:root {
  --ink: #11161b;
  --ink-2: #283038;
  --paper: #f4f1ea;
  --paper-2: #ebe6dc;
  --white: #ffffff;
  --line: rgba(17, 22, 27, 0.13);
  --line-dark: rgba(255, 255, 255, 0.14);
  --muted: #667079;
  --accent: #cba66b;
  --accent-dark: #9d7540;
  --green: #4f806c;
  --shadow: 0 28px 90px rgba(14, 18, 22, 0.16);
  --radius-sm: 12px;
  --radius: 22px;
  --radius-lg: 34px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
svg { display: block; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  transform: translateY(-150%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }
.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;
}

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 120px 0; }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  background: rgba(244, 241, 234, 0.88);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color .25s ease, box-shadow .25s ease;
}
.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 40px rgba(17, 22, 27, .05);
}
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; line-height: 1.05; }
.brand-mark { width: 38px; height: 38px; color: var(--ink); }
.brand span { display: grid; gap: 5px; }
.brand strong { font-size: 15px; letter-spacing: .01em; }
.brand small { color: var(--muted); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.primary-nav { display: flex; align-items: center; gap: 28px; }
.primary-nav > a:not(.button) { position: relative; color: var(--ink-2); font-size: 13px; font-weight: 650; }
.primary-nav > a:not(.button)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}
.primary-nav > a:not(.button):hover::after { transform: scaleX(1); transform-origin: left; }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 0; background: transparent; }
.nav-toggle span:not(.sr-only) { display: block; width: 22px; height: 1px; margin: 6px auto; background: var(--ink); transition: transform .2s ease; }

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .01em;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 42px; padding-inline: 18px; font-size: 12px; }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover { background: #2a3137; }
.button-primary { color: var(--white); background: var(--ink); box-shadow: 0 12px 30px rgba(17, 22, 27, .16); }
.button-primary:hover { background: #2a3137; }
.button-outline { color: var(--white); border-color: rgba(255,255,255,.35); }
.button-outline:hover { border-color: var(--white); background: rgba(255,255,255,.08); }
.button-light { color: var(--ink); background: var(--white); }
.button-light:hover { background: #f1ede5; }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 750; }
.text-link span { font-size: 18px; transition: transform .2s ease; }
.text-link:hover span { transform: translate(3px, 3px); }

.hero {
  position: relative;
  overflow: hidden;
  padding: 168px 0 0;
  background:
    radial-gradient(circle at 75% 20%, rgba(203,166,107,.17), transparent 31%),
    linear-gradient(180deg, #f7f4ee 0%, var(--paper) 78%);
}
.hero::before {
  content: "";
  position: absolute;
  top: 80px;
  right: -10%;
  width: 46vw;
  height: 46vw;
  border: 1px solid rgba(17,22,27,.06);
  border-radius: 50%;
}
.hero-grid { position: relative; display: grid; grid-template-columns: .9fr 1.25fr; align-items: center; gap: 72px; }
.hero-copy { padding-bottom: 70px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 18px; color: var(--accent-dark); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow > span { width: 24px; height: 1px; background: currentColor; }
.eyebrow-light { color: var(--accent); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 500; letter-spacing: -.035em; line-height: 1.02; }
h1 { max-width: 650px; margin-bottom: 26px; font-size: clamp(3.45rem, 6vw, 5.7rem); }
h2 { margin-bottom: 22px; font-size: clamp(2.5rem, 4vw, 4.25rem); }
h3 { line-height: 1.25; }
.hero-lede { max-width: 620px; margin-bottom: 32px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.hero-points { display: flex; gap: 18px; flex-wrap: wrap; padding: 0; margin: 35px 0 0; list-style: none; color: var(--muted); font-size: 12px; }
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--green); }

.product-shell { position: relative; z-index: 1; overflow: hidden; border: 1px solid rgba(17,22,27,.1); border-radius: 22px 22px 0 0; background: #f8f9fa; box-shadow: var(--shadow); transform: perspective(1400px) rotateY(-2deg) rotateX(1deg); transform-origin: bottom right; }
.window-bar { height: 40px; display: flex; align-items: center; gap: 6px; padding: 0 14px; color: #828990; background: #e9ecef; border-bottom: 1px solid #dce0e3; font-size: 9px; }
.window-dot { width: 7px; height: 7px; border-radius: 50%; background: #b9bec2; }
.window-title { margin-left: 8px; letter-spacing: .02em; }
.app-frame { display: grid; grid-template-columns: 58px 1fr; min-height: 560px; }
.app-sidebar { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 18px 8px; background: #12171c; }
.app-logo { display: grid; width: 30px; height: 30px; margin-bottom: 12px; place-items: center; color: var(--ink); background: var(--accent); border-radius: 9px; font-family: Georgia, serif; font-weight: 700; }
.app-nav-item { display: grid; width: 34px; height: 34px; padding: 0; place-items: center; color: #7e8790; background: transparent; border: 0; border-radius: 9px; }
.app-nav-item.active { color: var(--white); background: rgba(255,255,255,.09); }
.app-nav-item svg { width: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.app-main { padding: 26px; background: #f7f8f9; }
.matter-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.matter-heading p { margin-bottom: 4px; color: #8a9298; font-size: 9px; text-transform: uppercase; letter-spacing: .12em; }
.matter-heading h2 { margin: 0; font-family: inherit; font-size: 18px; font-weight: 700; letter-spacing: -.02em; }
.status-chip, .private-chip { display: inline-flex; align-items: center; padding: 5px 10px; color: #396956; background: #e0eee7; border-radius: 999px; font-size: 8px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.app-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 22px 0 12px; }
.app-stats article { display: grid; gap: 3px; padding: 15px; background: var(--white); border: 1px solid #e4e7e9; border-radius: 12px; }
.app-stats span, .app-stats small { color: #8b9297; font-size: 8px; }
.app-stats strong { font-size: 18px; line-height: 1.1; }
.workspace-grid { display: grid; grid-template-columns: 1.25fr .85fr; gap: 12px; }
.ai-panel, .activity-panel { min-height: 280px; padding: 20px; background: var(--white); border: 1px solid #e4e7e9; border-radius: 14px; }
.ai-panel { display: flex; flex-direction: column; }
.panel-label { display: flex; align-items: center; gap: 8px; color: #757d83; font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.spark { color: var(--accent-dark); }
.ai-question { min-height: 56px; margin: 24px 0 18px; font-size: 15px; font-weight: 720; line-height: 1.45; }
.ai-answer { display: grid; gap: 8px; padding: 16px; background: #f7f4ef; border-radius: 10px; }
.answer-line { width: 68%; height: 6px; background: #d8d3ca; border-radius: 99px; }
.answer-line.wide { width: 94%; }
.answer-line.medium { width: 82%; }
.source-row { display: flex; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 18px; color: #8b9297; font-size: 8px; }
.panel-title { display: flex; justify-content: space-between; color: #7f878d; font-size: 8px; }
.panel-title strong { color: var(--ink); font-size: 10px; }
.activity-list { display: grid; gap: 13px; padding: 0; margin: 22px 0 0; list-style: none; }
.activity-list li { display: flex; gap: 10px; align-items: center; padding-bottom: 13px; border-bottom: 1px solid #edf0f1; }
.activity-list li:last-child { border-bottom: 0; }
.file-icon { display: grid; width: 31px; height: 34px; place-items: center; color: #765b36; background: #f0e7d8; border-radius: 7px; font-size: 7px; font-weight: 900; }
.activity-list div { display: grid; gap: 3px; min-width: 0; }
.activity-list strong { overflow: hidden; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.activity-list small { color: #91989d; font-size: 7px; }
.principle-strip { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 27px 0; color: var(--muted); border-top: 1px solid var(--line); font-size: 10px; font-weight: 750; letter-spacing: .11em; text-transform: uppercase; }
.principle-strip i { width: 4px; height: 4px; background: var(--accent); border-radius: 50%; }

.section-heading { max-width: 760px; margin-bottom: 58px; }
.section-heading.narrow { max-width: 720px; }
.section-heading > p:last-child, .section-heading.split > p { color: var(--muted); font-size: 17px; line-height: 1.75; }
.section-heading.split { max-width: none; display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: end; }
.section-heading.split h2 { margin-bottom: 0; }
.section-heading.split > p { margin-bottom: 8px; }

.outcomes { background: #ece7dd; }
.outcome-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.outcome-card { position: relative; min-height: 310px; padding: 38px 34px 18px 0; border-right: 1px solid var(--line); }
.outcome-card + .outcome-card { padding-left: 34px; }
.outcome-card:last-child { border-right: 0; }
.card-number { display: block; margin-bottom: 70px; color: var(--accent-dark); font-size: 10px; font-weight: 800; }
.outcome-card h3 { max-width: 260px; margin-bottom: 16px; font-family: Georgia, serif; font-size: 26px; font-weight: 500; }
.outcome-card p { color: var(--muted); font-size: 14px; line-height: 1.75; }

.platform { background: #f7f5f0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card { min-height: 300px; padding: 28px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); transition: transform .25s ease, box-shadow .25s ease; }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 20px 45px rgba(17,22,27,.08); }
.feature-card-wide { grid-column: span 2; display: grid; grid-template-columns: 70px 1fr; gap: 20px; background: #eee9de; }
.feature-card-dark { color: var(--white); background: var(--ink); }
.feature-card-dark p { color: #aeb7be; }
.feature-icon { display: grid; width: 48px; height: 48px; margin-bottom: 68px; place-items: center; color: var(--ink); background: var(--paper-2); border-radius: 14px; }
.feature-card-wide .feature-icon { margin-bottom: 0; background: rgba(255,255,255,.65); }
.feature-card-dark .feature-icon { color: var(--white); background: rgba(255,255,255,.09); }
.feature-icon svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.feature-card h3 { margin-bottom: 12px; font-size: 18px; }
.feature-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.feature-card-wide h3 { font-family: Georgia, serif; font-size: 30px; font-weight: 500; }
.mini-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 0; margin: 30px 0 0; list-style: none; }
.mini-list li { padding-top: 14px; border-top: 1px solid rgba(17,22,27,.16); font-size: 11px; font-weight: 700; line-height: 1.45; }

.ai-section { color: var(--white); background: var(--ink); }
.ai-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: center; }
.ai-copy > p:not(.eyebrow) { color: #aeb7be; font-size: 16px; line-height: 1.8; }
.ai-controls { display: flex; gap: 6px; margin: 36px 0 22px; }
.ai-tab { padding: 9px 15px; color: #aab2b8; background: transparent; border: 1px solid var(--line-dark); border-radius: 999px; cursor: pointer; font-size: 11px; font-weight: 750; }
.ai-tab.active { color: var(--ink); background: var(--accent); border-color: var(--accent); }
.ai-tab-content { min-height: 130px; padding: 23px 0 0; border-top: 1px solid var(--line-dark); }
.ai-tab-content h3 { margin-bottom: 9px; font-family: Georgia, serif; font-size: 24px; font-weight: 500; }
.ai-tab-content p { color: #aeb7be; font-size: 13px; line-height: 1.75; }
.ai-console { overflow: hidden; color: var(--ink); background: #f5f3ee; border: 1px solid rgba(255,255,255,.16); border-radius: 24px; box-shadow: 0 32px 90px rgba(0,0,0,.28); }
.console-top { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; background: #ebe7de; border-bottom: 1px solid rgba(17,22,27,.1); font-size: 11px; }
.console-top > div { display: flex; gap: 8px; align-items: center; }
.console-spark { color: var(--accent-dark); font-size: 16px; }
.private-chip { color: #53635b; background: #dbe4df; }
.console-query { padding: 24px; font-family: Georgia, serif; font-size: 22px; line-height: 1.35; }
.console-response { margin: 0 22px; padding: 22px; background: var(--white); border: 1px solid rgba(17,22,27,.1); border-radius: 15px; }
.console-response > p { color: var(--muted); font-size: 12px; line-height: 1.65; }
.console-response > p strong { color: var(--ink); }
.finding { display: grid; grid-template-columns: 27px 1fr; gap: 11px; padding: 14px 0; border-top: 1px solid var(--line); }
.finding > span { display: grid; width: 25px; height: 25px; place-items: center; color: var(--accent-dark); background: #f1eadd; border-radius: 7px; font-size: 8px; font-weight: 900; }
.finding strong { font-size: 11px; }
.finding p { margin: 4px 0 0; color: var(--muted); font-size: 10px; line-height: 1.55; }
.console-sources { display: flex; align-items: center; gap: 7px; padding: 18px 22px; flex-wrap: wrap; }
.console-sources > span { margin-right: 4px; color: var(--muted); font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.console-sources button { padding: 7px 10px; color: var(--ink-2); background: #ebe6dc; border: 0; border-radius: 8px; font-size: 8px; font-weight: 700; }
.console-footer { display: flex; justify-content: space-between; gap: 16px; padding: 15px 22px; color: #7a838a; background: #e7e3da; font-size: 8px; }
.console-footer strong { color: #765b36; text-transform: uppercase; letter-spacing: .05em; }
.ai-capabilities { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 90px; border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.ai-capabilities article { min-height: 260px; padding: 27px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.ai-capabilities article > span { color: var(--accent); font-size: 9px; font-weight: 800; }
.ai-capabilities h3 { margin: 60px 0 10px; font-size: 16px; }
.ai-capabilities p { color: #98a3aa; font-size: 12px; line-height: 1.7; }

.openai-section { background: #e9e4da; }
.openai-card { display: grid; grid-template-columns: .7fr 1.3fr; gap: 75px; padding: 64px; background: #f7f5f0; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.openai-heading h2 { font-size: clamp(2.35rem, 3.4vw, 3.65rem); }
.openai-heading > p:last-child { color: var(--muted); font-size: 14px; line-height: 1.75; }
.architecture-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.architecture-grid article { display: grid; grid-template-columns: 30px 1fr; gap: 12px; min-height: 178px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.architecture-grid article > span { color: var(--accent-dark); font-size: 9px; font-weight: 800; }
.architecture-grid h3 { margin-bottom: 9px; font-size: 14px; }
.architecture-grid p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }

.workflow { background: #f7f5f0; }
.timeline { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.timeline article { position: relative; min-height: 280px; padding: 28px 22px; border-right: 1px solid var(--line); }
.timeline article:last-child { border-right: 0; }
.timeline article > span { color: var(--accent-dark); font-size: 9px; font-weight: 800; }
.timeline article::before { content: ""; position: absolute; top: -4px; left: 20px; width: 7px; height: 7px; background: var(--accent); border-radius: 50%; }
.timeline h3 { margin: 70px 0 12px; font-family: Georgia, serif; font-size: 23px; font-weight: 500; }
.timeline p { color: var(--muted); font-size: 11px; line-height: 1.7; }

.security { color: var(--white); background: #1e292b; }
.security-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: start; }
.security-copy { position: sticky; top: 130px; }
.security-copy p:not(.eyebrow) { max-width: 500px; margin-bottom: 30px; color: #a9b5b5; line-height: 1.8; }
.security-list { border-top: 1px solid var(--line-dark); }
.security-list article { display: grid; grid-template-columns: 45px 1fr; gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--line-dark); }
.security-list article > span { color: var(--accent); font-size: 9px; font-weight: 800; }
.security-list h3 { margin-bottom: 10px; font-size: 17px; }
.security-list p { margin: 0; color: #a9b5b5; font-size: 13px; line-height: 1.75; }

.integrations { background: #ece7dd; }
.integration-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.integration-grid span { display: grid; min-height: 112px; place-items: center; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-family: Georgia, serif; font-size: 18px; text-align: center; }

.faq { background: #f7f5f0; }
.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 95px; }
.faq-grid .section-heading { margin-bottom: 0; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 25px 45px 25px 0; cursor: pointer; list-style: none; font-size: 15px; font-weight: 750; }
summary::-webkit-details-marker { display: none; }
summary::before, summary::after { content: ""; position: absolute; top: 34px; right: 4px; width: 15px; height: 1px; background: var(--ink); transition: transform .2s ease; }
summary::after { transform: rotate(90deg); }
details[open] summary::after { transform: rotate(0); }
details p { max-width: 720px; padding: 0 45px 25px 0; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

.cta-section { padding: 40px 0 120px; background: #f7f5f0; }
.cta-card { padding: 85px 8%; color: var(--white); background: var(--ink); border-radius: var(--radius-lg); text-align: center; }
.cta-card h2 { max-width: 830px; margin-inline: auto; }
.cta-card > p:not(.eyebrow) { margin-bottom: 30px; color: #aeb7be; font-size: 17px; }
.cta-card > p a { color: var(--white); border-bottom: 1px solid rgba(255,255,255,.5); }
.cta-card .eyebrow { justify-content: center; }
.site-footer { padding: 38px 0; color: #909aa1; background: var(--ink); border-top: 1px solid var(--line-dark); }
.footer-inner { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 35px; font-size: 11px; }
.brand-footer { color: var(--white); }
.brand-footer .brand-mark { color: var(--accent); }
.brand-footer small { color: #8f989f; }
.footer-inner p { margin: 0; }
.footer-inner > a:last-child { color: var(--white); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1050px) {
  .primary-nav { gap: 18px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 800px; padding-bottom: 20px; }
  .product-shell { width: 94%; margin-left: auto; }
  .ai-layout, .openai-card, .security-grid, .faq-grid { grid-template-columns: 1fr; }
  .ai-layout, .security-grid, .faq-grid { gap: 60px; }
  .openai-card { gap: 50px; }
  .security-copy { position: static; }
  .timeline { grid-template-columns: repeat(3, 1fr); }
  .timeline article:nth-child(3) { border-right: 0; }
  .timeline article:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .ai-capabilities { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .section { padding: 90px 0; }
  .nav-toggle { display: block; position: relative; z-index: 2; }
  .primary-nav {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
    padding: 90px 32px 40px;
    background: var(--paper);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  }
  .primary-nav.open { visibility: visible; opacity: 1; transform: translateY(0); }
  .primary-nav > a:not(.button) { font-family: Georgia, serif; font-size: 31px; font-weight: 500; }
  .nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-of-type(2) { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-of-type(3) { transform: translateY(-3.5px) rotate(-45deg); }
  .hero { padding-top: 138px; }
  h1 { font-size: clamp(3.2rem, 13vw, 5.2rem); }
  .product-shell { width: 100%; transform: none; }
  .app-frame { min-height: 500px; }
  .workspace-grid { grid-template-columns: 1fr; }
  .activity-panel { display: none; }
  .principle-strip { overflow-x: auto; justify-content: flex-start; padding-bottom: 22px; }
  .principle-strip span { flex: 0 0 auto; }
  .outcome-grid, .feature-grid { grid-template-columns: 1fr; }
  .outcome-card, .outcome-card + .outcome-card { min-height: auto; padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .outcome-card:last-child { border-bottom: 0; }
  .card-number { margin-bottom: 34px; }
  .feature-card-wide { grid-column: auto; }
  .mini-list { grid-template-columns: 1fr; }
  .section-heading.split { grid-template-columns: 1fr; gap: 20px; }
  .architecture-grid, .integration-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; justify-items: start; }
}

@media (max-width: 580px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { min-height: 68px; }
  .brand-mark { width: 34px; height: 34px; }
  .hero { padding-top: 120px; }
  .hero-lede { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .button { width: 100%; }
  .text-link { padding-left: 3px; }
  .product-shell { border-radius: 15px 15px 0 0; }
  .app-frame { grid-template-columns: 42px 1fr; min-height: 430px; }
  .app-sidebar { padding: 12px 4px; }
  .app-logo, .app-nav-item { width: 28px; height: 28px; }
  .app-main { padding: 16px; }
  .matter-heading h2 { font-size: 14px; }
  .app-stats { grid-template-columns: 1fr 1fr; }
  .app-stats article:last-child { display: none; }
  .ai-panel { min-height: 230px; padding: 15px; }
  .source-row { flex-direction: column; }
  .section-heading { margin-bottom: 42px; }
  .feature-card-wide { grid-template-columns: 1fr; }
  .feature-card-wide .feature-icon { margin-bottom: 30px; }
  .feature-icon { margin-bottom: 50px; }
  .ai-capabilities, .architecture-grid, .integration-grid, .timeline { grid-template-columns: 1fr; }
  .ai-capabilities article, .timeline article { min-height: auto; }
  .ai-capabilities h3, .timeline h3 { margin-top: 42px; }
  .timeline article { border-right: 0; border-bottom: 1px solid var(--line); }
  .timeline article:nth-child(3) { border-right: 0; }
  .openai-card { padding: 34px 22px; }
  .architecture-grid article { min-height: 145px; }
  .ai-console { border-radius: 16px; }
  .console-query { font-size: 18px; }
  .console-footer { flex-direction: column; }
  .cta-card { padding: 65px 22px; }
  .cta-card > p:not(.eyebrow) { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}


/* Launch navigation, footer trust links and keyboard accessibility */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 4px;
}
.footer-links {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.14);
}
.footer-links a {
  color: #fff;
  font-size: 11px;
  font-weight: 750;
  text-decoration: none;
}
.footer-links a:hover { text-decoration: underline; text-underline-offset: 4px; }