/* ============================================================
   Central do Ar · Ar-condicionado · Minas Gerais
   Azul céu + laranja de ação · Lexend + Source Sans 3
   Linguagem simples, botão grande, uma ação por seção.
============================================================ */

:root {
  /* superfícies */
  --white: #ffffff;
  --ice: #f2f8fd;
  --ice-2: #e2f1fc;

  /* texto */
  --ink: #0b2545;
  --ink-2: #40566f;
  --ink-3: #6f8299;

  /* marca */
  --blue: #0284c7;
  --blue-deep: #0b4f86;
  --blue-night: #072a4a;
  --blue-soft: #e0f2fe;

  /* ação */
  --whats: #16a34a;
  --whats-deep: #128a3e;

  /* linhas */
  --line: #dbe8f4;
  --line-2: #c3daed;

  --shadow: 0 10px 30px -18px rgba(11, 37, 69, 0.32);
  --shadow-lg: 0 30px 60px -34px rgba(11, 37, 69, 0.4);

  --r: 10px;
  --r-lg: 18px;
  --r-pill: 999px;

  --container: 1160px;
  --gut: clamp(18px, 4vw, 44px);

  --z-nav: 100;
  --z-bar: 95;
  --z-float: 90;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  margin: 0;
  font-family: 'Lexend', system-ui, sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}
h1 { font-size: clamp(1.95rem, 4.1vw, 3.05rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: clamp(1.12rem, 1.6vw, 1.28rem); }

p { margin: 0; color: var(--ink-2); }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }
strong { font-weight: 700; color: var(--ink); }

::selection { background: var(--blue-soft); color: var(--blue-deep); }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}

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

.lead { font-size: clamp(1.04rem, 1.4vw, 1.18rem); }

/* ---------- eyebrow ---------- */
.eyebrow {
  display: inline-block;
  font-family: 'Lexend', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

/* ---------- botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 14px 26px;
  border: 2px solid transparent;
  border-radius: var(--r);
  font-family: 'Lexend', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.btn svg { flex: none; }

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


.btn--outline { background: var(--white); color: var(--blue-deep); border-color: var(--line-2); }
.btn--outline:hover { background: var(--ice); border-color: var(--blue); }

.btn--light { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: rgba(255, 255, 255, 0.45); }
.btn--light:hover { background: rgba(255, 255, 255, 0.22); }

.btn--sm { min-height: 44px; padding: 10px 18px; font-size: 0.92rem; }
.btn--big { min-height: 60px; font-size: 1.08rem; padding: 16px 32px; }
.btn--block { width: 100%; }

/* ---------- topbar ---------- */
.topbar {
  background: var(--blue-night);
  color: #cfe6f7;
  font-size: 0.92rem;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px 22px;
  flex-wrap: wrap;
  min-height: 42px;
  text-align: center;
}
.topbar a { color: #fff; font-weight: 700; }
.topbar a:hover { color: var(--blue-soft); }
.topbar-sep { color: rgba(255, 255, 255, 0.3); }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 74px;
}

.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 42px; height: 42px;
  flex: none;
  border-radius: 11px;
  background: var(--blue);
  color: #fff;
  display: grid;
  place-items: center;
}
.brand-mark svg { width: 25px; height: 25px; }
.brand-name {
  display: block;
  font-family: 'Lexend', sans-serif;
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
}
.brand-sub {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-3);
  line-height: 1.2;
}

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink-2);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.nav-links a:hover { color: var(--blue-deep); border-bottom-color: var(--blue); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  width: 48px; height: 48px;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: var(--white);
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.nav-toggle span {
  position: relative;
  display: block;
  width: 20px; height: 2px;
  background: var(--ink);
  transition: background-color 0.2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px; height: 2px;
  background: var(--ink);
  transition: transform 0.22s ease;
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav.open .nav-toggle span { background: transparent; }
.nav.open .nav-toggle span::before { transform: translateY(7px) rotate(45deg); }
.nav.open .nav-toggle span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- seções ---------- */
.sec { padding: clamp(54px, 7vw, 96px) 0; }
.sec--ice { background: var(--ice); border-block: 1px solid var(--line); }
.sec--night { background: var(--blue-night); color: #cfe0ee; }
.sec--night h2, .sec--night h3 { color: #fff; }
.sec--night p { color: #b6cde0; }

.sec-head { max-width: 720px; margin-bottom: clamp(30px, 4vw, 52px); }
.sec-head p { margin-top: 14px; }

/* ---------- hero ---------- */
.hero {
  padding: clamp(40px, 6vw, 76px) 0 clamp(52px, 6vw, 84px);
  background: linear-gradient(180deg, var(--ice) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(30px, 4vw, 60px);
  align-items: center;
}
.hero h1 { margin-bottom: 18px; }
.hero h1 .h1-a,
.hero h1 .h1-b { display: block; }
.hero h1 .h1-b { color: var(--blue); }
.hero-lead { max-width: 50ch; margin-bottom: 26px; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.hero-hint { font-size: 0.95rem; color: var(--ink-3); margin-bottom: 26px; }

.hero-seals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 22px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.hero-seals li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--ink-2);
  font-size: 0.98rem;
}
.hero-seals svg { width: 22px; height: 22px; color: var(--blue); flex: none; }

.hero-media { position: relative; }
.hero-photo {
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
  background: var(--ice-2);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }

.hero-badge {
  position: absolute;
  left: -14px;
  bottom: -22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 310px;
}
.hero-badge svg { width: 30px; height: 30px; color: var(--whats); flex: none; }
.hero-badge b { display: block; font-family: 'Lexend', sans-serif; font-size: 1rem; }
.hero-badge span { font-size: 0.9rem; color: var(--ink-3); }

/* ---------- faixa de público ---------- */
.audience {
  background: var(--blue-deep);
  color: #fff;
  padding: 18px 0;
}
.audience .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px 26px;
  flex-wrap: wrap;
  text-align: center;
}
.audience b { font-family: 'Lexend', sans-serif; font-weight: 600; }
.audience span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.98rem;
  color: #d5eaf9;
}
.audience svg { width: 18px; height: 18px; color: var(--blue-soft); flex: none; }

/* ---------- cards de serviço ---------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 20px;
}
.svc {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.svc:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.svc-ico {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.svc-ico svg { width: 26px; height: 26px; }
.svc h3 { margin-bottom: 10px; }
.svc > p { margin-bottom: 16px; }
.svc ul { margin-bottom: 22px; }
.svc li {
  display: flex;
  gap: 10px;
  padding: 4px 0;
  color: var(--ink-2);
  font-size: 0.97rem;
}
.svc li svg { width: 19px; height: 19px; color: var(--blue); flex: none; margin-top: 5px; }
.svc .btn { margin-top: auto; padding-inline: 14px; }

/* ---------- sintomas ---------- */
.symptom-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 900px) { .symptom-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .symptom-grid { grid-template-columns: 1fr; } }
.symptom {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}
.symptom:hover { border-color: var(--blue); background: var(--ice); box-shadow: var(--shadow); }
.symptom-ico {
  width: 46px; height: 46px;
  flex: none;
  border-radius: 12px;
  background: var(--ice-2);
  color: var(--blue-deep);
  display: grid;
  place-items: center;
}
.symptom-ico svg { width: 24px; height: 24px; }
.symptom b {
  display: block;
  font-family: 'Lexend', sans-serif;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
}
.symptom span { font-size: 0.92rem; color: var(--ink-3); }
.symptom-go { margin-left: auto; color: var(--blue); flex: none; }
.symptom-go svg { width: 22px; height: 22px; }

/* ---------- passos ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px 24px;
}
.step-num {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: 'Lexend', sans-serif;
  font-weight: 700;
  font-size: 1.12rem;
  margin-bottom: 16px;
}
.step h3 { margin-bottom: 8px; }

/* ---------- confiança ---------- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.trust { display: flex; gap: 16px; }
.trust-ico {
  width: 46px; height: 46px;
  flex: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--blue-soft);
  display: grid;
  place-items: center;
}
.trust-ico svg { width: 24px; height: 24px; }
.trust b {
  display: block;
  font-family: 'Lexend', sans-serif;
  font-weight: 600;
  font-size: 1.06rem;
  color: #fff;
  margin-bottom: 6px;
}
.trust p { font-size: 0.98rem; }

/* ---------- formulário simples ---------- */
.form-wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.form-side ul { margin-top: 22px; }
.form-side li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  color: var(--ink-2);
  font-size: 1rem;
}
.form-side li svg { width: 22px; height: 22px; color: var(--blue); flex: none; margin-top: 4px; }

.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: clamp(24px, 3vw, 34px);
}
.form-card h3 { margin-bottom: 6px; }
.form-card > p { margin-bottom: 22px; font-size: 0.98rem; }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: 'Lexend', sans-serif;
  font-weight: 600;
  font-size: 0.97rem;
  color: var(--ink);
  margin-bottom: 7px;
}
.field input,
.field select {
  width: 100%;
  min-height: 54px;
  padding: 13px 15px;
  background: var(--white);
  border: 2px solid var(--line-2);
  border-radius: var(--r);
  font-family: inherit;
  font-size: 1.02rem;
  color: var(--ink);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.field input::placeholder { color: var(--ink-3); }
.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.16);
}

.form-foot {
  margin-top: 12px;
  text-align: center;
  font-size: 0.92rem;
  color: var(--ink-3);
}

/* ---------- cidades ---------- */
.cities { display: flex; flex-wrap: wrap; gap: 10px; }
.city {
  display: inline-flex;
  align-items: center;
  padding: 13px 26px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: var(--white);
  font-family: 'Lexend', sans-serif;
  font-size: 1.05rem;
  color: var(--ink-2);
}
.city--main { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }

.cities-note {
  margin-top: 26px;
  padding: 20px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 5px solid var(--blue);
  border-radius: var(--r);
}

/* ---------- depoimentos ---------- */
.tst-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(285px, 1fr));
  gap: 20px;
}
.tst {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
}
.tst-stars { display: flex; gap: 3px; margin-bottom: 14px; }
.tst-stars svg { width: 19px; height: 19px; color: #f59e0b; }
.tst p { flex: 1; color: var(--ink); font-size: 1.02rem; }
.tst-who { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.tst-av {
  width: 42px; height: 42px;
  flex: none;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue-deep);
  display: grid;
  place-items: center;
  font-family: 'Lexend', sans-serif;
  font-weight: 700;
}
.tst-who b { display: block; font-family: 'Lexend', sans-serif; font-size: 0.98rem; }
.tst-who span { font-size: 0.9rem; color: var(--ink-3); }

/* ---------- dúvidas ---------- */
.faq { max-width: 820px; margin-inline: auto; }
.faq details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq details[open] { border-color: var(--blue); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 58px 20px 22px;
  position: relative;
  font-family: 'Lexend', sans-serif;
  font-weight: 600;
  font-size: 1.06rem;
  color: var(--ink);
  min-height: 60px;
  display: flex;
  align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--blue-deep); }
.faq summary::after,
.faq summary::before {
  content: '';
  position: absolute;
  right: 24px;
  top: 50%;
  background: var(--blue);
  transition: transform 0.22s ease, opacity 0.22s ease;
}
.faq summary::after { right: 22px; width: 16px; height: 2px; transform: translateY(-50%); }
.faq summary::before { right: 29px; width: 2px; height: 16px; transform: translateY(-50%); }
.faq details[open] summary::before { opacity: 0; transform: translateY(-50%) rotate(90deg); }
.faq details p { padding: 0 22px 22px; }

/* ---------- cta final ---------- */
.final {
  background: var(--blue-deep);
  color: #fff;
  text-align: center;
}
.final h2 { color: #fff; margin-bottom: 14px; }
.final p { color: #d3e8f8; max-width: 56ch; margin-inline: auto; }
.final-phone {
  display: inline-block;
  font-family: 'Lexend', sans-serif;
  font-size: clamp(2rem, 4.4vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin: 24px 0 22px;
  letter-spacing: -0.02em;
}
.final-cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.final small { display: block; margin-top: 22px; color: #a9cbe6; font-size: 0.95rem; }

/* ---------- rodapé ---------- */
.footer {
  background: var(--blue-night);
  color: #9db8cd;
  padding: clamp(44px, 5vw, 64px) 0 0;
  font-size: 1rem;
}
.footer h4 {
  margin: 0 0 16px;
  font-family: 'Lexend', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 34px;
  padding-bottom: 40px;
}
.footer li { padding: 5px 0; }
.footer a:hover { color: #fff; }
.footer .brand-name { color: #fff; }
.footer .brand-sub { color: #85a3bb; }
.footer .brand-mark { background: rgba(255, 255, 255, 0.14); }
.footer-about { margin: 16px 0; max-width: 40ch; }
.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: #7d9bb4;
}

/* ---------- float + barra mobile ---------- */
.wa-float {
  position: fixed;
  right: 18px; bottom: 18px;
  z-index: var(--z-float);
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--whats);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 14px 30px -10px rgba(22, 163, 74, 0.6);
  transition: background-color 0.18s ease;
}
.wa-float:hover { background: var(--whats-deep); }
.wa-float svg { width: 31px; height: 31px; }

.mobile-bar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: var(--z-bar);
  background: var(--white);
  border-top: 1px solid var(--line);
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  gap: 10px;
  box-shadow: 0 -6px 20px -12px rgba(11, 37, 69, 0.4);
}
.mobile-bar .btn { flex: 1; min-height: 54px; padding: 12px 10px; font-size: 1rem; }

/* ---------- reveal ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- responsivo ---------- */
@media (max-width: 1000px) {
  .hero-grid, .form-wrap { grid-template-columns: 1fr; }
  .hero-badge { position: static; margin-top: 14px; max-width: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 6px var(--gut) 18px;
    box-shadow: var(--shadow);
  }
  .nav.open .nav-links { display: flex; }
  .nav-links a { padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 1.06rem; }
  .nav-toggle { display: grid; }
  .nav-actions .btn { display: none; }
  .mobile-bar { display: flex; }
  .wa-float { bottom: 88px; }
  body { padding-bottom: 74px; }
}

@media (max-width: 620px) {
  .hero-cta .btn, .final-cta .btn { width: 100%; }
  .hero-seals { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .topbar .container { font-size: 0.88rem; }
}