/* ============================================================
   Construcciones Vidal — CSS Principal
   Mobile-first | Breakpoints: 480 / 768 / 1024px
   ============================================================ */

/* ------------------------------------------------------------------
   VARIABLES Y RESET
   ------------------------------------------------------------------ */
:root {
  --bg: #f5f5f0;
  --dark: #1a1a1a;
  --primary: #e65c00;
  --primary-dark: #c24e00;
  --secondary: #2c3e50;
  --text: #333;
  --text-muted: #777;
  --white: #fff;
  --border: #e0e0d8;
  --shadow: 0 4px 24px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.16);
  --radius: 10px;
  --radius-lg: 18px;
  --transition: .3s ease;
  --nav-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Open Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

input, select, textarea, button { font-family: inherit; font-size: 1rem; }

/* ------------------------------------------------------------------
   TIPOGRAFÍA
   ------------------------------------------------------------------ */
h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--dark);
}

h1 { font-size: clamp(2rem, 6vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); font-weight: 700; }
h4 { font-size: 1.05rem; font-weight: 700; }

/* ------------------------------------------------------------------
   UTILIDADES
   ------------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 72px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-header.left {
  text-align: left;
  margin-left: 0;
}

.section-tag {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(230,92,0,.1);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.section-header h2 {
  margin-bottom: 14px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Botones */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230,92,0,.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  border: 2px solid rgba(255,255,255,.7);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-sm { padding: 10px 20px; font-size: .85rem; }
.btn-full { width: 100%; justify-content: center; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ------------------------------------------------------------------
   NAVEGACIÓN
   ------------------------------------------------------------------ */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  transition: box-shadow var(--transition);
  height: var(--nav-h);
}

.nav-header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,.14);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--dark);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo i {
  font-size: 1.4rem;
  color: var(--primary);
}

.nav-logo strong { font-weight: 800; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .87rem;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(230,92,0,.07);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  background: var(--primary);
  color: var(--white);
  padding: 9px 18px;
  border-radius: var(--radius);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .85rem;
  transition: background var(--transition), transform var(--transition);
  margin-left: 6px;
}

.btn-nav:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: background var(--transition);
}

.nav-hamburger:hover { background: rgba(0,0,0,.06); }

.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ------------------------------------------------------------------
   HERO
   ------------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: transform 8s ease;
}

.hero:hover .hero-bg { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,26,.72) 0%, rgba(26,26,26,.45) 60%, rgba(44,62,80,.5) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  padding: 80px 20px 40px;
  text-align: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(230,92,0,.85);
  color: var(--white);
  padding: 7px 18px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title {
  color: var(--white);
  font-weight: 800;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}

.hero-subtitle {
  color: rgba(255,255,255,.88);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0;
  background: rgba(26,26,26,.82);
  backdrop-filter: blur(10px);
  padding: 0;
  margin-top: auto;
  border-top: 1px solid rgba(255,255,255,.1);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 28px;
  text-align: left;
}

.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.9rem;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: .82rem;
  color: rgba(255,255,255,.8);
  line-height: 1.4;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 44px;
  background: rgba(255,255,255,.15);
}

/* ------------------------------------------------------------------
   SERVICIOS
   ------------------------------------------------------------------ */
.servicios { background: var(--white); }

.servicios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.servicio-card {
  background: var(--bg);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
}

.servicio-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.servicio-icon {
  width: 60px;
  height: 60px;
  background: rgba(230,92,0,.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  transition: background var(--transition);
}

.servicio-card:hover .servicio-icon {
  background: var(--primary);
}

.servicio-icon i {
  font-size: 1.6rem;
  color: var(--primary);
  transition: color var(--transition);
}

.servicio-card:hover .servicio-icon i { color: var(--white); }

.servicio-card h3 { margin-bottom: 10px; color: var(--secondary); }

.servicio-card p { color: var(--text-muted); font-size: .95rem; margin-bottom: 18px; }

.servicio-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .85rem;
  transition: gap var(--transition);
}

.servicio-link:hover { gap: 10px; }

/* ------------------------------------------------------------------
   BEFORE / AFTER SLIDER
   ------------------------------------------------------------------ */
.proyectos { background: var(--bg); }

.ba-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.ba-wrapper {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.ba-slider {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
}

.ba-before,
.ba-after {
  position: absolute;
  inset: 0;
}

.ba-before img,
.ba-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.ba-before {
  clip-path: inset(0 50% 0 0);
  transition: clip-path .05s linear;
}

.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  z-index: 10;
  transition: left .05s linear;
}

.ba-handle-line {
  flex: 1;
  width: 3px;
  background: var(--white);
  opacity: .9;
}

.ba-handle-circle {
  width: 46px;
  height: 46px;
  background: var(--primary);
  border: 3px solid var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(0,0,0,.3);
}

.ba-handle-circle i {
  color: var(--white);
  font-size: 1rem;
}

.ba-label {
  position: absolute;
  top: 14px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: .7rem;
  letter-spacing: .1em;
  padding: 4px 12px;
  border-radius: 50px;
  z-index: 5;
  pointer-events: none;
}

.ba-label-before {
  left: 14px;
  background: rgba(26,26,26,.75);
  color: var(--white);
}

.ba-label-after {
  right: 14px;
  background: var(--primary);
  color: var(--white);
}

.ba-info {
  padding: 24px 28px;
}

.ba-info h3 {
  margin-bottom: 10px;
  color: var(--secondary);
}

.ba-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.ba-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .83rem;
  color: var(--text-muted);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}

.ba-meta i { color: var(--primary); }

.ba-info p { color: var(--text-muted); font-size: .93rem; }

/* ------------------------------------------------------------------
   POR QUÉ ELEGIRNOS
   ------------------------------------------------------------------ */
.nosotros { background: var(--white); }

.nosotros-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.nosotros-img {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.nosotros-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nosotros-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: var(--primary);
  color: var(--white);
  padding: 14px 20px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.badge-num {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 2.2rem;
  line-height: 1;
}

.badge-text {
  font-size: .78rem;
  font-weight: 600;
  line-height: 1.4;
  opacity: .9;
}

.razones-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 28px;
}

.razon {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--bg);
  transition: box-shadow var(--transition);
}

.razon:hover { box-shadow: var(--shadow); }

.razon-icon {
  width: 44px;
  height: 44px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.razon-icon i { color: var(--white); font-size: 1.1rem; }

.razon-text h4 { margin-bottom: 5px; color: var(--secondary); }

.razon-text p { font-size: .9rem; color: var(--text-muted); }

/* ------------------------------------------------------------------
   CALCULADORA
   ------------------------------------------------------------------ */
.calculadora {
  background: var(--secondary);
  position: relative;
  overflow: hidden;
}

.calculadora::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 350px;
  height: 350px;
  background: rgba(230,92,0,.08);
  border-radius: 50%;
  pointer-events: none;
}

.calculadora .section-header h2,
.calculadora .section-header p,
.calculadora .section-tag {
  color: var(--white);
}

.calculadora .section-tag {
  background: rgba(255,255,255,.15);
  color: rgba(255,255,255,.9);
}

.calculadora .section-header p { color: rgba(255,255,255,.7); }

.calc-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  backdrop-filter: blur(8px);
}

.calc-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.calc-field label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .85rem;
  color: rgba(255,255,255,.9);
  margin-bottom: 8px;
}

.calc-field label i { color: var(--primary); }

.calc-field select,
.calc-field input[type="number"] {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid rgba(255,255,255,.15);
  border-radius: var(--radius);
  background: rgba(255,255,255,.1);
  color: var(--white);
  font-size: .95rem;
  transition: border-color var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.calc-field select option { background: var(--secondary); color: var(--white); }

.calc-field select:focus,
.calc-field input[type="number"]:focus {
  outline: none;
  border-color: var(--primary);
}

.calc-field input[type="number"]::placeholder { color: rgba(255,255,255,.4); }

/* Radio group */
.calc-field-radio label:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.radio-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  padding: 8px 16px;
  border: 2px solid rgba(255,255,255,.2);
  border-radius: 50px;
  transition: all var(--transition);
}

.radio-opt:hover { border-color: var(--primary); }

.radio-opt input[type="radio"] { display: none; }

.radio-custom {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,.5);
  border-radius: 50%;
  flex-shrink: 0;
  transition: all var(--transition);
  position: relative;
}

.radio-opt input[type="radio"]:checked ~ .radio-custom {
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(230,92,0,.3);
}

.radio-opt input[type="radio"]:checked + .radio-custom + span,
.radio-opt:has(input:checked) {
  border-color: var(--primary);
  background: rgba(230,92,0,.15);
}

.btn-calc { margin-top: 6px; }

/* Resultado */
.calc-resultado {
  display: flex;
  align-items: center;
  justify-content: center;
}

.resultado-inner {
  text-align: center;
  padding: 20px;
  width: 100%;
}

.resultado-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
  margin-bottom: 10px;
}

.resultado-range {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 8px;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .4s ease;
}

.resultado-detalle {
  font-size: .88rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 14px;
  min-height: 20px;
}

.resultado-disclaimer {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  line-height: 1.5;
  padding: 14px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.resultado-disclaimer i { color: var(--primary); margin-right: 4px; }

/* ------------------------------------------------------------------
   EQUIPO
   ------------------------------------------------------------------ */
.equipo { background: var(--bg); }

.equipo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.equipo-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.equipo-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.equipo-avatar {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.equipo-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.equipo-card:hover .equipo-avatar img { transform: scale(1.05); }

.equipo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(44,62,80,.5) 0%, transparent 60%);
}

.equipo-info { padding: 24px; }

.equipo-info h3 { margin-bottom: 4px; color: var(--secondary); }

.equipo-rol {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .78rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 12px;
}

.equipo-info p { font-size: .9rem; color: var(--text-muted); margin-bottom: 16px; }

.equipo-social {
  display: flex;
  gap: 10px;
}

.equipo-social a {
  width: 36px;
  height: 36px;
  background: var(--bg);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}

.equipo-social a:hover {
  background: var(--primary);
  color: var(--white);
}

/* ------------------------------------------------------------------
   MARCAS
   ------------------------------------------------------------------ */
.marcas { background: var(--white); }

.marcas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.marca-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
  cursor: default;
}

.marca-item:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(230,92,0,.12);
}

.marca-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--secondary);
  display: block;
  margin-bottom: 4px;
}

.marca-cat {
  font-size: .8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ------------------------------------------------------------------
   TESTIMONIOS
   ------------------------------------------------------------------ */
.testimonios { background: var(--bg); }

.testimonios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.testimonio-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
  transition: transform var(--transition);
}

.testimonio-card:hover { transform: translateY(-3px); }

.testimonio-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.testimonio-avatar {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

.testimonio-header strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .95rem;
  color: var(--dark);
}

.testimonio-header span {
  font-size: .82rem;
  color: var(--text-muted);
}

.testimonio-stars {
  color: #f5a623;
  font-size: .9rem;
  margin-bottom: 12px;
  gap: 2px;
  display: flex;
}

.testimonio-card p {
  color: var(--text);
  font-size: .93rem;
  line-height: 1.7;
  margin-bottom: 14px;
  font-style: italic;
}

.testimonio-obra {
  font-size: .8rem;
  color: var(--text-muted);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
}

.testimonio-obra i { color: var(--primary); }

/* ------------------------------------------------------------------
   CONTACTO
   ------------------------------------------------------------------ */
.contacto { background: var(--white); }

.contacto-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

.contacto-datos {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
}

.contacto-datos li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .94rem;
}

.contacto-datos i {
  color: var(--primary);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.contacto-datos a { color: var(--primary); transition: opacity var(--transition); }
.contacto-datos a:hover { opacity: .75; }

.contacto-social {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.social-btn {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: all var(--transition);
  border: 2px solid var(--border);
}

.social-btn:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.social-btn.whatsapp:hover { background: #25d366; border-color: #25d366; }

/* Form */
.contacto-form-wrapper {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .83rem;
  color: var(--secondary);
  margin-bottom: 7px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
  font-size: .95rem;
  transition: border-color var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(230,92,0,.12);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #e74c3c;
}

.form-group select { appearance: none; -webkit-appearance: none; cursor: pointer; }

/* File input */
.file-input-wrapper { position: relative; }

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  z-index: -1;
}

.file-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text-muted);
  font-size: .9rem;
  cursor: pointer;
  transition: all var(--transition);
}

.file-label:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.file-label i { font-size: 1rem; }

.form-legal {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: 12px;
}

.form-legal i { color: var(--primary); }

/* ------------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------------ */
.footer {
  background: #111;
  color: rgba(255,255,255,.75);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand p {
  font-size: .9rem;
  margin-top: 14px;
  margin-bottom: 20px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--white);
}

.footer-logo i { color: var(--primary); font-size: 1.4rem; }

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  font-size: 1rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--primary); }

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .88rem;
  color: rgba(255,255,255,.65);
}

.footer-contact i {
  color: var(--primary);
  margin-top: 2px;
  flex-shrink: 0;
  width: 16px;
  text-align: center;
}

.footer-contact a { color: rgba(255,255,255,.65); transition: color var(--transition); }
.footer-contact a:hover { color: var(--primary); }

.footer-bottom {
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  text-align: center;
  font-size: .82rem;
  color: rgba(255,255,255,.4);
}

/* ------------------------------------------------------------------
   TOAST
   ------------------------------------------------------------------ */
.toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--secondary);
  color: var(--white);
  padding: 14px 24px;
  border-radius: var(--radius);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .9rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease, transform .35s ease;
  z-index: 9999;
  white-space: nowrap;
  max-width: calc(100vw - 40px);
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success { background: #27ae60; }
.toast.error { background: #e74c3c; }

/* ------------------------------------------------------------------
   WHATSAPP FLOTANTE
   ------------------------------------------------------------------ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  background: #25d366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  z-index: 990;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse-wa 2.5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,.6);
  animation: none;
}

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,.45); }
  50% { box-shadow: 0 4px 30px rgba(37,211,102,.75), 0 0 0 8px rgba(37,211,102,.12); }
}

/* ------------------------------------------------------------------
   RESPONSIVE — 480px
   ------------------------------------------------------------------ */
@media (min-width: 480px) {
  .hero-stats { flex-wrap: nowrap; }

  .calc-fields {
    grid-template-columns: repeat(2, 1fr);
  }

  .marcas-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ------------------------------------------------------------------
   RESPONSIVE — 768px
   ------------------------------------------------------------------ */
@media (min-width: 768px) {
  .section { padding: 88px 0; }

  .servicios-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ba-grid { gap: 48px; }

  .razones-grid { grid-template-columns: repeat(2, 1fr); }

  .equipo-grid { grid-template-columns: repeat(3, 1fr); }

  .testimonios-grid { grid-template-columns: repeat(3, 1fr); }

  .footer-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-bottom { flex-direction: row; justify-content: space-between; }

  .calc-wrapper {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

/* ------------------------------------------------------------------
   RESPONSIVE — 1024px
   ------------------------------------------------------------------ */
@media (min-width: 1024px) {
  .nav-hamburger { display: none; }

  .nav-links {
    display: flex !important;
    position: static;
    flex-direction: row;
    background: none;
    box-shadow: none;
    padding: 0;
    gap: 4px;
  }

  .servicios-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .nosotros-inner {
    grid-template-columns: 1fr 1.15fr;
    gap: 60px;
  }

  .nosotros-img { aspect-ratio: auto; }

  .contacto-inner {
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
  }

  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.4fr; }

  .marcas-grid { grid-template-columns: repeat(6, 1fr); }
}

/* ------------------------------------------------------------------
   MOBILE NAV MENU ABIERTO
   ------------------------------------------------------------------ */
@media (max-width: 1023px) {
  .nav-hamburger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--white);
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
    padding: 16px;
    gap: 4px;
    z-index: 999;
  }

  .nav-links.open { display: flex; }

  .nav-link {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: .95rem;
  }

  .btn-nav {
    width: 100%;
    justify-content: center;
    padding: 13px;
    margin-left: 0;
    margin-top: 6px;
  }
}