/* JAHI · estilos de la web. Paleta y reglas: Brand Book 2.0 */
:root {
  --graphite-900: #1E2022;
  --graphite-700: #2B2E31;
  --tobacco: #9C7E5F;
  --tobacco-dark: #7A6149;
  --oat: #EADFCB;
  --limestone: #E7E1D6;
  --greige: #A7A39A;
  --white: #FFFFFF;
  --ok: #2F6B3F;
  --error: #A33A2C;
  --radius: 14px;
  --max: 1160px;
  /* Sora y Urbanist (fuentes oficiales) se pueden alojar aquí más adelante; de momento, fuentes del sistema */
  --font-display: "Sora", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-text: "Urbanist", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-text);
  font-size: 17px;
  line-height: 1.55;
  color: var(--graphite-900);
  background: var(--white);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--graphite-900); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--oat); padding: 8px 12px; z-index: 100; }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); text-transform: uppercase; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.eyebrow { font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: .82rem; color: var(--tobacco-dark); margin-bottom: .6em; display: block; }
.lead { font-size: 1.15rem; color: var(--graphite-700); }

/* Botones: fondo Graphite y texto Pale Oat (contraste 12,4:1) */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .85em 1.4em; border-radius: 999px; border: 2px solid var(--graphite-900);
  font-weight: 700; font-size: 1rem; text-decoration: none; cursor: pointer;
  font-family: var(--font-text); transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible, a:focus-visible, input:focus-visible, button:focus-visible { outline: 3px solid var(--tobacco); outline-offset: 2px; }
.btn-primary { background: var(--graphite-900); color: var(--oat); }
.btn-primary:hover { background: var(--graphite-700); }
.btn-ghost { background: transparent; color: var(--graphite-900); }
.btn-ghost:hover { background: var(--limestone); }
.btn-light { background: var(--oat); color: var(--graphite-900); border-color: var(--oat); }
.btn[disabled] { opacity: .6; cursor: wait; }

/* Cabecera */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--limestone); backdrop-filter: blur(6px); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo img { height: 30px; width: auto; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { text-decoration: none; font-weight: 600; }
.nav a:not(.btn):hover { color: var(--tobacco-dark); }
.nav .btn { padding: .55em 1.1em; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--graphite-900); margin: 5px 0; }

/* Hero */
.hero { background: var(--limestone); padding: 64px 0 72px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero .slogan { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--tobacco-dark); margin-bottom: 1em; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 1.6em 0 1.2em; }
.hero-media img { border-radius: var(--radius); background: var(--white); box-shadow: 0 20px 40px rgba(30,32,34,.12); }
.badges { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 0; margin: 0; list-style: none; font-size: .95rem; color: var(--graphite-700); }
.badges li::before { content: "✓"; color: var(--tobacco-dark); font-weight: 800; margin-right: 6px; }

/* Secciones */
section { padding: 80px 0; }
.section-alt { background: #F6F3EE; }
.section-head { max-width: 720px; margin-bottom: 40px; }

/* Beneficios */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card { background: var(--white); border: 1px solid var(--limestone); border-radius: var(--radius); padding: 26px; }
.card .num { font-family: var(--font-display); font-weight: 800; color: var(--tobacco-dark); font-size: .95rem; margin-bottom: 8px; display: block; }
.card p { margin: 0; color: var(--graphite-700); font-size: .98rem; }

/* Galería */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery img { border-radius: 10px; border: 1px solid var(--limestone); aspect-ratio: 1632 / 1876; object-fit: cover; }

/* Ficha técnica */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split img { border-radius: var(--radius); }
.specs { width: 100%; border-collapse: collapse; font-size: .97rem; }
.specs th, .specs td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--limestone); vertical-align: top; }
.specs th { width: 42%; font-weight: 700; }
.note { font-size: .85rem; color: var(--graphite-700); margin-top: 12px; }

/* Banda garantía */
.band { background: var(--graphite-900); color: var(--oat); }
.band h2 { color: var(--white); }
.band p { color: var(--oat); }
.band .wrap { display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: center; }
.band .big { font-family: var(--font-display); font-size: clamp(3rem, 8vw, 5.5rem); font-weight: 800; line-height: 1; color: var(--oat); }
.band .big small { display: block; font-size: 1rem; font-weight: 600; letter-spacing: .04em; margin-top: 8px; }

/* FAQ */
details { border-bottom: 1px solid var(--limestone); padding: 16px 0; }
summary { font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--tobacco-dark); }
details[open] summary::after { content: "–"; }
details p { margin: 10px 0 0; color: var(--graphite-700); }

/* Formularios */
.form-card { background: var(--white); border: 1px solid var(--limestone); border-radius: var(--radius); padding: 32px; box-shadow: 0 10px 30px rgba(30,32,34,.06); }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; }
.field .hint { font-size: .85rem; color: var(--graphite-700); margin-top: 4px; }
input[type=text], input[type=email], input[type=date] {
  width: 100%; padding: 12px 14px; font: inherit; border: 1.5px solid var(--greige); border-radius: 10px; background: var(--white); color: var(--graphite-900);
}
input:focus { border-color: var(--graphite-900); }
.check { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 14px; font-size: .95rem; }
.check input { margin-top: 4px; width: 18px; height: 18px; flex: none; accent-color: var(--graphite-900); }
.hp { position: absolute; left: -9999px; }
.form-msg { margin-top: 16px; padding: 14px 16px; border-radius: 10px; font-weight: 600; }
.form-msg.ok { background: #E3EEDF; color: var(--ok); }
.form-msg.error { background: #F4E1DE; color: var(--error); }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; }
.inline-form input[type=email] { flex: 1 1 260px; }
.legal-small { font-size: .82rem; color: var(--graphite-700); margin-top: 12px; }
.band .legal-small, .band .legal-small a { color: var(--oat); }

/* Páginas interiores */
.page-hero { background: var(--limestone); padding: 56px 0 40px; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0 0 24px; }
.steps li { counter-increment: s; position: relative; padding-left: 44px; margin-bottom: 16px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: -2px; width: 30px; height: 30px; border-radius: 50%; background: var(--graphite-900); color: var(--oat); font-weight: 800; display: grid; place-items: center; font-size: .9rem; }
.legal-text { max-width: 820px; }
.legal-text h2 { font-size: 1.3rem; margin-top: 1.8em; }
.draft { background: #F3E3C3; border-radius: 10px; padding: 12px 16px; font-size: .92rem; margin-bottom: 24px; }

/* Pie */
.site-footer { background: var(--graphite-900); color: var(--oat); padding: 48px 0 32px; font-size: .95rem; }
.site-footer a { color: var(--oat); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; margin-bottom: 28px; }
.footer-grid img { height: 28px; width: auto; margin-bottom: 12px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 6px; }
.copy { border-top: 1px solid var(--graphite-700); padding-top: 18px; font-size: .85rem; color: var(--greige); }

/* Responsive */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .hero .wrap, .split, .band .wrap { grid-template-columns: 1fr; }
  .hero-media { max-width: 460px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  section { padding: 56px 0; }
  .wrap { padding: 0 16px; }
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 18px; border-bottom: 1px solid var(--limestone); }
  .nav a { padding: 12px 0; }
  .nav .btn { margin-top: 8px; }
  body.nav-open .nav { display: flex; }
  .grid-4 { grid-template-columns: 1fr; }
  .form-card { padding: 22px; }
}