/* Pranaalika company site: light editorial surfaces with blue and gold accents. */

@font-face { font-family: "Poppins"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/poppins-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/poppins-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/poppins-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/poppins-latin-700-normal.woff2") format("woff2"); }

:root {
  --blue-900: #1e3a8a;
  --blue-800: #1e40af;
  --blue-700: #1d4ed8;
  --blue-600: #1e3a8a;
  --blue-500: #3b82f6;
  --blue-50: #eff6ff;
  --gold-500: #f59e0b;
  --gold-400: #fbbf24;
  --gold-50: #fffbeb;
  --green-600: #16a34a;
  --green-50: #f0fdf4;
  --red-600: #dc2626;
  --red-50: #fef2f2;
  --purple-600: #9333ea;
  --purple-50: #faf5ff;
  --ink: #111827;
  --ink-2: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #ffffff;
  --bg-soft: #faf9f6;
  --hero-surface: linear-gradient(120deg, #fffdf7 0%, #ffffff 55%, #f1f5fa 100%);
  --navy: #0f172a;
  --brand-gradient: linear-gradient(120deg, var(--blue-800) 0%, var(--blue-600) 55%, var(--blue-500) 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.06);
  --shadow: 0 1px 3px rgba(17, 24, 39, 0.06), 0 8px 24px rgba(17, 24, 39, 0.06);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.18);
  --wrap: 1180px;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; margin: 0 0 0.5em; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; }
:focus-visible { outline: 3px solid var(--gold-400); outline-offset: 2px; border-radius: 4px; }

.icon { width: 1.25em; height: 1.25em; flex: none; vertical-align: -0.2em; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip-link { position: absolute; left: -9999px; top: 8px; background: #fff; color: var(--ink); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip-link:focus { left: 8px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; border-radius: 12px; border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: 15px; line-height: 1.2; cursor: pointer;
  text-decoration: none; transition: background-color .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--blue-600); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--blue-700); color: #fff; }
.btn-gold { background: #f2c75c; color: var(--navy); box-shadow: var(--shadow-sm); }
.btn-gold:hover { background: var(--gold-500); color: var(--navy); }
.btn-ghost { background: transparent; color: var(--blue-700); border-color: #bfdbfe; }
.btn-ghost:hover { background: var(--blue-50); color: var(--blue-800); }
.btn-light { background: #fff; color: var(--blue-900); border-color: #cbd5e1; }
.btn-light:hover { background: #f1f5f9; color: var(--blue-900); }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: 14px; border-radius: 10px; }
.btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }

/* Company navigation is intentionally distinct from the product app bar. */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 2px 10px rgba(15, 23, 42, 0.035); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--blue-900); text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-tile { display: grid; place-items: center; width: 44px; height: 44px; background: #fff; border-radius: 12px; box-shadow: var(--shadow-sm); }
.brand-tile img { width: 30px; height: 30px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.brand-sub { font-size: 12.5px; opacity: .85; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--ink-2); font-weight: 500; font-size: 15px; }
.nav-links a:hover { background: var(--bg-soft); text-decoration: none; }
.nav-links a[aria-current="page"] { background: #fff7e0; color: var(--blue-900); box-shadow: inset 0 -2px #d9ad45; }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-signin { color: var(--blue-900); font-weight: 500; font-size: 15px; padding: 8px 6px; }
.nav-signin:hover { color: var(--ink); }
.nav-toggle { display: none; background: var(--bg-soft); color: var(--blue-900); border: 1px solid var(--line); width: 44px; height: 44px; border-radius: 10px; cursor: pointer; }
.nav-toggle .icon { width: 24px; height: 24px; }
.nav-toggle .icon-close { display: none; }

@media (max-width: 960px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav { display: none; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 12px;
    padding: 12px 20px 20px; background: #fff; box-shadow: 0 12px 24px rgba(15, 23, 42, .08);
  }
  .nav.is-open { display: flex; }
  .nav-links { flex-direction: column; align-items: stretch; }
  .nav-links a { padding: 12px; font-size: 16px; }
  .nav-cta { flex-direction: column; align-items: stretch; }
  .nav-signin { text-align: center; padding: 10px; }
  .nav-open .nav-toggle .icon-menu { display: none; }
  .nav-open .nav-toggle .icon-close { display: block; }
}
@media (max-width: 420px) { .brand-sub { display: none; } }

/* Sections */
.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.section-soft { background: var(--bg-soft); }
.section-navy { background: var(--navy); color: #cbd5e1; }
.section-navy h2, .section-navy h3 { color: #fff; }
.section-navy p a { color: #bfdbfe; text-decoration: underline; text-underline-offset: .2em; }
.section-navy p a:hover { color: #fff; }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head p { font-size: 1.075rem; color: var(--muted); }
.section-navy .section-head p { color: #94a3b8; }
.section-navy .eyebrow { color: #94a3b8; }
.section-navy .hero-note { color: #94a3b8; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px;
  font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--blue-600);
}
.eyebrow-pill { padding: 6px 12px; border-radius: 999px; background: #fff7e0; color: var(--blue-900); letter-spacing: .03em; text-transform: none; font-weight: 500; }
.eyebrow-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold-400); }
.lead { font-size: 1.15rem; color: var(--muted); }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--hero-surface); color: var(--ink-2); padding: 72px 0 0; }
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 120px; background: var(--bg); }
.hero .wrap { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 48px; }
.hero h1 { color: var(--ink); max-width: 820px; }
.hero h1 .hl { color: var(--blue-900); text-decoration: underline; text-decoration-color: #e8c46c; text-decoration-thickness: .07em; text-underline-offset: .12em; }
.hero .lead { color: var(--ink-2); max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 14px; }
.hero-note { font-size: 14px; color: #475569; display: flex; flex-wrap: wrap; gap: 6px 20px; }
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-note .icon { color: #967018; }
.hero-shot { position: relative; margin: 8px auto 0; max-width: 1040px; }
.hero-shot .frame-desktop { box-shadow: var(--shadow-lg); }
.hero-shot .frame-phone { position: absolute; right: -12px; bottom: -28px; width: 23%; min-width: 120px; }
.page-hero { background: var(--hero-surface); color: var(--ink-2); padding: 72px 0 80px; border-bottom: 1px solid var(--line); }
.page-hero h1 { color: var(--ink); max-width: 820px; }
.page-hero .lead { color: var(--ink-2); max-width: 720px; margin-bottom: 0; }
.page-hero .hero-actions { margin-bottom: 0; }

/* Device frames for product screenshots */
.frame-desktop { border-radius: 14px; overflow: hidden; background: #fff; border: 1px solid rgba(15, 23, 42, .08); box-shadow: var(--shadow); }
.frame-desktop .bar { display: flex; gap: 6px; padding: 10px 14px; background: #f1f5f9; border-bottom: 1px solid var(--line); }
.frame-desktop .bar i { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.frame-phone { border-radius: 28px; padding: 8px; background: #0f172a; box-shadow: var(--shadow-lg); }
.frame-phone img { border-radius: 21px; }

/* Grids and cards */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); transition: box-shadow .2s, transform .2s, border-color .2s; }
.card:hover { box-shadow: var(--shadow); border-color: #dbe3ee; }
.card h3 { margin-top: 18px; }
.card p { color: var(--muted); margin-bottom: 0; }
.card p + p, .card p + .chips { margin-top: 0.75em; }
.card .tag { display: inline-block; margin-top: 14px; font-size: 12px; font-weight: 600; color: var(--blue-700); background: var(--blue-50); padding: 3px 10px; border-radius: 999px; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 600; }

.icon-tile { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--blue-50); color: var(--blue-600); }
.icon-tile .icon { width: 24px; height: 24px; }
.icon-tile.gold { background: var(--gold-50); color: #d97706; }
.icon-tile.green { background: var(--green-50); color: var(--green-600); }
.icon-tile.red { background: var(--red-50); color: var(--red-600); }
.icon-tile.purple { background: var(--purple-50); color: var(--purple-600); }

/* Problem list */
.pain { display: flex; gap: 16px; align-items: flex-start; padding: 22px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); }
.pain h3 { margin: 0 0 4px; font-size: 1.05rem; }
.pain p { margin: 0; color: var(--muted); font-size: 15px; }

/* Module groups */
.module-group h3.group-title { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 16px; }
.module { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-top: 1px solid var(--line); }
.module:first-of-type { border-top: 0; }
.module h4 { margin: 0 0 2px; font-size: 1.02rem; }
.module p { margin: 0; color: var(--muted); font-size: 15px; }
.module .ai-badge { margin-left: 6px; font-size: 11px; font-weight: 600; letter-spacing: .04em; color: #fff; background: var(--blue-600); padding: 2px 8px; border-radius: 999px; vertical-align: 2px; }

/* Split feature rows */
.split { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.split.reverse { grid-template-columns: 1.15fr 1fr; }
.split.reverse .split-media { order: -1; }
@media (max-width: 900px) { .split, .split.reverse { grid-template-columns: 1fr; gap: 32px; } .split.reverse .split-media { order: 0; } }
.checklist { list-style: none; display: grid; gap: 12px; margin: 20px 0 0; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; }
.checklist .icon { color: var(--green-600); margin-top: 4px; }
.checklist strong { color: var(--ink); }
.quote-q { margin: 20px 0 0; padding: 16px 18px; border-left: 4px solid var(--gold-400); background: var(--gold-50); border-radius: 0 12px 12px 0; color: var(--ink); font-style: italic; }

/* Timeline / steps */
.steps { list-style: none; display: grid; gap: 20px; counter-reset: step; }
.step { position: relative; padding: 24px 24px 24px 76px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: counter(step); position: absolute; left: 24px; top: 24px;
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--blue-600); color: #fff; font-weight: 700;
}
.step h3 { margin: 0 0 4px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); }
.day { display: grid; gap: 16px; }
.day-item { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 20px 0; border-top: 1px solid rgba(148, 163, 184, .25); }
.day-item:first-child { border-top: 0; }
.day-item .when { font-weight: 600; color: var(--gold-400); }
.day-item p { margin: 0; }
@media (max-width: 640px) { .day-item { grid-template-columns: 1fr; gap: 4px; } }

/* Not-for list */
.not-list { list-style: none; display: grid; gap: 14px; }
.not-list li { display: flex; gap: 12px; align-items: flex-start; }
.not-list .icon { color: var(--red-600); margin-top: 4px; }

/* Tech chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.chips li { font-size: 14px; padding: 6px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--ink-2); }

/* CTA band */
.cta-band { background: #fff8e8; border: 1px solid #e8d9b2; border-radius: 24px; padding: 56px; color: var(--ink-2); display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; }
.cta-band h2 { color: var(--ink); margin-bottom: 10px; }
.cta-band p { margin: 0; }
.cta-band .hero-actions { margin: 0; justify-content: flex-end; }
@media (max-width: 860px) { .cta-band { grid-template-columns: 1fr; padding: 36px 24px; } .cta-band .hero-actions { justify-content: flex-start; } }

/* Profile */
.profile { display: grid; grid-template-columns: 160px 1fr; gap: 32px; align-items: start; }
.avatar { width: 160px; height: 160px; border-radius: 24px; background: var(--brand-gradient); color: #fff; display: grid; place-items: center; font-size: 52px; font-weight: 700; letter-spacing: .02em; }
@media (max-width: 640px) { .profile { grid-template-columns: 1fr; } .avatar { width: 112px; height: 112px; font-size: 36px; } }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 10px 24px; margin: 0; }
.facts dt { font-weight: 600; color: var(--ink); }
.facts dd { margin: 0; color: var(--muted); }
@media (max-width: 520px) { .facts { grid-template-columns: 1fr; gap: 2px; } .facts dd { margin-bottom: 10px; } }

/* Forms */
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 960px) { .contact-grid { grid-template-columns: 1fr; } }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
@media (max-width: 520px) { .form-card { padding: 22px; } }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.field label, .field legend { font-weight: 500; font-size: 14px; color: var(--ink); }
.field .req { color: var(--red-600); }
.field .hint { font-size: 13px; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--ink); background: #fff;
  border: 1px solid #d1d5db; border-radius: var(--radius-sm); padding: 12px 14px; transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(59, 130, 246, .2); }
.field [aria-invalid="true"] { border-color: var(--red-600); }
.field-error { font-size: 13px; color: var(--red-600); }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); margin-bottom: 18px; }
.consent input { width: 18px; height: 18px; margin-top: 3px; flex: none; accent-color: var(--blue-600); }
.form-legal { font-size: 13px; color: var(--muted); margin: 0 0 20px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { display: none; border-radius: 12px; padding: 14px 16px; margin-bottom: 20px; font-size: 15px; }
.alert.is-visible { display: block; }
.alert ul { margin: 6px 0 0 18px; }
.alert-success { background: var(--green-50); border: 1px solid #bbf7d0; color: #14532d; }
.alert-error { background: var(--red-50); border: 1px solid #fecaca; color: #7f1d1d; }
.info-card { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.info-card h2 { font-size: 1.25rem; }
.info-list { list-style: none; display: grid; gap: 18px; margin: 16px 0 0; }
.info-list li { display: flex; gap: 14px; align-items: flex-start; }
.info-list .icon-tile { width: 40px; height: 40px; }
.info-list .icon-tile .icon { width: 20px; height: 20px; }
.info-list strong { display: block; color: var(--ink); font-weight: 600; }
.info-list span, .info-list a { font-size: 15px; }

/* Prose (privacy) */
.prose { max-width: 760px; }
.prose h2 { font-size: 1.35rem; margin-top: 2em; }
.prose ul { padding-left: 1.3em; margin: 0 0 1em; }
.prose li { margin-bottom: .4em; }
.prose .updated { color: var(--muted); font-size: 14px; }

/* Footer */
.site-footer { background: var(--navy); color: #94a3b8; padding: 64px 0 28px; font-size: 15px; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand p { margin: 16px 0; max-width: 340px; }
.footer-col h2 { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: #fff; margin-bottom: 14px; }
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col .icon { width: 14px; height: 14px; margin-left: 4px; opacity: .7; vertical-align: -1px; }
.footer-contact { list-style: none; display: grid; gap: 10px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact .icon { margin-top: 3px; color: var(--gold-400); }
.footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(148, 163, 184, .2); display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 14px; }

/* 404 */
.notfound { text-align: center; padding: 120px 0; }
.notfound .code { font-size: 96px; font-weight: 700; color: var(--blue-600); line-height: 1; margin-bottom: 12px; }
.notfound .hero-actions { justify-content: center; }

.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-lg { margin-top: 48px; }

/* Diagrams (inline SVG from partials/diagrams, built by scripts/build-diagrams.mjs) */
.diagram { margin: 0; background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%); border: 1px solid var(--line); border-radius: 24px; padding: 28px 28px 20px; box-shadow: var(--shadow); }
.diagram-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.diagram-svg { display: block; width: 100%; height: auto; }
.diagram-w900 .diagram-svg { min-width: 900px; }
.diagram-w940 .diagram-svg { min-width: 940px; }
.diagram-w960 .diagram-svg { min-width: 960px; }
.diagram-w980 .diagram-svg { min-width: 980px; }
.diagram figcaption { margin-top: 14px; font-size: 14px; color: var(--muted); }
.diagram-hint { display: none; margin: 10px 0 0; font-size: 13px; color: var(--muted); }
@media (max-width: 960px) { .diagram-hint { display: block; } .diagram { padding: 18px 16px 14px; } }
.diagram-hero { background: none; border: 0; box-shadow: none; padding: 0; }
.diagram-svg text { font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.d-t { font-size: 15px; font-weight: 600; fill: #0f172a; }
.d-s { font-size: 12.5px; fill: #64748b; }
.d-inv { fill: #ffffff; }
.d-inv-s { fill: #dbeafe; }
.d-t-brand { fill: #1e40af; }
.d-lane { font-size: 12px; font-weight: 600; letter-spacing: .08em; fill: #475569; }
.d-lane-inv { fill: #dbeafe; }
.d-num { font-size: 12px; font-weight: 700; fill: #0f172a; }
.d-group-label { font-size: 11px; font-weight: 600; letter-spacing: .06em; fill: #ffffff; }
.d-pill { font-size: 12.5px; font-weight: 500; fill: #334155; }
.d-note { font-size: 11.5px; font-weight: 500; fill: #475569; }
.d-edge { fill: none; stroke: #cbd5e1; stroke-width: 2; }
.d-edge-dashed { stroke: #93c5fd; stroke-dasharray: 5 6; }
.d-edge-inv { stroke: rgba(255, 255, 255, .35); }
.d-flow { fill: none; stroke: #3b82f6; stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 2 14; animation: d-flow 1.4s linear infinite; }
.d-flow-gold { stroke: #fde68a; }
@keyframes d-flow { to { stroke-dashoffset: -32; } }
.hero-diagram { margin-top: 12px; padding-bottom: 72px; }
@media (max-width: 900px) { .hero-diagram { display: none; } }
.hero.hero-plain::after { display: none; }
.hero.hero-plain { padding-bottom: 8px; }
.arch-title { font-size: 1.05rem; margin: 0 0 16px; color: var(--ink); }
.tech { margin: 0; display: grid; gap: 14px; }
.tech dt { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.tech dd { margin: 6px 0 0; }

/* Readable architecture narratives: semantic HTML, no animation or JS required. */
.request-map { margin: 28px 0 0; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(135deg, #eff6ff, #fff 65%); }
.request-stages { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.request-stages li { position: relative; padding: 22px 18px; border: 1px solid #cbd5e1; background: #fff; border-radius: 16px; display: flex; flex-direction: column; }
.request-stages li:not(:last-child)::after { content: '→'; position: absolute; right: -19px; top: 34px; color: #1e40af; font-size: 20px; }
.stage-number { color: #1e40af; font-size: 28px; font-weight: 600; font-variant-numeric: tabular-nums; }
.request-stages h4 { margin: 14px 0 8px; font-size: 17px; }
.request-stages p { font-size: 14px; margin: 0 0 20px; }
.stage-purpose { margin-top: auto; padding-top: 14px; border-top: 2px solid #fbbf24; color: #1e3a8a; font-size: 12px; font-weight: 600; }
.request-foundation { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 20px 0; font-size: 13px; color: #334155; }
.request-foundation strong { color: #1e40af; }
.request-map figcaption { border-top: 1px solid #cbd5e1; padding-top: 16px; font-size: 13px; color: #475569; }
.architecture-detail { margin: 24px 0; padding: 20px 24px; border: 1px solid #cbd5e1; border-radius: 14px; }
.architecture-detail summary { cursor: pointer; font-weight: 600; line-height: 1.6; }
.architecture-detail summary:focus-visible { outline: 3px solid #2563eb; outline-offset: 5px; }
.architecture-decisions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 24px 0 0; }
.architecture-decisions dt { font-weight: 600; margin-bottom: 8px; }
.architecture-decisions dd { margin: 0; font-size: 14px; }
.queue-map { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 28px; align-items: center; margin: 32px 0; }
.queue-lanes { display: grid; gap: 16px; }
.queue-lanes article, .queue-pool, .queue-recovery { padding: 24px; border: 1px solid #64748b; border-radius: 18px; background: rgba(255,255,255,.04); }
.queue-lanes article:first-child { border-left: 4px solid #fbbf24; }
.queue-lanes article:last-child { border-left: 4px solid #93c5fd; }
.queue-lanes article:first-child .eyebrow { color: #fbbf24; }
.queue-lanes article:last-child .eyebrow { color: #93c5fd; }
.queue-map h3 { font-size: 18px; }
.queue-map p, .queue-map small { font-size: 14px; }
.queue-pool { position: relative; border-color: #fbbf24; }
.flow-direction { position: absolute; left: -24px; top: 45%; color: #fbbf24; }
.slot-illustration { display: flex; gap: 8px; margin: 20px 0; padding: 0; list-style: none; }
.slot-illustration li { flex: 1; padding: 7px 4px; border-radius: 6px; background: #93c5fd; color: var(--navy); font-size: 12px; font-weight: 600; text-align: center; }
.slot-illustration .slot-interactive { background: #fbbf24; }
.slot-illustration .slot-free { background: transparent; border: 1px dashed #93c5fd; color: #bfdbfe; }
.section-navy .architecture-detail summary { color: #fff; }
.section-navy .architecture-detail summary:focus-visible { outline-color: #fbbf24; }
@media (max-width: 960px) {
  .request-stages { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .request-stages li::after { display: none; }
  .queue-map { grid-template-columns: 1fr; }
  .flow-direction { position: static; display: block; transform: rotate(90deg); width: 24px; margin: -12px auto 12px; }
}
@media (max-width: 600px) {
  .request-map { padding: 18px; }
  .request-stages, .architecture-decisions { grid-template-columns: 1fr; }
  .request-stages li { padding: 18px; }
  .request-stages li:not(:last-child)::after { display: block; content: '↓'; top: auto; right: 50%; bottom: -23px; }
}