/* RTS layout — design tokens from design-tokens.md */
:root {
  --ink: #211E20;
  --muted: #5D585B;
  --paper: #FFFFFF;
  --soft: #F5F2F2;
  --line: #DDD7D8;
  --brand-red: #B10E16;
  --action-red: #D4252D;
  --dark: #171315;
  --success: #237A57;
  --success-surface: #E4F3EC;
  --danger-surface: #FBE8E9;
  --radius-control: 10px;
  --radius-card: 16px;
  --radius-feature: 20px;
  --radius-pill: 999px;
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-7: 28px;
  --sp-8: 40px;
  --sp-9: 56px;
  --sp-10: 80px;
  --container-max: 1280px;
  --header-h: 76px;
  --font-stack: Arial, Helvetica, sans-serif;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  overflow-wrap: break-word;
}

img { max-width: 100%; height: auto; display: block; }

[hidden] { display: none !important; }

h1, h2, h3, h4 { margin: 0 0 var(--sp-4); line-height: 1.15; font-weight: bold; color: var(--ink); }

p { margin: 0 0 var(--sp-4); }

ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: var(--brand-red); text-decoration: none; }
a:hover { color: var(--action-red); text-decoration: underline; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--sp-8);
}

.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;
}

.skip-link {
  position: absolute;
  top: var(--sp-2);
  left: var(--sp-2);
  z-index: 100;
  padding: var(--sp-3) var(--sp-4);
  background: var(--dark);
  color: #fff;
  border-radius: var(--radius-control);
  transform: translateY(-200%);
  transition: transform 0.15s ease;
}
.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 2px solid var(--action-red);
  outline-offset: 2px;
  border-radius: 2px;
}
.site-footer :focus-visible,
.site-header :focus-visible {
  outline-color: #FFFFFF;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 52px;
  padding: var(--sp-3) var(--sp-6);
  border: 2px solid transparent;
  border-radius: var(--radius-control);
  font-family: inherit;
  font-size: 16px;
  font-weight: bold;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--action-red);
  color: #FFFFFF;
}
.btn-primary:hover {
  background: #B81F26;
  color: #FFFFFF;
  text-decoration: none;
}
.btn-outline {
  background: transparent;
  color: var(--brand-red);
  border-color: var(--brand-red);
}
.btn-outline:hover {
  background: var(--danger-surface);
  color: var(--brand-red);
  text-decoration: none;
}
.btn-light {
  background: #FFFFFF;
  color: var(--brand-red);
}
.btn-light:hover {
  background: #F5F2F2;
  color: var(--brand-red);
  text-decoration: none;
}
.btn-outline-light {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  text-decoration: none;
}
.btn-small { min-height: 44px; padding: var(--sp-2) var(--sp-5); font-size: 15px; }
.btn-compact { min-height: 44px; padding: var(--sp-2) var(--sp-4); font-size: 15px; }

.link-btn {
  background: none;
  border: 0;
  padding: var(--sp-2) var(--sp-3);
  min-height: 44px;
  color: var(--brand-red);
  text-decoration: underline;
  font-family: inherit;
  font-size: 15px;
  cursor: pointer;
}

/* SiteHeader */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  min-height: var(--header-h);
  flex-wrap: nowrap;
}
.brand img { width: 170px; height: auto; }

.main-nav {
  display: flex;
  gap: var(--sp-5);
  margin-left: var(--sp-4);
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
  font-size: 15px;
  font-weight: bold;
}
.main-nav a:hover { color: var(--brand-red); text-decoration: none; }

.header-contacts {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.3;
}
.phone-link {
  color: var(--ink);
  font-weight: bold;
  font-size: 17px;
}
.phone-link:hover { color: var(--brand-red); }
.hours {
  color: var(--muted);
  font-size: 13px;
}

.menu-btn {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  cursor: pointer;
}
.menu-icon, .menu-icon::before, .menu-icon::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.menu-icon::before { transform: translateY(-6px); }
.menu-icon::after { transform: translateY(6px); }
.site-header[data-menu-open="true"] .menu-icon { background: transparent; }
.site-header[data-menu-open="true"] .menu-icon::before { transform: rotate(45deg); }
.site-header[data-menu-open="true"] .menu-icon::after { transform: rotate(-45deg); }

/* Hero */
.hero {
  padding: var(--sp-10) 0;
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(177, 14, 22, 0.06), transparent 60%),
    var(--paper);
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--sp-9);
  align-items: center;
}
.hero h1 {
  font-size: 56px;
  line-height: 1.12;
  letter-spacing: -0.5px;
  margin-bottom: var(--sp-5);
}
.hero-lead {
  font-size: 19px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 52ch;
  margin-bottom: var(--sp-6);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}
.hero-meta {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}
.hero-media { margin: 0; }
.hero-media-frame {
  position: relative;
  border-radius: var(--radius-feature);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(23, 19, 21, 0.12);
}
.hero-media-frame img { width: 100%; aspect-ratio: 1200 / 672; object-fit: cover; }
.node-motif {
  position: absolute;
  right: var(--sp-3);
  bottom: var(--sp-3);
  width: 96px;
  height: 96px;
  opacity: 0.9;
}

/* ProofMetricGrid */
.metrics {
  background: var(--dark);
  padding: var(--sp-8) 0;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-5);
}
.metric {
  padding: var(--sp-5);
  border-left: 3px solid var(--action-red);
}
.metric-value {
  display: block;
  font-size: 34px;
  line-height: 1.1;
  font-weight: bold;
  color: #FFFFFF;
  margin-bottom: var(--sp-2);
}
.metric-label {
  display: block;
  color: #B8B8B3;
  font-size: 15px;
  line-height: 1.4;
}

/* Section headers */
section { scroll-margin-top: var(--header-h); }
.section-kicker {
  margin: 0 0 var(--sp-3);
  color: var(--brand-red);
  font-size: 14px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ServiceCardGrid */
.services { padding: var(--sp-10) 0; background: var(--soft); }
.services h2 { font-size: 36px; margin-bottom: var(--sp-7); max-width: 24ch; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-5);
}
.service-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: var(--sp-6);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.service-card:hover {
  box-shadow: 0 12px 28px rgba(23, 19, 21, 0.1);
  transform: translateY(-2px);
}
.card-index {
  margin: 0 0 var(--sp-3);
  color: var(--brand-red);
  font-size: 14px;
  font-weight: bold;
  letter-spacing: 0.08em;
}
.service-card h3 {
  font-size: 19px;
  line-height: 1.25;
  margin-bottom: var(--sp-3);
}
.card-price {
  color: var(--brand-red);
  font-weight: bold;
  font-size: 17px;
  margin-bottom: var(--sp-4);
}
.card-points {
  display: grid;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
  flex: 1;
}
.card-points li {
  position: relative;
  padding-left: var(--sp-5);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.4;
}
.card-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}
.card-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: bold;
  font-size: 15px;
}

/* ProcessSteps */
.process { padding: var(--sp-10) 0; }
.process h2 { font-size: 36px; margin-bottom: var(--sp-7); }
.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-5);
  counter-reset: step;
}
.process-step {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
  padding: var(--sp-5);
  background: var(--soft);
  border-radius: var(--radius-card);
}
.step-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: var(--brand-red);
  color: #FFFFFF;
  font-weight: bold;
  font-size: 17px;
}
.step-body h3 { font-size: 17px; margin-bottom: var(--sp-2); }
.step-body p { color: var(--muted); font-size: 15px; margin: 0; line-height: 1.45; }

/* ResponsibilityBanner */
.responsibility {
  background: var(--brand-red);
  padding: var(--sp-7) 0;
}
.responsibility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  flex-wrap: wrap;
}
.responsibility-tags {
  margin: 0;
  color: #FFFFFF;
  font-size: 18px;
  font-weight: bold;
}
.responsibility-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  max-width: 44ch;
}

/* EstimatorStepper */
.estimator { padding: var(--sp-10) 0; background: var(--soft); }
.estimator h2 { font-size: 36px; margin-bottom: var(--sp-7); }
.estimator-box {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-feature);
  padding: var(--sp-7);
  max-width: 860px;
}
.est-progress {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-6);
}
.est-progress-item {
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  font-weight: bold;
}
.est-progress-item[aria-current="step"] {
  background: var(--brand-red);
  border-color: var(--brand-red);
  color: #FFFFFF;
}
.est-progress-item[data-state="done"] {
  background: var(--success-surface);
  border-color: var(--success);
  color: var(--success);
}

.field { margin-bottom: var(--sp-5); }
.field label {
  display: block;
  font-weight: bold;
  font-size: 15px;
  margin-bottom: var(--sp-2);
}
.field select,
.field input[type="text"],
.field input[type="tel"],
.field input[type="number"] {
  width: 100%;
  min-height: 48px;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--paper);
  color: var(--ink);
  font-family: inherit;
  font-size: 16px;
}
.field select:focus,
.field input:focus {
  border-color: var(--action-red);
}
.field input[aria-invalid="true"],
.field select[aria-invalid="true"] {
  border-color: var(--action-red);
  background: var(--danger-surface);
}
.field-error {
  margin: var(--sp-2) 0 0;
  color: var(--action-red);
  font-size: 14px;
  font-weight: bold;
}
.field-consent {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  flex-wrap: wrap;
}
.field-consent input[type="checkbox"] {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  flex: 0 0 auto;
}
.field-consent label { margin: 0; font-weight: normal; font-size: 15px; }

.est-result {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: var(--sp-5);
  margin-bottom: var(--sp-5);
}
.est-result h3 { font-size: 17px; margin-bottom: var(--sp-3); }
.est-result ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}
.est-result li {
  position: relative;
  padding-left: var(--sp-5);
  font-size: 15px;
  color: var(--ink);
}
.est-result li::before {
  content: "•";
  position: absolute;
  left: var(--sp-1);
  color: var(--brand-red);
  font-weight: bold;
}
.est-range {
  font-size: 18px;
  font-weight: bold;
  color: var(--brand-red);
  margin-bottom: var(--sp-3);
}
.est-disclaimer { color: var(--muted); font-size: 14px; margin: 0; }

.est-actions {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-top: var(--sp-6);
}
.est-status {
  margin-top: var(--sp-4);
  color: var(--action-red);
  font-weight: bold;
  font-size: 15px;
}
.est-success { text-align: left; }
.est-success h3 { font-size: 24px; margin-bottom: var(--sp-3); }
.est-success p { color: var(--muted); margin-bottom: var(--sp-5); max-width: 56ch; }

/* CaseStudy */
.case { padding: var(--sp-10) 0; }
.case h2 { font-size: 36px; margin-bottom: var(--sp-7); }
.case-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: var(--sp-7);
  align-items: start;
}
.case-summary {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: var(--sp-5);
}
.case-quote {
  margin: 0 0 var(--sp-5);
  padding: var(--sp-5) var(--sp-6);
  background: var(--soft);
  border-left: 4px solid var(--brand-red);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}
.case-quote p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: var(--sp-4);
}
.case-quote footer {
  display: grid;
  gap: var(--sp-1);
}
.case-quote cite {
  font-style: normal;
  font-weight: bold;
}
.case-quote footer span { color: var(--muted); font-size: 14px; }
.case-more { font-weight: bold; }
.case-facts {
  background: var(--dark);
  color: #F5F2F2;
  border-radius: var(--radius-card);
  padding: var(--sp-6);
}
.case-facts h3 {
  color: #FFFFFF;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-3);
}
.case-facts p { color: #B8B8B3; font-size: 15px; line-height: 1.55; }

/* ProofList */
.why { padding: var(--sp-10) 0; background: var(--soft); }
.why h2 { font-size: 36px; margin-bottom: var(--sp-4); }
.why-lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 72ch;
  margin-bottom: var(--sp-7);
}
.proof-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-5);
}
.proof-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: var(--sp-6);
}
.proof-item h3 { font-size: 17px; margin-bottom: var(--sp-2); }
.proof-item p { color: var(--muted); font-size: 15px; line-height: 1.5; margin: 0; }

/* FAQAccordion */
.faq { padding: var(--sp-10) 0; }
.faq h2 { font-size: 36px; margin-bottom: var(--sp-7); }
.faq-list {
  display: grid;
  gap: var(--sp-3);
  max-width: 860px;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--paper);
  overflow: hidden;
}
.faq-q { margin: 0; }
.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  width: 100%;
  min-height: 56px;
  padding: var(--sp-4) var(--sp-5);
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 17px;
  font-weight: bold;
  color: var(--ink);
}
.faq-trigger:hover { background: var(--soft); }
.faq-icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--brand-red);
  border-radius: 2px;
  transition: transform 0.15s ease;
}
.faq-icon::before { left: 0; top: 7px; width: 16px; height: 2px; }
.faq-icon::after { left: 7px; top: 0; width: 2px; height: 16px; }
.faq-trigger[aria-expanded="true"] .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-panel { padding: 0 var(--sp-5); }
.faq-panel-inner {
  padding-bottom: var(--sp-5);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}
.faq-panel-inner p { margin: 0; }

/* AuditCTA */
.audit-cta {
  background:
    radial-gradient(700px 320px at 90% 10%, rgba(255, 255, 255, 0.08), transparent 60%),
    var(--dark);
  padding: var(--sp-10) 0;
}
.audit-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  flex-wrap: wrap;
}
.audit-cta h2 {
  color: #FFFFFF;
  font-size: 34px;
  margin-bottom: var(--sp-3);
  max-width: 22ch;
}
.audit-cta p {
  color: #B8B8B3;
  margin: 0;
  max-width: 52ch;
}
.audit-cta-actions {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

/* SiteFooter */
.site-footer {
  background: var(--dark);
  color: #B8B8B3;
  padding: var(--sp-8) 0 var(--sp-6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 0.7fr);
  gap: var(--sp-7);
  padding-bottom: var(--sp-6);
}
.footer-brand img { width: 132px; height: auto; margin-bottom: var(--sp-4); }
.footer-brand p { margin: 0; color: #F5F2F2; font-weight: bold; }
.footer-col h3 {
  color: #FFFFFF;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-3);
}
.footer-col p { margin: 0 0 var(--sp-2); font-size: 15px; }
.footer-col a { color: #B8B8B3; }
.footer-col a:hover { color: #FFFFFF; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-bottom p { margin: 0; font-size: 14px; }

/* CookiePreferences */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: var(--paper);
  border-top: 1px solid var(--line);
  box-shadow: 0 -12px 30px rgba(23, 19, 21, 0.14);
  padding: var(--sp-5) 0 var(--sp-6);
}
.cookie-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  flex-wrap: wrap;
}
.cookie-banner p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  max-width: 62ch;
}
.cookie-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.cookie-dialog {
  width: min(520px, calc(100vw - 40px));
  padding: var(--sp-6);
  border: 1px solid var(--line);
  border-radius: var(--radius-feature);
  box-shadow: 0 24px 60px rgba(23, 19, 21, 0.3);
  font-family: var(--font-stack);
}
.cookie-dialog::backdrop { background: rgba(23, 19, 21, 0.55); }
.cookie-dialog h2 { font-size: 22px; margin-bottom: var(--sp-3); }
.cookie-dialog-note { color: var(--muted); font-size: 15px; margin-bottom: var(--sp-5); }
.cookie-opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-4) 0;
  border-top: 1px solid var(--line);
}
.cookie-opt-label, .cookie-opt-state { font-size: 15px; }
.cookie-opt-state { color: var(--muted); font-size: 14px; }
.cookie-opt input[type="checkbox"] { width: 22px; height: 22px; }
.cookie-dialog-actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: var(--sp-5);
}

/* Tablet: 700–1199 */
@media (max-width: 1199px) {
  .hero h1 { font-size: 43px; line-height: 1.16; }
  .hero-inner { grid-template-columns: 1fr; gap: var(--sp-8); }
  .hero-media-frame img { aspect-ratio: 760 / 426; }
  .hero-copy { order: 1; }
  .hero-media { order: 2; max-width: 720px; }
  .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); }
  .metric { padding: var(--sp-4); }
  .metric-value { font-size: 30px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-inner { grid-template-columns: 1fr; gap: var(--sp-6); }
  .proof-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .main-nav { margin-left: var(--sp-3); gap: var(--sp-4); }
  .brand img { width: 150px; }
  .header-cta { display: none; }
}

/* Mobile: ≤699 */
@media (max-width: 699px) {
  :root { --header-h: 64px; }
  .container { padding: 0 var(--sp-5); }
  body { font-size: 15px; }
  .site-header .header-inner { gap: var(--sp-3); }
  .brand img { width: 128px; }
  .header-contacts {
    flex-direction: row;
    align-items: center;
    gap: var(--sp-3);
  }
  .phone-link { font-size: 15px; }
  .hours { display: none; }
  .menu-btn { display: inline-flex; }
  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    margin: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 30px rgba(23, 19, 21, 0.12);
    padding: var(--sp-2) 0;
  }
  .site-header[data-menu-open="true"] .main-nav { display: flex; }
  .main-nav a {
    min-height: 48px;
    padding: var(--sp-3) var(--sp-5);
    font-size: 16px;
  }
  .hero { padding: var(--sp-8) 0; }
  .hero h1 { font-size: 34px; line-height: 1.2; }
  .hero-lead { font-size: 17px; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-media-frame img { aspect-ratio: 480 / 270; }
  .metrics { padding: var(--sp-6) 0; }
  .metrics-grid { grid-template-columns: 1fr; gap: var(--sp-3); }
  .metric { border-left-width: 3px; }
  .metric-value { font-size: 28px; }
  section { padding-top: var(--sp-8); padding-bottom: var(--sp-8); }
  .metrics, .responsibility { padding-top: var(--sp-6); padding-bottom: var(--sp-6); }
  .services h2, .process h2, .estimator h2, .case h2, .why h2, .faq h2 { font-size: 28px; }
  .service-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .responsibility-inner { flex-direction: column; align-items: flex-start; gap: var(--sp-3); }
  .estimator-box { padding: var(--sp-5); }
  .est-actions { flex-direction: column; }
  .est-actions .btn { width: 100%; }
  .est-result ul { grid-template-columns: 1fr; }
  .proof-list { grid-template-columns: 1fr; }
  .audit-cta h2 { font-size: 28px; }
  .audit-cta-inner { flex-direction: column; align-items: flex-start; }
  .audit-cta-actions { width: 100%; flex-direction: column; align-items: stretch; }
  .audit-cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .footer-bottom { flex-direction: column; gap: var(--sp-2); }
  .cookie-banner { padding: var(--sp-4) 0 var(--sp-5); }
  .cookie-banner-inner { flex-direction: column; align-items: flex-start; }
  .cookie-actions { width: 100%; flex-direction: column; align-items: stretch; }
  .cookie-actions .btn { width: 100%; }
  .case-quote { padding: var(--sp-4); }
}