/* ============================================================
   NETEREA.ES — main.css
   Sistema de diseño global
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=Source+Sans+3:wght@300;400;600;700&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  /* Serene Domesticity design system (DESIGN.md) */
  --blanco:        #FFFFFF;
  --fondo:         #F9F9F7;
  --verde-oscuro:  #123D29;
  --verde-medio:   #254F39;
  --verde-claro:   #A4D1B5;
  --verde-piel:    #DFE9E4;
  --carbon:        #1A1C1B;
  --gris-texto:    #414943;
  --gris-borde:    #DFE9E4;
  --acento:        #F5CC6E;
  --acento-hover:  #EAC165;

  --font-display:  'Playfair Display', Georgia, serif;
  --font-body:     'Source Sans 3', system-ui, sans-serif;

  --max-width:     1200px;
  --radius-sm:     4px;
  --radius-md:     8px;
  --radius-lg:     16px;
  --radius-pill:   9999px;

  --shadow-sm:     0 4px 20px rgba(18,61,41,0.05);
  --shadow-md:     0 8px 30px rgba(18,61,41,0.08);
  --shadow-lg:     0 16px 48px rgba(18,61,41,0.12);

  --transition:    0.2s ease;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--fondo);
  color: var(--carbon);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ── Tipografía (escala DESIGN.md) ───────────────────────────── */
h1, h2 { font-family: var(--font-display); color: var(--carbon); }
h3 { font-family: var(--font-body); color: var(--carbon); }
h1 {
  font-size: clamp(2.25rem, 1rem + 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(1.75rem, 1rem + 2.2vw, 2rem);
  font-weight: 600;
  line-height: 1.25;
}
h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
}
h4 { font-size: 1rem; font-weight: 700; font-family: var(--font-body); }
p { color: var(--gris-texto); max-width: 65ch; }

.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.33;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--verde-claro);
  margin-bottom: 0.6rem;
  display: block;
}

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
}
.section--alt {
  background: var(--verde-piel);
}
.section--dark {
  background: var(--verde-oscuro);
  color: var(--blanco);
}
.section--dark h2, .section--dark h3 { color: var(--blanco); }
.section--dark p { color: rgba(255,255,255,0.78); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

/* ── Navegación ─────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow-md); }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--verde-oscuro);
  letter-spacing: -0.02em;
}
.nav__logo span { color: var(--verde-claro); }
.nav__links {
  display: flex;
  gap: 2rem;
}
.nav__links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gris-texto);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--verde-oscuro); }
.nav__cta { display: flex; align-items: center; gap: 1rem; }
.nav__hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav__hamburger span { display: block; width: 24px; height: 2px; background: var(--carbon); border-radius: 2px; transition: var(--transition); }

/* ── Botones ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--verde-oscuro);
  color: var(--blanco);
}
.btn--primary:hover {
  background: var(--verde-medio);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--secondary {
  background: transparent;
  color: var(--verde-oscuro);
  border: 2px solid var(--verde-oscuro);
}
.btn--secondary:hover {
  background: var(--verde-piel);
}
.btn--acento {
  background: var(--acento);
  color: var(--carbon);
}
.btn--acento:hover {
  background: var(--acento-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--lg { padding: 1rem 2.25rem; font-size: 1rem; }
.btn--sm { padding: 0.5rem 1.1rem; font-size: 0.8rem; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--verde-oscuro);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/hero-limpieza-hogar.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}
/* Diagonal signature element */
.hero__diagonal {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--fondo);
  clip-path: polygon(0 60%, 100% 0%, 100% 100%, 0% 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px 140px;
  color: var(--blanco);
}
.hero__content h1 {
  color: var(--blanco);
  max-width: 700px;
  margin-bottom: 1.25rem;
}
.hero__content h1 em {
  font-style: italic;
  color: var(--verde-claro);
}
.hero__content p {
  color: rgba(255,255,255,0.82);
  font-size: 1.15rem;
  max-width: 520px;
  margin-bottom: 2rem;
}
.hero__tagline {
  display: inline-block;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-pill);
  padding: 0.3rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--verde-claro);
  margin-bottom: 1.5rem;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__trust {
  margin-top: 2.5rem;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.hero__trust-item {
  display: flex;
  flex-direction: column;
}
.hero__trust-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--acento);
  line-height: 1;
}
.hero__trust-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  max-width: 100px;
}

/* ── Municipios strip ────────────────────────────────────────── */
.municipios-strip {
  background: var(--verde-oscuro);
  padding: 18px 0;
  overflow: hidden;
}
.municipios-strip__inner {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  flex-wrap: wrap;
}
.municipios-strip a {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.04em;
  transition: color var(--transition);
  white-space: nowrap;
}
.municipios-strip a:hover { color: var(--verde-claro); }
.municipios-strip__dot {
  width: 4px;
  height: 4px;
  background: var(--verde-claro);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Cards de servicio ──────────────────────────────────────── */
.service-card {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border-left: 4px solid var(--verde-claro);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--verde-oscuro);
}
.service-card__icon {
  font-size: 2rem;
  line-height: 1;
}
.service-card h3 { margin-bottom: 0.25rem; }
.service-card p { font-size: 0.88rem; }
.service-card__link {
  margin-top: auto;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--verde-oscuro);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--transition);
}
.service-card:hover .service-card__link { gap: 0.6rem; }

/* ── Diferencial "por qué nosotros" ────────────────────────── */
.diferencial-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--gris-borde);
}
.diferencial-item:last-child { border-bottom: none; }
.diferencial-item__num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--verde-piel);
  line-height: 1;
  flex-shrink: 0;
  width: 60px;
  text-align: right;
}
.diferencial-item__content h3 { margin-bottom: 0.35rem; }
.diferencial-item__content p { font-size: 0.9rem; }

/* ── Testimonios ────────────────────────────────────────────── */
.testimonial {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.testimonial::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--verde-piel);
  position: absolute;
  top: -0.5rem;
  left: 1.25rem;
  line-height: 1;
}
.testimonial__text {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--carbon);
  margin-bottom: 1.25rem;
  padding-top: 1rem;
}
.testimonial__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--verde-piel);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.testimonial__name { font-weight: 700; font-size: 0.88rem; }
.testimonial__location { font-size: 0.78rem; color: var(--gris-texto); }
.testimonial__stars { color: var(--acento); font-size: 0.9rem; }

/* ── Zona de cobertura ──────────────────────────────────────── */
.zona-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
}
.zona-pill {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radius-pill);
  padding: 0.6rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--verde-oscuro);
  text-align: center;
  transition: all var(--transition);
  display: block;
}
.zona-pill:hover {
  background: var(--verde-oscuro);
  color: var(--blanco);
  border-color: var(--verde-oscuro);
}

/* ── Formulario ─────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--carbon);
  letter-spacing: 0.03em;
}
.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--gris-borde);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--carbon);
  background: var(--blanco);
  transition: border-color var(--transition);
  appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--verde-claro);
  box-shadow: 0 0 0 3px rgba(116,198,157,0.2);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.25rem; }
.form-submit { text-align: center; margin-top: 0.5rem; }

/* ── Badge ──────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge--verde { background: var(--verde-piel); color: var(--verde-oscuro); }
.badge--acento { background: #FEF3C7; color: #92400E; }

/* ── Section header centrado ────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}
.section-header p { margin: 0.75rem auto 0; }

/* ── CTA banner ─────────────────────────────────────────────── */
.cta-banner {
  background: var(--verde-oscuro);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-banner h2 { color: var(--blanco); margin-bottom: 0.5rem; }
.cta-banner p { color: rgba(255,255,255,0.75); }

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--carbon);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 32px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer__brand h3 {
  font-family: var(--font-display);
  color: var(--blanco);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}
.footer__brand h3 span { color: var(--verde-claro); }
.footer__brand p { font-size: 0.85rem; max-width: 280px; }
.footer__col h4 {
  color: var(--blanco);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.footer__col ul li { margin-bottom: 0.5rem; }
.footer__col ul li a {
  font-size: 0.85rem;
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: var(--verde-claro); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
}
.footer__legal { display: flex; gap: 1.5rem; }
.footer__legal a:hover { color: var(--verde-claro); }

/* ── CTA móvil flotante ─────────────────────────────────────── */
.cta-mobile-float {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: var(--blanco);
  border-top: 1px solid var(--gris-borde);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  z-index: 90;
}
.cta-mobile-float .btn { width: 100%; justify-content: center; }

/* ── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.8rem;
  color: var(--gris-texto);
  padding: 1rem 0;
}
.breadcrumb a { color: var(--verde-medio); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb__sep { color: var(--gris-borde); }

/* ── Página interior hero (servicios y municipios) ──────────── */
.page-hero {
  background: var(--verde-oscuro);
  padding: 64px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--fondo);
  clip-path: polygon(0 100%, 100% 0%, 100% 100%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--blanco); margin-bottom: 0.75rem; }
.page-hero p { color: rgba(255,255,255,0.8); font-size: 1.1rem; }

/* ── Accesibilidad ──────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--verde-claro); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav--open .nav__links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--blanco);
    padding: 1.5rem 24px;
    border-bottom: 1px solid var(--gris-borde);
    box-shadow: var(--shadow-md);
    gap: 1.25rem;
  }
  .nav--open .nav__cta .btn { display: none; }
  .cta-mobile-float { display: block; }
  .hero__content { padding-bottom: 100px; }
  .hero__trust { gap: 1.5rem; }
  .form-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}