:root {
  --navy: #0b2545;
  --blue: #0369a1;
  --aqua: #0ea5e9;
  --bg: #f4f9fc;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #5b6b7f;
  --line: #dbe7f0;
  --wa: #1fa855;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  padding-bottom: 64px; /* room for mobile action bar */
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); }
h1, h2, h3 { color: var(--navy); line-height: 1.25; margin: 0 0 .6em; }
h1 { font-size: clamp(1.7rem, 4.5vw, 2.7rem); }
h2 { font-size: clamp(1.4rem, 3.2vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
section { padding: 56px 0; }
.alt { background: #fff; border-block: 1px solid var(--line); }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 60ch; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; border: 0;
  background: var(--blue); color: #fff; font: inherit; font-weight: 600;
  text-decoration: none; cursor: pointer; min-height: 48px;
}
.btn:hover { filter: brightness(1.1); }
.btn-wa { background: var(--wa); }
.btn-ghost { background: transparent; color: var(--navy); border: 2px solid var(--navy); }
.btn-light { background: #fff; color: var(--navy); }
.btn svg { width: 20px; height: 20px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Header */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); }
.logo svg { width: 34px; height: 34px; color: var(--aqua); }
.logo b { display: block; font-size: 1.15rem; }
.logo small { display: block; color: var(--muted); font-size: .78rem; margin-top: -2px; }
.links { display: flex; align-items: center; gap: 22px; }
.links a { text-decoration: none; color: var(--text); font-weight: 500; }
.links a[aria-current="page"] { color: var(--blue); }
.links .btn { color: #fff; padding: 8px 18px; min-height: 40px; }
.menu-btn { display: none; background: none; border: 0; font-size: 1.7rem; color: var(--navy); cursor: pointer; padding: 6px; }

@media (max-width: 860px) {
  .menu-btn { display: block; }
  .links {
    display: none; position: absolute; left: 0; right: 0; top: 68px;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
  }
  .links a { padding: 14px 16px; border-top: 1px solid var(--line); }
  .links .btn { margin: 12px 16px; border-radius: 999px; }
  .nav-open .links { display: flex; }
}

/* Hero */
.hero { background: linear-gradient(135deg, var(--navy), #0c4a6e); color: #dbeafe; padding: 64px 0; }
.hero h1 { color: #fff; }
.hero .lead { color: #cfe6f7; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.hero .badges { display: flex; flex-wrap: wrap; gap: 8px 18px; list-style: none; padding: 0; margin: 20px 0 0; font-size: .95rem; }
.hero .badges li::before { content: "✓ "; color: var(--aqua); font-weight: 700; }
.page-hero { padding: 48px 0; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }

/* Cards */
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; }
.card p { color: var(--muted); }
.card .more { margin-top: auto; font-weight: 600; text-decoration: none; }
.icon { width: 48px; height: 48px; border-radius: 12px; background: #e0f2fe; color: var(--blue); display: grid; place-items: center; margin-bottom: 14px; }
.icon svg { width: 26px; height: 26px; }
.ticks { list-style: none; padding: 0; margin: 0 0 1em; }
.ticks li { padding-left: 28px; position: relative; margin-bottom: 8px; }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--wa); font-weight: 700; }
.steps { counter-reset: s; list-style: none; padding: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.steps li { counter-increment: s; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; margin-bottom: 10px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

/* Areas */
.areas { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.areas li { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-weight: 500; }
.center .areas { justify-content: center; }

/* Form */
.form-card { background: #fff; color: var(--text); border-radius: var(--radius); padding: 26px; box-shadow: 0 10px 30px rgba(11, 37, 69, .18); }
.form-card h2, .form-card h3 { margin-bottom: 4px; }
.form-card .note { color: var(--muted); font-size: .9rem; }
label { display: block; font-weight: 600; font-size: .92rem; margin: 14px 0 6px; }
input, select {
  width: 100%; padding: 12px 14px; border: 1px solid #c3d4e2; border-radius: 10px;
  font: inherit; background: #fff; color: var(--text); min-height: 48px;
}
#area-other { margin-top: 10px; }
input:focus, select:focus { outline: 3px solid #bae6fd; border-color: var(--aqua); }
.form-card .btn { width: 100%; margin-top: 18px; }

/* FAQ */
details { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; margin-bottom: 10px; }
summary { font-weight: 600; cursor: pointer; color: var(--navy); }
details p { margin: 10px 0 0; color: var(--muted); }

/* Map */
.map { width: 100%; height: 360px; border: 0; border-radius: var(--radius); }

/* CTA band */
.cta { background: var(--blue); color: #e0f2fe; text-align: center; }
.cta h2 { color: #fff; }
.cta .btn-row { justify-content: center; }

/* Footer */
footer { background: var(--navy); color: #b8c9dc; padding: 44px 0 24px; font-size: .95rem; }
footer h3 { color: #fff; font-size: 1rem; }
footer a { color: #e0f2fe; text-decoration: none; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: 6px; }
.foot-grid { display: grid; gap: 28px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.copy { border-top: 1px solid #1f3b5c; margin-top: 28px; padding-top: 18px; font-size: .85rem; }

/* Floating WhatsApp (desktop) + action bar (mobile) */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 30;
  width: 60px; height: 60px; border-radius: 50%; background: var(--wa); color: #fff;
  display: grid; place-items: center; box-shadow: 0 6px 18px rgba(0,0,0,.25);
}
.wa-float svg { width: 32px; height: 32px; }
.action-bar { display: none; }
@media (max-width: 860px) {
  .wa-float { display: none; }
  .action-bar {
    display: grid; grid-template-columns: 1fr 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    box-shadow: 0 -4px 14px rgba(0,0,0,.15);
  }
  .action-bar a { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 58px; color: #fff; font-weight: 700; text-decoration: none; background: var(--blue); }
  .action-bar a.wa { background: var(--wa); }
  .action-bar svg { width: 22px; height: 22px; }
}
@media (min-width: 861px) { body { padding-bottom: 0; } }

/* Photos */
.card { overflow: hidden; }
.card-img { width: calc(100% + 48px); max-width: none; margin: -24px -24px 18px; aspect-ratio: 16 / 10; height: auto; object-fit: cover; }
.photo { width: 100%; height: auto; aspect-ratio: 21 / 9; object-fit: cover; border-radius: var(--radius); margin: 8px 0 24px; }
.photo-sm { aspect-ratio: 16 / 9; }
.hero-photo { background: linear-gradient(135deg, rgba(11, 37, 69, .86), rgba(12, 74, 110, .7)), url("img/hero-water-tap.webp") center / cover; }
@media (max-width: 860px) { .photo { aspect-ratio: 16 / 10; } }