/* =========================================================
   {platform_name} — Signal Desk / Market Intelligence Observatory
   Design direction: institutional analyst observatory.
   Deep navy base, hairline grid, serif display + grotesque body,
   muted cyan signal accent with restrained copper highlight.
   Mobile-first.
   ========================================================= */

/* ---------- Fonts (local, no runtime requests) ---------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/inter-400.woff2") format("woff2"),
       url("../fonts/inter-400.woff") format("woff");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/inter-500.woff2") format("woff2"),
       url("../fonts/inter-500.woff") format("woff");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/inter-600.woff2") format("woff2"),
       url("../fonts/inter-600.woff") format("woff");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/inter-700.woff2") format("woff2"),
       url("../fonts/inter-700.woff") format("woff");
}
@font-face {
  font-family: "Spectral";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/spectral-500.woff2") format("woff2"),
       url("../fonts/spectral-500.woff") format("woff");
}
@font-face {
  font-family: "Spectral";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/spectral-600.woff2") format("woff2"),
       url("../fonts/spectral-600.woff") format("woff");
}

/* ---------- Design tokens ---------- */
:root {
  --bg: #0a0f1a;
  --bg-2: #0c1322;
  --panel: #111a2b;
  --panel-2: #14202f;
  --ink: #e9eef6;
  --ink-soft: #aab6c8;
  --ink-mute: #7d8aa0;
  --line: rgba(150, 170, 200, 0.16);
  --line-strong: rgba(150, 170, 200, 0.30);
  --cyan: #6fc7d6;
  --cyan-deep: #3f8d9c;
  --copper: #cd9d6b;
  --danger: #d98a76;

  --maxw: 1180px;
  --gut: 20px;
  --radius: 4px;
  --radius-lg: 10px;

  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --step-shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.75);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  overflow-wrap: break-word;
  word-break: normal;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.form-card .iti .iti__selected-dial-code {
  color: #ffffff !important;
}

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gut);
}

.section { padding-block: 64px; position: relative; }
.section--tight { padding-block: 48px; }

.section-label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
  margin: 0 0 18px;
}
.section-label__index {
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.section-label__index::after {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  margin-left: 12px;
  vertical-align: middle;
  background: var(--line-strong);
}

.section-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.6rem, 5.4vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--ink);
}

.section-intro {
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0;
  font-size: 1rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--cyan);
  color: #06121a;
  border-color: var(--cyan);
}
.btn--primary:hover { background: #84d3e0; border-color: #84d3e0; }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn--link {
  background: transparent;
  color: var(--ink-soft);
  padding-inline: 4px;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
}
.btn--link:hover { color: var(--cyan); border-color: var(--cyan); }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 15, 26, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.brand__mark { width: 28px; height: 28px; flex: none; }
.brand__name { font-size: 1.02rem; }

.nav {
  display: none;
  align-items: center;
  gap: 26px;
}
.nav__link {
  font-size: 0.9rem;
  color: var(--ink-soft);
  font-weight: 500;
  transition: color 0.18s ease;
}
.nav__link:hover { color: var(--ink); }

.header-actions { display: none; align-items: center; gap: 12px; }
.header-actions .btn { padding: 9px 16px; font-size: 0.88rem; }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 38px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  width: 18px;
  margin-inline: auto;
  background: var(--ink);
}

.mobile-nav {
  display: none;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.mobile-nav.is-open { display: block; }
.mobile-nav__list { display: flex; flex-direction: column; padding-block: 8px; }
.mobile-nav__list a {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 500;
}
.mobile-nav__list a:last-child { border-bottom: 0; }
.mobile-nav__cta { display: flex; gap: 12px; padding-block: 14px; }
.mobile-nav__cta .btn { flex: 1; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 56px 60px;
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 78% 8%, rgba(111, 199, 214, 0.14), transparent 70%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
  z-index: -2;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 80%);
  opacity: 0.5;
  z-index: -1;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 600;
  margin: 0 0 22px;
}
.hero__eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(111, 199, 214, 0.18);
}
.hero__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.1rem, 8.6vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0 0 20px;
  max-width: 16ch;
}
.hero__desc {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 52ch;
  margin: 0 0 28px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 26px;
}
.hero__trust {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--ink-mute);
  max-width: 46ch;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.hero__trust svg { flex: none; margin-top: 2px; color: var(--copper); }

/* Hero signal panel */
.signal-card {
  margin-top: 40px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--step-shadow);
}
.signal-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.signal-card__label {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
}
.signal-card__dot {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.72rem; color: var(--cyan); font-weight: 600;
}
.signal-card__dot::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
}
.signal-spark { width: 100%; height: 92px; }
.signal-card__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.signal-card__meta div span {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.signal-card__meta div strong {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}
.signal-card__note {
  margin: 12px 0 0;
  font-size: 0.74rem;
  color: var(--ink-mute);
  line-height: 1.5;
}

/* ---------- Lead form section ---------- */
.lead { background: var(--bg-2); border-bottom: 1px solid var(--line); }
.lead__grid { display: grid; gap: 28px; }
.lead__aside-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 22px 0 14px;
}
.lead__steps { display: grid; gap: 12px; }
.lead__steps li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.lead__steps li::before {
  counter-increment: leadstep;
  content: counter(leadstep);
  position: absolute;
  left: 0; top: 0;
  width: 20px; height: 20px;
  display: grid; place-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cyan);
  border: 1px solid var(--cyan-deep);
  border-radius: 50%;
}
.lead__steps { counter-reset: leadstep; }

.form-card {
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.leadform { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field-row { display: grid; gap: 14px; }
.field label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.field input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 12px 14px;
  font-size: 0.95rem;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.field input::placeholder { color: var(--ink-mute); }
.field input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(111, 199, 214, 0.15);
}
.form-consent {
  font-size: 0.76rem;
  color: var(--ink-mute);
  line-height: 1.55;
  margin: 2px 0 0;
}
.form-secure {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.76rem; color: var(--ink-mute);
  margin: 0;
}
.form-secure svg { color: var(--cyan); flex: none; }
.iti { width: 100%; }

/* ---------- Capabilities cards ---------- */
.cap-grid { display: grid; gap: 16px; margin-top: 28px; }
.cap-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan-deep);
  border-radius: var(--radius);
  padding: 24px 20px;
}
.cap-card__index {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}
.cap-card__title {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 10px 0 8px;
}
.cap-card__text { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }

/* ---------- Analytics observatory ---------- */
.analytics { background: var(--bg-2); border-block: 1px solid var(--line); }
.analytics__grid { display: grid; gap: 26px; }
.chart-panel {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.chart-panel__title {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  font-weight: 600;
  margin: 0 0 16px;
}
.chart-figure { margin: 0; }
.chart-svg { width: 100%; height: 180px; }
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.chart-legend span { display: inline-flex; align-items: center; gap: 7px; }
.chart-legend i { width: 12px; height: 3px; border-radius: 2px; }
.chart-legend .lg-volume { background: var(--cyan-deep); }
.chart-legend .lg-trend { background: var(--copper); }
.chart-caption { font-size: 0.74rem; color: var(--ink-mute); margin: 10px 0 0; }

.analytics__stats { display: grid; gap: 10px; margin: 22px 0; }
.analytics__stats li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.analytics__stats span {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.analytics__stats strong {
  font-weight: 600;
  color: var(--ink);
  font-size: 0.95rem;
  text-align: right;
}
.check-list { display: grid; gap: 10px; }
.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 14px; height: 8px;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}

/* ---------- Process / how it works ---------- */
.process__list { display: grid; gap: 0; margin-top: 30px; counter-reset: step; }
.step-row {
  position: relative;
  display: grid;
  gap: 6px 26px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.step-row:last-child { border-bottom: 1px solid var(--line); }
.step-row__num {
  font-family: var(--serif);
  font-size: 2.4rem;
  line-height: 1;
  font-weight: 600;
  color: rgba(111, 199, 214, 0.28);
  font-variant-numeric: tabular-nums;
}
.step-row__title {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
}
.step-row__text { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }

/* ---------- Risk ledger ---------- */
.risk { background: var(--bg-2); border-block: 1px solid var(--line); }
.risk__note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 24px 0 0;
  padding: 16px 18px;
  background: rgba(217, 138, 118, 0.08);
  border: 1px solid rgba(217, 138, 118, 0.30);
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.risk__note svg { flex: none; color: var(--danger); margin-top: 2px; }
.ledger { margin-top: 26px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.ledger__head, .ledger__row {
  display: grid;
  grid-template-columns: 1fr;
}
.ledger__head {
  display: none;
  background: var(--panel-2);
}
.ledger__head span {
  padding: 12px 16px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
}
.ledger__row { border-top: 1px solid var(--line); }
.ledger__row:first-child { border-top: 0; }
.ledger__cell { padding: 16px; }
.ledger__cell--risk {
  color: var(--ink);
  font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.ledger__cell--risk::before {
  content: "Challenge";
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--danger);
  font-weight: 700;
  margin-bottom: 4px;
}
.ledger__cell--safe { color: var(--ink-soft); font-size: 0.93rem; }
.ledger__cell--safe::before {
  content: "Safeguard";
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 700;
  margin-bottom: 4px;
}

/* ---------- Platform details table ---------- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.spec-table caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.spec-table th, .spec-table td {
  text-align: left;
  padding: 15px 16px;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}
.spec-table tr:first-child th, .spec-table tr:first-child td { border-top: 0; }
.spec-table th {
  font-weight: 500;
  color: var(--ink-mute);
  width: 44%;
  letter-spacing: 0.02em;
}
.spec-table td { color: var(--ink); font-weight: 600; }
.spec-table tr:nth-child(even) { background: rgba(150, 170, 200, 0.04); }

/* ---------- Testimonials ---------- */
.quotes { display: grid; gap: 16px; margin-top: 28px; }
.quote {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.quote__mark {
  font-family: var(--serif);
  font-size: 2.6rem;
  line-height: 0.4;
  color: var(--cyan-deep);
  height: 18px;
}
.quote__text { color: var(--ink); font-size: 1rem; margin: 0; font-style: italic; }
.quote__who { margin-top: auto; }
.quote__name { font-weight: 600; font-size: 0.92rem; }
.quote__role { font-size: 0.8rem; color: var(--ink-mute); }
.quote--featured {
  border-color: var(--cyan-deep);
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
}

/* ---------- FAQ ---------- */
.faq__list { margin-top: 26px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 20px 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 600;
}
.faq-item__icon {
  flex: none;
  width: 22px; height: 22px;
  position: relative;
}
.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.faq-item__icon::before { top: 50%; left: 0; width: 100%; height: 2px; transform: translateY(-50%); }
.faq-item__icon::after { left: 50%; top: 0; width: 2px; height: 100%; transform: translateX(-50%); }
.faq-item[open] .faq-item__icon::after { opacity: 0; }
.faq-item__a {
  padding: 0 0 22px;
  color: var(--ink-soft);
  font-size: 0.96rem;
  max-width: 70ch;
}
details.faq-item > summary { list-style: none; }
details.faq-item > summary::-webkit-details-marker { display: none; }

/* ---------- Final CTA ---------- */
.final-cta { border-top: 1px solid var(--line); }
.final-cta__panel {
  background: linear-gradient(120deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: grid;
  gap: 22px;
  position: relative;
  overflow: hidden;
}
.final-cta__panel::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 199, 214, 0.18), transparent 70%);
}
.final-cta__title {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
  position: relative;
}
.final-cta__desc { color: var(--ink-soft); margin: 0; max-width: 52ch; position: relative; }
.final-cta__actions { display: flex; flex-wrap: wrap; gap: 14px; position: relative; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding-block: 48px 28px;
}
.footer__top { display: grid; gap: 30px; }
.footer__brand .brand { margin-bottom: 14px; }
.footer__tagline { color: var(--ink-soft); font-size: 0.92rem; max-width: 40ch; margin: 0; }
.footer__col-title {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
  margin: 0 0 14px;
}
.footer__links { display: grid; gap: 10px; }
.footer__links a { color: var(--ink-soft); font-size: 0.92rem; }
.footer__links a:hover { color: var(--cyan); }
.footer__risk {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.footer__risk-title {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 700;
  margin: 0 0 10px;
}
.footer__risk p { color: var(--ink-mute); font-size: 0.82rem; line-height: 1.6; margin: 0 0 12px; }
.footer__copy {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--ink-mute);
}

/* ---------- Service pages ---------- */
.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.page-shell__main {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: 60px;
  position: relative;
  overflow: hidden;
}
.page-shell__main::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(60% 50% at 50% 10%, rgba(111, 199, 214, 0.12), transparent 70%);
  z-index: -1;
}
.system-card {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}
.system-card__eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 600;
  margin-bottom: 18px;
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}
.system-card__title {
  font-family: var(--serif);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 16px;
}
.system-card__desc { color: var(--ink-soft); margin: 0 auto 28px; max-width: 46ch; }

/* ---------- Utilities ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute;
  left: 12px; top: -60px;
  background: var(--cyan);
  color: #06121a;
  padding: 10px 16px;
  border-radius: var(--radius);
  z-index: 100;
  transition: top 0.18s ease;
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* =========================================================
   Responsive — tablet
   ========================================================= */
@media (min-width: 680px) {
  .field-row { grid-template-columns: 1fr 1fr; }
  .cap-grid { grid-template-columns: repeat(3, 1fr); }
  .quotes { grid-template-columns: repeat(3, 1fr); }
  .signal-card__meta { grid-template-columns: 1fr 1fr 1fr; }
  .step-row { grid-template-columns: auto 1fr; align-items: start; }
  .step-row__num { grid-row: span 2; }
  .footer__top { grid-template-columns: 1.6fr 1fr 1fr; }
  .ledger__head { display: grid; grid-template-columns: 1fr 1.2fr; }
  .ledger__row { grid-template-columns: 1fr 1.2fr; }
  .ledger__cell--risk { border-bottom: 0; border-right: 1px solid var(--line); }
  .ledger__cell--risk::before, .ledger__cell--safe::before { display: none; }
  .final-cta__panel {
    grid-template-columns: 1.4fr auto;
    align-items: center;
  }
  .final-cta__actions { justify-content: flex-end; }
}

/* =========================================================
   Responsive — desktop
   ========================================================= */
@media (min-width: 980px) {
  :root { --gut: 32px; }
  .section { padding-block: 88px; }
  .nav, .header-actions { display: flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
  .site-header__inner { height: 72px; }

  .hero { padding-block: 76px 84px; }
  .hero__inner {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
  }
  .signal-card { margin-top: 0; }

  .lead__grid { grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: start; }
  .lead__head { position: sticky; top: 96px; }

  .analytics__grid { grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }

  .process__inner { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 48px; align-items: start; }
  .process__head { position: sticky; top: 96px; }
  .process__list { margin-top: 0; }

  .risk__inner { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; align-items: start; }
  .risk__head { position: sticky; top: 96px; }
  .ledger { margin-top: 0; }

  .platform__inner { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; align-items: center; }
  .spec-table { margin-top: 0; }

  .faq__inner { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 56px; align-items: start; }
  .faq__head { position: sticky; top: 96px; }
  .faq__list { margin-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}