:root {
  color-scheme: dark;
  --page: #1b1b1e;
  --page-deep: #0a0a0a;
  --pane: #131316;
  --espresso: #1e1617;
  --espresso-2: #24191a;
  --menu: #17171a;
  --hover: #222226;
  --line: #303036;
  --line-2: #3c3c44;
  --copper-line: #56271d;
  --ink: #f6f7f9;
  --ink-2: #9ea3ae;
  --ink-3: #5e5d63;
  --copper: #f2572c;
  --copper-hi: #fb9461;
  --peach: #fad7c2;
  --ok: #33cc73;
  --grad-copper: linear-gradient(100deg, #f2572c 0%, #f5693c 32%, #fb9461 68%, #fad7c2 100%);
  --ring: 0 0 0 3px rgba(242, 87, 44, 0.26);
  --shadow-card: 0 48px 120px -24px rgba(0, 0, 0, 0.68), 0 14px 34px -12px rgba(0, 0, 0, 0.48);
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI Variable", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --container: 1280px;
}

@view-transition {
  navigation: auto;
}

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

html {
  scroll-behavior: smooth;
  background: var(--page-deep);
  color: var(--ink);
  overflow-x: clip;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  padding: 0;
  min-height: 100dvh;
  background: var(--page);
  color: var(--ink);
  font: 400 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

a:focus-visible,
button:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

button {
  font: inherit;
  color: inherit;
}

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

code, pre, .mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

p code, li code, .topo-node-sub code {
  padding: 2px 6px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(60, 60, 68, 0.65);
  font-size: 0.88em;
  color: #e6e8ee;
  overflow-wrap: anywhere;
}

.editorial-text code {
  padding: 2px 10px;
  border-radius: 8px;
  font-size: 0.82em;
  color: var(--peach);
  background: rgba(242, 87, 44, 0.12);
  border-color: var(--copper-line);
  white-space: nowrap;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

@media (max-width: 640px) {
  .container {
    width: calc(100% - 32px);
  }
}

/* Top bar (Wix 3708 75px rhythm) */
.topbar {
  position: sticky;
  top: 0;
  z-index: 80;
  height: 75px;
  background: rgba(10, 10, 10, 0.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: var(--grad-copper);
  color: #131316;
  font: 700 11.5px/1 var(--sans);
  letter-spacing: -0.03em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.brand-word {
  font: 700 15px/1 var(--sans);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font: 500 14px/1 var(--sans);
  color: var(--ink-2);
  transition: color 0.15s ease;
  padding: 6px 2px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

/* Pill buttons with circular arrow badge (Wix 3708 signature) */
.btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  height: 48px;
  padding: 0 7px 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: 600 14px/1 var(--sans);
  letter-spacing: -0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.14s ease, filter 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

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

.btn-pill:active {
  transform: translateY(0);
}

.btn-pill-sm {
  height: 40px;
  padding: 0 6px 0 16px;
  gap: 10px;
  font-size: 13px;
}

.pill-badge {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  flex: none;
  transition: transform 0.16s ease;
}

.btn-pill-sm .pill-badge {
  width: 28px;
  height: 28px;
}

.btn-pill:hover .pill-badge {
  transform: translateX(2px);
}

.pill-badge svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.btn-pill-copper {
  background: var(--grad-copper);
  color: #131316;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 12px 30px -10px rgba(242, 87, 44, 0.55);
}

.btn-pill-copper:hover {
  filter: brightness(1.05);
}

.btn-pill-copper .pill-badge {
  background: #131316;
  color: var(--peach);
}

.btn-pill-light {
  background: var(--ink);
  color: #131316;
  box-shadow: 0 12px 28px -12px rgba(0, 0, 0, 0.55);
}

.btn-pill-light:hover {
  background: #ffffff;
}

.btn-pill-light .pill-badge {
  background: #131316;
  color: var(--ink);
}

.btn-pill-ghost {
  background: var(--menu);
  border-color: var(--line-2);
  color: var(--ink);
}

.btn-pill-ghost:hover {
  background: var(--hover);
  border-color: var(--copper-line);
}

.btn-pill-ghost .pill-badge {
  background: rgba(242, 87, 44, 0.16);
  color: var(--copper-hi);
}

/* Typography utilities */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font: 600 12px/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper-hi);
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 12px rgba(242, 87, 44, 0.75);
}

.h-section {
  margin: 0;
  font: 600 clamp(30px, 4.2vw, 52px)/1.08 var(--sans);
  letter-spacing: -0.032em;
  color: var(--ink);
}

.lead {
  margin: 18px 0 0;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.58;
  color: var(--ink-2);
  max-width: 54ch;
}

/* Section 1: Full-bleed Hero with 3D translucent glass invoice slab */
.hero {
  position: relative;
  background:
    radial-gradient(62% 74% at 78% 44%, rgba(242, 87, 44, 0.24) 0%, rgba(86, 39, 29, 0.24) 36%, rgba(10, 10, 10, 0) 74%),
    radial-gradient(44% 52% at 64% 68%, rgba(251, 148, 97, 0.12) 0%, rgba(10, 10, 10, 0) 70%),
    var(--page-deep);
  padding: clamp(56px, 8vw, 108px) 0 clamp(96px, 11vw, 148px);
  overflow: clip;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(36px, 4.5vw, 64px);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  margin: 0;
  font: 700 clamp(40px, 6.1vw, 84px)/0.98 var(--sans);
  letter-spacing: -0.042em;
  color: var(--ink);
}

.hero-title .copper-span {
  background: var(--grad-copper);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-cta-row {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.hero-sub {
  margin-top: clamp(36px, 5vw, 64px);
  max-width: 46ch;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--ink-2);
}

.hero-metrics {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.metric-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(23, 23, 26, 0.85);
  border: 1px solid var(--line);
  font: 500 12.5px/1 var(--mono);
  color: var(--ink-2);
}

.metric-chip strong {
  color: var(--ink);
  font-weight: 600;
}

.dot-ok {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 10px rgba(51, 204, 115, 0.65);
}

/* 3D Translucent Glass Card Visual */
.glass-stage {
  position: relative;
  display: grid;
  place-items: center;
  padding: 20px 0;
}

.glass-orb {
  position: absolute;
  width: min(440px, 86%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 87, 44, 0.34) 0%, rgba(251, 148, 97, 0.1) 45%, rgba(10, 10, 10, 0) 72%);
  filter: blur(24px);
  pointer-events: none;
}

.glass-slab {
  position: relative;
  width: min(480px, 100%);
  border-radius: 26px;
  padding: 28px;
  background:
    linear-gradient(142deg, rgba(250, 215, 194, 0.12) 0%, rgba(30, 22, 23, 0.78) 38%, rgba(19, 19, 22, 0.92) 100%);
  border: 1px solid rgba(251, 148, 97, 0.34);
  box-shadow:
    inset 0 1px 0 rgba(250, 215, 194, 0.32),
    inset 1px 0 0 rgba(242, 87, 44, 0.16),
    0 44px 100px -20px rgba(0, 0, 0, 0.82),
    0 0 60px -18px rgba(242, 87, 44, 0.28);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  transform: perspective(1200px) rotateY(-14deg) rotateX(8deg) rotateZ(-3deg);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-slab:hover {
  transform: perspective(1200px) rotateY(-8deg) rotateX(4deg) rotateZ(-1.5deg);
}

.slab-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--copper-line);
}

.slab-merchant {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 600 14px/1.2 var(--sans);
  color: var(--ink);
}

.slab-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(51, 204, 115, 0.14);
  border: 1px solid rgba(51, 204, 115, 0.32);
  color: var(--ok);
  font: 500 11.5px/1 var(--mono);
  white-space: nowrap;
  flex: none;
}

.slab-amount-block {
  margin-top: 22px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.slab-amount {
  font: 500 42px/1 var(--sans);
  letter-spacing: -0.04em;
  color: var(--ink);
}

.slab-amount span {
  color: var(--copper-hi);
  font-size: 24px;
  margin-left: 4px;
}

.slab-fee {
  font: 500 12px/1 var(--mono);
  color: var(--peach);
  background: rgba(242, 87, 44, 0.16);
  border: 1px solid var(--copper-line);
  padding: 6px 10px;
  border-radius: 8px;
}

.slab-route {
  margin-top: 20px;
  padding: 13px 14px;
  border-radius: 12px;
  background: rgba(19, 19, 22, 0.86);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.slab-route-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.slab-route-left img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  flex: none;
}

.slab-route-title {
  font: 600 13.5px/1.2 var(--sans);
  color: var(--ink);
}

.slab-route-sub {
  font: 400 11.5px/1.2 var(--mono);
  color: var(--ink-2);
  margin-top: 2px;
}

.slab-tag {
  font: 500 11px/1 var(--mono);
  color: var(--ink-2);
  border: 1px solid var(--line-2);
  padding: 4px 7px;
  border-radius: 6px;
  flex: none;
}

.slab-addr {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(10, 10, 10, 0.72);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font: 400 12.5px/1.3 var(--mono);
  color: var(--ink-2);
}

.slab-addr strong {
  color: var(--ink);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.slab-foot {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(60, 60, 68, 0.55);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font: 400 11.5px/1.3 var(--mono);
  color: var(--ink-2);
}

/* Rounded overlap surface (Wix 3708 hero-to-canvas transition) */
.canvas-overlap {
  position: relative;
  z-index: 3;
  margin-top: -40px;
  border-radius: 36px 36px 0 0;
  background: var(--page);
  border-top: 1px solid var(--line);
}

/* Section 2: Sticky-left intro + 01..04 alternating stacked cards */
.section-stack {
  padding: clamp(72px, 9vw, 132px) 0 clamp(56px, 7vw, 96px);
}

.stack-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.84fr) minmax(0, 1.16fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: start;
}

.stack-intro {
  position: sticky;
  top: 116px;
}

.stack-note {
  margin-top: 28px;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--pane);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-2);
}

.stack-note strong {
  color: var(--ink);
  font-weight: 600;
}

.stack-cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stack-card {
  position: sticky;
  border-radius: 28px;
  padding: clamp(28px, 4vw, 46px);
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 36px;
  box-shadow: var(--shadow-card);
}

.stack-card.card-1 { top: 96px; }
.stack-card.card-2 { top: 116px; }
.stack-card.card-3 { top: 136px; }
.stack-card.card-4 { top: 156px; }

.stack-card.is-obsidian {
  background: var(--pane);
  border: 1px solid var(--line);
}

.stack-card.is-copper {
  background:
    radial-gradient(90% 90% at 100% 0%, rgba(242, 87, 44, 0.18) 0%, rgba(30, 22, 23, 0) 62%),
    linear-gradient(155deg, #271918 0%, var(--espresso) 58%, #151214 100%);
  border: 1px solid var(--copper-line);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.card-num {
  font: 500 clamp(36px, 4vw, 48px)/1 var(--mono);
  letter-spacing: -0.04em;
  color: var(--ink);
}

.stack-card.is-copper .card-num {
  color: var(--peach);
}

.card-pill {
  padding: 6px 12px;
  border-radius: 999px;
  font: 500 12px/1 var(--mono);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-2);
  color: var(--ink-2);
}

.stack-card.is-copper .card-pill {
  background: rgba(242, 87, 44, 0.14);
  border-color: var(--copper-line);
  color: var(--peach);
}

.card-title {
  margin: 0 0 12px;
  font: 600 clamp(24px, 2.8vw, 34px)/1.15 var(--sans);
  letter-spacing: -0.025em;
  color: var(--ink);
}

.card-desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.58;
  color: var(--ink-2);
  max-width: 54ch;
}

.card-specs {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spec-tag {
  font: 400 12px/1.2 var(--mono);
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(10, 10, 10, 0.45);
  border: 1px solid var(--line);
  color: var(--ink-2);
}

.stack-card.is-copper .spec-tag {
  border-color: rgba(86, 39, 29, 0.9);
  color: #d9cfd0;
}

/* Section 3: Supported Assets & Networks Matrix Strip */
.section-matrix {
  padding: clamp(44px, 6vw, 84px) 0;
}

.matrix-shell {
  border-radius: 28px;
  padding: clamp(28px, 4vw, 48px);
  background: var(--page-deep);
  border: 1px solid var(--line);
}

.matrix-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.matrix-stat {
  font: 500 13px/1.4 var(--mono);
  color: var(--peach);
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--espresso);
  border: 1px solid var(--copper-line);
}

.matrix-columns {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.matrix-group-label {
  margin: 0 0 14px;
  font: 500 12px/1.2 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(144px, 1fr));
  gap: 10px;
}

.asset-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--pane);
  border: 1px solid var(--line);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.asset-chip:hover {
  border-color: var(--line-2);
  background: var(--menu);
}

.asset-chip img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  flex: none;
}

.asset-chip-name {
  font: 600 13.5px/1.15 var(--sans);
  color: var(--ink);
}

.asset-chip-meta {
  font: 400 11px/1.2 var(--mono);
  color: var(--ink-2);
  margin-top: 2px;
}

/* Section 4: Editorial Architecture Block (Wix 3708 About cadence) */
.section-editorial {
  padding: clamp(64px, 8vw, 120px) 0;
}

.editorial-text {
  margin: 8px 0 34px;
  font: 500 clamp(24px, 3.3vw, 44px)/1.22 var(--sans);
  letter-spacing: -0.03em;
  color: var(--ink);
  max-width: 27ch;
}

.editorial-text .muted {
  color: var(--ink-2);
}

/* Section 5: 50/50 Sticky Split (Wix 3708 Why section) */
.split-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--pane);
}

.split-left {
  padding: clamp(56px, 7vw, 108px) clamp(24px, 5vw, 76px) clamp(56px, 7vw, 108px) max(24px, calc((100vw - var(--container)) / 2 + 24px));
  background: var(--pane);
}

.why-list {
  margin-top: 44px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.why-item {
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.why-item-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 0 0 10px;
}

.why-idx {
  font: 600 20px/1 var(--mono);
  color: var(--copper);
  flex: none;
}

.why-title {
  margin: 0;
  font: 600 clamp(20px, 2vw, 26px)/1.2 var(--sans);
  letter-spacing: -0.02em;
  color: var(--copper-hi);
}

.why-body {
  margin: 0;
  padding-left: 40px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 48ch;
}

.split-right {
  position: relative;
  background:
    radial-gradient(70% 65% at 45% 48%, rgba(242, 87, 44, 0.22) 0%, rgba(86, 39, 29, 0.2) 42%, rgba(10, 10, 10, 0) 76%),
    var(--page-deep);
  border-left: 1px solid var(--copper-line);
}

.split-sticky {
  position: sticky;
  top: 75px;
  min-height: 620px;
  padding: clamp(36px, 5vw, 64px);
  display: grid;
  place-items: center;
}

.topology-card {
  width: min(460px, 100%);
  border-radius: 24px;
  padding: 28px;
  background: linear-gradient(160deg, rgba(30, 22, 23, 0.92) 0%, rgba(19, 19, 22, 0.96) 100%);
  border: 1px solid var(--copper-line);
  box-shadow:
    inset 0 1px 0 rgba(250, 215, 194, 0.2),
    var(--shadow-card);
}

.topo-node {
  padding: 15px 16px;
  border-radius: 14px;
  background: rgba(10, 10, 10, 0.78);
  border: 1px solid var(--line);
}

.topo-node.is-highlight {
  background: rgba(242, 87, 44, 0.1);
  border-color: rgba(242, 87, 44, 0.48);
}

.topo-node-kicker {
  font: 500 11px/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--copper-hi);
}

.topo-node-title {
  margin-top: 4px;
  font: 600 15px/1.25 var(--sans);
  color: var(--ink);
}

.topo-node-sub {
  margin-top: 4px;
  font: 400 12px/1.4 var(--mono);
  color: var(--ink-2);
}

.topo-connector {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font: 500 11.5px/1.2 var(--mono);
  color: var(--peach);
}

.topo-line {
  width: 2px;
  height: 22px;
  background: var(--grad-copper);
  border-radius: 2px;
}

.topo-line.is-dashed {
  background: repeating-linear-gradient(to bottom, var(--ink-2) 0 4px, transparent 4px 8px);
}

/* Section 6: 3-column outline-icon strip (Wix 3708 Always Connected) */
.section-guarantees {
  padding: clamp(68px, 8.5vw, 118px) 0;
  background: var(--page);
}

.guarantees-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3.5vw, 48px);
}

.guarantee-card {
  padding: 28px;
  border-radius: 22px;
  background: var(--pane);
  border: 1px solid var(--line);
}

.guarantee-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--espresso);
  border: 1px solid var(--copper-line);
  color: var(--copper-hi);
  margin-bottom: 22px;
}

.guarantee-icon svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.guarantee-title {
  margin: 0 0 10px;
  font: 600 22px/1.22 var(--sans);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.guarantee-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.58;
  color: var(--ink-2);
}

/* Section 7: Full-Width Copper/Espresso Accent CTA Band */
.cta-band {
  position: relative;
  padding: clamp(68px, 8.5vw, 112px) 0 clamp(104px, 11vw, 144px);
  background:
    radial-gradient(75% 120% at 84% 18%, rgba(242, 87, 44, 0.32) 0%, rgba(86, 39, 29, 0.42) 45%, var(--espresso) 100%);
  border-top: 1px solid var(--copper-line);
}

.cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.cta-heading {
  margin: 0;
  font: 600 clamp(34px, 4.8vw, 60px)/1.04 var(--sans);
  letter-spacing: -0.036em;
  color: var(--ink);
}

.cta-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.cta-copy {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  color: #dfd7d5;
}

.contact-callout {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(10, 10, 10, 0.56);
  border: 1px solid var(--copper-line);
  font: 500 15px/1.35 var(--sans);
  color: var(--peach);
}

.contact-callout a {
  text-decoration: underline;
  text-decoration-color: rgba(251, 148, 97, 0.55);
  text-underline-offset: 3px;
}

.contact-callout a:hover {
  color: #ffffff;
}

.copy-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--menu);
  color: var(--ink-2);
  font: 500 11.5px/1 var(--mono);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.copy-chip:hover {
  border-color: var(--copper-hi);
  color: var(--ink);
}

.copy-chip[data-copied="1"] {
  border-color: rgba(51, 204, 115, 0.55);
  color: var(--ok);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* Section 8: Rounded-Top Deep Obsidian Footer with Giant Wordmark */
.site-footer {
  position: relative;
  z-index: 4;
  margin-top: -36px;
  border-radius: 36px 36px 0 0;
  background: var(--page-deep);
  border-top: 1px solid var(--line);
  padding: clamp(56px, 7vw, 96px) 0 44px;
}

.footer-wordmark {
  margin: 0 0 clamp(40px, 6vw, 72px);
  font: 700 clamp(52px, 13.5vw, 184px)/0.88 var(--sans);
  letter-spacing: -0.05em;
  text-transform: uppercase;
  color: var(--ink);
  user-select: none;
}

.footer-wordmark span {
  background: var(--grad-copper);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.25fr) repeat(3, minmax(140px, 0.75fr));
  gap: clamp(28px, 4vw, 48px);
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

.footer-connect-title {
  margin: 0 0 10px;
  font: 600 12px/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper-hi);
}

.footer-connect-line {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
}

.footer-connect-line a {
  color: var(--peach);
  border-bottom: 1px solid var(--copper-line);
}

.footer-connect-line a:hover {
  color: #ffffff;
  border-bottom-color: var(--copper-hi);
}

.footer-col-title {
  margin: 0 0 14px;
  font: 600 12px/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: var(--ink-2);
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--ink);
}

.footer-bottom {
  padding-top: 28px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-3);
}

.footer-disclaimer {
  margin: 0;
  max-width: 78ch;
  color: var(--ink-2);
}

/* Subpages: Architecture & Terms */
.page-hero {
  background:
    radial-gradient(60% 90% at 80% 15%, rgba(242, 87, 44, 0.18) 0%, rgba(10, 10, 10, 0) 70%),
    var(--page-deep);
  padding: clamp(52px, 7vw, 92px) 0 clamp(76px, 9vw, 116px);
}

.doc-section {
  padding: clamp(48px, 6vw, 84px) 0;
}

.doc-grid {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.doc-toc {
  position: sticky;
  top: 104px;
  padding: 18px;
  border-radius: 16px;
  background: var(--pane);
  border: 1px solid var(--line);
}

.doc-toc-title {
  margin: 0 0 12px;
  font: 600 11.5px/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--copper-hi);
}

.doc-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.doc-toc a {
  font-size: 13.5px;
  color: var(--ink-2);
}

.doc-toc a:hover {
  color: var(--ink);
}

.doc-prose {
  display: flex;
  flex-direction: column;
  gap: 32px;
  min-width: 0;
}

.doc-card {
  padding: clamp(24px, 3.5vw, 36px);
  border-radius: 22px;
  background: var(--pane);
  border: 1px solid var(--line);
  min-width: 0;
}

.doc-card.is-copper {
  background: linear-gradient(155deg, #241716 0%, var(--espresso) 70%);
  border-color: var(--copper-line);
}

.doc-card h2 {
  margin: 0 0 12px;
  font: 600 clamp(21px, 2.4vw, 28px)/1.2 var(--sans);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.doc-card p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--ink-2);
}

.doc-card p:last-child {
  margin-bottom: 0;
}

.doc-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.doc-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.58;
  color: var(--ink-2);
}

.doc-list li::before {
  content: "-";
  position: absolute;
  left: 0;
  color: var(--copper-hi);
  font-family: var(--mono);
}

.doc-list li strong {
  color: var(--ink);
  font-weight: 600;
}

.code-block {
  position: relative;
  margin-top: 16px;
  border-radius: 14px;
  background: var(--page-deep);
  border: 1px solid var(--line);
  overflow: hidden;
}

.code-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 14px;
  background: var(--menu);
  border-bottom: 1px solid var(--line);
  font: 500 12px/1.2 var(--mono);
  color: var(--ink-2);
}

.code-block pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  font: 400 12.5px/1.58 var(--mono);
  color: #e6e8ee;
}

.route-table-wrap {
  margin-top: 16px;
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.route-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  background: var(--page-deep);
}

.route-table th,
.route-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.route-table th {
  font: 500 11.5px/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-2);
  background: var(--menu);
}

.route-table tr:last-child td {
  border-bottom: 0;
}

/* Responsive rules (1280px, 960px, 640px / 390px) */
@media (max-width: 1024px) {
  .hero-grid,
  .stack-grid,
  .split-band,
  .cta-grid,
  .doc-grid {
    grid-template-columns: 1fr;
  }

  .stack-intro,
  .stack-card,
  .split-sticky,
  .doc-toc {
    position: static;
  }

  .glass-slab {
    transform: none;
  }

  .glass-slab:hover {
    transform: none;
  }

  .split-left {
    padding: 64px max(24px, calc((100vw - var(--container)) / 2 + 24px));
  }

  .split-right {
    border-left: 0;
    border-top: 1px solid var(--copper-line);
  }

  .split-sticky {
    min-height: auto;
    padding: 56px 24px;
  }

  .matrix-columns {
    grid-template-columns: 1fr;
  }

  .guarantees-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .topbar {
    height: auto;
    min-height: 68px;
    padding: 10px 0;
  }

  .topbar-inner {
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .nav-links a {
    font-size: 12.5px;
    padding: 6px 0;
    white-space: nowrap;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .why-body {
    padding-left: 0;
  }

  .slab-amount {
    font-size: 34px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .canvas-overlap,
  .site-footer {
    border-radius: 26px 26px 0 0;
  }
}