/* Landing pública de CEDARBOT (estática, sin build). Servida por nginx en su propio subdominio
   (nginx/landing.conf.template). Mobile-first; claro/oscuro según el sistema. */
:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --ink: #1d2420;
  --muted: #5d6b63;
  --line: #e2e6e3;
  --accent: #2f6b4f;
  --accent-ink: #ffffff;
  --accent-soft: #e5f0ea;
  --estimate: #8a6d1f;
  --estimate-soft: #f6efdc;
  --radius: 14px;
  --max: 1040px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111513;
    --surface: #1a1f1c;
    --ink: #e7ece9;
    --muted: #9aa8a0;
    --line: #2a312d;
    --accent: #6fbf94;
    --accent-ink: #0f1a14;
    --accent-soft: #1f3128;
    --estimate: #d9b65e;
    --estimate-soft: #2e2a1c;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
img, svg { max-width: 100%; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

/* --- header --- */
.top {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 800; letter-spacing: .08em; color: var(--ink); text-decoration: none; }
.brand span { color: var(--accent); }
.nav { display: flex; gap: 18px; align-items: center; }
.nav a.link { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav a.link:hover { color: var(--ink); }
@media (max-width: 640px) { .nav a.link { display: none; } }

.btn {
  display: inline-block; padding: 10px 18px; border-radius: 10px;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 650; text-decoration: none; border: 1px solid var(--accent);
}
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.lg { padding: 13px 22px; font-size: 17px; }

/* --- hero --- */
.hero { padding: 64px 0 40px; display: grid; gap: 40px; align-items: center; }
@media (min-width: 880px) { .hero { grid-template-columns: 1.1fr .9fr; padding: 88px 0 56px; } }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 650; letter-spacing: .04em;
  color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 99px;
}
h1 { font-size: clamp(32px, 6vw, 50px); line-height: 1.1; margin: 16px 0; letter-spacing: -.02em; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.fine { font-size: 13px; color: var(--muted); margin-top: 14px; }

/* tarjeta de ejemplo */
.demo {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: 0 10px 30px -18px rgba(0,0,0,.25);
}
.demo .lbl { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.demo .totals { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 10px 0 18px; }
.demo .tot { border-radius: 10px; padding: 12px; }
.demo .tot b { display: block; font-size: 22px; font-variant-numeric: tabular-nums; }
.demo .tot.ok { background: var(--accent-soft); }
.demo .tot.ok b { color: var(--accent); }
.demo .tot.est { background: var(--estimate-soft); }
.demo .tot.est b { color: var(--estimate); }
.demo ul { list-style: none; margin: 0; padding: 0; }
.demo li {
  display: flex; justify-content: space-between; gap: 8px; padding: 9px 0;
  border-top: 1px solid var(--line); font-size: 15px; font-variant-numeric: tabular-nums;
}
.tag { font-size: 12px; padding: 2px 8px; border-radius: 99px; white-space: nowrap; }
.tag.ok { background: var(--accent-soft); color: var(--accent); }
.tag.est { background: var(--estimate-soft); color: var(--estimate); }
.demo .note { font-size: 12px; color: var(--muted); margin: 12px 0 0; }

/* --- secciones --- */
section { padding: 48px 0; }
h2 { font-size: clamp(24px, 4vw, 32px); margin: 0 0 8px; letter-spacing: -.01em; }
.sub { color: var(--muted); margin: 0 0 28px; max-width: 40em; }
.grid { display: grid; gap: 16px; }
@media (min-width: 720px) { .grid.c3 { grid-template-columns: repeat(3, 1fr); } .grid.c2 { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.step { counter-increment: step; }
.step h3::before {
  content: counter(step); display: inline-grid; place-items: center;
  width: 28px; height: 28px; margin-right: 10px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink); font-size: 14px;
}
.steps { counter-reset: step; }

details {
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 18px; margin-bottom: 10px;
}
summary { cursor: pointer; font-weight: 650; }
details p { color: var(--muted); margin: 10px 0 0; }

.band {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 24px; text-align: center;
}
.band p { color: var(--muted); margin: 0 0 20px; }

/* --- footer --- */
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; margin-top: 32px; font-size: 14px; color: var(--muted); }
footer .links { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 12px; }
footer .links a { color: var(--ink); text-decoration: none; }
footer p { margin: 6px 0; max-width: 60em; }

/* --- páginas legales --- */
.legal { max-width: 760px; padding: 40px 16px 24px; margin: 0 auto; }
.legal h1 { font-size: clamp(28px, 5vw, 38px); }
.legal h2 { font-size: 21px; margin: 34px 0 8px; }
.legal p, .legal li { color: var(--ink); }
.legal .meta { color: var(--muted); font-size: 14px; }
.legal .box {
  background: var(--accent-soft); border-radius: 12px; padding: 14px 18px; margin: 20px 0;
}
.legal .box p { margin: 0; }

/* --- formulario de contacto --- */
.form { display: grid; gap: 16px; margin-top: 24px; }
.form label { display: grid; gap: 6px; }
.form label span { font-weight: 600; font-size: 15px; }
.form em { font-weight: 400; color: var(--muted); font-style: normal; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
.form .btn { justify-self: start; cursor: pointer; font: inherit; font-weight: 650; }
.form .btn:disabled { opacity: .6; cursor: wait; }
.form .hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 0; min-height: 1.5em; }
.form-status.ok { color: var(--accent); }
.form-status.err { color: #b3261e; }
@media (prefers-color-scheme: dark) { .form-status.err { color: #f2b8b5; } }