/* ============================================================
   ORVOCO shared design system
   Base tokens + components reused across every page of the site.
   Extracted from the original Homepage_3.html prototype — do not
   fork these values per-page; add page-only rules in that page's
   own <style> block instead, after this stylesheet loads.
   ============================================================ */
:root {
  color-scheme: dark;
  --bg: #07090f; --band: #0d121d; --surface-1: #0b0f18; --surface-2: #111726; --surface-3: #182033;
  --line: #1d2536; --line-2: #263049; --line-strong: #5c6987;
  --ink: #f2f5fa; --ink-2: #b3bccb; --ink-3: #8691a4;
  --accent: #3d5cff; --accent-hover: #5470ff; --accent-text: #9aabff; --accent-soft: #141d45; --on-accent: #ffffff;
  --pulse: #38d3f5;
  --success: #3ddc84; --success-soft: #0d2a1c; --warning: #f5b546; --warning-soft: #2e2210; --danger: #ff7a7a; --danger-soft: #2e1414;
  --shadow-pop: 0 24px 64px -16px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.04);
  --shadow-hero: 0 0 0 1px rgba(61,92,255,0.28), 0 32px 80px -24px rgba(0,0,0,0.8), 0 0 60px -20px rgba(61,92,255,0.35);
  --font-sans: Geist, "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --r-xs: 6px; --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 24px; --r-pill: 999px;
  --gutter: 32px; --section: 120px; --max: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.6 var(--font-sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--bg); }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; color: var(--ink); text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
img, svg { max-width: 100%; }
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--accent); color: var(--on-accent); padding: 10px 16px; border-radius: var(--r-sm); text-decoration: none; }
.skip:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ---------- Wrappers & section rhythm ---------- */
.wrap { width: 100%; max-width: calc(var(--max) + 2 * var(--gutter)); margin: 0 auto; padding-left: max(var(--gutter), env(safe-area-inset-left, 0px)); padding-right: max(var(--gutter), env(safe-area-inset-right, 0px)); }
.section { padding-block: var(--section); }
.section--band { background: var(--band); border-block: 1px solid var(--line); }
.head { display: grid; gap: 16px; max-width: 720px; margin-bottom: 56px; }
.head--center { margin-inline: auto; text-align: center; justify-items: center; }
.eyebrow { font: 600 13px/18px var(--font-sans); letter-spacing: .06em; text-transform: uppercase; color: var(--accent-text); }
.h1 { font: 600 56px/1.08 var(--font-sans); letter-spacing: -.03em; }
.h2 { font: 600 44px/1.12 var(--font-sans); letter-spacing: -.025em; }
.lede { font: 400 18px/29px var(--font-sans); color: var(--ink-2); max-width: 62ch; }
.illus { display: inline-flex; align-items: center; gap: 6px; font: 500 12px/18px var(--font-sans); color: var(--ink-3); border: 1px dashed var(--line-strong); border-radius: var(--r-pill); padding: 2px 10px; white-space: nowrap; }
.illus::before { content: "i"; display: grid; place-items: center; width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--ink-3); font: 600 9px/1 var(--font-sans); }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font: 500 13px/18px var(--font-sans); color: var(--ink-3); margin-bottom: 20px; }
.breadcrumbs a { color: var(--ink-3); text-decoration: none; }
.breadcrumbs a:hover { color: var(--ink); }
.breadcrumbs span[aria-hidden] { color: var(--line-strong); }
.breadcrumbs span[aria-current] { color: var(--ink-2); }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: var(--r-sm); font: 500 15px/20px var(--font-sans); text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: background .15s, border-color .15s, color .15s; white-space: nowrap; background: none; color: var(--ink); }
.btn--primary { background: var(--accent); color: var(--on-accent); box-shadow: inset 0 1px 0 rgba(255,255,255,.18); }
.btn--primary:hover { background: var(--accent-hover); }
.btn--secondary { border-color: var(--line-strong); }
.btn--secondary:hover { background: var(--surface-3); }
.btn--sm { min-height: 38px; padding: 0 14px; font-size: 14px; }
.btn--lg { min-height: 52px; padding: 0 24px; font-size: 16px; }
.btn--block { width: 100%; }
.btn .arr { transition: transform .15s; }
.btn:hover .arr { transform: translateX(2px); }
.textlink { font-weight: 500; color: var(--accent-text); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, var(--accent-text) 40%, transparent); }
.textlink:hover { text-decoration-color: currentColor; }

/* ---------- Pills, chips ---------- */
.pill { display: inline-flex; align-items: center; gap: 6px; min-height: 24px; padding: 0 10px; border-radius: var(--r-pill); font: 500 12px/16px var(--font-sans); white-space: nowrap; }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: var(--r-pill); background: currentColor; flex: none; }
.pill--ok { background: var(--success-soft); color: var(--success); }
.pill--hand { background: var(--warning-soft); color: var(--warning); }
.pill--ai { background: var(--accent-soft); color: var(--accent-text); }
.pill--live { background: var(--accent-soft); color: var(--accent-text); }
.pill--live::before { background: var(--pulse); }
.pill--soon { background: var(--surface-3); color: var(--ink-2); border: 1px dashed var(--line-strong); }
.pill--soon::before { display: none; }
.pill--neutral { background: var(--surface-3); color: var(--ink-2); }
.code { font: 500 12.5px/18px var(--font-mono); color: var(--ink-2); background: var(--surface-3); border: 1px solid var(--line); border-radius: var(--r-xs); padding: 1px 7px; white-space: nowrap; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: rgba(7, 9, 15, 0.86); backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; gap: 40px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 700 16px/1 var(--font-sans); letter-spacing: .14em; color: var(--ink); text-decoration: none; }
.brand img, .brand svg { width: 22px; height: 22px; flex: none; }
.nav__links { display: flex; gap: 4px; flex: 1; list-style: none; position: relative; }
.nav__links > li { position: relative; }
.nav__links a { display: block; font: 500 15px/20px var(--font-sans); color: var(--ink-2); text-decoration: none; padding: 8px 12px; border-radius: var(--r-sm); }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--ink); background: var(--surface-3); }
.nav__drop { position: absolute; top: calc(100% + 8px); left: 0; min-width: 240px; background: var(--surface-2); border: 1px solid var(--line-2); border-radius: var(--r-md); box-shadow: var(--shadow-pop); padding: 6px; display: grid; gap: 2px; opacity: 0; visibility: hidden; transform: translateY(4px); transition: opacity .15s, transform .15s, visibility .15s; }
.nav__links > li:hover .nav__drop,
.nav__links > li:focus-within .nav__drop { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__drop a { padding: 10px 12px; border-radius: var(--r-xs); }
.nav__cta { display: flex; gap: 8px; align-items: center; }
.nav__toggle { display: none; width: 44px; height: 44px; border-radius: var(--r-sm); border: 1px solid var(--line-strong); background: transparent; color: var(--ink); cursor: pointer; place-items: center; }
.nav__toggle svg { width: 20px; height: 20px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; }
.mobile-menu { border-top: 1px solid var(--line); padding-block: 8px 20px; }
.mobile-menu ul { list-style: none; display: grid; }
.mobile-menu a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); text-decoration: none; font: 500 17px/24px var(--font-sans); color: var(--ink); }
.mobile-menu .sub { padding-left: 16px; }
.mobile-menu .sub a { font-size: 15px; color: var(--ink-2); border-bottom: 0; padding: 10px 0; }
.mobile-menu .btn { margin-top: 20px; width: 100%; }

/* ---------- Capability / content cards ---------- */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feat { background: var(--surface-1); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; min-width: 0; }
.section--band .feat { background: var(--bg); }
.feat__ui { padding: 20px; min-height: 160px; display: grid; align-content: center; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.feat__txt { padding: 22px 24px 26px; display: grid; gap: 8px; }
.feat h3 { font: 600 19px/26px var(--font-sans); letter-spacing: -.01em; }
.feat p { font: 400 15px/24px var(--font-sans); color: var(--ink-2); }
.feat__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.ui-label { font: 500 12px/16px var(--font-sans); color: var(--ink-3); margin-bottom: 8px; }

/* ---------- Open list rows (solutions, industries, etc.) ---------- */
.inds { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; }
.ind { padding: 28px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 16px; }
.ind__ic { width: 40px; height: 40px; border-radius: var(--r-sm); background: var(--accent-soft); color: var(--accent-text); display: grid; place-items: center; }
.ind__ic svg { width: 19px; height: 19px; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.ind h3 { font: 600 19px/26px var(--font-sans); margin-bottom: 4px; }
.ind p { font: 400 15px/24px var(--font-sans); color: var(--ink-2); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); list-style: none; gap: 0; }
.steps li { padding-right: 28px; display: grid; gap: 8px; align-content: start; }
.steps .bar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.steps .bar::after { content: ""; flex: 1; height: 1px; background: var(--line-strong); }
.steps li:last-child .bar::after { background: transparent; }
.num { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line-strong); display: grid; place-items: center; font: 600 14px/1 var(--font-sans); background: var(--surface-2); flex: none; }
.steps h3 { font: 600 19px/26px var(--font-sans); }
.steps p { font: 400 15px/24px var(--font-sans); color: var(--ink-2); }

/* ---------- Workflow strip ---------- */
.wf { padding: 26px; border-radius: var(--r-lg); background: var(--bg); border: 1px solid var(--line); min-width: 0; }
.wf h3 { font: 600 18px/26px var(--font-sans); margin-bottom: 20px; }
.wf ol { list-style: none; }
.st { display: grid; grid-template-columns: 26px 1fr; gap: 12px; position: relative; padding-bottom: 20px; font: 400 15px/22px var(--font-sans); color: var(--ink-2); }
.st:last-child { padding-bottom: 0; }
.st:not(:last-child)::before { content: ""; position: absolute; left: 12.5px; top: 26px; bottom: 0; width: 1px; background: var(--line-2); }
.st i { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font: 600 12px/1 var(--font-sans); font-style: normal; border: 1px solid var(--line-strong); background: var(--surface-2); color: var(--ink-2); }
.st--ai i { border-color: var(--accent); color: var(--accent-text); background: var(--accent-soft); }
.st--end i { border-color: var(--success); color: var(--success); background: var(--success-soft); }
.st .code { display: inline-block; margin-top: 6px; }

/* ---------- Value columns ---------- */
.values { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 32px; }
.value { padding-top: 24px; border-top: 2px solid var(--accent); display: grid; gap: 10px; align-content: start; }
.value:nth-child(n+2) { border-top-color: var(--line-2); }
.value h3 { font: 600 19px/26px var(--font-sans); }
.value p { font: 400 15px/24px var(--font-sans); color: var(--ink-2); }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 72px; align-items: start; }
.faq-grid .head { position: sticky; top: 104px; margin: 0; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 0; min-height: 44px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 24px/1 var(--font-sans); color: var(--ink-3); transition: transform .2s; flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary h3 { font: 500 18px/27px var(--font-sans); color: var(--ink); }
.faq .ans { padding-bottom: 24px; color: var(--ink-2); font: 400 16px/26px var(--font-sans); max-width: 64ch; }

/* ---------- Demo / contact form ---------- */
.demo { background: var(--band); border-top: 1px solid var(--line); }
.demo__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 460px); gap: 72px; align-items: center; }
.demo h2 { font: 600 48px/1.08 var(--font-sans); letter-spacing: -.03em; }
.next { list-style: none; display: grid; gap: 0; margin-top: 32px; max-width: 520px; }
.next li { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 14px; padding: 16px 0; border-top: 1px solid var(--line); font: 400 15px/23px var(--font-sans); color: var(--ink-2); }
.next li b { color: var(--ink); font-weight: 600; display: block; }
.next .n { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-3); font: 600 13px/1 var(--font-sans); color: var(--ink); }
.form-card { border-radius: var(--r-xl); background: var(--surface-2); border: 1px solid var(--line-2); box-shadow: var(--shadow-pop); padding: 32px; }
.form-card h3 { font: 600 22px/30px var(--font-sans); }
.form-card > p { color: var(--ink-2); font-size: 15px; line-height: 23px; margin-top: 6px; }
.form { display: grid; gap: 18px; margin-top: 24px; }
.field { display: grid; gap: 8px; }
.field label { font: 500 14px/20px var(--font-sans); color: var(--ink); }
.input, .select, .textarea { width: 100%; min-height: 50px; border-radius: var(--r-sm); border: 1px solid var(--line-strong); background: var(--surface-1); color: var(--ink); font: 400 16px/24px var(--font-sans); padding: 0 14px; transition: border-color .15s, box-shadow .15s; }
.textarea { min-height: 110px; padding: 12px 14px; resize: vertical; font-family: var(--font-sans); }
.input::placeholder, .textarea::placeholder { color: var(--ink-3); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--accent-text); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent); }
.input[aria-invalid="true"], .select[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--danger); }
.select:invalid { color: var(--ink-3); }
.select { appearance: none; -webkit-appearance: none; padding-right: 30px; background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%); background-position: calc(100% - 17px) 22px, calc(100% - 12px) 22px; background-size: 5px 5px; background-repeat: no-repeat; }
.select option { color: var(--ink); background: var(--surface-2); }
.err { font: 400 13px/18px var(--font-sans); color: var(--danger); min-height: 0; }
.err:empty { display: none; }
.fine { font: 400 13px/20px var(--font-sans); color: var(--ink-3); }
.success { display: grid; gap: 12px; justify-items: start; padding: 8px 0; }
.success__ic { width: 44px; height: 44px; border-radius: 50%; background: var(--success-soft); color: var(--success); display: grid; place-items: center; }
.success__ic svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.success h3 { font: 600 22px/30px var(--font-sans); }
.success p { color: var(--ink-2); font-size: 15px; line-height: 23px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 72px 40px; }
.foot { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 40px; }
.foot a.brand { display: inline-flex; padding: 0; font: 700 16px/1 var(--font-sans); letter-spacing: .14em; color: var(--ink); }
.foot__about { display: grid; gap: 16px; align-content: start; }
.foot__about p { font: 400 15px/24px var(--font-sans); color: var(--ink-3); max-width: 40ch; }
.foot h2 { font: 600 13px/18px var(--font-sans); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.foot ul { list-style: none; display: grid; gap: 4px; }
.foot a { display: inline-block; padding: 6px 0; text-decoration: none; color: var(--ink-2); font: 400 15px/20px var(--font-sans); }
.foot a:hover { color: var(--ink); }
.foot__base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); font: 400 14px/20px var(--font-sans); color: var(--ink-3); }
.foot__base a { color: var(--ink-3); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Product window (shared chrome for all mockups below) ---------- */
.win { width: 100%; background: var(--surface-2); border: 1px solid var(--line-2); border-radius: var(--r-xl); box-shadow: var(--shadow-pop); overflow: hidden; }
.win--hero { box-shadow: var(--shadow-hero); }
.win__bar { display: flex; align-items: center; gap: 12px; min-height: 56px; padding: 10px 18px; border-bottom: 1px solid var(--line); background: var(--surface-1); }
.win__dots { display: flex; gap: 6px; flex: none; }
.win__dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); opacity: .6; }
.win__title { flex: 1; min-width: 0; font: 500 14px/20px var(--font-sans); color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.agent { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.agent__av { width: 34px; height: 34px; border-radius: 50%; background: var(--accent); display: grid; place-items: center; position: relative; flex: none; }
.agent__av::after { content: ""; position: absolute; right: -1px; bottom: -1px; width: 10px; height: 10px; border-radius: 50%; background: var(--pulse); border: 2px solid var(--surface-1); }
.agent__name { display: block; font: 600 15px/20px var(--font-sans); color: var(--ink); }
.agent__meta { display: block; font: 400 13px/18px var(--font-sans); color: var(--ink-3); }

/* ---------- Workflow stage flow (AI Workflows illustration) ---------- */
.flow { list-style: none; padding: 20px 22px 8px; display: grid; }
.stage { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 14px; position: relative; padding-bottom: 18px; }
.stage::before { content: ""; position: absolute; left: 13.5px; top: 30px; bottom: 4px; width: 1px; background: var(--line-2); }
.stage:last-child::before { display: none; }
.stage__n { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font: 600 13px/1 var(--font-sans); background: var(--surface-3); color: var(--ink-2); border: 1px solid var(--line-2); }
.stage--api .stage__n { background: var(--accent-soft); color: var(--accent-text); border-color: transparent; }
.stage--ok .stage__n, .stage--done .stage__n { background: var(--success-soft); color: var(--success); border-color: transparent; }
.stage__body { display: grid; gap: 8px; min-width: 0; }
.stage__label { font: 600 13px/28px var(--font-sans); color: var(--ink-3); }
.bubble { padding: 11px 15px; border-radius: var(--r-md); font: 400 15px/23px var(--font-sans); max-width: 92%; }
.bubble--cust { background: var(--surface-3); border-top-left-radius: 4px; justify-self: start; }
.bubble--agent { border: 1px solid var(--line-2); border-top-left-radius: 4px; justify-self: start; }
.calls { display: grid; gap: 6px; }
.call { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 12px; align-items: center; padding: 10px 12px; border-radius: var(--r-sm); background: var(--surface-1); border: 1px solid var(--line); }
.call b { font: 500 14px/20px var(--font-sans); }
.call .code { justify-self: start; grid-column: 1; }
.call .ok { grid-row: 1 / span 2; grid-column: 2; font: 500 13px/18px var(--font-sans); color: var(--success); display: inline-flex; gap: 6px; align-items: center; }
.call .ok svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.verify { border-radius: var(--r-md); border: 1px solid var(--line-2); overflow: hidden; }
.verify div { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 14px; font: 400 14px/20px var(--font-sans); color: var(--ink-2); }
.verify div + div { border-top: 1px solid var(--line); }
.verify b { color: var(--ink); font-weight: 500; }
.outcome { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 14px 22px; border-top: 1px solid var(--line); background: var(--surface-1); font: 400 14px/20px var(--font-sans); color: var(--ink-2); }

/* ---------- Conversation console (AI Customer Support illustration) ---------- */
.console-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: 56px; align-items: start; }
.console { display: grid; grid-template-columns: minmax(0, 1fr) 248px; }
.chat { display: flex; flex-direction: column; gap: 12px; padding: 20px; min-width: 0; }
.msg { max-width: 88%; padding: 11px 15px; border-radius: var(--r-md); font: 400 15px/23px var(--font-sans); }
.msg__who { display: block; font: 500 12px/16px var(--font-sans); color: var(--ink-3); margin-bottom: 4px; }
.msg--cust { align-self: flex-end; background: var(--surface-3); border-bottom-right-radius: 4px; }
.msg--agent { align-self: flex-start; border: 1px solid var(--line-2); border-bottom-left-radius: 4px; }
.msg--hand { align-self: flex-start; border: 1px solid color-mix(in srgb, var(--warning) 55%, transparent); background: var(--warning-soft); }
.msg--hand .msg__who { color: var(--warning); }
.acts { display: grid; gap: 4px; padding: 6px; border-radius: var(--r-md); background: var(--surface-1); border: 1px solid var(--line); }
.act { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; align-items: start; padding: 8px; font: 400 14px/20px var(--font-sans); }
.act b { font-weight: 500; color: var(--ink); }
.act span span { display: block; color: var(--ink-3); font-size: 13px; }
.act__ic { width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; }
.act__ic svg { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 2.25; stroke-linecap: round; stroke-linejoin: round; }
.act--done .act__ic { background: var(--success-soft); color: var(--success); }
.act--wait .act__ic { background: var(--warning-soft); color: var(--warning); }
.ctx { border-left: 1px solid var(--line); padding: 20px; display: grid; gap: 20px; align-content: start; background: var(--surface-1); }
.ctx h4 { font: 600 13px/18px var(--font-sans); color: var(--ink-3); margin-bottom: 10px; }
.ctx dl { margin: 0; display: grid; gap: 8px; }
.ctx dl div { display: flex; justify-content: space-between; gap: 12px; font: 400 14px/20px var(--font-sans); color: var(--ink-2); }
.ctx dd { margin: 0; color: var(--ink); font-weight: 500; text-align: right; }
.sys { display: flex; justify-content: space-between; align-items: center; gap: 8px; font: 500 14px/20px var(--font-sans); padding: 6px 0; }
.sys span:first-child::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--success); margin-right: 8px; }
.sys small { font-size: 12px; color: var(--ink-3); font-weight: 400; }

/* ---------- Voice call interface (AI Voice illustration) ---------- */
.voice-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.voice { display: grid; grid-template-columns: 250px minmax(0, 1fr); }
.voice__call { padding: 22px; border-right: 1px solid var(--line); display: grid; gap: 18px; align-content: start; background: var(--surface-1); }
.voice__num { display: block; font: 600 18px/26px var(--font-sans); }
.voice__meta { display: block; font: 400 13px/18px var(--font-sans); color: var(--ink-3); margin-top: 2px; }
.voice__timer { font: 500 30px/1 var(--font-mono); font-variant-numeric: tabular-nums; }
.wave { display: flex; align-items: center; gap: 3px; height: 32px; }
.wave i { width: 3px; border-radius: 99px; background: var(--pulse); }
.wave i:nth-child(3n) { background: var(--accent); }
.summary { border: 1px solid var(--line); border-radius: var(--r-md); padding: 12px; font: 400 14px/21px var(--font-sans); color: var(--ink-2); }
.summary b { display: block; font: 600 13px/18px var(--font-sans); color: var(--ink-3); margin-bottom: 4px; }
.tx { padding: 22px; display: grid; gap: 14px; align-content: start; min-width: 0; }
.tx__l { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 10px; font: 400 15px/23px var(--font-sans); }
.tx__l .s { font: 500 13px/23px var(--font-sans); color: var(--ink-3); }
.tx__l.ai .s { color: var(--accent-text); }
.tx .act { margin-left: 74px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface-1); }

/* ---------- Dashboard mockup (Platform illustration) ---------- */
.tabs-wrap { display: flex; justify-content: center; margin-bottom: 24px; }
.tabs { display: flex; gap: 4px; overflow-x: auto; padding: 4px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface-1); max-width: 100%; scrollbar-width: none; scroll-snap-type: x proximity; }
.tabs::-webkit-scrollbar { display: none; }
.tab { flex: none; border: 0; background: transparent; color: var(--ink-2); font: 500 14px/20px var(--font-sans); min-height: 40px; padding: 0 16px; border-radius: var(--r-sm); cursor: pointer; scroll-snap-align: center; }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { background: var(--surface-3); color: var(--ink); box-shadow: 0 0 0 1px var(--line-strong); }
.app { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 420px; }
.app__side { border-right: 1px solid var(--line); background: var(--surface-1); padding: 18px 12px; display: grid; align-content: start; gap: 2px; }
.ws { display: flex; align-items: center; gap: 10px; padding: 4px 10px 16px; font: 600 14px/18px var(--font-sans); }
.ws i { width: 22px; height: 22px; border-radius: 6px; background: var(--accent); }
.sn { padding: 8px 10px; border-radius: var(--r-sm); font: 500 14px/18px var(--font-sans); color: var(--ink-2); }
.sn.on { background: var(--accent-soft); color: var(--accent-text); }
.sec { font: 600 11px/16px var(--font-sans); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); padding: 16px 10px 4px; }
.app__main { padding: 28px; display: grid; gap: 20px; align-content: start; min-width: 0; }
.app__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.app__top h3 { font: 600 22px/30px var(--font-sans); letter-spacing: -.01em; }
.app__top p { font: 400 14px/20px var(--font-sans); color: var(--ink-3); }
.fake-btn { display: inline-flex; align-items: center; min-height: 34px; padding: 0 12px; border-radius: var(--r-sm); font: 500 13px/1 var(--font-sans); border: 1px solid var(--line-strong); color: var(--ink); }
.fake-btn--p { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.kpi { padding: 18px 20px; border-radius: var(--r-md); background: var(--surface-1); border: 1px solid var(--line); min-width: 0; }
.kpi__l { font: 500 14px/20px var(--font-sans); color: var(--ink-3); }
.kpi__v { font: 600 32px/40px var(--font-sans); letter-spacing: -.02em; margin-top: 6px; font-variant-numeric: tabular-nums; }
.kpi__d { font: 400 13px/18px var(--font-sans); color: var(--ink-3); margin-top: 2px; }
.panel { padding: 20px; border-radius: var(--r-md); background: var(--surface-1); border: 1px solid var(--line); min-width: 0; }
.panel h4 { font: 600 15px/22px var(--font-sans); margin-bottom: 14px; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.panel h4 span { font-weight: 400; color: var(--ink-3); font-size: 13px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart { width: 100%; height: auto; display: block; }
.c-ai { fill: var(--accent); } .c-h { fill: var(--warning); } .c-grid { stroke: var(--line); } .c-ax { fill: var(--ink-3); font: 400 11px var(--font-sans); }
.c-line { fill: none; stroke: var(--warning); stroke-width: 2.5; } .c-dot { fill: var(--warning); }
.c-line2 { fill: none; stroke: var(--accent-text); stroke-width: 2.5; } .c-area { fill: var(--accent-soft); } .c-dot2 { fill: var(--accent-text); }
.leg { display: flex; flex-wrap: wrap; gap: 16px; font: 400 13px/18px var(--font-sans); color: var(--ink-2); margin-top: 10px; }
.leg i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.vbars { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 14px; height: 180px; padding-top: 8px; border-bottom: 1px solid var(--line); background: repeating-linear-gradient(to top, transparent 0 44px, var(--line) 44px 45px); margin-bottom: 26px; }
.vbar { display: grid; grid-template-rows: 1fr auto; gap: 6px; min-width: 0; }
.vbar__stack { display: flex; flex-direction: column; justify-content: flex-end; gap: 2px; }
.vbar__stack i { display: block; border-radius: 4px; }
.vbar__stack .a { background: var(--accent); }
.vbar__stack .h { background: var(--warning); }
.vbar span { font: 400 12px/16px var(--font-sans); color: var(--ink-3); text-align: center; transform: translateY(18px); }
.toggles { display: grid; gap: 6px; }
.trow { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--r-sm); background: var(--surface-1); border: 1px solid var(--line); font: 500 13px/18px var(--font-sans); }
.trow small { color: var(--ink-3); font-weight: 400; font-size: 12px; display: block; }
.tg { width: 32px; height: 18px; border-radius: 99px; background: var(--accent); position: relative; flex: none; }
.tg::after { content: ""; position: absolute; right: 2px; top: 2px; width: 14px; height: 14px; border-radius: 50%; background: var(--on-accent); }
.tg.off { background: var(--line-strong); } .tg.off::after { right: auto; left: 2px; }

/* ---------- Integrations ecosystem hub diagram ---------- */
.ecosys { display: grid; grid-template-columns: minmax(0, 1fr) 220px minmax(0, 1fr); gap: 20px; align-items: center; }
.ecosys__col { display: grid; gap: 12px; }
.ecosys__core { border-radius: var(--r-xl); padding: 28px 22px; background: var(--surface-2); border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); text-align: center; display: grid; gap: 10px; justify-items: center; }
.ecosys__core b { font: 600 17px/24px var(--font-sans); }
.ecosys__core p { font: 400 14px/21px var(--font-sans); color: var(--ink-2); }
.core-mk { width: 44px; height: 44px; border-radius: 50%; background: var(--accent); display: grid; place-items: center; }
.cat { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; align-items: start; padding: 16px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface-1); }
.cat__ic { width: 40px; height: 40px; border-radius: var(--r-sm); background: var(--surface-3); color: var(--ink); display: grid; place-items: center; }
.cat__ic svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.cat h3 { font: 600 16px/22px var(--font-sans); }
.cat p { font: 400 14px/20px var(--font-sans); color: var(--ink-3); margin-top: 2px; }
.cat .code { display: inline-block; margin-top: 8px; }

/* ---------- Human handoff illustration ---------- */
.hand { display: grid; grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr); align-items: center; }
.party { padding: 12px; border-radius: var(--r-md); background: var(--surface-1); border: 1px solid var(--line); display: grid; gap: 6px; justify-items: start; font: 500 13px/18px var(--font-sans); }
.party small { color: var(--ink-3); font-weight: 400; font-size: 12px; }
.av { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font: 600 12px/1 var(--font-sans); }
.av--ai { background: var(--accent); color: #fff; }
.av--hu { background: var(--warning-soft); color: var(--warning); border: 1px solid color-mix(in srgb, var(--warning) 50%, transparent); }
.hand__arrow { display: grid; place-items: center; }
.hand__arrow svg { width: 28px; height: 28px; stroke: var(--warning); fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.packet { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------- Placeholder marker (unverified facts) ---------- */
.needs-info { border: 1px dashed var(--line-strong); border-radius: var(--r-xs); padding: 1px 8px; font: 500 12px/18px var(--font-sans); color: var(--warning); white-space: nowrap; }

/* ---------- Mobile sticky CTA ---------- */
.mcta { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  :root { --section: 96px; --gutter: 24px; }
  .nav__links { display: none; }
  .nav { justify-content: space-between; }
  .nav__toggle { display: grid; }
  .faq-grid, .demo__grid, .console-grid, .voice-grid { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .h1 { font-size: 44px; }
  .faq-grid .head { position: static; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--4, .steps, .values, .inds { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps, .values { row-gap: 40px; }
  .steps li:nth-child(2) .bar::after { background: transparent; }
  .demo__grid { max-width: 640px; gap: 0; }
  .demo__intro { display: contents; }
  .demo .form-card { order: 1; margin-top: 32px; }
  .demo .next { order: 2; margin-top: 40px; }
  .h2 { font-size: 38px; }
  .demo h2 { font-size: 40px; }
  .foot { grid-template-columns: 1fr 1fr; }
  .app { grid-template-columns: minmax(0, 1fr); }
  .app__side { display: none; }
  .ecosys { grid-template-columns: 1fr 1fr; }
  .ecosys__core { grid-column: 1 / -1; order: -1; }
}
@media (max-width: 720px) {
  :root { --section: 72px; --gutter: 16px; }
  .nav { height: 60px; }
  .nav__cta .btn--primary { display: none; }
  .h1 { font-size: 34px; line-height: 1.14; letter-spacing: -.02em; }
  .lede { font-size: 17px; line-height: 27px; }
  .ctas { display: grid; width: 100%; }
  .ctas .btn { width: 100%; }
  .h2 { font-size: 28px; line-height: 1.18; }
  .head { margin-bottom: 36px; }
  .grid--2, .grid--3, .grid--4, .steps, .values, .inds, .ecosys { grid-template-columns: minmax(0, 1fr); }
  .feat__ui { min-height: 0; padding: 16px; }
  .steps .bar::after { display: none; }
  .form-card { padding: 22px 18px; }
  .flow { padding: 16px 14px 4px; }
  .stage { grid-template-columns: 26px minmax(0, 1fr); gap: 10px; }
  .stage__n { width: 26px; height: 26px; }
  .stage::before { left: 12.5px; }
  .bubble { max-width: 100%; font-size: 14.5px; }
  .call { grid-template-columns: minmax(0, 1fr); }
  .call .ok { grid-row: auto; grid-column: 1; }
  .outcome { padding: 14px; }
  .console { grid-template-columns: minmax(0, 1fr); }
  .ctx { border-left: 0; border-top: 1px solid var(--line); }
  .chat { padding: 14px; }
  .msg { max-width: 94%; }
  .app__main { padding: 16px; gap: 16px; }
  .kpis { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .kpi { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 14px 16px; }
  .kpi__v { font-size: 24px; line-height: 30px; margin: 0; }
  .kpi__d { display: none; }
  .cols { grid-template-columns: 1fr; }
  .vbars { height: 130px; gap: 8px; }
  .voice { grid-template-columns: minmax(0, 1fr); }
  .voice__call { border-right: 0; border-bottom: 1px solid var(--line); grid-template-columns: 1fr auto; align-items: center; }
  .voice__call .wave, .voice__call .summary, .voice__call .fake-btn { grid-column: 1 / -1; }
  .tx__l { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .tx .act { margin-left: 0; }
  .hand { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .hand__arrow svg { transform: rotate(90deg); }
  .demo h2 { font-size: 32px; }
  .foot { grid-template-columns: 1fr 1fr; gap: 32px; }
  .site-footer { padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px)); }
  .mcta { display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; padding: 10px max(16px, env(safe-area-inset-right, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); background: rgba(7,9,15,0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-top: 1px solid var(--line); transition: transform .2s; }
  .mcta.is-away { transform: translateY(110%); }
  .mcta .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } html { scroll-behavior: auto; } }