/* ==========================================================================
   Rei dos Usados Informática — Design System
   ========================================================================== */

:root {
  /* Paleta extraída do logo */
  --green-dark: #1E5C2F;
  --green-primary: #2D7D46;
  --green-secondary: #3E8E52;
  --green-light: #8AA63C;
  --green-pale: #EAF3E4;
  --gold: #C9A227;
  --gold-light: #E0C15C;
  --gold-dark: #A6841C;
  --cream: #FAF8F0;
  --white: #FFFFFF;
  --text: #24291F;
  --text-light: #5B6459;
  --border: #E1E5DA;
  --danger: #C0392B;

  --shadow-sm: 0 2px 8px rgba(30, 92, 47, 0.08);
  --shadow-md: 0 8px 24px rgba(30, 92, 47, 0.12);
  --shadow-lg: 0 16px 40px rgba(30, 92, 47, 0.18);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --container: 1180px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Poppins', 'Inter', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1.2;
}

.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(--gold-dark);
  background: #FBF3DC;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.section {
  padding: 88px 0;
}

.section-header {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-header h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom: 14px;
}

.section-header p {
  color: var(--text-light);
  font-size: 1.05rem;
}

.section--alt { background: var(--green-pale); }
.section--dark {
  background: linear-gradient(155deg, var(--green-dark), var(--green-primary));
  color: var(--white);
}
.section--dark h2, .section--dark .section-header p { color: var(--white); }
.section--dark .section-header p { color: rgba(255,255,255,0.82); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gold);
  color: var(--green-dark);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn--outline {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}
.btn--outline:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }

.btn--outline-dark {
  background: transparent;
  border: 2px solid var(--green-primary);
  color: var(--green-primary);
}
.btn--outline-dark:hover { background: var(--green-pale); transform: translateY(-2px); }

.btn--whatsapp {
  background: #25D366;
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn--whatsapp:hover { background: #1EBE57; transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn--block { width: 100%; }
.btn--sm { padding: 10px 18px; font-size: 0.85rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

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

.brand img { height: 52px; width: auto; border-radius: 8px; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--green-dark);
  font-weight: 800;
}

.brand-text span {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-dark);
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  position: relative;
  padding: 6px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.2s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }

.main-nav a.active { color: var(--green-primary); }

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  flex-shrink: 0;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--green-dark);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20, 30, 20, 0.45);
  z-index: 99;
}
.site-header.nav-open .nav-backdrop { display: block; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--green-dark) 0%, var(--green-primary) 55%, var(--green-light) 130%);
  color: var(--white);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 85% 20%, rgba(201,162,39,0.25), transparent 45%),
                     radial-gradient(circle at 10% 90%, rgba(255,255,255,0.08), transparent 40%);
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding-top: 88px;
  padding-bottom: 88px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 22px;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 4.2vw, 3.3rem);
  margin-bottom: 20px;
}

.hero h1 #contentHeroTitleHighlight { color: var(--gold-light); }

.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.86);
  max-width: 500px;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-stats div strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--gold-light);
}

.hero-stats div span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(6px);
  width: 100%;
  max-width: 380px;
}

.hero-card .badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.badge-pill {
  background: var(--gold);
  color: var(--green-dark);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-card ul { display: flex; flex-direction: column; gap: 14px; margin-top: 10px; }

.hero-card li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.92);
}

.hero-card li .icn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(224,193,92,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---------- Trust bar ---------- */
.trust-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.trust-bar .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 28px;
  padding-bottom: 28px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 200px;
}
.trust-item .icn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--green-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-primary);
  flex-shrink: 0;
}
.trust-item strong { display: block; font-size: 0.92rem; color: var(--green-dark); }
.trust-item span { font-size: 0.8rem; color: var(--text-light); }

/* ---------- Cards / Grid ---------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.feature-card .icn {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  background: var(--green-pale);
  color: var(--green-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-light); font-size: 0.92rem; }

/* ---------- Category cards ---------- */
.cat-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(155deg, var(--green-dark), var(--green-secondary));
  color: var(--white);
  padding: 30px 26px;
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 0.2s ease;
}
.cat-card:hover { transform: translateY(-4px); }
.cat-card .icn { width: 44px; height: 44px; margin-bottom: auto; opacity: 0.9; }
.cat-card h3 { color: var(--white); font-size: 1.15rem; margin-bottom: 6px; }
.cat-card span { font-size: 0.82rem; color: rgba(255,255,255,0.78); }
.cat-card.cat--gold { background: linear-gradient(155deg, var(--gold-dark), var(--gold)); }

/* ---------- Product cards ---------- */
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }

.product-thumb {
  position: relative;
  background: var(--green-pale);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-primary);
}
.product-thumb svg { width: 46%; height: 46%; }
.product-thumb.has-photo { padding: 0; overflow: hidden; }
.product-thumb.has-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-condition {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--white);
  border: 1px solid var(--border);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--green-primary);
}

.product-tag-sale {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--danger);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.product-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.product-cat {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold-dark);
}

.product-body h3 { font-size: 1.05rem; color: var(--text); }

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 2px 0 6px;
}
.product-specs span {
  background: var(--cream);
  border: 1px solid var(--border);
  font-size: 0.74rem;
  color: var(--text-light);
  padding: 3px 9px;
  border-radius: 6px;
}

.product-price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: auto;
}
.price-old {
  font-size: 0.85rem;
  color: var(--text-light);
  text-decoration: line-through;
}
.price-new {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--green-dark);
}
.price-install { font-size: 0.78rem; color: var(--text-light); }

.product-actions { display: flex; gap: 10px; margin-top: 14px; }

/* ---------- Filters ---------- */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 44px;
}
.filter-btn {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--white);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-light);
  transition: all 0.15s ease;
}
.filter-btn:hover { border-color: var(--green-primary); color: var(--green-primary); }
.filter-btn.active {
  background: var(--green-primary);
  border-color: var(--green-primary);
  color: var(--white);
}

/* ---------- Page hero (interna) ---------- */
.page-hero {
  background: linear-gradient(155deg, var(--green-dark), var(--green-primary));
  color: var(--white);
  padding: 64px 0 56px;
  text-align: center;
}
.page-hero h1 { color: var(--white); font-size: clamp(1.9rem, 3.4vw, 2.6rem); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--gold-light); font-weight: 600; }

/* ---------- Testimonials ---------- */
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}
.testimonial-stars { color: var(--gold); font-size: 0.9rem; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-card p { color: var(--text); font-size: 0.95rem; margin-bottom: 18px; }
.testimonial-person { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--green-pale);
  color: var(--green-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-display);
}
.testimonial-person strong { display: block; font-size: 0.9rem; }
.testimonial-person span { font-size: 0.78rem; color: var(--text-light); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--gold-dark), var(--gold));
  border-radius: var(--radius-lg);
  padding: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  color: var(--green-dark);
}
.cta-band h2 { color: var(--green-dark); font-size: 1.7rem; margin-bottom: 8px; }
.cta-band p { color: rgba(30,92,47,0.85); }

/* ---------- About page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-visual {
  background: linear-gradient(155deg, var(--green-dark), var(--green-light));
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--white);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
}
.about-visual .stat { display: flex; align-items: baseline; gap: 10px; }
.about-visual .stat strong { font-family: var(--font-display); font-size: 2.2rem; color: var(--gold-light); }
.about-visual .stat span { font-size: 0.9rem; color: rgba(255,255,255,0.85); }

.timeline { display: flex; flex-direction: column; gap: 0; }
.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding-bottom: 32px;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 105px;
  top: 28px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline-item:last-child::before { display: none; }
.timeline-year { font-family: var(--font-display); font-weight: 800; color: var(--gold-dark); }
.timeline-item h4 { margin-bottom: 6px; font-size: 1rem; }
.timeline-item p { color: var(--text-light); font-size: 0.9rem; }

.value-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.value-card .icn {
  width: 46px; height: 46px; border-radius: var(--radius-sm);
  background: var(--green-pale); color: var(--green-primary);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.value-card h4 { font-size: 1rem; margin-bottom: 4px; }
.value-card p { color: var(--text-light); font-size: 0.88rem; }

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.contact-info-card {
  background: var(--green-pale);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.contact-info-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-info-item .icn {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--white); color: var(--green-primary);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-info-item strong { display: block; font-size: 0.92rem; margin-bottom: 3px; }
.contact-info-item span, .contact-info-item p { font-size: 0.86rem; color: var(--text-light); }

.map-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 220px;
}

.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.form-group label { font-size: 0.86rem; font-weight: 600; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.92rem;
  background: var(--cream);
  transition: border-color 0.15s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-primary);
  background: var(--white);
}
.form-note { font-size: 0.8rem; color: var(--text-light); margin-top: 6px; }
.form-success {
  display: none;
  background: var(--green-pale);
  border: 1px solid var(--green-light);
  color: var(--green-dark);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-top: 16px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  color: var(--green-dark);
  font-size: 0.98rem;
}
.faq-question .plus { transition: transform 0.2s ease; color: var(--gold-dark); font-size: 1.3rem; }
.faq-item.open .plus { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  color: var(--text-light);
  font-size: 0.9rem;
}
.faq-item.open .faq-answer { max-height: 200px; padding-top: 12px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--green-dark);
  color: rgba(255,255,255,0.85);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand img { height: 42px; border-radius: 6px; }
.footer-brand strong { font-family: var(--font-display); color: var(--white); font-size: 1rem; }
.footer-col p { font-size: 0.88rem; color: rgba(255,255,255,0.7); margin-bottom: 18px; }
.footer-col h4 { color: var(--white); font-size: 0.92rem; margin-bottom: 18px; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 0.88rem; color: rgba(255,255,255,0.72); transition: color 0.15s ease; }
.footer-col a:hover { color: var(--gold-light); }
.footer-social { display: flex; gap: 10px; margin-top: 6px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
}
.footer-social a:hover { background: var(--gold); color: var(--green-dark); }
.footer-bottom {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
}

@media (max-width: 720px) {
  .site-header .container { height: 72px; }
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 12px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
  .site-header.nav-open .main-nav a {
    padding: 14px 12px;
    width: 100%;
    border-radius: var(--radius-sm);
  }
  .site-header.nav-open .main-nav a:active,
  .site-header.nav-open .main-nav a.active { background: var(--green-pale); }
  .site-header.nav-open .main-nav a::after { display: none; }

  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; }
  .section { padding: 56px 0; }
  .trust-bar .container { justify-content: center; text-align: center; }

  .whatsapp-float { width: 54px; height: 54px; bottom: 18px; right: 18px; }
  .filters-bar { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 6px; -webkit-overflow-scrolling: touch; }
  .filter-btn { flex-shrink: 0; }
}

@media (max-width: 480px) {
  .brand-text span { display: none; }
  .brand img { height: 42px; }
  .header-actions { gap: 8px; }
  .btn--whatsapp.btn--sm .btn-label { display: none; }
  .btn--whatsapp.btn--sm { padding: 10px; }
  .hero-card { padding: 22px; }
  .hero-stats { gap: 20px; }
  .modal-card { padding: 22px; }
  .image-upload-box { flex-direction: column; }
}