/* ─── Engine Room DnA — marketing site
   Built on the same tokens as the product app (DM Sans + DM Mono,
   warm off-white bg, near-black text, blue accent, dark slate band).
   ────────────────────────────────────────────────────────────── */

:root {
  /* Surface */
  --bg: oklch(98% 0.004 250);
  --bg-2: oklch(95.5% 0.006 250);
  --bg-3: oklch(93% 0.008 250);
  --surface: oklch(99.5% 0.002 250);
  --border: oklch(90% 0.007 250);
  --border-light: oklch(93.5% 0.005 250);

  /* Text */
  --text-1: oklch(17% 0.014 255);
  --text-2: oklch(42% 0.012 255);
  --text-3: oklch(60% 0.010 255);
  --text-4: oklch(72% 0.008 255);

  /* Accent (blue) */
  --accent: oklch(52% 0.18 258);
  --accent-dim: oklch(52% 0.18 258 / 0.10);
  --accent-soft: oklch(94% 0.04 258);
  --accent-hover: oklch(46% 0.18 258);
  --accent-text: oklch(40% 0.18 258);

  /* Status */
  --green: oklch(54% 0.14 158);
  --green-dim: oklch(54% 0.14 158 / 0.12);
  --green-soft: oklch(94% 0.04 158);
  --amber: oklch(64% 0.14 65);
  --amber-dim: oklch(64% 0.14 65 / 0.12);
  --rose: oklch(58% 0.16 18);

  /* Dark slate (matches app sidebar) */
  --slate: oklch(17% 0.020 255);
  --slate-2: oklch(22% 0.018 255);
  --slate-3: oklch(27% 0.022 255);
  --slate-border: oklch(26% 0.018 255);
  --slate-text: oklch(85% 0.010 255);
  --slate-text-2: oklch(55% 0.012 255);

  /* Geometry */
  --radius-sm: 6px;
  --radius: 9px;
  --radius-lg: 13px;
  --radius-xl: 18px;
  --radius-2xl: 24px;

  --font: "DM Sans", system-ui, sans-serif;
  --mono: "DM Mono", ui-monospace, monospace;

  --shadow-sm: 0 1px 2px oklch(0% 0 0 / 0.05);
  --shadow: 0 1px 3px oklch(0% 0 0 / 0.06), 0 4px 14px oklch(0% 0 0 / 0.04);
  --shadow-lg: 0 2px 6px oklch(0% 0 0 / 0.05), 0 18px 40px oklch(0% 0 0 / 0.08);

  --max: 1240px;
  --gutter: 32px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body { overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; -webkit-appearance: none; appearance: none; }

::selection { background: var(--accent-dim); color: var(--text-1); }

/* ─── Shell ─────────────────────────────────────────────────── */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ─── Nav ──────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  padding: 14px 0;
  background: oklch(98% 0.004 250 / 0.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s;
}
.nav.scrolled {
  border-bottom-color: var(--border-light);
  background: oklch(98% 0.004 250 / 0.85);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 30px; height: 30px;
  background: var(--accent);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 11px;
  letter-spacing: 0.04em;
  box-shadow: 0 1px 0 oklch(100% 0 0 / 0.4) inset, 0 1px 2px oklch(0% 0 0 / 0.12);
}
.brand-name {
  font-weight: 600; font-size: 14.5px;
  letter-spacing: -0.01em;
}
.brand-name .dim { color: var(--text-3); font-weight: 500; }
.nav-links {
  display: flex; gap: 28px;
  margin-left: 32px;
}
.nav-link {
  font-size: 13.5px; font-weight: 500;
  color: var(--text-2);
  transition: color .15s;
}
.nav-link:hover { color: var(--text-1); }
.nav-cta-wrap { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.btn {
  height: 36px;
  padding: 0 16px;
  border-radius: 8px;
  border: 0;
  font: 600 13px var(--font);
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background .15s, color .15s, border-color .15s, transform .1s;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent; color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text-1); border-color: var(--text-4); background: var(--surface); }
.btn-on-dark {
  background: oklch(99% 0.002 250);
  color: var(--text-1);
}
.btn-on-dark:hover { background: #fff; }
.btn-ghost-dark {
  background: transparent;
  color: var(--slate-text);
  border: 1px solid var(--slate-border);
}
.btn-ghost-dark:hover { background: var(--slate-2); border-color: var(--slate-3); }
.btn-lg { height: 44px; padding: 0 22px; font-size: 14px; border-radius: 10px; }

/* ─── Section frame ────────────────────────────────────────── */
.section { padding: 96px 0; position: relative; }
.section-tight { padding: 64px 0; }
.section-tag {
  display: inline-flex; align-items: center; gap: 7px;
  align-self: flex-start;
  width: fit-content;
  font: 600 11px var(--font);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--accent-text);
  background: var(--accent-dim);
  border-radius: 100px;
  padding: 5px 11px;
  white-space: nowrap;
}
.section-tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.section-tag.green { color: var(--green); background: var(--green-dim); }
.section-tag.green .dot { background: var(--green); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}
.section-title {
  font: 600 clamp(34px, 4.2vw, 52px) var(--font);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--text-1);
  margin: 14px 0 14px;
  max-width: 18ch;
  text-wrap: balance;
}
.section-lede {
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-2);
  max-width: 56ch;
  text-wrap: pretty;
}

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
  padding: 56px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}
@media (min-width: 980px) {
  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 64px; }
}
.hero-left {
  display: flex; flex-direction: column; gap: 22px;
  animation: fadeUp .7s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-h1 {
  font: 600 clamp(40px, 6vw, 72px) var(--font);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--text-1);
  margin: 0;
  text-wrap: balance;
}
.hero-h1 .accent-word { color: var(--accent); }
.hero-h1 .quiet { color: var(--text-3); font-weight: 500; }
.hero-lede {
  font-size: 18.5px;
  line-height: 1.55;
  color: var(--text-2);
  max-width: 50ch;
  margin: 0;
  text-wrap: pretty;
}
.hero-ctas { display: flex; gap: 10px; align-items: center; margin-top: 8px; }
.hero-meta {
  display: flex; gap: 18px; align-items: center;
  font: 500 12px var(--mono);
  color: var(--text-3);
  margin-top: 18px;
  flex-wrap: wrap;
}
.hero-meta-item { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta-item .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px var(--green-dim);
}

/* Hero animated card on the right */
.hero-card {
  position: relative;
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: cardIn .8s cubic-bezier(.2,.7,.2,1) both .15s;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.hero-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at top right, var(--accent-dim), transparent 60%);
  pointer-events: none;
  opacity: 0.6;
}
.hc-head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg);
}
.hc-dots { display: flex; gap: 5px; }
.hc-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--bg-3); }
.hc-dot:nth-child(1) { background: oklch(72% 0.13 18); }
.hc-dot:nth-child(2) { background: oklch(78% 0.13 80); }
.hc-dot:nth-child(3) { background: oklch(72% 0.14 158); }
.hc-title {
  font: 500 12px var(--mono);
  color: var(--text-3);
  margin-left: 6px;
}
.hc-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 18px; }
.hc-prompt {
  display: flex; align-items: flex-start; gap: 12px;
}
.hc-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: oklch(50% 0.012 255);
  color: #fff;
  font: 600 10px var(--mono);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 2px;
}
.hc-avatar.agent {
  background: linear-gradient(135deg, var(--accent) 0%, oklch(60% 0.18 290) 100%);
}
.hc-bubble {
  font: 500 14px var(--font);
  color: var(--text-1);
  line-height: 1.5;
  flex: 1;
  min-height: 22px;
}
.hc-caret {
  display: inline-block;
  width: 2px; height: 16px;
  background: var(--accent);
  vertical-align: -3px;
  margin-left: 1px;
  animation: blink 0.9s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hc-count-row {
  display: flex; align-items: baseline; gap: 12px;
  padding: 16px 18px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.hc-count {
  font: 700 44px/1 var(--mono);
  letter-spacing: -0.03em;
  color: var(--text-1);
  font-variant-numeric: tabular-nums;
}
.hc-count-label {
  font: 500 13px var(--font);
  color: var(--text-3);
}
.hc-count-delta {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 5px;
  font: 600 11px var(--mono);
  color: var(--green);
  background: var(--green-dim);
  border-radius: 100px;
  padding: 3px 9px;
  align-self: center;
}

.hc-filters { display: flex; flex-direction: column; gap: 8px; }
.hc-filter {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px;
  background: var(--green-soft);
  border: 1px solid var(--green);
  border-radius: var(--radius);
  font: 500 12.5px var(--mono);
  color: var(--text-1);
  animation: filterIn .5s cubic-bezier(.2,.7,.2,1) both;
}
.hc-filter .ico {
  width: 18px; height: 18px; border-radius: 5px;
  background: var(--green); color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.hc-filter .label {
  font: 600 10px var(--font);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--green);
  margin-right: 2px;
}
@keyframes filterIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.hc-filter:nth-child(2) { animation-delay: .15s; }
.hc-filter:nth-child(3) { animation-delay: .30s; }

/* Hero glow */
.hero::before, .hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
}
.hero::before {
  width: 540px; height: 540px;
  top: -200px; right: -160px;
  background: radial-gradient(circle, var(--accent-dim), transparent 65%);
  filter: blur(40px);
}
.hero::after {
  width: 380px; height: 380px;
  bottom: -120px; left: -120px;
  background: radial-gradient(circle, oklch(78% 0.12 158 / 0.15), transparent 65%);
  filter: blur(40px);
}
.hero .wrap { position: relative; z-index: 1; }

/* Trust strip */
.trust {
  padding: 28px 0 8px;
  display: flex; align-items: center; gap: 36px;
  flex-wrap: wrap;
  color: var(--text-4);
  font: 500 11.5px var(--mono);
}
.trust-label { color: var(--text-3); letter-spacing: 0.03em; text-transform: uppercase; }
.trust-logos { display: flex; gap: 30px; flex-wrap: wrap; align-items: center; }
.trust-logo {
  font: 600 14px var(--font);
  color: var(--text-3);
  letter-spacing: -0.01em;
  opacity: 0.75;
  transition: opacity .15s, color .15s;
}
.trust-logo:hover { opacity: 1; color: var(--text-2); }

/* ─── Section header common ────────────────────────────────── */
.section-head {
  display: flex; flex-direction: column; gap: 0;
  margin-bottom: 48px;
  max-width: 720px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; align-items: center; }
.section-head.center .section-tag { align-self: center; }
.section-head.split { max-width: none; flex-direction: row; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.section-head.split .head-left { max-width: 720px; }

/* ─── Live demo ────────────────────────────────────────────── */
.demo {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  position: relative;
}
.demo-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .demo-card { grid-template-columns: 1fr 1fr; }
}
.demo-left {
  padding: 28px 28px 24px;
  display: flex; flex-direction: column; gap: 16px;
  border-right: 1px solid var(--border-light);
  background: var(--surface);
  min-height: 540px;
}
.demo-right {
  background: var(--bg);
  padding: 28px;
  display: flex; flex-direction: column; gap: 18px;
  min-height: 540px;
}
.demo-head-row {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}
.demo-head-row > .demo-head-meta { flex: 1; min-width: 0; }
.demo-head-row .demo-head-meta .demo-head-title { line-height: 1.1; }
.demo-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), oklch(60% 0.18 290));
  color: #fff;
  font: 700 10.5px var(--mono);
  display: flex; align-items: center; justify-content: center;
}
.demo-head-title { font: 600 13.5px var(--font); color: var(--text-1); }
.demo-head-sub { font: 500 11.5px var(--mono); color: var(--text-3); margin-left: auto; }

.demo-templates { display: flex; gap: 7px; flex-wrap: wrap; }
.demo-tpl {
  padding: 6px 11px;
  border-radius: 100px;
  background: var(--bg);
  border: 1px solid var(--border);
  font: 500 12px var(--font);
  color: var(--text-2);
  cursor: pointer;
  transition: all .12s;
  display: inline-flex; align-items: center; gap: 5px;
}
.demo-tpl:hover { border-color: var(--accent); color: var(--accent-text); background: var(--accent-dim); }
.demo-tpl .spark { color: var(--accent); }

.demo-input-box {
  display: flex; align-items: flex-end; gap: 8px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  padding: 8px 8px 8px 14px;
  transition: border-color .15s, box-shadow .15s;
  margin-top: auto;
}
.demo-input-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-dim); }
.demo-input {
  flex: 1; min-height: 28px; max-height: 120px;
  border: 0; background: transparent; outline: none;
  font: 14.5px/1.5 var(--font);
  color: var(--text-1);
  resize: none;
  padding: 6px 0;
}
.demo-input::placeholder { color: var(--text-3); }
.demo-send {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--accent); color: #fff;
  border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, opacity .15s;
  flex-shrink: 0;
}
.demo-send:hover { background: var(--accent-hover); }
.demo-send:disabled { opacity: 0.4; cursor: not-allowed; }

.demo-msg {
  display: flex; flex-direction: column; gap: 7px;
  animation: fadeUp .35s ease-out both;
}
.demo-msg-head {
  display: flex; align-items: center; gap: 8px;
  font: 600 10.5px var(--font);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.demo-msg-role-icon {
  width: 20px; height: 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font: 600 9px var(--mono);
}
.demo-msg-role-icon.user { background: oklch(50% 0.012 255); }
.demo-msg-role-icon.agent { background: linear-gradient(135deg, var(--accent), oklch(60% 0.18 290)); }
.demo-msg-role { color: var(--text-2); }
.demo-msg-time { margin-left: auto; font: 500 10.5px var(--mono); color: var(--text-3); }
.demo-msg-body {
  font: 14px/1.5 var(--font);
  color: var(--text-1);
  padding-left: 28px;
}
.demo-msg-body em { color: var(--text-3); font-style: italic; }

.demo-status {
  display: inline-flex; align-items: center; gap: 7px;
  font: 500 12px var(--font);
  color: var(--text-2);
  background: var(--bg-2);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  padding: 5px 11px;
  width: fit-content;
  margin-left: 28px;
}
.demo-status .dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--amber); animation: pulse 1s ease-in-out infinite;
}

.demo-empty {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  gap: 14px;
  color: var(--text-3);
  text-align: center;
  padding: 40px 24px;
}
.demo-empty-num {
  font: 700 64px/1 var(--mono);
  color: var(--text-1);
  letter-spacing: -0.03em;
}
.demo-empty-unit { font: 500 13px var(--font); color: var(--text-3); }
.demo-empty-hint {
  font-size: 13px; line-height: 1.5;
  max-width: 32ch;
}

/* Right panel: live result */
.demo-result-head {
  display: flex; align-items: baseline; gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}
.demo-result-count {
  font: 700 48px/1 var(--mono);
  color: var(--text-1);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.demo-result-unit { font: 500 14px var(--font); color: var(--text-3); }
.demo-result-delta {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 5px;
  font: 600 11px var(--mono);
  border-radius: 100px;
  padding: 3px 9px;
  align-self: center;
}
.demo-result-delta.pos { color: var(--green); background: var(--green-dim); }
.demo-result-delta.neg { color: var(--rose); background: oklch(58% 0.16 18 / 0.10); }

.demo-result-section {
  display: flex; flex-direction: column; gap: 10px;
}
.demo-result-label {
  font: 600 10.5px var(--font);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-2);
}
.demo-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.demo-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font: 500 12px var(--mono);
  color: var(--text-1);
  animation: chipIn .35s cubic-bezier(.2,.7,.2,1) both;
}
.demo-chip.accent {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent-text);
}
@keyframes chipIn {
  from { opacity: 0; transform: scale(.92) translateY(4px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.demo-hbars { display: flex; flex-direction: column; gap: 7px; }
.demo-hbar-row {
  display: grid;
  grid-template-columns: 36px 1fr 38px;
  align-items: center;
  gap: 10px;
}
.demo-hbar-label {
  font: 500 11px var(--mono);
  color: var(--text-2);
  text-align: right;
}
.demo-hbar-track {
  height: 8px;
  background: var(--bg-2);
  border-radius: 100px;
  overflow: hidden;
}
.demo-hbar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 100px;
  opacity: 0.9;
  transition: width .7s cubic-bezier(.4,0,.2,1);
}
.demo-hbar-val {
  font: 500 11px var(--mono);
  color: var(--text-1);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.demo-sample {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.demo-sample-row {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  animation: chipIn .4s cubic-bezier(.2,.7,.2,1) both;
}
.demo-sample-av {
  width: 22px; height: 22px; border-radius: 50%;
  font: 700 9px var(--mono);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.demo-sample-name { font: 600 12px var(--font); color: var(--text-1); }
.demo-sample-meta { font: 500 10.5px var(--mono); color: var(--text-3); }

/* ─── Features ─────────────────────────────────────────────── */
.features-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 26px 24px;
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.feature:hover {
  border-color: var(--text-4);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.feature-ico {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--accent-dim);
  color: var(--accent-text);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
}
.feature h3 {
  margin: 0;
  font: 600 18px var(--font);
  color: var(--text-1);
  letter-spacing: -0.015em;
}
.feature p {
  margin: 0;
  font-size: 14px; line-height: 1.55;
  color: var(--text-2);
  text-wrap: pretty;
}

/* ─── Product walkthrough ──────────────────────────────────── */
.walk-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0;
  border-top: 1px solid var(--border-light);
}
.walk-row:first-of-type { border-top: 0; padding-top: 0; }
@media (min-width: 960px) {
  .walk-row { grid-template-columns: 1fr 1.15fr; gap: 64px; }
  .walk-row.reverse .walk-text { order: 2; }
  .walk-row.reverse .walk-mock { order: 1; }
}
.walk-text { display: flex; flex-direction: column; gap: 14px; }
.walk-step {
  font: 600 11px var(--mono);
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.walk-text h3 {
  margin: 0;
  font: 600 30px var(--font);
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-wrap: balance;
}
.walk-text p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text-2);
  max-width: 50ch;
}
.walk-bullets { display: flex; flex-direction: column; gap: 8px; margin-top: 6px; }
.walk-bullet {
  display: flex; align-items: flex-start; gap: 9px;
  font-size: 14px; color: var(--text-2); line-height: 1.5;
}
.walk-bullet .b {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--green-dim); color: var(--green);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 2px;
}

/* mock — generic frame */
.mock {
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.mock-head {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-light);
}
.mock-dots { display: flex; gap: 5px; }
.mock-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--bg-3); }
.mock-dot:nth-child(1) { background: oklch(72% 0.13 18); }
.mock-dot:nth-child(2) { background: oklch(78% 0.13 80); }
.mock-dot:nth-child(3) { background: oklch(72% 0.14 158); }
.mock-url {
  font: 500 11.5px var(--mono);
  color: var(--text-3);
  margin-left: 8px;
}
.mock-body { padding: 0; }

/* — Sidebar mock — */
.mock-sidebar {
  background: var(--slate);
  color: var(--slate-text);
  padding: 14px 12px;
  display: flex; flex-direction: column; gap: 10px;
  min-height: 340px;
}
.ms-head {
  display: flex; align-items: center; gap: 9px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--slate-border);
}
.ms-mark {
  width: 28px; height: 28px;
  background: var(--accent); border-radius: 6px;
  color: #fff; font: 700 10px var(--font);
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 0.04em;
}
.ms-name { font: 600 12.5px var(--font); }
.ms-sub { font: 500 10.5px var(--mono); color: var(--slate-text-2); margin-top: 1px; }

.ms-new {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 10px;
  border: 1px dashed var(--slate-border);
  border-radius: var(--radius-sm);
  color: var(--slate-text-2);
  font: 500 11.5px var(--font);
}
.ms-section { font: 600 9.5px var(--font); text-transform: uppercase; letter-spacing: 0.08em; color: var(--slate-text-2); padding: 4px 4px 0; }
.ms-item {
  padding: 7px 9px; border-radius: var(--radius-sm);
  display: flex; flex-direction: column; gap: 2px;
  cursor: default;
  border: 1px solid transparent;
}
.ms-item.active { background: var(--slate-3); border-color: var(--slate-border); }
.ms-item-top {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.ms-item-name { font: 500 11.5px var(--font); color: var(--slate-text); }
.ms-item.active .ms-item-name { color: #fff; }
.ms-item-count { font: 600 10px var(--mono); color: oklch(75% 0.10 258); }
.ms-item-sum { font: 400 10px var(--font); color: var(--slate-text-2); }

/* — Preview mock — */
.mock-preview {
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}
.mp-head { display: flex; align-items: baseline; gap: 12px; }
.mp-count {
  font: 700 36px/1 var(--mono);
  color: var(--text-1);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.mp-unit { font: 500 12px var(--font); color: var(--text-3); }
.mp-tabs { margin-left: auto; display: flex; gap: 2px; padding: 3px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 7px; }
.mp-tab { padding: 4px 10px; border-radius: 4px; font: 500 11px var(--font); color: var(--text-2); }
.mp-tab.active { background: var(--surface); color: var(--text-1); font-weight: 600; box-shadow: var(--shadow-sm); }

.mp-bento { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mp-card {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex; flex-direction: column; gap: 10px;
}
.mp-card-title {
  font: 600 9.5px var(--font);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-2);
}
.mp-bar-row { display: grid; grid-template-columns: 28px 1fr 30px; gap: 8px; align-items: center; }
.mp-bar-label { font: 500 10px var(--mono); color: var(--text-2); text-align: right; }
.mp-bar-track { height: 6px; background: var(--bg-2); border-radius: 100px; overflow: hidden; }
.mp-bar-fill { height: 100%; background: var(--accent); border-radius: 100px; opacity: 0.85; }
.mp-bar-fill.green { background: var(--green); }
.mp-bar-val { font: 500 10px var(--mono); color: var(--text-1); text-align: right; }

/* — Chat mock — */
.mock-chat {
  padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
  background: var(--surface);
  min-height: 360px;
}
.mc-msg { display: flex; flex-direction: column; gap: 5px; }
.mc-head {
  display: flex; align-items: center; gap: 7px;
  font: 600 9.5px var(--font);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.mc-av {
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font: 600 8.5px var(--mono);
}
.mc-av.agent { background: linear-gradient(135deg, var(--accent), oklch(60% 0.18 290)); }
.mc-av.user { background: oklch(50% 0.012 255); }
.mc-role { color: var(--text-2); }
.mc-time { margin-left: auto; font: 500 9.5px var(--mono); color: var(--text-3); }
.mc-body { padding-left: 25px; font: 13px/1.5 var(--font); color: var(--text-1); }
.mc-prop {
  margin-left: 25px;
  border: 1.5px dashed var(--accent);
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 10px 12px;
  display: flex; align-items: center; gap: 10px;
}
.mc-prop-ico {
  width: 24px; height: 24px; border-radius: 6px;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.mc-prop-body { flex: 1; min-width: 0; }
.mc-prop-label { font: 600 9.5px var(--font); color: var(--accent-text); text-transform: uppercase; letter-spacing: 0.05em; }
.mc-prop-text { font: 500 12.5px var(--mono); color: var(--text-1); margin-top: 1px; }
.mc-prop-btns { display: flex; gap: 4px; flex-shrink: 0; }
.mc-mini { height: 22px; padding: 0 9px; border-radius: 5px; font: 600 10px var(--font); border: 0; }
.mc-mini.ok { background: var(--accent); color: #fff; }
.mc-mini.no { background: transparent; color: var(--text-2); border: 1px solid var(--border); }

/* — Activations mock — */
.mock-act {
  padding: 18px;
  display: flex; flex-direction: column; gap: 10px;
  background: var(--surface);
}
.ma-row {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 13px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
}
.ma-ico {
  width: 30px; height: 30px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
}
.ma-ico.slack { background: oklch(95% 0.05 320); color: oklch(40% 0.16 320); }
.ma-ico.mail { background: oklch(94% 0.04 30); color: oklch(45% 0.16 30); }
.ma-ico.meta { background: oklch(94% 0.06 258); color: oklch(42% 0.18 258); }
.ma-ico.google { background: oklch(94% 0.05 60); color: oklch(45% 0.14 60); }
.ma-ico.webhook { background: oklch(94% 0.05 220); color: oklch(40% 0.16 220); }
.ma-ico.csv { background: oklch(94% 0.04 100); color: oklch(40% 0.10 100); }
.ma-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.ma-title { font: 600 12.5px var(--font); color: var(--text-1); display: flex; align-items: center; gap: 7px; }
.ma-meta { font: 500 10.5px var(--mono); color: var(--text-3); }
.ma-status {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1.5px 7px; border-radius: 100px;
  font: 600 9px var(--font); text-transform: uppercase; letter-spacing: 0.05em;
}
.ma-status.live { background: var(--green-dim); color: var(--green); }
.ma-status.scheduled { background: var(--accent-dim); color: var(--accent-text); }
.ma-status.paused { background: var(--bg-2); color: var(--text-3); }

/* ─── Integrations ─────────────────────────────────────────── */
.integrations {
  background: var(--bg-2);
}
.int-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) { .int-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .int-grid { grid-template-columns: repeat(6, 1fr); } }
.int {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 16px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.int:hover {
  transform: translateY(-2px);
  border-color: var(--text-4);
  box-shadow: var(--shadow);
}
.int-ico {
  width: 44px; height: 44px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
}
.int-name { font: 600 13px var(--font); color: var(--text-1); }
.int-kind { font: 500 10.5px var(--mono); color: var(--text-3); }

/* ─── Stats band (dark) ────────────────────────────────────── */
.stats {
  background: var(--slate);
  color: var(--slate-text);
  padding: 80px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 720px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-num {
  font: 700 clamp(40px, 5vw, 56px) var(--mono);
  color: #fff;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.stat-label {
  margin-top: 10px;
  font: 500 13px var(--font);
  color: var(--slate-text);
  line-height: 1.45;
  max-width: 28ch;
}
.stats-pre {
  font: 500 11.5px var(--mono);
  color: var(--slate-text-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.stats-head {
  font: 600 clamp(28px, 3.4vw, 40px) var(--font);
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 22ch;
  margin: 0 0 56px;
  line-height: 1.1;
}

/* ─── CTA ──────────────────────────────────────────────────── */
.cta-section { padding: 110px 0; }
.cta-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 56px 48px;
  display: flex; flex-direction: column; gap: 22px;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at right, var(--accent-dim), transparent 65%);
  pointer-events: none;
  opacity: 0.7;
}
.cta-card > * { position: relative; z-index: 1; }
.cta-card h2 {
  margin: 0;
  font: 600 clamp(30px, 3.6vw, 44px) var(--font);
  letter-spacing: -0.025em;
  line-height: 1.05;
  max-width: 18ch;
  text-wrap: balance;
}
.cta-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-2);
  max-width: 52ch;
}
.cta-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* ─── Footer ───────────────────────────────────────────────── */
.foot {
  border-top: 1px solid var(--border);
  padding: 36px 0 40px;
  background: var(--bg);
}
.foot-row {
  display: flex; gap: 24px; align-items: center; justify-content: space-between;
  flex-wrap: wrap;
}
.foot-left { display: flex; align-items: center; gap: 14px; }
.foot-tag { font: 500 12px var(--mono); color: var(--text-3); }
.foot-links { display: flex; gap: 22px; font-size: 13px; color: var(--text-2); }
.foot-links a:hover { color: var(--text-1); }
.foot-copy { font: 500 11.5px var(--mono); color: var(--text-4); }

/* ─── Reveal animation ─────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }

/* ─── Utility ──────────────────────────────────────────────── */
.spacer-6 { height: 6px; }
.spacer-12 { height: 12px; }
.spacer-24 { height: 24px; }

@media (max-width: 720px) {
  :root { --gutter: 20px; }
  .nav-links { display: none; }
  .section { padding: 64px 0; }
  .hero { padding: 32px 0 56px; }
  .stats { padding: 64px 0; }
  .cta-card { padding: 36px 28px; }
}