:root {
  --primary: #0f5660;
  --primary-dark: #0b4048;
  --bg: #f7f9fa;
  --text: #1d2730;
  --muted: #64707b;
  --white: #ffffff;
  --border: #d9e0e3;
  --shadow: 0 12px 30px rgba(15, 86, 96, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.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);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 0; }
.brand-logo { height: 58px; width: auto; }
.main-nav { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; font-size: 0.95rem; }
.main-nav a { color: var(--text); }
.main-nav a:hover { color: var(--primary); }
.hero { background: linear-gradient(180deg, #f7fbfc 0%, #ffffff 100%); padding: 72px 0 56px; }
.hero-grid, .coverage-grid, .form-grid, .tools-grid { display: grid; gap: 28px; }
.hero-grid { grid-template-columns: 1.4fr 0.9fr; align-items: center; }
.eyebrow { color: var(--primary); font-weight: 700; letter-spacing: 0.12em; font-size: 0.78rem; text-transform: uppercase; margin: 0 0 10px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(2rem, 4vw, 3.3rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.1rem; }
.lead { font-size: 1.08rem; max-width: 690px; color: var(--muted); }
.microcopy { font-size: 0.92rem; color: var(--muted); max-width: 760px; margin-top: 14px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 18px; border-radius: 999px; font-weight: 700;
  border: 1px solid transparent;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { border-color: var(--primary); color: var(--primary); background: white; }
.hero-card, .card, .tool-card, .map-card, .contact-form, .faq-list details {
  background: white; border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow);
}
.hero-card { padding: 24px; }
.hero-card ol { padding-left: 18px; margin: 0; }
.section { padding: 72px 0; }
.section.alt { background: var(--bg); }
.section-heading { max-width: 760px; margin-bottom: 28px; }
.section-heading.left { margin-bottom: 20px; }
.cards { display: grid; gap: 20px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.card { padding: 22px; }
.card p { margin: 0; color: var(--muted); }
.service-list { display: flex; flex-wrap: wrap; gap: 12px; }
.service-list span {
  background: white; border: 1px solid var(--border); border-radius: 999px;
  padding: 10px 14px; box-shadow: var(--shadow); font-weight: 600;
}
.coverage-grid { grid-template-columns: 1fr 0.95fr; align-items: center; }
.city-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px 18px; padding-left: 18px; }
.map-card { padding: 20px; }
.map-image { width: 100%; height: auto; }
.tools-grid { grid-template-columns: repeat(2, 1fr); }
.tool-card { padding: 24px; }
.value-list { display: grid; gap: 12px; margin-top: 16px; }
.value-list div { display: flex; justify-content: space-between; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.news-list { margin: 0; padding-left: 18px; }
.faq-list { display: grid; gap: 14px; }
.faq-list details { padding: 18px 20px; }
.faq-list summary { cursor: pointer; font-weight: 700; }
.form-grid { grid-template-columns: 0.95fr 1.05fr; align-items: start; }
.contact-form { padding: 24px; display: grid; gap: 14px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 13px 14px; border-radius: 12px; border: 1px solid var(--border);
  font: inherit;
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.site-footer { background: #0d1a1d; color: white; padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.footer-inner a { color: white; }
.whatsapp-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 90;
  background: #25d366; color: white; padding: 14px 16px; border-radius: 999px; font-weight: 700;
  box-shadow: 0 12px 24px rgba(0,0,0,0.18);
}
@media (max-width: 980px) {
  .hero-grid, .coverage-grid, .form-grid, .tools-grid, .cards.three, .cards.four { grid-template-columns: 1fr 1fr; }
  .header-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 720px) {
  .hero-grid, .coverage-grid, .form-grid, .tools-grid, .cards.three, .cards.four { grid-template-columns: 1fr; }
  .main-nav { gap: 12px; }
  .brand-logo { height: 52px; }
  .city-list { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}