/* ==========================================================================
   FAMIJ Soluciones Integrales S.A.C. — Hoja de estilos del sitio
   Interfaz en HTML y CSS. El único JavaScript del sitio (al final de
   index.html) calcula los años de experiencia y arma el mensaje del
   cotizador; nada de la maquetación depende de él.
   ========================================================================== */

:root {
  /* ===== Identidad FAMIJ — Azul · Rojo · Blanco =====
     Navy = estructura y autoridad técnica. Rojo = acento único, reservado
     para el CTA y un solo momento de énfasis. Blanco frío = fondo.
     Proporción objetivo: ~70% blanco/neutro · ~22% navy · ~8% rojo.
     Compartido por index.html y portafolio.html. */

  /* Estructura */
  --navy-deep: #0A2240;      /* navbar, footer, secciones oscuras */
  --navy-2:    #123458;      /* hover / superficie elevada sobre navy */

  /* Acento único — rojo */
  --red:         #C8102E;    /* sobre fondo claro: CTA, enlaces, bordes */
  --red-hover:   #A30C24;
  --red-on-dark: #FF5A5A;    /* sobre navy: cumple 4.5:1 para texto */

  /* Neutros con sesgo azul (elegidos, no grises por defecto) */
  --white:   #FFFFFF;
  --paper:   #F5F8FC;
  --paper-2: #E8EFF7;
  --ink:     #0A1929;
  --ink-soft: #51637A;
  --line:    #D3DFEC;
  --line-on-dark: rgba(255,255,255,0.16);

  --font-display: "Archivo Black", sans-serif;
  --font-body: "Archivo", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius: 2px;
  --container: 1220px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }
/* Sobre superficies navy el rojo profundo pierde contraste: se aclara el anillo.
   La barra de navegación es blanca, así que ahí se mantiene el rojo profundo. */
footer :focus-visible,
.section-dark :focus-visible,
.hero :focus-visible,
.trust-strip :focus-visible,
.portfolio-hero :focus-visible,
.pf-cta :focus-visible { outline-color: var(--red-on-dark); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* --------------------------------------------------------------------
   Utilidades y Botones
   -------------------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy-deep);
  font-weight: 600;
}
.eyebrow--light { color: var(--red-on-dark); }

.h-section {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 0.98;
  margin: 10px 0 18px;
}

.section-head { max-width: 680px; margin-bottom: 40px; }
.section-head p { color: var(--ink-soft); font-size: 16.5px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-hover); }
.btn-outline { border-color: var(--line-on-dark); color: var(--white); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

.btn-portfolio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--red);
}
.btn-portfolio:hover { color: var(--navy-deep); text-decoration: underline; }

/* --------------------------------------------------------------------
   HEADER & MENÚ EN CINTA DE OPCIONES (DROPDOWN RIBBON CSS)
   -------------------------------------------------------------------- */
/* Barra blanca: deja que el logo se lea a todo color, sin recortes
   ni versiones invertidas. El resto del sitio conserva el navy. */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--red);
  box-shadow: 0 1px 14px rgba(10, 34, 64, 0.08);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  /* Si la imagen del logo falta, el texto alternativo se ve presentable */
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--navy-deep);
  text-transform: uppercase;
}
.logo img {
  height: 52px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy-deep);
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--red); }

/* Dropdown / Ribbon de Servicios */
.nav-dropdown { position: relative; display: inline-block; }
.dropdown-trigger { display: flex; align-items: center; gap: 6px; cursor: pointer; padding: 10px 0; }
.drop-icon { font-size: 11px; transition: transform 0.2s ease; }

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 310px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  box-shadow: 0 12px 28px rgba(10,34,64,0.18);
  padding: 10px 0;
  z-index: 1005;
}
.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  font-size: 12px;
  color: var(--navy-deep);
  border-bottom: 1px solid var(--line);
}
.dropdown-menu a:last-child { border-bottom: none; }
.dropdown-menu a:hover { background: var(--paper-2); color: var(--red); }
.dropdown-menu a i { color: var(--red); width: 16px; }

.nav-dropdown:hover .dropdown-menu { display: block; }
.nav-dropdown:hover .drop-icon { transform: rotate(180deg); }
/* Accesible también con teclado / touch: al enfocar cualquier link interno */
.nav-dropdown:focus-within .dropdown-menu { display: block; }

.nav-btn-highlight {
  background: var(--red);
  color: var(--white) !important;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-weight: 700;
}

.nav-toggle-checkbox { display: none; }
.nav-toggle-label { display: none; color: var(--navy-deep); font-size: 22px; cursor: pointer; }

/* --------------------------------------------------------------------
   HERO — foto real de obra, contenida al mismo ancho que el resto del
   sitio (1220px vía .container) para no forzar el estirado de la foto
   a todo el ancho de pantalla.
   -------------------------------------------------------------------- */
.hero { background: var(--navy-deep); padding: 40px 0; }
.hero-frame {
  position: relative;
  isolation: isolate;
  aspect-ratio: 16 / 8.4;
  min-height: 420px;
  max-height: 620px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border-radius: 2px;
}
.hero-photo {
  position: absolute;
  inset: 0;
  background-image: url("assets/trabajos/mezzanine-estructura-metalica.jpg");
  background-size: cover;
  background-position: 55% 40%;
  filter: grayscale(.08) contrast(1.04);
}
.hero-scrim {
  position: absolute;
  inset: 0;
  /* Velo navy (no negro): tiñe la foto hacia el azul de marca */
  background:
    linear-gradient(180deg, rgba(6,20,38,.15) 0%, rgba(6,20,38,.22) 45%, rgba(6,20,38,.88) 100%),
    linear-gradient(90deg, rgba(6,20,38,.62) 0%, rgba(6,20,38,.06) 42%);
}

.hero-content { position: relative; z-index: 2; padding: 0 40px 40px; max-width: 660px; }
.hero-eyebrow {
  font-family: var(--font-mono); color: #BFD4EA; font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  margin: 0 0 16px; opacity: 0; animation: heroRise .6s ease-out .05s forwards;
}
.hero h1 {
  font-family: var(--font-display); font-size: clamp(30px, 5vw, 58px); line-height: .98;
  text-transform: uppercase; color: #FFFFFF; margin: 0 0 18px; text-wrap: balance;
}
.hero h1 span { display: block; opacity: 0; transform: translateY(14px); animation: heroRise .62s cubic-bezier(.22,.68,.36,1) forwards; }
/* Retardo por posición; el color va aparte para que el número de
   líneas del titular pueda cambiar sin romper la secuencia. */
.hero h1 span:nth-child(1) { animation-delay: .12s; }
.hero h1 span:nth-child(2) { animation-delay: .24s; }
.hero h1 span:nth-child(3) { animation-delay: .36s; }
.hero h1 span.accent { color: var(--red-on-dark); }
/* Acento rojo para titulares sobre fondo claro */
.h-section .accent { color: var(--red); }
.hero-content .lede {
  font-family: var(--font-body); color: #DCE7F3; font-size: 15.5px; line-height: 1.55; max-width: 460px;
  margin: 0 0 26px; opacity: 0; animation: heroRise .6s ease-out .46s forwards;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; opacity: 0; animation: heroRise .6s ease-out .56s forwards; }

.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 28px; max-width: 460px; background: rgba(255,255,255,.18); opacity: 0; animation: heroRise .6s ease-out .64s forwards; }
.hero-stats div { background: rgba(6,20,38,.66); padding: 12px; text-align: center; }
.hero-stats strong { display: block; font-family: var(--font-display); font-size: 20px; color: var(--white); }
.hero-stats span { font-family: var(--font-mono); font-size: 9.5px; color: rgba(255,255,255,.8); }

@keyframes heroRise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .hero-eyebrow, .hero h1 span, .hero-content .lede, .hero-actions, .hero-stats { animation: none !important; opacity: 1 !important; transform: none !important; }
}
@media (max-width: 620px) {
  .hero-frame { aspect-ratio: auto; min-height: 560px; }
  .hero-content { padding: 0 22px 28px; }
}

/* Franja de cobertura */
.trust-strip {
  background: var(--ink);
  color: #fff;
  padding: 14px 0;
  border-bottom: 3px solid var(--red-on-dark);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: center;
}
.trust-strip strong { color: var(--red-on-dark); }

/* --------------------------------------------------------------------
   SECCIONES Y TARJETAS DE SERVICIOS
   -------------------------------------------------------------------- */
section { padding: 80px 0; }
.section-alt { background: var(--paper-2); }
.section-dark { background: var(--navy-deep); color: white; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.mv-cards { display: grid; gap: 18px; }
.mv-card { background: white; padding: 22px; border-left: 4px solid var(--navy-deep); border: 1px solid var(--line); }
.mv-card.visn { border-left-color: var(--red); }

.plate-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 24px; }
.plate-card { background: white; border: 1px solid var(--line); transition: transform 0.2s ease, border-color 0.2s ease; }
.plate-card:hover { transform: translateY(-4px); border-color: var(--red); }
.plate-photo { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.plate-photo img { width: 100%; height: 100%; object-fit: cover; }
.plate-tab {
  position: absolute; top: 10px; left: 10px;
  background: var(--navy-deep); color: var(--paper);
  padding: 4px 9px; font-family: var(--font-mono); font-size: 10px; font-weight: 600; letter-spacing: .04em;
}
.plate-body { padding: 20px; }
.plate-body h3 { font-family: var(--font-body); font-weight: 700; font-size: 18px; color: var(--navy-deep); margin-bottom: 6px; letter-spacing: -.005em; }
.plate-body p { color: var(--ink-soft); font-size: 14.5px; }

.btn-detail {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--navy-deep);
  font-weight: bold;
}
.btn-detail:hover { text-decoration: underline; color: var(--red); }

/* --------------------------------------------------------------------
   SECCIÓN DE LOGOS DE CLIENTES — cinta continua, logos grandes
   -------------------------------------------------------------------- */
.logos-marquee {
  margin-top: 28px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.logos-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: logosMarquee 46s linear infinite;
}
.logos-track:hover,
.logos-track:focus-within {
  animation-play-state: paused;
}
.logo-item {
  flex: 0 0 auto;
  width: 220px;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 36px;
}
.logo-item img {
  max-width: 100%;
  max-height: 88px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.25s ease;
}
.logo-item:hover img,
.logo-item:focus-within img {
  transform: scale(1.06);
}

@keyframes logosMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .logos-track { animation: none; flex-wrap: wrap; width: 100%; justify-content: center; }
  .logos-marquee { -webkit-mask-image: none; mask-image: none; }
}

@media (max-width: 620px) {
  .logo-item { width: 160px; height: 100px; padding: 0 20px; }
  .logo-item img { max-height: 64px; }
}

/* --------------------------------------------------------------------
   FORMULARIO Y FAQ
   -------------------------------------------------------------------- */
.quote-form { background: white; padding: 34px; border: 1px solid var(--line); border-top: 4px solid var(--red); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.full-width { grid-column: span 2; }
.form-group label { display: block; font-family: var(--font-mono); font-size: 12px; margin-bottom: 6px; font-weight: bold; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px; border: 1px solid var(--line); font-family: var(--font-body); font-size: 14px; background: var(--paper);
}
.btn-submit { width: 100%; margin-top: 18px; justify-content: center; font-size: 14px; }

.faq-container { display: grid; gap: 12px; }
.faq-item { background: white; border: 1px solid var(--line); padding: 16px 20px; }
.faq-item summary { cursor: pointer; display: flex; justify-content: space-between; align-items: center; list-style: none; font-size: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin-top: 12px; color: var(--ink-soft); font-size: 14.5px; border-top: 1px dashed var(--line); padding-top: 10px; }

/* --------------------------------------------------------------------
   MODALES CON IMÁGENES DETALLADAS (PURE CSS :TARGET)
   -------------------------------------------------------------------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(4px);
  z-index: 2000;
  padding: 20px;
  overflow-y: auto;
}
.modal-overlay:target {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.modal-box {
  background: white;
  max-width: 700px;
  width: 100%;
  padding: 30px;
  position: relative;
  border-top: 5px solid var(--red);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  margin-top: 40px;
}
.modal-close {
  position: absolute;
  top: 12px; right: 18px;
  font-size: 30px;
  color: var(--ink);
  font-weight: bold;
  line-height: 1;
}
.modal-badge { font-family: var(--font-mono); font-size: 11px; color: var(--red); font-weight: bold; }
.modal-badge-real {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--red);
  padding: 5px 10px;
  margin-left: 10px;
}
.modal-box h2 { font-family: var(--font-display); font-size: 28px; color: var(--navy-deep); margin: 8px 0 14px; }
.modal-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 18px; }
.modal-gallery img { width: 100%; height: 160px; object-fit: cover; border: 1px solid var(--line); }
.modal-gallery img.single { grid-column: span 2; height: 260px; }
.modal-details h3 { font-size: 15px; margin-bottom: 8px; }
.modal-details ul { list-style: none; margin-bottom: 15px; }
.modal-details li { font-size: 14px; color: var(--ink-soft); margin-bottom: 6px; display: flex; gap: 8px; align-items: flex-start; }
.modal-details li i { color: var(--navy-deep); margin-top: 3px; }

/* --------------------------------------------------------------------
   FOOTER Y WHATSAPP FLOTANTE
   -------------------------------------------------------------------- */
footer { background: var(--ink); color: rgba(255,255,255,0.8); padding: 70px 0 24px; }
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-list li { list-style: none; display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.contact-list li i { color: var(--red-on-dark); margin-top: 4px; }
.contact-list li span { display: block; }
.contact-list li b {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--red-on-dark);
  margin-bottom: 5px;
}
.footer-bottom { margin-top: 50px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.12); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-family: var(--font-mono); font-size: 11px; }

.whatsapp-btn {
  position: fixed; bottom: 24px; right: 24px;
  width: 56px; height: 56px; border-radius: 50%;
  background: #23C05A; color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; box-shadow: 0 8px 20px rgba(0,0,0,0.3); z-index: 1000;
}

/* --------------------------------------------------------------------
   RESPONSIVE MÓVIL
   -------------------------------------------------------------------- */
@media (max-width: 860px) {
  .about-grid, .contact-wrap, .form-grid { grid-template-columns: 1fr; }
  .full-width { grid-column: span 1; }

  .nav-toggle-label { display: block; }
  .open-icon { display: block; }
  .close-icon { display: none; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    border-bottom: 3px solid var(--red);
  }

  .nav-toggle-checkbox:checked ~ .nav-links { display: flex; }
  .nav-toggle-checkbox:checked ~ .nav-toggle-label .open-icon { display: none; }
  .nav-toggle-checkbox:checked ~ .nav-toggle-label .close-icon { display: block; }

  .dropdown-menu { position: static; box-shadow: none; width: 100%; border: none; }
  .modal-gallery { grid-template-columns: 1fr; }
  .modal-gallery img.single { grid-column: span 1; }
}

/* ==========================================================================
   PÁGINA DE PORTAFOLIO (portafolio.html) — pestañas 100% CSS, sin JS
   ========================================================================== */

.portfolio-hero {
  background: linear-gradient(180deg, rgba(10,34,64,0.95), rgba(10,34,64,0.99)), var(--navy-deep);
  color: var(--white);
  padding: 60px 0 50px;
  text-align: center;
}
.portfolio-hero .eyebrow { justify-content: center; }
.portfolio-hero .h-section { margin: 10px auto 14px; }
.portfolio-hero p { color: rgba(255,255,255,0.78); max-width: 560px; margin: 0 auto; font-size: 15.5px; }
.portfolio-hero .back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--red-on-dark);
}
.portfolio-hero .back-link:hover { text-decoration: underline; }

.pf-tabs-input { position: absolute; opacity: 0; pointer-events: none; }

.pf-cat-ribbon {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 28px;
  margin-bottom: 44px;
}
.pf-cat-ribbon label {
  cursor: pointer;
  padding: 13px 26px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-soft);
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.pf-cat-ribbon label:hover { border-color: var(--red); color: var(--navy-deep); }

.pf-cat-panel { display: none; }

#pf-cat-generales:checked ~ .pf-cat-ribbon label[for="pf-cat-generales"],
#pf-cat-estructuras:checked ~ .pf-cat-ribbon label[for="pf-cat-estructuras"],
#pf-cat-drywall:checked ~ .pf-cat-ribbon label[for="pf-cat-drywall"],
#pf-cat-mantenimiento:checked ~ .pf-cat-ribbon label[for="pf-cat-mantenimiento"] {
  background: var(--navy-deep);
  border-color: var(--navy-deep);
  color: var(--red-on-dark);
}
#pf-cat-generales:checked ~ #pf-panel-generales,
#pf-cat-estructuras:checked ~ #pf-panel-estructuras,
#pf-cat-drywall:checked ~ #pf-panel-drywall,
#pf-cat-mantenimiento:checked ~ #pf-panel-mantenimiento { display: block; }

.pf-group { margin-bottom: 54px; scroll-margin-top: 90px; }
.pf-group:last-child { margin-bottom: 0; }
.pf-group-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 10px;
}
.pf-group-head h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 24px;
  letter-spacing: 0.02em;
  color: var(--navy-deep);
}
.pf-group-head span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}

.pf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.pf-card {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-2);
}
.pf-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.pf-card:hover img { transform: scale(1.06); }
.pf-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10,34,64,0.78) 100%);
  opacity: 0;
  transition: opacity .25s ease;
}
.pf-card:hover::after { opacity: 1; }
.pf-card span {
  position: absolute;
  left: 12px; right: 12px; bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--white);
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .25s ease, transform .25s ease;
}
.pf-card:hover span { opacity: 1; transform: translateY(0); }

.pf-cta {
  margin-top: 60px;
  text-align: center;
  padding: 40px;
  background: var(--navy-deep);
  color: var(--white);
}
.pf-cta h2 { font-family: var(--font-display); text-transform: uppercase; font-size: 30px; margin-bottom: 14px; }
.pf-cta p { color: rgba(255,255,255,0.75); margin-bottom: 22px; }

@media (max-width: 620px) {
  .pf-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
}

/* --------------------------------------------------------------------
   Enlace directo desde index.html a una sección específica del
   portafolio: al llegar con #pf-group-xxx, abre automáticamente
   la pestaña de esa categoría y oculta las demás.
   (usa :target + :has(), sin JavaScript)

   Se apoya en la pertenencia del grupo a su panel en vez de listar
   cada id: así funciona con cualquier grupo nuevo sin tocar el CSS.
   -------------------------------------------------------------------- */

.container:has(#pf-panel-generales .pf-group:target) #pf-panel-generales,
.container:has(#pf-panel-estructuras .pf-group:target) #pf-panel-estructuras,
.container:has(#pf-panel-drywall .pf-group:target) #pf-panel-drywall,
.container:has(#pf-panel-mantenimiento .pf-group:target) #pf-panel-mantenimiento {
  display: block !important;
}

.container:has(#pf-panel-generales .pf-group:target) #pf-panel-estructuras,
.container:has(#pf-panel-generales .pf-group:target) #pf-panel-drywall,
.container:has(#pf-panel-generales .pf-group:target) #pf-panel-mantenimiento,

.container:has(#pf-panel-estructuras .pf-group:target) #pf-panel-generales,
.container:has(#pf-panel-estructuras .pf-group:target) #pf-panel-drywall,
.container:has(#pf-panel-estructuras .pf-group:target) #pf-panel-mantenimiento,

.container:has(#pf-panel-drywall .pf-group:target) #pf-panel-generales,
.container:has(#pf-panel-drywall .pf-group:target) #pf-panel-estructuras,
.container:has(#pf-panel-drywall .pf-group:target) #pf-panel-mantenimiento,

.container:has(#pf-panel-mantenimiento .pf-group:target) #pf-panel-generales,
.container:has(#pf-panel-mantenimiento .pf-group:target) #pf-panel-estructuras,
.container:has(#pf-panel-mantenimiento .pf-group:target) #pf-panel-drywall {
  display: none !important;
}

/* Resalta también la pestaña activa correspondiente */
.container:has(#pf-panel-generales .pf-group:target) .pf-cat-ribbon label[for="pf-cat-generales"],
.container:has(#pf-panel-estructuras .pf-group:target) .pf-cat-ribbon label[for="pf-cat-estructuras"],
.container:has(#pf-panel-drywall .pf-group:target) .pf-cat-ribbon label[for="pf-cat-drywall"],
.container:has(#pf-panel-mantenimiento .pf-group:target) .pf-cat-ribbon label[for="pf-cat-mantenimiento"] {
  background: var(--navy-deep) !important;
  border-color: var(--navy-deep) !important;
  color: var(--red-on-dark) !important;
}

/* Marco temporal de foco visual sobre el grupo al que se llegó directo */
.pf-group:target .pf-group-head {
  border-bottom-color: var(--red);
}
.pf-group:target .pf-group-head h3 { color: var(--red); }

/* --------------------------------------------------------------------
   LIGHTBOX — agrandar fotos al hacer clic (100% CSS, con :target)
   -------------------------------------------------------------------- */

a.pf-card { display: block; cursor: zoom-in; }

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(6, 18, 34, 0.95);
  padding: 60px 24px 24px;
  align-items: center;
  justify-content: center;
}
.lightbox:target { display: flex; }

.lightbox-inner {
  max-width: 1100px;
  width: 100%;
  text-align: center;
}
.lightbox img {
  max-width: 100%;
  max-height: 82vh;
  width: auto;
  margin: 0 auto;
  object-fit: contain;
  border: 1px solid rgba(255,255,255,0.15);
}
.lightbox figcaption {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.75);
}
.lightbox-close {
  position: fixed;
  top: 18px; right: 24px;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  line-height: 1;
  color: var(--white);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  cursor: pointer;
}
.lightbox-close:hover { background: rgba(255,255,255,0.18); }