:root {
  --color-navy: #0A2540;
  --color-navy-hover: #071A2E;
  --color-teal: #0D9488;
  --color-teal-hover: #0F766E;
  --color-teal-muted: #CCFBF1;
  --color-bg: #FFFFFF;
  --color-bg-subtle: #F5F7FA;
  --color-text: #0A2540;
  --color-text-secondary: #5B6B7C;
  --color-text-muted: #8B98A8;
  --color-border: #E2E8F0;
  --color-border-strong: #CBD5E1;
  --color-on-dark: #FFFFFF;
  --color-on-dark-muted: rgba(255, 255, 255, 0.85);
  --color-error: #B42318;
  --color-error-bg: #FEF3F2;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-en: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --max-w: 1120px;
  --nav-h: 72px;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(10, 37, 64, 0.08);
  --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.06);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
body.lang-en { font-family: var(--font-en); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-teal); text-decoration: none; }
a:hover { color: var(--color-teal-hover); }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.3; color: var(--color-navy); font-weight: 650; }
p { margin: 0 0 1em; color: var(--color-text-secondary); }

.container { width: min(100% - 2.5rem, var(--max-w)); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.site-header.is-solid,
.site-header.page-header {
  background: rgba(10, 37, 64, 0.96);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.site-header.is-transparent { background: transparent; }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h); gap: 1.5rem;
}
.logo-link { display: flex; align-items: center; flex-shrink: 0; }
.logo-link img { height: 36px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-links > a,
.nav-dropdown > summary {
  color: var(--color-on-dark-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  list-style: none;
}
.nav-links > a:hover,
.nav-dropdown > summary:hover,
.nav-links > a.is-active,
.nav-dropdown.is-active > summary {
  color: var(--color-on-dark);
  background: rgba(255,255,255,0.08);
}
.nav-dropdown.is-active > summary {
  box-shadow: inset 0 -2px 0 var(--color-teal);
}
.nav-links > a.is-active {
  box-shadow: inset 0 -2px 0 var(--color-teal);
}
.nav-dropdown { position: relative; }
.nav-dropdown > summary { display: flex; align-items: center; gap: 0.35rem; }
.nav-dropdown > summary::-webkit-details-marker { display: none; }
.nav-dropdown > summary::after {
  content: "";
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.7;
}
.nav-dropdown[open] > summary { color: var(--color-on-dark); background: rgba(255,255,255,0.08); }
.nav-dropdown-panel {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 220px;
  background: #fff; border-radius: 10px; padding: 0.4rem;
  box-shadow: var(--shadow); border: 1px solid var(--color-border);
  z-index: 120;
}
.nav-dropdown-panel a {
  display: block; padding: 0.65rem 0.85rem; border-radius: 8px;
  color: var(--color-text); font-size: 0.9rem;
}
.nav-dropdown-panel a:hover { background: var(--color-bg-subtle); color: var(--color-teal); }
.nav-dropdown-panel a.is-active {
  background: var(--color-teal-muted);
  color: var(--color-navy);
  font-weight: 600;
}
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 0.25rem;
  font-size: 0.8125rem; font-weight: 600;
  color: var(--color-on-dark-muted);
  padding: 0.35rem 0.55rem; border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.2);
}
.lang-switch:hover { color: #fff; border-color: rgba(255,255,255,0.4); }
.lang-switch .sep { opacity: 0.4; margin: 0 0.1rem; }
.lang-switch .current { color: #fff; }
.nav-cta {
  display: inline-flex; align-items: center;
  background: var(--color-teal); color: #fff !important;
  font-size: 0.875rem; font-weight: 600;
  padding: 0.55rem 1rem; border-radius: 8px;
}
.nav-cta:hover { background: var(--color-teal-hover); color: #fff !important; }
.menu-toggle {
  display: none; background: none; border: 0; padding: 0.4rem;
  cursor: pointer; color: #fff;
}
.menu-toggle svg { width: 24px; height: 24px; display: block; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  font-weight: 600; font-size: 0.9375rem; padding: 0.75rem 1.35rem;
  border-radius: 10px; border: 2px solid transparent; cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  text-decoration: none; font-family: inherit;
}
.btn-accent { background: var(--color-teal); color: #fff !important; border-color: var(--color-teal); }
.btn-accent:hover { background: var(--color-teal-hover); border-color: var(--color-teal-hover); color: #fff !important; }
.btn-primary { background: var(--color-navy); color: #fff !important; border-color: var(--color-navy); }
.btn-primary:hover { background: var(--color-navy-hover); border-color: var(--color-navy-hover); color: #fff !important; }
.btn-secondary { background: #fff; color: var(--color-navy) !important; border-color: var(--color-navy); }
.btn-secondary:hover { background: var(--color-bg-subtle); color: var(--color-navy) !important; }
.btn-ghost-light {
  background: transparent; color: #fff !important;
  border-color: rgba(255,255,255,0.45);
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff !important; }
.btn-lg { padding: 0.9rem 1.6rem; font-size: 1rem; }

/* Hero */
.hero {
  position: relative; min-height: min(88vh, 720px);
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 3rem) 0 4rem;
  background: var(--color-navy);
  color: #fff; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center right;
  opacity: 0.55;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(10,37,64,0.95) 0%, rgba(10,37,64,0.78) 42%, rgba(10,37,64,0.35) 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 640px; }
.hero-eyebrow {
  display: inline-block; font-size: 0.8125rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-teal-muted); margin-bottom: 1rem;
}
.hero h1 {
  color: #fff; font-size: clamp(1.85rem, 4vw, 2.75rem);
  margin-bottom: 1rem; font-weight: 700;
}
.hero .lead {
  color: var(--color-on-dark-muted); font-size: 1.125rem;
  margin-bottom: 1.75rem; max-width: 34em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Sections */
.section { padding: 4.5rem 0; }
.section-alt { background: var(--color-bg-subtle); }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 2.75rem; }
.section-header h2 { font-size: clamp(1.5rem, 2.5vw, 1.875rem); margin-bottom: 0.65rem; }
.section-header p { margin: 0; }
.section-tight-bottom { padding-bottom: 3.25rem; }
.section-tight-top { padding-top: 3.25rem; }

/* Cards */
.card-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  align-items: stretch;
}
.card {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-sm); transition: box-shadow 0.2s, border-color 0.2s;
  display: flex; flex-direction: column; height: 100%;
  min-height: 280px;
}
.card:hover { box-shadow: var(--shadow); border-color: #cbd5e1; }
.card-icon {
  width: 56px; height: 56px; margin-bottom: 1.15rem; flex-shrink: 0;
  border-radius: 12px; background: var(--color-teal-muted);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.card-icon img { width: 40px; height: 40px; object-fit: contain; }
.card h3 { font-size: 1.125rem; margin-bottom: 0.5rem; }
.card p {
  font-size: 0.9375rem; flex: 1; margin-bottom: 1.25rem;
  display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-link {
  font-size: 0.875rem; font-weight: 600; color: var(--color-teal);
  display: inline-flex; align-items: center; gap: 0.35rem; margin-top: auto;
}
.card-link::after { content: "→"; }
.card-link:hover { color: var(--color-teal-hover); }

/* Steps */
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
  counter-reset: step;
}
.step {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 1.5rem 1.25rem;
  position: relative; min-height: 150px;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block; font-size: 0.8125rem; font-weight: 700;
  color: var(--color-teal); letter-spacing: 0.04em; margin-bottom: 0.75rem;
}
.step h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.step p { font-size: 0.875rem; margin: 0; }

/* Trust bar */
.trust-bar {
  background: var(--color-navy); color: #fff;
  padding: 2.75rem 0;
  margin: 0;
}
.trust-items {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  text-align: center;
}
.trust-items li {
  padding: 0.5rem 1rem;
  border-right: 1px solid rgba(255,255,255,0.12);
}
.trust-items li:last-child { border-right: 0; }
.trust-items strong {
  display: block; color: #fff; font-size: 1rem; margin-bottom: 0.35rem;
}
.trust-items span { color: var(--color-on-dark-muted); font-size: 0.875rem; }

/* CTA band */
.cta-band {
  padding: 4.5rem 0; text-align: center;
  background: linear-gradient(135deg, #0A2540 0%, #0c3d4a 55%, #0D9488 140%);
  color: #fff;
}
.cta-band h2 { color: #fff; font-size: clamp(1.4rem, 2.5vw, 1.75rem); margin-bottom: 0.75rem; }
.cta-band p { color: var(--color-on-dark-muted); max-width: 36em; margin: 0 auto 1.75rem; }

/* Page hero (inner) */
.page-hero {
  padding: calc(var(--nav-h) + 3rem) 0 3rem;
  background: var(--color-navy); color: #fff;
}
.page-hero h1 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.25rem); margin-bottom: 0.75rem; }
.page-hero .lead { color: var(--color-on-dark-muted); max-width: 42em; margin: 0; font-size: 1.0625rem; }
.breadcrumb {
  font-size: 0.8125rem; color: rgba(255,255,255,0.55); margin-bottom: 1rem;
}
.breadcrumb a { color: rgba(255,255,255,0.75); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 0.4rem; opacity: 0.5; }

/* Service content */
.service-stack { display: flex; flex-direction: column; gap: 1.5rem; max-width: 760px; }
.service-panel {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 1.5rem 1.5rem 1.35rem;
  box-shadow: var(--shadow-sm);
}
.service-panel h2 {
  font-size: 1.05rem; margin: 0 0 0.85rem;
  display: flex; align-items: center; gap: 0.55rem;
}
.service-panel h2 .panel-label {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--color-teal);
  background: var(--color-teal-muted); border-radius: 999px;
  padding: 0.2rem 0.55rem; flex-shrink: 0;
}
.service-panel > p:last-child { margin-bottom: 0; }
.service-panel .checklist { margin-bottom: 0; }
.content-block h2 { font-size: 1.25rem; margin: 2rem 0 0.75rem; }
.content-block h2:first-child { margin-top: 0; }
.content-block ul.checklist,
.service-panel ul.checklist { margin: 0; }
.content-block ul.checklist li,
.service-panel ul.checklist li {
  position: relative; padding: 0.5rem 0 0.5rem 1.6rem;
  color: var(--color-text-secondary); font-size: 0.975rem;
  border-bottom: 1px solid var(--color-border);
}
.content-block ul.checklist li:last-child,
.service-panel ul.checklist li:last-child { border-bottom: 0; }
.content-block ul.checklist li::before,
.service-panel ul.checklist li::before {
  content: ""; position: absolute; left: 0; top: 0.85rem;
  width: 8px; height: 8px; border-radius: 50%; background: var(--color-teal);
}
.note-box {
  background: var(--color-bg-subtle); border-left: 3px solid var(--color-teal);
  padding: 1rem 1.25rem; border-radius: 0 8px 8px 0; margin: 0;
  font-size: 0.9375rem; color: var(--color-text-secondary);
}
.module-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin: 0 0 1.5rem;
}
.module {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 1.35rem; height: 100%;
}
.module h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.module p { font-size: 0.9rem; margin: 0; }

/* About */
.about-layout {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 2.75rem; align-items: start;
}
.about-visual {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--color-border);
  position: sticky; top: calc(var(--nav-h) + 1.25rem);
}
.about-visual img {
  width: 100%; height: auto; object-fit: cover; aspect-ratio: 4/3;
}
.about-copy { max-width: none; }
.about-copy > p { font-size: 1.02rem; }
.about-points { margin: 1.35rem 0 1.5rem; }
.about-points li {
  padding: 0.75rem 0 0.75rem 1.25rem; border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary); font-size: 0.975rem; position: relative;
}
.about-points li::before {
  content: ""; position: absolute; left: 0; top: 1.2rem;
  width: 6px; height: 6px; border-radius: 50%; background: var(--color-teal);
}
.about-points li:last-child { border-bottom: 0; }
.about-copy .note-box { margin-bottom: 1.35rem; }

/* Contact */
.contact-grid {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 2.5rem; align-items: start;
}
.contact-card {
  background: var(--color-bg-subtle); border-radius: var(--radius);
  padding: 1.75rem; border: 1px solid var(--color-border);
}
.contact-card h2 { font-size: 1.15rem; margin-bottom: 1rem; }
.contact-meta { margin: 0; }
.contact-meta dt {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--color-text-muted); margin-top: 1.1rem;
}
.contact-meta dt:first-child { margin-top: 0; }
.contact-meta dd { margin: 0.35rem 0 0; color: var(--color-text); font-size: 0.975rem; }
.tbd-chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  margin-top: 0.25rem;
  font-size: 0.8125rem; font-weight: 500; font-style: normal;
  color: var(--color-navy);
  background: #EEF2F6;
  border: 1px dashed var(--color-border-strong);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
}
.tbd-chip::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-teal); opacity: 0.7;
}
.form-card {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow-sm);
}
.form-card h2 { font-size: 1.15rem; margin-bottom: 0.35rem; }
.form-card .form-hint { font-size: 0.875rem; margin-bottom: 1.25rem; }
.form-row { margin-bottom: 1rem; }
.form-row label {
  display: block; font-size: 0.8125rem; font-weight: 600;
  color: var(--color-text); margin-bottom: 0.35rem;
}
.form-row .req { color: var(--color-teal); margin-left: 0.15rem; }
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%; padding: 0.7rem 0.85rem; font-size: 0.9375rem;
  border: 1px solid var(--color-border-strong); border-radius: 8px;
  font-family: inherit; color: var(--color-text); background: #fff;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none; border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}
.form-row textarea { min-height: 110px; resize: vertical; }
.form-row.has-error input,
.form-row.has-error select,
.form-row.has-error textarea {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.12);
  background: var(--color-error-bg);
}
.field-error {
  display: none; margin-top: 0.35rem;
  font-size: 0.8125rem; color: var(--color-error);
}
.form-row.has-error .field-error { display: block; }
.form-actions { margin-top: 1.25rem; }
.form-note { margin-top: 0.85rem; font-size: 0.8125rem; color: var(--color-text-muted); }
.form-note.is-success {
  color: #0F766E; background: var(--color-teal-muted);
  border-radius: 8px; padding: 0.75rem 0.9rem;
}
.form-note.is-error {
  color: var(--color-error); background: var(--color-error-bg);
  border-radius: 8px; padding: 0.75rem 0.9rem;
}

/* Footer */
.site-footer {
  background: var(--color-navy); color: var(--color-on-dark-muted);
  padding: 3rem 0 1.75rem; font-size: 0.875rem;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem;
  padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 1.5rem;
}
.footer-brand img { height: 32px; width: auto; margin-bottom: 1rem; }
.footer-brand p { color: var(--color-on-dark-muted); font-size: 0.875rem; margin: 0; max-width: 28em; }
.footer-col h3 {
  color: #fff; font-size: 0.8125rem; font-weight: 700;
  letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 1rem;
}
.footer-col a {
  display: block; color: var(--color-on-dark-muted); padding: 0.3rem 0;
}
.footer-col a:hover { color: #fff; }
.footer-col a.is-active { color: #fff; font-weight: 600; }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem;
  align-items: center;
}
.footer-bottom p { margin: 0; font-size: 0.8125rem; color: rgba(255,255,255,0.55); }
.disclaimer {
  font-size: 0.75rem; color: rgba(255,255,255,0.45); max-width: 52em; margin-top: 1rem;
}

/* Query / portals */
.portal-badge-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.65rem;
  margin: 0 0 1.75rem;
}
.portal-badge {
  display: inline-flex; align-items: center;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--color-teal);
  background: var(--color-teal-muted); border-radius: 999px;
  padding: 0.28rem 0.7rem;
}
.portal-badge-note {
  font-size: 0.8125rem; color: var(--color-text-muted);
}
.query-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem;
  align-items: stretch; margin-bottom: 1.75rem;
}
.query-card {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  height: 100%;
}
.query-card:hover { box-shadow: var(--shadow); border-color: #cbd5e1; }
.query-kicker {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--color-teal); margin: 0 0 0.65rem;
}
.query-card h2 { font-size: 1.125rem; margin-bottom: 0.55rem; }
.query-card > p { font-size: 0.9375rem; flex: 1; margin-bottom: 1.25rem; }
.query-card .btn { align-self: flex-start; margin-top: auto; }
.query-sublinks {
  display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: auto;
}
.query-disclaimer { margin-top: 0.25rem; }
.query-disclaimer a { font-weight: 600; }

/* Service page CTA */
.inline-cta {
  margin-top: 0.25rem; padding: 1.5rem 1.5rem;
  background: var(--color-navy); border-radius: var(--radius);
  border: 0;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
}
.inline-cta p { margin: 0; color: #fff; font-weight: 560; max-width: 28em; }
.inline-cta .btn-accent { flex-shrink: 0; }

/* Mobile */
@media (max-width: 900px) {
  .card-grid, .steps, .module-grid, .trust-items, .about-layout, .contact-grid, .footer-grid, .query-grid {
    grid-template-columns: 1fr;
  }
  .about-visual { position: static; }
  .about-visual img { aspect-ratio: 16/10; }
  .card { min-height: 0; }
  .card p { -webkit-line-clamp: unset; overflow: visible; }
  .trust-items li { border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.1); padding: 1rem 0; }
  .trust-items li:last-child { border-bottom: 0; }
  .steps { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .step { min-height: 0; }
  .service-stack { gap: 1.15rem; }
  .service-panel { padding: 1.25rem; }
  .module-grid { gap: 1rem; }
  .section { padding: 3.5rem 0; }
  .cta-band { padding: 3.5rem 0; }
  .menu-toggle { display: block; }
  .nav-links, .nav-actions .nav-cta { display: none; }
  .nav-actions .lang-switch { display: inline-flex; }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav-links {
    display: flex; flex-direction: column; align-items: stretch;
    position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
    background: rgba(10, 37, 64, 0.98); padding: 1.25rem 1.25rem 5.5rem;
    gap: 0.25rem; overflow-y: auto; z-index: 99;
  }
  body.nav-open .nav-links > a,
  body.nav-open .nav-dropdown > summary {
    padding: 0.85rem 1rem; font-size: 1rem;
  }
  body.nav-open .nav-dropdown-panel {
    position: static; box-shadow: none; border: 0;
    background: rgba(255,255,255,0.05); margin: 0.25rem 0 0.5rem;
  }
  body.nav-open .nav-dropdown-panel a { color: var(--color-on-dark-muted); }
  body.nav-open .nav-dropdown-panel a:hover,
  body.nav-open .nav-dropdown-panel a.is-active {
    background: rgba(255,255,255,0.08); color: #fff;
  }
  body.nav-open .nav-actions .nav-cta {
    display: inline-flex; position: fixed; bottom: 1.5rem; left: 1.25rem; right: 1.25rem;
    justify-content: center; z-index: 101;
  }
  .hero { min-height: auto; padding-bottom: 3.5rem; }
  .hero-bg {
    background-image: none !important;
    background: radial-gradient(ellipse at 70% 20%, rgba(13,148,136,0.25), transparent 55%);
    opacity: 1;
  }
  .hero-mobile-only {
    display: block; margin: 0 -1.25rem 1.5rem; border-radius: 0;
    max-height: 220px; object-fit: cover; width: calc(100% + 2.5rem);
  }
}
@media (min-width: 901px) {
  .hero-mobile-only { display: none; }
}
@media (max-width: 600px) {
  .steps { grid-template-columns: 1fr; }
  .section { padding: 3rem 0; }
  .page-hero { padding-bottom: 2.25rem; }
  .inline-cta { flex-direction: column; align-items: flex-start; }
}

/* WhatsApp QR */
.wa-block { margin-top: 0.35rem; }
.wa-qr-link {
  display: inline-flex; flex-direction: column; align-items: flex-start; gap: 0.45rem;
  color: inherit; text-decoration: none; max-width: 140px;
}
.wa-qr-link:hover { color: var(--color-teal-hover); }
.wa-qr-thumb {
  width: 112px; height: 112px; object-fit: cover;
  border-radius: 10px; border: 1px solid var(--color-border);
  background: #fff; padding: 6px; box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.wa-qr-link:hover .wa-qr-thumb { transform: scale(1.03); box-shadow: var(--shadow); }
.wa-qr-caption {
  font-size: 0.8125rem; font-weight: 600; color: var(--color-text-secondary);
}
.wa-qr-link:hover .wa-qr-caption { color: var(--color-teal); }

.footer-wa {
  margin-top: 1rem; display: flex; align-items: center; gap: 0.75rem;
}
.footer-wa .wa-qr-thumb {
  width: 72px; height: 72px; padding: 4px;
  border-color: rgba(255,255,255,0.18); background: #fff;
}
.footer-wa .wa-qr-caption { color: var(--color-on-dark-muted); font-weight: 500; }
.footer-wa .wa-qr-link:hover .wa-qr-caption { color: #fff; }

.qr-lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: none; align-items: center; justify-content: center;
  padding: 1.5rem; background: rgba(10, 37, 64, 0.72);
}
.qr-lightbox.is-open { display: flex; }
.qr-lightbox-card {
  background: #fff; border-radius: 16px; padding: 1.25rem 1.25rem 1rem;
  max-width: min(92vw, 360px); width: 100%; text-align: center;
  box-shadow: 0 16px 48px rgba(0,0,0,0.28);
}
.qr-lightbox-card img {
  width: 100%; max-width: 280px; height: auto; margin: 0 auto 0.85rem;
  border-radius: 8px;
}
.qr-lightbox-card p {
  margin: 0 0 1rem; color: var(--color-text-secondary); font-size: 0.9rem;
}
.qr-lightbox-close {
  appearance: none; border: 0; cursor: pointer;
  background: var(--color-navy); color: #fff;
  font-family: inherit; font-weight: 600; font-size: 0.875rem;
  padding: 0.6rem 1.1rem; border-radius: 8px;
}
.qr-lightbox-close:hover { background: var(--color-navy-hover); }