/* ==========================================================================
   Instituto Mensora — folha de estilo
   Paleta extraída do próprio símbolo da marca.
   ========================================================================== */

:root {
  /* Marca */
  --ink:          #121D30;
  --navy:         #2C4A72;
  --navy-deep:    #1E3454;
  --blue:         #446197;
  --blue-light:   #5C7DB7;
  --teal:         #51A290;
  --teal-deep:    #3F777B;
  --teal-light:   #74BEAA;

  /* Neutros */
  --white:        #FFFFFF;
  --paper:        #FBFCFD;
  --mist:         #F2F5F8;
  --line:         #E2E8F0;
  --slate:        #5A6B84;
  --slate-dark:   #3C4C64;

  /* Semânticos */
  --bronze:       #A97142;
  --silver:       #8A97A8;
  --gold:         #C8972E;
  --diamond:      #4C86B8;

  /* Tipografia */
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Escala modular 1.25 */
  --t-xs:   0.8125rem;
  --t-sm:   0.9375rem;
  --t-base: 1.0625rem;
  --t-md:   1.1875rem;
  --t-lg:   1.4375rem;
  --t-xl:   1.875rem;
  --t-2xl:  2.375rem;
  --t-3xl:  3rem;
  --t-4xl:  3.75rem;

  /* Espaçamento base 8px */
  --s-1: 0.5rem;  --s-2: 1rem;    --s-3: 1.5rem;  --s-4: 2rem;
  --s-5: 3rem;    --s-6: 4rem;    --s-7: 6rem;    --s-8: 8rem;

  --radius:    14px;
  --radius-lg: 22px;
  --radius-sm: 8px;

  --shadow-sm: 0 1px 2px rgba(18,29,48,.05), 0 2px 8px rgba(18,29,48,.04);
  --shadow:    0 4px 12px rgba(18,29,48,.06), 0 12px 32px rgba(18,29,48,.07);
  --shadow-lg: 0 8px 24px rgba(18,29,48,.08), 0 24px 56px rgba(18,29,48,.10);

  --wrap: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
}
body {
  font-family: var(--font-body);
  font-size: var(--t-base);
  line-height: 1.65;
  color: var(--slate-dark);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 600;
  text-wrap: balance;
}
h1 { font-size: clamp(2.125rem, 4.2vw, 3.125rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.75rem, 3.8vw, var(--t-2xl)); }
h3 { font-size: var(--t-lg); }
h4 { font-size: var(--t-md); }
p  { text-wrap: pretty; }

a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--teal-deep); }

:focus-visible {
  outline: 3px solid var(--blue-light);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Utilitários ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--s-3); }
.section { padding-block: clamp(var(--s-6), 9vw, var(--s-8)); }
.section--tight { padding-block: clamp(var(--s-5), 6vw, var(--s-6)); }
.section--mist { background: var(--mist); }
.section--paper { background: var(--paper); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-display);
  font-size: var(--t-xs); font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--teal-deep);
  margin-bottom: var(--s-2);
}
.eyebrow::before {
  content: ''; width: 24px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--navy), var(--teal));
}

.lede { font-size: var(--t-md); color: var(--slate); max-width: 62ch; }
.section-head { max-width: 46rem; margin-bottom: var(--s-5); }
.section-head h2 { margin-bottom: var(--s-2); }
.center { text-align: center; margin-inline: auto; }
.center .eyebrow { justify-content: center; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: #fff; padding: .75rem 1.25rem; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 600; font-size: var(--t-sm);
  padding: .875rem 1.6rem; border-radius: 100px; border: 1.5px solid transparent;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--navy); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--navy-deep); color: #fff; box-shadow: var(--shadow); }

.btn--accent { background: var(--teal-deep); color: #fff; box-shadow: var(--shadow-sm); }
.btn--accent:hover { background: var(--teal); color: #fff; box-shadow: var(--shadow); }

.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: var(--white); border-color: var(--navy); color: var(--navy); }

.btn--light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.35); }
.btn--light:hover { background: #fff; color: var(--navy); }

.btn--lg { padding: 1.0625rem 2.1rem; font-size: var(--t-base); }
.btn .arr { transition: transform .2s var(--ease); }
.btn:hover .arr { transform: translateX(3px); }

/* ---------- Cabeçalho ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--line); box-shadow: 0 2px 16px rgba(18,29,48,.05); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); min-height: 76px; }
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand img { height: 38px; width: auto; }

.nav-links { display: flex; align-items: center; gap: .1rem; list-style: none; padding: 0; }
.nav-links a {
  display: block; padding: .5rem .7rem; border-radius: var(--radius-sm);
  font-size: var(--t-sm); font-weight: 500; color: var(--slate-dark); text-decoration: none;
  white-space: nowrap;
  transition: background-color .18s var(--ease), color .18s var(--ease);
}
.nav-links a:hover { background: var(--mist); color: var(--ink); }
.nav-links a.is-active { color: var(--navy); background: var(--mist); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: var(--s-1); flex-shrink: 0; }
.nav-li-cta { display: none; }

.nav-toggle {
  display: none; width: 44px; height: 44px; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line); border-radius: var(--radius-sm); cursor: pointer;
}
.nav-toggle span { position: relative; width: 19px; height: 1.5px; background: var(--ink); border-radius: 2px; transition: background-color .2s; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ''; position: absolute; left: 0; width: 19px; height: 1.5px; background: var(--ink); border-radius: 2px;
  transition: transform .25s var(--ease), top .25s var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { top: 0; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--white); padding-block: clamp(var(--s-5), 7vw, var(--s-7)) clamp(var(--s-6), 8vw, var(--s-7)); }
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(60rem 32rem at 82% -12%, rgba(81,162,144,.16), transparent 62%),
    radial-gradient(52rem 30rem at 6% 8%,  rgba(44,74,114,.13),  transparent 60%);
}
.hero .wrap { position: relative; z-index: 1; }
.hero-grid > * { min-width: 0; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(var(--s-4), 5vw, var(--s-7)); align-items: center; }
.hero h1 { margin-bottom: var(--s-3); }
.hero h1 .accent {
  background: linear-gradient(100deg, var(--navy) 10%, var(--teal-deep) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lede { font-size: var(--t-md); color: var(--slate); margin-bottom: var(--s-4); max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-1); margin-bottom: var(--s-4); }
.hero-note { font-size: var(--t-sm); color: var(--slate); display: flex; align-items: center; gap: .5rem; }
.hero-note svg { flex-shrink: 0; color: var(--teal-deep); }

.hero-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--s-4); box-shadow: var(--shadow-lg);
}
.hero-card h2 { font-size: var(--t-md); margin-bottom: var(--s-1); }
.hero-card > p { font-size: var(--t-sm); color: var(--slate); margin-bottom: var(--s-3); }
.gauge-list { display: grid; gap: var(--s-2); list-style: none; padding: 0; margin-bottom: var(--s-3); }
.gauge { display: grid; gap: .4rem; }
.gauge-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: .2rem var(--s-2); }
.gauge-name { font-size: var(--t-sm); font-weight: 500; color: var(--slate-dark); min-width: 0; }
.gauge-val  { font-family: var(--font-display); font-size: var(--t-xs); font-weight: 600; color: var(--slate); }
.gauge-track { height: 7px; background: var(--mist); border-radius: 100px; overflow: hidden; }
.gauge-fill {
  height: 100%; border-radius: 100px; width: 0;
  background: linear-gradient(90deg, var(--navy), var(--teal));
  transition: width 1.1s var(--ease);
}
.gauge-fill[data-tone="warn"] { background: linear-gradient(90deg, #C98A2E, #E0B059); }
.gauge-fill[data-tone="low"]  { background: linear-gradient(90deg, #B8623E, #D4875E); }
.hero-card footer { border-top: 1px solid var(--line); padding-top: var(--s-2); font-size: var(--t-xs); color: var(--slate); }

/* ---------- Faixa normativa ---------- */
.lawbar { background: var(--ink); color: rgba(255,255,255,.82); padding-block: var(--s-4); }
.lawbar-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }
.lawbar-item { display: grid; gap: .3rem; padding-left: var(--s-2); border-left: 2px solid rgba(116,190,170,.5); }
.lawbar-item dt { font-family: var(--font-display); font-weight: 600; font-size: var(--t-sm); color: #fff; }
.lawbar-item dd { margin: 0; font-size: var(--t-xs); line-height: 1.55; color: rgba(255,255,255,.72); }

/* ---------- Grades de cartões ---------- */
.grid { display: grid; gap: var(--s-3); }
.grid > * { min-width: 0; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: var(--s-3); transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #CBD6E3; }
.card h3 { font-size: var(--t-md); margin-bottom: .5rem; }
.card p { font-size: var(--t-sm); color: var(--slate); }

.card-icon {
  width: 46px; height: 46px; border-radius: 12px; margin-bottom: var(--s-2);
  display: grid; place-items: center; color: var(--navy);
  background: linear-gradient(145deg, rgba(44,74,114,.10), rgba(81,162,144,.14));
}

/* ---------- Método IRPA ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }
.step { position: relative; padding-top: var(--s-3); border-top: 2px solid var(--line); transition: border-color .25s var(--ease); }
.step:hover { border-top-color: var(--teal); }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: -17px; left: 0;
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-display); font-size: var(--t-xs); font-weight: 700;
  background: var(--white); border: 2px solid var(--line); color: var(--slate);
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.step:hover::before { border-color: var(--teal); color: var(--teal-deep); }
.step .letter {
  font-family: var(--font-display); font-size: var(--t-xl); font-weight: 700;
  color: var(--navy); line-height: 1; margin-bottom: .35rem;
}
.step h3 { font-size: var(--t-base); margin-bottom: .4rem; }
.step p { font-size: var(--t-sm); color: var(--slate); }

/* ---------- Selo / níveis ---------- */
.tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-2); }
.tier {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: var(--s-3); display: flex; flex-direction: column; gap: .75rem;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.tier:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.tier-badge {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; font-size: var(--t-sm); color: #fff;
}
.tier[data-tier="bronze"]  .tier-badge { background: var(--bronze); }
.tier[data-tier="prata"]   .tier-badge { background: var(--silver); }
.tier[data-tier="ouro"]    .tier-badge { background: var(--gold); }
.tier[data-tier="diamante"].tier-badge,
.tier[data-tier="diamante"] .tier-badge { background: var(--diamond); }
.tier h3 { font-size: var(--t-md); }
.tier p { font-size: var(--t-sm); color: var(--slate); flex-grow: 1; }
.tier-label {
  font-size: var(--t-xs); font-weight: 600; font-family: var(--font-display);
  padding: .3rem .7rem; border-radius: 100px; align-self: flex-start;
  background: var(--mist); color: var(--slate-dark); line-height: 1.4;
}
.tier[data-tier="ouro"] .tier-label,
.tier[data-tier="diamante"] .tier-label { background: rgba(81,162,144,.14); color: var(--teal-deep); }

/* ---------- Imparcialidade ---------- */
.impartial { background: var(--ink); color: rgba(255,255,255,.80); }
.impartial h2, .impartial h3 { color: #fff; }
.impartial .eyebrow { color: var(--teal-light); }
.impartial .eyebrow::before { background: linear-gradient(90deg, var(--teal-light), transparent); }
.impartial .lede { color: rgba(255,255,255,.76); }
.impartial-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-3); }
.rule {
  display: grid; grid-template-columns: auto 1fr; gap: var(--s-2); align-items: start;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius); padding: var(--s-3);
}
.rule-mark { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: rgba(116,190,170,.18); color: var(--teal-light); }
.rule h3 { font-size: var(--t-base); margin-bottom: .3rem; }
.rule p { font-size: var(--t-sm); color: rgba(255,255,255,.70); }
.disclosure {
  margin-top: var(--s-4); padding: var(--s-3);
  border-left: 3px solid var(--teal-light); background: rgba(116,190,170,.08);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.disclosure p { font-size: var(--t-sm); color: rgba(255,255,255,.85); }
.disclosure strong { color: #fff; }

/* ---------- Diagnóstico ---------- */
.diag-grid > * { min-width: 0; }
.diag-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(var(--s-4), 5vw, var(--s-6)); align-items: center; }
.dims { list-style: none; padding: 0; display: grid; gap: .6rem; counter-reset: dim; }
.dims li {
  display: grid; grid-template-columns: auto 1fr; gap: var(--s-2); align-items: center;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: .9rem var(--s-2); font-size: var(--t-sm);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.dims li:hover { border-color: var(--teal); transform: translateX(4px); }
.dims li::before {
  counter-increment: dim; content: counter(dim);
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: var(--mist); color: var(--navy);
  font-family: var(--font-display); font-size: var(--t-xs); font-weight: 700;
}
.dims strong { color: var(--ink); font-weight: 600; }

/* ---------- Equipe ---------- */
.people { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }
.person { text-align: left; }
.person-avatar {
  width: 104px; height: 104px; border-radius: 50%; margin-bottom: var(--s-3);
  object-fit: cover; object-position: center top;
  background: var(--mist);
  box-shadow: 0 0 0 1px var(--line), 0 6px 18px rgba(18,29,48,.10);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.person:hover .person-avatar {
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px rgba(81,162,144,.55), 0 10px 26px rgba(18,29,48,.16);
}
.person h3 { font-size: var(--t-base); margin-bottom: .15rem; }
.person .role { font-size: var(--t-xs); font-weight: 600; color: var(--teal-deep); text-transform: uppercase; letter-spacing: .08em; margin-bottom: .5rem; }
.person p { font-size: var(--t-sm); color: var(--slate); }

/* ---------- FAQ ---------- */
.faq { max-width: 52rem; margin-inline: auto; display: grid; gap: .6rem; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); overflow: hidden; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--s-2);
  padding: var(--s-3); background: none; border: 0; cursor: pointer; text-align: left;
  font-family: var(--font-display); font-weight: 600; font-size: var(--t-base); color: var(--ink);
}
.faq-q:hover { color: var(--navy); }
.faq-icon { flex-shrink: 0; width: 22px; height: 22px; position: relative; }
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute; top: 50%; left: 50%; background: var(--navy); border-radius: 2px;
  transform: translate(-50%,-50%); transition: transform .28s var(--ease), opacity .28s var(--ease);
}
.faq-icon::before { width: 13px; height: 2px; }
.faq-icon::after  { width: 2px; height: 13px; }
.faq-q[aria-expanded="true"] .faq-icon::after { transform: translate(-50%,-50%) rotate(90deg); opacity: 0; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s var(--ease); }
.faq-a > div { overflow: hidden; }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }
.faq-a p { padding: 0 var(--s-3) var(--s-3); font-size: var(--t-sm); color: var(--slate); max-width: 62ch; }

/* ---------- CTA final ---------- */
.cta-final { position: relative; overflow: hidden; background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 45%, var(--teal-deep) 100%); color: #fff; }
.cta-final::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(40rem 20rem at 85% 110%, rgba(116,190,170,.28), transparent 65%);
  pointer-events: none;
}
.cta-final .wrap { position: relative; z-index: 1; text-align: center; }
.cta-final h2 { color: #fff; margin-bottom: var(--s-2); }
.cta-final p { color: rgba(255,255,255,.84); max-width: 46rem; margin: 0 auto var(--s-4); font-size: var(--t-md); }
.cta-actions { display: flex; flex-wrap: wrap; gap: var(--s-1); justify-content: center; }

/* ---------- Rodapé ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.62); padding-block: var(--s-6) var(--s-4); font-size: var(--t-sm); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--s-4); margin-bottom: var(--s-5); }
.footer-brand img { height: 46px; width: auto; margin-bottom: var(--s-2); }
.footer-brand p { font-size: var(--t-sm); color: rgba(255,255,255,.58); max-width: 30ch; }
.site-footer h3 { color: #fff; font-size: var(--t-sm); margin-bottom: var(--s-2); letter-spacing: 0; }
.site-footer ul { list-style: none; padding: 0; display: grid; gap: .55rem; }
.site-footer a { color: rgba(255,255,255,.62); text-decoration: none; transition: color .18s var(--ease); }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.10); padding-top: var(--s-3);
  display: flex; flex-wrap: wrap; gap: var(--s-2); justify-content: space-between; align-items: center;
  font-size: var(--t-xs); color: rgba(255,255,255,.45);
}

/* ---------- Revelação no scroll ---------- */
/* Só esconde se o JS estiver vivo: sem script, o conteúdo aparece normalmente. */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; } }

/* ==========================================================================
   Responsivo
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { max-width: 32rem; }
  .lawbar-grid { grid-template-columns: repeat(2, 1fr); }
  .grid--4, .steps, .tiers, .people { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s-4); }
}

@media (max-width: 1080px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: .15rem;
    background: var(--white); border-bottom: 1px solid var(--line);
    padding: var(--s-2) var(--s-3) var(--s-3);
    box-shadow: var(--shadow); max-height: 0; overflow: hidden; visibility: hidden;
    transition: max-height .32s var(--ease), padding .32s var(--ease), visibility .32s;
  }
  .nav-links.is-open { max-height: 70vh; visibility: visible; overflow-y: auto; }
  .nav-links a { padding: .8rem .75rem; font-size: var(--t-base); }
  .nav-cta .btn--ghost { display: none; }
  .nav-li-cta { display: block; margin-top: .4rem; }
  .nav-li-cta .btn { width: 100%; }
  .diag-grid { grid-template-columns: 1fr; }
  .impartial-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .nav-cta .btn--primary { display: none; }
}

@media (max-width: 640px) {
  :root { --t-base: 1rem; --t-md: 1.0625rem; }
  .grid--2, .grid--3, .grid--4, .steps, .tiers, .people { grid-template-columns: 1fr; }
  .lawbar-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--s-3); }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .brand img { height: 32px; }
}

@media print {
  .site-header, .nav-toggle, .cta-final, .hero-actions { display: none; }
  body { color: #000; }
  .lawbar, .impartial, .site-footer { background: #fff; color: #000; }
}