/* ============================================================
   DIGITAL METALART S.R.L. — main.css
   Paleta activa: ver variables --color-* abajo.
   Para cambiar paleta, edita solo las variables :root.
   ============================================================ */

/* ── PALETA A (Acero + Naranja) — ACTIVA POR DEFECTO
   Para paleta B, comenta este bloque y descomenta el siguiente
   ─────────────────────────────────────────────────────────── */
:root {
  --color-bg:       #F5F6F7;
  --color-surface:  #FFFFFF;
  --color-dark:     #1A2332;      /* cabecera, pie, secciones oscuras */
  --color-dark-alt: #243040;      /* hover en dark */
  --color-accent:   #E8591A;      /* CTAs, acentos */
  --color-accent-h: #C94A10;      /* hover accent */
  --color-text:     #2D2D2D;
  --color-text-mid: #5A6472;
  --color-text-inv: #FFFFFF;
  --color-border:   #D8DCDF;
  --color-pending:  #F59E0B;      /* fondo para bloques [[PENDIENTE]] */
}

/* ── PALETA B (Grafito + Amarillo) — ALTERNATIVA
:root {
  --color-bg:       #F8F8F8;
  --color-surface:  #FFFFFF;
  --color-dark:     #2B2B2B;
  --color-dark-alt: #3A3A3A;
  --color-accent:   #F0B429;
  --color-accent-h: #D49D1B;
  --color-text:     #3A3A3A;
  --color-text-mid: #6B7280;
  --color-text-inv: #FFFFFF;
  --color-border:   #E0E0E0;
  --color-pending:  #F59E0B;
}
*/

/* ── TIPOGRAFÍA ─────────────────────────────────────────────
   Inter incluida localmente desde assets/fonts/
   ─────────────────────────────────────────────────────────── */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-variable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-display: swap;
}

/* ── RESET MÍNIMO ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-h); }

/* ── UTILIDADES ─────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
.btn {
  display: inline-block;
  padding: .75rem 1.75rem;
  border-radius: 3px;
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background .18s, color .18s, border-color .18s;
  border: 2px solid transparent;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-inv);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-h);
  border-color: var(--color-accent-h);
  color: var(--color-text-inv);
}
.btn-outline {
  background: transparent;
  color: var(--color-text-inv);
  border-color: var(--color-text-inv);
}
.btn-outline:hover {
  background: var(--color-text-inv);
  color: var(--color-dark);
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-sub {
  color: var(--color-text-mid);
  max-width: 600px;
  margin-bottom: 2.5rem;
}
.text-accent { color: var(--color-accent); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

/* ── PENDIENTES (visibles solo en desarrollo, quitar en producción) */
.pending-block {
  background: var(--color-pending);
  color: #1a1a1a;
  padding: .6rem 1rem;
  border-radius: 3px;
  font-size: .85rem;
  font-style: italic;
  margin: .5rem 0;
  border-left: 4px solid #D97706;
}

/* ── HEADER ─────────────────────────────────────────────────── */
.site-header {
  background: var(--color-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1rem;
}
.logo {
  color: var(--color-text-inv);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo span { color: var(--color-accent); }
.main-nav { display: flex; align-items: center; gap: .25rem; list-style: none; }
.main-nav a {
  color: rgba(255,255,255,.82);
  font-size: .85rem;
  font-weight: 500;
  padding: .45rem .75rem;
  border-radius: 3px;
  transition: color .15s, background .15s;
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active { color: #fff; background: rgba(255,255,255,.1); }
.lang-switch {
  background: var(--color-accent);
  color: #fff !important;
  border-radius: 3px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .05em;
  padding: .3rem .7rem !important;
}
.lang-switch:hover { background: var(--color-accent-h) !important; }

/* hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
  background: var(--color-dark);
  color: var(--color-text-inv);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,.5) 0%, transparent 60%);
  pointer-events: none;
}
.hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: .35;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}
.hero-tag {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .3rem .8rem;
  border-radius: 2px;
  margin-bottom: 1.25rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}
.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.82);
  margin-bottom: 2rem;
  max-width: 540px;
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── SECTION ALTERNADAS ─────────────────────────────────────── */
.section { padding: 4.5rem 0; }
.section--dark {
  background: var(--color-dark);
  color: var(--color-text-inv);
}
.section--dark .section-sub { color: rgba(255,255,255,.7); }
.section--alt { background: var(--color-bg); }
.section--white { background: var(--color-surface); }

/* ── BLOCKS HOME (2 columnas) ──────────────────────────────── */
.blocks-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}
.block-card {
  background: var(--color-surface);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,.07);
  display: flex;
  flex-direction: column;
}
.block-card-img {
  aspect-ratio: 16/9;
  object-fit: cover;
  width: 100%;
  background: var(--color-border);
}
.block-card-body {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.block-card-body h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: .75rem;
  color: var(--color-dark);
}
.block-card-body p {
  color: var(--color-text-mid);
  flex: 1;
  margin-bottom: 1.5rem;
}

/* ── GALERÍA ────────────────────────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 3px;
  background: var(--color-border);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-cta-wrap { text-align: center; margin-top: 2.5rem; }

/* ── SERVICIOS ──────────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.service-card {
  background: var(--color-surface);
  border-radius: 4px;
  padding: 1.75rem;
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
  border-top: 3px solid var(--color-accent);
}
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .6rem;
  color: var(--color-dark);
}
.service-card p { color: var(--color-text-mid); font-size: .92rem; }
.service-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.service-icon svg { width: 22px; height: 22px; fill: #fff; }

/* ── SUBCONTRACTARE ─────────────────────────────────────────── */
.sub-intro { max-width: 720px; }
.sub-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.sub-block {
  background: var(--color-surface);
  border-radius: 4px;
  padding: 1.75rem;
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
}
.sub-block h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .5rem;
  color: var(--color-dark);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: .4rem;
}

/* ── CTA BAND ───────────────────────────────────────────────── */
.cta-band {
  background: var(--color-accent);
  color: #fff;
  padding: 3.5rem 0;
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: .75rem;
}
.cta-band p { opacity: .9; margin-bottom: 1.75rem; max-width: 520px; margin-left: auto; margin-right: auto; }

/* ── SOBRE NOSOTROS ─────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.about-group-box {
  background: var(--color-dark);
  color: var(--color-text-inv);
  border-radius: 4px;
  padding: 2rem;
  margin-top: 2rem;
}
.about-group-box h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .5rem; color: var(--color-accent); }
.about-group-box p { opacity: .85; font-size: .92rem; }
.about-group-box a { color: var(--color-accent); }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2rem; }
.value-card { background: var(--color-surface); border-radius: 4px; padding: 1.25rem; box-shadow: 0 1px 6px rgba(0,0,0,.06); }
.value-card h4 { font-size: .95rem; font-weight: 700; margin-bottom: .4rem; color: var(--color-dark); }
.value-card p { font-size: .88rem; color: var(--color-text-mid); }

/* ── CONTACTO ───────────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 3rem; align-items: start; }
.contact-info dt { font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--color-text-mid); margin-top: 1.25rem; }
.contact-info dd { margin-top: .2rem; }
.contact-form-wrap {
  background: var(--color-surface);
  border-radius: 4px;
  padding: 2rem;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .35rem; color: var(--color-text); }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .65rem .9rem;
  border: 1.5px solid var(--color-border);
  border-radius: 3px;
  font-size: .92rem;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232,89,26,.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-gdpr { display: flex; gap: .65rem; align-items: flex-start; font-size: .83rem; color: var(--color-text-mid); margin: 1rem 0; }
.form-gdpr input[type="checkbox"] { margin-top: .2rem; flex-shrink: 0; accent-color: var(--color-accent); }
.form-gdpr a { color: var(--color-accent); }
.honeypot { display: none; }
#form-response { margin-top: 1rem; padding: .75rem 1rem; border-radius: 3px; display: none; font-size: .9rem; }
#form-response.success { background: #D1FAE5; color: #065F46; border: 1px solid #6EE7B7; }
#form-response.error { background: #FEE2E2; color: #991B1B; border: 1px solid #FCA5A5; }
.map-placeholder {
  background: var(--color-border);
  border-radius: 4px;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2rem;
  font-style: italic;
  color: var(--color-text-mid);
}
.map-embed {
  margin-top: 2rem;
}
.map-link {
  display: inline-block;
  margin-top: .5rem;
  font-size: .85rem;
  color: var(--color-primary);
  text-decoration: none;
}
.map-link:hover { text-decoration: underline; }

/* ── LEGAL PAGES ────────────────────────────────────────────── */
.legal-content { max-width: 800px; margin: 0 auto; padding: 3rem 1.25rem; }
.legal-content h1 { font-size: 1.75rem; margin-bottom: 2rem; }
.legal-content h2 { font-size: 1.15rem; font-weight: 700; margin: 2rem 0 .75rem; color: var(--color-dark); }
.legal-content p, .legal-content li { font-size: .93rem; color: var(--color-text-mid); margin-bottom: .75rem; }
.legal-content ul { padding-left: 1.5rem; }
.legal-back { display: inline-block; margin: 1.5rem 0; color: var(--color-accent); font-weight: 600; }

/* ── PAGE HEADER (inner pages) ──────────────────────────────── */
.page-header {
  background: var(--color-dark);
  color: #fff;
  padding: 3rem 0 2.5rem;
  border-bottom: 3px solid var(--color-accent);
}
.page-header h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; margin-bottom: .5rem; }
.page-header p { color: rgba(255,255,255,.75); max-width: 540px; }

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer { background: var(--color-dark); color: rgba(255,255,255,.7); padding: 3.5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer-brand .logo { display: inline-block; margin-bottom: .75rem; font-size: 1rem; }
.footer-brand p { font-size: .85rem; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .5rem; }
.footer-col a { color: rgba(255,255,255,.65); font-size: .85rem; transition: color .15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
  font-size: .8rem;
}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-dark);
    flex-direction: column;
    padding: 1rem;
    gap: .25rem;
    box-shadow: 0 4px 12px rgba(0,0,0,.3);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: .65rem 1rem; border-radius: 3px; }
  .blocks-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .hero { padding: 3.5rem 0 3rem; }
}
@media (max-width: 480px) {
  .values-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { text-align: center; }
}