/* =========================================================
   LEAL GÁS — Landing Page
   Design tokens extraídos do material de marca da empresa
   ========================================================= */

:root {
  /* Cores de marca (extraídas das artes da Leal Gás) */
  --blue-900: #0a2559;
  --blue-800: #0b2c6b;
  --blue-700: #123a86;
  --blue-600: #1a4fae;
  --blue-050: #eef3fc;
  --yellow-500: #ffc400;
  --yellow-400: #ffd54a;
  --yellow-050: #fff8e1;
  --red-500: #e5342a;
  --steel-200: #dfe4ea;
  --steel-400: #aeb7c4;
  --ink-900: #101826;
  --ink-700: #33405a;
  --ink-500: #5b6a85;
  --paper: #f7f9fc;
  --white: #ffffff;
  --success: #25d366;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 10px rgba(10, 37, 89, 0.08);
  --shadow-md: 0 12px 30px rgba(10, 37, 89, 0.12);
  --shadow-lg: 0 24px 60px rgba(10, 37, 89, 0.18);

  --font-display: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  --container: 1160px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; line-height: 1.15; color: var(--blue-900); }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 20px; }

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

:focus-visible {
  outline: 3px solid var(--yellow-500);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue-900);
  color: var(--white);
  padding: 12px 18px;
  z-index: 999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Eyebrow / labels ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-700);
  background: var(--blue-050);
  padding: 7px 16px;
  border-radius: var(--radius-pill);
}
.eyebrow .flame-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--red-500); flex: none; }

.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-top: 14px; letter-spacing: -0.01em; }
.section-head p { margin-top: 14px; color: var(--ink-500); font-size: 1.05rem; }

section { padding: 88px 0; position: relative; }
@media (max-width: 720px) { section { padding: 60px 0; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 30px;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.btn svg { flex: none; }
.btn-whatsapp {
  background: var(--success);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.35);
}
.btn-whatsapp:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(37, 211, 102, 0.45); background: #1fbd5a; }
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-3px); border-color: var(--white); }
.btn-dark-outline {
  background: transparent;
  border-color: var(--blue-800);
  color: var(--blue-800);
}
.btn-dark-outline:hover { background: var(--blue-800); color: var(--white); transform: translateY(-3px); }
.btn-yellow {
  background: var(--yellow-500);
  color: var(--blue-900);
  box-shadow: 0 10px 24px rgba(255, 196, 0, 0.35);
}
.btn-yellow:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(255, 196, 0, 0.45); background: var(--yellow-400); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(247, 249, 252, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(10, 37, 89, 0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); }
.brand-mark { width: 42px; height: 42px; flex: none; }
.brand-name { font-weight: 800; font-size: 1.28rem; color: var(--blue-900); letter-spacing: -0.01em; }
.brand-name span { color: var(--yellow-500); -webkit-text-stroke: 0.4px var(--blue-900); }
.brand-tag { display: block; font-family: var(--font-body); font-weight: 500; font-size: 0.68rem; color: var(--ink-500); letter-spacing: 0.02em; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink-700);
  position: relative;
  padding-block: 4px;
}
.main-nav a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: var(--yellow-500);
  transition: right 0.2s ease;
}
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-phone { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--blue-800); font-size: 0.95rem; }
.header-phone svg { color: var(--blue-600); }
.nav-toggle {
  display: none;
  background: var(--blue-900);
  border: none;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  color: var(--white);
  align-items: center;
  justify-content: center;
}

@media (max-width: 940px) {
  .main-nav { display: none; }
  .header-phone { display: none; }
  .nav-toggle { display: inline-flex; }
}

@media (max-width: 560px) {
  .header-inner { padding-block: 10px; gap: 10px; }
  .brand-tag { display: none; }
  .brand-name { font-size: 1.08rem; }
  .brand-mark { width: 34px; height: 34px; }
  .header-actions { gap: 8px; }
  .btn-whatsapp { padding: 11px 16px; font-size: 0.86rem; }
  .nav-toggle { width: 38px; height: 38px; flex: none; }
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 10px 20px 18px;
  background: var(--paper);
  border-top: 1px solid rgba(10,37,89,0.08);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 12px 6px; font-weight: 600; color: var(--ink-700); border-bottom: 1px dashed var(--steel-200); }
.mobile-nav .btn { margin-top: 10px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--blue-900) 0%, var(--blue-800) 55%, var(--blue-700) 100%);
  padding-top: 64px;
  padding-bottom: 0;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(560px 560px at 88% 18%, rgba(255, 196, 0, 0.16), transparent 60%),
    radial-gradient(420px 420px at 8% 90%, rgba(255, 196, 0, 0.10), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 40px;
  padding-top: 56px;
}
.hero-copy .eyebrow { background: rgba(255, 196, 0, 0.14); color: var(--yellow-400); }
.hero-copy .eyebrow .flame-dot { background: var(--yellow-500); }
.hero-copy h1 {
  color: var(--white);
  font-size: clamp(2.1rem, 4.2vw, 3.35rem);
  margin-top: 18px;
  letter-spacing: -0.02em;
}
.hero-copy h1 em { font-style: normal; color: var(--yellow-500); }
.hero-copy .subtitle {
  margin-top: 20px;
  font-size: 1.15rem;
  color: rgba(255,255,255,0.86);
  max-width: 520px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 32px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 36px; }
.hero-trust-item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.85); font-size: 0.92rem; font-weight: 600; }
.hero-trust-item svg { color: var(--yellow-500); flex: none; }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: flex-end; min-height: 560px; }
.hero-visual .blob {
  position: absolute;
  right: -6%;
  top: 4%;
  width: 100%;
  height: 92%;
  background: linear-gradient(135deg, var(--yellow-500), var(--yellow-400));
  clip-path: polygon(24% 0%, 100% 0%, 100% 100%, 0% 100%);
  border-radius: 40px;
  opacity: 0.98;
}
.hero-visual img {
  position: relative;
  z-index: 2;
  width: auto;
  max-width: 88%;
  max-height: 560px;
  object-fit: contain;
  filter: drop-shadow(0 30px 40px rgba(0,0,0,0.35));
}
.hero-badge {
  position: absolute;
  z-index: 3;
  left: 4%;
  bottom: 10%;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 230px;
}
.hero-badge .flame-icon { width: 34px; height: 34px; flex: none; }
.hero-badge strong { display: block; font-size: 0.92rem; color: var(--blue-900); }
.hero-badge span { font-size: 0.78rem; color: var(--ink-500); }

.hero-wave { display: block; width: 100%; line-height: 0; margin-top: 46px; }

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; padding-top: 30px; text-align: left; }
  .hero-visual { order: -1; margin-bottom: 10px; min-height: 380px; }
  .hero-visual img { max-height: 360px; }
  .hero-badge { left: 0; bottom: 2%; }
}

/* ---------- Benefícios (barra) ---------- */
.benefits {
  padding: 0;
  transform: translateY(-1px);
}
.benefits-inner {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-top: -56px;
  padding: 30px;
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.benefit-card { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; padding: 12px; border-radius: var(--radius-sm); transition: background 0.2s ease; }
.benefit-card:hover { background: var(--blue-050); }
.benefit-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-050);
  color: var(--blue-700);
  flex: none;
}
.benefit-card strong { font-size: 0.92rem; color: var(--blue-900); font-weight: 700; }

@media (max-width: 940px) {
  .benefits-inner { grid-template-columns: repeat(2, 1fr); margin-top: -40px; }
}
@media (max-width: 520px) {
  .benefits-inner { grid-template-columns: 1fr; }
}

/* ---------- Sobre ---------- */
.about { padding-top: 130px; }
@media (max-width: 940px) { .about { padding-top: 90px; } }
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.about-grid-even { grid-template-columns: 1fr 1fr; align-items: start; }
@media (max-width: 940px) { .about-grid-even { grid-template-columns: 1fr; } }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.about-media .stat-chip {
  position: absolute;
  bottom: -22px; right: -18px;
  background: var(--blue-900);
  color: var(--white);
  padding: 18px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  text-align: center;
  min-width: 130px;
}
.about-media .stat-chip strong { display: block; font-size: 1.7rem; color: var(--yellow-500); font-family: var(--font-display); }
.about-media .stat-chip span { font-size: 0.78rem; color: rgba(255,255,255,0.8); }
.about-copy p { color: var(--ink-500); margin-top: 16px; font-size: 1.03rem; }
.about-copy h2 { margin-top: 14px; }
.about-list { margin-top: 26px; display: grid; gap: 14px; }
.about-list li { display: flex; gap: 12px; align-items: flex-start; font-weight: 600; color: var(--ink-700); }
.about-list svg { color: var(--success); flex: none; margin-top: 2px; }
.about-copy .btn { margin-top: 30px; }

@media (max-width: 940px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-media { max-width: 420px; margin-inline: auto; }
  .about-media .stat-chip { right: 6px; }
}

/* ---------- Serviços ---------- */
.services { background: var(--white); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card {
  background: var(--paper);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
  border: 1px solid transparent;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); background: var(--white); border-color: var(--steel-200); }
.service-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-900));
  color: var(--yellow-500);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.service-card h3 { font-size: 1.08rem; color: var(--blue-900); }
.service-card p { margin-top: 10px; color: var(--ink-500); font-size: 0.92rem; }

@media (max-width: 940px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .services-grid { grid-template-columns: 1fr; } }

/* ---------- Por que escolher ---------- */
.why {
  background: var(--blue-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.why::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(600px 400px at 90% 0%, rgba(255,196,0,0.12), transparent 60%);
}
.why .section-head h2, .why .section-head p { color: var(--white); }
.why .section-head p { color: rgba(255,255,255,0.7); }
.why-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  backdrop-filter: blur(4px);
  transition: background 0.2s ease, transform 0.2s ease;
}
.why-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-4px); }
.why-card .why-icon { color: var(--yellow-500); margin-bottom: 14px; }
.why-card h3 { color: var(--white); font-size: 1.02rem; }
.why-card p { color: rgba(255,255,255,0.68); font-size: 0.88rem; margin-top: 8px; }

@media (max-width: 940px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .why-grid { grid-template-columns: 1fr; } }

/* ---------- Como funciona ---------- */
.how { background: var(--paper); }
.how-track { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 20px; }
.how-track::before {
  content: "";
  position: absolute;
  top: 46px; left: 12%; right: 12%;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--yellow-500) 0 10px, transparent 10px 20px);
}
.how-step { position: relative; text-align: center; }
.how-flame {
  width: 92px; height: 92px;
  margin-inline: auto;
  border-radius: 50%;
  background: var(--white);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  z-index: 2;
  color: var(--red-500);
}
.how-step .step-num {
  position: absolute; top: -6px; right: 26%;
  background: var(--blue-900); color: var(--white);
  font-size: 0.72rem; font-weight: 800;
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  z-index: 3;
}
.how-step h3 { margin-top: 20px; font-size: 1.08rem; }
.how-step p { margin-top: 8px; color: var(--ink-500); font-size: 0.94rem; max-width: 220px; margin-inline: auto; }

@media (max-width: 780px) {
  .how-track { grid-template-columns: 1fr; gap: 46px; }
  .how-track::before { display: none; }
}

/* ---------- Avaliações ---------- */
.reviews { background: var(--white); }
.reviews-summary { display: flex; align-items: center; gap: 18px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.reviews-score { font-family: var(--font-display); font-size: 3rem; font-weight: 800; color: var(--blue-900); }
.reviews-stars { color: var(--yellow-500); display: flex; gap: 4px; }
.reviews-meta { color: var(--ink-500); font-size: 0.92rem; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review-card {
  background: var(--paper);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--steel-200);
}
.review-stars { color: var(--yellow-500); display: flex; gap: 3px; margin-bottom: 14px; }
.review-card p { color: var(--ink-700); font-size: 0.95rem; }
.review-author { display: flex; align-items: center; gap: 10px; margin-top: 18px; }
.review-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--blue-700); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem;
}
.review-author strong { display: block; font-size: 0.88rem; color: var(--blue-900); }
.review-author span { font-size: 0.76rem; color: var(--ink-500); }
.reviews-note { text-align: center; margin-top: 34px; color: var(--ink-500); font-size: 0.9rem; }
.reviews-note a { color: var(--blue-700); font-weight: 700; text-decoration: underline; }

@media (max-width: 940px) { .reviews-grid { grid-template-columns: 1fr; } }

/* ---------- Área de atendimento ---------- */
.coverage { background: var(--blue-050); }
.coverage-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px; align-items: center; }
.coverage-copy .chip-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.coverage-copy .chip {
  background: var(--white); border: 1px solid var(--steel-200);
  padding: 8px 16px; border-radius: var(--radius-pill);
  font-size: 0.86rem; font-weight: 600; color: var(--blue-800);
}
.map-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--steel-200);
  aspect-ratio: 16/11;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }

@media (max-width: 940px) { .coverage-grid { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq { background: var(--white); }
.faq-list { max-width: 780px; margin-inline: auto; display: grid; gap: 14px; }
.faq-item { border: 1px solid var(--steel-200); border-radius: var(--radius-md); overflow: hidden; background: var(--paper); }
.faq-question {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px;
  background: none; border: none;
  text-align: left;
  font-weight: 700;
  font-size: 1rem;
  color: var(--blue-900);
}
.faq-question .icon-plus { flex: none; transition: transform 0.25s ease; color: var(--blue-700); }
.faq-item[open] .faq-question .icon-plus { transform: rotate(45deg); }
.faq-answer { padding: 0 24px 22px; color: var(--ink-500); font-size: 0.95rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary { list-style: none; cursor: pointer; }

/* ---------- CTA final ---------- */
.cta-final {
  background: linear-gradient(120deg, var(--blue-900), var(--blue-700));
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(500px 300px at 50% 0%, rgba(255,196,0,0.18), transparent 60%);
}
.cta-final-inner { position: relative; max-width: 620px; margin-inline: auto; }
.cta-final h2 { color: var(--white); font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
.cta-final p { margin-top: 16px; color: rgba(255,255,255,0.82); font-size: 1.08rem; }
.cta-final .btn { margin-top: 32px; }
.cta-final .btn-whatsapp { padding: 18px 40px; font-size: 1.08rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink-900); color: rgba(255,255,255,0.7); padding-top: 70px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .brand-name { color: var(--white); }
.footer-brand p { margin-top: 14px; font-size: 0.9rem; color: rgba(255,255,255,0.55); max-width: 280px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}
.footer-social a:hover { background: var(--yellow-500); color: var(--blue-900); transform: translateY(-3px); }
.footer-col h4 { color: var(--white); font-size: 0.92rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { font-size: 0.92rem; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--yellow-500); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; }
.footer-contact svg { flex: none; margin-top: 3px; color: var(--yellow-500); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; font-size: 0.8rem; color: rgba(255,255,255,0.45); flex-wrap: wrap; gap: 10px; }
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--yellow-500); }

@media (max-width: 940px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Floating actions ---------- */
.float-whatsapp {
  position: fixed;
  right: 20px; bottom: 22px;
  z-index: 600;
  width: 62px; height: 62px;
  border-radius: 50%;
  background: var(--success);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.float-whatsapp::before {
  content: "";
  position: absolute; inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.55);
  animation: pulse-ring 2.2s ease-out infinite;
}
.float-whatsapp:hover { transform: scale(1.08); box-shadow: 0 16px 34px rgba(37, 211, 102, 0.55); }
@keyframes pulse-ring {
  0% { transform: scale(0.92); opacity: 0.9; }
  80% { transform: scale(1.35); opacity: 0; }
  100% { opacity: 0; }
}

.back-to-top {
  position: fixed;
  right: 20px; bottom: 96px;
  z-index: 600;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--blue-900);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  border: none;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, background 0.2s ease;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--blue-700); }

@media (max-width: 560px) {
  .float-whatsapp { width: 54px; height: 54px; right: 14px; bottom: 16px; }
  .back-to-top { width: 40px; height: 40px; right: 16px; bottom: 82px; }
}

/* ---------- Reveal on scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Utility ---------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}