:root {
  --navy: #284766; --navy-2: #34587f; --ink: #1d232b; --text: #3e4652; --muted: #6b7685;
  --line: #e2e6eb; --soft: #f6f7f9; --blue-50: #eef3f9; --blue-100: #dbe5f1; --sky: #9db9da;
  --green: #2c6a4c; --green-50: #edf6f1; --amber: #8a5a13; --amber-50: #fbf5e8;
  --radius: 14px; --max: 1120px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: "Segoe UI", -apple-system, "Helvetica Neue", Arial, sans-serif; color: var(--text); background: #fff; line-height: 1.6; font-size: 17px; }
h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: 56px; font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: 36px; font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: 19px; font-weight: 600; }
p { margin: 0; }
a { color: var(--navy-2); text-decoration: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 32px; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy-2); margin-bottom: 14px; }
.lead { font-size: 20px; color: var(--text); max-width: 680px; }
.muted { color: var(--muted); }
section { padding: 96px 0; }
section.soft { background: var(--soft); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head h2 + p { margin-top: 16px; }

/* Header */
header.top { position: sticky; top: 0; background: rgba(255,255,255,0.92); border-bottom: 1px solid var(--line); z-index: 5; }
header.top .wrap { display: flex; align-items: center; height: 68px; gap: 32px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--ink); }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.brand b { font-weight: 700; }
.brand span { color: var(--navy-2); }
nav.links { display: flex; gap: 28px; margin-left: auto; font-size: 15px; }
nav.links a { color: var(--text); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: 15px; border: 1px solid transparent; }
.btn-primary { background: var(--navy); color: #fff; }
.btn-ghost { background: #fff; color: var(--navy); border-color: var(--line); }
.btn-small { padding: 8px 16px; font-size: 14px; }
.btn-light { background: #fff; color: var(--navy); }
.btn-outline-light { color: #fff; border-color: rgba(255,255,255,0.4); }

/* Hero */
.hero { padding: 88px 0 96px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 span { color: var(--navy-2); }
.hero .lead { margin-top: 22px; }
.hero .ctas { display: flex; gap: 12px; margin-top: 34px; }
.hero .note { margin-top: 22px; font-size: 14px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #3f9b6e; display: inline-block; flex: none; }

/* Product card */
.product { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 24px 60px rgba(29,35,43,0.10), 0 2px 6px rgba(29,35,43,0.05); overflow: hidden; }
.product .bar { display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.product .bar img { width: 20px; height: 20px; border-radius: 5px; }
.product .bar b { color: var(--ink); }
.product .body { padding: 22px; }
.chip { display: inline-block; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.chip-amber { background: var(--amber-50); color: var(--amber); }
.chip-green { background: var(--green-50); color: var(--green); }
.chip-blue { background: var(--blue-50); color: var(--navy-2); }
.product .title { margin: 10px 0 2px; font-weight: 600; color: var(--ink); font-size: 18px; }
.product .agent { margin: 16px 0; padding: 11px 14px; background: var(--blue-50); border-radius: 10px; font-size: 14px; color: var(--navy); }
.product .mail { border: 1px solid var(--line); border-radius: 10px; font-size: 13.5px; }
.product .mail .head { padding: 10px 14px; background: var(--soft); border-bottom: 1px solid var(--line); color: var(--muted); }
.product .mail .head b { color: var(--ink); font-weight: 600; }
.product .mail .text { padding: 12px 14px; color: var(--text); line-height: 1.55; }
.product .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.product .steps { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; font-size: 13.5px; }
.product .steps div { display: flex; gap: 10px; padding: 4px 0; color: var(--text); }
.product .steps span { color: var(--muted); width: 48px; flex: none; }

/* Grids and cards */
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(3, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card h3 { margin-bottom: 8px; }
.card p { font-size: 15.5px; }
.icon { width: 40px; height: 40px; border-radius: 10px; background: var(--blue-50); display: grid; place-items: center; margin-bottom: 16px; }
.icon svg { width: 20px; height: 20px; stroke: var(--navy-2); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.stat { font-size: 40px; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; }
.placeholder { border: 1.5px dashed var(--sky); background: var(--blue-50); color: var(--navy-2); }
.summary { margin-top: 36px; font-size: 19px; color: var(--ink); font-weight: 500; }

/* Worked example */
.example { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.receipt { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 30px; box-shadow: 0 10px 30px rgba(29,35,43,0.06); }
.receipt .row { display: flex; justify-content: space-between; gap: 16px; padding: 13px 0; border-bottom: 1px dashed var(--line); font-size: 16px; }
.receipt .row b { color: var(--ink); white-space: nowrap; }
.receipt .row small { display: block; color: var(--muted); font-size: 13px; }
.receipt .total { border-bottom: none; padding-top: 18px; font-size: 19px; }
.receipt .total b { color: var(--green); font-size: 24px; }
.chain .node { display: flex; gap: 16px; align-items: flex-start; }
.chain .bubble { width: 44px; height: 44px; flex: none; border-radius: 50%; display: grid; place-items: center; font-weight: 700; color: #fff; background: var(--navy); font-size: 15px; }
.chain .line { width: 2px; height: 26px; background: var(--blue-100); margin-left: 21px; }
.chain h3 { font-size: 17px; }
.chain p { font-size: 15px; color: var(--muted); }

/* Agent loop */
.how { display: grid; grid-template-columns: 440px 1fr; gap: 56px; align-items: center; }
.steps6 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 28px; }
.step b { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 17px; margin-bottom: 4px; }
.step b i { font-style: normal; width: 26px; height: 26px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font-size: 13px; flex: none; }
.step p { font-size: 15px; }
.principle { margin-top: 56px; display: flex; justify-content: center; gap: 14px; align-items: center; font-size: 19px; font-weight: 600; color: var(--ink); }
.principle .arrow { color: var(--sky); }

/* Tech strip */
.tech { display: flex; gap: 40px; align-items: center; justify-content: space-between; padding: 30px 34px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.tech h3 { margin-bottom: 6px; }
.tech p { font-size: 15.5px; max-width: 620px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; max-width: 380px; justify-content: flex-end; }
.tag { font-size: 13px; padding: 5px 12px; background: var(--soft); border: 1px solid var(--line); border-radius: 999px; color: var(--text); }

/* Roadmap */
.road .card h3 { display: flex; align-items: center; gap: 10px; }
.road ul { margin: 10px 0 0; padding-left: 18px; font-size: 15.5px; }
.road li { margin: 6px 0; }

/* Team */
.person { display: flex; gap: 16px; align-items: center; }
.avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--blue-100); flex: none; }

/* CTA band */
.cta { background: var(--navy); color: #fff; padding: 80px 0; }
.cta .wrap { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta h2 { color: #fff; }
.cta p { color: #c9d6e6; margin-top: 12px; font-size: 18px; }
.cta .ctas { display: flex; gap: 12px; flex: none; }

/* Footer */
footer { padding: 34px 0; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; justify-content: space-between; align-items: center; }
footer nav { display: flex; gap: 24px; }
footer a { color: var(--muted); }

/* Contact page */
.contact-hero { padding: 96px 0 48px; }
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: start; padding-bottom: 104px; }
.mailbox { background: var(--navy); color: #fff; border-radius: 18px; padding: 36px; }
.mailbox h3 { color: #fff; font-size: 22px; }
.mailbox .email { display: block; margin: 18px 0 8px; font-size: 26px; font-weight: 600; color: #fff; }
.mailbox p { color: #c9d6e6; font-size: 15.5px; }
.mailbox .row { display: flex; gap: 12px; margin-top: 28px; }
.who { display: grid; gap: 16px; }

/* Phones */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  h1 { font-size: 38px; } h2 { font-size: 28px; }
  section { padding: 64px 0; }
  nav.links { display: none; }
  header.top .btn { margin-left: auto; }
  .hero { padding: 48px 0 64px; }
  .hero .wrap, .example, .how, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .g2, .g3, .g4, .steps6 { grid-template-columns: 1fr; }
  .hero .ctas, .cta .wrap, .cta .ctas, .tech, footer .wrap, .mailbox .row { flex-direction: column; align-items: stretch; }
  .tags { justify-content: flex-start; }
  .principle { flex-direction: column; gap: 4px; text-align: center; }
  .how svg { max-width: 340px; margin: 0 auto; display: block; }
  footer .wrap { gap: 14px; }
}

/* Blocks waiting for content are hidden in the markup ("hidden"); this keeps them hidden even where a display rule applies. */
[hidden] { display: none !important; }

/* Running text (privacy notice) */
.prose h2 { font-size: 24px; margin: 44px 0 10px; }
.prose p { max-width: 720px; }

/* A heading whose content block is hidden needs no space below it. */
.section-head:has(+ [hidden]) { margin-bottom: 0; }