:root {
  --blue: #1a3cff;
  --blue-deep: #0b1a7a;
  --blue-ink: #071152;
  --blue-soft: #eef2ff;
  --blue-mid: #8fa4ff;
  --line: rgba(26, 60, 255, 0.35);
  --bg: #ffffff;
  --display: 'Inter Tight', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --gutter: clamp(16px, 6vw, 100px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--blue); font-family: var(--display); font-weight: 400; overflow-x: hidden; }
a { color: inherit; }
::selection { background: var(--blue); color: #fff; }
.mono { font-family: var(--mono); letter-spacing: -0.2px; }
.wrap { padding-inline: var(--gutter); max-width: 1440px; margin-inline: auto; }
[hidden] { display: none !important; }

/* nav */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; transition: background 0.3s, backdrop-filter 0.3s; }
.nav.scrolled { background: rgba(255, 255, 255, 0.82); backdrop-filter: blur(12px); }
.logo { position: relative; z-index: 2; font-size: 34px; letter-spacing: -1.2px; text-decoration: none; display: inline-flex; align-items: center; gap: 4px; line-height: 1; }
.logo-mark { font-family: var(--mono); font-size: 24px; display: inline-flex; align-items: center; }
.logo-mark i { display: inline-block; width: 12px; height: 4px; background: currentColor; margin: 0 1px; animation: blink 2.4s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.25; } }
.nav-links { display: flex; gap: clamp(20px, 4vw, 60px); }
.nav-links a { font-family: var(--mono); font-size: 16px; text-decoration: none; position: relative; }
.nav-links a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: -4px; height: 1px; background: currentColor; transition: right 0.3s; }
.nav-links a:hover::after { right: 0; }
.nav-toggle { display: none; background: none; border: 0; width: 36px; height: 36px; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; height: 1.5px; background: var(--blue); margin: 6px 0; transition: transform 0.3s; }

/* hero */
.hero { position: relative; height: 100vh; min-height: 620px; overflow: hidden; background: var(--blue-soft); }
#hero-field { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 30%, rgba(238, 242, 255, 0.0), rgba(238, 242, 255, 0.35) 75%); pointer-events: none; }
.hero-title { position: absolute; inset: 0; margin: 0; font-weight: 400; z-index: 2; pointer-events: none; }
.hero-line { position: absolute; font-size: clamp(64px, 13.5vw, 210px); line-height: 0.95; letter-spacing: -0.045em; white-space: nowrap; }
.hero-a { left: 24px; top: 15vh; }
.hero-b { right: 24px; bottom: 7vh; }
.hero-line { opacity: 0; transform: translateY(40px); animation: rise 1.2s cubic-bezier(0.2, 0.7, 0.1, 1) forwards; }
.hero-b { animation-delay: 0.25s; }
@keyframes rise { to { opacity: 1; transform: none; } }
.hero-caption { position: absolute; z-index: 2; left: 24px; bottom: 7vh; max-width: 320px; background: rgba(238, 242, 255, 0.88); padding: 10px 12px; font-size: 13px; line-height: 1.5; margin: 0; color: var(--blue-deep); }
.hero-scroll { position: absolute; z-index: 2; left: 50%; bottom: 20px; transform: translateX(-50%); font-size: 12px; text-decoration: none; animation: bob 2s ease-in-out infinite; }
@keyframes bob { 50% { transform: translate(-50%, 6px); } }

/* type */
.intro { padding-top: 120px; padding-bottom: 80px; }
.lead { font-size: clamp(30px, 4vw, 52px); line-height: 1.1; letter-spacing: -0.03em; margin: 0 0 80px; max-width: 1100px; margin-inline: auto; }
.body { font-size: clamp(22px, 2.9vw, 40px); line-height: 1.12; letter-spacing: -0.025em; margin: 0 auto 60px; max-width: 1100px; }
.indent { text-indent: 1.6em; }
.arrow-link { display: inline-block; font-size: 15px; text-decoration: underline; text-underline-offset: 4px; }
.intro .arrow-link { margin-left: max(0px, calc((100% - 1100px) / 2)); }
.arrow-link span { display: inline-block; transition: transform 0.3s; margin-left: 6px; text-decoration: none; }
.arrow-link:hover span { transform: translate(3px, -3px); }
.h2 { font-size: clamp(36px, 4.4vw, 60px); font-weight: 400; letter-spacing: -0.035em; margin: 0 0 40px; }

/* carousel */
.features { padding: 40px 0 120px; }
.track { scroll-padding-inline: var(--gutter); display: flex; gap: 40px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 0 var(--gutter) 10px; scrollbar-width: none; }
.track::-webkit-scrollbar { display: none; }
.card { flex: 0 0 min(350px, 78vw); scroll-snap-align: start; display: flex; flex-direction: column; }
.visual { position: relative; aspect-ratio: 350 / 360; background: var(--blue-soft); overflow: hidden; margin-bottom: 28px; }
.quote { font-size: 23px; line-height: 1.14; letter-spacing: -0.02em; margin: 0 0 28px; flex: 1; }
.card-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 10px; }
.card-foot b { display: block; font-weight: 400; font-size: 19px; letter-spacing: -0.02em; }
.card-foot span.mono { font-size: 12.5px; display: block; margin-top: 6px; }
.tag { font-size: 34px !important; letter-spacing: -1px; opacity: 0.9; }
.features-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 70px; }
.arrows { display: flex; gap: 20px; }
.round { width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--blue); color: #fff; font-size: 24px; line-height: 1; cursor: pointer; transition: transform 0.2s, background 0.2s; }
.round:hover { background: var(--blue-deep); transform: scale(1.06); }

/* statement */
.statement { padding-top: 60px; padding-bottom: 120px; position: relative; }
.st-small { font-size: clamp(20px, 2vw, 28px); letter-spacing: -0.02em; margin: 0; }
.st-small.st-right { margin-top: 0.6em; }
.st-big { font-size: clamp(76px, 12.5vw, 190px); line-height: 0.9; letter-spacing: -0.05em; margin: 0; }
.st-right { text-align: right; }
.st-plus { position: relative; width: clamp(60px, 8vw, 120px); height: clamp(60px, 8vw, 120px); margin: 8px auto; animation: spin 14s linear infinite; }
.st-plus i { position: absolute; background: var(--blue); }
.st-plus i:first-child { left: 45%; width: 10%; top: 0; bottom: 0; }
.st-plus i:last-child { top: 45%; height: 10%; left: 0; right: 0; }
@keyframes spin { to { transform: rotate(360deg); } }

/* demo */
.how { padding: 120px 0; }
.how-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 10px; }
.how-sub { font-size: 14px; margin: 0 0 40px; }
.demo { display: grid; grid-template-columns: minmax(240px, 1fr) 2fr; gap: 48px; align-items: start; }
.demo-steps { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.demo-steps li { padding: 18px 0; border-top: 1px solid var(--line); opacity: 0.38; transition: opacity 0.4s, padding-left 0.4s; cursor: pointer; }
.demo-steps li:last-child { border-bottom: 1px solid var(--line); }
.demo-steps li b { font-weight: 500; margin-right: 12px; }
.demo-steps li.on { opacity: 1; padding-left: 10px; }
.demo-steps li.done { opacity: 0.7; }
.demo-screen { background: var(--blue-ink); color: #dfe6ff; border-radius: 4px; overflow: hidden; box-shadow: 0 40px 80px -40px rgba(11, 26, 122, 0.6); min-height: 440px; display: flex; flex-direction: column; }
.screen-bar { display: flex; align-items: center; gap: 7px; padding: 14px 18px; font-size: 12px; border-bottom: 1px solid rgba(143, 164, 255, 0.2); color: var(--blue-mid); }
.screen-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(143, 164, 255, 0.35); }
.screen-bar span:last-child { margin-left: 10px; }
.screen-body { flex: 1; padding: 26px 28px; font-size: clamp(15px, 1.35vw, 19px); line-height: 1.6; letter-spacing: -0.01em; white-space: pre-wrap; }
.screen-foot { padding: 14px 18px; font-size: 12px; border-top: 1px solid rgba(143, 164, 255, 0.2); color: var(--blue-mid); min-height: 44px; }
.caret { display: inline-block; width: 2px; height: 1.1em; background: #fff; vertical-align: -0.2em; animation: blink 1s steps(2) infinite; }
.pii { border-radius: 3px; transition: background 0.4s, color 0.4s, box-shadow 0.4s; }
.pii.found { background: rgba(255, 255, 255, 0.14); box-shadow: inset 0 -2px 0 #fff; color: #fff; }
.ph { background: var(--blue); color: #fff; border-radius: 3px; padding: 0 4px; font-family: var(--mono); font-size: 0.86em; }
.ph.pop { animation: pop 0.5s cubic-bezier(0.3, 1.6, 0.5, 1); }
@keyframes pop { from { transform: scale(0.6); opacity: 0; } }
.restored { background: rgba(255, 255, 255, 0.12); box-shadow: inset 0 -1px 0 #9fb3ff; color: #fff; border-radius: 3px; padding: 0 2px; }
.from { display: block; font-family: var(--mono); font-size: 11px; color: var(--blue-mid); margin-bottom: 10px; letter-spacing: 0; }

/* numbers */
.numbers { padding-top: 40px; padding-bottom: 140px; }
.numbers .row { display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); padding: 30px 0; max-width: 1100px; margin: 0 auto; }
.numbers .row p { margin: 0; font-size: clamp(20px, 2.4vw, 33px); letter-spacing: -0.02em; line-height: 1.15; max-width: 560px; }
.num { font-size: clamp(64px, 10vw, 150px); letter-spacing: -0.05em; line-height: 1; font-variant-numeric: tabular-nums; }

/* cases */
.cases { padding-bottom: 140px; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.case-img, .case-text { aspect-ratio: 4 / 4.2; position: relative; overflow: hidden; background: var(--blue-soft); margin-bottom: 22px; }
.case-solid .case-text > span { position: relative; z-index: 1; }
.case-solid .case-text { background: var(--blue); color: #fff; padding: 22px; font-size: clamp(24px, 2.3vw, 32px); line-height: 1.1; letter-spacing: -0.02em; }
.case .date { font-size: 13px; }
.case h3 { font-weight: 400; font-size: 24px; line-height: 1.15; letter-spacing: -0.02em; margin: 10px 0 10px; }
.case p { margin: 0; color: var(--blue-deep); font-size: 16px; line-height: 1.45; }

/* join */
.join { padding-bottom: 140px; }
.join-sub { font-size: 14px; margin: -20px 0 36px; color: var(--blue-deep); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 30px 30px; align-items: end; max-width: 1100px; }
.tools { grid-column: 1 / -1; border: 0; padding: 0; margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.tools legend { font-size: 13px; margin-bottom: 14px; padding: 0; }
.chk { position: relative; cursor: pointer; }
.chk input { position: absolute; opacity: 0; pointer-events: none; }
.chk span { display: inline-block; padding: 9px 16px; border: 1px solid var(--blue); border-radius: 999px; font-size: 15px; transition: background 0.2s, color 0.2s; user-select: none; }
.chk input:checked + span { background: var(--blue); color: #fff; }
.chk input:focus-visible + span { outline: 2px solid var(--blue-mid); outline-offset: 2px; }
.tools .other { display: flex; align-items: center; gap: 10px; flex: 1 1 260px; }
.tools .other span { font-size: 13px; }
.tools .other input { flex: 1; font-size: 16px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.form-foot { grid-column: 1 / -1; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.consent { margin: 0; font-size: 12px; line-height: 1.5; max-width: 560px; color: var(--blue-deep); }
.submit:disabled { opacity: 0.6; cursor: wait; }
.form-msg.bad { color: #c00030; }
.foot-col a { text-decoration: underline; text-underline-offset: 3px; }
.form label { display: grid; gap: 10px; }
.form label span { font-size: 13px; }
.form input { font: inherit; font-size: 22px; color: var(--blue); border: 0; border-bottom: 1px solid var(--blue); padding: 8px 0; background: transparent; outline: none; border-radius: 0; }
.form input:focus { border-bottom-width: 2px; padding-bottom: 7px; }
.submit { background: var(--blue); color: #fff; border: 0; padding: 14px 26px; font-size: 15px; cursor: pointer; transition: background 0.2s; }
.submit:hover { background: var(--blue-deep); }
.form-msg { grid-column: 1 / -1; margin: 0; font-size: 14px; }

/* footer */
.footer { background: var(--blue); color: #fff; padding-top: 70px; overflow: hidden; }
.foot-grid { display: flex; gap: 80px; flex-wrap: wrap; }
.foot-col { display: grid; gap: 10px; font-size: 14px; align-content: start; }
.foot-col a { text-decoration: none; }
.foot-col a:hover { text-decoration: underline; }
.foot-word { font-size: clamp(120px, 30vw, 460px); letter-spacing: -0.06em; line-height: 0.78; margin: 60px 0 -0.05em -0.04em; white-space: nowrap; }
.foot-word span { font-family: var(--mono); font-size: 0.5em; letter-spacing: -0.1em; opacity: 0.55; margin-left: 0.08em; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.9s cubic-bezier(0.2, 0.7, 0.1, 1), transform 0.9s cubic-bezier(0.2, 0.7, 0.1, 1); }
.reveal.in { opacity: 1; transform: none; }

/* visuals (filled by main.js) */
.v-svg { position: absolute; inset: 0; width: 100%; height: 100%; }

@media (max-width: 900px) {
  .nav-toggle { display: block; position: relative; z-index: 2; }
  .nav-links { position: fixed; inset: 0 0 auto; height: 100vh; height: 100dvh; visibility: hidden; background: #fff; flex-direction: column; justify-content: center; padding: 0 24px; gap: 22px; transform: translateY(-100%); transition: transform 0.45s cubic-bezier(0.2, 0.7, 0.1, 1), visibility 0.45s; }
  .nav-links a { font-family: var(--display); font-size: 44px; letter-spacing: -0.03em; }
  .nav.open .nav-links { transform: none; visibility: visible; }
  .nav.open { background: #fff; backdrop-filter: none; }
  .nav.open .nav-toggle span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .nav.open .nav-toggle span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .logo { font-size: 28px; }
  .hero-a { left: 16px; top: 16vh; }
  .hero-b { right: 16px; bottom: 22vh; }
  .hero-caption { left: 16px; right: 16px; bottom: 8vh; max-width: none; }
  .hero-b { bottom: 24vh; }
  .demo { grid-template-columns: 1fr; gap: 24px; }
  .demo-steps { display: flex; overflow-x: auto; gap: 16px; scrollbar-width: none; }
  .demo-steps li { flex: 0 0 auto; border: 0 !important; padding: 8px 0 !important; }
  .case-grid { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; }
  .numbers .row { padding: 22px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* card visuals */
.vx { position: absolute; inset: 0; padding: 26px 24px; display: flex; flex-direction: column; gap: 12px; font-size: 15px; line-height: 1.5; color: var(--blue-deep); }
.vx p { margin: 0; }
.vx-redact s { text-decoration: none; border-radius: 3px; padding: 0 2px; transition: background 0.35s, color 0.35s; }
.vx-redact s.hit { background: rgba(26, 60, 255, 0.18); }
.vx-redact s.ph-on, .vx-hr span.ph-on { background: var(--blue); color: #fff; font-family: var(--mono); font-size: 0.82em; animation: pop 0.45s cubic-bezier(0.3, 1.6, 0.5, 1); }
.vx-restore { justify-content: center; }
.vx-label, .vx-state { font-size: 11.5px; color: var(--blue); }
.vx-restore b { font-weight: 400; font-family: var(--mono); font-size: 0.84em; background: var(--blue); color: #fff; padding: 0 4px; border-radius: 3px; transition: background 0.3s, color 0.3s; }
.vx-restore b.real { font-family: var(--display); font-size: 1em; background: #fff; color: var(--blue); box-shadow: inset 0 -2px 0 var(--blue); }
.vx-vault { gap: 0; justify-content: center; }
.vx-lock { display: flex; align-items: center; gap: 10px; color: var(--blue); font-size: 12px; margin-bottom: 14px; }
.vx-row { display: flex; justify-content: space-between; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.vx-row .mono { color: var(--blue); font-size: 12px; }
.vx-val { letter-spacing: 1px; transition: color 0.3s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.vx-val.peek { letter-spacing: 0; color: var(--blue); }
.vx-hr { justify-content: center; gap: 8px; }
.vx-person { display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 10px; background: #fff; padding: 8px 10px; }
.vx-person i { width: 28px; height: 28px; border-radius: 50%; background: radial-gradient(circle at 50% 38%, var(--blue) 0 22%, transparent 23%), radial-gradient(circle at 50% 100%, var(--blue) 0 42%, transparent 43%), var(--blue-soft); }
.vx-person span { border-radius: 3px; padding: 0 3px; justify-self: start; }
.vx-person em { font-style: normal; font-size: 11px; color: var(--blue); }

/* legal pages */
.legal .nav { position: sticky; }
.legal-nav { display: flex; gap: 28px; font-size: 14px; }
.legal-nav a { text-decoration: none; }
.legal-nav a:hover { text-decoration: underline; }
.legal-main { max-width: 820px; padding-top: 70px; padding-bottom: 100px; color: var(--blue-ink); }
.legal-main .h2 { color: var(--blue); margin-bottom: 8px; }
.legal-meta { font-size: 13px; color: var(--blue); margin: 0 0 40px; }
.legal-main h2 { font-weight: 500; font-size: 20px; letter-spacing: -0.01em; color: var(--blue); margin: 34px 0 10px; }
.legal-main p { font-size: 16px; line-height: 1.65; margin: 0 0 12px; }
.legal-foot { font-size: 12px; padding-top: 30px; padding-bottom: 40px; border-top: 1px solid var(--line); color: var(--blue); }
@media (max-width: 900px) { .legal-nav { gap: 16px; font-size: 13px; } }

/* ---------- landing: sentence + chat mock ---------- */
.intro .lead { margin-bottom: 56px; }
.rotator { position: relative; display: inline-grid; vertical-align: bottom; overflow: hidden; padding-bottom: 0.08em; }
.rotator span { grid-area: 1 / 1; display: inline-block; box-shadow: inset 0 -0.08em 0 var(--blue); }
.rotator span.in { animation: rot-in 0.6s cubic-bezier(0.2, 0.7, 0.1, 1); }
.rotator span.out { animation: rot-out 0.6s cubic-bezier(0.2, 0.7, 0.1, 1) forwards; }
@keyframes rot-in { from { transform: translateY(100%); opacity: 0; } }
@keyframes rot-out { to { transform: translateY(-100%); opacity: 0; } }
.chat-mock { max-width: 1100px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; box-shadow: 0 40px 80px -50px rgba(11, 26, 122, 0.45); }
.cm-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; font-size: 12px; background: var(--blue-soft); border-bottom: 1px solid var(--line); }
.cm-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(26, 60, 255, 0.25); }
.cm-url { margin: 0 auto; padding: 3px 14px; background: #fff; border-radius: 999px; color: var(--blue-deep); }
.cm-body { padding: clamp(18px, 3vw, 36px); display: grid; gap: 18px; color: var(--blue-ink); }
.cm-lens { justify-self: center; display: inline-flex; border: 1px solid var(--blue); border-radius: 999px; padding: 3px; }
.cm-lens button { font: inherit; font-size: 12px; border: 0; background: none; color: var(--blue); padding: 6px 14px; border-radius: 999px; cursor: pointer; transition: background 0.3s, color 0.3s; }
.cm-lens button.on { background: var(--blue); color: #fff; }
.cm-msg p { margin: 0; font-size: clamp(15px, 1.4vw, 18px); line-height: 1.6; }
.cm-user { justify-self: end; max-width: 78%; background: var(--blue-soft); padding: 14px 18px; border-radius: 14px 14px 4px 14px; }
.cm-ai-msg { max-width: 86%; }
.cm-who { display: block; font-size: 12px; color: var(--blue); margin-bottom: 6px; }
.cm-msg b { font-weight: 400; border-radius: 3px; padding: 0 2px; box-shadow: inset 0 -2px 0 var(--blue); transition: background 0.3s, color 0.3s; }
.cm-msg b.ph-on { background: var(--blue); color: #fff; box-shadow: none; font-family: var(--mono); font-size: 0.84em; padding: 0 4px; }
.cm-input { display: flex; align-items: center; gap: 12px; border: 1px solid var(--blue); border-radius: 999px; padding: 10px 14px; font-size: 12px; color: var(--blue-deep); }
.cm-shield { background: var(--blue); color: #fff; padding: 3px 10px; border-radius: 999px; }

/* ---------- landing: three steps ---------- */
.steps { padding-top: 80px; padding-bottom: 40px; }
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.step { display: flex; flex-direction: column; }
.step .visual { margin-bottom: 22px; }
.step .tag { font-size: 30px !important; }
.step h3 { font-weight: 400; font-size: clamp(22px, 2vw, 28px); line-height: 1.12; letter-spacing: -0.02em; margin: 10px 0 12px; }
.step p { margin: 0; color: var(--blue-deep); font-size: 16px; line-height: 1.5; }
.vx-clean { justify-content: center; }
.vx-clean b { font-weight: 400; font-family: var(--mono); font-size: 0.82em; background: var(--blue); color: #fff; padding: 0 4px; border-radius: 3px; }
.vx-req { background: #fff; padding: 10px 12px; }
.vx-ans { min-height: 4.5em; }
.vx-thinking i { font-style: normal; animation: blink 1s steps(2) infinite; }
.vx-thinking i:nth-child(2) { animation-delay: 0.2s; }
.vx-thinking i:nth-child(3) { animation-delay: 0.4s; }

/* ---------- landing: deep-dive demo (three steps with text) ---------- */
.demo-steps li { display: grid; grid-template-columns: auto 1fr; align-items: start; }
.demo-steps li span { display: grid; gap: 6px; }
.demo-steps strong { font-weight: 400; font-size: clamp(19px, 1.7vw, 24px); letter-spacing: -0.02em; line-height: 1.15; }
.demo-steps em { font-style: normal; font-size: 14px; line-height: 1.45; color: var(--blue-deep); max-height: 0; overflow: hidden; transition: max-height 0.5s; }
.demo-steps li.on em { max-height: 6em; }
.how-more { margin-top: 48px; }

/* ---------- landing: links to the detail pages ---------- */
.explore { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border-block: 1px solid var(--line); padding-inline: 0; margin-bottom: 140px; max-width: calc(1440px - 2 * var(--gutter)); width: calc(100% - 2 * var(--gutter)); }
.ex { position: relative; display: grid; gap: 14px; align-content: start; background: #fff; padding: 28px 24px 56px; text-decoration: none; transition: background 0.3s, color 0.3s; min-height: 220px; }
.ex span { font-size: 13px; }
.ex b { font-weight: 400; font-size: clamp(20px, 1.9vw, 26px); line-height: 1.15; letter-spacing: -0.02em; }
.ex i { position: absolute; right: 22px; bottom: 18px; font-style: normal; font-size: 22px; transition: transform 0.3s; }
.ex:hover { background: var(--blue); color: #fff; }
.ex:hover i { transform: translate(3px, -3px); }

/* ---------- sub-pages ---------- */
.sub .nav { background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(12px); }
.nav-links a[aria-current='page']::after { right: 0; }
.page-head { padding-top: 170px; padding-bottom: 80px; }
.eyebrow { font-size: 13px; margin: 0 0 18px; color: var(--blue); }
.page-title { font-weight: 400; font-size: clamp(40px, 6.4vw, 96px); line-height: 0.98; letter-spacing: -0.045em; margin: 0 0 32px; max-width: 1200px; }
.page-lead { font-size: clamp(20px, 2.2vw, 30px); line-height: 1.2; letter-spacing: -0.02em; margin: 0; max-width: 900px; color: var(--blue-deep); }
.toc { display: flex; flex-wrap: wrap; gap: 10px; font-size: 13px; }
.toc a { text-decoration: none; border: 1px solid var(--blue); border-radius: 999px; padding: 8px 14px; transition: background 0.2s, color 0.2s; }
.toc a:hover { background: var(--blue); color: #fff; }
.features .h2 { margin-bottom: 40px; }
.cta { padding-top: 40px; padding-bottom: 140px; text-align: center; }
.cta .body { margin-bottom: 36px; }
.cta .submit { display: inline-block; text-decoration: none; }
code { font-family: var(--mono); font-size: 0.85em; background: var(--blue); color: #fff; padding: 1px 5px; border-radius: 3px; }

/* product: features by step */
.feat { display: grid; gap: 0; padding-bottom: 80px; }
.feat-step { display: grid; grid-template-columns: minmax(220px, 1fr) 2fr; gap: 40px; border-top: 1px solid var(--line); padding: 40px 0; }
.feat-step:last-child { border-bottom: 1px solid var(--line); }
.feat-head h2 { font-weight: 400; font-size: clamp(26px, 2.8vw, 38px); line-height: 1.08; letter-spacing: -0.03em; margin: 12px 0 0; }
.feat-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 28px 40px; }
.feat-list li { display: grid; gap: 6px; }
.feat-list b { font-weight: 500; font-size: 18px; letter-spacing: -0.01em; }
.feat-list span { color: var(--blue-deep); font-size: 16px; line-height: 1.5; }

/* how it works */
.deep { display: grid; grid-template-columns: 3fr 2fr; gap: 60px; align-items: center; padding-top: 70px; padding-bottom: 70px; border-top: 1px solid var(--line); }
.deep h2 { font-weight: 400; font-size: clamp(30px, 3.6vw, 50px); line-height: 1.05; letter-spacing: -0.035em; margin: 12px 0 24px; }
.deep p, .passes li { color: var(--blue-ink); font-size: 18px; line-height: 1.6; margin: 0 0 16px; max-width: 720px; }
.deep em { font-style: normal; box-shadow: inset 0 -2px 0 var(--blue); }
.passes { padding-left: 1.3em; margin: 0 0 20px; }
.passes b { font-weight: 500; color: var(--blue); }
.deep-visual { aspect-ratio: 1; margin: 0; }
.detect { padding-top: 10px; padding-bottom: 70px; }
.chips { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { border: 1px solid var(--blue); border-radius: 999px; padding: 8px 14px; font-size: 13px; }
.detect-note { font-size: 16px; line-height: 1.55; color: var(--blue-deep); max-width: 760px; margin: 0; }
.leaves { padding-top: 70px; padding-bottom: 90px; border-top: 1px solid var(--line); }
.leaves-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.leaves-grid > div { background: #fff; padding: 28px; }
.leaves-grid > div:first-child { background: var(--blue); color: #fff; }
.leaves-grid > div:first-child .eyebrow { color: #fff; }
.leaves-grid ul { margin: 0; padding-left: 1.1em; display: grid; gap: 10px; font-size: 17px; line-height: 1.45; }
.install { padding-top: 70px; padding-bottom: 60px; border-top: 1px solid var(--line); }
.install-sub { font-size: 14px; margin: -20px 0 40px; color: var(--blue-deep); }
.install-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.install-col h3 { font-weight: 400; font-size: 26px; letter-spacing: -0.02em; margin: 0 0 20px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.install-col h3 span { font-size: 12px; }
.install-col ol { list-style: none; counter-reset: s; margin: 0; padding: 0; }
.install-col li { counter-increment: s; position: relative; padding: 16px 0 16px 48px; border-top: 1px solid var(--line); font-size: 16px; line-height: 1.5; color: var(--blue-ink); }
.install-col li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: 16px; font-family: var(--mono); color: var(--blue); }
.install-col li b { font-weight: 500; color: var(--blue); }

/* evidence */
.testset { padding-bottom: 100px; }
.ts-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-bottom: 36px; }
.ts-n { display: block; font-size: clamp(48px, 6vw, 88px); letter-spacing: -0.05em; line-height: 1; margin-bottom: 12px; }
.ts p { margin: 0; color: var(--blue-deep); font-size: 16px; line-height: 1.45; }
.ts-note, .bars-note { font-size: 17px; line-height: 1.6; color: var(--blue-ink); max-width: 860px; margin: 0; }
.bars { padding-bottom: 100px; }
.bars-sub { font-size: 13px; margin: -24px 0 30px; }
.bar-list { display: grid; gap: 4px; max-width: 1100px; margin-bottom: 32px; }
.bar { display: grid; grid-template-columns: minmax(130px, 220px) 1fr 64px; align-items: center; gap: 16px; font-size: 15px; padding: 6px 0; }
.bar i { display: block; height: 14px; background: linear-gradient(var(--blue), var(--blue)) no-repeat left / var(--v) 100%, var(--blue-soft); }
.bar b { font-weight: 400; font-family: var(--mono); font-size: 14px; text-align: right; font-variant-numeric: tabular-nums; }
.numbers .h2 { max-width: 1100px; margin-inline: auto; }

/* use cases */
.uc { display: grid; gap: 0; }
.uc-item { display: grid; grid-template-columns: 2fr 3fr; gap: 56px; align-items: center; padding: 56px 0; border-top: 1px solid var(--line); }
.uc-item .case-img, .uc-item .case-text { margin: 0; }
.case-text.case-solid { background: var(--blue); color: #fff; padding: 22px; font-size: clamp(24px, 2.3vw, 32px); line-height: 1.1; letter-spacing: -0.02em; }
.case-text.case-solid > span { position: relative; z-index: 1; }
.uc-text .date { font-size: 13px; }
.uc-text h2 { font-weight: 400; font-size: clamp(28px, 3vw, 42px); line-height: 1.08; letter-spacing: -0.03em; margin: 10px 0 24px; }
.uc-prompt { font-size: 18px; line-height: 1.6; color: var(--blue-ink); background: var(--blue-soft); padding: 18px 20px; margin: 0 0 24px; }
.uc-prompt > span { display: block; font-size: 12px; color: var(--blue); margin-bottom: 6px; }
.uc-prompt s { text-decoration: none; box-shadow: inset 0 -2px 0 var(--blue); }
.uc-split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.uc-split .eyebrow { margin-bottom: 6px; }
.uc-split p:not(.eyebrow) { margin: 0; font-size: 16px; line-height: 1.5; color: var(--blue-deep); }

@media (max-width: 900px) {
  .step-grid, .ts-grid { grid-template-columns: 1fr; gap: 48px; }
  .explore { grid-template-columns: 1fr 1fr; }
  .cm-user, .cm-ai-msg { max-width: 100%; }
  .cm-input { border-radius: 14px; flex-wrap: wrap; }
  .demo-steps { display: block; }
  .demo-steps li { padding: 14px 0 !important; border-top: 1px solid var(--line) !important; }
  .page-head { padding-top: 120px; padding-bottom: 56px; }
  .feat-step, .deep, .uc-item, .install-grid, .leaves-grid { grid-template-columns: 1fr; gap: 28px; }
  .feat-list { grid-template-columns: 1fr; }
  .deep-visual { max-width: 420px; width: 100%; }
  .bar { grid-template-columns: 1fr 56px; gap: 4px 12px; }
  .bar span { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .explore { grid-template-columns: 1fr; }
  .uc-split { grid-template-columns: 1fr; }
  .ex { min-height: 0; }
}
.tools-group { flex-basis: 100%; font-size: 12px; margin-top: 8px; }
.tools-group:empty { margin: 0; }
.numbers-more { max-width: 1100px; margin: 36px auto 0; }

/* research page: paired bars (limenn today vs next generation), legend keys, learnings */
.bar2 { grid-template-columns: minmax(130px, 240px) 1fr 130px; }
.bar2 .pair { display: grid; gap: 3px; }
.bar2 .pair i { height: 9px; }
.bar2 .pair i.alt, .key.alt { background: linear-gradient(var(--blue-mid), var(--blue-mid)) no-repeat left / var(--v, 100%) 100%, var(--blue-soft); }
.key { display: inline-block; width: 18px; height: 9px; background: var(--blue); vertical-align: middle; margin: 0 14px 0 4px; }
.learn { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px 56px; max-width: 1100px; }
.learn p:not(.eyebrow) { margin: 0; font-size: 17px; line-height: 1.6; color: var(--blue-ink); }
.page-lead a, .learn a { color: inherit; text-underline-offset: 3px; }
@media (max-width: 900px) {
  .learn { grid-template-columns: 1fr; gap: 32px; }
  .bar2 { grid-template-columns: 1fr 110px; }
  .bar2 span { grid-column: 1 / -1; }
}

/* research page: comparison tables */
.cmp-wrap { max-width: 1100px; overflow-x: auto; margin-bottom: 24px; }
.cmp { width: 100%; border-collapse: collapse; font-size: 15px; color: var(--blue-ink); }
.cmp th, .cmp td { text-align: left; padding: 12px 14px 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp thead th { font-family: var(--mono); font-size: 12px; font-weight: 400; color: var(--blue); }
.cmp tbody th { font-weight: 400; max-width: 320px; }
.cmp td { font-variant-numeric: tabular-nums; }
.cmp td.best { color: var(--blue); font-weight: 500; }
.cmp a { color: inherit; }
@media (max-width: 900px) { .cmp { font-size: 13px; } .cmp th, .cmp td { padding: 10px 10px 10px 0; } }