:root {
  --bg: #FAFAF7;
  --pine: #1F4D3A;
  --pine-dark: #163828;
  --sage: #7FA687;
  --sage-light: #E7EEE6;
  --stone: #C9BFA5;
  --stone-light: #F1ECE1;
  --ink: #16241D;
  --white: #FFFFFF;
  --max: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: 'DM Serif Display', serif;
  font-weight: 400;
  line-height: 1.15;
  color: var(--pine);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.3rem; }

a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 32px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--sage);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--sage); display: inline-block; }

/* Header */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,250,247,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--stone-light);
}
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
header .logo { display: flex; align-items: center; gap: 10px; }
header .logo img { height: 30px; width: auto; }
nav { display: flex; gap: 34px; align-items: center; }
nav a { font-size: 0.95rem; font-weight: 500; color: var(--ink); }
nav a:hover { color: var(--pine); }
.btn {
  display: inline-block;
  background: var(--pine);
  color: var(--white) !important;
  padding: 12px 26px;
  border-radius: 3px;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: background .2s ease;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--pine-dark); }
.btn-outline {
  background: transparent;
  color: var(--white) !important;
  border: 1.5px solid rgba(255,255,255,0.7);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-small { padding: 9px 18px; font-size: 0.85rem; }

/* Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  background: #0c1510;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,18,13,0.15) 0%, rgba(10,18,13,0.55) 55%, rgba(8,14,10,0.92) 100%);
}
.hero img.bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 60% 70%;
}
.hero .wrap { position: relative; z-index: 2; padding-bottom: 88px; padding-top: 140px; }
.hero .eyebrow { color: var(--sage); }
.hero .eyebrow::before { background: var(--sage); }
.hero h1 { color: var(--white); max-width: 780px; }
.hero p.lede {
  color: rgba(255,255,255,0.88);
  font-size: 1.25rem;
  max-width: 520px;
  margin: 22px 0 34px;
}
.hero .ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* Sections general */
section { padding: 110px 0; }
section.tight { padding: 80px 0; }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head p { color: #4A5750; font-size: 1.08rem; margin-top: 14px; }

/* Qué hacemos cards */
.cards3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--stone-light);
  border: 1px solid var(--stone-light);
}
.card3 {
  background: var(--white);
  padding: 44px 36px;
}
.card3 .mark {
  width: 40px; height: 40px;
  border: 1.5px solid var(--pine);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 26px;
  font-family: 'DM Serif Display', serif;
  color: var(--pine);
  font-size: 1.1rem;
}
.card3 h3 { margin-bottom: 10px; }
.card3 p { color: #4A5750; font-size: 0.98rem; }

/* Proyectos */
.proyecto {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--stone-light);
}
.proyecto:last-child { border-bottom: none; }
.proyecto:nth-child(even) .media { order: 2; }
.proyecto .media {
  aspect-ratio: 4/3;
  border-radius: 4px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--sage) 0%, var(--pine) 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.proyecto .media img { width: 100%; height: 100%; object-fit: cover; }
.proyecto .media .placeholder-mark {
  font-family: 'DM Serif Display', serif;
  color: rgba(255,255,255,0.85);
  font-size: 3.5rem;
}
.proyecto .tag {
  display: inline-block;
  background: var(--sage-light);
  color: var(--pine);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.proyecto h3 { font-size: 1.7rem; margin-bottom: 14px; }
.proyecto p { color: #4A5750; }

.defensa-line {
  margin-top: 40px;
  padding: 22px 28px;
  background: var(--stone-light);
  border-left: 3px solid var(--stone);
  font-size: 0.95rem;
  color: #5b5346;
  border-radius: 2px;
}

/* Cursos */
.cursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}
.curso-card {
  background: var(--white);
  border: 1px solid var(--stone-light);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.curso-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -12px rgba(22,36,29,0.18);
  border-color: transparent;
}
.curso-card .thumb {
  height: 120px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.curso-card .thumb::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,0.07) 0 2px, transparent 2px 18px);
}
.curso-card .thumb svg { width: 40px; height: 40px; position: relative; z-index: 1; }
/* Colores oficiales de cada aplicación */
.curso-card.thumb-excel .thumb { background: #185C37; }
.curso-card.thumb-outlook .thumb { background: linear-gradient(135deg, #0078D4, #6264A7); }
.curso-card.thumb-office .thumb { background: linear-gradient(135deg, #2B579A, #D24726); }
.curso-card.thumb-claude .thumb { background: #CC785C; }
.curso-card.thumb-automate .thumb { background: linear-gradient(135deg, #0066FF, #0ADEC7); }
.curso-card.thumb-excel-claude .thumb { background: linear-gradient(135deg, #185C37, #CC785C); }
.curso-card .badge {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  background: rgba(255,255,255,0.92);
  color: var(--pine);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 4px 9px;
  border-radius: 100px;
}
.curso-card .body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.curso-card .meta {
  font-size: 0.8rem;
  color: var(--sage);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.curso-card .meta .nivel {
  background: var(--sage-light);
  color: var(--pine);
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 0.7rem;
}
.curso-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.curso-card p.desc { color: #4A5750; font-size: 0.92rem; flex: 1; margin-bottom: 20px; }
.curso-card .dirigido { font-size: 0.82rem; color: #7a8378; margin-bottom: 18px; }

/* Territorio */
.territorio {
  background: var(--pine);
  color: var(--white);
}
.territorio h2 { color: var(--white); }
.territorio .section-head p { color: rgba(255,255,255,0.8); }
.territorio-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 20px;
}
.territorio-item {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 18px;
}
.territorio-item strong { color: var(--sage); }
.territorio-item p { color: rgba(255,255,255,0.8); font-size: 0.95rem; margin-top: 6px; }
.territorio blockquote {
  margin-top: 60px;
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  font-style: italic;
  max-width: 700px;
  color: var(--white);
  line-height: 1.4;
}
.territorio cite {
  display: block;
  margin-top: 18px;
  font-style: normal;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sage);
}

/* Contacto */
.contacto { text-align: left; }
.contacto .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 70px; align-items: start; }
.contacto-info p { color: #4A5750; margin-top: 16px; font-size: 1.05rem; max-width: 440px; }
.contacto-details { margin-top: 32px; }
.contacto-details div { margin-bottom: 14px; font-size: 0.98rem; }
.contacto-details span { color: var(--sage); font-weight: 700; display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 3px; }
form.contact-form { display: flex; flex-direction: column; gap: 14px; }
form.contact-form input, form.contact-form textarea {
  border: 1px solid var(--stone);
  background: var(--white);
  padding: 13px 16px;
  border-radius: 3px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
}
form.contact-form textarea { min-height: 110px; resize: vertical; }
form.contact-form input:focus, form.contact-form textarea:focus { outline: 2px solid var(--sage); border-color: var(--pine); }

footer {
  background: var(--pine-dark);
  color: rgba(255,255,255,0.7);
  padding: 44px 0;
  font-size: 0.85rem;
}
footer .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
footer a:hover { color: var(--white); }

@media (max-width: 860px) {
  .cards3 { grid-template-columns: 1fr; }
  .proyecto, .proyecto:nth-child(even) { grid-template-columns: 1fr; }
  .proyecto:nth-child(even) .media { order: 0; }
  .contacto .wrap { grid-template-columns: 1fr; }
  .territorio-list { grid-template-columns: 1fr; }
  nav { display: none; }
}