/* =========================================================
   GRUPO COEXPRO — sistema de diseño
   Azul de marca extraído del logo: #2B52C7
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=IBM+Plex+Mono:wght@500&display=swap');

:root{
  --blue: #2B52C7;
  --blue-dark: #131B3D;
  --blue-deep: #0B1024;
  --ink: #10131C;
  --steel: #5B6478;
  --concrete: #F3F1EA;
  --concrete-dark: #E6E2D6;
  --white: #FFFFFF;
  --amber: #E1972E;

  --display: 'Poppins', sans-serif;
  --body: 'Poppins', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius: 2px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--concrete);
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
h1,h2,h3,h4{
  font-family: var(--display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 0.95;
  margin: 0;
}
p{ margin: 0; line-height: 1.6; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content: '';
  width: 22px;
  height: 2px;
  background: var(--amber);
  display: inline-block;
}

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

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

/* ---------------- Header ---------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243,241,234,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--concrete-dark);
}
.site-header .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand{
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img{ height: 52px; width: 52px; }
.brand-text{
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.brand-text span{
  display: block;
  font-family: var(--display);
  font-weight: 300;
  text-transform: none;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}
.main-nav{
  display: flex;
  align-items: center;
  gap: 34px;
}
.main-nav a{
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
}
.main-nav a::after{
  content:'';
  position:absolute;
  left:0; bottom:0;
  width:0; height:2px;
  background: var(--amber);
  transition: width 0.25s ease;
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after{ width: 100%; }
.main-nav a[aria-current="page"]{ color: var(--blue); }

.nav-cta{
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--blue);
  color: var(--white) !important;
  padding: 12px 20px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
}
.nav-cta:hover{ background: var(--blue-dark); }

.nav-toggle{
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:'';
  display:block;
  width: 26px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: all 0.2s ease;
}
.nav-toggle span::before{ position:absolute; top:-8px; }
.nav-toggle span::after{ position:absolute; top:8px; }

@media (max-width: 900px){
  .main-nav{
    position: fixed;
    inset: 84px 0 0 0;
    background: var(--concrete);
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 28px;
    gap: 26px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav a{ font-size: 1.1rem; }
  .nav-toggle{ display: block; }
  .nav-cta{ display: none; }
}

/* ---------------- Footer ---------------- */
.site-footer{
  background: var(--blue-deep);
  color: var(--concrete);
  padding: 64px 0 28px;
  margin-top: 120px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand{ display: flex; gap: 14px; align-items: center; margin-bottom: 16px; }
.footer-brand img{ height: 44px; width: 44px; }
.footer-brand span{ font-family: var(--display); font-size: 1.1rem; }
.footer-col h4{
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin-bottom: 16px;
}
.footer-col a, .footer-col p{
  display: block;
  color: rgba(243,241,234,0.75);
  font-size: 0.92rem;
  margin-bottom: 10px;
}
.footer-col a:hover{ color: var(--white); }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.78rem;
  color: rgba(243,241,234,0.5);
  flex-wrap: wrap;
  gap: 12px;
}
.social-row{ display: flex; gap: 16px; }
.social-row a{
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  color: rgba(243,241,234,0.75);
}
.social-row a:hover{ border-color: var(--amber); color: var(--amber); }

@media (max-width: 800px){
  .footer-grid{ grid-template-columns: 1fr; }
}

/* ---------------- Page hero (inner pages) ---------------- */
.page-hero{
  background: var(--blue-deep);
  color: var(--white);
  padding: 100px 0 70px;
  position: relative;
  overflow: hidden;
}
.page-hero h1{
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  color: var(--white);
}
.page-hero .eyebrow{ color: var(--amber); margin-bottom: 18px; }
.page-hero .eyebrow::before{ background: var(--blue); }
.page-hero p.lede{
  font-family: var(--body);
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 620px;
  margin-top: 22px;
  text-transform: none;
}

.hero-slider{
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-slider img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.4s ease;
}
.hero-slider img.is-active{ opacity: 1; }
.hero-slider::after{
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,16,36,0.55) 0%, rgba(11,16,36,0.88) 100%);
}

/* ---------------- Home hero: skyline ascendente ---------------- */
.hero{
  position: relative;
  background: var(--blue-deep);
  color: var(--white);
  overflow: hidden;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
}
.hero-blueprint{
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.6;
}
.hero-content{
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 160px 0 0;
}
.hero .eyebrow{ color: var(--amber); }
.hero .eyebrow::before{ background: var(--blue); }
.hero h1{
  font-size: clamp(3rem, 8vw, 6.4rem);
  color: var(--white);
  margin-top: 20px;
  max-width: 920px;
}
.hero h1 em{
  font-style: normal;
  color: var(--blue);
  -webkit-text-stroke: 1.5px var(--white);
}
.hero p.lede{
  text-transform: none;
  font-family: var(--body);
  color: rgba(255,255,255,0.72);
  font-size: 1.15rem;
  max-width: 560px;
  margin-top: 26px;
}
.hero-actions{
  display: flex;
  gap: 18px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-skyline{
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  gap: clamp(6px, 1.4vw, 16px);
  height: clamp(160px, 30vw, 320px);
  margin-top: 70px;
  padding: 0 0 0 0;
}
.hero-skyline .bldg{
  flex: 1 1 0;
  background: linear-gradient(180deg, var(--blue) 0%, #1a2c6b 100%);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 1.1s cubic-bezier(.16,.84,.32,1);
  position: relative;
}
.hero-skyline.is-loaded .bldg{ transform: scaleY(1); }
.hero-skyline .bldg::before{
  content:'';
  position: absolute;
  inset: 10px 10px auto 10px;
  top: 14px;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.35) 0 6px, transparent 6px 14px);
}
.hero-skyline .bldg:nth-child(1){ height: 46%; transition-delay: 0.05s; }
.hero-skyline .bldg:nth-child(2){ height: 78%; transition-delay: 0.18s; }
.hero-skyline .bldg:nth-child(3){ height: 58%; transition-delay: 0.3s; }
.hero-skyline .bldg:nth-child(4){ height: 100%; transition-delay: 0.42s; background: linear-gradient(180deg, #3a63e0 0%, var(--blue) 100%); }
.hero-skyline .bldg:nth-child(5){ height: 65%; transition-delay: 0.54s; }
.hero-skyline .bldg:nth-child(6){ height: 40%; transition-delay: 0.64s; }
.hero-skyline .bldg:nth-child(7){ height: 82%; transition-delay: 0.74s; }
.hero-skyline .bldg:nth-child(8){ height: 50%; transition-delay: 0.84s; }

@media (prefers-reduced-motion: reduce){
  .hero-skyline .bldg{ transform: scaleY(1); transition: none; }
}

@media (max-width: 700px){
  .hero{ min-height: auto; }
  .hero-content{ padding-top: 120px; }
  .hero-skyline{ height: 160px; margin-top: 46px; }
}

/* ---------------- Generic section rhythm ---------------- */
.section{ padding: 96px 0; }
.section-tight{ padding: 64px 0; }
.section-title{
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-top: 14px;
  max-width: 760px;
}
.section-head{ margin-bottom: 56px; }
.section-head.split{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  flex-wrap: wrap;
}
.section-head p.lede{
  font-family: var(--body);
  text-transform: none;
  color: var(--steel);
  font-size: 1.05rem;
  max-width: 480px;
  margin-top: 14px;
}

.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 15px 26px;
  border: 1px solid var(--ink);
  transition: all 0.2s ease;
  cursor: pointer;
  background: transparent;
}
.btn-primary{
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}
.btn-primary:hover{ background: var(--blue-dark); border-color: var(--blue-dark); }
.btn-ghost{ border-color: rgba(255,255,255,0.4); color: var(--white); }
.btn-ghost:hover{ border-color: var(--amber); color: var(--amber); }
.btn-dark{ border-color: var(--ink); color: var(--ink); }
.btn-dark:hover{ background: var(--ink); color: var(--white); }

/* Placeholder tag used throughout for content the client must replace */
.placeholder-tag{
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(43,82,199,0.1);
  border: 1px dashed var(--blue);
  padding: 3px 8px;
  margin-top: 10px;
}

.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ---------------- Stats strip ---------------- */
.stats{
  background: var(--blue-deep);
  color: var(--white);
  padding: 72px 0;
}
.stats-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.stat b{
  font-family: var(--display);
  font-size: clamp(2.6rem, 5vw, 4rem);
  color: var(--white);
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.stat b .unit{ font-size: 0.4em; font-family: var(--mono); color: var(--amber); }
.stat span{
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-top: 10px;
}
@media (max-width: 700px){ .stats-grid{ grid-template-columns: 1fr; gap: 32px; } }
@media (min-width: 701px) and (max-width: 980px){ .stats-grid{ grid-template-columns: repeat(3, 1fr); gap: 24px; } .stat b{ font-size: clamp(2rem, 5vw, 2.8rem); } }

/* ---------------- Cards: servicios / diferenciales ---------------- */
.card-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2px;
  background: var(--concrete-dark);
}
.card{
  background: var(--concrete);
  padding: 40px 32px;
  transition: background 0.2s ease;
}
.card:hover{ background: var(--white); }
.card .num{
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--blue);
  letter-spacing: 0.08em;
}
.card h3{
  font-size: 1.4rem;
  margin-top: 18px;
  margin-bottom: 14px;
}
.card p{ color: var(--steel); font-size: 0.95rem; }
.card ul{ margin-top: 16px; }
.card ul li{
  font-size: 0.9rem;
  color: var(--steel);
  padding-left: 16px;
  position: relative;
  margin-bottom: 8px;
}
.card ul li::before{
  content:'';
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  background: var(--amber);
}

/* ---------------- Obras (grid de proyectos) ---------------- */
.obra-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}
.obra-card{
  background: var(--white);
  border: 1px solid var(--concrete-dark);
}
.obra-media{
  aspect-ratio: 4/3;
  background:
    repeating-linear-gradient(45deg, #dcd8ca 0 14px, #e6e2d6 14px 28px);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.obra-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.obra-media span{
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  background: rgba(255,255,255,0.85);
  padding: 6px 12px;
}
.obra-status{
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 10px;
  color: var(--white);
  background: var(--blue);
}
.obra-status.finalizada{ background: var(--ink); }
.obra-body{ padding: 26px 28px 30px; }
.obra-body h3{ font-size: 1.3rem; margin-bottom: 10px; }
.obra-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--steel);
}
.obra-meta strong{ color: var(--ink); }

/* ---------------- Servicios: filas con foto alternada ---------------- */
.service-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.service-row + .service-row{ margin-top: 110px; }
.service-row.reverse .service-media-wrap{ order: 2; }
.service-row.reverse .service-text{ order: 1; }

.service-media-wrap{
  position: relative;
}
.service-media-wrap::before{
  content: '';
  position: absolute;
  inset: 20px -20px -20px 20px;
  background: var(--blue);
  z-index: 0;
}
.service-row.reverse .service-media-wrap::before{
  background: var(--amber);
  inset: 20px 20px -20px -20px;
}
.service-media{
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  z-index: 1;
  background: repeating-linear-gradient(45deg, #dcd8ca 0 14px, #e6e2d6 14px 28px);
  box-shadow: 0 18px 34px rgba(16,19,28,0.18);
}
.service-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.service-media .placeholder-note{
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
}
.service-badge{
  position: absolute;
  z-index: 2;
  left: -22px;
  bottom: -22px;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.4rem;
  box-shadow: 0 10px 22px rgba(16,19,28,0.35);
  border: 4px solid var(--concrete);
}
.service-row.reverse .service-badge{ left: auto; right: -22px; }

.service-icon{
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--concrete-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.service-icon svg{ width: 24px; height: 24px; stroke: var(--blue); }

.service-tag{
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(43,82,199,0.1);
  padding: 5px 12px;
  margin-bottom: 14px;
}
.service-text h3{
  font-size: 1.8rem;
  margin: 0 0 16px;
}
.service-text p{ color: var(--steel); font-size: 1rem; }
.service-text ul{
  margin-top: 22px;
  display: grid;
  gap: 10px;
}
.service-text ul li{
  font-size: 0.92rem;
  color: var(--ink);
  padding: 10px 14px 10px 34px;
  position: relative;
  background: var(--concrete-dark);
}
.service-text ul li::before{
  content:'';
  position: absolute;
  left: 14px; top: 15px;
  width: 8px; height: 8px;
  background: var(--amber);
}

@media (max-width: 800px){
  .service-row, .service-row.reverse{ grid-template-columns: 1fr; }
  .service-row.reverse .service-media-wrap{ order: 1; }
  .service-row.reverse .service-text{ order: 2; }
  .service-row + .service-row{ margin-top: 72px; }
  .service-media-wrap::before{ inset: 14px -14px -14px 14px; }
  .service-row.reverse .service-media-wrap::before{ inset: 14px 14px -14px -14px; }
}

/* ---------------- Contact ---------------- */
.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.info-row{
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--concrete-dark);
}
.info-row .num{ font-family: var(--mono); color: var(--blue); font-size: 0.85rem; }
.info-row h4{
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 6px;
}
.info-row p{ font-size: 1.05rem; }

.form-field{ margin-bottom: 22px; }
.form-field label{
  display:block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 8px;
}
.form-field input, .form-field textarea{
  width: 100%;
  border: none;
  border-bottom: 2px solid var(--concrete-dark);
  background: transparent;
  padding: 10px 2px;
  font-family: var(--body);
  font-size: 1rem;
  color: var(--ink);
}
.form-field input:focus, .form-field textarea:focus{
  outline: none;
  border-color: var(--blue);
}
.form-field textarea{ resize: vertical; min-height: 100px; }

.map-placeholder{
  aspect-ratio: 16/9;
  background: repeating-linear-gradient(45deg, #dcd8ca 0 14px, #e6e2d6 14px 28px);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 40px;
}

@media (max-width: 800px){
  .contact-grid{ grid-template-columns: 1fr; }
}

/* ---------------- Empresa: valores / historia ---------------- */
.split-block{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.value-list li{
  padding: 26px 0;
  border-top: 1px solid var(--concrete-dark);
}
.value-list li:last-child{ border-bottom: 1px solid var(--concrete-dark); }
.value-list h3{ font-size: 1.2rem; margin-bottom: 8px; }
.value-list p{ color: var(--steel); font-size: 0.95rem; }

@media (max-width: 800px){
  .split-block{ grid-template-columns: 1fr; }
}