card h2 {
  font-size: clamp(1.9rem, 4vw, 3.5rem);
  margin-bottom: 14px;
}

.stack-card h3 {
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  margin-bottom: 10px;
}

.stack-card p {
  max-width: 1040px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
}

.card-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.84);
  background: rgba(255, 255, 255, 0.075);
  font-weight: 850;
  font-size: 0.82rem;
  padding: 7px 11px;
}

.pill-hot {
  border-color: rgba(232, 133, 12, 0.46);
  color: #ffd9a7;
  background: rgba(232, 133, 12, 0.14);
}

.pill-green {
  border-color: rgba(67, 216, 156, 0.42);
  color: #b8ffdc;
  background: rgba(67, 216, 156, 0.10);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.mini-card {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(5, 11, 22, 0.42);
  padding: 18px;
}

.mini-card strong {
  display: block;
  color: #fff;
  font-size: 1rem;
  margin-bottom: 5px;
}

.mini-card span,
.mini-card p {
  color: var(--muted);
  font-size: 0.96rem;
}

.price {
  display: block;
  font-family: var(--head);
  font-size: clamp(2rem, 5vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  color: #fff;
  margin: 10px 0;
}

.price small {
  color: var(--muted);
  font-size: 0.42em;
  letter-spacing: -0.01em;
}

.table-wrap {
  margin-top: 24px;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
  background: rgba(5, 11, 22, 0.35);
}

th,
td {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  padding: 16px;
}

th {
  color: #fff;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(255, 255, 255, 0.055);
}

td { color: rgba(255, 255, 255, 0.78); }
tr:last-child td { border-bottom: 0; }

.list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
}

.list li {
  list-style: none;
  color: rgba(255, 255, 255, 0.78);
  padding-left: 32px;
  position: relative;
}

.list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: rgba(232, 133, 12, 0.16);
  color: #ffb85c;
  font-weight: 950;
  font-size: 0.86rem;
}

.warn .list li::before {
  content: "×";
  background: rgba(255, 107, 107, 0.12);
  color: #ffb4b4;
}

.copy-block {
  white-space: pre-wrap;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-sm);
  background: rgba(5, 11, 22, 0.55);
  color: rgba(255, 255, 255, 0.82);
  padding: 18px;
  margin-top: 18px;
}

.footer {
  padding: 46px 0 56px;
  color: var(--faint);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 40px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}

.note {
  color: var(--faint) !important;
  font-size: 0.94rem !important;
  margin-top: 12px !important;
}

@media (max-width: 1060px) {
  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }
  .brand { min-width: 0; }
  .nav { justify-content: flex-start; width: 100%; }
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .topbar-inner,
  .hero,
  .section,
  .footer { width: min(100% - 28px, 1440px); }
  .hero { padding-top: 46px; }
  .brand img { width: 74px; }
  .stack-card { border-radius: 22px; }
  .btn { width: 100%; }
}


.calculator {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 18px;
  margin-top: 24px;
}

.calculator-panel,
.calculator-result {
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-sm);
  background: rgba(5, 11, 22, 0.42);
  padding: 20px;
}

.calculator label {
  display: block;
  color: #fff;
  font-weight: 900;
  margin-bottom: 8px;
}

.calculator select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(5, 11, 22, 0.72);
  color: #fff;
  padding: 13px 14px;
  outline: none;
}

.calc-secondary-label {
  margin-top: 18px;
}

.calc-option-group {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.calc-check {
  display: flex !important;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.055);
  padding: 12px 13px;
  color: rgba(255, 255, 255, 0.84) !important;
  font-weight: 750 !important;
  margin: 0 !important;
}

.calc-check input {
  margin-top: 4px;
  accent-color: var(--orange);
}

.result-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
}

.result-row:first-child { padding-top: 0; }
.result-row span { color: var(--muted); font-weight: 850; }
.result-row strong {
  color: #fff;
  font-family: var(--head);
  font-size: clamp(1.45rem, 3vw, 2.5rem);
  letter-spacing: -0.035em;
  white-space: nowrap;
}

.result-note {
  color: var(--faint);
  font-size: 0.94rem;
  margin-top: 16px;
}

@media (max-width: 960px) {
  .calculator { grid-template-columns: 1fr; }
}


.calc-check.is-disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.calc-check.is-disabled span {
  color: rgba(255, 255, 255, 0.58);
}

.demo-card::before {
  background: linear-gradient(180deg, var(--green), var(--orange));
}

.demo-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: 24px;
  align-items: start;
}

.demo-control-panel {
  position: sticky;
  top: 112px;
}

.demo-select-label {
  display: block;
  color: #fff;
  font-weight: 950;
  margin: 26px 0 8px;
}

.demo-control-panel select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(5, 11, 22, 0.72);
  color: #fff;
  padding: 13px 14px;
  outline: none;
}

.demo-control-panel select:focus {
  border-color: rgba(232, 133, 12, 0.7);
  box-shadow: 0 0 0 3px rgba(232, 133, 12, 0.16);
}

.demo-selected-summary {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.96rem;
}

.demo-summary-line {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-summary-line strong {
  color: #fff;
  font-weight: 900;
  text-align: right;
}

.demo-results {
  display: grid;
  gap: 16px;
}

.asset-empty,
.asset-section,
.asset-link-card {
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-sm);
  background: rgba(5, 11, 22, 0.42);
}

.asset-empty {
  padding: 22px;
  color: var(--muted);
}

.asset-section {
  padding: 20px;
}

.asset-section h3 {
  font-size: clamp(1.2rem, 2vw, 1.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.asset-link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.asset-link-card {
  display: grid;
  gap: 6px;
  min-height: 122px;
  padding: 16px;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.86);
}

.asset-link-card:hover,
.lander-row:hover {
  border-color: rgba(232, 133, 12, 0.55);
  background: rgba(255, 255, 255, 0.075);
}

.asset-link-card strong,
.lander-row strong {
  color: #fff;
  font-size: 1rem;
}

.asset-link-card span,
.lander-row span {
  color: var(--muted);
  font-size: 0.92rem;
}

.asset-url {
  color: var(--faint) !important;
  font-size: 0.82rem !important;
  overflow-wrap: anywhere;
}

.lander-list {
  display: grid;
  gap: 10px;
}

.lander-row {
  display: grid;
  grid-template-columns: minmax(160px, 0.38fr) minmax(0, 0.62fr);
  gap: 14px;
  align-items: start;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.045);
  padding: 13px 14px;
  color: inherit;
  text-decoration: none;
}

@media (max-width: 1060px) {
  .demo-layout { grid-template-columns: 1fr; }
  .demo-control-panel { position: static; }
}

@media (max-width: 720px) {
  .asset-link-grid,
  .lander-row { grid-template-columns: 1fr; }
  .asset-link-card { min-height: 0; }
  .demo-summary-line { display: grid; }
  .demo-summary-line strong { text-align: left; }
}