/* ============================================================
   ANDREYE SOUZA — Engenharia de Alta Tensão
   Design System: "Industrial Precision"
   Navy institucional + Laranja segurança | Fonte: Inter
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Cores */
  --navy: #131b2e;
  --navy-deep: #0b1c30;
  --navy-soft: #3f465c;
  --orange: #fd761a;
  --orange-dark: #9d4300;
  --orange-deep: #5c2400;
  --red: #ba1a1a;
  --surface: #f7f9fb;
  --surface-low: #f2f4f6;
  --surface-container: #eceef0;
  --surface-high: #e6e8ea;
  --white: #ffffff;
  --ink: #191c1e;
  --ink-soft: #45464d;
  --outline: #76777d;
  --border: #e2e8f0;
  --border-strong: #c6c6cd;

  /* Tipografia */
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Forma */
  --radius-sm: 4px;
  --radius-md: 8px;

  /* Layout */
  --container-max: 1280px;
  --gutter: 24px;
  --section-gap: 80px;

  /* Sombra "hard" */
  --shadow-hard: 0 0 4px rgba(0, 0, 0, 0.10);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4, p, ul, figure { margin: 0; }

ul { padding: 0; list-style: none; }

button { font-family: inherit; cursor: pointer; }

.material-symbols-outlined {
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  vertical-align: middle;
}

/* ---------- Utilitários ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: var(--section-gap) 0; }
.section--white { background: var(--white); }
.section--gray { background: var(--surface-container); }
.section--navy { background: var(--navy); color: var(--white); }

.label-caps {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
}

.eyebrow {
  display: inline-block;
  color: var(--orange-dark);
  margin-bottom: 16px;
}
.eyebrow--light { color: var(--orange); }

.headline-xl {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.headline-lg {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.headline-md { font-size: 24px; font-weight: 600; line-height: 1.3; }

.body-lg { font-size: 18px; line-height: 1.6; }

.text-soft { color: var(--ink-soft); }
.text-orange { color: var(--orange); }

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { margin-top: 16px; color: var(--ink-soft); }

.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--gutter);
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.stack { display: grid; gap: 24px; }

/* Faixa de chamada para ação (CTA) */
.cta-band { text-align: center; }

.cta-band h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.01em;
  max-width: 640px;
  margin: 0 auto;
}

.cta-band p {
  margin: 16px auto 0;
  max-width: 560px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  line-height: 1.6;
}

.cta-band .btn { margin-top: 32px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
  white-space: nowrap;
}

.btn--orange { background: var(--orange); color: var(--white); }
.btn--orange:hover { background: var(--orange-dark); }

.btn--navy { background: var(--navy); color: var(--white); }
.btn--navy:hover { background: var(--navy-deep); }

.btn--dark { background: var(--ink); color: var(--white); }
.btn--dark:hover { background: #000000; }

.btn--red { background: var(--red); color: var(--white); }
.btn--red:hover { background: #93000a; }

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

.btn--ghost-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn--ghost-light:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

.btn--sm { padding: 10px 18px; font-size: 12px; }
.btn--lg { padding: 18px 36px; font-size: 14px; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gutter);
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-transform: uppercase;
  white-space: nowrap;
}

.brand .material-symbols-outlined {
  color: var(--orange);
  font-size: 26px;
  font-variation-settings: "FILL" 1, "wght" 500;
}

.brand__logo { height: 46px; width: auto; display: block; }

.footer-logo-chip {
  display: inline-block;
  background: var(--white);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}

.footer-logo-chip img { height: 44px; width: auto; display: block; }

.main-nav { display: flex; align-items: center; gap: 32px; }

.main-nav a {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s ease;
}

.main-nav a:hover { color: var(--ink); }

.main-nav a.is-active {
  color: var(--orange-dark);
  border-bottom-color: var(--orange);
}

.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px;
  color: var(--ink);
  line-height: 0;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: var(--white);
  background: var(--navy);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 18, 34, 0.88) 0%, rgba(11, 18, 34, 0.55) 55%, rgba(11, 18, 34, 0.35) 100%);
}

.hero--center .hero__overlay {
  background: linear-gradient(180deg, rgba(11, 18, 34, 0.75) 0%, rgba(11, 18, 34, 0.65) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 128px 0;
  max-width: 720px;
}

.hero--center .hero__content {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  padding: 112px 0;
}

.hero__chip {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.hero__title {
  font-size: 60px;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.hero__title .text-orange { color: var(--orange); }

.hero__lead {
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
}

.hero--center .hero__lead { margin-left: auto; margin-right: auto; }

.hero__actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero--center .hero__actions { justify-content: center; }

/* ---------- Faixa de estatísticas ---------- */
.stats { padding: 48px 0; }
.stats--navy { background: var(--navy); color: var(--white); }
.stats--orange { background: var(--orange); color: var(--white); }
.stats--light { background: var(--surface-high); color: var(--ink); }

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gutter);
  text-align: center;
}

.stat__value {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.stat__value .text-orange { color: var(--orange); }

.stat__label {
  margin-top: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
}

/* ---------- Cards de serviço ---------- */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: box-shadow .15s ease, border-color .15s ease;
}

.service-card:hover { box-shadow: var(--shadow-hard); border-color: var(--border-strong); }

.service-card__icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange-dark);
  margin-bottom: 24px;
}

.service-card__icon .material-symbols-outlined { font-size: 26px; }

.service-card h3 { font-size: 20px; font-weight: 700; }

.service-card > p { margin-top: 12px; color: var(--ink-soft); font-size: 15px; line-height: 1.6; }

.check-list { margin-top: 20px; display: grid; gap: 10px; }

.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
}

.check-list .material-symbols-outlined {
  font-size: 18px;
  color: var(--orange-dark);
}

.service-card__photo {
  margin-top: 24px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.service-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: filter .2s ease;
}

.service-card:hover .service-card__photo img { filter: grayscale(0); }

/* ---------- Certificações ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.cert-tile {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.cert-tile .material-symbols-outlined { color: var(--orange-dark); font-size: 24px; }

.cert-tile h3 { font-size: 15px; font-weight: 700; }

.cert-tile p { margin-top: 4px; font-size: 13px; color: var(--ink-soft); line-height: 1.5; }

.cert-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.cert-strip__item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px 12px;
  text-align: center;
}

.cert-strip__item .material-symbols-outlined { font-size: 28px; color: var(--navy); }

.cert-strip__item span.label {
  display: block;
  margin-top: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Split de duas colunas (texto + mídia) */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.split__media {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.split__media img { width: 100%; height: 100%; object-fit: cover; }

.split__badge {
  position: absolute;
  right: 0;
  bottom: 24px;
  background: var(--ink);
  color: var(--white);
  padding: 16px 20px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.25;
  text-transform: uppercase;
  max-width: 220px;
}

.split__badge .label-caps { display: block; color: var(--orange); margin-bottom: 6px; }

/* ---------- Faixa de emergência ---------- */
.emergency {
  position: relative;
  background: var(--red);
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.05) 0 24px,
    transparent 24px 48px
  );
  color: var(--white);
  border-radius: var(--radius-md);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.emergency__title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 28px;
  font-weight: 800;
  text-transform: uppercase;
}

.emergency__title .material-symbols-outlined { font-size: 32px; }

.emergency p { margin-top: 12px; max-width: 520px; color: rgba(255,255,255,0.9); font-size: 15px; line-height: 1.6; }

.emergency__meta { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

.emergency__meta-item {
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
}

.emergency__meta-item .label-caps { display: block; opacity: 0.8; margin-bottom: 6px; font-size: 10px; }

.emergency__meta-item strong { font-size: 18px; font-weight: 800; white-space: nowrap; }

.emergency .btn { background: var(--white); color: var(--red); }
.emergency .btn:hover { background: #ffe9e6; }

/* ---------- Missão / Visão / Valores ---------- */
.mvv-stack { display: grid; gap: 16px; }

.mvv-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
  background: var(--white);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.mvv-card--navy { background: var(--navy); color: var(--white); border-color: var(--navy); }

.mvv-card .material-symbols-outlined { color: var(--orange); font-size: 24px; }

.mvv-card h3 { font-size: 18px; font-weight: 700; }

.mvv-card p { margin-top: 6px; font-size: 14px; line-height: 1.6; color: var(--ink-soft); }

.mvv-card--navy p { color: rgba(255, 255, 255, 0.8); }

.history-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-sm);
  padding: 40px;
}

.history-panel p { margin-top: 16px; color: var(--ink-soft); line-height: 1.7; }

/* ---------- Expertise (seção escura) ---------- */
.expertise-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.expertise-card__photo { aspect-ratio: 4 / 3; overflow: hidden; }

.expertise-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: filter .2s ease, transform .3s ease;
}

.expertise-card:hover .expertise-card__photo img { filter: grayscale(0); transform: scale(1.02); }

.expertise-card__body { padding: 24px; }

.expertise-card h3 { font-size: 20px; font-weight: 700; color: var(--white); }

.expertise-card .role { display: block; margin-top: 6px; color: var(--orange); font-size: 13px; font-weight: 600; }

.expertise-card p { margin-top: 12px; font-size: 14px; line-height: 1.6; color: rgba(255, 255, 255, 0.75); }

/* ---------- Projetos ---------- */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }

.filter-btn {
  background: var(--white);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 22px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: all .15s ease;
}

.filter-btn:hover { border-color: var(--ink); color: var(--ink); }

.filter-btn.is-active { background: var(--ink); border-color: var(--ink); color: var(--white); }

.project-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .15s ease;
}

.project-card:hover { box-shadow: var(--shadow-hard); }

.project-card__photo { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }

.project-card__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }

.project-card:hover .project-card__photo img { transform: scale(1.03); }

.project-card__tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--orange-dark);
  color: var(--white);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

.project-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

.project-card__title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
}

.project-card__title .material-symbols-outlined { color: var(--orange-dark); font-size: 22px; flex-shrink: 0; }

.project-card__body > p { margin-top: 12px; color: var(--ink-soft); font-size: 15px; line-height: 1.6; flex: 1; }

.project-card__location {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.project-card__location .material-symbols-outlined { font-size: 16px; }

.project-card.is-hidden { display: none; }

/* ---------- Página de contato ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--gutter);
  align-items: start;
}

.panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px;
}

.panel__title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 28px;
}

.panel__title::before {
  content: "";
  width: 4px;
  height: 22px;
  background: var(--orange);
  display: inline-block;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-field { display: flex; flex-direction: column; gap: 8px; }

.form-field--full { grid-column: 1 / -1; }

.form-field label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

.form-field input,
.form-field select,
.form-field textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--surface-low);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  outline: none;
  transition: border-color .15s ease;
  width: 100%;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border: 2px solid var(--navy);
  padding: 12px 13px;
}

.form-field textarea { min-height: 140px; resize: vertical; }

.emergency-panel {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-md);
  border-left: 6px solid var(--orange);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.emergency-panel .label-caps { color: var(--orange); }

.emergency-panel h2 { margin-top: 12px; font-size: 26px; font-weight: 800; }

.emergency-panel p { margin-top: 12px; color: rgba(255, 255, 255, 0.8); font-size: 15px; line-height: 1.6; max-width: 420px; }

.emergency-panel .btn { margin-top: 24px; }

.emergency-panel__icon {
  position: absolute;
  right: 24px;
  top: 24px;
  font-size: 96px !important;
  opacity: 0.08;
}

.info-list { display: grid; gap: 24px; }

.info-item { display: flex; gap: 16px; align-items: flex-start; }

.info-item .material-symbols-outlined { color: var(--orange-dark); font-size: 24px; }

.info-item h3 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.info-item p { margin-top: 6px; font-size: 15px; color: var(--ink-soft); line-height: 1.6; }

.map-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--surface-container);
}

.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.75);
  margin-top: auto;
}

.site-footer__main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 64px 0;
}

.site-footer .brand { color: var(--white); font-size: 17px; }

.site-footer__about { margin-top: 16px; font-size: 14px; line-height: 1.7; max-width: 320px; }

.site-footer h3 {
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.site-footer__links { display: grid; gap: 12px; }

.site-footer__links a { font-size: 14px; transition: color .15s ease; }

.site-footer__links a:hover { color: var(--orange); }

.site-footer__contact { display: grid; gap: 14px; font-size: 14px; }

.site-footer__contact li { display: flex; gap: 10px; align-items: flex-start; }

.site-footer__contact .material-symbols-outlined { font-size: 18px; color: var(--orange); }

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}

/* ---------- Responsivo ---------- */
@media (max-width: 1024px) {
  .hero__title { font-size: 44px; }
  .headline-xl { font-size: 38px; }

  .cards-3 { grid-template-columns: 1fr 1fr; }
  .cert-strip { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .site-footer__main { grid-template-columns: 1fr 1fr; }

  .main-nav a { font-size: 13px; }
  .main-nav { gap: 20px; }
  .header-actions .btn--ghost { display: none; }
}

@media (max-width: 768px) {
  :root { --section-gap: 56px; --gutter: 16px; }

  body { overflow-x: clip; }

  .btn { white-space: normal; text-align: center; }

  .hero__actions .btn,
  .emergency .btn { width: 100%; }

  .emergency__meta,
  .emergency__meta-item { width: 100%; }

  .nav-toggle { display: block; }

  .brand__logo { height: 36px; }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0;
  }

  .main-nav.is-open { display: flex; }

  .main-nav a {
    padding: 14px var(--gutter);
    border-bottom: none;
    font-size: 15px;
  }

  .main-nav a.is-active { color: var(--orange-dark); background: var(--surface-low); }

  .header-actions .btn { display: none; }
  .header-actions .btn--orange { display: inline-flex; padding: 10px 14px; font-size: 11px; }

  .hero__content { padding: 72px 0; }
  .hero__title { font-size: 34px; }
  .hero__lead { font-size: 16px; }

  .headline-xl { font-size: 30px; }
  .headline-lg { font-size: 26px; }

  .stats__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stat__value { font-size: 28px; }

  .cards-3 { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .cert-strip { grid-template-columns: repeat(2, 1fr); }

  .emergency { flex-direction: column; align-items: flex-start; padding: 32px 24px; }
  .emergency__title { font-size: 22px; }

  .form-grid { grid-template-columns: 1fr; }
  .panel { padding: 24px; }
  .history-panel { padding: 24px; }
  .emergency-panel { padding: 32px 24px; }

  .site-footer__main { grid-template-columns: 1fr; gap: 40px; padding: 48px 0; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
}