/* ============================================================
   INED – styles.css
   Paleta: Naranja #E75113 | Gris #6B6C6D
   Tipografía: Trebuchet MS (headings) / Barlow (body)
   ============================================================ */

/* ── Variables ── */
:root {
  --orange:       #E75113;
  --orange-dark:  #c43d08;
  --orange-light: #f2844b;
  --gray:         #6B6C6D;
  --gray-light:   #9a9b9c;
  --gray-pale:    #f2f2f2;
  --white:        #ffffff;
  --dark:         #1a2535;
  --dark-mid:     #233245;
  --text:         #2c2c2c;
  --text-muted:   #5a5a5a;

  --font-head:    'Trebuchet MS', 'Arial Narrow', Arial, sans-serif;
  --font-body:    'Barlow', 'Segoe UI', sans-serif;

  --container:    1180px;
  --header-h:     72px;
  --radius:       2px;
  --transition:   .25s ease;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Utility ── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.bg-light { background: var(--gray-pale); }

.section {
  padding: 96px 0;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 20px;
}
.section-label.light { color: var(--orange-light); }

.label-line {
  display: block;
  width: 28px;
  height: 2px;
  background: currentColor;
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.15;
  color: var(--dark);
  margin-bottom: 20px;
}
.section-title.light { color: var(--white); }
.section-title em { color: var(--orange); font-style: normal; }

.section-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
}
.section-intro.light { color: rgba(255,255,255,.75); }

.body-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .04em;
  padding: 12px 26px;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange);
  color: var(--white);
  border: 2px solid var(--orange);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
  outline: none;
}
.btn-secondary {
  background: transparent;
  color: var(--dark);
  border: 2px solid var(--dark);
}
.btn-secondary:hover, .btn-secondary:focus-visible {
  background: var(--dark);
  color: var(--white);
  outline: none;
}
.btn-lg { padding: 14px 32px; font-size: 1rem; }

/* ── HEADER ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--header-h);
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(8px);
  transition: border-color .3s, box-shadow .3s;
}
.site-header.scrolled {
  border-color: rgba(0,0,0,.08);
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}

.logo-link { flex-shrink: 0; display: flex; align-items: center; }
.logo-svg  { height: 44px; width: auto; }

.main-nav { margin-left: auto; }
.main-nav ul {
  display: flex;
  gap: 4px;
}
.main-nav a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: .9rem;
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  letter-spacing: .02em;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--orange);
  background: rgba(231,81,19,.06);
}

.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  padding: 4px;
}
.burger span {
  display: block;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
  transform-origin: center;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  padding-top: var(--header-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--dark);
}

/* Fondo cuadrícula técnica */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* Barra naranja izquierda */
.hero-accent-bar {
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--orange);
}

.hero-content {
  grid-column: 1;
  padding-top: 64px;
  padding-bottom: 80px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--orange-light);
  background: rgba(231,81,19,.12);
  border: 1px solid rgba(231,81,19,.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero-badge .dot {
  display: block;
  width: 6px; height: 6px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .5; transform: scale(.7); }
}

.hero-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  line-height: 1.08;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -.01em;
}
.hero-title em {
  color: var(--orange);
  font-style: normal;
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 14px;
}
.hero-support {
  font-size: .92rem;
  color: rgba(255,255,255,.5);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
}
.hero-ctas .btn-secondary {
  color: var(--white);
  border-color: rgba(255,255,255,.35);
}
.hero-ctas .btn-secondary:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.6);
  color: var(--white);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}
.stat-label {
  font-size: .78rem;
  color: rgba(255,255,255,.5);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.15);
}

.hero-image-panel {
  grid-column: 2;
  height: 100%;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  margin-top: 100px;
}
.hero-img-placeholder {
  width: 100%; height: 100%;
  position: absolute;
  inset: 0;
}
.hero-img-placeholder svg { width: 100%; height: 100%; object-fit: cover; }

/* ── NOSOTROS ── */
.nosotros { background: var(--white); }

.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
  margin-top: 12px;
}

.mision-vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.mv-card {
  border: 1px solid rgba(0,0,0,.08);
  border-left: 3px solid var(--orange);
  padding: 20px 18px;
  border-radius: var(--radius);
}
.mv-label {
  display: block;
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 8px;
}
.mv-card p {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Highlights */
.nosotros-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-content: start;
}
.highlight-card {
  border: 1px solid rgba(0,0,0,.07);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.highlight-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,.07);
  border-color: rgba(231,81,19,.25);
}
.highlight-card.accent {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}
.highlight-num {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}
.highlight-card.accent .highlight-num { color: var(--white); }
.highlight-icon { width: 40px; height: 40px; color: var(--white); }
.highlight-icon svg { width: 100%; height: 100%; }
.highlight-text {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.highlight-card.accent .highlight-text { color: rgba(255,255,255,.9); }

.logo15-wrapper {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding: 16px 0 0;
}
.logo15 {
  max-height: 140px;
  width: auto;
  border-radius: 4px;
}

/* ── SERVICIOS ── */
.servicios-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 52px;
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.servicio-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,.07);
  border-top: 3px solid transparent;
  border-radius: var(--radius);
  padding: 32px 26px;
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.servicio-card:hover {
  border-top-color: var(--orange);
  box-shadow: 0 6px 28px rgba(0,0,0,.09);
  transform: translateY(-3px);
}

.servicio-num {
  position: absolute;
  top: 20px; right: 20px;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(0,0,0,.06);
  letter-spacing: -.01em;
}
.servicio-icon {
  width: 48px; height: 48px;
  color: var(--orange);
  margin-bottom: 18px;
}
.servicio-icon svg { width: 100%; height: 100%; }

.servicio-title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 12px;
}
.servicio-desc {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── DIFERENCIADORES ── */
.diferenciadores {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.diferenciadores-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.dif-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
  margin-bottom: 64px;
}
.dif-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-top: 3px solid var(--orange);
  padding: 32px 24px;
  border-radius: var(--radius);
  transition: background var(--transition);
}
.dif-card:hover { background: rgba(255,255,255,.07); }

.dif-icon {
  width: 44px; height: 44px;
  color: var(--orange);
  margin-bottom: 16px;
}
.dif-icon svg { width: 100%; height: 100%; }

.dif-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.dif-card p {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
}

/* Capacidades */
.capacidades {
  border: 1px solid rgba(255,255,255,.1);
  border-left: 4px solid var(--orange);
  padding: 36px 40px;
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
.capacidades-title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.capacidades-intro {
  font-size: .9rem;
  color: rgba(255,255,255,.55);
  line-height: 1.65;
}
.capacidades-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.capacidades-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .92rem;
  color: rgba(255,255,255,.75);
}
.capacidades-list li::before {
  content: '';
  display: block;
  width: 8px; height: 8px;
  background: var(--orange);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── SECTORES ── */
.sectores-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.sectores-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.sector-tag {
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--gray);
  background: var(--white);
  border: 1px solid rgba(0,0,0,.09);
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: border-color var(--transition), color var(--transition);
}
.sector-tag:hover {
  border-color: var(--orange);
  color: var(--orange);
}

/* ── CONTACTO ── */
.contacto { background: var(--white); }

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contacto-datos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 36px;
}
.dato {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.dato-label {
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 4px;
}
.dato-value {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.dato-link {
  font-size: .88rem;
  color: var(--orange);
  font-weight: 500;
  transition: color var(--transition);
}
.dato-link:hover { color: var(--orange-dark); text-decoration: underline; }

/* Form */
.contacto-form-wrapper {
  background: var(--gray-pale);
  border: 1px solid rgba(0,0,0,.07);
  border-radius: var(--radius);
  padding: 40px 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-group.full { grid-column: 1 / -1; }

label {
  font-weight: 600;
  font-size: .82rem;
  color: var(--dark);
  letter-spacing: .04em;
}
label span { color: var(--orange); }

input, textarea {
  font-family: var(--font-body);
  font-size: .93rem;
  color: var(--text);
  background: var(--white);
  border: 1px solid rgba(0,0,0,.14);
  border-radius: var(--radius);
  padding: 11px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
  width: 100%;
}
input::placeholder, textarea::placeholder { color: #b0b0b0; }
input:focus, textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(231,81,19,.12);
}

.form-footer {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.form-disclaimer {
  font-size: .78rem;
  color: var(--gray-light);
}
.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--orange);
  font-size: .95rem;
  padding: 14px;
  background: rgba(231,81,19,.06);
  border: 1px solid rgba(231,81,19,.2);
  border-radius: var(--radius);
  margin-top: 8px;
}

/* ── FOOTER ── */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding-top: 56px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.logo-svg-footer { height: 44px; width: auto; }

.footer-tagline {
  font-size: .88rem;
  color: rgba(255,255,255,.4);
  margin-top: 14px;
  letter-spacing: .03em;
  font-style: italic;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 4px;
}
.footer-nav a {
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--orange-light); }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}
.footer-contact a {
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--orange-light); }

.footer-bottom {
  padding: 18px 0;
}
.footer-bottom span {
  font-size: .75rem;
  color: rgba(255,255,255,.3);
}

/* ── Back to top ── */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 800;
  width: 44px; height: 44px;
  background: var(--orange);
  color: var(--white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity .3s, transform .3s, background .2s;
  box-shadow: 0 4px 14px rgba(231,81,19,.4);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--orange-dark); }

/* ── Fade-in animation ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .servicios-grid        { grid-template-columns: repeat(2, 1fr); }
  .dif-grid              { grid-template-columns: repeat(2, 1fr); }
  .nosotros-grid         { gap: 48px; }
  .contacto-grid         { grid-template-columns: 1fr; gap: 48px; }
  .hero                  { grid-template-columns: 1fr; }
  .hero-image-panel      { display: none; }
  .hero-content          { padding-top: 72px; padding-bottom: 72px; }
  .hero-title            { font-size: clamp(2rem, 5vw, 3rem); }
  .footer-inner          { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .section { padding: 64px 0; }

  /* Nav mobile */
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid rgba(0,0,0,.08);
    padding: 20px 24px 28px;
    transform: translateY(-120%);
    transition: transform .35s cubic-bezier(.4,0,.2,1);
    z-index: 899;
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav ul   { flex-direction: column; gap: 2px; }
  .main-nav a    { display: block; padding: 12px 16px; font-size: 1rem; }

  .burger { display: flex; }
  .header-actions .btn { display: none; }

  /* Hero */
  .hero-title    { font-size: 2rem; }
  .hero-sub      { font-size: .97rem; }
  .hero-stats    { gap: 16px; }
  .stat-num      { font-size: 1.6rem; }
  .hero-ctas     { flex-direction: column; align-items: flex-start; }

  /* Grids → 1 columna */
  .nosotros-grid         { grid-template-columns: 1fr; gap: 40px; }
  .nosotros-highlights   { grid-template-columns: 1fr 1fr; }
  .mision-vision-grid    { grid-template-columns: 1fr; }
  .servicios-header      { grid-template-columns: 1fr; gap: 20px; }
  .servicios-grid        { grid-template-columns: 1fr; }
  .dif-grid              { grid-template-columns: 1fr 1fr; }
  .sectores-inner        { grid-template-columns: 1fr; }
  .capacidades           { grid-template-columns: 1fr; gap: 20px; }
  .contacto-datos        { grid-template-columns: 1fr; }
  .form-row              { grid-template-columns: 1fr; }
  .footer-inner          { grid-template-columns: 1fr; }

  .contacto-form-wrapper { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .dif-grid            { grid-template-columns: 1fr; }
  .nosotros-highlights { grid-template-columns: 1fr; }
  .hero-stats          { flex-direction: column; gap: 12px; }
  .stat-divider        { display: none; }
  .logo15              { max-height: 110px; }
}