/* ─────────────────────────────────────────────────────────────
   mcp.ccarbon.info
   Brand tokens sampled from the live ccarbon.info: Lato throughout,
   #1E0F3F header, #F24E1E pill CTAs at 60px radius, #212529 body text.
   ───────────────────────────────────────────────────────────── */

:root {
  --ink:        #1E0F3F;
  --ink-deep:   #1B0E38;
  --ink-raised: #24134B;
  --orange:     #F24E1E;
  --orange-soft:#FF7A4D;
  --orange-deep:#D93E12;
  --navy:       #203A6B;

  --paper:      #FFFFFF;
  --paper-alt:  #F7F6FA;
  --paper-card: #FBFAFD;
  --paper-chip: #FAF9FC;

  --line:       #E4E1EC;
  --line-soft:  #ECE9F3;
  --line-hair:  #F0EEF4;

  --text:       #212529;
  --text-strong:#2A2536;
  --text-mid:   #3F3A52;
  --muted:      #565068;
  --muted-2:    #7C7490;
  --muted-3:    #857D96;

  --mist:       #C9C2DC;
  --mist-2:     #B8B0CE;
  --mist-dim:   #8B81A8;

  --gutter:     72px;
  --maxw:       1240px;

  --sans: Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

img { max-width: 100%; }
.mono { font-family: var(--mono); }

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--orange); }

:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--paper); color: var(--ink); padding: 12px 18px; font-weight: 700;
}
.skip:focus { left: 8px; top: 8px; }

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

/* the header is sticky, so anchored sections need to clear it */
section[id] { scroll-margin-top: 92px; }
@media (max-width: 860px) { section[id] { scroll-margin-top: 78px; } }

/* ── shared type ────────────────────────────────────────────── */

.kicker {
  font-size: 12px; font-weight: 700; letter-spacing: 2.6px;
  text-transform: uppercase; color: var(--orange); margin: 0 0 18px;
}
.kicker-light { color: var(--orange-soft); }

h2 {
  font-size: 40px; font-weight: 700; letter-spacing: -1px;
  line-height: 1.12; margin: 0 0 16px; color: var(--ink);
}
h2.on-ink { color: #fff; }

.lead { font-size: 19px; line-height: 1.62; color: var(--muted); margin: 0; max-width: 700px; }
.lead-light { color: var(--mist); }

.mb-lg { margin-bottom: 44px; }
.mb-xl { margin-bottom: 48px; }

.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 1px 2px rgba(30,15,63,.05);
}

/* ── buttons ────────────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  border-radius: 60px; font-size: 15px; font-weight: 700; letter-spacing: .4px;
  padding: 15px 30px; min-height: 48px; cursor: pointer; border: 1px solid transparent;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-sm { padding: 11px 24px; min-height: 44px; font-size: 14px; letter-spacing: .5px; }

.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: var(--orange-deep); color: #fff; }

.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: var(--ink-raised); color: #fff; }

.btn-white { background: #fff; color: var(--orange-deep); }
.btn-white:hover { background: #fff; color: var(--ink); }

.btn-ghost { background: transparent; color: var(--ink); border-color: #D8D3E4; }
.btn-ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.32); }
.btn-ghost-light:hover { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.6); }

/* ── header ─────────────────────────────────────────────────── */

.site-head {
  background: linear-gradient(90deg, #F2F0F5 0%, #C9C4D6 18%, #4B3A73 58%, #1E0F3F 100%);
  position: sticky; top: 0; z-index: 50;
}
.head-inner { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; flex: 0 0 auto; min-height: 44px; }
.brand img { height: 42px; width: auto; display: block; }

.site-nav { display: flex; align-items: center; gap: 32px; }
.site-nav a {
  font-size: 14px; font-weight: 700; letter-spacing: .7px; color: #fff; white-space: nowrap;
}
.site-nav a:hover { color: var(--orange-soft); }
.site-nav .nav-cta:hover { color: #fff; }

.nav-toggle {
  display: none; width: 44px; height: 44px; align-items: center; justify-content: center;
  background: transparent; border: 0; color: #fff; cursor: pointer; padding: 0;
}
.nav-toggle svg { width: 23px; height: 23px; }

/* ── hero ───────────────────────────────────────────────────── */

.hero {
  background: linear-gradient(175deg, #1E0F3F 0%, #24134B 46%, #1A0B37 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; top: -160px; right: -120px; width: 620px; height: 620px;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(242,78,30,.16) 0%, rgba(242,78,30,0) 66%);
}
.hero-inner {
  position: relative; padding-top: 88px; padding-bottom: 76px;
  display: flex; gap: 64px; align-items: flex-start;
}
.hero-copy { flex: 1 1 0; min-width: 0; padding-top: 6px; }

.hero h1 {
  font-size: 56px; line-height: 1.1; font-weight: 700; letter-spacing: -1.6px;
  color: #fff; margin: 0 0 24px;
}
.hero-sub { font-size: 19px; line-height: 1.66; color: var(--mist); margin: 0 0 32px; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }

/* address bar */
.address-bar {
  display: flex; align-items: center; max-width: 560px; overflow: hidden;
  background: rgba(0,0,0,.26); border: 1px solid rgba(255,255,255,.14); border-radius: 8px;
}
.address-label {
  font-size: 12px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase;
  color: var(--mist-dim); padding: 0 16px 0 18px; white-space: nowrap;
}
.address-value {
  flex: 1 1 auto; min-width: 0; font-size: 15px; color: #fff; padding: 16px 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.copy-btn {
  display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto;
  padding: 16px 18px; min-height: 48px;
  background: transparent; border: 0; border-left: 1px solid rgba(255,255,255,.14);
  color: var(--mist); font-family: var(--sans); font-size: 13px; font-weight: 700;
  cursor: pointer; white-space: nowrap; transition: color .15s ease, background-color .15s ease;
}
.copy-btn:hover { color: #fff; background: rgba(255,255,255,.07); }
.copy-btn svg { width: 15px; height: 15px; flex: 0 0 auto; }
.copy-btn.is-done { color: #7BD6A6; }

/* diagram */
.diagram {
  flex: 0 0 452px;
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.13);
  border-radius: 12px; padding: 28px;
}
.diagram-head {
  font-size: 12px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--mist-dim); margin: 0 0 22px;
}
.diagram-apps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.diagram-apps li {
  display: flex; align-items: center; gap: 12px; padding: 13px 16px;
  background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.11); border-radius: 8px;
}
.mark { width: 18px; height: 18px; flex: 0 0 auto; }
.app-name { font-size: 15px; color: #fff; font-weight: 700; }
.app-note { margin-left: auto; font-size: 13px; color: var(--mist-dim); text-align: right; }

.diagram-link { display: flex; flex-direction: column; align-items: center; padding: 4px 0; }
.diagram-link .line { width: 1px; height: 18px; background: rgba(255,255,255,.22); }
.diagram-link .label {
  font-size: 12px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase;
  color: var(--orange-soft); padding: 5px 0;
}

.diagram-server {
  display: flex; align-items: center; gap: 12px; padding: 15px 16px;
  background: rgba(242,78,30,.1); border: 1px solid rgba(242,78,30,.36); border-radius: 8px;
}
.diagram-server .mono { font-size: 13px; color: var(--orange-soft); }
.diagram-server span:last-child { margin-left: auto; font-size: 13px; color: var(--mist); text-align: right; }

.diagram-figures {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px;
}
.diagram-figures li {
  background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.11);
  border-radius: 8px; padding: 13px 12px; text-align: center;
}
.diagram-figures strong { display: block; font-size: 18px; font-weight: 700; color: #fff; letter-spacing: -.3px; }
.diagram-figures span { display: block; font-size: 12px; color: var(--mist-dim); margin-top: 4px; line-height: 1.35; }

.diagram-foot { font-size: 13px; line-height: 1.55; color: var(--mist-dim); margin: 20px 0 0; }

/* works with */
.works-with { border-top: 1px solid rgba(255,255,255,.1); position: relative; }
.works-inner { min-height: 66px; display: flex; align-items: center; flex-wrap: wrap; gap: 10px 30px; padding-top: 14px; padding-bottom: 14px; }
.works-label {
  font-size: 12px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--mist-dim);
}
.works-inner span:not(.works-label) { font-size: 14.5px; color: var(--mist); }

/* ── stats ──────────────────────────────────────────────────── */

.stats { background: var(--paper); border-bottom: 1px solid var(--line); }
.stats-inner { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 44px 0; }
.stats-inner .stat { padding: 0 28px; border-left: 2px solid var(--line-hair); }
.stat strong { display: block; font-size: 34px; font-weight: 700; color: var(--ink); letter-spacing: -1px; line-height: 1; }
.stat span { display: block; font-size: 14.5px; color: var(--muted); margin-top: 9px; line-height: 1.45; }

/* ── bands ──────────────────────────────────────────────────── */

.band { padding: 92px 0; background: var(--paper); }
.band-alt { background: var(--paper-alt); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.band-ink { background: var(--ink); position: relative; overflow: hidden; }
.band-ink::before {
  content: ""; position: absolute; bottom: -220px; left: -140px; width: 560px; height: 560px;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(32,58,107,.5) 0%, rgba(32,58,107,0) 68%);
}
.band-ink .wrap { position: relative; }

/* ── demo ───────────────────────────────────────────────────── */

.demo-grid { display: flex; gap: 40px; align-items: flex-start; }
.chat { flex: 1 1 0; min-width: 0; overflow: hidden; border-color: #DEDAE8; box-shadow: 0 30px 70px -40px rgba(30,15,63,.45); }

.chat-chrome {
  display: flex; align-items: center; gap: 12px; padding: 13px 18px;
  background: var(--paper-chip); border-bottom: 1px solid #E9E6F0;
}
.dots { display: flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: #E1DDEA; display: block; }
.chat-app { display: inline-flex; align-items: center; gap: 7px; margin-left: 6px; font-size: 13px; font-weight: 700; color: var(--text-mid); }
.chat-app .mark { width: 14px; height: 14px; }
.chat-status { margin-left: auto; font-size: 12px; color: var(--muted-2); }

.chat-body { padding: 26px 28px 28px; }
.bubble {
  background: #F3F1F7; border-radius: 12px 12px 3px 12px; padding: 14px 18px;
  font-size: 15.5px; line-height: 1.55; color: var(--text-strong);
  max-width: 82%; margin: 0 0 24px auto;
}
.agent-steps { list-style: none; margin: 0 0 22px; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.agent-steps li {
  display: flex; align-items: center; gap: 11px; padding: 10px 14px;
  background: var(--paper-card); border: 1px solid var(--line-soft); border-radius: 7px;
  font-size: 14px; color: var(--text-mid);
}
.tick { width: 14px; height: 14px; flex: 0 0 auto; }
.agent-steps em { margin-left: auto; font-size: 12px; color: var(--muted-3); font-style: normal; }

.answer-lead { font-size: 15.5px; line-height: 1.62; color: var(--text-strong); margin: 0; }

.quarters {
  list-style: none; margin: 16px 0 18px; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px;
}
.quarters li { border: 1px solid #E9E6F0; border-radius: 8px; padding: 14px 16px; }
.quarters .period { display: block; font-size: 12px; color: var(--muted-2); letter-spacing: .4px; }
.quarters strong {
  display: block; font-size: 24px; font-weight: 700; color: var(--ink);
  letter-spacing: -.6px; margin-top: 6px; font-variant-numeric: tabular-nums;
}
.quarters .unit { display: block; font-size: 12px; color: var(--muted-2); margin-top: 3px; }

.answer-body { font-size: 15.5px; line-height: 1.62; color: var(--text-strong); margin: 0 0 18px; }
.answer-body strong { color: var(--orange); }

.cites { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.cites li {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px;
  border: 1px solid var(--line); background: var(--paper-chip); border-radius: 6px; color: var(--muted-2);
}
.cites svg { width: 12px; height: 12px; flex: 0 0 auto; }
.cite-doc { font-size: 12.5px; color: #4A4458; }
.cite-when { font-size: 12.5px; color: var(--muted-2); }

.notes { flex: 0 0 300px; list-style: none; margin: 0; padding: 10px 0 0; display: flex; flex-direction: column; gap: 26px; }
.notes h3 { display: flex; align-items: center; gap: 10px; font-size: 15.5px; font-weight: 700; color: var(--ink); margin: 0 0 8px; }
.notes .num {
  width: 26px; height: 26px; flex: 0 0 auto; border-radius: 50%; background: #FDEDE8; color: var(--orange);
  display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700;
}
.notes p { margin: 0; font-size: 14.5px; line-height: 1.58; color: var(--muted); }

/* ── steps ──────────────────────────────────────────────────── */

.step { display: flex; gap: 28px; margin-bottom: 34px; }
.step:last-child { margin-bottom: 0; }
.step-num {
  width: 38px; height: 38px; flex: 0 0 auto; border-radius: 50%; background: var(--ink); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700;
}
.step-num-orange { background: var(--orange); }
.step-body { flex: 1 1 0; min-width: 0; }
.step-body h3 { font-size: 22px; font-weight: 700; color: var(--ink); margin: 6px 0 8px; letter-spacing: -.3px; }
.step-sub { font-size: 15.5px; line-height: 1.6; color: var(--muted); margin: 0 0 20px; max-width: 640px; }
.step-sub.wide { max-width: 720px; }

.tabs-card { overflow: hidden; }
.tabs { display: flex; border-bottom: 1px solid #E9E6F0; background: var(--paper-card); overflow-x: auto; }
.tab {
  padding: 15px 20px; min-height: 48px; font-family: var(--sans); font-size: 14.5px; font-weight: 700;
  color: #77708C; background: transparent; border: 0; border-bottom: 2px solid transparent;
  cursor: pointer; white-space: nowrap; transition: color .15s ease, background-color .15s ease;
}
.tab:hover { color: var(--ink); }
.tab.is-active { color: var(--ink); background: var(--paper); border-bottom-color: var(--orange); }

.tab-panels { padding: 24px 26px 26px; }
.panel[hidden] { display: none; }
.panel-blurb { margin: 0 0 18px; font-size: 14.5px; line-height: 1.6; color: var(--muted); }
.panel-note { margin: 14px 0 0; font-size: 13.5px; line-height: 1.55; color: var(--muted-2); }

.ui-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.ui-steps li {
  display: flex; align-items: flex-start; gap: 13px; padding: 13px 16px;
  background: var(--paper-card); border: 1px solid var(--line-soft); border-radius: 7px;
  font-size: 14.5px; line-height: 1.55; color: var(--text-strong);
}
.ui-steps .n { font-size: 12px; color: var(--muted-3); padding-top: 2px; flex: 0 0 auto; }

.address-bar-dark { background: var(--ink-deep); border-color: transparent; max-width: none; margin-top: 16px; }
.address-bar-dark .address-label { font-size: 12px; letter-spacing: 1.4px; padding: 0 14px 0 16px; }
.address-bar-dark .address-value { font-size: 13.5px; color: #E8E4F2; padding: 14px 0; }
.address-bar-dark .copy-btn { padding: 14px 16px; font-size: 12.5px; }

.inline-card { display: flex; align-items: center; gap: 18px; padding: 18px 22px; max-width: 720px; }
.icon-box {
  width: 40px; height: 40px; flex: 0 0 auto; border-radius: 8px; background: #F3F1F7;
  display: inline-flex; align-items: center; justify-content: center;
}
.icon-box svg { width: 20px; height: 20px; }
.inline-card strong { display: block; font-size: 15px; color: var(--ink); }
.inline-card span { display: block; font-size: 14px; color: var(--muted); margin-top: 3px; }

.quote-card { padding: 18px 22px; max-width: 720px; font-size: 16px; line-height: 1.6; color: var(--text-strong); margin: 0; }

/* ── prompts ────────────────────────────────────────────────── */

.prompts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.prompts li { padding: 22px 22px 20px; display: flex; flex-direction: column; gap: 14px; }
.prompts p { margin: 0; font-size: 16px; line-height: 1.55; color: var(--text-strong); }
.tag {
  align-self: flex-start; font-size: 11.5px; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; border-radius: 4px; padding: 5px 9px;
}
.tag-num  { color: var(--navy); background: #EAEFF7; }
.tag-res  { color: #7A4B12; background: #FBF0E2; }
.tag-both { color: #1F6B4C; background: #E5F3EC; }

/* ── coverage ───────────────────────────────────────────────── */

.coverage-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 44px; }
.col-head {
  font-size: 12px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--muted-2); margin: 0 0 18px;
}
.stack { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.stack li { padding: 16px 18px; }
.stack strong { display: block; font-size: 16px; font-weight: 700; color: var(--ink); }
.stack span { display: block; font-size: 14px; color: var(--muted); margin-top: 5px; line-height: 1.5; }

.aside-note { margin: 20px 0 0; border-left: 2px solid var(--orange); padding: 2px 0 2px 16px; font-size: 14.5px; line-height: 1.6; color: var(--muted); }

/* ── trust ──────────────────────────────────────────────────── */

.trust { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.trust li {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px; padding: 24px 22px;
}
.icon-chip {
  width: 34px; height: 34px; border-radius: 8px; background: rgba(242,78,30,.14);
  display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.icon-chip svg { width: 18px; height: 18px; }
.trust strong { display: block; font-size: 16.5px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.trust p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--mist-2); }

/* ── access ─────────────────────────────────────────────────── */

.access-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.access-card { padding: 34px 32px; display: flex; flex-direction: column; }
.access-card-alt { background: var(--paper-card); }
.access-card h3 { font-size: 26px; font-weight: 700; color: var(--ink); margin: 0 0 12px; letter-spacing: -.5px; }
.access-card p { margin: 0 0 22px; font-size: 15.5px; line-height: 1.62; color: var(--muted); }
.card-actions { margin-top: auto; display: flex; gap: 12px; flex-wrap: wrap; }

/* ── faq ────────────────────────────────────────────────────── */

.faq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 40px; }
.faq { padding: 22px 0; border-top: 1px solid var(--line); }
.faq h3 { font-size: 17px; font-weight: 700; color: var(--ink); margin: 0 0 9px; }
.faq p { margin: 0; font-size: 15px; line-height: 1.62; color: var(--muted); }
.faq a { text-decoration: underline; text-underline-offset: 2px; }

/* ── closing cta ────────────────────────────────────────────── */

.cta { background: linear-gradient(120deg, #F24E1E 0%, #D93E12 100%); }
.cta-inner { padding: 62px 0; display: flex; align-items: center; gap: 40px; }
.cta h2 { font-size: 34px; font-weight: 700; color: #fff; letter-spacing: -.8px; margin: 0 0 10px; line-height: 1.2; }
.cta .mono { margin: 0; font-size: 15px; color: rgba(255,255,255,.86); word-break: break-all; }
.cta-actions { display: flex; gap: 12px; flex: 0 0 auto; flex-wrap: wrap; }

/* ── footer ─────────────────────────────────────────────────── */

.site-foot { background: var(--ink); padding: 46px 0 42px; }
.foot-top { display: flex; gap: 60px; align-items: flex-start; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,.11); }
.foot-brand { flex: 0 0 340px; }
.foot-brand img { height: 36px; width: auto; display: block; margin-bottom: 16px; }
.foot-brand p { margin: 0; font-size: 13.5px; line-height: 1.65; color: var(--mist-dim); }

.foot-contact { margin-left: auto; display: flex; flex-direction: column; gap: 10px; align-items: flex-end; text-align: right; }
.foot-contact a { font-size: 14px; color: var(--mist-2); padding: 3px 0; }
.foot-contact a:hover { color: var(--orange-soft); }
.foot-site { font-size: 14.5px !important; font-weight: 700; color: #fff !important; }
.foot-site:hover { color: var(--orange-soft) !important; }
.foot-contact span { font-size: 13.5px; color: var(--mist-dim); }

.foot-bottom { display: flex; align-items: center; gap: 26px; padding-top: 24px; flex-wrap: wrap; }
.foot-bottom a { font-size: 13.5px; color: var(--mist-2); padding: 6px 0; }
.foot-bottom a:hover { color: var(--orange-soft); }
.copyright { margin-left: auto; font-size: 13px; color: var(--mist-dim); }

/* ═══════════ RESPONSIVE ═══════════ */

@media (max-width: 1180px) {
  :root { --gutter: 48px; }
  .hero-inner { gap: 40px; }
  .diagram { flex: 0 0 400px; }
  .hero h1 { font-size: 48px; }
  h2 { font-size: 36px; }
  .site-nav { gap: 22px; }
  .site-nav a { font-size: 13.5px; letter-spacing: .4px; }
}

@media (max-width: 1000px) {
  .hero-inner { flex-direction: column; padding-top: 64px; padding-bottom: 56px; }
  .diagram { flex: 1 1 auto; width: 100%; max-width: 560px; }
  .hero-sub, .address-bar { max-width: none; }
  .demo-grid { flex-direction: column; }
  .notes { flex: 1 1 auto; width: 100%; flex-direction: row; flex-wrap: wrap; padding-top: 0; gap: 24px 32px; }
  .notes li { flex: 1 1 260px; }
  .trust { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prompts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  :root { --gutter: 24px; }

  /* nav collapses into a disclosure panel */
  .nav-toggle { display: inline-flex; order: 3; }
  .site-nav {
    display: none; order: 4; width: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); border-top: 1px solid rgba(255,255,255,.12);
    padding: 8px 0 16px;
  }
  .site-nav.is-open { display: flex; }
  .head-inner { flex-wrap: wrap; height: auto; padding-top: 14px; padding-bottom: 0; row-gap: 0; }
  .site-nav a { padding: 14px var(--gutter); min-height: 48px; display: flex; align-items: center; }
  .site-nav .nav-cta { margin: 10px var(--gutter) 0; justify-content: center; }

  .hero h1 { font-size: 38px; letter-spacing: -1.1px; }
  .hero-sub { font-size: 17px; }
  h2 { font-size: 30px; letter-spacing: -.7px; }
  .lead { font-size: 17px; }
  .band { padding: 60px 0; }
  .mb-lg { margin-bottom: 32px; }
  .mb-xl { margin-bottom: 34px; }

  .stats-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 0; padding: 32px 0; }
  .stats-inner .stat { padding: 0 16px; }
  .stat strong { font-size: 28px; }
  .stat span { font-size: 13.5px; }

  .step { gap: 16px; }
  .coverage-grid { grid-template-columns: 1fr; gap: 32px; }
  .access-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; gap: 0; }

  .cta-inner { flex-direction: column; align-items: stretch; padding: 44px 0; }
  .cta h2 { font-size: 27px; }
  .cta-actions .btn { flex: 1 1 200px; }

  .foot-top { flex-direction: column; gap: 28px; }
  .foot-brand { flex: 1 1 auto; }
  .foot-contact { margin-left: 0; align-items: flex-start; text-align: left; }
  .copyright { margin-left: 0; width: 100%; }
}

@media (max-width: 620px) {
  .hero h1 { font-size: 33px; }
  .hero-actions .btn { flex: 1 1 100%; }

  /* the address stacks rather than scrolling sideways; copying it is the main
     thing anyone does on a phone, so the button keeps a full-size target */
  .address-bar { flex-wrap: wrap; padding: 12px 14px; gap: 10px; align-items: center; }
  .address-bar .address-label { padding: 0; order: 1; }
  .address-bar .copy-btn {
    order: 2; margin-left: auto; min-height: 44px; padding: 0 16px;
    border-left: 0; border: 1px solid rgba(255,255,255,.22); border-radius: 60px;
  }
  .address-bar .address-value {
    order: 3; flex: 1 1 100%; padding: 0 2px 2px; font-size: 14px;
    white-space: normal; overflow-wrap: anywhere; text-overflow: clip;
  }
  .address-bar-dark { padding: 12px 14px; }
  .address-bar-dark .address-label { padding: 0; }
  .address-bar-dark .address-value { padding: 0 2px 2px; }
  .address-bar-dark .copy-btn { padding: 0 16px; }

  .prompts { grid-template-columns: 1fr; }
  .trust { grid-template-columns: 1fr; }
  .quarters { grid-template-columns: 1fr; }
  .quarters li { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
  .quarters .period, .quarters strong, .quarters .unit { margin: 0; }
  .quarters strong { font-size: 20px; margin-left: auto; }

  .bubble { max-width: 100%; }
  .chat-body { padding: 18px 16px 20px; }
  .tab-panels { padding: 18px 16px 20px; }
  .access-card { padding: 26px 22px; }
  .access-card h3 { font-size: 22px; }
  .card-actions .btn { flex: 1 1 100%; }
  .cites li { width: 100%; flex-wrap: wrap; }
}

/* ═══════════════════════════════════════════════════════════════
   SET IT UP — the verified Claude / ChatGPT walkthroughs
   ═══════════════════════════════════════════════════════════════ */

/* ── assistant switch ───────────────────────────────────────── */

.host-switch { display: flex; gap: 12px; margin-bottom: 28px; flex-wrap: wrap; }
.host-tab {
  flex: 1 1 260px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 18px 22px; min-height: 64px; cursor: pointer; text-align: left;
  font-family: var(--sans); background: var(--paper);
  border: 1px solid var(--line); border-radius: 10px;
  transition: border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.host-tab:hover { border-color: #C9C2DC; }
.host-tab .mark { width: 22px; height: 22px; }
.host-tab span { font-size: 19px; font-weight: 700; color: var(--ink); }
.host-tab em {
  margin-left: auto; font-style: normal; font-size: 13px; font-weight: 700;
  letter-spacing: .3px; color: var(--muted-2);
  background: var(--paper-alt); border-radius: 60px; padding: 6px 13px;
}
.host-tab.is-active {
  border-color: var(--orange); background: var(--paper);
  box-shadow: 0 0 0 1px var(--orange), 0 10px 30px -18px rgba(242,78,30,.5);
}
.host-tab.is-active em { color: var(--orange); background: #FDEDE8; }

.host-panel[hidden] { display: none; }

/* ── the numbered walkthrough ───────────────────────────────── */

.walk { list-style: none; margin: 0; padding: 0; counter-reset: walk; }
.walk > li {
  counter-increment: walk; position: relative;
  padding: 0 0 30px 62px; border-left: 2px solid var(--line);
  margin-left: 18px;
}
.walk > li:last-child { border-left-color: transparent; padding-bottom: 0; }
.walk > li::before {
  content: counter(walk);
  position: absolute; left: -19px; top: -2px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
}
.walk > li.is-critical::before { background: var(--orange); }
.walk > li > h3 {
  font-size: 20px; font-weight: 700; color: var(--ink);
  margin: 4px 0 10px; letter-spacing: -.2px; line-height: 1.32;
}
.walk > li > h3 b { font-weight: 900; }
.walk > li > p { margin: 0 0 12px; font-size: 15.5px; line-height: 1.62; color: var(--muted); max-width: 700px; }
.walk > li > p b { color: var(--text-strong); }
.walk .fine { font-size: 14px; color: var(--muted-2); margin-bottom: 0; }

/* ── inline caution line ────────────────────────────────────── */

.warn-inline {
  display: flex; gap: 11px; align-items: flex-start;
  background: #FFF8F5; border: 1px solid #F6D9CD; border-radius: 8px;
  padding: 13px 16px; font-size: 14.5px !important; line-height: 1.58;
  color: #6E3A22 !important; max-width: 700px;
}
.warn-inline svg { width: 17px; height: 17px; flex: 0 0 auto; margin-top: 2px; color: var(--orange); }
.warn-inline b { color: #4A2311 !important; }
.warn-inline a { color: var(--orange-deep); text-decoration: underline; text-underline-offset: 2px; }

/* ── the big callout ────────────────────────────────────────── */

.warn {
  background: #FFF8F5; border: 1px solid var(--orange); border-radius: 10px;
  padding: 22px 24px; margin: 0 0 16px; max-width: 760px;
  box-shadow: 0 10px 34px -24px rgba(242,78,30,.6);
}
.warn-head {
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 12px !important; font-size: 15px !important; font-weight: 900;
  letter-spacing: .3px; text-transform: uppercase; color: var(--orange-deep) !important;
}
.warn-head svg { width: 19px; height: 19px; flex: 0 0 auto; }
.warn > p { margin: 0 0 14px; font-size: 15.5px; line-height: 1.62; color: #5A3527; }
.warn > p:last-child { margin-bottom: 0; }
.warn b { color: #3D2015; }

/* a small replica of Claude's radio group, so the step reads even
   before the screenshot is in place */
.radio-demo { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.radio-demo li { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.rlabel { flex: 0 0 116px; font-size: 12px; font-weight: 700; letter-spacing: 1.1px; text-transform: uppercase; color: #8A6B5C; }
.ropt {
  display: inline-flex; align-items: center; gap: 10px; flex: 1 1 300px;
  background: #fff; border: 1px solid #EBD9D0; border-radius: 8px;
  padding: 11px 14px; font-size: 14.5px; color: var(--text-strong);
}
.ropt i { width: 15px; height: 15px; border-radius: 50%; border: 2px solid #C3B6AF; flex: 0 0 auto; }
.ropt.is-on i { border-color: var(--orange); box-shadow: inset 0 0 0 3px #fff, inset 0 0 0 9px var(--orange); }
.ropt.is-pick { border-color: var(--orange); background: #FFF3EE; font-weight: 700; }
.ropt em {
  font-style: normal; font-size: 11px; font-weight: 700; letter-spacing: .6px;
  text-transform: uppercase; color: #8A6B5C; background: #F3E9E4;
  border-radius: 4px; padding: 3px 7px; margin-left: 4px;
}
.rnote { font-size: 13px; font-weight: 700; color: var(--muted-2); flex: 0 0 auto; }
.rnote-good { color: #1F6B4C; }
.rnote-bad { color: #A33B18; }

/* ── little tables ──────────────────────────────────────────── */

.fields, .detected { border-collapse: collapse; margin: 0 0 14px; max-width: 700px; width: 100%; }
.fields th, .fields td, .detected th, .detected td {
  text-align: left; vertical-align: top; padding: 11px 14px;
  border: 1px solid var(--line); font-size: 14.5px; line-height: 1.55;
}
.fields th, .detected th { background: var(--paper-card); color: var(--ink); font-weight: 700; width: 34%; }
.fields td, .detected td { color: var(--muted); background: var(--paper); }
.fields code {
  font-family: var(--mono); font-size: 13px; background: var(--paper-alt);
  border: 1px solid var(--line); border-radius: 4px; padding: 2px 6px; color: var(--navy);
}
.detected td:last-child { width: 130px; }
.ok {
  display: inline-flex; align-items: center; font-size: 12.5px; font-weight: 700;
  letter-spacing: .4px; color: #1F6B4C; background: #E5F3EC;
  border-radius: 4px; padding: 4px 9px;
}

/* ── screenshot slots ───────────────────────────────────────── */

.shot { margin: 4px 0 0; max-width: 700px; }
.shot img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 8px; }
.shot-frame {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: 132px; padding: 22px 26px;
  border: 1px dashed #C9C2DC; border-radius: 8px; background: var(--paper-card);
}
.shot-frame span { font-size: 13.5px; line-height: 1.55; color: var(--muted-2); max-width: 460px; }
.shot-frame b { color: var(--muted); }

/* ── after setup ────────────────────────────────────────────── */

.after {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px;
  margin-top: 34px; padding-top: 34px; border-top: 1px solid var(--line);
}
.after .quote-card { margin: 0 0 12px; max-width: none; }
.after .fine { font-size: 14px; color: var(--muted-2); margin: 0; line-height: 1.6; }
.notes-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.notes-list li { font-size: 15px; line-height: 1.6; color: var(--muted); padding-left: 18px; position: relative; }
.notes-list li::before { content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.notes-list b { color: var(--ink); }
.notes-list a { text-decoration: underline; text-underline-offset: 2px; }

.other-apps {
  margin: 28px 0 0; font-size: 15px; line-height: 1.62; color: var(--muted-2);
  border-top: 1px solid var(--line); padding-top: 24px;
}
.other-apps a { text-decoration: underline; text-underline-offset: 2px; }

/* ── works-with strip ───────────────────────────────────────── */

.works-verified { display: inline-flex; align-items: center; gap: 8px; font-size: 14.5px; color: var(--mist); }
.works-verified svg { width: 15px; height: 15px; flex: 0 0 auto; }
.works-more { font-size: 13.5px; color: var(--mist-dim); }

/* ── responsive ─────────────────────────────────────────────── */

@media (max-width: 860px) {
  .host-tab { padding: 15px 18px; }
  .host-tab span { font-size: 17px; }
  .host-tab em { margin-left: 0; flex-basis: 100%; align-self: flex-start; }
  .walk > li { padding-left: 44px; margin-left: 16px; padding-bottom: 26px; }
  .walk > li::before { width: 32px; height: 32px; left: -17px; font-size: 14px; }
  .walk > li > h3 { font-size: 18px; }
  .after { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 620px) {
  .warn { padding: 18px 16px; }
  .rlabel { flex-basis: 100%; }
  .rnote { flex-basis: 100%; }
  .fields th, .detected th { width: 40%; }
  .fields th, .fields td, .detected th, .detected td { padding: 10px 11px; font-size: 13.5px; }
  .shot-frame { min-height: 108px; padding: 18px; }
}

/* "Detected" badge inside the radio replica */
.ropt em.det {
  background: #E5F3EC; color: #1F6B4C;
}
.shot figcaption {
  margin-top: 10px; font-size: 13.5px; line-height: 1.55; color: var(--muted-2);
}
.shot img { background: #191919; }

/* the notice is a flex row of [icon, prose]; the prose must be one item */
.warn-inline > span { flex: 1 1 auto; min-width: 0; }

/* show captured UI at roughly its real size rather than stretched across the column */
.shot img { max-width: 560px; height: auto; }