/* ============================================================
   Plantilla genérica — Industria / Manufactura
   Paleta: slate oscuro + acento naranja industrial
   ============================================================ */

:root {
  --ink: #1e2a38;
  --ink-2: #26313f;
  --paper: #f4f5f7;
  --white: #ffffff;
  --text: #2b333c;
  --text-muted: #5c6773;
  --accent: #e8792a;
  --accent-dark: #c96419;
  --border: #e1e4e8;
  --radius: 10px;
  --shadow: 0 12px 30px rgba(20, 28, 38, 0.08);
  --maxw: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

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

h1, h2, h3, h4 {
  font-family: inherit;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 16px;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 4vw, 2.85rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 16px; color: var(--text-muted); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 10px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
  border: 2px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-outline { border-color: rgba(255,255,255,0.55); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-outline-ink { border-color: var(--ink); color: var(--ink); }
.btn-outline-ink:hover { background: var(--ink); color: #fff; }

/* --- Header --- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--ink);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; color: #fff; font-weight: 700; font-size: 1.05rem; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1rem;
  flex-shrink: 0;
}
.brand small { display: block; font-weight: 400; font-size: 0.7rem; color: rgba(255,255,255,0.55); letter-spacing: 0.04em; }

nav.main-nav { display: flex; align-items: center; gap: 34px; }
nav.main-nav a {
  color: rgba(255,255,255,0.82); font-size: 0.93rem; font-weight: 600;
  padding: 6px 0; border-bottom: 2px solid transparent;
}
nav.main-nav a:hover, nav.main-nav a.active { color: #fff; border-color: var(--accent); }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; }

@media (max-width: 860px) {
  nav.main-nav {
    position: absolute; top: 76px; left: 0; right: 0;
    background: var(--ink); flex-direction: column; align-items: flex-start;
    padding: 10px 24px 24px; gap: 14px;
    display: none;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  nav.main-nav.open { display: flex; }
  .nav-toggle { display: block; }
}

/* --- Hero --- */
.hero {
  position: relative;
  color: #fff;
  background: linear-gradient(180deg, rgba(20,28,38,0.78), rgba(20,28,38,0.88)), center/cover no-repeat;
  padding: 110px 0 90px;
}
.hero-index { background-image: linear-gradient(180deg, rgba(20,28,38,0.78), rgba(20,28,38,0.9)), url("../img/hero-planta.jpg"); }
.hero-page { padding: 70px 0; }
.hero .eyebrow { color: var(--accent); }
.hero h1, .hero p { color: #fff; }
.hero p.lead { color: rgba(255,255,255,0.82); font-size: 1.1rem; max-width: 620px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }

/* --- Stats bar --- */
.stats-bar {
  background: var(--ink-2);
  color: #fff;
}
.stats-bar .container {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding: 30px 24px;
}
.stat b { display: block; font-size: 1.8rem; color: var(--accent); }
.stat span { font-size: 0.85rem; color: rgba(255,255,255,0.75); }
@media (max-width: 700px) {
  .stats-bar .container { grid-template-columns: repeat(2, 1fr); }
}

/* --- Sections --- */
section { padding: 78px 0; }
.section-alt { background: var(--paper); }
.section-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }
.section-head p { max-width: 100%; }

/* --- Cards / grids --- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow);
}
.card h3 { display: flex; align-items: center; gap: 10px; }
.card ul { margin: 0; padding-left: 18px; color: var(--text-muted); }
.card ul li { margin-bottom: 6px; }

.icon-badge {
  width: 44px; height: 44px; border-radius: 8px; flex-shrink: 0;
  background: rgba(232,121,42,0.12); color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}

.media-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }

.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { padding-left: 28px; position: relative; margin-bottom: 12px; color: var(--text-muted); }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--accent-dark); font-weight: 800;
}

/* --- CTA band --- */
.cta-band {
  background: linear-gradient(120deg, var(--ink), var(--ink-2));
  color: #fff; text-align: center;
}
.cta-band h2, .cta-band p { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.78); max-width: 560px; margin-left: auto; margin-right: auto; }

/* --- Contact page --- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; gap: 14px; margin-bottom: 22px; }
.info-list b { display: block; color: var(--ink); }
.info-list span { color: var(--text-muted); font-size: 0.93rem; }

form.contact-form { background: var(--paper); border-radius: var(--radius); padding: 30px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 6px;
  font-family: inherit; font-size: 0.95rem; background: #fff;
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }

/* --- Footer --- */
footer.site-footer { background: var(--ink); color: rgba(255,255,255,0.7); padding: 50px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; margin-bottom: 30px; }
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }
footer.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 14px; }
footer.site-footer a { color: rgba(255,255,255,0.65); }
footer.site-footer a:hover { color: #fff; }
footer.site-footer ul { list-style: none; padding: 0; margin: 0; }
footer.site-footer ul li { margin-bottom: 8px; font-size: 0.9rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 0.82rem; color: rgba(255,255,255,0.5);
}

.legal h2 { margin-top: 28px; }
.legal p, .legal li { color: var(--text-muted); }