/* ============================================================
   CopyNET — Sistema de Diseño 2026
   Estilo: Clean Industrial
   ============================================================ */

/* ─── Variables ──────────────────────────────────────────── */
:root {
  --color-bg:        #F8F7F4;
  --color-surface:   #FFFFFF;
  --color-border:    #E0DDD8;
  --color-border-dark: #C5C0B8;
  --color-ink:       #111111;
  --color-ink-muted: #6B6760;
  --color-accent:    #C41E3A;
  --color-accent-hover: #A01830;

  --font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  --radius-sm: 3px;
  --radius-md: 6px;

  --transition: 220ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --container: 1344px;
  --container-narrow: 800px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ─── Tipografía ─────────────────────────────────────────── */
.t-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.t-overline {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3.2rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; letter-spacing: -0.01em; }

p { line-height: 1.75; color: var(--color-ink-muted); }

/* ─── Layout ─────────────────────────────────────────────── */
.container {
  width: min(var(--container), 100% - 20px);
  margin-inline: auto;
  padding-inline: 10px;
}

.container--narrow {
  width: min(var(--container-narrow), 100% - 2rem);
  margin-inline: auto;
}

/* ─── HEADER / NAV ───────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--space-lg);
}

.site-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.site-logo-img {
  height: 60px;
  width: auto;
  display: block;
}

/* ─── HERO CON IMAGEN ────────────────────────────────────── */

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.site-nav a {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-ink-muted);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.site-nav a:hover {
  color: var(--color-ink);
  background: var(--color-border);
}

.nav-map { display: none; }

.site-nav a.active {
  color: var(--color-ink);
  background: var(--color-border);
  font-weight: 700;
}

.nav-cta {
  background: var(--color-accent) !important;
  color: #fff !important;
  border-radius: var(--radius-sm) !important;
  padding: 0.45rem 1rem !important;
}

.nav-cta:hover {
  background: var(--color-accent-hover) !important;
  color: #fff !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 800px;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) 0 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/fondo002.webp');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(8, 15, 40, 0.88) 0%,
    rgba(8, 15, 40, 0.82) 38%,
    rgba(8, 15, 40, 0.30) 62%,
    rgba(8, 15, 40, 0.00) 80%
  );
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 0;
  align-items: stretch;
  min-height: 680px;
}

.hero-content {
  padding-bottom: var(--space-lg);
  padding-right: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-person {
  position: relative;
}

@keyframes heroPop {
  from {
    transform: translateX(-50%) translateY(60px);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

.hero-person img,
.hero-girl {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 100%;
  max-height: 820px;
  width: auto;
  max-width: none;
  display: block;
  filter: drop-shadow(-8px 0 32px rgba(0,0,0,0.45));
  animation: heroPop 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-person-placeholder {
  width: 100%;
  max-width: 420px;
  height: 500px;
  border: 2px dashed rgba(255,255,255,0.25);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.6;
}

.hero-person-placeholder small {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    overflow: hidden;
    padding-bottom: 0;
    isolation: auto;
  }
  .hero-bg,
  .hero-inner {
    z-index: auto;
  }
  .hero-split {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 0;
  }
  .hero-content {
    padding-right: 0;
    padding-bottom: var(--space-md);
  }
  .hero-person {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    min-height: auto;
    height: auto;
    margin-top: 0;
    padding: 0;
  }
  .hero-person img,
  .hero-girl {
    position: static;
    bottom: auto;
    left: auto;
    transform: none;
    height: auto;
    max-height: none;
    width: 85%;
    max-width: 360px;
    margin: 0 auto;
    display: block;
    animation: none;
  }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

.hero h1 {
  max-width: 14ch;
  margin-bottom: var(--space-md);
}

.hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-desc {
  font-size: 1.125rem;
  max-width: 52ch;
  margin-bottom: var(--space-lg);
  color: var(--color-ink-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.hero-rule {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2xl) 0 var(--space-lg);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--color-ink);
  line-height: 1;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  margin-top: 0.25rem;
}

/* ─── BOTONES ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 16px rgba(196, 30, 58, 0.28);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-ink);
  border: 1.5px solid var(--color-border-dark);
}

.btn-outline:hover {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-bg);
}

.btn-lg {
  font-size: 1rem;
  padding: 1rem 2rem;
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.55rem 1.1rem;
}

.btn-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
}

.btn:hover .btn-icon { transform: translateX(3px); }

/* ─── SECCIONES ──────────────────────────────────────────── */
.section {
  padding: var(--space-3xl) 0;
}

.section--alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: var(--space-xl);
}

.section-header .t-overline {
  display: block;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  max-width: 20ch;
}

.section-header p {
  margin-top: 0.75rem;
  max-width: 58ch;
}

/* ─── GRID DE SERVICIOS ──────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* 2×2 para materiales especiales */
.services-grid--2x2 {
  grid-template-columns: repeat(2, 1fr);
}

.service-card {
  background: var(--color-surface);
  padding: var(--space-lg) var(--space-md);
  transition: background var(--transition);
  position: relative;
}

.service-card:hover {
  background: var(--color-bg);
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-icon {
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-ink);
  transition: border-color var(--transition), color var(--transition);
}

.service-card:hover .service-icon {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.service-icon svg {
  width: 20px;
  height: 20px;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ─── LISTA DE SERVICIOS (página servicios) ──────────────── */
.services-list-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg) var(--space-xl);
}

.service-group h3 {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink);
  padding-bottom: 0.75rem;
  border-bottom: 1.5px solid var(--color-border-dark);
  margin-bottom: var(--space-sm);
}

.service-group ul li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
  color: var(--color-ink);
}

.service-group ul li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.2em;
}

/* ─── CTA BAND ───────────────────────────────────────────── */
.cta-band {
  background: var(--color-ink);
  padding: var(--space-xl) 0;
  border-top: 3px solid var(--color-accent);
}

.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 28ch;
}

.cta-band p {
  color: rgba(255,255,255,0.6);
  margin-top: 0.5rem;
}

/* ─── NOSOTROS ───────────────────────────────────────────── */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-visual {
  aspect-ratio: 4/3;
  background: var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  background:
    repeating-linear-gradient(
      -45deg,
      var(--color-bg),
      var(--color-bg) 10px,
      var(--color-border) 10px,
      var(--color-border) 11px
    );
}

.about-content > * + * { margin-top: var(--space-md); }

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.value-item {
  padding: var(--space-md) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: background var(--transition), border-color var(--transition);
  cursor: default;
}

.value-item:hover {
  background: var(--color-ink);
  border-color: var(--color-ink);
}

.value-item h4 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}

.value-item:hover h4 {
  color: var(--color-accent);
}

.value-item p {
  font-size: 0.875rem;
  transition: color var(--transition);
}

.value-item:hover p {
  color: rgba(255,255,255,0.82);
}

@media (max-width: 900px) {
  .values-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── LOCATION GRID (Nosotros) ───────────────────────────── */
.location-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-lg);
  align-items: stretch;
  min-height: 480px;
}

.location-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  min-height: 480px;
}

.location-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  filter: grayscale(0.2) contrast(1.05);
}

.location-panel {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}

.location-panel-img {
  aspect-ratio: 16/9;
  background: var(--color-border);
  overflow: hidden;
  flex-shrink: 0;
}

.location-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--color-ink-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: repeating-linear-gradient(
    -45deg,
    var(--color-bg),
    var(--color-bg) 10px,
    var(--color-border) 10px,
    var(--color-border) 11px
  );
}

.location-panel-body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.location-detail {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.location-detail:last-of-type {
  border-bottom: none;
}

.location-detail-icon {
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.location-detail strong {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: 0.25rem;
}

.location-detail p,
.location-detail a {
  font-size: 0.9rem;
  color: var(--color-ink);
  line-height: 1.5;
}

.location-detail a:hover {
  color: var(--color-accent);
}

.btn-location {
  margin-top: auto;
  justify-content: center;
  width: 100%;
}

@media (max-width: 900px) {
  .location-grid {
    grid-template-columns: 1fr;
  }
  .location-map {
    min-height: 320px;
  }
}

/* ─── CONTACTO ───────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info > * + * { margin-top: var(--space-md); }

.contact-detail {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-detail-icon {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-ink);
}

.contact-detail-icon svg { width: 16px; height: 16px; }

.contact-detail-text strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: 0.2rem;
}

.contact-detail-text p {
  font-size: 0.9375rem;
  color: var(--color-ink);
  line-height: 1.5;
}

.contact-map {
  margin-top: var(--space-lg);
  aspect-ratio: 16/9;
  background: var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(0.3) contrast(1.05);
}

/* ─── FORMULARIO ─────────────────────────────────────────── */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.form-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-grid .form-group--full {
  grid-column: 1 / -1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-ink);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-ink);
  box-shadow: 0 0 0 3px rgba(17,17,17,0.07);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-honeypot { display: none !important; }

.form-status {
  margin-top: var(--space-sm);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
}

.form-status.success {
  background: #EDFAF1;
  color: #1A7A40;
  border: 1px solid #B2DFCA;
  display: block;
}

.form-status.error {
  background: #FEF0F2;
  color: #B91C1C;
  border: 1px solid #FCA5A5;
  display: block;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-sm);
}

.btn-submit .spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-submit.loading .spinner { display: block; }
.btn-submit.loading .btn-text { opacity: 0.7; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── PAGE HERO (páginas internas) ──────────────────────── */
.page-hero {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.page-hero .t-overline { margin-bottom: 0.5rem; display: block; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
.page-hero p { margin-top: 0.75rem; font-size: 1.0625rem; max-width: 56ch; }

/* Page hero con imagen de fondo */
.page-hero--bg {
  position: relative;
  background-size: cover;
  background-position: center;
  background-color: var(--color-ink);
  border-bottom: none;
  padding: var(--space-2xl) 0;
}

.page-hero--bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(0,0,0,0.78) 0%,
    rgba(0,0,0,0.65) 50%,
    rgba(0,0,0,0.40) 100%
  );
  z-index: 0;
}

.page-hero--bg .container {
  position: relative;
  z-index: 1;
}

.page-hero--bg .t-overline { color: var(--color-accent); }
.page-hero--bg h1 { color: #fff; }
.page-hero--bg p  { color: rgba(255,255,255,0.82); }

/* ─── FOOTER ─────────────────────────────────────────────── */
.site-footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.7);
  padding: var(--space-2xl) 0 var(--space-md);
  border-top: 3px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand .site-logo {
  color: #fff;
  margin-bottom: var(--space-sm);
  font-size: 1.4rem;
}

.footer-brand p {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 34ch;
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-sm);
}

.footer-col ul li + li { margin-top: 0.5rem; }
.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ─── ANIMACIONES SCROLL ─────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .about-layout,
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .services-list-section { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root {
    --space-3xl: 5rem;
    --space-2xl: 3.5rem;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--color-bg);
    padding: var(--space-lg);
    gap: 0;
    border-top: 1px solid var(--color-border);
    z-index: 9999;
    overflow-y: auto;
  }

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

  .site-nav a {
    font-size: 1.1rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    width: 100%;
  }

  .nav-toggle { display: flex; }

  .nav-map {
    display: block;
    width: 100%;
    padding: var(--space-md) 0 var(--space-sm);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-sm);
  }

  .nav-map iframe {
    width: 100%;
    height: 220px;
    border: 0;
    border-radius: var(--radius-md);
  }

  .nav-map-info {
    text-align: center;
    padding: var(--space-sm) 0;
  }

  .nav-map-info p {
    font-size: 0.875rem;
    color: var(--color-ink-muted);
    margin-bottom: 0.5rem;
    line-height: 1.5;
  }

  .nav-map-info a {
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-accent);
    text-decoration: none;
  }

  .nav-map-info a:hover {
    color: var(--color-accent-hover);
  }

  .hero-stats { gap: var(--space-md); }

  .cta-band-inner { flex-direction: column; align-items: flex-start; }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }

  .form-grid { grid-template-columns: 1fr; }
  .form-grid .form-group--full { grid-column: 1; }
}