/* ============================================================
   ASEALDI — Estilos principales
   Breakpoints:
     xs: < 480px   (móvil pequeño)
     sm: < 640px   (móvil)
     md: < 768px   (tablet portrait)
     lg: < 1024px  (tablet landscape / laptop pequeño)
     xl: < 1200px  (desktop estándar)
   ============================================================ */

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

:root {
  --azul: #51698E;
  --azul-oscuro: #3a4f6e;
  --azul-claro: #e8edf4;
  --gris: #f5f5f3;
  --gris-medio: #8a8a85;
  --negro: #1a1a1a;
  --blanco: #ffffff;
  --acento: #c8a96e;
  --radio: 4px;

  --espacio-xs: 16px;
  --espacio-sm: 24px;
  --espacio-md: 40px;
  --espacio-lg: 64px;
  --espacio-xl: 100px;

  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--negro);
  background: var(--blanco);
  line-height: 1.7;
}

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

a {
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--espacio-md);
}

/* ─── NAV ───────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(81, 105, 142, 0.12);
  height: 68px;
  display: flex;
  align-items: center;
}

.nav-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--espacio-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo img {
  height: 46px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  color: var(--azul);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 3px;
  transition: all 0.2s;
  white-space: nowrap;
}

.nav-links a:hover {
  background: var(--azul-claro);
}

.nav-links .cta a {
  border: 1.5px solid var(--azul);
  border-radius: 20px;
  padding: 6px 16px;
}

.nav-links .cta a:hover {
  background: var(--azul);
  color: white;
}

/* Hamburger (oculto en desktop) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--azul);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Menú móvil desplegado */
.nav-mobile {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  width: 100%;
  background: white;
  border-bottom: 1px solid var(--azul-claro);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  color: var(--azul);
  font-size: 15px;
  font-weight: 400;
  padding: 10px 12px;
  border-radius: 3px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background 0.2s;
}

.nav-mobile a:hover {
  background: var(--azul-claro);
}

.nav-mobile .cta-mobile a {
  margin-top: 8px;
  border: 1.5px solid var(--azul);
  border-radius: 20px;
  display: inline-block;
  padding: 8px 20px;
}

/* ─── SECCIÓN GENÉRICA ──────────────────────────────────── */
section {
  scroll-margin-top: 68px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.section-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: 36px;
  font-weight: 400;
  color: var(--negro);
  white-space: nowrap;
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--azul-claro);
  min-width: 24px;
}

.section-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--azul);
  font-weight: 500;
  white-space: nowrap;
}

/* ─── BOTONES ───────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--acento);
  color: white;
  padding: 14px 32px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all 0.25s;
}

.btn-primary:hover {
  background: #b8924a;
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-block;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  color: white;
  padding: 14px 32px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.05em;
  transition: all 0.25s;
}

.btn-outline:hover {
  border-color: white;
  background: rgba(255, 255, 255, 0.1);
}

/* ─── HERO ──────────────────────────────────────────────── */
#inicio {
  min-height: 100vh;
  background-image: url(img/001_header.jpg);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  padding-bottom: 80px;
  padding-top: 68px;
  position: relative;
}

#inicio::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(20, 35, 58, 0.76) 0%, rgba(20, 35, 58, 0.3) 60%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--espacio-md);
}

.hero-tag {
  display: inline-block;
  background: var(--acento);
  color: white;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 2px;
  margin-bottom: 24px;
  font-weight: 500;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(36px, 5.5vw, 72px);
  color: white;
  font-weight: 400;
  line-height: 1.12;
  max-width: 620px;
  margin-bottom: 24px;
}

.hero-sub {
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  font-weight: 300;
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ─── STATS ─────────────────────────────────────────────── */
.stats-band {
  background: var(--azul);
  padding: 56px 0;
}

.stats-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--espacio-md);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.stat {
  text-align: center;
  padding: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.stat:last-child {
  border-right: none;
}

.stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 56px;
  font-weight: 400;
  color: white;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.06em;
}

/* ─── NOSOTROS ──────────────────────────────────────────── */
#nosotros {
  padding: var(--espacio-xl) 0;
  background: white;
}

.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--espacio-lg);
  align-items: center;
}

.nosotros-grid.reverse {
  direction: rtl;
}

.nosotros-grid.reverse>* {
  direction: ltr;
}

.nosotros-img {
  border-radius: 2px;
  overflow: hidden;
}

.nosotros-img img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.nosotros-text h3 {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  font-weight: 400;
  color: var(--azul-oscuro);
  margin-bottom: 20px;
  line-height: 1.35;
}

.nosotros-text p {
  color: #555;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
}

.nosotros-text p+p {
  margin-top: 16px;
}

.nosotros-separator {
  height: 1px;
  background: var(--azul-claro);
  margin: 72px 0;
}

/* ─── CONTACTO / FORM FLOTANTE ──────────────────────────── */
#contacto {
  padding: var(--espacio-xl) 0;
  background-image: url(img/004_Flotante.jpg);
  background-size: cover;
  background-position: center;
  position: relative;
}

#contacto::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(25, 40, 65, 0.65);
}

.contacto-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--espacio-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.contacto-text h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 400;
  color: white;
  line-height: 1.2;
  margin-bottom: 24px;
}

.contacto-text p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 32px;
}

.whats-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #25D366;
  color: white;
  padding: 14px 24px;
  border-radius: 3px;
  font-size: 15px;
  font-weight: 500;
  transition: background 0.25s;
}

.whats-btn:hover {
  background: #1fb557;
}

.whats-btn img {
  width: 24px;
  height: 24px;
}

.contacto-form {
  background: white;
  border-radius: 4px;
  padding: 40px;
}

.contacto-form h3 {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  color: var(--azul-oscuro);
  margin-bottom: 6px;
  font-weight: 500;
}

.contacto-form .legend {
  color: var(--gris-medio);
  font-size: 14px;
  margin-bottom: 28px;
}

/* ─── FORMULARIOS ───────────────────────────────────────── */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--azul);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #dde2ea;
  border-radius: 3px;
  font-size: 14px;
  font-family: inherit;
  color: var(--negro);
  transition: border 0.2s;
  outline: none;
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--azul);
}

.form-group textarea {
  height: 80px;
  resize: vertical;
}

.form-btns {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.form-submit {
  flex: 1;
  min-width: 120px;
  background: var(--azul);
  color: white;
  border: none;
  padding: 12px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
}

.form-submit:hover {
  background: var(--azul-oscuro);
}

.form-reset {
  background: transparent;
  color: var(--gris-medio);
  border: 1px solid #dde2ea;
  padding: 12px 20px;
  border-radius: 3px;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}

.form-reset:hover {
  border-color: var(--azul);
  color: var(--azul);
}

/* ─── SERVICIOS ─────────────────────────────────────────── */
#servicios {
  padding: var(--espacio-xl) 0;
  background: var(--gris);
}

.servicios-intro {
  max-width: 700px;
  margin: 0 auto 56px;
  text-align: center;
}

.servicios-intro p {
  font-size: 17px;
  color: #555;
  font-weight: 300;
  line-height: 1.8;
}

.servicios-intro strong {
  color: var(--azul);
  font-weight: 500;
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.servicio-card {
  border-radius: 3px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.servicio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.servicio-card:hover img {
  transform: scale(1.06);
}

.servicio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 35, 58, 0.65) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.servicio-card:hover .servicio-overlay {
  opacity: 1;
}

/* ─── TRAYECTORIA ───────────────────────────────────────── */
#trayectoria {
  padding: var(--espacio-xl) 0;
  background: white;
}

.tray-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--espacio-lg);
  align-items: center;
  margin-bottom: 72px;
}

.tray-text p {
  color: #555;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
}

.tray-text p+p {
  margin-top: 16px;
}

.tray-img img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: 2px;
}

.tray-logos-label {
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gris-medio);
  margin-bottom: 36px;
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}

.logo-item {
  border: 1px solid #eee;
  margin: -1px 0 0 -1px;
  aspect-ratio: 2/1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  transition: background 0.2s;
}

.logo-item:hover {
  background: var(--azul-claro);
  z-index: 1;
}

.logo-item img {
  max-width: 100%;
  max-height: 52px;
  object-fit: contain;
  filter: grayscale(80%);
  transition: filter 0.2s;
}

.logo-item:hover img {
  filter: grayscale(0);
}

/* ─── EQUIPO ────────────────────────────────────────────── */
#equipo {
  padding: var(--espacio-xl) 0;
  background: var(--gris);
}

.equipo-hero {
  background-image: url(img/020_Equipo.jpg);
  background-size: cover;
  background-position: center;
  height: 420px;
  border-radius: 3px;
  display: flex;
  align-items: flex-end;
  margin-bottom: 56px;
  position: relative;
  overflow: hidden;
}

.equipo-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 35, 58, 0.75) 0%, transparent 55%);
}

.equipo-hero-text {
  position: relative;
  z-index: 2;
  padding: 40px;
}

.equipo-hero-text p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
  font-weight: 300;
  max-width: 640px;
  line-height: 1.7;
}

.equipo-form-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.equipo-form-info h3 {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  font-weight: 400;
  color: var(--azul-oscuro);
  margin-bottom: 16px;
  line-height: 1.35;
}

.equipo-form-info p {
  color: #666;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.8;
}

.form-card {
  background: white;
  border-radius: 4px;
  padding: 40px;
}

.form-card legend {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  color: var(--azul-oscuro);
  display: block;
  margin-bottom: 28px;
}

/* ─── UBICACIONES ───────────────────────────────────────── */
#ubicaciones {
  padding: var(--espacio-xl) 0;
  background: white;
}

.ubicaciones-tabs {
  display: flex;
  border-bottom: 2px solid var(--azul-claro);
  margin-bottom: 48px;
  overflow-x: auto;
}

.tab-btn {
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--gris-medio);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
  font-family: inherit;
  white-space: nowrap;
}

.tab-btn.active {
  color: var(--azul);
  border-bottom-color: var(--azul);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}

.ubicacion-info h3 {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  font-weight: 400;
  color: var(--azul-oscuro);
  margin-bottom: 20px;
}

.ubicacion-info address {
  font-style: normal;
  color: #666;
  font-size: 15px;
  line-height: 2;
}

.ubicacion-map iframe {
  width: 100%;
  height: 360px;
  border: none;
  border-radius: 3px;
  display: block;
}

/* ─── GALERÍA ───────────────────────────────────────────── */
#galeria {
  background: white;
}

.galeria-grid {
  display: grid;
  height: 480px;
  grid-template-columns: 1fr 1fr 1.5fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
}

.gal-item {
  overflow: hidden;
}

.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.gal-item:hover img {
  transform: scale(1.05);
}

.gal-item.tall {
  grid-row: span 2;
}

/* ─── FOOTER ────────────────────────────────────────────── */
footer {
  background: #2a3444;
  color: white;
}

.footer-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px var(--espacio-md) 40px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
}

.footer-logo img {
  width: 200px;
  height: auto;
  margin-bottom: 18px;
  padding: 6px 0px;
  border-radius: 4px;
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 18px;
  font-weight: 500;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 300;
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: white;
}

.footer-contact-item {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 300;
  margin-bottom: 10px;
}

.footer-contact-item a {
  color: var(--acento);
}

.footer-contact-item a:hover {
  color: #dfc28a;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px var(--espacio-md);
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 13px;
}

.social-links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.social-links a img {
  width: 28px;
  height: 28px;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.social-links a:hover img {
  opacity: 1;
}


/* ============================================================
   RESPONSIVE — lg: ≤ 1024px
   ============================================================ */
@media (max-width: 1024px) {
  .container {
    padding: 0 32px;
  }

  .nav-inner {
    padding: 0 32px;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    padding: 48px 32px 32px;
    gap: 32px;
  }

  .footer-bottom {
    padding: 20px 32px;
  }

  .logos-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .galeria-grid {
    grid-template-columns: 1fr 1fr 1fr;
    height: 400px;
  }

  .gal-item:nth-child(4) {
    display: none;
  }
}


/* ============================================================
   RESPONSIVE — md: ≤ 768px
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --espacio-xl: 72px;
    --espacio-lg: 40px;
    --espacio-md: 24px;
  }

  /* NAV */
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  /* HERO */
  #inicio {
    align-items: flex-end;
    padding-bottom: 56px;
    min-height: 85vh;
  }

  #inicio::after {
    background: rgba(20, 35, 58, 0.65);
  }

  .hero-content {
    padding: 0 24px;
  }

  .hero-sub {
    font-size: 16px;
    max-width: 100%;
  }

  .hero-btns {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-primary,
  .btn-outline {
    width: 100%;
    text-align: center;
  }

  /* STATS */
  .stats-band {
    padding: 40px 0;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    padding: 0 24px;
    gap: 0;
  }

  .stat {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding: 20px 0;
  }

  .stat:last-child {
    border-bottom: none;
  }

  .stat-num {
    font-size: 44px;
  }

  /* SECCIÓN HEADER */
  .section-header {
    gap: 12px;
  }

  .section-header h2 {
    font-size: 28px;
  }

  .section-line {
    min-width: 16px;
  }

  /* NOSOTROS */
  .nosotros-grid,
  .nosotros-grid.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 32px;
  }

  .nosotros-img img {
    height: 260px;
  }

  .nosotros-separator {
    margin: 48px 0;
  }

  /* CONTACTO */
  .contacto-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 0 24px;
  }

  .contacto-form {
    padding: 28px 24px;
  }

  .whats-btn {
    width: 100%;
    justify-content: center;
  }

  /* SERVICIOS */
  .servicios-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .servicios-intro p {
    font-size: 15px;
  }

  /* TRAYECTORIA */
  .tray-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 48px;
  }

  .tray-img img {
    height: 260px;
  }

  .logos-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* EQUIPO */
  .equipo-hero {
    height: 320px;
  }

  .equipo-hero-text {
    padding: 24px;
  }

  .equipo-hero-text p {
    font-size: 15px;
  }

  .equipo-form-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-card {
    padding: 28px 24px;
  }

  /* UBICACIONES */
  .tab-content.active {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .ubicacion-map iframe {
    height: 280px;
  }

  /* GALERÍA */
  .galeria-grid {
    grid-template-columns: 1fr 1fr;
    height: auto;
    grid-template-rows: 180px 180px 180px;
  }

  .gal-item.tall {
    grid-row: span 1;
  }

  .gal-item:nth-child(4) {
    display: block;
  }

  .gal-item:nth-child(5),
  .gal-item:nth-child(6) {
    display: none;
  }

  /* FOOTER */
  .footer-main {
    grid-template-columns: 1fr 1fr;
    padding: 40px 24px 28px;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding: 20px 24px;
    gap: 12px;
  }
}


/* ============================================================
   RESPONSIVE — sm: ≤ 640px
   ============================================================ */
@media (max-width: 640px) {
  :root {
    --espacio-xl: 56px;
  }

  .nav-inner {
    padding: 0 20px;
  }

  .nav-logo img {
    height: 38px;
  }

  .container {
    padding: 0 20px;
  }

  /* HERO */
  #inicio {
    min-height: 90vh;
    padding-bottom: 48px;
  }

  .hero-content {
    padding: 0 20px;
  }

  .hero-tag {
    font-size: 10px;
    padding: 4px 12px;
    margin-bottom: 16px;
  }

  /* SERVICIOS */
  .servicios-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  /* TRAYECTORIA — logos 2 col */
  .logos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .logo-item {
    padding: 12px;
  }

  /* STATS */
  .stat-num {
    font-size: 40px;
  }

  /* FOOTER */
  .footer-main {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}


/* ============================================================
   RESPONSIVE — xs: ≤ 480px
   ============================================================ */
@media (max-width: 480px) {
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .section-line {
    width: 100%;
  }

  .section-header h2 {
    font-size: 26px;
  }

  /* HERO */
  #inicio {
    min-height: 100svh;
  }

  .hero-title {
    margin-bottom: 16px;
  }

  .hero-sub {
    margin-bottom: 28px;
  }

  /* SERVICIOS — 1 columna */
  .servicios-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }

  /* GALERÍA */
  .galeria-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, 200px);
  }

  .gal-item:nth-child(n+4) {
    display: none;
  }

  /* CONTACTO */
  .contacto-form {
    padding: 24px 16px;
  }

  .form-btns {
    flex-direction: column;
  }

  .form-submit,
  .form-reset {
    width: 100%;
  }

  /* EQUIPO */
  .equipo-hero {
    height: 260px;
  }

  .form-card {
    padding: 24px 16px;
  }

  /* FOOTER */
  .footer-main {
    padding: 36px 20px 24px;
  }

  .footer-bottom {
    padding: 16px 20px;
  }

  .social-links a img {
    width: 24px;
    height: 24px;
  }
}