/* ============================================================
   CARRIZO INSTALACIONES — style.css
   Tipografía: Barlow Condensed (títulos) + Barlow (cuerpo)
   Acento: #e8501a  |  Dark: #0a0c10
============================================================ */

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

:root {
  --accent:      #e8501a;
  --accent-dim:  rgba(232,80,26,0.10);
  --accent-bdr:  rgba(232,80,26,0.22);
  --dark:        #0a0c10;
  --dark-2:      #141E30;
  --dark-3:      #1e293b;
  --card-bg:     rgba(255,255,255,0.75);
  --card-bdr:    rgba(0,0,0,0.07);
  --text-main:   #1a1a1a;
  --text-mid:    #444;
  --text-soft:   #888;
  --ease:        cubic-bezier(0.16,1,0.3,1);
}

html { scroll-behavior: smooth; font-size: 17px; }

body {
  font-family: 'Barlow', sans-serif;
  font-weight: 400;
  color: var(--text-main);
  overflow-x: hidden;
  background: #fff;
}

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

h1, h2, h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  line-height: 1.1;
}

p { font-weight: 300; line-height: 1.65; }

/* ── SCROLL PROGRESS ── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent);
  z-index: 9999;
  transition: width .1s linear;
  pointer-events: none;
}

/* ============================================================
   HERO / HEADER
============================================================ */
.container-1 {
  position: relative;
  background-image: url("imagenes/gas-7.webp");
  background-size: cover;
  background-position: center;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.container-1::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(10,12,16,0.58) 0%, rgba(10,12,16,0.22) 60%, rgba(10,12,16,0.45) 100%);
  z-index: 1;
}


/* ── HERO CANVAS (particle/line effect) ── */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  opacity: .55;
}

/* ── NAV ── */
.container-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* ── HERO LOCATION BADGE ── */
.hero-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 14px;
}
.hero-location svg { width: 13px; height: 13px; color: var(--accent); flex-shrink: 0; }

.img-logo {
  width: 148px;
  height: 148px;
  flex-shrink: 0;
  transition: width .4s var(--ease), height .4s var(--ease);
}

.img-logo img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 2px 10px rgba(0,0,0,.55)) drop-shadow(0 0 8px rgba(232,80,26,.3)); }

/* logo encoge al scrollear */
.nav--scrolled .img-logo {
  width: 72px;
  height: 72px;
}

/* desktop nav */
.menu ul {
  display: flex;
  align-items: center;
  gap: .25rem;
  margin: 0;
}

.menu ul li a, .menu ul li button {
  display: inline-block;
  padding: .55rem 1.2rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.82);
  border: none;
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: color .2s, background .2s;
  position: relative;
}

.menu ul li a::after {
  content: '';
  position: absolute;
  left: 50%; bottom: 2px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .3s var(--ease), left .3s var(--ease);
}

.menu ul li a:hover { color: #fff; }
.menu ul li a:hover::after { width: 60%; left: 20%; }

.menu ul li a.cta {
  background: var(--accent);
  color: #fff;
  border-radius: 4px;
  padding: .5rem 1.4rem;
}
.menu ul li a.cta::after { display: none; }
.menu ul li a.cta:hover { background: #c43d0f; }

/* hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: .5rem;
  z-index: 20;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* social icons header */
.redes { flex-shrink: 0; }

.redes-inicio {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 0;
}

.redes-inicio .icon-content a {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  color: #4d4d4d;
  background: #fff;
  transition: color .3s;
  box-shadow: 0 4px 12px rgba(0,0,0,.25);
}

.redes-inicio .icon-content a svg { position: relative; z-index: 1; width: 22px; height: 22px; }

.redes-inicio .icon-content a .filled {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 0;
  transition: height .3s ease;
}

.redes-inicio .icon-content a:hover { color: #fff; }
.redes-inicio .icon-content a:hover .filled { height: 100%; }
.redes-inicio .icon-content a[data-social="whatsapp"] .filled { background: #25d366; }
.redes-inicio .icon-content a[data-social="facebook"] .filled  { background: #1877f2; }
.redes-inicio .icon-content a[data-social="instagram"] .filled {
  background: linear-gradient(45deg,#405de6,#5b51db,#b33ab4,#e1306c,#fd1f1f);
}

/* ── HERO TEXT ── */
.presentacion-inicio {
  position: relative;
  z-index: 5;
  margin: 0 0 0 6%;
  margin-top: clamp(60px, 10vh, 120px);
  max-width: 580px;
  padding: 2.5rem 2.5rem 2.5rem;
  border-radius: 8px;
  background: rgba(10,12,16,0.45);
  backdrop-filter: blur(6px);
  border-left: 3px solid var(--accent);
  opacity: 0;
  transform: translateY(30px);
  animation: heroIn .9s .4s var(--ease) forwards;
}

.presentacion-inicio h1 {
  font-size: clamp(2.4rem,5vw,3.8rem);
  color: #fff;
  margin-bottom: .75rem;
  text-shadow: 0 2px 12px rgba(0,0,0,.5);
}

.presentacion-inicio h2 {
  font-family: 'Barlow', sans-serif;
  font-size: clamp(1.15rem,2.5vw,1.5rem);
  font-weight: 300;
  color: rgba(255,255,255,.85);
  margin-bottom: 1.75rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--accent);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .75rem 1.75rem;
  border-radius: 4px;
  transition: background .2s, transform .2s;
}

.hero-cta:hover { background: #c43d0f; transform: translateY(-2px); }

/* ============================================================
   PROPUESTA VALOR
============================================================ */
.propuesta-valor {
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  background-color: rgb(39, 38, 38);
  height: 60px;
  background: #232526;
  /* fallback for old browsers */
  background: -webkit-linear-gradient(to left, #414345, #232526);
  /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(to left, #414345, #232526);
  /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

.propuesta-valor h2 {
  font-size: clamp(1.6rem,4vw,2.8rem);
  background: linear-gradient(to right, #e65c00 20%, #fad014 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  text-align: center;
}

.propuesta-valor h2 span { font-size: inherit; }

/* ============================================================
   FEATURES
============================================================ */


.features {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(240px,1fr));
  gap: 24px;
  padding: 64px 8%;
  background: linear-gradient(to left, #274046, #E6DADA);
}

.feature {
  background: rgba(255,255,255,.3);
  backdrop-filter: blur(4px);
  padding: 28px 22px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,.06);
  transition: transform .3s, box-shadow .3s;
  opacity: 0;
  transform: translateY(40px);
}

.feature.revealed { opacity: 1; transform: translateY(0); }
.feature:hover { transform: translateY(-6px); box-shadow: 0 12px 28px rgba(0,0,0,.12); }

.icono {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  color: #0da70d;
}
.icono svg { width: 100%; height: 100%; }

.feature h3 {
  font-size: 1.45rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.feature p { font-size: 1.05rem; color: #413f3f; } 




/* ============================================================
   SERVICIOS
============================================================ */
.container-2 {
  padding: 64px 4% 80px;
  background: linear-gradient(to right, #243B55, #141E30);
}

.titulo-servicios {
  text-align: center;
  margin-bottom: 40px;
}

.titulo-servicios h2 {
  font-size: clamp(1.6rem,3.5vw,2.4rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: 3px;
  text-transform: uppercase;
  display: inline-block;
  position: relative;
}

.titulo-servicios h2::after {
  content: '';
  position: absolute;
  bottom: -10px; left: 50%;
  transform: translateX(-50%);
  width: 40px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* service grid */
.galeria-servicios {
  display: grid;
  grid-template-columns: repeat(6,1fr);
  grid-template-rows: 560px 420px;
  gap: 10px;
  max-width: 1400px;
  margin: 0 auto;
  height: 1000px;
}

.img-servicio-1 { grid-column: span 3; grid-row: 1; }
.img-servicio-2 { grid-column: span 3; grid-row: 1; }
.img-servicio-3 { grid-column: span 2; grid-row: 2; }
.img-servicio-4 { grid-column: span 2; grid-row: 2; }
.img-servicio-5 { grid-column: span 2; grid-row: 2; }

.img-servicio-1,
.img-servicio-2,
.img-servicio-3,
.img-servicio-4,
.img-servicio-5 {
  position: relative;
  background-size: cover;
  background-position: center;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform .45s ease, box-shadow .45s ease;
}

.img-servicio-1:hover,
.img-servicio-2:hover,
.img-servicio-3:hover,
.img-servicio-4:hover,
.img-servicio-5:hover {
  transform: scale(1.015);
  box-shadow: 0 24px 56px rgba(0,0,0,.6);
}

.img-servicio-1 { background-image: url("imagenes/img35.webp"); }
.img-servicio-2 { background-image: url("imagenes/img52.webp"); }
.img-servicio-3 { background-image: url("imagenes/img5.webp"); }
.img-servicio-4 { background-image: url("imagenes/img44.webp"); }
.img-servicio-5 { background-image: url("imagenes/img55.webp"); }

.overlay {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: rgba(0,0,0,.42);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 28px 24px;
  transition: background .4s;
}

.overlay::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .45s ease;
}

.img-servicio-1:hover .overlay,
.img-servicio-2:hover .overlay,
.img-servicio-3:hover .overlay,
.img-servicio-4:hover .overlay,
.img-servicio-5:hover .overlay { background: rgba(0,0,0,.72); }

.img-servicio-1:hover .overlay::after,
.img-servicio-2:hover .overlay::after,
.img-servicio-3:hover .overlay::after,
.img-servicio-4:hover .overlay::after,
.img-servicio-5:hover .overlay::after { width: 100%; }

.nombre-servicio {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.1rem,2.2vw,1.6rem);
  font-weight: 700;
  font-style: italic;
  color: var(--accent);
  text-shadow: 0 2px 12px rgba(0,0,0,.7);
  margin-bottom: 12px;
  transition: transform .35s, letter-spacing .35s;
}

.img-servicio-1:hover .nombre-servicio,
.img-servicio-2:hover .nombre-servicio,
.img-servicio-3:hover .nombre-servicio,
.img-servicio-4:hover .nombre-servicio,
.img-servicio-5:hover .nombre-servicio { transform: translateY(-5px); }

.service-divider {
  width: 0; height: 1px;
  background: rgba(255,255,255,.3);
  margin: 0 auto 12px;
  transition: width .4s ease .05s;
}

.img-servicio-1:hover .service-divider,
.img-servicio-2:hover .service-divider,
.img-servicio-3:hover .service-divider,
.img-servicio-4:hover .service-divider,
.img-servicio-5:hover .service-divider { width: 40px; }

.brief-text {
  display: block;
  font-size: clamp(.9rem,1.4vw,1.05rem);
  font-weight: 300;
  font-style: italic;
  color: rgba(255,255,255,.92);
  line-height: 1.6;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .35s ease .1s, transform .35s ease .1s;
  max-width: 380px;
  margin: 0 auto;
}

.img-servicio-1:hover .brief-text,
.img-servicio-2:hover .brief-text,
.img-servicio-3:hover .brief-text,
.img-servicio-4:hover .brief-text,
.img-servicio-5:hover .brief-text { opacity: 1; transform: translateY(0); }

/* ============================================================
   GALERÍA TRABAJOS
============================================================ */


.galeria-section {
  padding: 80px 0 0;
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}


.galeria-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 48px;
  padding: 0 20px;
}




.galeria-header h2 {
  font-size: 2.8rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 2px;
  margin-bottom: 15px;
  text-transform: uppercase;
  position: relative;
}

/* LÍNEA */
.galeria-header h2::after {
  content: "";
  width: 50px;
  height: 2px;
  background: #e53935;
  display: block;
  margin: 12px auto 0;
  border-radius: 10px;
}


/* SUBTEXTO */
.galeria-header p {
  color: #94a3b8;
  font-size: 1rem;
}



/* 
:root {
  --accent: #e8501a;
  --accent-dim: rgba(232, 80, 26, 0.10);
  --accent-border: rgba(232, 80, 26, 0.22);
  --card-bg: rgba(255, 255, 255, 0.75);
  --card-border: rgba(0, 0, 0, 0.07);
  --text-main: #1a1a1a;
  --text-mid: #444444;
  --text-soft: #888888;
} */

/*
.galeria-trabajos {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  grid-auto-rows: 480px;
  gap: 16px;
  padding: 0 3% 60px;
  background: linear-gradient(to right, #243B55, #141E30);
}

.servicio {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  transition: transform .4s ease, box-shadow .4s ease;
}

.servicio:hover {
  transform: scale(1.05);
  box-shadow: 0 16px 40px rgba(0,0,0,.4);
  cursor: pointer;
}

.layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}


 */


/* Configuracion de trabajos */

.galeria-trabajos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 560px;
  gap: 18px;
  padding: 40px 4% 70px;
}

.servicio {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,0,0,.35);
  transform: scale(1);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
  will-change: transform;
}

.servicio:hover {
  transform: scale(1.05);
  box-shadow: 0 18px 50px rgba(0,0,0,.6);
  z-index: 2;
}

/* capas */
.layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: opacity 1.4s ease, filter 1.4s ease, transform .6s ease;
}

/* card label overlay */
.card-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  background: linear-gradient(to top, rgba(0,0,0,.72) 0%, transparent 100%);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  z-index: 2;
  pointer-events: none;
}

.card-label svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

.progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 6.5px;
  width: 100%;
  background: rgba(255, 255, 255, 0.15);
  overflow: hidden;
}

.progress-bar-inner {
  height: 100%;
  width: 100%;
  background: rgba(255, 255, 255, 0.8);
  transform: scaleX(0);
  transform-origin: left;
}

  

/* ============================================================
   SOBRE NOSOTROS
============================================================ */
/* ============================================================
   SOBRE NOSOTROS — rediseño dark minimalista
============================================================ */
.container-3 {
  background: #0f1117;
  padding: 100px 5%;
  position: relative;
  overflow: hidden;
}

/* ambient glow */
.container-3::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(232,80,26,.07) 0%, transparent 70%);
  pointer-events: none;
}

.sobre-wrapper {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: none;
  border-radius: 0;
  padding: 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.tag::before, .tag::after {
  content: '';
  width: 28px; height: 1px;
  background: var(--accent);
  opacity: .5;
}

.sobre-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.9rem,4vw,3rem);
  font-weight: 700;
  color: #fff;
  text-align: center;
  margin-bottom: 56px;
  max-width: 680px;
  letter-spacing: -.5px;
  line-height: 1.15;
  text-shadow: none;
}

.sobre-title em { font-style: normal; color: var(--accent); }

/* 3 cards — dark glass */
.sobre-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1px;
  width: 100%;
  margin-bottom: 1px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 12px;
  overflow: hidden;
}

.sobre-block {
  background: #13161d;
  padding: 32px 26px;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease), background .3s;
}

.sobre-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}

.sobre-block:hover { background: #181c25; }
.sobre-block:hover::before { transform: scaleX(1); }
.sobre-block.revealed { opacity: 1; transform: translateY(0); }

.block-icon {
  font-size: 1.5rem;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  color: var(--accent);
}
.block-icon svg { width: 26px; height: 26px; }

.block-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  margin-bottom: 10px;
}

.block-text {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,.65);
  font-weight: 300;
}

.block-text strong { color: rgba(255,255,255,.85); font-weight: 500; }

/* stat + quote row */
.sobre-bottom {
  display: grid;
  grid-template-columns: repeat(3, 150px) 1fr;
  gap: 1px;
  width: 100%;
  margin-bottom: 32px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.06);
  border-top: none;
  border-radius: 0 0 12px 12px;
  overflow: hidden;
}

.stat-card {
  background: #13161d;
  padding: 28px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 0;
  box-shadow: none;
  border: none;
}

.stat-number {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 3.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -2px;
}

.stat-label {
  font-size: .62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  margin-top: 6px;
}

.quote-card {
  background: #13161d;
  padding: 28px 36px 28px 48px;
  display: flex;
  align-items: center;
  position: relative;
  border: none;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.quote-mark {
  position: absolute;
  top: 14px; left: 20px;
  font-size: 4.5rem;
  color: rgba(232,80,26,.12);
  line-height: 1;
  user-select: none;
}

.quote-text {
  font-family: 'Barlow', sans-serif;
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1rem,1.6vw,1.15rem);
  color: rgba(255,255,255,.5);
  line-height: 1.7;
  padding-left: 0;
}

/* badges */
.badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.badges span {
  padding: 5px 16px;
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .5px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.45);
  transition: all .25s ease;
  cursor: default;
}

.badges span:hover {
  background: var(--accent-dim);
  border-color: var(--accent-bdr);
  color: var(--accent);
  transform: translateY(-2px);
}



/* parallax band removed */

/* ============================================================
   BRIDGE STRIP — between sobre-nosotros and footer
============================================================ */
.bridge-strip {
  position: relative;
  height: 420px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* parallax handled by .parallax-inner-layer */

/* dark overlay */
.bridge-strip::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    #0f1117 0%,
    rgba(10,12,16,0.55) 30%,
    rgba(10,12,16,0.55) 70%,
    #0a0c10 100%
  );
  z-index: 1;
}

.bridge-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 5%;
}

.bridge-content h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0,0,0,.6);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.bridge-content h2 em {
  font-style: normal;
  color: var(--accent);
}

.bridge-content p {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: rgba(255,255,255,.6);
  font-weight: 300;
  max-width: 480px;
  margin: 0 auto 2rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .8s .15s var(--ease), transform .8s .15s var(--ease);
}

.bridge-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .75rem 2rem;
  border-radius: 4px;
  transition: background .2s, transform .2s;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .7s .3s var(--ease), transform .7s .3s var(--ease), background .2s;
}

.bridge-cta:hover { background: #26b10a; transform: translateY(-2px) !important; }

.bridge-strip.revealed .bridge-content h2,
.bridge-strip.revealed .bridge-content p,
.bridge-strip.revealed .bridge-cta {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   FOOTER
============================================================ */
footer {
  width: 100%;
  background: linear-gradient(180deg, #0d0f15 0%, #0a0c10 55%, #0c0e13 100%);
  border-top: 1px solid rgba(255,255,255,.05);
  position: relative;
  overflow: hidden;
}

/* línea acento superior */
footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg,transparent,var(--accent) 35%,var(--accent) 65%,transparent);
}

/* glow radial detrás del logo central */
footer::after {
  content: '';
  position: absolute;
  top: 30%; left: 50%;
  transform: translate(-50%, -50%);
  width: 520px; height: 380px;
  background: radial-gradient(ellipse, rgba(232,80,26,0.055) 0%, transparent 68%);
  pointer-events: none;
  z-index: 0;
}

/* watermark */
.footer-watermark {
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(60px,12vw,140px);
  font-weight: 800;
  letter-spacing: 10px;
  color: rgba(255,255,255,.018);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

/* TOP: 3 columnas nav | logo-center | slogan+redes */
.footer-top {
  position: relative;
  z-index: 1;
  padding: 56px 6% 48px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 40px;
  border-bottom: 1px solid rgba(255,255,255,.05);
}

/* columna izquierda — nav */
.footer-nav { display: flex; gap: 48px; }

/* columna central — logo */
.footer-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.footer-tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,.22);
}

/* columna derecha — slogan + redes */
.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 20px;
}

.footer-slogan {
  font-size: .82rem;
  font-weight: 300;
  color: rgba(255,255,255,.35);
  line-height: 1.75;
  text-align: right;
  max-width: 260px;
}

.footer-slogan strong { color: rgba(255,255,255,.6); font-weight: 400; }

.footer-nav { display: flex; gap: 56px; }

.footer-nav-col h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.2);
  margin-bottom: 18px;
}

.footer-nav-col ul { display: flex; flex-direction: column; gap: 11px; margin: 0; }

.footer-nav-col ul li a {
  font-size: .86rem;
  font-weight: 300;
  color: rgba(255,255,255,.45);
  transition: color .2s, letter-spacing .2s;
  display: inline-block;
}

.footer-nav-col ul li a:hover { color: #fff; letter-spacing: .02em; }

.footer-logo-img {
  width: 130px; height: 130px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(232,80,26,.3));
  transition: filter .35s, transform .35s;
}

.footer-logo-img:hover {
  filter: drop-shadow(0 0 28px rgba(232,80,26,.55));
  transform: scale(1.04);
}

/* BOTTOM: copyright centrado */
.footer-bottom {
  position: relative;
  z-index: 1;
  padding: 18px 6%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-copy {
  font-size: .7rem;
  font-weight: 300;
  color: rgba(255,255,255,.18);
  text-align: center;
  line-height: 1.6;
}

.footer-copy a { color: rgba(232,80,26,.55); transition: color .2s; }
.footer-copy a:hover { color: var(--accent); }

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

.social-btn {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.04);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.5);
  transition: color .25s, transform .25s, border-color .25s, box-shadow .25s;
  position: relative;
  overflow: hidden;
}

.social-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .25s;
  border-radius: inherit;
}

.social-btn:hover {
  color: #fff;
  transform: translateY(-4px);
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(0,0,0,.35);
}
.social-btn:hover::before { opacity: 1; }
.social-btn[data-social="whatsapp"]::before  { background: #25d366; }
.social-btn[data-social="facebook"]::before  { background: #1877f2; }
.social-btn[data-social="instagram"]::before { background: radial-gradient(circle at 30% 30%,#f58529,#dd2a7b,#8134af); }
.social-btn svg { position: relative; z-index: 1; }

.footer-divider { width: 1px; height: 26px; background: rgba(255,255,255,.08); }


/* Parallax inner layers (driven by JS) */
.parallax-band .parallax-inner-layer,
.bridge-strip .parallax-inner-layer {
  position: absolute;
  inset: -80px 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
  will-change: transform;
  transition: transform .05s linear;
}

/* .parallax-band .parallax-inner-layer {
  background-image: url('imagenes/gas-4.jpg');
} */

.bridge-strip .parallax-inner-layer {
  background-image: url('imagenes/gas-8.jpg');
}

/* ── SCROLL TO TOP ── */
.scroll-top {
  position: fixed;
  bottom: 116px; right: 24px;
  width: 54px; height: 54px;
  background: var(--accent);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 18px rgba(232,80,26,.45);
  z-index: 9997;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), background .2s, box-shadow .25s;
  pointer-events: none;
}
.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.scroll-top:hover {
  background: #c43d0f;
  box-shadow: 0 8px 28px rgba(232,80,26,.65);
  transform: translateY(-3px);
}

/* ── WHATSAPP FLOAT ── */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 24px;
  width: 62px; height: 62px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  z-index: 9998;
  transition: transform .25s var(--ease), box-shadow .25s;
}
.whatsapp-float:hover {
  transform: scale(1.12) translateY(-3px);
  box-shadow: 0 8px 32px rgba(37,211,102,.65);
}

/* ── FOOTER HOURS ── */
.footer-hours {
  font-size: .82rem;
  font-weight: 300;
  color: rgba(255,255,255,.25);
  margin-top: 4px;
  cursor: default;
}

/* ============================================================
   KEYFRAMES
============================================================ */
@keyframes heroIn {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   RESPONSIVE — TABLET (960px)
============================================================ */
@media (max-width: 960px) {
  .container-header { padding: 0 1.5rem; }
  .img-logo { width: 120px; height: 120px; }
  .nav--scrolled .img-logo { width: 62px; height: 62px; }

  /* show hamburger, hide desktop nav + redes */
  .hamburger { display: flex; }
  .redes { display: none; }

  .menu {
    position: fixed;
    top: 0; right: -100%;
    width: 75%; max-width: 300px;
    height: 100vh;
    background: rgba(10,12,16,.97);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: right .35s var(--ease);
    z-index: 15;
  }

  .menu.open { right: 0; }

  .menu ul {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .menu ul li a {
    font-size: 1.4rem;
    color: rgba(255,255,255,.85);
    padding: .6rem 1.5rem;
    display: block;
  }

  .menu ul li a.cta {
    background: var(--accent);
    color: #fff;
    border-radius: 6px;
  }

  .presentacion-inicio {
    margin: 0 auto;
    margin-top: clamp(50px,8vh,90px);
    max-width: 90%;
    padding: 2rem 1.75rem;
  }

  .features { padding: 48px 5%; gap: 16px; }

  .galeria-servicios {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    height: auto;
  }

  .img-servicio-1, .img-servicio-2 { grid-column: span 2; height: 280px; }
  .img-servicio-3, .img-servicio-4, .img-servicio-5 { grid-column: span 1; height: 200px; }

  .galeria-trabajos {
    grid-template-columns: repeat(2,1fr);
    grid-auto-rows: 280px;
  }

  .sobre-grid { grid-template-columns: 1fr; gap: 0; border-radius: 12px 12px 0 0; }
  .sobre-bottom { grid-template-columns: 1fr; border-radius: 0 0 12px 12px; }
  .stat-card { flex-direction: row; gap: 16px; align-items: center; padding: 18px 22px; min-width: unset; }
  .stat-number { font-size: 2.8rem; }

  .footer-top { grid-template-columns: 1fr; padding: 44px 5% 36px; gap: 36px; }
  .footer-nav { gap: 32px; }
  .footer-center { order: -1; }
  .footer-brand { align-items: flex-start; }
  .footer-slogan { text-align: left; }
  .footer-bottom { padding: 16px 5%; }
  .footer-divider { display: none; }
}

/* ============================================================
   RESPONSIVE — MOBILE (640px)
============================================================ */
@media (max-width: 640px) {
  html { font-size: 16px; }

  .img-logo { width: 92px; height: 92px; }

  .presentacion-inicio { padding: 1.5rem; }
  .presentacion-inicio h1 { font-size: 2rem; }
  .hero-cta { font-size: .9rem; padding: .65rem 1.4rem; }

  .propuesta-valor { padding: 2rem 1rem; }

  .features { padding: 40px 5%; }

  .container-2 { padding: 48px 4% 60px; }

  .galeria-servicios {
    grid-template-columns: 1fr;
    height: auto;
  }

  .img-servicio-1, .img-servicio-2,
  .img-servicio-3, .img-servicio-4, .img-servicio-5 {
    grid-column: span 1;
    height: 220px;
  }

  .galeria-trabajos {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
  }

  .container-3 { padding: 40px 4%; }
  .sobre-wrapper { padding: 32px 20px; border-radius: 14px; }
  .sobre-title { font-size: 1.5rem; }

  .galeria-section { padding: 60px 5%; }
  .galeria-header h2 { font-size: 1.7rem; }

  .footer-top { padding: 36px 5% 28px; gap: 28px; }
  .footer-nav { flex-direction: column; gap: 24px; }
  .footer-bottom { padding: 16px 5%; }
  .footer-logo-img { width: 100px; height: 100px; }
}

/* ============================================================
   RESPONSIVE — SMALL (400px)
============================================================ */
@media (max-width: 400px) {
  .presentacion-inicio h1 { font-size: 1.7rem; }
  .menu { width: 90%; }
}