/* ==========================================================================
   Impactus Limpeza — estilos base (compartilhados entre todas as páginas)
   ========================================================================== */

:root {
  --ink: #14181f;
  --ink-2: #1d2330;
  --paper: #faf8f4;
  --card: #ffffff;
  --text: #1b1f27;
  --muted: #6b7280;
  --border: #e8e2d6;

  --gold: #a9824f;
  --gold-light: #d9b783;
  --gold-dark: #86673d;

  --cyan: #0aa9c0;
  --cyan-dark: #087f91;
  --cyan-light: #6fe0ef;

  --whatsapp: #25d366;
  --whatsapp-dark: #1da851;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 45px -25px rgba(20, 24, 31, 0.35);
  --shadow-sm: 0 10px 25px -15px rgba(20, 24, 31, 0.3);

  --font-heading: "Playfair Display", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  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-heading);
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

svg { width: 20px; height: 20px; flex-shrink: 0; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: clamp(56px, 8vw, 96px) 0;
}

/* ---------- Botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 12px 24px -12px rgba(37, 211, 102, 0.6);
}
.btn-whatsapp:hover { background: var(--whatsapp-dark); }

.btn-cyan {
  background: var(--cyan);
  color: #fff;
  box-shadow: 0 12px 24px -12px rgba(10, 169, 192, 0.55);
}
.btn-cyan:hover { background: var(--cyan-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold-dark); }

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}
.btn-outline-light:hover { border-color: #fff; }

.btn-block { width: 100%; justify-content: center; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand .mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--gold-light);
  flex-shrink: 0;
}
.brand .mark img { width: 100%; height: 100%; object-fit: cover; }

.brand small {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.7rem;
  color: var(--gold-light);
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  flex-wrap: nowrap;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.92rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.15s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
}

/* ---------- Layout genérico ---------- */

.two-col {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.section-head {
  max-width: 640px;
  margin-bottom: 40px;
}
.section-head.center {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gold-dark);
  margin: 0 0 12px;
}

.section-lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 12px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat b { font-family: var(--font-heading); font-size: 1.3rem; color: var(--ink); }
.stat span { font-size: 0.85rem; color: var(--muted); }

/* ---------- Hero base ---------- */

.hero-home,
.hero-posobra,
.hero-vidro {
  padding-top: clamp(56px, 8vw, 96px);
  padding-bottom: clamp(48px, 7vw, 80px);
  background: linear-gradient(180deg, #fff 0%, var(--paper) 100%);
}

.media-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.media-frame.gold-tone { background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%); }
.media-frame.cyan-tone { background: linear-gradient(135deg, var(--cyan-light) 0%, var(--cyan-dark) 100%); }

.media-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.92rem;
  font-weight: 600;
  text-align: center;
  padding: 24px;
}
.media-label svg { width: 34px; height: 34px; }

.solution-badge {
  position: absolute;
  left: 20px;
  bottom: -20px;
  background: var(--card);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.solution-badge svg { color: var(--gold); }
.solution-badge span { display: flex; flex-direction: column; gap: 1px; }
.solution-badge b { font-size: 0.95rem; color: var(--ink); }
.solution-badge span span { font-size: 0.78rem; color: var(--muted); font-weight: 400; }

.solution-media { position: relative; margin-bottom: 24px; }
.solution-media.tone-cyan .solution-badge svg { color: var(--cyan); }

/* ---------- Check list ---------- */

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.check-list li:last-child { border-bottom: none; }
.check-list svg { color: var(--gold); margin-top: 2px; }

/* ---------- Cards genéricos ---------- */

.grid {
  display: grid;
  gap: 24px;
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 16px;
}
.icon-tile.gold { background: rgba(169, 130, 79, 0.14); color: var(--gold-dark); }
.icon-tile.cyan { background: rgba(10, 169, 192, 0.14); color: var(--cyan-dark); }
.icon-tile.ink { background: rgba(20, 24, 31, 0.08); color: var(--ink); }

.card p { color: var(--muted); margin: 0; }

/* ---------- Problem section ---------- */

.problem-section {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.9);
}
.problem-section .section-title,
.problem-section .eyebrow { color: #fff; }
.problem-section .eyebrow { color: var(--gold-light); }
.problem-section.tone-cyan .eyebrow { color: var(--cyan-light); }
.problem-section .section-lead { color: rgba(255, 255, 255, 0.65); }

.problem-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 26px;
}
.problem-card .num {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--gold-light);
  margin-bottom: 10px;
}
.problem-section.tone-cyan .problem-card .num { color: var(--cyan-light); }
.problem-card h3 { color: #fff; font-size: 1.05rem; }
.problem-card p { color: rgba(255, 255, 255, 0.65); margin: 0; }

/* ---------- Steps ---------- */

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.steps-list.narrow { max-width: 760px; }

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
}
.step .num {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gold);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
}
.step h3 { color: var(--ink); margin-bottom: 4px; font-size: 1rem; }
.step p { color: var(--muted); margin: 0; }

/* Variante escura: quando os passos aparecem dentro de uma problem-section */
.problem-section .step {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}
.problem-section .step h3 { color: #fff; }
.problem-section .step p { color: rgba(255, 255, 255, 0.65); }

/* ---------- Trust section ---------- */

.trust-section { background: var(--paper); }
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
}
.trust-item svg { color: var(--gold); }
.trust-note {
  text-align: center;
  color: var(--muted);
  max-width: 620px;
  margin: 24px auto 0;
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  align-items: stretch;
}
.trust-logo {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  width: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 16px 14px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.trust-logo:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.trust-logo img {
  max-width: 100%;
  max-height: 40px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.trust-logo span {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
  line-height: 1.3;
}
.trust-logo .icon-fallback {
  width: 34px;
  height: 34px;
  color: var(--gold-dark);
}

/* ---------- Área de atuação ---------- */

.area-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.area-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.area-card h4 { margin: 0 0 12px; font-family: var(--font-body); font-weight: 700; font-size: 0.95rem; }
.area-card li { padding: 4px 0; color: var(--muted); font-size: 0.92rem; }

/* ---------- FAQ ---------- */

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  color: var(--ink);
  font-size: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease;
}
.faq-icon::before { width: 12px; height: 2px; }
.faq-icon::after { width: 2px; height: 12px; }
.faq-item[open] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-item p { color: var(--muted); margin: 12px 0 0; }

/* ---------- CTA banner ---------- */

.cta-banner {
  border-radius: var(--radius);
  padding: 48px clamp(24px, 5vw, 64px);
  text-align: center;
}
.cta-banner.tone-gold { background: linear-gradient(135deg, var(--ink) 0%, #2a2116 100%); }
.cta-banner.tone-cyan { background: linear-gradient(135deg, var(--ink) 0%, #0c2a30 100%); }
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255, 255, 255, 0.7); max-width: 520px; margin: 0 auto 24px; }
.cta-banner .hero-actions { justify-content: center; margin-bottom: 0; }

/* ---------- Contato ---------- */

.contact-direct {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}
.contact-direct a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--ink);
}
.contact-direct .ic {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(169, 130, 79, 0.12);
  color: var(--gold-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 16px; }
.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: #fff;
  color: var(--text);
}
.form-row textarea { min-height: 100px; resize: vertical; }
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--gold);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-about .brand { color: #fff; margin-bottom: 14px; }
.footer-about p { font-size: 0.9rem; color: rgba(255, 255, 255, 0.55); }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.footer-col h4 {
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  margin-bottom: 14px;
}
.footer-col li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 5px 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
}
.footer-col svg { width: 16px; height: 16px; margin-top: 2px; color: var(--gold-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 20px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- Botão flutuante do WhatsApp ---------- */

.whatsapp-float {
  display: flex;
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 28px -10px rgba(37, 211, 102, 0.7);
  z-index: 90;
  animation: whatsapp-pulse 2.4s ease-out infinite;
}
.whatsapp-float svg { width: 28px; height: 28px; }

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float { animation: none; }
}

@keyframes whatsapp-pulse {
  0% { box-shadow: 0 14px 28px -10px rgba(37, 211, 102, 0.7), 0 0 0 0 rgba(37, 211, 102, 0.55); }
  70% { box-shadow: 0 14px 28px -10px rgba(37, 211, 102, 0.7), 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 14px 28px -10px rgba(37, 211, 102, 0.7), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ---------- Faixa de CTA no meio da página ---------- */

.cta-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: var(--ink);
  border-radius: var(--radius);
  padding: 22px 28px;
}
.cta-strip p {
  margin: 0;
  color: #fff;
  font-weight: 600;
  font-size: 1.05rem;
}
.cta-strip .btn { flex-shrink: 0; }

/* ---------- Animação de entrada ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsivo ---------- */

/* Cabeçalho: a partir daqui o menu completo não cabe mais em uma linha,
   então trocamos para o menu hambúrguer bem antes do layout de coluna única. */
@media (max-width: 1080px) {
  .brand small { display: none; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ink);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { width: 100%; padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.06); white-space: normal; }
  .nav-toggle { display: flex; }
  .header-actions .btn-whatsapp .long,
  .header-actions .btn-cyan .long { display: none; }
  .header-actions .btn { padding: 12px; }
}

@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .two-col > [style*="order:2"] { order: -1 !important; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .area-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .whatsapp-float { width: 54px; height: 54px; right: 14px; bottom: 14px; }
  .whatsapp-float svg { width: 25px; height: 25px; }
}

@media (max-width: 400px) {
  .site-header .container { gap: 10px; }
  .brand { font-size: 0.92rem; }
  .brand .mark { width: 38px; height: 38px; }
  .header-actions { gap: 8px; }
  .header-actions .btn { padding: 10px; }
  .container { padding: 0 16px; }
}