/* =============================================================
   Laboratorio Abido · Santiago del Estero
   Hoja de estilos principal
   Paleta clínica: azul #0077B6, azul profundo #023E8A, menta #06D6A0
   ============================================================= */

/* ---------- Variables ---------- */
:root {
  --c-blue: #0077B6;
  --c-blue-d: #023E8A;
  --c-blue-dd: #012A5E;
  --c-mint: #06D6A0;
  --c-mint-light: #E8FAF4;
  --c-mint-bg: #F0FBF7;
  --c-bg: #F5F8FA;
  --c-bg-alt: #EAF2F8;
  --c-white: #FFFFFF;
  --c-text: #16273A;
  --c-text-soft: #4A5A6A;
  --c-border: #DDE7EF;
  --c-cross: #D62828;
  --c-wa: #128C7E;
  --c-wa-d: #0E6B5F;

  --ff: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 4px 16px rgba(2, 62, 138, 0.08);
  --shadow-lg: 0 10px 30px rgba(2, 62, 138, 0.14);

  --maxw: 1200px;
  --space-section: clamp(2.75rem, 6vw, 5rem);

  --focus: 3px solid var(--c-blue);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}
body {
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--c-blue-d); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; padding: 0; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
input, select, textarea, button { font: inherit; color: inherit; }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; color: var(--c-blue-dd); }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.35rem); }
h4 { font-size: 1.05rem; }

p { color: var(--c-text); }

:focus-visible { outline: var(--focus); outline-offset: 2px; border-radius: 4px; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.section { padding-block: var(--space-section); }
.section--mint { background: var(--c-mint-bg); }
.section--blue { background: linear-gradient(180deg, var(--c-bg-alt) 0%, var(--c-bg) 100%); }
.section--dark { background: var(--c-blue-dd); color: #fff; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: #C8DCEC; }

.eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 0.6rem;
}
.section-head { max-width: 720px; margin-bottom: 2.25rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.lead { font-size: 1.075rem; color: var(--c-text-soft); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 0; top: -100px;
  background: var(--c-blue-dd);
  color: #fff;
  padding: 0.7rem 1.2rem;
  z-index: 2000;
  font-weight: 600;
  border-radius: 0 0 8px 0;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.2;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background-color 0.2s, color 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--c-blue-d); color: #fff; }
.btn--primary:hover { background: var(--c-blue-dd); }
.btn--secondary { background: #fff; color: var(--c-blue-dd); border-color: var(--c-border); }
.btn--secondary:hover { background: var(--c-bg-alt); border-color: var(--c-blue); }
.btn--mint { background: var(--c-mint); color: var(--c-blue-dd); font-weight: 700; }
.btn--mint:hover { background: #04B886; }
.btn--whatsapp { background: var(--c-wa); color: #fff; }
.btn--whatsapp:hover { background: var(--c-wa-d); }
.btn--ghost-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,0.45); }
.btn--ghost-dark:hover { background: rgba(255,255,255,0.1); }
.btn--lg { padding: 1rem 1.8rem; font-size: 1.075rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow 0.25s;
}
.site-header.header--scrolled { box-shadow: var(--shadow); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand img { height: 44px; width: auto; }

.nav-main { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 0.25rem; }
.nav-list a {
  display: inline-block;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  color: var(--c-text);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-list a:hover { background: var(--c-bg-alt); color: var(--c-blue-d); text-decoration: none; }
.nav-list a[aria-current="page"] { color: var(--c-blue-d); font-weight: 600; }

.nav-cta { margin-left: 0.75rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 10px;
  align-items: center; justify-content: center;
  position: relative;
  z-index: 1100;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 22px; height: 2.5px;
  background: var(--c-blue-dd);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
}
.nav-toggle span::before { position: absolute; transform: translateY(-7px); }
.nav-toggle span::after  { position: absolute; transform: translateY(7px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(circle at 85% 20%, rgba(6,214,160,0.10), transparent 50%),
    linear-gradient(180deg, #fff 0%, var(--c-bg-alt) 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle, rgba(0,119,182,0.06) 1.5px, transparent 1.6px);
  background-size: 28px 28px;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  gap: 2rem;
  align-items: center;
  padding-block: clamp(2.5rem, 6vw, 4rem);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--c-mint);
  color: var(--c-blue-dd);
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.875rem;
}
.hero-badge svg { width: 18px; height: 18px; }
.hero h1 { margin-block: 1rem 0.75rem; }
.hero-sub { font-size: 1.15rem; color: var(--c-text-soft); max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem; }
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 1.5rem 2rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-border);
}
.hero-stat strong { display: block; font-size: 1.5rem; color: var(--c-blue-d); font-weight: 800; }
.hero-stat span { font-size: 0.9rem; color: var(--c-text-soft); }

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}
.hero-visual img {
  width: 100%;
  max-width: 460px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.hero-card {
  position: absolute;
  bottom: -16px; left: -16px;
  background: #fff;
  border-radius: var(--radius);
  padding: 0.85rem 1.15rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-blue-dd);
}
.hero-card svg { width: 28px; height: 28px; flex: 0 0 auto; }
.hero-card strong { display: block; font-size: 1.1rem; }

/* ---------- Bento / exam grid ---------- */
.bento {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
.bento .card-large { grid-column: span 1; }
.bento .card-feature {
  background: linear-gradient(135deg, var(--c-blue-d) 0%, var(--c-blue-dd) 100%);
  color: #fff;
}
.bento .card-feature h3 { color: #fff; }
.bento .card-feature p { color: #C8DCEC; }
.bento .card-feature .card-icon { background: rgba(255,255,255,0.15); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 1.25rem; }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }

.card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card-icon {
  width: 52px; height: 52px;
  background: var(--c-mint-light);
  border-radius: 12px;
  display: grid; place-items: center;
  margin-bottom: 1rem;
}
.card-icon svg { width: 30px; height: 30px; }
.card h3 { margin-bottom: 0.4rem; }
.card p { color: var(--c-text-soft); }
.card-link {
  display: inline-block;
  margin-top: 0.85rem;
  font-weight: 600;
  color: var(--c-blue-d);
}

/* feature cards (icons inline) */
.feature-list { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.feature {
  display: flex; gap: 1rem; align-items: flex-start;
  background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 1.35rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.feature svg { width: 34px; height: 34px; flex: 0 0 auto; }
.feature h3 { margin-bottom: 0.25rem; }
.feature p { color: var(--c-text-soft); }

/* split */
.split { display: grid; gap: 2rem; align-items: center; }
.split > * { min-width: 0; }
.split img, .split .visual-box { width: 100%; border-radius: var(--radius); }

/* ---------- Prep instructions ---------- */
.prep-list { display: grid; gap: 1rem; }
.prep-item {
  background: #fff;
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-blue);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}
.prep-item h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.prep-item p { color: var(--c-text-soft); font-size: 0.95rem; }
.prep-item .prep-tag {
  display: inline-block;
  background: var(--c-mint-light);
  color: var(--c-blue-dd);
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

/* ---------- Steps ---------- */
.steps { display: grid; gap: 1.5rem; counter-reset: step; }
.step {
  display: flex; gap: 1.15rem; align-items: flex-start;
  position: relative;
}
.step-num {
  flex: 0 0 auto;
  width: 48px; height: 48px;
  background: var(--c-blue-d);
  color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 800; font-size: 1.2rem;
}
.step h3 { margin-bottom: 0.3rem; }
.step p { color: var(--c-text-soft); }

/* ---------- Stats band ---------- */
.stats-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 1.25rem;
  min-width: 0;
}
.stat-box { text-align: center; padding: 1.25rem; }
.stat-box strong { display: block; font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; color: #fff; }
.stat-box span { color: #C8DCEC; font-size: 0.95rem; }

/* ---------- Team ---------- */
.team-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
.team-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.team-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.team-avatar {
  width: 96px; height: 96px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-d) 100%);
  display: grid; place-items: center;
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
}
.team-card h3 { margin-bottom: 0.25rem; }
.team-role { color: var(--c-blue); font-weight: 600; font-size: 0.95rem; margin-bottom: 0.5rem; }
.team-card p { color: var(--c-text-soft); font-size: 0.95rem; }

/* ---------- Testimonials ---------- */
.testimonials { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.testimonial {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.testimonial-stars {
  color: #F59E0B;
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  letter-spacing: 2px;
}
.testimonial p { color: var(--c-text); font-style: italic; margin-bottom: 0.75rem; }
.testimonial cite { font-style: normal; font-weight: 600; color: var(--c-blue-dd); display: block; }
.testimonial cite span { display: block; font-weight: 400; color: var(--c-text-soft); font-size: 0.9rem; }

/* ---------- FAQ accordion ---------- */
.faq { display: grid; gap: 0.75rem; max-width: 820px; }
.faq-item {
  background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--radius); overflow: hidden;
}
.faq-q {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  width: 100%; text-align: left;
  padding: 1.05rem 1.25rem;
  font-weight: 600; color: var(--c-blue-dd);
  font-size: 1.05rem;
}
.faq-q .chev { flex: 0 0 auto; transition: transform 0.2s; color: var(--c-blue); }
.faq-item[open] .faq-q .chev { transform: rotate(180deg); }
.faq-a { padding: 0 1.25rem 1.15rem; color: var(--c-text-soft); }

/* ---------- Map ---------- */
.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--c-border);
}
.map-wrap iframe { display: block; width: 100%; height: 360px; border: 0; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 1.1rem; max-width: 640px; }
.field { display: grid; gap: 0.35rem; }
.field label { font-weight: 600; color: var(--c-blue-dd); font-size: 0.95rem; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--c-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input::placeholder, .field textarea::placeholder { color: #8A9BAA; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c-blue);
  box-shadow: 0 0 0 3px rgba(0,119,182,0.18);
}
.field textarea { resize: vertical; min-height: 130px; }
.field .error-msg {
  color: var(--c-cross); font-size: 0.875rem; font-weight: 500;
  display: none;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: var(--c-cross); }
.field.has-error .error-msg { display: block; }
.form-success {
  display: none;
  background: var(--c-mint-light);
  border: 1px solid var(--c-mint);
  color: var(--c-blue-dd);
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.form-success.is-visible { display: block; }

/* ---------- Contact info ---------- */
.contact-list { display: grid; gap: 0.9rem; }
.contact-list li { display: flex; gap: 0.75rem; align-items: flex-start; }
.contact-list strong { color: var(--c-blue-dd); }

/* ---------- Hours table ---------- */
.hours-table { width: 100%; border-collapse: collapse; }
.hours-table th, .hours-table td {
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--c-border);
  font-size: 0.95rem;
}
.hours-table th { color: var(--c-blue-dd); font-weight: 600; }
.hours-table td { color: var(--c-text-soft); }
.hours-table tr:last-child td { border-bottom: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-d) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: clamp(2rem, 5vw, 3rem);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #C8DCEC; max-width: 560px; margin-inline: auto; }
.cta-band .btn { margin-top: 1.25rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-blue-dd);
  color: #C8DCEC;
  padding-block: clamp(2.5rem, 5vw, 3.5rem) 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.site-footer h2, .site-footer h4 { color: #fff; margin-bottom: 0.75rem; font-size: 1rem; letter-spacing: 0; }
.site-footer a { color: #C8DCEC; }
.site-footer a:hover { color: #fff; }
.footer-links { display: grid; gap: 0.5rem; }
.footer-contact { display: grid; gap: 0.6rem; font-size: 0.95rem; }
.footer-contact li { display: flex; gap: 0.5rem; align-items: flex-start; }
.footer-brand img { height: 44px; margin-bottom: 0.75rem; filter: brightness(0) invert(1); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1.25rem;
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem;
  justify-content: space-between;
  font-size: 0.875rem;
  color: #8FA9C2;
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  right: 16px; bottom: 16px;
  z-index: 1500;
  width: 58px; height: 58px;
  background: var(--c-wa);
  color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  transition: transform 0.2s, background 0.2s;
}
.whatsapp-float:hover { background: var(--c-wa-d); transform: scale(1.06); text-decoration: none; }
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Page hero (interior) ---------- */
.page-hero {
  background: linear-gradient(180deg, var(--c-bg-alt) 0%, #fff 100%);
  border-bottom: 1px solid var(--c-border);
  padding-block: clamp(2rem, 5vw, 3.25rem);
}
.breadcrumb { font-size: 0.9rem; color: var(--c-text-soft); margin-bottom: 0.6rem; }
.breadcrumb a { color: var(--c-blue-d); }

/* ---------- Exam list ---------- */
.exam-section { margin-bottom: 2.5rem; }
.exam-section h2 { margin-bottom: 1rem; }
.exam-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.exam-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.exam-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.exam-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.exam-card p { color: var(--c-text-soft); font-size: 0.95rem; margin-bottom: 0.6rem; }
.exam-card .exam-prep {
  display: flex; gap: 0.5rem; align-items: flex-start;
  font-size: 0.875rem;
  color: var(--c-blue-d);
  background: var(--c-mint-light);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
}
.exam-card .exam-prep strong { color: var(--c-blue-dd); }

/* ---------- Media queries ---------- */
@media (min-width: 480px) {
  .btn { padding: 0.9rem 1.7rem; }
}

@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .feature-list { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1.05fr 0.95fr; gap: 3rem; }
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: repeat(2, 1fr); }
  .exam-grid { grid-template-columns: repeat(2, 1fr); }
  .bento { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .feature-list { grid-template-columns: repeat(3, 1fr); }
  .bento { grid-template-columns: repeat(4, 1fr); }
  .bento .card-large { grid-column: span 2; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: repeat(3, 1fr); }
  .exam-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 1.5rem 2.5rem; }
}

/* ---------- Mobile nav ---------- */
@media (max-width: 899px) {
  .nav-toggle { display: inline-flex; }
  .nav-main {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(82vw, 340px);
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 84px 1.25rem 2rem;
    box-shadow: -10px 0 30px rgba(2,62,138,0.18);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.28s ease, opacity 0.25s ease, visibility 0.25s ease;
    z-index: 1050;
  }
  .nav-main.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
  }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list a { padding: 0.85rem 0.5rem; border-bottom: 1px solid var(--c-border); border-radius: 0; font-size: 1.05rem; }
  .nav-cta { margin: 1rem 0 0; }
  .nav-cta .btn { width: 100%; }
  .nav-backdrop {
    position: fixed; inset: 0;
    background: rgba(1,42,94,0.45);
    opacity: 0; visibility: hidden;
    transition: opacity 0.25s;
    z-index: 1040;
  }
  .nav-backdrop.is-open { opacity: 1; visibility: visible; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}