*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #1a1814;
  --ink-soft: #4a4640;
  --ink-muted: #8a857e;
  --paper: #f5f2ec;
  --paper-warm: #ede9e1;
  --rule: #c8c2b8;
  --accent: #2d4a3e;
  --accent-warm: #7a3b1e;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --serif-body: 'Libre Baskerville', Georgia, serif;
  --mono: 'DM Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 4rem;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
  text-decoration: none;
}
.nav-logo span { font-style: italic; color: var(--accent); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 5rem;
}
.hero-left {
  padding: 7rem 4rem 5rem 4rem;
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-kicker {
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 300;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.hero-kicker::before {
  content: '';
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--accent);
}
.hero-headline {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 2rem;
}
.hero-headline em { font-style: italic; color: var(--accent); }
.hero-sub {
  font-family: var(--serif-body);
  font-size: .95rem;
  color: var(--ink-soft);
  line-height: 1.75;
  max-width: 38ch;
  margin-bottom: 3rem;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  padding: .9rem 1.75rem;
  text-decoration: none;
  transition: background .2s, color .2s;
}
.hero-cta:hover { background: var(--accent); }
.hero-cta::after { content: '→'; }

.hero-right {
  padding: 7rem 4rem 5rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-stat {
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--rule);
}
.hero-stat:first-child { border-top: 1px solid var(--rule); }
.hero-stat-num {
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 300;
  color: var(--ink);
  line-height: 1;
  margin-bottom: .35rem;
}
.hero-stat-num sup { font-size: 1.2rem; vertical-align: super; color: var(--accent); }
.hero-stat-label {
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ── SECTION BASE ── */
section { padding: 6rem 4rem; }
.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 4rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.section-num {
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 300;
  color: var(--ink-muted);
  letter-spacing: .1em;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  color: var(--ink);
}
.section-title em { font-style: italic; color: var(--accent); }

/* ── SERVICIOS ── */
#servicios { background: var(--paper-warm); }
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
}
.servicio-card {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--rule);
  transition: background .2s;
}
.servicio-card:last-child { border-right: none; }
.servicio-card:hover { background: var(--paper); }
.servicio-tag {
  font-family: var(--mono);
  font-size: .65rem;
  font-weight: 300;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.servicio-tag::before {
  content: '';
  display: inline-block;
  width: 1rem;
  height: 1px;
  background: var(--accent);
}
.servicio-nombre {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 1rem;
  color: var(--ink);
}
.servicio-desc {
  font-size: .85rem;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.servicio-precio {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--accent-warm);
}
.servicios-row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--rule);
  border-top: none;
}
.servicios-row2 .servicio-card { border-right: 1px solid var(--rule); }
.servicios-row2 .servicio-card:last-child { border-right: none; }

/* ── ARTÍCULOS ── */
#articulos { max-width: 100%; }

.articles-list { display: flex; flex-direction: column; gap: 0; }

.article-entry {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  padding: 3rem 0;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  transition: background .15s;
}
.article-entry:hover { background: var(--paper-warm); margin: 0 -4rem; padding: 3rem 4rem; }

.article-aside-title {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 1rem;
}
.article-meta {
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  line-height: 2;
}
.article-preview { font-size: .9rem; color: var(--ink-soft); line-height: 1.8; }
.article-read-more {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 1.5rem;
  text-decoration: none;
}

/* Article full view */
.article-full { display: none; }
.article-full.active { display: block; }
.article-back {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  margin-bottom: 3rem;
}
.article-back:hover { color: var(--accent); }

.articulo-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
}
.articulo-aside {
  position: sticky;
  top: 6rem;
  align-self: start;
}
.articulo-aside-title {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  color: var(--ink);
}
.articulo-aside-meta {
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  line-height: 2;
}
.articulo-aside-rule { width: 2rem; height: 2px; background: var(--accent); margin: 1.5rem 0; }
.articulo-body { max-width: 65ch; }
.articulo-body p { font-size: .95rem; line-height: 1.85; color: var(--ink-soft); margin-bottom: 1.5rem; }
.articulo-body h2 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
  font-style: italic;
  color: var(--ink);
  margin: 2.5rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}
.articulo-body strong { color: var(--ink); font-weight: 700; }

.articulo-leer-mas {
  margin-top: 2rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}
.articulo-leer-mas:hover { text-decoration: underline; }
.articulo-resto { display: none; }
.articulo-resto.visible { display: block; }
.articulo-firma {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: .85rem !important;
  color: var(--ink-muted) !important;
}

/* ── FUNDADOR ── */
#fundador { background: var(--paper-warm); }
.fundador-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}
.fundador-left {
  padding: 2rem;
  background: var(--paper);
  border: 1px solid var(--rule);
}
.fundador-iniciales {
  font-family: var(--serif);
  font-size: 4rem;
  font-weight: 300;
  font-style: italic;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 1rem;
}
.fundador-nombre {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: .25rem;
}
.fundador-cargo {
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.fundador-tag {
  font-family: var(--mono);
  font-size: .65rem;
  font-weight: 300;
  letter-spacing: .08em;
  color: var(--ink-soft);
  padding: .3rem .6rem;
  border: 1px solid var(--rule);
  display: inline-block;
  margin: .2rem .2rem .2rem 0;
}
.fundador-bio { font-size: .95rem; color: var(--ink-soft); line-height: 1.8; }
.fundador-bio p { margin-bottom: 1.25rem; }
.fundador-bio strong { color: var(--ink); }
.pullquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  border-left: 3px solid var(--accent);
  background: var(--paper);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--ink);
  line-height: 1.5;
}

/* ── CONTACTO ── */
#contacto { background: var(--ink); color: var(--paper); }
#contacto .section-title { color: var(--paper); }
#contacto .section-title em { color: #9fc4a8; }
#contacto .section-num { color: #6a6460; }
#contacto .section-header { border-bottom-color: #3a3630; }
.contacto-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contacto-intro { font-size: .95rem; color: #a09890; line-height: 1.8; margin-bottom: 2rem; }
.contacto-dato { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.25rem; }
.contacto-dato-label {
  font-family: var(--mono); font-size: .65rem; font-weight: 300;
  letter-spacing: .1em; text-transform: uppercase; color: #6a6460;
  min-width: 5rem; padding-top: .15rem;
}
.contacto-dato-val { font-size: .9rem; color: #c8c2b8; }
.form-group { margin-bottom: 1.5rem; }
.form-label {
  display: block;
  font-family: var(--mono); font-size: .65rem; font-weight: 300;
  letter-spacing: .1em; text-transform: uppercase; color: #6a6460; margin-bottom: .5rem;
}
.form-input {
  width: 100%; padding: .85rem 1rem;
  background: #252220; border: 1px solid #3a3630;
  color: var(--paper); font-family: var(--serif-body); font-size: .9rem;
  outline: none; transition: border-color .2s; border-radius: 0; -webkit-appearance: none;
}
.form-input:focus { border-color: #9fc4a8; }
.form-input::placeholder { color: #4a4640; }
textarea.form-input { resize: vertical; min-height: 120px; }
.form-btn {
  display: inline-flex; align-items: center; gap: .75rem;
  font-family: var(--mono); font-size: .72rem; font-weight: 400;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink); background: var(--paper);
  padding: .9rem 1.75rem; border: none; cursor: pointer; transition: background .2s;
}
.form-btn:hover { background: #9fc4a8; }
.form-btn::after { content: '→'; }
.form-btn:disabled { opacity: .5; cursor: not-allowed; }
.form-success {
  display: none; padding: 1.5rem;
  background: #1a2e24; border: 1px solid #2d4a3e;
  font-family: var(--serif); font-style: italic; color: #9fc4a8; font-size: 1rem;
}

/* ── FOOTER ── */
footer {
  padding: 2rem 4rem;
  border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; align-items: center;
}
.footer-logo { font-family: var(--serif); font-size: 1rem; font-style: italic; color: var(--ink-soft); }
.footer-copy { font-family: var(--mono); font-size: .65rem; font-weight: 300; letter-spacing: .08em; color: var(--ink-muted); }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { opacity: 0; animation: fadeUp .7s ease forwards; }
.fade-up.d1 { animation-delay: .1s; }
.fade-up.d2 { animation-delay: .25s; }
.fade-up.d3 { animation-delay: .4s; }
.fade-up.d4 { animation-delay: .55s; }

.skeleton {
  background: linear-gradient(90deg, var(--paper-warm) 25%, var(--rule) 50%, var(--paper-warm) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 2px;
  height: 1em;
  margin-bottom: .5rem;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ── HAMBURGER (hidden on desktop) ──────────────────────────────────────── */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: transform .25s ease, opacity .25s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── RESPONSIVE — Tablet (≤ 900px) ──────────────────────────────────────── */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1.5rem; }
  #hero { grid-template-columns: 1fr; }
  .hero-left { padding: 6rem 1.5rem 3rem; border-right: none; border-bottom: 1px solid var(--rule); }
  .hero-right { padding: 2.5rem 1.5rem 4rem; }
  section { padding: 4rem 1.5rem; }
  .servicios-grid { grid-template-columns: 1fr; }
  .servicios-row2 { grid-template-columns: 1fr; }
  .servicio-card { border-right: none; border-bottom: 1px solid var(--rule); }
  .articulo-layout, .fundador-layout, .contacto-layout { grid-template-columns: 1fr; gap: 2rem; }
  .article-entry { grid-template-columns: 1fr; gap: 1.5rem; }
  /* Hover margin must match section side-padding (1.5rem) */
  .article-entry:hover { margin: 0 -1.5rem; padding: 3rem 1.5rem; }
  .articulo-aside { position: static; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}

/* ── RESPONSIVE — Mobile con hamburger (≤ 768px) ────────────────────────── */
@media (max-width: 768px) {
  .nav-burger { display: flex; }

  /* Dropdown: positioned absolutely within the fixed nav bar */
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 6px 16px rgba(26,24,20,.08);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; border-top: 1px solid var(--rule); }
  .nav-links a {
    display: block;
    padding: .9rem 1.5rem;
    font-size: .75rem;
  }
}

/* ── RESPONSIVE — Móvil pequeño (≤ 480px) ───────────────────────────────── */
@media (max-width: 480px) {
  nav { padding: .875rem 1rem; }
  section { padding: 3rem 1rem; }
  .hero-left { padding: 5.5rem 1rem 2.5rem; }
  .hero-right { padding: 2rem 1rem 3rem; }
  .hero-stat-num { font-size: 2.25rem; }
  /* Hover margin matches reduced section padding (1rem) */
  .article-entry:hover { margin: 0 -1rem; padding: 2.5rem 1rem; }
  .contacto-dato { flex-direction: column; gap: .15rem; }
  .contacto-dato-label { min-width: unset; padding-top: 0; }
  footer { padding: 1.5rem 1rem; }
}