/* ==========================================================================
   MJH RENOVATION & CONSTRUCTION — Sistema de diseño
   Paleta obligatoria del brief + tokens de soporte para jerarquía y estado.
   Tipografía: Big Shoulders Display (titulares, carácter estructural/obra)
               + Inter (texto, alta legibilidad técnica).
   ========================================================================== */

:root {
  /* Paleta de marca (fija por especificación) */
  --primary-blue: #005A9E;
  --primary-blue-dark: #003E70;
  --accent-green: #70B82D;
  --accent-green-dark: #578F22;
  --base-white: #FFFFFF;
  --base-light-gray: #F4F5F7;
  --dark-graphite: #181A1B;

  /* Soporte tonal (derivado, no decorativo) */
  --ink: #22262B;
  --ink-soft: #55606B;
  --line: #E1E5EA;
  --line-dark: #2C2F31;
  --graphite-soft: #24272A;
  --surface-on-dark: #F4F5F7;

  /* Tipografía */
  --font-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Ritmo */
  --gutter: clamp(20px, 5vw, 64px);
  --radius-sm: 2px;
  --shadow-card: 0 18px 40px -22px rgba(24, 26, 27, 0.35);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body, h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
img, video { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--base-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 3px solid var(--accent-green);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(64px, 10vw, 128px); }
.section--tight { padding-block: clamp(48px, 7vw, 88px); }
.section--light { background: var(--base-light-gray); }
.section--dark { background: var(--dark-graphite); color: var(--surface-on-dark); }

.eyebrow {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--primary-blue);
}
.section--dark .eyebrow { color: var(--accent-green); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--dark-graphite);
}
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--base-white); }

h2 { font-size: clamp(2.1rem, 4.2vw, 3.4rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }

p { line-height: 1.65; color: var(--ink-soft); max-width: 62ch; }
.section--dark p { color: #C7CCD1; }

.lang-only-en, [data-i18n] { transition: opacity 0.15s var(--ease); }
html[data-lang="es"] [data-en-only] { display: none !important; }
html[data-lang="en"] [data-es-only] { display: none !important; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent-green);
  color: var(--dark-graphite);
}
.btn-primary:hover { background: var(--accent-green-dark); color: var(--base-white); }
.btn-outline {
  background: transparent;
  border-color: currentColor;
  color: var(--base-white);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-ghost-dark {
  background: transparent;
  border-color: var(--dark-graphite);
  color: var(--dark-graphite);
}
.btn-ghost-dark:hover { background: var(--dark-graphite); color: var(--base-white); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }
.btn-sm { padding: 10px 18px; font-size: 0.82rem; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  background: transparent;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), padding 0.35s var(--ease);
}
.site-header.is-scrolled {
  background: var(--dark-graphite);
  box-shadow: 0 8px 28px -12px rgba(0,0,0,0.5);
  padding: 10px 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 40px; width: auto; }

/* Header y footer: solo logo (2.5x del tamaño base), sin texto al lado */
.brand--logo-only img { height: 100px; width: auto; transition: height 0.3s var(--ease); }
.site-header.is-scrolled .brand--logo-only img { height: 72px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  color: var(--base-white);
  font-size: 0.92rem;
  font-weight: 600;
  position: relative;
  padding-block: 6px;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--accent-green);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 18px; }

.lang-switch {
  display: flex;
  align-items: center;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 20px;
  padding: 3px;
  gap: 2px;
}
.lang-switch button {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: 16px;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.lang-switch button.is-active { background: var(--accent-green); color: var(--dark-graphite); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  position: relative;
  z-index: 1001;
}
.menu-toggle span { width: 24px; height: 2px; background: var(--base-white); transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-drawer { display: none; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--dark-graphite);
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media video, .hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(24,26,27,0.65) 0%, rgba(24,26,27,0.35) 38%, rgba(24,26,27,0.85) 100%);
}
.hero-beam {
  position: absolute;
  right: -6%;
  top: 0;
  width: 46%;
  height: 100%;
  background: var(--accent-green);
  clip-path: polygon(38% 0, 100% 0, 62% 100%, 0% 100%);
  opacity: 0.14;
  z-index: 1;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-block: 190px 72px;
  color: var(--base-white);
}
.hero-content .eyebrow { color: var(--accent-green); margin-bottom: 18px; display: block; }
.hero-content h1 {
  color: var(--base-white);
  font-size: clamp(2.3rem, 6vw, 4.6rem);
  max-width: 15ch;
  text-transform: uppercase;
}
.hero-sub {
  margin-top: 20px;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: #E7E9EB;
  max-width: 46ch;
  font-weight: 400;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }
.hero-scroll-cue {
  position: absolute;
  bottom: 28px; left: var(--gutter);
  z-index: 2;
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,0.75);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}
.hero-scroll-cue .line { width: 30px; height: 1px; background: rgba(255,255,255,0.55); }

/* ==========================================================================
   ABOUT / PERFIL CORPORATIVO
   ========================================================================== */
.about-lead {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  color: var(--dark-graphite);
  line-height: 1.2;
  margin-block: 18px 0;
  max-width: 30ch;
}

/* Bloques editoriales alternados: texto + foto (inspirado en referencias del sector) */
.about-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 6vw, 80px);
  align-items: center;
  margin-top: clamp(48px, 7vw, 84px);
}
.about-row--reverse .about-row-media { order: -1; }
.about-row-text h3 { margin-bottom: 14px; max-width: 18ch; }
.about-row-text p { margin-bottom: 10px; }
.about-row-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
}
.about-row-media::before {
  content: "";
  position: absolute;
  top: 12px; left: 12px;
  width: 22px; height: 22px;
  border-top: 2px solid var(--accent-green);
  border-left: 2px solid var(--accent-green);
  z-index: 1;
}
.about-row-media::after {
  content: "";
  position: absolute;
  bottom: 12px; right: 12px;
  width: 22px; height: 22px;
  border-bottom: 2px solid var(--accent-green);
  border-right: 2px solid var(--accent-green);
  z-index: 1;
}
.about-row-media img { width: 100%; height: 100%; object-fit: cover; }

/* Pilares operativos: tarjetas gráficas con icono */
.pillars-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.pillar-card { background: var(--base-white); padding: 26px 22px; }
.pillar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  color: var(--accent-green-dark);
  background: rgba(112,184,45,0.1);
  margin-bottom: 16px;
}
.pillar-icon svg { width: 22px; height: 22px; }
.pillar-card h4 { font-size: 0.98rem; margin-bottom: 8px; color: var(--dark-graphite); }
.pillar-card p { font-size: 0.88rem; }

/* ---------- Matriz de mensajes por segmento ---------- */
.segments {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--line);
  margin-top: clamp(40px, 6vw, 72px);
  border: 1px solid var(--line);
}
.segment-card {
  background: var(--base-white);
  padding: clamp(26px, 3vw, 40px);
}
.segment-card:first-child { background: var(--base-light-gray); }
.segment-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--primary-blue);
  border: 1px solid var(--primary-blue);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.segment-card h4 { font-size: 1.2rem; margin-bottom: 12px; color: var(--dark-graphite); }
.segment-pain { font-size: 0.86rem; color: var(--ink-soft); margin-bottom: 14px; }
.segment-pain strong { color: var(--dark-graphite); }
.segment-quote {
  font-style: normal;
  border-left: 3px solid var(--accent-green);
  padding-left: 16px;
  font-size: 0.98rem;
  color: var(--dark-graphite);
  font-weight: 500;
}

/* ==========================================================================
   SERVICIOS — TABS
   ========================================================================== */
.services-banner {
  margin: 28px 0 40px;
  aspect-ratio: 21 / 8;
  overflow: hidden;
  border: 1px solid var(--line);
}
.services-banner img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }

.services-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--line);
}
.tab-btn {
  background: none;
  border: none;
  padding: 14px 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink-soft);
  cursor: pointer;
  position: relative;
  margin-right: 26px;
}
.tab-btn::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 100%; height: 3px;
  background: transparent;
  transition: background 0.25s var(--ease);
}
.tab-btn.is-active { color: var(--dark-graphite); }
.tab-btn.is-active::after { background: var(--accent-green); }

.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fade-in 0.4s var(--ease); }
@keyframes fade-in { from { opacity: 0; transform: translateY(6px);} to { opacity: 1; transform: translateY(0);} }

.tab-panel-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 60px);
  align-items: start;
}
.tab-message {
  font-size: 1.15rem;
  color: var(--dark-graphite);
  font-weight: 500;
  border-left: 3px solid var(--primary-blue);
  padding-left: 18px;
  margin-bottom: 26px;
}
.check-list { display: grid; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.96rem; color: var(--ink); }
.check-list li::before {
  content: "";
  flex-shrink: 0;
  width: 9px; height: 9px;
  margin-top: 6px;
  background: var(--accent-green);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-chip {
  background: var(--base-white);
  padding: 16px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dark-graphite);
}

/* ==========================================================================
   PORTAFOLIO
   ========================================================================== */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--line);
  padding: 9px 18px;
  border-radius: 20px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.filter-btn.is-active, .filter-btn:hover {
  background: var(--dark-graphite);
  border-color: var(--dark-graphite);
  color: var(--base-white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.portfolio-card {
  position: relative;
  background: var(--base-light-gray);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.portfolio-card.is-hidden { display: none; }
.portfolio-card .card-tag {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 3;
  background: var(--dark-graphite);
  color: var(--base-white);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 5px 10px;
}
.portfolio-card .card-caption { padding: 16px 18px 20px; }
.portfolio-card h4 { font-size: 1rem; margin-bottom: 4px; }
.portfolio-card .loc { font-size: 0.8rem; color: var(--ink-soft); }

.ba-slider {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  touch-action: pan-y;
}
.ba-slider img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba-slider .ba-after { z-index: 1; }
.ba-slider .ba-before-wrap {
  position: absolute; inset: 0;
  z-index: 2;
  width: 50%;
  overflow: hidden;
  border-right: 2px solid var(--base-white);
}
.ba-slider .ba-before-wrap img { max-width: none; height: 100%; }
.ba-label {
  position: absolute;
  bottom: 12px;
  z-index: 3;
  background: rgba(24,26,27,0.72);
  color: var(--base-white);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 9px;
}
.ba-label.before { left: 12px; }
.ba-label.after { right: 12px; }
.ba-handle {
  position: absolute;
  top: 50%; left: 50%;
  z-index: 4;
  width: 40px; height: 40px;
  background: var(--base-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transform: translate(-50%, -50%);
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
  pointer-events: none;
}
.ba-handle::before {
  content: "‹ ›";
  font-weight: 700;
  color: var(--dark-graphite);
  letter-spacing: 3px;
  font-size: 0.8rem;
}

.portfolio-video {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--dark-graphite);
}
.portfolio-video video { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-badge {
  position: absolute;
  bottom: 12px; left: 12px;
  z-index: 2;
  background: rgba(24,26,27,0.72);
  color: var(--base-white);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 5px 10px;
}

.portfolio-placeholder {
  aspect-ratio: 4/5;
  background:
    repeating-linear-gradient(135deg, rgba(0,90,158,0.08) 0 12px, transparent 12px 24px),
    var(--base-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  border-bottom: 1px solid var(--line);
}
.portfolio-placeholder span {
  font-size: 0.82rem;
  color: var(--ink-soft);
  font-weight: 600;
  max-width: 20ch;
}

/* ==========================================================================
   PROCESO — TIMELINE
   ========================================================================== */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 27px; left: 0; right: 0;
  height: 1px;
  background: var(--line-dark);
}
.timeline-step { padding-right: 26px; position: relative; }
.timeline-step .num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1;
  position: relative;
  z-index: 1;
  background: var(--dark-graphite);
  display: inline-block;
  padding-right: 14px;
}
.timeline-step h4 { font-size: 1.05rem; margin: 18px 0 8px; color: var(--base-white); }
.timeline-step p { font-size: 0.9rem; }

/* ==========================================================================
   FORMULARIO MULTIPASO
   ========================================================================== */
.quote-shell {
  max-width: 760px;
  margin-inline: auto;
  background: var(--base-white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}
.quote-progress {
  display: flex;
  border-bottom: 1px solid var(--line);
}
.quote-progress .p-step {
  flex: 1;
  text-align: center;
  padding: 16px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  border-bottom: 3px solid var(--line);
  transition: all 0.3s var(--ease);
}
.quote-progress .p-step.is-active { color: var(--primary-blue); border-color: var(--primary-blue); }
.quote-progress .p-step.is-done { color: var(--accent-green-dark); border-color: var(--accent-green); }
.quote-progress .p-step span.num-only { display: none; }

.quote-body { padding: clamp(24px, 4vw, 48px); }
.form-step { display: none; }
.form-step.is-active { display: block; animation: fade-in 0.35s var(--ease); }
.form-step h3 { margin-bottom: 6px; }
.form-hint { font-size: 0.9rem; margin-bottom: 26px; }

.type-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.type-card {
  border: 1px solid var(--line);
  padding: 22px 14px;
  text-align: center;
  cursor: pointer;
  background: var(--base-white);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.type-card .ic { font-size: 1.9rem; display: block; margin-bottom: 10px; }
.type-card span.label { font-size: 0.86rem; font-weight: 700; color: var(--dark-graphite); }
.type-card.is-selected { border-color: var(--accent-green); background: rgba(112,184,45,0.08); }
.type-card input { position: absolute; opacity: 0; pointer-events: none; }

.field { margin-bottom: 20px; }
.field label { display: block; font-size: 0.85rem; font-weight: 700; color: var(--dark-graphite); margin-bottom: 8px; }
.field .req { color: var(--primary-blue); }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  padding: 13px 14px;
  background: var(--base-white);
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: border-color 0.2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary-blue); }
.field textarea { resize: vertical; min-height: 90px; }
.field-error { display: none; color: #B3261E; font-size: 0.78rem; margin-top: 6px; }
.field.has-error input, .field.has-error select { border-color: #B3261E; }
.field.has-error .field-error { display: block; }

.check-group { display: grid; gap: 10px; }
.check-option {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line);
  padding: 12px 14px;
  cursor: pointer;
  font-size: 0.92rem;
}
.check-option input { width: 17px; height: 17px; accent-color: var(--accent-green); }

.radio-group { display: grid; gap: 10px; }
.radio-option {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line);
  padding: 12px 14px;
  cursor: pointer;
  font-size: 0.92rem;
}
.radio-option input { width: 17px; height: 17px; accent-color: var(--primary-blue); }

.dropzone {
  border: 2px dashed var(--line);
  padding: 30px 18px;
  text-align: center;
  cursor: pointer;
  margin-bottom: 22px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.dropzone.is-drag { border-color: var(--accent-green); background: rgba(112,184,45,0.06); }
.dropzone p { margin: 0 auto; font-size: 0.88rem; }
.dropzone .dz-small { font-size: 0.76rem; color: var(--ink-soft); margin-top: 4px; }
.file-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 6px; }
.file-list li { font-size: 0.82rem; display: flex; justify-content: space-between; border: 1px solid var(--line); padding: 7px 10px; }
.file-list button { background: none; border: none; color: #B3261E; cursor: pointer; font-size: 0.78rem; font-weight: 700; }

.form-nav { display: flex; justify-content: space-between; gap: 14px; margin-top: 30px; }
.form-nav .spacer { flex: 1; }

.form-success { text-align: center; padding: 20px 0 6px; }
.form-success .ic-ok {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--accent-green);
  color: var(--base-white);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
}
.form-success h3 { margin-bottom: 10px; }
.form-success .success-actions { display: flex; justify-content: center; gap: 14px; margin-top: 26px; flex-wrap: wrap; }
.form-error-banner {
  display: none;
  background: #FBEAEA; color: #8C1D18; border: 1px solid #E7B4B0;
  padding: 12px 16px; font-size: 0.85rem; margin-bottom: 20px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { background: var(--dark-graphite); color: #B9BFC5; }
.footer-top {
  padding-block: clamp(48px, 7vw, 76px);
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.9fr;
  gap: clamp(30px, 5vw, 60px);
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-tagline { font-family: var(--font-display); font-size: 1.15rem; color: var(--base-white); max-width: 26ch; font-weight: 600; }
.footer-col h5 { color: var(--base-white); font-size: 0.82rem; letter-spacing: 0.05em; font-weight: 700; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 12px; }
.footer-col a { font-size: 0.9rem; transition: color 0.2s var(--ease); }
.footer-col a:hover { color: var(--accent-green); }
.footer-coverage { font-size: 0.9rem; line-height: 1.7; }

.footer-bottom {
  padding-block: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-size: 0.78rem;
  color: #6E767D;
}

/* Área de empleados: enlace discreto integrado en la barra inferior del footer */
.employee-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #879198;
  font-size: 0.78rem;
  transition: color 0.2s var(--ease);
}
.employee-link svg { flex-shrink: 0; }
.employee-link:hover { color: var(--accent-green); }

.whatsapp-float {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 999;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 26px -8px rgba(0,0,0,0.45);
  transition: transform 0.25s var(--ease);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 30px; height: 30px; }

/* Instagram flotante: apilado justo arriba del botón de WhatsApp, mismo
   comportamiento (fijo en pantalla, se mantiene visible durante el scroll) */
.instagram-float {
  position: fixed;
  bottom: 90px; right: 20px;
  z-index: 999;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 110%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 26px -8px rgba(0,0,0,0.45);
  transition: transform 0.25s var(--ease);
}
.instagram-float:hover { transform: scale(1.08); }
.instagram-float svg { width: 24px; height: 24px; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px) {
  .tab-panel-inner { grid-template-columns: 1fr; }
  .segments { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .timeline::before { display: none; }
  .about-row { grid-template-columns: 1fr; }
  .about-row--reverse .about-row-media { order: 0; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .header-cta { display: none; }
  .brand--logo-only img, .site-header.is-scrolled .brand--logo-only img { height: 56px; }
  .pillars-grid { grid-template-columns: 1fr 1fr; }

  .site-header .nav-drawer {
    display: flex;
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 320px);
    height: 100vh;
    background: var(--dark-graphite);
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
    padding: 100px 28px 28px;
    display: flex;
    flex-direction: column;
    gap: 26px;
  }
  .nav-drawer.is-open { transform: translateX(0); }
  .nav-drawer a { color: var(--base-white); font-size: 1.1rem; font-weight: 600; }
  .nav-drawer .lang-switch { align-self: flex-start; }
  .nav-scrim {
    position: fixed; inset: 0; background: rgba(0,0,0,0.5);
    opacity: 0; pointer-events: none; transition: opacity 0.3s var(--ease);
    z-index: 998;
  }
  .nav-scrim.is-open { opacity: 1; pointer-events: auto; }

  .hero-content { padding-top: 130px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: 1fr; }
  .type-cards { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .services-banner { aspect-ratio: 4 / 3; }
  .quote-progress .p-step span.full { display: none; }
  .quote-progress .p-step span.num-only { display: inline; }

  /* Botones flotantes: se mantienen en su esquina, solo más compactos */
  .whatsapp-float { width: 52px; height: 52px; }
  .whatsapp-float svg { width: 26px; height: 26px; }
  .instagram-float { width: 44px; height: 44px; bottom: 80px; }
  .instagram-float svg { width: 21px; height: 21px; }

  /* Espacio de seguridad para que "Siguiente/Enviar" no quede pegado a los
     botones flotantes (WhatsApp + Instagram apilados) */
  .quote-body { padding-bottom: 100px; }
  .footer-bottom { padding-bottom: 70px; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}