/* Inversionista Elite — prototipo v1
   Paleta sobria, dos tipografías del sistema, sin dependencias externas. */

:root {
  --bg:          #fbfaf8;
  --bg-alt:      #f3f1ec;
  --ink:         #16181c;
  --ink-soft:    #565c63;
  --accent:      #17514c;
  --accent-tint: #eaf1ef;
  --line:        #e2ded6;

  --serif: ui-serif, Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans:  system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --wrap:    64rem;
  --measure: 38rem;

  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.measure { max-width: var(--measure); }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Encabezado ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 5rem;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: .01em;
  color: var(--ink);
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 1.75rem;
  font-size: .95rem;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 5px;
}

/* ---------- Secciones ---------- */

section { padding: 5.5rem 0; }
section + section { border-top: 1px solid var(--line); }

.eyebrow {
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
  font-weight: 600;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.18;
  color: var(--ink);
}

h1 { font-size: clamp(2.35rem, 6vw, 3.5rem); margin: 0 0 1.25rem; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.2rem); margin: 0 0 1.25rem; }
h3 { font-size: 1.2rem; margin: 0 0 .6rem; }

p { margin: 0 0 1.15rem; max-width: var(--measure); }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.muted { color: var(--ink-soft); }

/* ---------- Portada ---------- */

.hero { padding: 6rem 0 5.5rem; }
.hero p.lead { font-size: 1.28rem; max-width: 34rem; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  align-items: center;
  gap: 3rem;
}

.hero-media img {
  display: block;
  width: 100%;
  max-width: 36rem;
  height: auto;
  margin: 0 auto;
  mix-blend-mode: multiply;
}

.actions {
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
  margin-top: 2.25rem;
}

.btn {
  display: inline-block;
  padding: .8rem 1.5rem;
  border: 1px solid var(--accent);
  border-radius: 2px;
  font-size: .95rem;
  text-decoration: none;
  transition: background-color .15s ease, color .15s ease;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #0f3d39; }

.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-tint); }

/* ---------- Tarjetas ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.25rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1.6rem;
  background: #fff;
}

.card h3 { margin-bottom: .5rem; }
.card p { font-size: .96rem; color: var(--ink-soft); margin: 0; }

/* ---------- Servicios ---------- */

.service-num {
  font-family: var(--serif);
  font-size: .95rem;
  color: var(--accent);
  letter-spacing: .08em;
  margin: 0 0 .75rem;
}

.subhead {
  font-family: var(--sans);
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
  margin: 2.25rem 0 .75rem;
}

.callout {
  border-left: 3px solid var(--accent);
  background: var(--accent-tint);
  padding: 1.35rem 1.5rem;
  margin: 2rem 0 0;
  max-width: var(--measure);
}

.callout p { margin-bottom: .8rem; }
.callout p:last-child { margin-bottom: 0; }
.callout strong { font-weight: 600; }

/* ---------- Compromisos ---------- */

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 2.25rem 3rem;
  margin-top: 2.5rem;
}

.pillars h3 { font-family: var(--sans); font-size: 1.02rem; font-weight: 600; }
.pillars p { font-size: .97rem; color: var(--ink-soft); }

/* ---------- Advertencia ---------- */

.warning { background: var(--bg-alt); }
.warning p { color: var(--ink); }

/* ---------- Contacto ---------- */

.contact-data { margin-top: 2.5rem; }
.contact-data p { font-size: .97rem; }
.contact-data a { word-break: break-word; }

.contact-mail {
  font-family: var(--serif);
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

/* ---------- Página interior ---------- */

.page-head { padding: 4.5rem 0 3rem; }
.page-head h1 { font-size: clamp(2rem, 5vw, 2.8rem); }

.doc h2 {
  font-size: 1.5rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.doc h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }

.doc h3 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  margin-top: 2.25rem;
}

.doc ul { max-width: var(--measure); padding-left: 1.2rem; }
.doc li { margin-bottom: .45rem; }

.datasheet {
  border: 1px solid var(--line);
  background: #fff;
  max-width: var(--measure);
}

.datasheet div {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: 1rem;
  padding: .8rem 1.25rem;
  font-size: .95rem;
  border-bottom: 1px solid var(--line);
}

.datasheet div:last-child { border-bottom: 0; }
.datasheet dt { font-weight: 600; margin: 0; }
.datasheet dd { margin: 0; color: var(--ink-soft); }

/* ---------- Pie ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 3.5rem 0 0;
  font-size: .92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.site-footer h4 {
  font-family: var(--sans);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
  margin: 0 0 .9rem;
}

.site-footer p { margin-bottom: .35rem; color: var(--ink-soft); max-width: none; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .45rem; }

.risk-strip {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0;
  font-size: .87rem;
  line-height: 1.6;
}

.risk-strip p { color: var(--ink); max-width: 60rem; }

/* ---------- Adaptación a pantalla pequeña ---------- */

@media (max-width: 56rem) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-media img { max-width: 24rem; }
}

@media (max-width: 46rem) {
  body { font-size: 16px; }
  section { padding: 3.5rem 0; }
  .hero { padding: 3.5rem 0 3.5rem; }
  .site-header .wrap { min-height: auto; padding-top: 1rem; padding-bottom: 1rem; }
  .site-nav { gap: 1.25rem; font-size: .9rem; }
  .contact-mail { font-size: 1.2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .datasheet div { grid-template-columns: 1fr; gap: .15rem; }
}