/*
Theme Name: Fermachem
Description: Tema institucional para el proyecto Fermachem (Fermaca), migrado desde el sitio estático original conservando diseño, tipografía y comportamiento (menú móvil, header sticky, animaciones reveal).
Author: Equipo Fermachem
Version: 1.0.0
Text Domain: fermachem
Requires at least: 6.0
Requires PHP: 7.4
*/

/* ==========================================================================
   Fermachem — Sitio institucional
   Sistema de estilos compartido
   ========================================================================== */

:root {
  /* Paleta de marca (Manual de Marca Fermachem) */
  --navy: #164862;
  --navy-dark: #0f3547;
  --navy-tint-10: rgba(22, 72, 98, 0.1);
  --navy-tint-30: rgba(22, 72, 98, 0.3);
  --amber: #F9B123;
  --amber-dark: #d99610;
  --green: #B1CC3A;
  --green-dark: #7f9423;
  --paper: #ffffff;
  --mist: #F5F7F8;
  --mist-dark: #e9edee;
  --ink: #1c2b33;
  --ink-muted: #55707c;

  /* Tintes de marca para fondos de sección (más notorios que --mist) */
  --navy-tint-05: rgba(22, 72, 98, 0.05);
  --amber-tint: rgba(249, 177, 35, 0.10);
  --green-tint: rgba(177, 204, 58, 0.12);

  /* Tipografía: stack de sistema, sin requests externos */
  --font-base: "Segoe UI", Inter, system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;

  /* Ritmo / layout */
  --max-width: 1180px;
  --section-pad: clamp(2.75rem, 5vw, 5rem);
  --radius: 14px;
  --radius-sm: 8px;

  /* Movimiento */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 180ms;
  --dur-base: 550ms;
}

/* ---- Reset base ---------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.7;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.section-lede {
  font-size: 1.05rem;
  color: var(--ink-muted);
  max-width: 62ch;
  margin-top: 0.9rem;
}

.section-alt { background: var(--mist); }
.section-navy-tint { background: var(--navy-tint-05); }
.section-amber-tint { background: var(--amber-tint); }
.section-green-tint { background: var(--green-tint); }

/* Franja de marca — primer elemento visual del sitio, no ocupa layout */
.brand-bar {
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--navy), var(--amber), var(--green));
}

/* Ícono circular de acento de color, usado en tarjetas de pilares y de construcción */
.accent-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}
.accent-icon svg { width: 20px; height: 20px; }
.accent-icon--navy { background: var(--navy); }
.accent-icon--navy svg { fill: var(--paper); }
.accent-icon--amber { background: var(--amber); }
.accent-icon--amber svg { fill: var(--navy-dark); }
.accent-icon--green { background: var(--green); }
.accent-icon--green svg { fill: var(--navy-dark); }
.accent-icon--neutral { background: var(--mist-dark); }
.accent-icon--neutral svg { fill: var(--ink-muted); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---- Botones --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}
.btn-primary {
  background: var(--amber);
  color: var(--navy-dark);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -8px rgba(249, 177, 35, 0.55);
}
.btn-secondary {
  border: 1.5px solid var(--navy);
  color: var(--navy);
}
.btn-secondary:hover {
  background: var(--navy);
  color: var(--paper);
  transform: translateY(-2px);
}
.btn .arrow { transition: transform var(--dur-fast) var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

.header-sentinel { position: absolute; top: 0; left: 0; height: 1px; width: 1px; }

/* ---- Header / Navegación --------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}
.site-header.is-scrolled {
  box-shadow: 0 6px 24px -12px rgba(22, 72, 98, 0.25);
  border-bottom-color: var(--mist-dark);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.brand {
  display: flex;
  align-items: center;
  /* área de protección: espacio libre ≈ ancho de una minúscula del logotipo */
  padding: 0.35rem 0.6rem;
}
.brand img {
  height: 34px;
  min-height: 28px;
  width: auto;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 1.9rem;
}
.main-nav a {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy);
  position: relative;
  padding: 0.3rem 0.05rem;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0%;
  height: 2px;
  background: var(--amber);
  transition: width var(--dur-fast) var(--ease);
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  width: 100%;
}
.main-nav a[aria-current="page"] { color: var(--navy); font-weight: 700; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed;
    top: 68px;
    right: 0;
    left: auto;
    width: min(78vw, 320px);
    /* vh en vez de % — .site-header usa backdrop-filter, lo que lo
       convierte en containing block de los descendientes fixed y
       rompe un bottom:0 relativo al viewport real. */
    height: calc(100vh - 68px);
    background: var(--paper);
    box-shadow: -14px 0 32px -16px rgba(22,72,98,0.25);
    transform: translateX(100%);
    transition: transform var(--dur-base) var(--ease);
    padding: 2rem 1.75rem;
    overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 1.35rem; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---- Wave dividers ----------------------------------------------------
   Curvas orgánicas inspiradas en el patrón del Manual de Marca.
   Cada wrapper recorta un SVG full-width; las capas internas llevan
   un leve parallax ambiental (ver main.js). No compiten con el texto.
------------------------------------------------------------------------ */
.wave-divider {
  position: relative;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  pointer-events: none;
}
.wave-divider svg { width: 100%; height: auto; display: block; }
.wave-layer { will-change: transform; }

.wave-divider--hero { margin-top: -1px; }
.wave-divider--thin svg { height: 72px; }

/* ---- Scroll reveal ------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-group > * { transition-delay: calc(var(--i, 0) * 90ms); }

/* ---- Placeholder de contenido pendiente ---------------------------- */
.pending-placeholder {
  border: 1.5px dashed var(--navy-tint-30);
  background: var(--mist);
  border-radius: var(--radius);
  padding: 1.1rem 1.35rem;
  color: var(--ink-muted);
  font-style: italic;
  font-size: 0.95rem;
  position: relative;
}
.pending-tag {
  display: inline-block;
  font-style: normal;
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy-dark);
  background: var(--amber);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  margin-bottom: 0.55rem;
}

/* ---- Tarjetas genéricas --------------------------------------------- */
.card {
  background: var(--paper);
  border: 1px solid var(--mist-dark);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -24px rgba(22, 72, 98, 0.3);
  border-color: transparent;
}

/* ==========================================================================
   INICIO
   ========================================================================== */
.hero {
  position: relative;
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(4rem, 8vw, 6.5rem);
  background:
    radial-gradient(circle at 88% 8%, var(--green-tint), transparent 45%),
    radial-gradient(circle at 8% 92%, var(--amber-tint), transparent 40%),
    linear-gradient(180deg, #ffffff 0%, #fbfcfd 100%);
}
.hero__content {
  max-width: 780px;
}
.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.hero__subtitle {
  margin-top: 1.4rem;
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 60ch;
}
.hero__cta { margin-top: 2.2rem; }

/* Cifras clave */
.stats {
  padding: var(--section-pad) 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.stat-card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
  border-top: 3px solid var(--mist-dark);
}
.stat-card--navy { border-top-color: var(--navy); }
.stat-card--amber { border-top-color: var(--amber); }
.stat-card--green { border-top-color: var(--green); }
.stat-card .stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.stat-card .stat-value {
  margin-top: 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
}
.stat-card .stat-value.is-muted {
  font-size: 0.92rem;
  font-weight: 500;
  font-style: italic;
  color: var(--ink-muted);
}
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* Video institucional */
.video-section { padding: var(--section-pad) 0; }
.video-frame {
  margin-top: 2.25rem;
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.video-frame.is-visible { opacity: 1; transform: scale(1); }

.video-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
  padding: 2rem;
  color: var(--paper);
  background:
    radial-gradient(circle at 20% 20%, rgba(177, 204, 58, 0.35), transparent 55%),
    radial-gradient(circle at 85% 80%, rgba(249, 177, 35, 0.3), transparent 55%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  border: 1.5px dashed rgba(255,255,255,0.35);
}
.video-placeholder__icon {
  width: 68px; height: 68px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.55);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}
.video-placeholder:hover .video-placeholder__icon {
  transform: scale(1.06);
  background: rgba(255,255,255,0.12);
}
.video-placeholder__icon svg { width: 22px; height: 22px; fill: var(--paper); margin-left: 3px; }
.video-placeholder__label {
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.92;
}
.video-placeholder .pending-tag { background: var(--amber); }

/* Mensaje institucional */
.statement {
  padding: var(--section-pad) 0;
  background: var(--navy);
  position: relative;
}
.statement__mark {
  font-size: 3.5rem;
  line-height: 1;
  color: var(--amber);
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}
.statement__text {
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-weight: 500;
  color: var(--paper);
  max-width: 52rem;
  line-height: 1.5;
}

/* Tres pilares */
.pillars { padding: var(--section-pad) 0; }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.pillar-card {
  display: block;
  border-top: 3px solid var(--mist-dark);
}
.pillar-card--navy { border-top-color: var(--navy); }
.pillar-card--amber { border-top-color: var(--amber); }
.pillar-card--green { border-top-color: var(--green); }
.pillar-card__index {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--amber-dark);
  letter-spacing: 0.05em;
}
.pillar-card h3 {
  margin-top: 0.75rem;
  font-size: 1.25rem;
  color: var(--navy);
  font-weight: 700;
}
.pillar-card p {
  margin-top: 0.6rem;
  color: var(--ink-muted);
  font-size: 0.98rem;
}
.pillar-card__link {
  margin-top: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.92rem;
}
.pillar-card__link .arrow { transition: transform var(--dur-fast) var(--ease); }
.pillar-card:hover .pillar-card__link .arrow { transform: translateX(3px); }
@media (max-width: 900px) {
  .pillars-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   EL PROYECTO
   ========================================================================== */
.page-hero {
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
}
.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  color: var(--navy);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.page-hero p {
  margin-top: 1.2rem;
  font-size: 1.08rem;
  color: var(--ink-muted);
  max-width: 68ch;
}

.build-section { padding: var(--section-pad) 0; }
.build-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.25rem;
}
.build-card {
  border-top: 3px solid var(--mist-dark);
}
.build-card--navy { border-top-color: var(--navy); }
.build-card--amber { border-top-color: var(--amber); }
.build-card--green { border-top-color: var(--green); }
.build-card--neutral { border-top-color: var(--mist-dark); }
.build-card h3 {
  font-size: 1.1rem;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.build-card p { color: var(--ink-muted); font-size: 0.96rem; }
@media (max-width: 900px) {
  .build-grid { grid-template-columns: 1fr; }
}

.why-section { padding: var(--section-pad) 0; }

.phase-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: var(--navy);
  color: var(--paper);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 1.25rem;
}
.phase-badge__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber);
}
.phase-note {
  margin-top: 0.9rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
  font-style: italic;
}

/* Timeline / Programa general */
.timeline-section { padding: var(--section-pad) 0; }
.timeline {
  margin-top: 3rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
}
.timeline__track {
  position: absolute;
  top: 11px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: var(--mist-dark);
  transform-origin: left center;
}
.timeline__track-fill {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: 100%;
  background: var(--navy);
  opacity: 0.35;
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 900ms var(--ease);
}
.timeline__track-fill.is-visible { transform: scaleX(1); }

.timeline__step {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 0.5rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
  transition-delay: calc(var(--i, 0) * 110ms);
}
.timeline__step.is-visible { opacity: 1; transform: translateY(0); }

.timeline__node {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--paper);
  border: 2.5px solid var(--mist-dark);
  transition: border-color var(--dur-base) var(--ease), background-color var(--dur-base) var(--ease);
}
.timeline__step.is-current .timeline__node {
  background: var(--amber);
  border-color: var(--amber);
}
.timeline__label {
  margin-top: 0.9rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-muted);
  max-width: 11rem;
}
.timeline__step.is-current .timeline__label { color: var(--navy); font-weight: 700; }
.timeline__current-tag {
  margin-top: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--amber-dark);
}

@media (max-width: 760px) {
  .timeline { flex-direction: column; gap: 1.75rem; align-items: flex-start; }
  .timeline__track { top: 0; left: 11px; right: auto; width: 2px; height: 100%; }
  .timeline__track-fill { transform: scaleY(0); transform-origin: top center; width: 100%; height: 100%; }
  .timeline__track-fill.is-visible { transform: scaleY(1); }
  .timeline__step { flex-direction: row; text-align: left; padding-left: 0; }
  .timeline__label { margin-top: 0; margin-left: 1rem; max-width: none; }
  .timeline__current-tag { margin-left: 1rem; }
}

.commitment {
  padding: var(--section-pad) 0;
  background: var(--navy);
  color: var(--paper);
}
.commitment .section-title { color: var(--paper); }
.commitment p {
  margin-top: 1.1rem;
  color: rgba(255,255,255,0.82);
  max-width: 68ch;
  font-size: 1.02rem;
}

/* ==========================================================================
   Páginas stub
   ========================================================================== */
.stub-main {
  min-height: 56vh;
  display: flex;
  align-items: center;
  padding: clamp(3rem, 8vw, 6rem) 0;
}
.stub-box {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.stub-box h1 {
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 1.4rem;
}
.stub-box .pending-placeholder {
  display: inline-block;
  text-align: left;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.85);
  position: relative;
}
.site-footer .wave-divider { transform: translateY(1px); }
.footer-inner {
  padding: 3rem 0 2.25rem;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2.5rem;
}
.footer-brand img { height: 30px; }
.footer-brand__rule {
  width: 40px;
  height: 3px;
  border-radius: 2px;
  background: var(--green);
  margin-top: 1.1rem;
}
.footer-brand p {
  margin-top: 0.9rem;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.65);
  max-width: 42ch;
}
.footer-nav ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem 1.5rem;
}
.footer-nav a {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.78);
  transition: color var(--dur-fast) var(--ease);
}
.footer-nav a:hover { color: var(--amber); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.14);
  padding: 1.35rem 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
}
@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; }
}