/*
  Raccounting — "ledger by lamplight"
  A raccoon keeps its books at night: warm lamp-glow amber on a dark,
  paper-and-ink ground. Fraunces for voice, Plex Sans for reading,
  Plex Mono for anything that counts.
*/

:root {
  --ground: #111208;
  --surface: #1a1b11;
  --surface-2: #23241a;
  --line: rgba(242, 236, 221, 0.11);
  --line-strong: rgba(242, 236, 221, 0.20);

  --paper: #f2ecdd;
  --paper-dim: #b6ae94;
  --paper-faint: #7d795f;

  --lantern: #ffb020;
  --lantern-bright: #ffcb57;
  --lantern-dim: #e6941a;
  --lantern-wash: rgba(255, 176, 32, 0.14);

  --moon: #5aa8ff;

  --pop-pink: #ff5fa8;
  --pop-teal: #2dd9c4;
  --pop-violet: #b07cff;
  --pop-blue: #5aa8ff;

  --ledger-pos: #4ade80;
  --ledger-neg: #ff6b5b;

  --paper-bg: #f2ecdd;
  --paper-ink: #1c1c13;
  --paper-ink-dim: #6b6650;
  --paper-rule: rgba(28, 28, 19, 0.14);

  --shadow-card: 0 1px 1px rgba(0, 0, 0, 0.2), 0 12px 32px -12px rgba(0, 0, 0, 0.55);
  --shadow-lift: 0 2px 4px rgba(0, 0, 0, 0.25), 0 24px 48px -16px rgba(0, 0, 0, 0.6);
  --shadow-paper: 0 2px 2px rgba(28, 28, 19, 0.08), 0 20px 40px -20px rgba(28, 28, 19, 0.35);

  --radius: 18px;
  --radius-sm: 10px;
  --max-width: 1140px;

  --font-display: 'Fraunces', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--paper);
  background: var(--ground);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;

  background-image: repeating-linear-gradient(
    to bottom,
    rgba(242, 236, 221, 0.028),
    rgba(242, 236, 221, 0.028) 1px,
    transparent 1px,
    transparent 34px
  );
}

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

a {
  color: inherit;
}

code {
  font-family: var(--font-mono);
}

html[data-lang="ru"] .en { display: none; }
html[data-lang="en"] .ru { display: none; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--lantern);
  outline-offset: 3px;
  border-radius: 3px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Reveal-on-scroll */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

.features .feature-card:nth-child(1) { transition-delay: 0ms; }
.features .feature-card:nth-child(2) { transition-delay: 60ms; }
.features .feature-card:nth-child(3) { transition-delay: 120ms; }
.features .feature-card:nth-child(4) { transition-delay: 0ms; }
.features .feature-card:nth-child(5) { transition-delay: 60ms; }
.features .feature-card:nth-child(6) { transition-delay: 120ms; }
.features .feature-card:nth-child(7) { transition-delay: 0ms; }
.features .feature-card:nth-child(8) { transition-delay: 60ms; }
.features .feature-card:nth-child(9) { transition-delay: 120ms; }

.arch-list li:nth-child(1) { transition-delay: 0ms; }
.arch-list li:nth-child(2) { transition-delay: 70ms; }
.arch-list li:nth-child(3) { transition-delay: 140ms; }
.arch-list li:nth-child(4) { transition-delay: 210ms; }

.steps li:nth-child(1) { transition-delay: 0ms; }
.steps li:nth-child(2) { transition-delay: 70ms; }
.steps li:nth-child(3) { transition-delay: 140ms; }
.steps li:nth-child(4) { transition-delay: 210ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Nav */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(17, 18, 8, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  text-decoration: none;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.brand .mark {
  font-size: 20px;
  line-height: 1;
  filter: sepia(0.3) saturate(1.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--paper-dim);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.nav-links a:hover {
  color: var(--paper);
}

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

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px;
}

.lang-toggle-btn {
  border: none;
  background: transparent;
  color: var(--paper-dim);
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-toggle-btn:hover {
  color: var(--paper);
}

.lang-toggle-btn[aria-pressed="true"] {
  background: var(--lantern);
  color: #201202;
}

.lang-toggle-btn[aria-pressed="true"]:hover {
  color: #201202;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 12px 22px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--lantern);
  color: #201202;
}

.btn-primary:hover {
  background: var(--lantern-bright);
  box-shadow: 0 8px 24px -8px rgba(255, 176, 32, 0.55);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  border-color: var(--paper-dim);
  background: rgba(242, 236, 221, 0.04);
}

.btn-sm {
  padding: 8px 15px;
  font-size: 13px;
}

/* Hero */

.hero {
  position: relative;
  padding: 88px 0 44px;
  overflow: hidden;
}

.glow {
  position: absolute;
  top: -220px;
  right: -200px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 176, 32, 0.22) 0%, transparent 45%),
    radial-gradient(circle at 65% 60%, rgba(255, 95, 168, 0.16) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(176, 124, 255, 0.12) 0%, transparent 60%);
  pointer-events: none;
  filter: blur(10px);
  animation: breathe 9s ease-in-out infinite;
}

.glow-2 {
  position: absolute;
  top: 120px;
  left: -220px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 217, 196, 0.14) 0%, transparent 65%);
  pointer-events: none;
  filter: blur(10px);
  animation: breathe 11s ease-in-out infinite reverse;
}

@keyframes breathe {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  .glow, .glow-2 { animation: none; }
}

.hero .wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero .wrap > div {
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--lantern-bright);
  border: 1px solid rgba(255, 176, 32, 0.35);
  background: var(--lantern-wash);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(38px, 4.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 22px;
  text-wrap: balance;
}

.hero h1 .accent {
  font-style: italic;
  font-weight: 500;
  color: var(--lantern);
}

.hero p.lead {
  font-size: 18px;
  color: var(--paper-dim);
  margin: 0 0 34px;
  max-width: 46ch;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-meta {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--paper-faint);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-meta strong {
  color: var(--paper-dim);
  font-weight: 500;
}

/* Hero phone — the actual mobile UI, not a mockup */

.hero-phone {
  display: flex;
  justify-content: center;
}

.phone {
  position: relative;
  width: min(280px, 72vw);
}

.phone-body {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 46px;
  padding: 12px;
  box-shadow: var(--shadow-lift);
}

.phone-screen {
  position: relative;
  border-radius: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #f8fafc;
}

.phone-screen img {
  display: block;
  width: 100%;
  height: auto;
}

.phone-island {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 84px;
  height: 22px;
  background: #050602;
  border-radius: 12px;
  z-index: 2;
}

.phone-badge {
  position: absolute;
  bottom: 22px;
  right: -34px;
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 14px 8px 10px;
  box-shadow: var(--shadow-card);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--paper-dim);
}

.phone-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ledger-pos);
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.18);
}

@media (max-width: 480px) {
  .phone-badge { right: -8px; font-size: 10.5px; padding: 7px 11px 7px 9px; }
}

/* Ledger mockup panel */

.mockup {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
  padding: 22px;
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
}

.mockup-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-strong);
}

.mockup-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--paper-faint);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.mockup-balance {
  padding: 20px;
  border-radius: 12px;
  background: linear-gradient(155deg, var(--surface-2), #191a11 70%);
  border: 1px solid var(--line);
  margin-bottom: 18px;
}

.mockup-balance .label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--paper-faint);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mockup-balance .amount {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.mockup-balance .amount .cur {
  color: var(--lantern);
}

.mockup-bars {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 60px;
  padding: 0 2px 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.mockup-bars .bar {
  flex: 1;
  border-radius: 3px 3px 0 0;
  background: rgba(255, 176, 32, 0.22);
}

.mockup-bars .bar.active {
  background: linear-gradient(to top, var(--lantern-dim), var(--lantern-bright));
}

.mockup-rows {
  display: flex;
  flex-direction: column;
}

.mockup-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
}

.mockup-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.mockup-row .swatch {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mockup-row .name {
  color: var(--paper-dim);
  flex: 1;
}

.mockup-row .val {
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.mockup-row .val.pos { color: var(--ledger-pos); }
.mockup-row .val.neg { color: var(--ledger-neg); }

/* Facts strip */

.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 40px;
  justify-content: space-between;
  padding: 22px 24px;
}

.strip .fact {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--paper-faint);
  display: flex;
  align-items: center;
  gap: 9px;
}

.strip .fact::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lantern);
  flex-shrink: 0;
}

.strip .fact strong {
  color: var(--paper);
  font-weight: 500;
}

/* Section headings */

section {
  padding: 96px 0;
}

.section-head {
  max-width: 60ch;
  margin: 0 0 52px;
}

.section-head .kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--lantern);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 2.6vw, 36px);
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  text-wrap: balance;
}

.section-head p {
  color: var(--paper-dim);
  font-size: 16px;
  margin: 0;
  max-width: 56ch;
}

/* Features grid */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--card-accent, rgba(255, 176, 32, 0.35));
  transform: translateY(-3px);
}

.icon-badge {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--lantern);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

/* Cycle four accent hues across the grid so the feature tour reads as varied,
   not a single-color checklist. */
.feature-card:nth-child(4n+1) { --card-accent: var(--lantern); }
.feature-card:nth-child(4n+2) { --card-accent: var(--pop-pink); }
.feature-card:nth-child(4n+3) { --card-accent: var(--pop-teal); }
.feature-card:nth-child(4n+4) { --card-accent: var(--pop-violet); }

.feature-card .icon-badge {
  color: var(--card-accent, var(--lantern));
  background: color-mix(in srgb, var(--card-accent, var(--lantern)) 14%, var(--surface-2));
  border-color: color-mix(in srgb, var(--card-accent, var(--lantern)) 28%, var(--line));
}

.icon-badge svg {
  width: 21px;
  height: 21px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h3 {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 9px;
  color: var(--paper);
}

.feature-card p {
  font-size: 14px;
  color: var(--paper-dim);
  margin: 0;
  line-height: 1.65;
}

/* Screen tour */

.screens-list {
  display: flex;
  flex-direction: column;
  gap: 88px;
}

.screen-row .screen-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.screen-row .screen-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lantern);
  letter-spacing: 0.04em;
}

.screen-row h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 2.1vw, 27px);
  margin: 0;
  letter-spacing: -0.005em;
}

.screen-row p {
  color: var(--paper-dim);
  font-size: 15.5px;
  max-width: 68ch;
  margin: 0 0 26px;
}

.shot-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 8px 0;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
}

.shot-frame .shot-chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 8px 10px 10px;
}

.shot-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px 8px 0 0;
  border: 1px solid var(--line);
  border-bottom: none;
  background: #f8fafc;
}

/* Architecture */

.arch {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.arch-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 96px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.arch-inner > div {
  min-width: 0;
}

.arch-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.arch-list li {
  display: flex;
  gap: 14px;
}

.arch-list li > div {
  min-width: 0;
}

.arch-list .check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--lantern-wash);
  color: var(--lantern);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.arch-list .check svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  stroke-width: 2.1;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.arch-list li strong {
  color: var(--paper);
  display: block;
  margin-bottom: 3px;
  font-size: 14.5px;
  font-weight: 600;
}

.arch-list li p {
  margin: 0;
  font-size: 14px;
  color: var(--paper-dim);
  line-height: 1.6;
}

.arch-diagram {
  background: var(--ground);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  color: var(--paper-dim);
  overflow-x: auto;
}

.arch-diagram .h { color: var(--lantern); font-weight: 500; }
.arch-diagram .w { color: var(--paper); }
.arch-diagram .cmt { color: var(--paper-faint); }

/* Quickstart */

#quickstart .wrap .wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: start;
}

#quickstart .wrap .wrap > div {
  min-width: 0;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.steps li {
  display: flex;
  gap: 16px;
}

.steps li > div {
  min-width: 0;
}

.steps .step-num {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  color: var(--lantern);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
}

.steps strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--paper);
}

.steps span {
  font-size: 14px;
  color: var(--paper-dim);
}

.steps code {
  color: var(--paper);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 12.5px;
}

.quickstart-note {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--paper-faint);
  margin: 30px 0 0;
  padding-top: 26px;
  border-top: 1px dashed var(--line);
}

.run-toggle {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px;
  margin-bottom: 16px;
}

.run-toggle-btn {
  border: none;
  background: transparent;
  color: var(--paper-dim);
  padding: 7px 18px;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background 0.15s ease, color 0.15s ease;
}

.run-toggle-btn:hover {
  color: var(--paper);
}

.run-toggle-btn[aria-pressed="true"] {
  background: var(--lantern);
  color: #201202;
}

.run-toggle-btn[aria-pressed="true"]:hover {
  color: #201202;
}

/* The one paper moment: quickstart code rendered like a ledger page */

.paper-card {
  background: var(--paper-bg);
  border-radius: var(--radius);
  padding: 4px;
  box-shadow: var(--shadow-paper);
  transform: rotate(0.4deg);
}

.paper-card[hidden] {
  display: none;
}

.paper-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px 10px;
}

.paper-head .paper-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper-ink-dim);
}

.paper-head .paper-dots span {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--paper-rule);
  margin-left: 5px;
}

.paper-card pre {
  margin: 0;
  padding: 6px 22px 22px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  color: var(--paper-ink);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 1.94em,
    var(--paper-rule) 1.94em,
    var(--paper-rule) calc(1.94em + 1px)
  );
}

.paper-card .cmt { color: var(--paper-ink-dim); font-style: italic; }
.paper-card .cmd { color: var(--paper-ink); font-weight: 500; }
.paper-card .cmd::before { content: "$ "; color: var(--ledger-neg); }
.paper-card .cmd-cont { color: var(--paper-ink); font-weight: 500; padding-left: 1.4em; }

/* Footer */

footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
}

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

.footer-links {
  display: flex;
  gap: 26px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--paper-faint);
}

.footer-links a {
  text-decoration: none;
  color: var(--paper-faint);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--paper-faint);
}

/* CTA band */

.cta-band {
  text-align: center;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 600;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.cta-band p {
  color: var(--paper-dim);
  font-size: 16px;
  margin: 0 0 34px;
}

.cta-band .hero-ctas {
  justify-content: center;
}

/* Responsive */

@media (max-width: 860px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 56px;
  }

  .features {
    grid-template-columns: repeat(2, 1fr);
  }

  .arch-inner {
    grid-template-columns: 1fr;
    padding: 56px 24px;
  }

  #quickstart .wrap .wrap {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  section {
    padding: 64px 0;
  }

  .paper-card {
    transform: none;
  }
}

@media (max-width: 560px) {
  .features {
    grid-template-columns: 1fr;
  }

  .strip .wrap {
    justify-content: flex-start;
  }

  footer .wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h1 {
    font-size: 34px;
  }
}