:root {
  --navy: #33436e;
  --navy-deep: #26324f;
  --cyan: #03aeef;
  --cyan-soft: #e3f6fd;
  --green: #84c04b;
  --orange: #f38a33;
  --ink: #1d2433;
  --muted: #5d6b82;
  --bg: #ffffff;
  --band: #f4f7fb;
  --line: #e2e8f0;
  --card: #ffffff;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(30, 41, 70, 0.08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.6 var(--font); color: var(--ink); background: var(--bg); }
img { max-width: 100%; height: auto; }
a { color: var(--navy); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(30px, 4.6vw, 48px); letter-spacing: -0.02em; color: var(--navy); }
h2 { font-size: clamp(24px, 3.2vw, 34px); color: var(--navy); }
h3 { font-size: 18px; }
p { margin: 0 0 12px; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.small { font-size: 14px; }
.muted { color: var(--muted); }
.narrow { max-width: 720px; }
.lead { font-size: 18px; color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 13px; font-weight: 700; color: var(--cyan); margin-bottom: 8px; }
.light { color: #dce6f5; }
.eyebrow.light { color: #7fd6f7; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 8px; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 700; text-decoration: none; border: 2px solid transparent; cursor: pointer; font-size: 15px; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-deep); }
.btn-ghost { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-sm { padding: 7px 14px; font-size: 14px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }

/* Encabezado */
.top { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, 0.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.brand img { display: block; width: 96px; height: auto; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; font-weight: 600; color: var(--ink); }
.nav a:not(.btn):hover { color: var(--cyan); }
.nav .btn { color: var(--navy); }
.menu-btn { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.menu-btn span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; transition: transform .2s, opacity .2s; }

section[id] { scroll-margin-top: 84px; } /* el encabezado fijo no tapa el título al navegar */

/* Inicio */
.hero { background: linear-gradient(180deg, var(--cyan-soft) 0%, #fff 85%); padding: 64px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 32px; align-items: center; }
.hero-art svg { width: 100%; max-width: 420px; display: block; margin-inline: auto; }

/* Secciones */
.section { padding: 72px 0; }
.band { background: var(--band); }
.band-navy { background: var(--navy); color: #fff; }
.band-navy h2 { color: #fff; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.svc h3 { color: var(--navy); }
.svc-icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px; }
.svc-icon svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.svc-navy { background: var(--navy); }
.svc-cyan { background: var(--cyan); }
.svc-green { background: var(--green); }
.ticks { list-style: none; padding: 0; margin: 0 0 12px; }
.ticks li { position: relative; padding-left: 22px; margin-bottom: 8px; font-size: 15px; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 9px; width: 9px; height: 9px; border-radius: 50%; background: var(--green); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 24px; }
.why { border-top: 4px solid var(--orange); background: #fff; border-radius: 0 0 var(--radius) var(--radius); padding: 20px; box-shadow: var(--shadow); }
.why h3 { color: var(--navy); font-size: 17px; }
.why p { margin: 0; color: var(--muted); font-size: 15px; }
.values-title { margin-top: 36px; color: var(--navy); }
.values { list-style: none; padding: 0; margin: 12px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.values li { background: var(--band); border-radius: 12px; padding: 14px 16px; font-size: 15px; color: var(--muted); }
.values strong { display: block; color: var(--navy); font-size: 16px; }
.tile { display: block; background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.18); border-radius: var(--radius); padding: 22px; color: #fff; text-decoration: none; transition: background .15s; }
.tile:hover { background: rgba(255, 255, 255, 0.16); }
.tile strong { display: block; font-size: 18px; margin-bottom: 6px; }
.tile span { color: #dce6f5; font-size: 15px; }

/* Contacto */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 16px 0; }
.contact-list li { display: flex; gap: 12px; margin-bottom: 12px; }
.ci { width: 32px; height: 32px; flex: none; border-radius: 50%; background: var(--cyan-soft); color: var(--navy); display: grid; place-items: center; font-size: 16px; }
.form { display: flex; flex-direction: column; gap: 12px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 14px; }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
.form-error { color: #b42318; font-size: 14px; margin: 0; }

/* Pie */
.foot { background: var(--navy-deep); color: #c9d4e8; padding: 40px 0 24px; font-size: 15px; }
.foot a { color: #fff; text-decoration: none; }
.foot a:hover { text-decoration: underline; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 24px; }
.foot-logo { background: #fff; border-radius: 10px; padding: 6px; }
.copy { border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 16px; margin-top: 16px; font-size: 13px; }
.wa-float { position: fixed; right: 18px; bottom: 18px; width: 56px; height: 56px; border-radius: 50%; background: #25d366; display: grid; place-items: center; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2); z-index: 30; }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

@media (max-width: 900px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .cards, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .nav { position: absolute; top: 76px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 16px; border-bottom: 1px solid var(--line); display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 12px; border-bottom: 2px solid var(--navy); }
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .hero { padding: 40px 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .tile { transition: none; }
}