/* =========================================================================
   Meridian V2 — Sistema visual "Industrial Editorial" (Rota A, aprovada S4).
   Fundo claro, navy estrutural, dourado raro, linhas/colunas/tabelas/números.
   ========================================================================= */

:root {
  --navy: #0b1b2d;
  --navy-deep: #07121f;
  --ink: #152231;
  --slate: #435062;
  --muted: #6d7887;
  --faint: #9ba5b0;
  --paper: #ffffff;
  --paper-2: #f5f6f7;
  --paper-3: #ebeef1;
  --line: #dce1e6;
  --gold: #a77b3d;
  --gold-soft: #d2a762;
  --positive: #426d65;
  --danger: #9a3b32;
  --max: 1240px;
  --sans: Inter, "Segoe UI", Arial, sans-serif;
  --mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

a { color: inherit; }

button, input, select, textarea { font: inherit; }

button { color: inherit; }

img { max-width: 100%; }

h1, h2, h3, p, ul, ol { margin: 0; }

/* ---- Acessibilidade: foco visível ---- */
:focus { outline: none; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--navy);
  color: white;
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* =========================================================================
   Header e navegação
   ========================================================================= */

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(140%) blur(2px);
}

.site-header.is-scrolled { border-bottom-color: var(--line); }

.header-row {
  display: grid;
  min-height: 78px;
  grid-template-columns: 210px 1fr auto;
  align-items: center;
  gap: 36px;
}

.brand { display: inline-flex; }

.brand img {
  display: block;
  width: 176px;
  height: auto;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 30px;
}

.nav-item { position: relative; }

.nav-trigger {
  display: inline-flex;
  border: 0;
  padding: 25px 0 23px;
  align-items: center;
  gap: 8px;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
}

.nav-trigger:hover { color: var(--gold); }

.nav-trigger::after {
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  content: "";
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.18s ease;
}

.nav-trigger[aria-expanded="true"]::after { transform: translateY(2px) rotate(225deg); }

.mega-menu {
  position: absolute;
  top: calc(100% - 4px);
  left: 50%;
  width: min(820px, calc(100vw - 64px));
  border: 1px solid var(--line);
  background: white;
  box-shadow: 0 18px 40px rgba(11, 27, 45, 0.11);
  transform: translateX(-50%);
}

.mega-menu.small { width: 420px; }

.mega-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.mega-column { padding: 30px 32px 32px; }

.mega-column + .mega-column { border-left: 1px solid var(--line); }

.mega-label,
.eyebrow,
.section-index,
.stage-code {
  color: var(--gold);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.mega-link {
  display: block;
  border-top: 1px solid var(--line);
  padding: 14px 0;
  text-decoration: none;
}

.mega-link:first-of-type { margin-top: 16px; }

.mega-link:hover strong { color: var(--gold); }

.mega-link strong,
.mega-link span { display: block; }

.mega-link strong { color: var(--navy); font-size: 14px; }

.mega-link span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.header-cta,
.button {
  display: inline-flex;
  min-height: 45px;
  border: 1px solid var(--navy);
  padding: 11px 18px;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  color: white;
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}

.header-cta:hover,
.button:hover { background: #122a42; }

.button.secondary { background: transparent; color: var(--navy); }

.button.secondary:hover { background: var(--navy); color: white; }

.button.on-navy {
  background: white;
  color: var(--navy);
  border-color: white;
}

.button.on-navy:hover { background: #e6eaee; }

.mobile-toggle,
.mobile-panel { display: none; }

/* =========================================================================
   Heros
   ========================================================================= */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(11, 27, 45, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 27, 45, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  mask-image: linear-gradient(to right, transparent 4%, black 48%, transparent 96%);
}

.hero-grid {
  position: relative;
  display: grid;
  min-height: 650px;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 86px;
}

.hero-copy { padding: 96px 0; }

/* Hero com vídeo de fundo (home) */
.hero-video { background: var(--navy-deep); border-bottom: 0; }
.hero-video::before { display: none; }
.hero-video .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-video .hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(7, 18, 31, 0.66) 0%, rgba(7, 18, 31, 0.34) 42%, rgba(7, 18, 31, 0.06) 76%, rgba(7, 18, 31, 0) 100%);
}
.hero-video .hero-grid { position: relative; z-index: 2; grid-template-columns: 1fr; min-height: 600px; }
.hero.hero-video .eyebrow { color: var(--gold-soft); text-shadow: 0 1px 10px rgba(0, 0, 0, 0.45); }
.hero.hero-video h1 { color: #fff; text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5); }
.hero.hero-video .hero-lead { color: #eef2f6; text-shadow: 0 1px 14px rgba(0, 0, 0, 0.45); }
.hero-video .button.secondary { color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.hero-video .button.secondary:hover { background: #fff; color: var(--navy); border-color: #fff; }

.hero h1 {
  max-width: 850px;
  margin: 20px 0 24px;
  color: var(--navy);
  font-size: clamp(50px, 6vw, 88px);
  font-weight: 520;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero-lead {
  max-width: 690px;
  color: var(--slate);
  font-size: 19px;
  line-height: 1.6;
}

.hero-lead + .hero-lead { margin-top: 16px; }

.hero-actions {
  display: flex;
  margin-top: 34px;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-ledger {
  border-top: 4px solid var(--navy);
  background: rgba(255, 255, 255, 0.9);
}

.ledger-row {
  display: grid;
  grid-template-columns: 58px 1fr;
  border-bottom: 1px solid var(--line);
  padding: 24px 4px;
  gap: 16px;
}

.ledger-row .n { color: var(--gold); font-family: var(--mono); font-size: 13px; }

.ledger-row strong { display: block; color: var(--navy); font-size: 18px; }

.ledger-row p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }

/* Hero de página interna (claro, mais compacto) */
.page-hero {
  padding: 90px 0 76px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  align-items: end;
  gap: 90px;
}

.page-hero.single .page-hero-grid { grid-template-columns: 1fr; }

.page-hero h1 {
  margin: 18px 0 22px;
  color: var(--navy);
  font-size: clamp(46px, 5.4vw, 78px);
  font-weight: 530;
  letter-spacing: -0.05em;
  line-height: 1;
}

.page-hero p {
  max-width: 760px;
  color: var(--slate);
  font-size: 18px;
}

.page-hero p + p { margin-top: 14px; }

.metric-ledger { border-top: 3px solid var(--navy); }

.metric-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  align-items: baseline;
  gap: 20px;
}

.metric-row strong { color: var(--navy); font-size: 28px; }

.metric-row span { color: var(--muted); font-size: 13px; }

/* =========================================================================
   Seções
   ========================================================================= */

.section { padding: 105px 0; }

.section.tight { padding: 78px 0; }

.section.alt { background: var(--paper-2); }

.section.navy { background: var(--navy); color: white; }

.section-head {
  display: grid;
  margin-bottom: 50px;
  grid-template-columns: 120px minmax(0, 1fr) minmax(250px, 0.45fr);
  align-items: start;
  gap: 30px;
}

.section-head.narrow { grid-template-columns: 120px minmax(0, 1fr); }

.section-head h2 {
  max-width: 760px;
  color: var(--navy);
  font-size: clamp(34px, 4vw, 58px);
  font-weight: 540;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.section-head > p { margin: 4px 0 0; color: var(--muted); }

.navy .section-head h2,
.navy .section-head > p { color: white; }

.section-lead {
  max-width: 760px;
  margin-bottom: 30px;
  color: var(--slate);
  font-size: 17px;
}

.navy .section-lead { color: #c2cbd4; }

/* =========================================================================
   Tabelas de decisão / serviço / mecânica (linhas, sem cards)
   ========================================================================= */

.decision-table,
.service-table,
.mechanics-table,
.step-list { border-top: 2px solid var(--navy); }

.decision-row {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
  align-items: center;
  gap: 30px;
}

.decision-row h3,
.service-row h3 { color: var(--navy); font-size: 21px; }

.decision-row p,
.service-row p { color: var(--slate); }

.text-link {
  color: var(--navy);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.text-link::after { margin-left: 8px; content: "\2192"; }

.text-link:hover { color: var(--gold); }

.service-row {
  display: grid;
  grid-template-columns: 100px 0.7fr 1fr;
  border-bottom: 1px solid var(--line);
  padding: 27px 0;
  gap: 30px;
  align-items: start;
}

.service-row .entry { color: var(--positive); font-size: 13px; font-weight: 700; }

.service-row .stage-code { padding-top: 4px; }

.mechanics-row {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1fr;
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  gap: 28px;
}

.mechanics-row strong { color: var(--navy); }

.mechanics-row p { color: var(--slate); }

.mechanics-row .impact { color: var(--positive); font-weight: 700; }

/* =========================================================================
   Blocos de programa (copy + lista de etapas)
   ========================================================================= */

.program-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 78px;
}

.program-copy h2,
.instrument-copy h2 {
  margin: 16px 0 22px;
  color: var(--navy);
  font-size: clamp(32px, 3.6vw, 52px);
  font-weight: 530;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.program-copy p,
.instrument-copy p { color: var(--slate); font-size: 17px; }

.program-copy p + p { margin-top: 14px; }

.step-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  border-bottom: 1px solid var(--line);
  padding: 23px 0;
  gap: 22px;
}

.step-row strong { display: block; color: var(--navy); font-size: 18px; }

.step-row p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }

.navy .step-list { border-top-color: rgba(255, 255, 255, 0.75); }
.navy .step-row { border-bottom-color: rgba(255, 255, 255, 0.16); }
.navy .step-row strong { color: white; }
.navy .step-row p { color: #b9c3ce; }
.navy .stage-code { color: var(--gold-soft); }

/* =========================================================================
   Prova / evidência / responsabilidades
   ========================================================================= */

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 2px solid var(--navy);
}

.evidence-item {
  min-height: 230px;
  border-bottom: 1px solid var(--line);
  padding: 28px 28px 32px 0;
}

.evidence-item + .evidence-item { border-left: 1px solid var(--line); padding-left: 28px; }

.evidence-item strong {
  display: block;
  margin: 30px 0 10px;
  color: var(--navy);
  font-size: 22px;
}

.evidence-item p { color: var(--muted); font-size: 14px; }

.responsibility {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.section:not(.navy) .responsibility { border-top-color: var(--navy); }

.responsibility article { padding: 28px 28px 16px 0; }

.responsibility article + article {
  border-left: 1px solid rgba(255, 255, 255, 0.18);
  padding-left: 28px;
}

.section:not(.navy) .responsibility article + article { border-left-color: var(--line); }

.responsibility h3 { margin: 16px 0; font-size: 21px; }

.section:not(.navy) .responsibility h3 { color: var(--navy); }

.responsibility ul { padding-left: 18px; color: #c2cbd4; }

.section:not(.navy) .responsibility ul { color: var(--slate); }

.responsibility li + li { margin-top: 8px; }

/* Instrumentos (banda navy) */
.instrument-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
}

.instrument-list { border-top: 2px solid white; }

.instrument-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  padding: 24px 0;
  gap: 22px;
}

.instrument-row strong { color: white; }

.instrument-row p { margin: 4px 0 0; color: #bec7d0; }

/* =========================================================================
   Conteúdo editorial genérico (páginas internas longas)
   ========================================================================= */

.copy-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 78px;
  align-items: start;
}

.copy-grid h2 {
  color: var(--navy);
  font-size: clamp(30px, 3.4vw, 48px);
  font-weight: 530;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

/* imagens — bandas e retratos */
.media-band {
  margin: 0;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}

.media-band img {
  display: block;
  width: 100%;
  height: clamp(260px, 34vw, 440px);
  object-fit: cover;
}

.team-photo {
  display: block;
  width: 104px;
  height: 104px;
  margin-bottom: 14px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--navy);
}

.prose p { color: var(--slate); font-size: 17px; }

.prose p + p { margin-top: 16px; }

.prose > * + h3 { margin-top: 26px; }

.prose h3 { color: var(--navy); font-size: 19px; }

.prose h3 + p { margin-top: 8px; }

/* Listas em linhas (substituem bullets/cards por estrutura de tabela fina) */
.list-lines { border-top: 1px solid var(--line); margin-top: 6px; }

.list-lines li {
  display: block;
  border-bottom: 1px solid var(--line);
  padding: 13px 0 13px 22px;
  position: relative;
  color: var(--slate);
  font-size: 15px;
  list-style: none;
}

.list-lines { padding: 0; }

.list-lines li::before {
  position: absolute;
  left: 0;
  color: var(--gold);
  content: "\2014";
}

.navy .list-lines { border-top-color: rgba(255,255,255,0.18); }
.navy .list-lines li { border-bottom-color: rgba(255,255,255,0.14); color: #c2cbd4; }

/* Lista numerada de perguntas/decisões */
.qa-list { counter-reset: qa; border-top: 2px solid var(--navy); }

.qa-list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
  list-style: none;
  color: var(--ink);
  font-size: 17px;
}

.qa-list li::before {
  counter-increment: qa;
  content: counter(qa, decimal-leading-zero);
  color: var(--gold);
  font-family: var(--mono);
  font-size: 13px;
  padding-top: 4px;
}

/* =========================================================================
   Equipe (sem foto — pendente)
   ========================================================================= */

.team-list { border-top: 2px solid var(--navy); }

.team-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 30px;
  border-bottom: 1px solid var(--line);
  padding: 30px 0;
}

.team-row .role { color: var(--gold); font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }

.team-row h3 { margin: 8px 0 0; color: var(--navy); font-size: 24px; }

.team-row p { color: var(--slate); }

.team-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.team-link::before { content: "\2197"; margin-right: 6px; color: var(--gold); }

.team-link:hover { color: var(--gold); }

/* =========================================================================
   Princípios (Valores)
   ========================================================================= */

.principle-list { border-top: 2px solid var(--navy); }

.principle-row {
  display: grid;
  grid-template-columns: 120px 0.9fr 1.1fr;
  gap: 30px;
  border-bottom: 1px solid var(--line);
  padding: 30px 0;
  align-items: start;
}

.principle-row h3 { color: var(--navy); font-size: 22px; }

.principle-row p { color: var(--slate); }

.principle-row .stage-code { padding-top: 6px; }

/* =========================================================================
   Formulários
   ========================================================================= */

.form-shell {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 70px;
  align-items: start;
}

.form { border-top: 2px solid var(--navy); }

.fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.fieldset > legend,
.field > label,
.field-legend {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 650;
}

.field { padding: 20px 0; border-bottom: 1px solid var(--line); }

.field:last-child { border-bottom: 0; }

.field .hint { display: block; margin-bottom: 8px; color: var(--muted); font-size: 13px; }

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  padding: 12px 14px;
  background: white;
  color: var(--ink);
  font-size: 15px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--navy);
  outline: none;
}

.field textarea { min-height: 120px; resize: vertical; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.req { color: var(--gold); }

.radio-set { display: grid; gap: 10px; }

.radio-option {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1px solid var(--line);
  padding: 14px 16px;
  cursor: pointer;
}

.radio-option:hover { border-color: var(--navy); }

.radio-option input { width: auto; margin-top: 3px; }

.radio-option span { color: var(--slate); font-size: 15px; }

.branch[hidden] { display: none; }

.branch { padding-top: 6px; }

.form-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-top: 22px;
  flex-wrap: wrap;
}

.form-status {
  margin: 0;
  color: var(--slate);
  font-size: 14px;
}

.form-status[data-state="error"] { color: var(--danger); }
.form-status[data-state="notice"] { color: var(--navy); }
.form-status[data-state="success"] { color: var(--positive); }
.form-status a { color: var(--navy); font-weight: 650; }

/* honeypot anti-spam (fora da tela) */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.privacy-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

/* Aside de canais diretos */
.channel-list { border-top: 2px solid var(--navy); }

.channel-row {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}

.channel-row .label { color: var(--gold); font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }

.channel-row a {
  display: inline-block;
  margin-top: 6px;
  color: var(--navy);
  font-size: 18px;
  text-decoration: none;
  font-weight: 600;
}

.channel-row a:hover { color: var(--gold); }

/* =========================================================================
   Banda de CTA e rodapé
   ========================================================================= */

.cta-band { padding: 78px 0; background: #dfe4e8; }

.cta-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
}

.cta-grid h2 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: clamp(32px, 4vw, 54px);
  font-weight: 540;
  letter-spacing: -0.04em;
}

.cta-grid p { max-width: 760px; color: var(--slate); }

.site-footer { padding: 64px 0 30px; background: var(--navy-deep); color: white; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 46px;
}

.footer-logo { width: 180px; filter: brightness(0) invert(1); }

.footer-brand p { margin-top: 18px; color: #b9c3cd; font-size: 13px; max-width: 280px; }

.footer-grid h3 {
  margin: 0 0 18px;
  color: var(--gold-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-grid a {
  display: block;
  margin: 0 0 9px;
  color: #b9c3cd;
  font-size: 13px;
  text-decoration: none;
}

.footer-grid a:hover { color: white; }

.footer-bottom {
  margin-top: 54px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 22px;
  color: #7f8c99;
  font-size: 12px;
}

/* =========================================================================
   Revelação discreta
   ========================================================================= */

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* =========================================================================
   Responsivo
   ========================================================================= */

@media (max-width: 980px) {
  .container { width: min(calc(100% - 34px), var(--max)); }

  .header-row { min-height: 68px; grid-template-columns: 1fr auto; }

  .brand img { width: 154px; }

  .desktop-nav,
  .header-cta { display: none; }

  .mobile-toggle {
    display: grid;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    place-items: center;
    background: white;
    cursor: pointer;
  }

  .mobile-toggle span,
  .mobile-toggle::before,
  .mobile-toggle::after {
    display: block;
    width: 20px;
    height: 1px;
    background: var(--navy);
    content: "";
  }

  .mobile-toggle span { margin: 5px 0; }

  .mobile-panel {
    position: fixed;
    z-index: 49;
    inset: 69px 0 0;
    display: block;
    overflow-y: auto;
    background: white;
  }

  .mobile-panel[hidden] { display: none; }

  .mobile-inner {
    width: min(calc(100% - 34px), 680px);
    margin: 0 auto;
    padding: 24px 0 40px;
  }

  .mobile-group {
    width: 100%;
    border: 0;
    border-bottom: 1px solid var(--line);
    padding: 18px 0;
    background: transparent;
    color: var(--navy);
    text-align: left;
    font-size: 20px;
    font-weight: 650;
    cursor: pointer;
  }

  .mobile-submenu { border-bottom: 1px solid var(--line); padding: 10px 0 22px; }

  .mobile-submenu[hidden] { display: none; }

  .mobile-submenu h3 {
    margin: 18px 0 8px;
    color: var(--gold);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .mobile-submenu a { display: block; padding: 8px 0; color: var(--slate); text-decoration: none; }

  .mobile-cta { width: 100%; margin-top: 24px; }

  .hero-grid,
  .page-hero-grid,
  .program-grid,
  .instrument-grid,
  .copy-grid,
  .two-col,
  .form-shell { grid-template-columns: 1fr; }

  .hero-grid { min-height: 0; gap: 0; }

  .hero-copy { padding: 72px 0 42px; }

  .hero-ledger { margin-bottom: 62px; }

  .page-hero-grid { gap: 48px; }

  .metric-ledger { margin-top: 8px; }

  .copy-grid { gap: 34px; }

  .form-shell { gap: 46px; }

  .section { padding: 76px 0; }

  .section-head { grid-template-columns: 72px 1fr; }

  .section-head > p { grid-column: 2; }

  .evidence-grid,
  .responsibility { grid-template-columns: 1fr; }

  .evidence-item + .evidence-item,
  .responsibility article + article { border-left: 0; padding-left: 0; }

  .decision-row { grid-template-columns: 100px 1fr; }

  .decision-row .text-link { grid-column: 2; }

  .service-row { grid-template-columns: 80px 1fr; }

  .service-row p { grid-column: 2; }

  .team-row,
  .principle-row { grid-template-columns: 1fr; gap: 10px; }

  .cta-grid,
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .hero h1,
  .page-hero h1 { font-size: 44px; }

  .hero-lead,
  .page-hero p { font-size: 16px; }

  .hero-actions,
  .cta-grid .hero-actions,
  .form-actions { display: grid; }

  .button { width: 100%; }

  .section-head { display: block; }

  .section-index { display: block; margin-bottom: 14px; }

  .decision-row,
  .service-row,
  .mechanics-row { grid-template-columns: 1fr; gap: 9px; }

  .decision-row .text-link,
  .service-row p { grid-column: 1; }

  .step-row,
  .instrument-row,
  .qa-list li { grid-template-columns: 56px 1fr; }

  .metric-row { grid-template-columns: 100px 1fr; }

  .field-row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  [data-reveal] { opacity: 1; transform: none; transition: none; }

  .site-header { backdrop-filter: none; }
}