/*
 * Los Altillos — Pilar 2: Casas con Steel Framing
 * Archivo: assets/pilar-casas.css
 * Prefijo: p2-
 * Cargado condicionalmente desde functions.php solo en page-casas-steel-framing.php
 *
 * Depende de: assets/main.css (variables CSS globales la-)
 * ============================================================ */


/* ---- BREADCRUMB ------------------------------------------ */

.p2-breadcrumb {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
}
.p2-breadcrumb__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
}
.p2-breadcrumb a { color: var(--color-text-subtle); transition: color var(--transition-fast); }
.p2-breadcrumb a:hover { color: var(--color-accent); }
.p2-breadcrumb__sep { color: var(--color-steel); }
.p2-breadcrumb__current { color: var(--color-text-muted); font-weight: 500; }


/* ---- HERO ------------------------------------------------ */

.p2-hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  background-color: var(--color-bg-dark);
  /* fallback — reemplazar vía ACF 'hero_image' */
  background-image: linear-gradient(135deg, #011020 0%, #021a40 40%, #031f50 100%);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.p2-hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    rgba(1,16,32,0.95) 0%,
    rgba(1,16,32,0.55) 40%,
    rgba(1,16,32,0.20) 100%
  );
}
.p2-hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.p2-hero__inner {
  position: relative; z-index: 1;
  max-width: var(--container-max);
  width: 100%; margin: 0 auto;
  padding: 2.5rem 2rem;
}
.p2-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.35rem 0.875rem;
  background: rgba(199,8,29,0.18);
  border: 1px solid rgba(199,8,29,0.38);
  border-radius: 100px;
  font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.82);
  margin-bottom: 1rem;
}
.p2-hero__eyebrow svg { width: 11px; height: 11px; flex-shrink: 0; }
.p2-hero__h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.05; letter-spacing: -0.02em;
  color: #FFF; margin-bottom: 0.875rem; max-width: 640px;
}
.p2-hero__subtitle {
  font-size: clamp(0.9375rem, 1.8vw, 1.0625rem);
  line-height: 1.65; color: rgba(255,255,255,0.58);
  max-width: 540px; margin-bottom: 1.75rem;
}
.p2-hero__meta {
  display: flex; flex-wrap: wrap; gap: 1.25rem;
  padding-top: 1.125rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.p2-hero__meta-item {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.8125rem; color: rgba(255,255,255,0.42);
}
.p2-hero__meta-item svg { width: 13px; height: 13px; flex-shrink: 0; }


/* ---- TOC MOBILE ------------------------------------------ */

.p2-toc-mobile {
  display: none;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}
.p2-toc-mobile__toggle {
  width: 100%; padding: 0.875rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  background: none; border: none;
  font-family: var(--font-body); font-size: 0.875rem; font-weight: 600;
  color: var(--color-text); cursor: pointer;
}
.p2-toc-mobile__chevron {
  width: 16px; height: 16px;
  stroke: var(--color-text-subtle); fill: none;
  transition: transform var(--transition-fast); flex-shrink: 0;
}
.p2-toc-mobile__toggle.is-open .p2-toc-mobile__chevron { transform: rotate(180deg); }
.p2-toc-mobile__list { display: none; padding: 0 1.5rem 1rem; list-style: none; }
.p2-toc-mobile__list.is-open { display: block; }
.p2-toc-mobile__list li { border-bottom: 1px solid var(--color-border); }
.p2-toc-mobile__list li:last-child { border-bottom: none; }
.p2-toc-mobile__list a { display: block; padding: 0.625rem 0; font-size: 0.8125rem; color: var(--color-text-muted); }


/* ---- LAYOUT ---------------------------------------------- */

.p2-layout {
  max-width: var(--container-max); margin: 0 auto;
  padding: 3.5rem 2rem 5rem;
  display: grid; grid-template-columns: 1fr 240px;
  gap: 4rem; align-items: start;
}


/* ---- SIDEBAR TOC ----------------------------------------- */

.p2-sidebar { position: sticky; top: calc(var(--header-height) + 1.5rem); }
.p2-toc {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 1.375rem;
}
.p2-toc__label {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--color-accent);
  margin-bottom: 0.875rem; display: flex; align-items: center; gap: 0.4rem;
}
.p2-toc__label svg { width: 11px; height: 11px; flex-shrink: 0; }
.p2-toc__list { list-style: none; display: flex; flex-direction: column; gap: 0.1rem; }
.p2-toc__list li a {
  display: block; padding: 0.4375rem 0.75rem;
  font-size: 0.8125rem; line-height: 1.4;
  color: var(--color-text-subtle);
  border-radius: var(--radius-sm); border-left: 2px solid transparent;
  transition: all var(--transition-fast);
}
.p2-toc__list li a:hover,
.p2-toc__list li a.is-active {
  color: var(--color-accent);
  background: rgba(199,8,29,0.05);
  border-left-color: var(--color-accent);
}
.p2-toc__list li a.is-active { font-weight: 600; }
.p2-toc__divider { height: 1px; background: var(--color-border); margin: 0.5rem 0; }


/* ---- BASE ARTICLE TYPOGRAPHY ----------------------------- */

.p2-section { padding-bottom: 3rem; margin-bottom: 3rem; border-bottom: 1px solid var(--color-border); }
.p2-section:last-of-type { border-bottom: none; margin-bottom: 0; }
.p2-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  line-height: 1.15; letter-spacing: -0.02em;
  color: var(--color-text); margin-bottom: 1.25rem;
  scroll-margin-top: calc(var(--header-height) + 2rem);
}
.p2-h3 {
  font-size: 1.0625rem; font-weight: 600; line-height: 1.4;
  color: var(--color-text); margin-top: 2rem; margin-bottom: 0.75rem;
}
.p2-p { font-size: 1.0625rem; line-height: 1.8; color: var(--color-text-muted); margin-bottom: 1.25rem; }
.p2-p:last-child { margin-bottom: 0; }
.p2-note {
  padding: 1rem 1.25rem;
  background: rgba(2,55,120,0.05);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.7;
  margin: 1.5rem 0;
}
.p2-note strong { color: var(--color-text); }


/* ---- IMAGE PLACEHOLDER ----------------------------------- */
/*
 * Estructura de uso en producción:
 *   <div class="p2-img" style="aspect-ratio:X/Y">
 *     <img src="..." alt="..." width="X" height="Y" loading="lazy">
 *   </div>
 * El <img> se posiciona absolute vía la regla .p2-img img de abajo.
 */

.p2-img {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #010f24;
  display: block;
}
.p2-img::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  z-index: 0;
}
.p2-img img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; z-index: 2;
}
.p2-img__ph {
  position: absolute; inset: 0; z-index: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0.625rem; padding: 1rem;
}
.p2-img__ph svg { width: 28px; height: 28px; opacity: 0.18; flex-shrink: 0; }
.p2-img__ph-label {
  font-size: 0.675rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: rgba(255,255,255,0.22);
  text-align: center; line-height: 1.5; max-width: 220px;
}


/* ---- INTRO GRID ------------------------------------------ */

.p2-intro-grid {
  display: grid; grid-template-columns: 1fr 340px;
  gap: 2.5rem; align-items: start;
}
.p2-split__caption {
  font-size: 0.8rem; color: var(--color-text-subtle);
  margin-top: 0.75rem;
  display: flex; align-items: center; gap: 0.4rem;
}
.p2-split__caption svg { width: 11px; height: 11px; stroke: var(--color-steel-dark); fill: none; flex-shrink: 0; }


/* ---- MODEL CARDS ----------------------------------------- */

.p2-models-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem; margin-top: 1.75rem;
}
.p2-model-card {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: all var(--transition-base);
}
.p2-model-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}
.p2-model-card__body { padding: 1.125rem 1.25rem 1.375rem; }
.p2-model-card__eyebrow {
  font-size: 0.675rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-accent); margin-bottom: 0.5rem;
}
.p2-model-card__title {
  font-family: var(--font-display);
  font-size: 1rem; line-height: 1.2; color: var(--color-text); margin-bottom: 0.5rem;
}
.p2-model-card__text { font-size: 0.8125rem; line-height: 1.65; color: var(--color-text-muted); }


/* ---- SPLIT LAYOUT ---------------------------------------- */

.p2-split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2.5rem; align-items: center; margin: 2rem 0;
}
.p2-split--rev .p2-split__img { order: 2; }
.p2-split--rev .p2-split__text { order: 1; }


/* ---- FACHADAS GALLERY ------------------------------------ */

.p2-gallery {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem; margin: 1.75rem 0;
}
.p2-gallery__item { position: relative; }
.p2-gallery__item-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 0.625rem 0.875rem;
  background: linear-gradient(to top, rgba(1,16,32,0.85) 0%, transparent 100%);
  font-size: 0.7rem; font-weight: 600;
  color: rgba(255,255,255,0.75);
  text-transform: uppercase; letter-spacing: 0.07em;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  z-index: 4;
}


/* ---- PLANO BLOCK ----------------------------------------- */

.p2-plano-block {
  position: relative; border-radius: var(--radius-xl);
  overflow: hidden; margin: 1.75rem 0;
}
.p2-plano-block__badge {
  position: absolute; top: 1rem; left: 1rem; z-index: 5;
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.35rem 0.875rem;
  background: rgba(1,43,96,0.85); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  font-size: 0.675rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.8);
}
.p2-plano-block__badge svg { width: 10px; height: 10px; fill: none; stroke: rgba(255,255,255,0.6); flex-shrink: 0; }


/* ---- ACERO COMPARE --------------------------------------- */

.p2-acero-compare {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem; margin-top: 1.75rem;
}
.p2-acero-card {
  border-radius: var(--radius-lg); padding: 1.375rem;
  border: 1px solid; position: relative; overflow: hidden;
}
.p2-acero-card--sf {
  background: rgba(2,55,120,0.04);
  border-color: rgba(2,55,120,0.2);
}
.p2-acero-card--sf::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
}
.p2-acero-card--heavy {
  background: var(--color-bg-secondary);
  border-color: var(--color-border);
}
.p2-acero-card__tag {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: 0.875rem;
  display: flex; align-items: center; gap: 0.4rem;
}
.p2-acero-card__tag svg { width: 12px; height: 12px; fill: none; stroke-width: 1.75; flex-shrink: 0; }
.p2-acero-card--sf    .p2-acero-card__tag { color: var(--color-secondary); }
.p2-acero-card--heavy .p2-acero-card__tag { color: var(--color-text-subtle); }
.p2-acero-card__name {
  font-family: var(--font-display);
  font-size: 0.9375rem; color: var(--color-text); margin-bottom: 0.75rem; line-height: 1.2;
}
.p2-acero-card__list { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.p2-acero-card__list li {
  font-size: 0.8125rem; line-height: 1.5; color: var(--color-text-muted);
  display: flex; align-items: flex-start; gap: 0.5rem;
}
.p2-acero-card__list li::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: var(--color-steel-dark); margin-top: 0.5em; flex-shrink: 0;
}
.p2-acero-card--sf .p2-acero-card__list li::before { background: var(--color-secondary); }


/* ---- TYPE CARDS ------------------------------------------ */

.p2-type-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem; margin-top: 1.5rem;
}
.p2-type-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 1.375rem;
}
.p2-type-card__num {
  font-family: var(--font-display);
  font-size: 1.75rem; color: var(--color-steel); line-height: 1; margin-bottom: 0.75rem;
}
.p2-type-card__name { font-size: 0.9375rem; font-weight: 600; color: var(--color-text); margin-bottom: 0.4rem; }
.p2-type-card__desc { font-size: 0.8125rem; line-height: 1.65; color: var(--color-text-subtle); }


/* ---- PROJECT IMG CARDS ----------------------------------- */

.p2-projects-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem; margin-top: 1.75rem;
}
.p2-project-card {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.p2-project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}
.p2-project-card__body { padding: 1.25rem; }
.p2-project-card__eyebrow {
  font-size: 0.675rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-accent); margin-bottom: 0.5rem;
}
.p2-project-card__title { font-size: 0.9375rem; font-weight: 600; color: var(--color-text); margin-bottom: 0.4rem; line-height: 1.3; }
.p2-project-card__text { font-size: 0.8125rem; line-height: 1.65; color: var(--color-text-muted); }


/* ---- FAQ ACCORDION --------------------------------------- */

.p2-faq { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; }
.p2-faq__item { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; transition: border-color var(--transition-fast); }
.p2-faq__item.is-open { border-color: var(--color-accent); }
.p2-faq__trigger {
  width: 100%; padding: 1.0625rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  background: none; border: none; text-align: left; cursor: pointer;
  font-family: var(--font-body); transition: background var(--transition-fast);
}
.p2-faq__trigger:hover,
.p2-faq__item.is-open .p2-faq__trigger { background: var(--color-bg-secondary); }
.p2-faq__q-num { font-size: 0.7rem; font-weight: 700; color: var(--color-accent); font-family: monospace; flex-shrink: 0; min-width: 1.5rem; }
.p2-faq__q-text { flex: 1; font-size: 0.9375rem; font-weight: 600; color: var(--color-text); line-height: 1.4; }
.p2-faq__icon { width: 22px; height: 22px; border-radius: 50%; background: var(--color-bg-tertiary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: all var(--transition-fast); }
.p2-faq__icon svg { width: 10px; height: 10px; stroke: var(--color-text-subtle); fill: none; stroke-width: 2; transition: transform var(--transition-fast); }
.p2-faq__item.is-open .p2-faq__icon { background: var(--color-accent); }
.p2-faq__item.is-open .p2-faq__icon svg { stroke: white; transform: rotate(45deg); }
.p2-faq__body { display: none; padding: 0 1.25rem 1.25rem; }
.p2-faq__item.is-open .p2-faq__body { display: block; }
.p2-faq__answer { font-size: 0.9375rem; line-height: 1.8; color: var(--color-text-muted); border-top: 1px solid var(--color-border); padding-top: 1rem; }


/* ---- CTA BLOCK ------------------------------------------- */

.p2-cta { background: var(--color-bg-dark); border-radius: var(--radius-xl); padding: 2.5rem; margin-top: 3.5rem; position: relative; overflow: hidden; }
.p2-cta::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 50% 80% at 100% 50%, rgba(11,74,161,0.4) 0%, transparent 70%), radial-gradient(ellipse 35% 60% at 0% 80%, rgba(199,8,29,0.14) 0%, transparent 60%); pointer-events: none; }
.p2-cta__inner { position: relative; z-index: 1; }
.p2-cta__eyebrow { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-accent-light); margin-bottom: 0.625rem; }
.p2-cta__title { font-family: var(--font-display); font-size: clamp(1.375rem, 2.5vw, 1.875rem); color: white; line-height: 1.2; margin-bottom: 0.75rem; }
.p2-cta__text { font-size: 1rem; color: rgba(255,255,255,0.55); line-height: 1.7; max-width: 520px; margin-bottom: 1.75rem; }
.p2-cta__links { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.625rem; }
.p2-cta__link { display: flex; align-items: center; gap: 0.75rem; padding: 0.875rem 1.125rem; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-md); transition: all var(--transition-base); }
.p2-cta__link:hover { background: rgba(255,255,255,0.11); border-color: rgba(255,255,255,0.22); transform: translateX(4px); }
.p2-cta__link-icon { width: 34px; height: 34px; background: rgba(199,8,29,0.22); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.p2-cta__link-icon svg { width: 15px; height: 15px; stroke: rgba(255,255,255,0.75); fill: none; stroke-width: 1.5; }
.p2-cta__link-text { flex: 1; min-width: 0; }
.p2-cta__link-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.32); display: block; margin-bottom: 0.15rem; }
.p2-cta__link-title { font-size: 0.8125rem; font-weight: 600; color: rgba(255,255,255,0.85); line-height: 1.3; }
.p2-cta__link-arrow { color: rgba(255,255,255,0.25); flex-shrink: 0; display: flex; }
.p2-cta__link-arrow svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }


/* ---- RESPONSIVE ------------------------------------------ */

@media (max-width: 960px) {
  .p2-layout { grid-template-columns: 1fr; gap: 0; padding-top: 2rem; }
  .p2-sidebar { display: none; }
  .p2-toc-mobile { display: block; }
  .p2-intro-grid { grid-template-columns: 1fr; }
  .p2-intro-grid__img { order: -1; }
  .p2-models-grid { grid-template-columns: 1fr 1fr; }
  .p2-split,
  .p2-split--rev { grid-template-columns: 1fr; }
  .p2-split--rev .p2-split__img,
  .p2-split--rev .p2-split__text { order: 0; }
  .p2-acero-compare { grid-template-columns: 1fr; }
  .p2-type-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .p2-hero { min-height: 380px; }
  .p2-hero__inner,
  .p2-breadcrumb__inner,
  .p2-layout { padding-left: 1.5rem; padding-right: 1.5rem; }
  .p2-models-grid { grid-template-columns: 1fr; }
  .p2-gallery { grid-template-columns: 1fr 1fr; }
  .p2-gallery__item:last-child { display: none; }
  .p2-projects-grid { grid-template-columns: 1fr; }
  .p2-type-grid { grid-template-columns: 1fr; }
  .p2-cta { padding: 1.75rem 1.5rem; }
  .p2-cta__links { grid-template-columns: 1fr; }
}