/* Redoubt Assurance — site stylesheet
   Tokens first, then layout, then components. No framework, no build step. */

:root {
  --bone: #F2F0EA;
  --chalk: #FBFAF7;
  --escarp: #15181A;
  --ink: #4A5456;
  --glacis: #5D6A6B;
  --oxide: #9B3A22;
  --oxide-hi: #C4552F;
  --hair: #D4D0C6;
  --hair-2: #E2DED4;
  --hair-3: #C9C4B8;
  --dk-hair: #333A3C;
  --dk-mid: #4A5456;
  --dk-text: #C5CFCF;
  --dk-muted: #8A9899;
  --dk-soft: #A8B4B5;

  --sans: "Public Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: Merriweather, Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1200px;
  --gutter: 24px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--escarp);
  background: var(--bone);
}

img, svg { max-width: 100%; }
a { color: var(--oxide); }
a:hover { color: #7A2C19; }
:focus-visible { outline: 2px solid var(--oxide); outline-offset: 3px; }
.dark :focus-visible { outline-color: var(--oxide-hi); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.dark { background: var(--escarp); color: var(--dk-text); }
.chalk { background: var(--chalk); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Type ---------- */
.eyebrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--oxide);
}
.dark .eyebrow { color: var(--oxide-hi); }

.rule-label { display: block; }

h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.15; }
.display { font-family: var(--serif); font-weight: 400; line-height: 1.1; }
h1.display { font-size: clamp(32px, 4.2vw, 52px); line-height: 1.15; }
h2.display { font-size: clamp(26px, 2.8vw, 34px); line-height: 1.25; }
.lede { font-size: clamp(16px, 1.3vw, 19px); line-height: 1.65; color: var(--ink); max-width: 46em; }
.dark .lede { color: var(--dk-text); }
p { margin: 0; }
.prose p + p { margin-top: 1em; }
.prose { color: var(--ink); line-height: 1.7; max-width: 46em; }
.dark .prose { color: var(--dk-text); }
.serif-lede { font-family: var(--serif); font-size: clamp(18px, 1.5vw, 21px); line-height: 1.65; color: var(--escarp); max-width: 40em; }

.mono { font-family: var(--mono); }
.muted { color: var(--glacis); }
.dark .muted { color: var(--dk-muted); }

/* ---------- Header ---------- */
.site-header { background: var(--escarp); color: var(--bone); }
.site-header .wrap {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--bone); }
.brand svg { width: 21px; height: 16px; flex: none; }
.brand-name { font-size: 16px; font-weight: 700; letter-spacing: 0.1em; }
.brand-sub { font-size: 11px; font-weight: 500; letter-spacing: 0.12em; color: var(--dk-muted); padding-top: 2px; }

.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a {
  color: var(--dk-text);
  text-decoration: none;
  font-size: 14px;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--bone); }
.site-nav a[aria-current="page"] { color: var(--bone); border-bottom-color: var(--oxide-hi); }
.site-nav .cta { color: var(--escarp); background: var(--bone); font-weight: 600; padding: 13px 22px; border: 0; }
.site-nav .cta:hover { background: #fff; color: var(--escarp); }

.nav-toggle { display: none; }

@media (max-width: 860px) {
  .site-header .wrap { min-height: 64px; flex-wrap: wrap; }
  .brand-sub { display: none; }
  .nav-toggle { display: block; }
  .nav-toggle summary { list-style: none; cursor: pointer; width: 44px; height: 44px; display: grid; place-items: center; margin-right: -10px; }
  .nav-toggle summary::-webkit-details-marker { display: none; }
  .nav-toggle summary span { display: block; width: 22px; height: 2px; background: var(--bone); margin: 3px 0; }
  .site-nav { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0 20px; border-top: 1px solid var(--dk-hair); }
  .nav-toggle[open] ~ .site-nav { display: flex; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--dk-hair); }
  .site-nav a[aria-current="page"] { border-bottom-color: var(--dk-hair); color: var(--oxide-hi); }
  .site-nav .cta { margin-top: 12px; text-align: center; padding: 15px; }
}

/* ---------- Sections ---------- */
.section { padding: 80px 0; }
.section-tight { padding: 56px 0; }
.bordered { border-top: 1px solid var(--hair-2); }
.dark.bordered { border-top-color: var(--dk-hair); }
.section-head { display: grid; gap: 14px; margin-bottom: 40px; }
@media (max-width: 640px) { .section { padding: 48px 0; } .section-head { margin-bottom: 26px; } }

/* Hero */
.hero { padding: 100px 0; }
.hero .stack { display: grid; gap: 28px; }
.hero h1 { max-width: 15em; }
.actions { display: flex; flex-wrap: wrap; gap: 18px; padding-top: 8px; }
@media (max-width: 640px) { .hero { padding: 56px 0; } .hero .stack { gap: 20px; } }

.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  padding: 16px 28px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--sans);
  line-height: 1.2;
  border-radius: 2px;
}
.btn-light { background: var(--bone); color: var(--escarp); }
.btn-light:hover { background: #fff; color: var(--escarp); }
.btn-dark { background: var(--escarp); color: var(--bone); }
.btn-dark:hover { background: #000; color: var(--bone); }
.btn-ghost { background: transparent; color: var(--bone); border-color: var(--dk-mid); font-weight: 500; }
.btn-ghost:hover { border-color: var(--dk-text); color: var(--bone); }
@media (max-width: 640px) { .actions .btn { flex: 1 1 100%; text-align: center; } }

/* Statement band */
.statement { font-family: var(--serif); font-size: clamp(18px, 1.6vw, 22px); line-height: 1.6; max-width: 44em; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.card { background: var(--chalk); border-top: 2px solid var(--escarp); padding: 26px 30px; display: grid; gap: 11px; align-content: start; }
.card.accent { border-top-color: var(--oxide); }
.card h3 { font-size: 21px; }
.card p { font-size: 15px; line-height: 1.6; color: var(--ink); }
.card .num { font-size: 13px; font-weight: 600; color: var(--oxide); }
@media (max-width: 860px) { .cards { grid-template-columns: 1fr; gap: 16px; } .card { padding: 18px 20px; } .card h3 { font-size: 17px; } }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.steps-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 22px; }
.steps-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.step { display: grid; gap: 12px; align-content: start; }
.step::before { content: ""; display: block; height: 3px; background: var(--escarp); }
.dark .step::before { background: var(--bone); }
.step.accent::before { background: var(--oxide); }
.dark .step.accent::before { background: var(--oxide-hi); }
.step .num { font-size: 14px; font-weight: 600; color: var(--oxide); }
.step h3 { font-size: 18px; }
.dark .step h3 { color: var(--bone); }
.step p { font-size: 15px; line-height: 1.6; color: var(--ink); }
.dark .step p { color: var(--dk-text); }
@media (max-width: 960px) { .steps, .steps-5, .steps-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .steps, .steps-5, .steps-3 { grid-template-columns: 1fr; gap: 20px; } }

/* Two-column band */
.split { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 70px; align-items: center; }
.split-top { align-items: start; }
.split .stack { display: grid; gap: 20px; }
@media (max-width: 960px) { .split { grid-template-columns: 1fr; gap: 32px; } }

.panel { border: 1px solid var(--hair); padding: 28px; display: grid; gap: 14px; align-content: start; }
.dark .panel { border-color: var(--dk-mid); }
.panel .label { font-size: 13px; font-weight: 600; color: var(--glacis); }
.dark .panel .label { color: var(--dk-muted); }
.panel .list { font-size: 15px; line-height: 1.75; }
.panel hr { border: 0; height: 1px; background: var(--hair-2); margin: 0; }
.dark .panel hr { background: var(--dk-hair); }
.panel .fine { font-size: 13px; line-height: 1.6; color: var(--glacis); }
.dark .panel .fine { color: var(--dk-muted); }
.panel.accent { border-color: var(--oxide-hi); }
.definition { font-size: 15px; line-height: 1.65; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { font-family: var(--mono); font-size: 13px; border: 1px solid var(--hair-3); padding: 10px 16px; color: var(--escarp); }
.chip.todo { color: var(--glacis); border-style: dashed; }
@media (max-width: 640px) { .chip { font-size: 12px; padding: 8px 12px; } }

/* Service detail blocks */
.service { padding: 64px 0; border-top: 2px solid var(--escarp); }
.service.accent { border-top-color: var(--oxide); }
.service .split { grid-template-columns: minmax(0, 1fr) 400px; gap: 80px; align-items: start; }
.service h2 { font-size: clamp(26px, 2.6vw, 34px); }
.service .stack { gap: 18px; }
.service .num { font-size: 14px; font-weight: 600; color: var(--oxide); }
.inline-link { font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; justify-self: start; }
@media (max-width: 960px) { .service .split { grid-template-columns: 1fr; gap: 28px; } .service { padding: 44px 0; } }

/* Tenant table */
.tenant { border-top: 1px solid var(--escarp); }
.tenant-row { display: grid; grid-template-columns: 300px minmax(0, 1fr) 320px; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--hair); }
.tenant-row.head { padding: 18px 0; }
.tenant-row.head > div { font-size: 13px; font-weight: 600; color: var(--glacis); }
.tenant-row .k { font-weight: 600; }
.tenant-row .v { font-size: 15px; line-height: 1.6; color: var(--ink); }
.tenant-row .a { font-size: 15px; font-weight: 600; }
.tenant-row .a .todo { color: var(--oxide); }
@media (max-width: 960px) {
  .tenant-row { grid-template-columns: 1fr; gap: 8px; }
  .tenant-row.head { display: none; }
  .tenant-row .a::before { content: "Usual answer: "; font-family: var(--sans); font-size: 13px; color: var(--glacis); }
}

/* Stack grid (dark) */
.stack-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.stack-grid .panel { padding: 22px; gap: 10px; }
.stack-grid h3 { font-size: 16px; color: var(--bone); }
.stack-grid .list { font-size: 14px; line-height: 1.7; color: var(--dk-soft); }
@media (max-width: 960px) { .stack-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .stack-grid { grid-template-columns: 1fr; } }

/* Diagram */
.figure { background: var(--chalk); border: 1px solid var(--hair); padding: 30px; overflow-x: auto; }
.figure svg { display: block; min-width: 760px; width: 100%; height: auto; font-family: var(--sans); }
.figcaption { margin-top: 24px; font-size: 15px; line-height: 1.6; color: var(--ink); max-width: 56em; }
@media (max-width: 640px) { .figure { padding: 16px; } }

/* Founder */
.founder { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 70px; align-items: start; }
.photo {
  aspect-ratio: 340 / 420;
  border: 1px dashed #B9B3A5;
  background: var(--chalk);
  display: grid; place-items: center;
  text-align: center;
  font-size: 13px; line-height: 1.6; color: var(--glacis);
}
.photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 960px) { .founder { grid-template-columns: 1fr; gap: 28px; } .photo { max-width: 340px; } }

.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 24px; }
.facts div { font-size: 15px; line-height: 1.6; }
.facts span { display: block; color: var(--glacis); }

/* CTA band */
.cta-band { padding: 70px 0; }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.cta-band h2 { font-size: clamp(28px, 3vw, 36px); color: var(--bone); }
.cta-band p { color: var(--dk-text); margin-top: 14px; max-width: 40em; }
@media (max-width: 860px) { .cta-band .wrap { flex-direction: column; align-items: flex-start; gap: 24px; } .cta-band .btn { width: 100%; text-align: center; } }

/* Footer */
.site-footer { background: var(--escarp); color: var(--dk-muted); border-top: 1px solid var(--dk-hair); padding: 40px 0; }
.site-footer .row { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer .row + .row { margin-top: 48px; align-items: flex-end; }
.site-footer .brand-name { font-size: 14px; }
.site-footer nav { display: flex; gap: 28px; flex-wrap: wrap; }
.site-footer nav a { color: var(--dk-muted); text-decoration: none; font-size: 13px; }
.site-footer nav a:hover { color: var(--bone); }
.site-footer .fine { font-size: 13px; line-height: 1.6; max-width: 48em; }
.site-footer .copy { font-size: 13px; color: var(--glacis); }
@media (max-width: 640px) { .site-footer .row + .row { margin-top: 24px; } }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 720px) minmax(280px, 1fr); gap: 80px; align-items: start; }
@media (max-width: 1100px) { .contact-grid { gap: 40px; } }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.form { background: var(--chalk); border: 1px solid var(--hair); padding: 40px; display: grid; gap: 22px; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; font-weight: 600; color: var(--escarp); }
.field input, .field select, .field textarea {
  font-family: var(--sans);
  font-size: 15px;
  color: var(--escarp);
  background: #fff;
  border: 1px solid var(--hair-3);
  border-radius: 2px;
  padding: 0 14px;
  height: 48px;
  width: 100%;
}
.field textarea { height: auto; padding: 12px 14px; line-height: 1.5; resize: vertical; min-height: 150px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--oxide); outline-offset: 0; border-color: var(--oxide); }
.field .hint { font-size: 13px; color: var(--glacis); }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 6px; }
.form-foot .fine { font-size: 13px; line-height: 1.6; color: var(--glacis); text-align: right; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 640px) {
  .form { padding: 22px; }
  .form-row { grid-template-columns: 1fr; }
  .form-foot { flex-direction: column; align-items: stretch; }
  .form-foot .fine { text-align: left; }
  .form-foot .btn { text-align: center; }
}

.aside { display: grid; gap: 28px; }
.aside hr { border: 0; height: 1px; background: var(--hair); margin: 0; }
.aside .big-link { font-size: 22px; font-weight: 600; color: var(--escarp); text-decoration: none; word-break: break-all; }
.aside .big-link:hover { color: var(--oxide); }
.aside p { font-size: 15px; line-height: 1.7; color: var(--ink); }
.aside .small { font-size: 14px; color: var(--glacis); }

/* Notice pages */
.notice { min-height: 60vh; display: grid; align-content: center; gap: 22px; padding: 80px 0; }
.notice .actions { padding-top: 0; }