@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root {
  --ink: #182b3a;
  --muted: #607483;
  --quiet: #8b9aa4;
  --paper: #f4f7f5;
  --surface: #ffffff;
  --surface-2: #eaf1ef;
  --line: #d6e1df;
  --teal: #087e8b;
  --teal-deep: #07515c;
  --teal-soft: #d9f0ed;
  --coral: #d6674e;
  --coral-soft: #f8e5df;
  --navy: #173a4a;
  --shadow: 0 16px 50px rgba(28, 65, 77, .09);
  --radius: 18px;
}
[data-theme="dark"] {
  --ink: #e9f1ef; --muted: #b4c4c7; --quiet: #84999d;
  --paper: #11232b; --surface: #18323b; --surface-2: #203e47;
  --line: #31515a; --teal: #62c4c5; --teal-deep: #a1e4df;
  --teal-soft: #1a4b52; --coral: #f09176; --coral-soft: #52372f;
  --navy: #d9eeea; --shadow: 0 16px 50px rgba(0,0,0,.22);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "DM Sans", sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
code { font-family: "Space Mono", ui-monospace, monospace; font-size: .9em; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; background: var(--ink); color: var(--paper); padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 16px; }
button, input, select { font: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
.tech-shell { min-height: 100dvh; overflow: clip; }
.tech-nav { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 90%, transparent); backdrop-filter: blur(16px); }
.nav-inner { max-width: 1180px; height: 76px; margin: auto; padding: 0 28px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; letter-spacing: -.03em; white-space: nowrap; }
.brand-mark { width: 34px; height: 34px; border: 2px solid var(--teal); border-radius: 11px 11px 11px 3px; display: grid; place-items: center; color: var(--teal); font-family: "Space Mono"; font-size: .77rem; transform: rotate(-6deg); }
.brand small { display: block; color: var(--quiet); font: 700 .58rem "Space Mono"; letter-spacing: .14em; text-transform: uppercase; margin-top: -2px; }
.nav-links { display: flex; align-items: center; gap: 5px; margin-left: auto; }
.nav-links a { padding: 9px 12px; border-radius: 9px; color: var(--muted); font-size: .87rem; font-weight: 600; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--teal-deep); background: var(--teal-soft); }
.theme-toggle, .menu-toggle { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 10px; min-width: 38px; height: 38px; cursor: pointer; }
.theme-toggle:hover, .menu-toggle:hover { border-color: var(--teal); }
.menu-toggle { display: none; font-size: 1.1rem; }
.container { max-width: 1180px; margin: auto; padding: 0 28px; }
.eyebrow { color: var(--teal); font: 700 .72rem "Space Mono"; letter-spacing: .13em; text-transform: uppercase; }
.hero { padding: 86px 0 92px; position: relative; }
.hero::after { content: ""; position: absolute; width: 430px; height: 430px; right: -160px; top: -80px; border-radius: 50%; background: var(--teal-soft); opacity: .7; z-index: -1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: center; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 780px; margin: 17px 0 22px; font-size: clamp(3rem, 7vw, 6.2rem); letter-spacing: -.075em; line-height: .97; font-weight: 700; }
h1 em { color: var(--teal); font-style: normal; }
.lede { max-width: 640px; color: var(--muted); font-size: clamp(1.04rem, 2vw, 1.23rem); line-height: 1.65; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 10px; min-height: 45px; padding: 0 17px; cursor: pointer; font-weight: 700; font-size: .88rem; transition: transform .2s ease, background-color .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--teal); color: #fff; }
.button-primary:hover { background: var(--teal-deep); }
.button-quiet { border-color: var(--line); background: var(--surface); color: var(--ink); }
.button-quiet:hover { border-color: var(--teal); }
.home-button { white-space: nowrap; }
.signal-card { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 25px; box-shadow: var(--shadow); transform: rotate(1.5deg); }
.signal-top { display: flex; justify-content: space-between; color: var(--muted); font: .67rem "Space Mono"; text-transform: uppercase; letter-spacing: .09em; }
.signal-answer { margin: 35px 0 26px; font-size: 2rem; line-height: 1.06; letter-spacing: -.06em; }
.signal-answer strong { color: var(--teal); }
.provenance { border-top: 1px solid var(--line); padding-top: 15px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; font-size: .75rem; color: var(--muted); }
.provenance b { display: block; color: var(--ink); font-size: .8rem; }
.section { padding: 82px 0; }
.section-tinted { background: var(--surface-2); }
.section-heading { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 35px; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -.065em; line-height: 1.02; margin-bottom: 10px; }
.section-heading p { max-width: 425px; color: var(--muted); margin-bottom: 0; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 23px; transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease; }
.card:hover { transform: translateY(-4px); border-color: var(--teal); box-shadow: var(--shadow); }
.card-number { color: var(--coral); font: 700 .72rem "Space Mono"; }
.card h3 { margin: 20px 0 8px; font-size: 1.15rem; letter-spacing: -.025em; }
.card p { color: var(--muted); font-size: .92rem; margin-bottom: 18px; }
.card-link { color: var(--teal-deep); font-weight: 700; font-size: .84rem; }
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.principles { display: grid; gap: 13px; }
.principle { padding: 18px 0 18px 20px; border-left: 2px solid var(--coral); }
.principle h3 { margin-bottom: 5px; font-size: 1.05rem; }
.principle p { margin-bottom: 0; color: var(--muted); font-size: .9rem; }
.tech-footer { margin-top: 70px; padding: 45px 0 28px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer-copy { color: var(--muted); font-size: .8rem; max-width: 540px; }
.footer-nav { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: .8rem; font-weight: 600; }
.footer-nav a:hover { color: var(--teal); }
.page-head { padding: 62px 0 45px; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(2.8rem, 6vw, 5.4rem); max-width: 760px; }
.catalogue { padding: 44px 0 80px; }
.catalogue-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.service-card { display: grid; grid-template-columns: 1fr auto; gap: 10px 22px; }
.service-card p { grid-column: 1 / -1; margin: 0; }
.service-meta { grid-column: 1 / -1; display: flex; gap: 9px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; border-radius: 99px; padding: 4px 9px; font: 700 .65rem "Space Mono"; background: var(--teal-soft); color: var(--teal-deep); }
.badge-warm { background: var(--coral-soft); color: #984c3c; }
.service-arrow { font-size: 1.5rem; color: var(--teal); }
.service-layout { display: grid; grid-template-columns: 1fr .7fr; gap: 55px; padding: 50px 0 80px; }
.form-card, .result-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 27px; box-shadow: 0 10px 35px rgba(28,65,77,.05); }
.form-card h2, .result-card h2 { font-size: 1.6rem; }
.field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 17px; }
.field { display: grid; gap: 7px; }
.field-wide { grid-column: 1 / -1; }
.field label { font-size: .78rem; font-weight: 700; color: var(--muted); }
.field input, .field select { width: 100%; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: var(--ink); padding: 12px 13px; min-height: 45px; }
.field input:focus, .field select:focus { border-color: var(--teal); outline: 3px solid var(--teal-soft); }
.field small { color: var(--muted); font-size: .76rem; }
.result-card { position: sticky; top: 102px; }
.result-empty { color: var(--muted); font-size: .92rem; }
.answer-number { font-family: "Space Mono", ui-monospace, monospace; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.1; color: var(--teal-deep); margin: 18px 0 24px; overflow-wrap: anywhere; }
.answer-number small { font: 700 .85rem/1 "DM Sans", sans-serif; color: var(--muted); }
.data-list { display: grid; gap: 12px; margin: 22px 0; }
.data-row { display: flex; justify-content: space-between; gap: 15px; padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: .86rem; }
.data-row span { color: var(--muted); }
.data-row strong { text-align: right; }
.notice { padding: 14px 15px; border-radius: 10px; font-size: .83rem; margin-bottom: 17px; }
.notice-error { background: var(--coral-soft); color: #893d30; border: 1px solid #e7b6a8; }
.notice-info { background: var(--teal-soft); color: var(--teal-deep); border: 1px solid #a6d9d4; }
.notice-info a { text-decoration: underline; text-underline-offset: 3px; }
.list { padding-left: 20px; color: var(--muted); font-size: .88rem; }
.list li + li { margin-top: 7px; }
.result-list { display: grid; gap: 10px; max-height: 540px; overflow: auto; margin: 18px 0 24px; padding-right: 4px; }
.result-item { display: grid; grid-template-columns: 100px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.result-item time { color: var(--muted); font-family: "Space Mono", ui-monospace, monospace; font-size: .76rem; }
.result-item strong, .result-item small { display: block; }
.result-item small { color: var(--muted); margin-top: 3px; }
.result-alert { grid-template-columns: 1fr; gap: 8px; }
.result-alert .badge { display: inline-flex; margin: 0 8px 7px 0; }
.result-alert p { margin: 0; font-size: .85rem; }
.result-json { overflow: auto; max-height: 420px; padding: 15px; border-radius: 10px; background: var(--paper); border: 1px solid var(--line); color: var(--ink); }
.status-list { display: grid; gap: 12px; padding: 42px 0 80px; }
.status-row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 25px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px 21px; }
.status-row h3 { margin: 0; font-size: 1rem; }
.status-row p { margin: 3px 0 0; color: var(--muted); font-size: .82rem; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--teal); display: inline-block; margin-right: 7px; }
.status-badge-degraded { background: var(--coral-soft); color: #893d30; border-color: #e7b6a8; }
.status-badge-degraded .status-dot { background: var(--coral); }
.method-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 45px 0 80px; }
.method-card { min-height: 205px; }
.method-card h3 { font-size: 1.35rem; }
.method-card .card-number { font-size: 1rem; }
.contract-list { display: grid; gap: 10px; }
.contract-list div { display: grid; grid-template-columns: 160px 1fr; gap: 18px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.contract-list code { color: var(--teal-deep); font-weight: 700; }
.contract-list span { color: var(--muted); font-size: .86rem; }
.agent-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; padding: 45px 0 70px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
@media (max-width: 820px) {
  .nav-inner { padding: 0 18px; height: 67px; }
  .menu-toggle { display: block; order: 3; }
  .theme-toggle { margin-left: auto; }
  .nav-links { display: none; position: absolute; left: 14px; right: 14px; top: 74px; padding: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 13px; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 12px; }
  .hero-grid, .service-layout, .split { grid-template-columns: 1fr; gap: 35px; }
  .agent-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0; }
  .hero::after { width: 260px; height: 260px; right: -130px; }
  .signal-card { transform: none; }
  .card-grid, .catalogue-grid, .method-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .result-card { position: static; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  h1 { font-size: clamp(2.8rem, 15vw, 4.5rem); }
  .field-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 16px; }
  .status-row { grid-template-columns: 1fr auto; gap: 8px; }
  .status-row .badge { grid-column: 1 / -1; width: max-content; }
  .result-item, .contract-list div { grid-template-columns: 1fr; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .button:hover, .card:hover { transform: none; }
}