/* =====================================================================
   coudit landing — light, editorial, low-gradient
   - off-white background, true black text, single bold accent (orange)
   - serif display headings (Instrument Serif) + Inter body + JetBrains Mono
   - SVG illustrations, scroll-reveal animations, no CDN besides Google Fonts
   ===================================================================== */

:root {
  --bg:        #fafaf7;
  --bg-soft:   #f3f2ed;
  --ink:       #0a0a0a;
  --ink-soft:  #2a2a2a;
  --muted:     #6b6b66;
  --line:      #0a0a0a;
  --line-soft: #d8d6cc;
  --accent:    #ff5722;
  --accent-ink:#7a2710;
  --radius:    14px;
  --radius-sm: 10px;
  --max-w:     1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

code, pre {
  font-family: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}

code {
  font-size: 0.88em;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--ink);
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ----- common headings ----- */
h1, h2, h3 { letter-spacing: -0.02em; }
h1 {
  font-family: "Instrument Serif", "Times New Roman", serif;
  font-weight: 400;
  font-size: clamp(48px, 6.2vw, 78px);
  line-height: 1.02;
  margin: 0 0 24px;
}
h1 em {
  font-style: italic;
  color: var(--accent);
  font-family: "Instrument Serif", serif;
}
h2 {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.08;
  margin: 0 0 16px;
}
h2 em {
  font-style: italic;
  color: var(--accent);
}
h3 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 19px;
  margin: 0 0 10px;
}
.eyebrow {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  padding: 4px 0;
  border-bottom: 1.5px solid var(--accent);
}
.subtitle {
  color: var(--muted);
  font-size: 18px;
  max-width: 640px;
}

.section-head { text-align: center; margin: 0 auto 64px; max-width: 720px; }
.section-head .subtitle { margin: 0 auto; }

/* ----- nav ----- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(250, 250, 247, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-row {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.brand-name { color: var(--ink); }
.brand-mark { line-height: 0; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
}
.nav-links a {
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
}
.nav-links a:not(.nav-cta):after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: -2px;
  height: 1.5px;
  background: var(--accent);
  transition: right 0.2s ease;
}
.nav-links a:not(.nav-cta):hover:after { right: 0; }
.nav-cta {
  background: var(--ink);
  color: var(--bg) !important;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 500;
  transition: transform 0.15s, background 0.15s;
}
.nav-cta:hover { transform: translateY(-1px); background: var(--accent); }

/* ----- buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  border: 1.5px solid transparent;
  transition: transform 0.15s, background 0.15s, color 0.15s, border-color 0.15s;
  cursor: pointer;
}
.btn .arrow { transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--ink); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--bg); }
.btn-link {
  background: transparent;
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
  padding: 14px 6px;
}
.btn-link:hover { color: var(--accent); }

/* ----- hero ----- */
.hero { padding: 100px 0 80px; position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  top: 40px; left: -200px;
  width: 400px; height: 400px;
  background: radial-gradient(closest-side, rgba(255, 87, 34, 0.06), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.hero-text .lead {
  font-size: 20px;
  color: var(--ink-soft);
  max-width: 540px;
  margin: 0 0 36px;
}
.hero-text .lead strong { color: var(--accent); font-weight: 600; }
.cta-row {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}
.hero-meta {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}
.dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.5; }
}

/* ----- hero pipeline illustration ----- */
.hero-art {
  position: relative;
  filter: drop-shadow(0 24px 48px rgba(10, 10, 10, 0.08));
}
.pipeline {
  width: 100%;
  height: auto;
}
.pipeline .node-scanner {
  transform-origin: center;
  animation: bobScanner 4s ease-in-out infinite;
  animation-delay: calc(var(--i) * 0.3s);
}
@keyframes bobScanner {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(-4px); }
}
.pipeline .data-dot {
  filter: drop-shadow(0 0 6px rgba(255, 87, 34, 0.6));
}
.pipeline .wires { opacity: 0.55; }
.pipeline .node-core {
  animation: corePulse 3s ease-in-out infinite;
  transform-origin: 260px 287px;
}
@keyframes corePulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.025); }
}

/* ----- stats bar ----- */
.stats-bar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  color: var(--bg);
  padding: 28px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat .num {
  font-family: "Instrument Serif", serif;
  font-size: 38px;
  line-height: 1;
  color: var(--accent);
}
.stat .label {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.6);
}

/* ----- sections ----- */
section { padding: 110px 0; position: relative; }
section + section:not(.stats-bar):not(.final-cta) {
  border-top: 1px solid var(--line-soft);
}

/* ----- how steps ----- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.step {
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 28px 24px;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.step:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0 var(--ink);
}
.step-art {
  width: 84px;
  height: 64px;
  margin-bottom: 20px;
}
.step-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.15em;
  background: var(--accent);
  color: #fff;
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.step p { color: var(--muted); font-size: 15px; margin: 0 0 18px; }
.step-code {
  display: block;
  font-size: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--ink-soft);
  overflow-x: auto;
}

/* ----- use it grid ----- */
.use-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.use-card {
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.use-card:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0 var(--ink);
}
.use-card.featured {
  background: var(--ink);
  color: var(--bg);
}
.use-card.featured h3 { color: var(--bg); }
.use-card.featured p,
.use-card.featured .use-steps li { color: rgba(250, 250, 247, 0.78); }
.use-card.featured code { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.12); color: var(--accent); }
.use-card.featured .terminal.mini { background: #000; border-color: #000; }
.use-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.use-card.featured .use-tag { color: var(--accent); }
.use-card p { color: var(--muted); margin: 0 0 18px; font-size: 15px; }
.use-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  counter-reset: step;
}
.use-steps li {
  position: relative;
  padding-left: 30px;
  font-size: 14.5px;
  color: var(--ink-soft);
  counter-increment: step;
}
.use-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 1px;
  width: 20px; height: 20px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-size: 11px;
  font-family: "JetBrains Mono", monospace;
  display: grid;
  place-items: center;
  opacity: 0.7;
}

/* ----- terminal ----- */
.terminal {
  background: #0a0a0a;
  color: #f0f0ee;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  line-height: 1.55;
}
.terminal.mini {
  margin-top: auto;
  background: var(--bg-soft);
  color: var(--ink);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12.5px;
}
.terminal .prompt { color: var(--accent); margin-right: 6px; }
.terminal .cmd { color: var(--ink); }
.use-card.featured .terminal .cmd { color: #f0f0ee; }
.terminal.big {
  box-shadow: 0 24px 60px rgba(10, 10, 10, 0.18);
}
.term-bar {
  background: #1a1a1a;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #2a2a2a;
}
.term-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.term-dot.red    { background: #ff5f56; }
.term-dot.yellow { background: #ffbd2e; }
.term-dot.green  { background: #27c93f; }
.term-title {
  margin-left: 12px;
  color: #888;
  font-size: 12px;
}
.term-body {
  padding: 20px 22px;
  min-height: 340px;
  font-size: 13px;
}
.term-body .line { display: block; margin: 2px 0; min-height: 1.55em; }
.term-body .pmt   { color: var(--accent); margin-right: 6px; }
.term-body .info  { color: #6ee7b7; }
.term-body .warn  { color: #fbbf24; }
.term-body .ok    { color: #6ee7b7; font-weight: 600; }
.term-body .dim   { color: #888; }
.term-body .blink {
  display: inline-block;
  background: var(--accent);
  width: 8px; height: 14px;
  vertical-align: middle;
  animation: blink 1s steps(2) infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* ----- demo section ----- */
.demo {
  background: var(--bg-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 60px;
  align-items: center;
}
.demo h2 { margin-bottom: 14px; }
.demo p { color: var(--ink-soft); font-size: 17px; }
.demo-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.demo-list li {
  padding-left: 26px;
  position: relative;
  color: var(--ink-soft);
}
.demo-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 12px; height: 6px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* ----- features ----- */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.feat {
  padding: 32px 28px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.2s;
}
.feat:hover { background: var(--bg-soft); }
.feat:nth-child(3n) { border-right: none; }
.feat:nth-last-child(-n+3) { border-bottom: none; }
.feat-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
}
.feat p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}

/* ----- pricing ----- */
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}
.plan {
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.plan:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0 var(--ink);
}
.plan h3 {
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 13px;
  margin: 0 0 22px;
  color: var(--muted);
}
.plan.featured {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.plan.featured h3 { color: var(--accent); }
.plan.featured .plan-desc { color: rgba(250, 250, 247, 0.7); }
.plan.featured ul li { color: rgba(250, 250, 247, 0.9); }
.plan.featured ul li::before { border-color: var(--accent); }
.plan-tag {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
}
.price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}
.amount {
  font-family: "Instrument Serif", serif;
  font-size: 56px;
  line-height: 1;
}
.per {
  color: var(--muted);
  font-size: 14px;
}
.plan.featured .per { color: rgba(250, 250, 247, 0.6); }
.plan-desc {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 15px;
}
.plan ul {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.plan li {
  padding-left: 26px;
  position: relative;
  font-size: 15px;
  color: var(--ink-soft);
}
.plan li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 12px; height: 6px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.plan .btn { text-align: center; justify-content: center; }

/* ----- faq ----- */
.faq .container { max-width: 820px; }
.faq-list { display: flex; flex-direction: column; gap: 0; border: 1.5px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.faq details {
  border-bottom: 1px solid var(--line-soft);
}
.faq details:last-child { border-bottom: none; }
.faq summary {
  padding: 22px 28px;
  font-weight: 500;
  font-size: 17px;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background 0.15s;
}
.faq summary:hover { background: var(--bg-soft); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  width: 14px;
  height: 14px;
  position: relative;
  flex-shrink: 0;
  background:
    linear-gradient(var(--ink), var(--ink)) center/2px 100% no-repeat,
    linear-gradient(var(--ink), var(--ink)) center/100% 2px no-repeat;
  transition: transform 0.25s;
}
.faq details[open] summary::after {
  transform: rotate(45deg);
  background:
    linear-gradient(var(--accent), var(--accent)) center/2px 100% no-repeat,
    linear-gradient(var(--accent), var(--accent)) center/100% 2px no-repeat;
}
.faq details p {
  padding: 0 28px 22px;
  color: var(--muted);
  margin: -6px 0 0;
  font-size: 15.5px;
}

/* ----- final cta ----- */
.final-cta {
  background: var(--ink);
  color: var(--bg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.final-cta h2 { color: var(--bg); margin: 0 0 8px; }
.final-cta h2 em { color: var(--accent); }
.final-cta p { color: rgba(250, 250, 247, 0.7); margin: 0; font-size: 18px; }
.final-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.final-cta .btn-outline { color: var(--bg); border-color: var(--bg); }
.final-cta .btn-outline:hover { background: var(--bg); color: var(--ink); }

/* ----- footer ----- */
.footer {
  background: var(--bg);
  padding: 64px 0 28px;
}
.footer-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer h4 {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.footer a:not(.brand) {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  padding: 4px 0;
}
.footer a:not(.brand):hover { color: var(--accent); }
.muted { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.copyright {
  border-top: 1px solid var(--line-soft);
  padding-top: 22px;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.status { display: inline-flex; align-items: center; gap: 8px; }
.status-dot {
  width: 8px; height: 8px;
  background: #16a34a;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.18);
}

/* ----- scroll reveal ----- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--d, 0ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .pipeline .node-scanner,
  .pipeline .node-core,
  .dot { animation: none; }
  .data-dot { display: none; }
}

/* ----- responsive ----- */
@media (max-width: 1000px) {
  .hero-grid, .demo-grid { grid-template-columns: 1fr; gap: 48px; }
  .steps, .use-grid, .plans { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .feat { border-right: none !important; border-bottom: 1px solid var(--line-soft) !important; }
  .feat:last-child { border-bottom: none !important; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-row { grid-template-columns: 1fr 1fr; }
  section { padding: 72px 0; }
  .nav-links a:not(.nav-cta) { display: none; }
}

@media (max-width: 600px) {
  h1 { font-size: 44px; }
  h2 { font-size: 30px; }
  .container { padding: 0 20px; }
  .final-row { flex-direction: column; align-items: flex-start; }
}