:root {
  --ink: #0c1426;
  --muted: #58647a;
  --blue: #2456e8;
  --blue-dark: #173fb4;
  --blue-soft: #edf3ff;
  --line: #dce3ee;
  --surface: #f7f9fc;
  --white: #fff;
  --green: #2d6a45;
  --shadow: 0 26px 70px rgba(29, 49, 94, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, .button { cursor: pointer; }
img, svg { display: block; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(220,227,238,.9); backdrop-filter: blur(18px); }
.nav { min-height: 76px; display: flex; align-items: center; gap: 30px; }
.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; font-weight: 760; letter-spacing: -.02em; }
.brand-mark { width: 33px; height: 33px; color: var(--blue); flex: 0 0 auto; }
.brand-name { font-size: 1.02rem; }
.nav-links { display: flex; align-items: center; gap: 27px; color: #344057; font-size: .94rem; }
.nav-links a { padding-block: 28px; border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); border-bottom-color: var(--blue); }
.nav-actions { display: flex; align-items: center; gap: 12px; font-size: .94rem; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 9px; padding: 0 20px; border: 1px solid transparent; border-radius: 10px; font-weight: 720; transition: .2s ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 8px 20px rgba(36,86,232,.2); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { border-color: var(--line); background: #fff; }
.button-secondary:hover { border-color: #bbc8d9; background: var(--surface); }
.button-light { color: var(--blue); background: #fff; }
.nav-button { min-height: 42px; padding-inline: 17px; }
.mobile-toggle { display: none; border: 0; background: transparent; padding: 7px; }
.mobile-menu { display: none; position: fixed; inset: 76px 0 auto; z-index: 49; padding: 8px 20px 22px; border-bottom: 1px solid var(--line); background: #fff; box-shadow: 0 18px 30px rgba(18,29,50,.08); }
.mobile-menu.open { display: grid; }
.mobile-menu a { padding: 12px 2px; border-bottom: 1px solid #edf0f5; color: #344057; }
.mobile-menu .button { margin-top: 12px; color: #fff; }
.page-hero { position: relative; overflow: hidden; padding: 88px 0 82px; border-bottom: 1px solid #ebeff5; }
.page-hero::after { content: ""; position: absolute; width: 460px; height: 460px; right: -190px; top: -70px; border: 1px solid #e5eaf3; border-radius: 50%; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: .81rem; font-weight: 820; letter-spacing: .11em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 5px var(--blue-soft); }
.page-hero h1 { max-width: 810px; margin: 24px 0 22px; font-size: clamp(3.15rem, 5.6vw, 5.15rem); line-height: 1; letter-spacing: -.06em; font-weight: 750; }
.page-hero p { max-width: 720px; margin: 0; color: var(--muted); font-size: 1.18rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.section { padding: 104px 0; }
.section-soft { background: var(--surface); }
.section-dark { color: #fff; background: var(--ink); }
.section-kicker { color: var(--blue); font-size: .8rem; font-weight: 820; letter-spacing: .11em; text-transform: uppercase; }
.section-dark .section-kicker { color: #91adff; }
.section-title { max-width: 780px; margin: 15px 0 18px; font-size: clamp(2.25rem, 4vw, 3.55rem); line-height: 1.08; letter-spacing: -.045em; }
.section-lead { max-width: 730px; margin: 0; color: var(--muted); font-size: 1.06rem; line-height: 1.7; }
.section-dark .section-lead { color: #aab5c8; }
.centered { text-align: center; margin-inline: auto; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.card h2, .card h3 { margin: 0 0 10px; letter-spacing: -.025em; }
.card p { margin: 0; color: var(--muted); line-height: 1.65; }
.icon-box { display: grid; width: 48px; height: 48px; place-items: center; margin-bottom: 25px; border-radius: 13px; color: var(--blue); background: var(--blue-soft); }
.check-list { display: grid; gap: 13px; margin: 22px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; align-items: flex-start; gap: 11px; color: #364159; line-height: 1.5; }
.check-list li::before { content: "✓"; display: grid; width: 22px; height: 22px; place-items: center; flex: 0 0 auto; border-radius: 50%; color: var(--blue); background: var(--blue-soft); font-size: .75rem; font-weight: 800; }
.process { display: grid; gap: 14px; margin-top: 50px; }
.process-row { display: grid; grid-template-columns: 80px 1fr 1fr; gap: 26px; align-items: center; padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.process-number { color: var(--blue); font-size: .76rem; font-weight: 820; letter-spacing: .1em; }
.process-row h3 { margin: 0; font-size: 1.08rem; }
.process-row p { margin: 0; color: var(--muted); font-size: .91rem; line-height: 1.55; }
.conversation { overflow: hidden; border: 1px solid #d7dfec; border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
.conversation-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 20px; border-bottom: 1px solid #e6eaf1; background: #fbfcfe; }
.conversation-top strong { font-size: .86rem; }
.private-pill { padding: 6px 9px; color: var(--green); border: 1px solid #d7e7db; border-radius: 999px; background: #f3faf5; font-size: .7rem; font-weight: 760; }
.conversation-body { padding: 25px; }
.prompt { padding: 17px 18px; border: 1px solid #c5d1f6; border-radius: 13px; color: #1b2942; background: #f9fbff; line-height: 1.5; }
.reply { display: grid; grid-template-columns: 31px 1fr; gap: 13px; margin-top: 20px; }
.reply-mark { display: grid; width: 31px; height: 31px; place-items: center; border-radius: 9px; color: var(--blue); background: var(--blue-soft); }
.reply p { margin: 2px 0 0; color: var(--muted); font-size: .91rem; line-height: 1.6; }
.source-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 15px; }
.source-chips span { padding: 7px 9px; border-radius: 7px; color: #58647a; background: var(--surface); font-size: .72rem; }
.industry-band { display: grid; grid-template-columns: .85fr 1.15fr; gap: 65px; align-items: center; padding: 72px 0; border-bottom: 1px solid var(--line); }
.industry-band:last-child { border-bottom: 0; }
.industry-label { color: var(--blue); font-size: .77rem; font-weight: 820; letter-spacing: .1em; text-transform: uppercase; }
.industry-band h2 { margin: 14px 0 14px; font-size: clamp(2rem, 3.5vw, 3.2rem); line-height: 1.1; letter-spacing: -.04em; }
.industry-band > div > p { color: var(--muted); line-height: 1.68; }
.industry-tools { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.industry-tool { min-height: 112px; padding: 19px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.industry-tool strong { display: block; margin-bottom: 7px; font-size: .9rem; }
.industry-tool span { color: var(--muted); font-size: .82rem; line-height: 1.45; }
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 930px; margin: 48px auto 0; }
.price-card { position: relative; padding: 38px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.price-card.featured { border: 2px solid var(--blue); box-shadow: 0 18px 45px rgba(36,86,232,.12); }
.price-badge { position: absolute; top: -13px; right: 22px; padding: 7px 11px; color: #fff; border-radius: 999px; background: var(--blue); font-size: .7rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.plan-name { color: var(--blue); font-size: .8rem; font-weight: 830; letter-spacing: .11em; text-transform: uppercase; }
.price { margin: 18px 0 8px; font-size: 3.35rem; font-weight: 760; letter-spacing: -.06em; }
.price small { color: var(--muted); font-size: .95rem; font-weight: 500; letter-spacing: 0; }
.setup { color: var(--muted); font-size: .9rem; }
.price-card .button { width: 100%; margin-top: 27px; }
.price-note { max-width: 930px; margin: 18px auto 0; padding: 22px 25px; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--muted); font-size: .9rem; line-height: 1.55; }
.price-note strong { color: var(--ink); }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
.principles { display: grid; gap: 12px; }
.principle { padding: 23px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.principle strong { display: block; margin-bottom: 7px; }
.principle p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.55; }
.auth-wrap { min-height: calc(100vh - 77px); display: grid; grid-template-columns: 1fr 1fr; }
.auth-story { display: grid; align-content: center; padding: 80px max(40px, calc((100vw - 1180px)/2)); color: #fff; background: var(--ink); }
.auth-story h1 { margin: 22px 0 18px; font-size: clamp(3rem, 5vw, 4.7rem); line-height: 1; letter-spacing: -.055em; }
.auth-story p { max-width: 520px; color: #adb8cb; font-size: 1.07rem; line-height: 1.7; }
.auth-panel { display: grid; align-content: center; padding: 70px clamp(28px, 7vw, 110px); background: var(--surface); }
.form-card { width: min(460px, 100%); margin-inline: auto; padding: 38px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
.form-card h2 { margin: 0 0 9px; font-size: 2rem; letter-spacing: -.04em; }
.form-card > p { margin: 0 0 27px; color: var(--muted); line-height: 1.55; }
.field { display: grid; gap: 8px; margin-top: 17px; }
.field label { font-size: .86rem; font-weight: 720; }
.field input, .field select, .field textarea { width: 100%; padding: 14px 15px; color: var(--ink); border: 1px solid #cdd6e4; border-radius: 10px; background: #fff; outline: none; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-soft); }
.form-row { display: flex; justify-content: space-between; gap: 15px; align-items: center; margin-top: 15px; font-size: .85rem; }
.form-row a { color: var(--blue); font-weight: 650; }
.form-card .button { width: 100%; margin-top: 23px; }
.form-status { display: none; margin-top: 16px; padding: 13px; border-radius: 9px; color: #385044; background: #f0f8f2; font-size: .82rem; line-height: 1.5; }
.form-status.show { display: block; }
.prototype-note { margin-top: 18px; color: #788397; font-size: .76rem; line-height: 1.5; }
.onboarding { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: start; }
.plan-picker { display: grid; gap: 12px; }
.plan-option { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; cursor: pointer; }
.plan-option:has(input:checked) { border: 2px solid var(--blue); background: #f9fbff; }
.plan-option input { accent-color: var(--blue); }
.plan-option strong { display: block; }
.plan-option span { color: var(--muted); font-size: .79rem; }
.plan-option b { font-size: 1.15rem; }
.summary-card { position: sticky; top: 104px; padding: 30px; color: #fff; border-radius: 19px; background: var(--ink); }
.summary-card h2 { margin: 0 0 24px; }
.summary-line { display: flex; justify-content: space-between; gap: 15px; padding: 14px 0; border-top: 1px solid #2a354b; color: #b7c1d2; }
.summary-line strong { color: #fff; }
.summary-card .button { width: 100%; margin-top: 22px; }
.legal-wrap { max-width: 860px; margin-inline: auto; }
.draft-banner { margin-bottom: 34px; padding: 18px 20px; border: 1px solid #f0d89b; border-radius: 12px; color: #69511b; background: #fff9e9; line-height: 1.55; }
.legal-wrap h2 { margin: 38px 0 12px; font-size: 1.3rem; }
.legal-wrap p, .legal-wrap li { color: var(--muted); line-height: 1.72; }
.cta-section { padding: 70px 0; }
.cta-panel { position: relative; overflow: hidden; padding: 62px; color: #fff; border-radius: 23px; background: var(--blue); }
.cta-panel::after { content: "IPSS"; position: absolute; right: -20px; bottom: -45px; color: rgba(255,255,255,.08); font-size: 10rem; font-weight: 850; letter-spacing: -.08em; }
.cta-panel h2 { position: relative; z-index: 1; max-width: 680px; margin: 0 0 15px; font-size: clamp(2.2rem, 4vw, 3.45rem); line-height: 1.08; letter-spacing: -.045em; }
.cta-panel p { position: relative; z-index: 1; max-width: 630px; margin: 0 0 27px; color: #dce5ff; line-height: 1.65; }
.cta-panel .button { position: relative; z-index: 1; }
.footer { padding: 54px 0 30px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; }
.footer-brand p { max-width: 330px; margin: 18px 0 0; color: var(--muted); font-size: .9rem; line-height: 1.6; }
.footer-column strong { display: block; margin-bottom: 17px; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; }
.footer-column a { display: block; margin: 11px 0; color: #647086; font-size: .88rem; }
.footer-column a:hover { color: var(--blue); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding-top: 24px; color: #818b9c; border-top: 1px solid #e5e9ef; font-size: .78rem; }
:focus-visible { outline: 3px solid rgba(36,86,232,.35); outline-offset: 3px; }
.public-spaced-28 { margin-top: 28px; }
.public-spaced-30 { margin-top: 30px; }
.public-spaced-32 { margin-top: 32px; }
.public-spaced-42 { margin-top: 42px; }
.public-spaced-48 { margin-top: 48px; }
.public-compact-title { font-size: 2.5rem; }
.public-muted-note { color: #98a5bb; }
@media (max-width: 980px) {
  .nav-links, .nav-actions .sign-in { display: none; }
  .mobile-toggle { display: inline-flex; }
  .page-hero { padding: 70px 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .process-row { grid-template-columns: 60px 1fr; }
  .process-row p { grid-column: 2; }
  .industry-band, .split, .onboarding { grid-template-columns: 1fr; gap: 40px; }
  .pricing-grid { max-width: 720px; }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-story { padding: 70px 40px; }
  .auth-panel { padding-block: 65px; }
  .summary-card { position: static; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  .shell { width: min(100% - 28px, 1180px); }
  .nav { min-height: 68px; }
  .brand-name { max-width: 230px; font-size: .92rem; }
  .nav-actions { display: none; }
  .mobile-menu { inset-block-start: 68px; }
  .page-hero h1 { font-size: clamp(3rem, 14vw, 4rem); }
  .page-hero p { font-size: 1.04rem; }
  .hero-actions .button { width: 100%; }
  .section { padding: 76px 0; }
  .grid-2, .pricing-grid, .industry-tools { grid-template-columns: 1fr; }
  .process-row { grid-template-columns: 1fr; gap: 10px; }
  .process-row p { grid-column: auto; }
  .industry-band { padding: 55px 0; }
  .price-card, .form-card { padding: 28px; }
  .auth-story, .auth-panel { padding-inline: 20px; }
  .auth-story h1 { font-size: 3rem; }
  .cta-panel { padding: 45px 25px; }
  .cta-panel::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}