/* =============================================
   LÓPEZ PAVIMENTOS – DESIGN SYSTEM
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&display=swap');

/* ─── TOKENS ─── */
:root {
  /* Colores corporativos López Pavimentos */
  --orange:       #FB9946;
  --orange-dark:  #e8852e;
  --orange-light: #fdb06a;
  --orange-50:    #FFF6EE;
  --orange-100:   #FFE5CC;

  --white:    #FFFFFF;
  --gray-50:  #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #E8E8EC;
  --gray-300: #D2D2D8;
  --gray-400: #B0B5BA;
  --gray-500: #889299;   /* gris corporativo */
  --gray-600: #757B7F;   /* gris oscuro corporativo */
  --gray-700: #4A5055;
  --gray-900: #1C2024;

  --font: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --nav-h: 80px;
  --max-w: 1280px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.10);
  --shadow-xl: 0 24px 60px rgba(0,0,0,.13);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  --ease: cubic-bezier(.4,0,.2,1);
  --ease-out: cubic-bezier(0,.55,.45,1);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); color: var(--gray-900); background: var(--white); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, textarea, select { font-family: var(--font); }

/* ─── TYPOGRAPHY ─── */
h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); font-weight: 700; line-height: 1.1; letter-spacing: -.03em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); font-weight: 700; line-height: 1.2; letter-spacing: -.025em; }
h3 { font-size: clamp(1.3rem, 2vw, 1.75rem); font-weight: 600; line-height: 1.3; letter-spacing: -.02em; }
h4 { font-size: 1.125rem; font-weight: 600; line-height: 1.4; }
p { font-size: 1.0625rem; line-height: 1.75; color: var(--gray-600); }
.lead { font-size: 1.25rem; line-height: 1.65; color: var(--gray-600); }

/* ─── LAYOUT ─── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-title { text-align: center; margin-bottom: 16px; }
.section-sub { text-align: center; max-width: 680px; margin: 0 auto 60px; color: var(--gray-500); font-size: 1.125rem; line-height: 1.65; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-full);
  font-size: .9375rem; font-weight: 600; letter-spacing: -.01em;
  transition: all .25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange); color: var(--white);
  box-shadow: 0 4px 16px rgba(232,99,10,.35);
}
.btn-primary:hover {
  background: var(--orange-dark);
  box-shadow: 0 6px 24px rgba(232,99,10,.45);
  transform: translateY(-1px);
}
.btn-secondary {
  background: rgba(255,255,255,.15); color: var(--white);
  border: 1.5px solid rgba(255,255,255,.5);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,.25);
  border-color: rgba(255,255,255,.8);
}
.btn-outline {
  background: transparent; color: var(--orange);
  border: 2px solid var(--orange);
}
.btn-outline:hover { background: var(--orange); color: var(--white); transform: translateY(-1px); }
.btn-ghost {
  background: var(--gray-100); color: var(--gray-900);
}
.btn-ghost:hover { background: var(--gray-200); }
.btn-sm { padding: 10px 20px; font-size: .875rem; }
.btn-lg { padding: 18px 36px; font-size: 1.0625rem; }

/* ─── NAVIGATION ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: all .3s var(--ease);
}
.nav.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255,255,255,.97);
}
.nav-inner {
  height: 100%; display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
}
.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.nav-logo-img { height: 64px; width: auto; display: block; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px; border-radius: var(--radius-full);
  font-size: .9375rem; font-weight: 500; color: var(--gray-700);
  transition: all .2s var(--ease);
}
.nav-link:hover { color: var(--gray-900); background: var(--gray-100); }
.nav-link.active { color: var(--orange); }

.nav-cta { margin-left: 12px; }
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  width: 36px; height: 36px; justify-content: center; align-items: center;
  background: var(--gray-100); border-radius: var(--radius-sm);
}
.nav-hamburger span {
  display: block; width: 20px; height: 2px; background: var(--gray-900);
  border-radius: 2px; transition: all .25s var(--ease);
}
.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); }

.nav-mobile {
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--white); border-bottom: 1px solid var(--gray-200);
  padding: 16px 24px 24px;
  transform: translateY(-110%); opacity: 0;
  transition: all .35s var(--ease);
  z-index: 999; box-shadow: var(--shadow-lg);
}
.nav-mobile.open { transform: translateY(0); opacity: 1; }
.nav-mobile-link {
  display: block; padding: 14px 0;
  font-size: 1.0625rem; font-weight: 500; color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  transition: color .2s;
}
.nav-mobile-link:hover { color: var(--orange); }
.nav-mobile .btn { width: 100%; justify-content: center; margin-top: 16px; }

/* ─── HERO CAROUSEL ─── */
.hero {
  position: relative; height: 100vh; min-height: 600px; max-height: 900px;
  overflow: hidden; margin-top: 0;
}
.hero-track {
  position: relative; width: 100%; height: 100%;
}
.hero-slide {
  position: absolute; inset: 0; width: 100%; height: 100%;
  overflow: hidden; opacity: 0; z-index: 0;
}
.hero-slide-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; transform: scale(1.05);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,.68) 0%, rgba(0,0,0,.40) 60%, rgba(0,0,0,.10) 100%);
}
.hero-ghost-text {
  position: absolute; bottom: -20px; right: -20px;
  font-size: clamp(5rem, 16vw, 14rem); font-weight: 900;
  color: rgba(255,255,255,.04); line-height: 1;
  letter-spacing: -.04em; user-select: none; pointer-events: none;
  text-transform: uppercase; white-space: nowrap;
}
.hero-content {
  position: absolute; inset: 0; display: flex; align-items: center;
  padding-top: var(--nav-h);
}
.hero-content .container { width: 100%; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(232,99,10,.2); border: 1px solid rgba(232,99,10,.4);
  color: #FF9552; font-size: .8125rem; font-weight: 600;
  padding: 6px 14px; border-radius: var(--radius-full);
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: 20px;
  backdrop-filter: blur(8px);
}
.hero-badge-dot { width: 6px; height: 6px; background: var(--orange); border-radius: 50%; }
.hero-title {
  color: var(--white); margin-bottom: 20px;
  font-size: clamp(2.5rem, 6.5vw, 5rem);
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.hero-desc {
  color: rgba(255,255,255,.80); max-width: 540px;
  font-size: clamp(1rem, 1.5vw, 1.1875rem);
  line-height: 1.7; margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-nav {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 10;
}
.hero-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,.4);
  transition: all .3s var(--ease); cursor: pointer;
}
.hero-dot.active { background: var(--white); width: 24px; border-radius: 4px; }
.hero-arrows {
  position: absolute; bottom: 40px; right: 40px;
  display: flex; gap: 10px; z-index: 10;
}
.hero-arrow {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.15); border: 1.5px solid rgba(255,255,255,.3);
  color: white; display: flex; align-items: center; justify-content: center;
  font-size: 1.125rem; cursor: pointer;
  transition: all .25s var(--ease); backdrop-filter: blur(8px);
}
.hero-arrow:hover { background: rgba(255,255,255,.3); border-color: rgba(255,255,255,.6); }

/* ─── INTRO SECTION ─── */
.intro { background: var(--white); }
/* ─── INTRO SPLIT ─── */
.intro-split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.intro-sub { color: var(--gray-600); font-size: .9375rem; line-height: 1.7; margin-top: 16px; margin-bottom: 0; }
.intro-cta-desktop { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.intro-label {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--orange); font-size: .8125rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px;
}
.intro-label::before { content: ''; display: block; width: 24px; height: 2px; background: var(--orange); }
.intro-title { margin-bottom: 0; }
.intro-left { display: flex; flex-direction: column; }

/* ─── WHY CAROUSEL (intro right) ─── */
.why-carousel { position: relative; }
.why-cards { position: relative; height: 300px; }
.why-carousel .why-card {
  position: absolute; inset: 0;
  background: var(--white); border-radius: var(--radius-xl);
  padding: 36px; border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none;
  transition: opacity .5s ease;
  display: flex; flex-direction: column; gap: 14px;
}
.why-carousel .why-card.active { opacity: 1; pointer-events: auto; }
.why-card-num {
  font-size: 3.5rem; font-weight: 900; color: var(--gray-100);
  line-height: 1; position: absolute; top: 20px; right: 28px;
  letter-spacing: -.05em;
}
.why-card-icon {
  width: 48px; height: 48px; background: var(--orange-50);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--orange); font-size: 1.25rem; flex-shrink: 0;
}
.why-card-title { font-size: 1.125rem; font-weight: 700; color: var(--gray-900); margin: 0; }
.why-card-text { color: var(--gray-600); line-height: 1.65; margin: 0; font-size: .9rem; }

/* Texture swatches */
.tex-card {
  background-color: var(--tex-bg) !important;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.12'/%3E%3C/svg%3E") !important;
  background-size: cover !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 10px !important;
  padding: 0 !important;
  border: none !important;
  box-shadow: 0 8px 32px rgba(0,0,0,.18) !important;
}
.tex-label {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(0,0,0,.4);
}
.tex-sub {
  font-size: .8rem;
  color: rgba(255,255,255,.8);
  letter-spacing: .04em;
  text-shadow: 0 1px 3px rgba(0,0,0,.3);
}
.why-dots {
  display: none;
}
.why-dot {
  width: 8px; height: 8px; border-radius: var(--radius-full);
  background: var(--gray-300); border: none; cursor: pointer;
  transition: all .3s ease; padding: 0;
}
.why-dot.active { width: 28px; background: var(--orange); }

/* ─── MORTEX FEATURED ─── */
.mortex-featured { background: var(--gray-900); color: white; overflow: hidden; position: relative; }
.mortex-featured::before {
  content: 'MORTEX'; position: absolute;
  font-size: 18vw; font-weight: 900; color: rgba(255,255,255,.025);
  letter-spacing: -.05em; top: 50%; left: 50%; transform: translate(-50%,-50%);
  pointer-events: none; user-select: none; white-space: nowrap;
}
.mortex-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.mortex-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(232,99,10,.2); border: 1px solid rgba(232,99,10,.4);
  color: #FF9552; font-size: .8125rem; font-weight: 700;
  padding: 8px 16px; border-radius: var(--radius-full);
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: 20px;
}
.mortex-badge i { font-size: .875rem; }
.mortex-title { color: white; margin-bottom: 24px; }
.mortex-title span { color: var(--orange); }
.mortex-text { color: rgba(255,255,255,.65); margin-bottom: 36px; }
.mortex-cert {
  display: flex; align-items: center; gap: 16px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg); padding: 20px 24px; margin-bottom: 32px;
}
.mortex-cert-icon {
  width: 52px; height: 52px; background: var(--orange); border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.5rem; flex-shrink: 0;
}
.mortex-cert-text { font-size: .8125rem; color: rgba(255,255,255,.5); }
.mortex-cert-name { font-size: 1rem; font-weight: 700; color: white; margin-top: 2px; }
.mortex-visual { position: relative; }
.mortex-img {
  width: 100%; aspect-ratio: 1/1.1; object-fit: cover;
  border-radius: var(--radius-xl); position: relative;
}
.mortex-img-label {
  position: absolute; top: 20px; right: 20px;
  background: var(--orange); color: white;
  padding: 8px 16px; border-radius: var(--radius-full);
  font-size: .8125rem; font-weight: 700; letter-spacing: .04em;
}

/* ─── WHY CHOOSE ─── */
.why { background: var(--gray-50); }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px;
  border: 1px solid var(--gray-200); transition: all .3s var(--ease);
  position: relative; overflow: hidden;
}
.why-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--orange); transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.why-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--gray-300); }
.why-card:hover::before { transform: scaleX(1); }
.why-icon {
  width: 52px; height: 52px; background: var(--orange-50);
  border-radius: var(--radius-md); display: flex; align-items: center;
  justify-content: center; color: var(--orange); font-size: 1.375rem;
  margin-bottom: 20px;
}
.why-card h4 { margin-bottom: 10px; color: var(--gray-900); }
.why-card p { font-size: .9375rem; color: var(--gray-500); line-height: 1.65; }

/* ─── MATERIALS ─── */
.materials { background: var(--white); }
.materials-intro { text-align: center; max-width: 740px; margin: 0 auto 64px; }
.materials-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.material-card {
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--gray-200); transition: all .35s var(--ease);
  cursor: pointer;
}
.material-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.material-card-img { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.material-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.material-card:hover .material-card-img img { transform: scale(1.08); }
.material-card-tag {
  position: absolute; top: 12px; left: 12px;
  background: var(--orange); color: white;
  padding: 4px 12px; border-radius: var(--radius-full);
  font-size: .75rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
}
.material-card-body { padding: 20px; }
.material-card-body h4 { margin-bottom: 6px; font-size: 1.0625rem; }
.material-card-body p { font-size: .875rem; color: var(--gray-500); line-height: 1.55; margin-bottom: 12px; }
.material-card-meta { font-size: .8125rem; color: var(--gray-400); font-weight: 500; }
.material-card-link { display: flex; align-items: center; gap: 6px; color: var(--orange); font-size: .875rem; font-weight: 600; margin-top: 14px; transition: gap .2s; }
.material-card:hover .material-card-link { gap: 10px; }

/* ─── SERVICES SPLIT CAROUSEL ─── */
.svc-carousel { position: relative; }
.svc-cards { position: relative; height: 420px; }
.svc-card {
  position: absolute; inset: 0;
  background: var(--white); border-radius: var(--radius-xl);
  overflow: hidden; border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none;
  transition: opacity .5s ease;
  display: flex; flex-direction: column;
}
.svc-card.active { opacity: 1; pointer-events: auto; }
.svc-card-img { position: relative; flex-shrink: 0; height: 200px; overflow: hidden; }
.svc-card-img img { width: 100%; height: 100%; object-fit: cover; }
.svc-card-tag {
  position: absolute; top: 12px; left: 12px;
  background: var(--orange); color: white;
  padding: 4px 12px; border-radius: var(--radius-full);
  font-size: .75rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
}
.svc-card-body { padding: 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.svc-card-title { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); margin: 0; }
.svc-card-text { color: var(--gray-600); font-size: .9rem; line-height: 1.65; margin: 0; }
.svc-card-meta { font-size: .8125rem; color: var(--orange); font-weight: 600; display: flex; align-items: center; gap: 6px; }
.svc-card-link { display: inline-flex; align-items: center; gap: 6px; color: var(--gray-900); font-size: .9rem; font-weight: 700; margin-top: auto; transition: gap .2s, color .2s; }
.svc-card-link:hover { color: var(--orange); gap: 10px; }
.svc-dots { display: none; }

/* ─── SERVICES GRID ─── */
.services-grid-section { background: var(--gray-50); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.service-card {
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--gray-200); transition: all .35s var(--ease); display: flex; flex-direction: column;
}
.service-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-6px); }
.service-card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.service-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.service-card:hover .service-card-img img { transform: scale(1.06); }
.service-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.service-card-title { font-size: 1.1875rem; font-weight: 700; margin-bottom: 10px; }
.service-card-desc { font-size: .9375rem; color: var(--gray-500); line-height: 1.65; margin-bottom: 20px; }
.service-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--gray-100); }
.service-card-link { display: flex; align-items: center; gap: 6px; color: var(--orange); font-size: .875rem; font-weight: 600; transition: gap .2s; }
.service-card:hover .service-card-link { gap: 10px; }

/* ─── PROJECTS PREVIEW ─── */
.projects-preview { background: var(--white); }
.projects-masonry { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: auto auto; gap: 16px; }
.project-item {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  cursor: pointer;
}
.project-item.span-2 { grid-column: span 2; }
.project-item img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; transition: transform .5s var(--ease); }
.project-item:hover img { transform: scale(1.06); }
.project-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.75) 0%, transparent 60%);
  opacity: 0; transition: opacity .35s var(--ease);
}
.project-item:hover .project-overlay { opacity: 1; }
.project-info {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 20px 24px;
  transform: translateY(10px); transition: transform .35s var(--ease);
}
.project-item:hover .project-info { transform: translateY(0); }
.project-info-tag { font-size: .75rem; font-weight: 700; color: var(--orange); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.project-info-name { font-size: 1.0625rem; font-weight: 700; color: white; }

/* ─── FAQ ─── */
.faq-section { background: var(--gray-50); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white); border-radius: var(--radius-md);
  border: 1px solid var(--gray-200); overflow: hidden; transition: border-color .2s;
}
.faq-item.open { border-color: var(--orange); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; cursor: pointer;
  font-size: 1.0625rem; font-weight: 600; color: var(--gray-900);
  gap: 16px;
}
.faq-icon {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--gray-100); color: var(--gray-500);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: .875rem;
  transition: all .3s var(--ease);
}
.faq-item.open .faq-icon { background: var(--orange); color: white; transform: rotate(45deg); }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: all .35s var(--ease); }
.faq-item.open .faq-answer { padding: 0 24px 20px; max-height: 300px; }
.faq-answer p { color: var(--gray-500); font-size: .9375rem; line-height: 1.7; }

/* ─── BLOG PREVIEW ─── */
.blog-preview { background: var(--white); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card {
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--gray-200); transition: all .3s var(--ease);
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.blog-card-img { aspect-ratio: 16/9; overflow: hidden; }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.blog-card:hover .blog-card-img img { transform: scale(1.06); }
.blog-card-body { padding: 24px; }
.blog-card-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.blog-cat { font-size: .75rem; font-weight: 700; color: var(--orange); text-transform: uppercase; letter-spacing: .06em; }
.blog-dot { width: 4px; height: 4px; background: var(--gray-300); border-radius: 50%; }
.blog-time { font-size: .75rem; color: var(--gray-400); font-weight: 500; }
.blog-card-title { font-size: 1.0625rem; font-weight: 700; color: var(--gray-900); line-height: 1.35; margin-bottom: 10px; transition: color .2s; }
.blog-card:hover .blog-card-title { color: var(--orange); }
.blog-card-desc { font-size: .9rem; color: var(--gray-500); line-height: 1.65; }
.blog-card-link { display: inline-flex; align-items: center; gap: 6px; color: var(--orange); font-size: .875rem; font-weight: 600; margin-top: 16px; transition: gap .2s; }
.blog-card:hover .blog-card-link { gap: 10px; }

/* ─── CTA BANNER ─── */
.cta-banner {
  background: #1a1a18; color: white;
  padding: 80px 0; text-align: center; position: relative; overflow: hidden;
  background-image: url('https://images.unsplash.com/photo-1600607687920-4e2a09cf159d?auto=format&fit=crop&w=1920&q=80');
  background-size: cover; background-position: center;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(20,18,15,0.72);
}
.cta-banner h2 { color: white; margin-bottom: 16px; position: relative; }
.cta-banner p { color: rgba(255,255,255,.80); max-width: 560px; margin: 0 auto 36px; font-size: 1.125rem; position: relative; }
.cta-banner .btn { position: relative; }
.btn-white { background: white; color: var(--orange); }
.btn-white:hover { background: var(--gray-100); box-shadow: 0 8px 24px rgba(0,0,0,.15); transform: translateY(-2px); }

/* ─── FOOTER ─── */
.footer { background: var(--gray-900); color: white; padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
.footer-top { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; margin-bottom: 48px; align-items: start; }
.footer-links-block { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.footer-brand-text { color: rgba(255,255,255,.5); font-size: .9375rem; line-height: 1.7; margin: 8px 0 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social-link {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.06); color: rgba(255,255,255,.6);
  display: flex; align-items: center; justify-content: center;
  font-size: .9375rem; transition: all .2s;
}
.footer-social-link:hover { background: var(--orange); color: white; }
.footer-col-title { font-size: .875rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: rgba(255,255,255,.9); margin-bottom: 20px; }
.footer-link {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,.5); font-size: .9375rem;
  padding: 5px 0; transition: color .2s;
}
.footer-link:hover { color: var(--orange); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; color: rgba(255,255,255,.5); font-size: .9375rem; }
.footer-contact-item i { color: var(--orange); margin-top: 2px; flex-shrink: 0; }
.footer-divider { height: 1px; background: rgba(255,255,255,.08); margin-bottom: 28px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-copy { font-size: .875rem; color: rgba(255,255,255,.35); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal-link { font-size: .875rem; color: rgba(255,255,255,.35); transition: color .2s; }
.footer-legal-link:hover { color: var(--orange); }

/* ─── WHATSAPP FLOAT ─── */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  width: 56px; height: 56px; background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.625rem;
  box-shadow: 0 6px 20px rgba(37,211,102,.4);
  transition: all .25s var(--ease);
  animation: pulse 2.5s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 28px rgba(37,211,102,.5); }
@keyframes pulse {
  0%,100% { box-shadow: 0 6px 20px rgba(37,211,102,.4); }
  50% { box-shadow: 0 6px 30px rgba(37,211,102,.7); }
}

/* ─── SERVICE PAGE ─── */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  background: linear-gradient(135deg, var(--gray-900) 0%, #2d2d30 100%);
  position: relative; overflow: hidden;
  color: white;
}
.page-hero-bg {
  position: absolute; inset: 0; opacity: .25;
  object-fit: cover; width: 100%; height: 100%;
}
.page-hero-content { position: relative; max-width: 760px; }
.page-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(232,99,10,.25); border: 1px solid rgba(232,99,10,.5);
  color: #FF9552; font-size: .8125rem; font-weight: 700;
  padding: 7px 16px; border-radius: var(--radius-full);
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: 20px;
}
.page-hero h1 { color: white; margin-bottom: 20px; }
.page-hero .lead { color: rgba(255,255,255,.70); }
.page-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 36px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; }
.breadcrumb a { color: rgba(255,255,255,.45); font-size: .875rem; transition: color .2s; }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb span { color: rgba(255,255,255,.25); font-size: .875rem; }
.breadcrumb-current { color: rgba(255,255,255,.7); font-size: .875rem; }

.service-page-section { background: var(--white); }
.service-page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.service-page-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius-xl); }

.pros-list { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.pro-item { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; background: var(--gray-50); border-radius: var(--radius-md); border: 1px solid var(--gray-200); }
.pro-item i { color: var(--orange); margin-top: 2px; flex-shrink: 0; font-size: 1rem; }
.pro-item span { font-size: .9375rem; color: var(--gray-700); font-weight: 500; }

.features-grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.feature-card-v { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-xl); padding: 32px 24px; text-align: center; box-shadow: var(--shadow-sm); }
.feature-card-v h3 { font-size: 1rem; font-weight: 700; margin: 16px 0 8px; color: var(--gray-900); }
.feature-card-v p { font-size: .875rem; color: var(--gray-600); line-height: 1.6; margin: 0; }
@media (max-width: 900px) { .features-grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 500px) { .features-grid-4 { grid-template-columns: 1fr; } }

.uses-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.use-item { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--white); border-radius: var(--radius-md); border: 1px solid var(--gray-200); font-size: .9rem; color: var(--gray-700); }
.use-item i { color: var(--orange); font-size: .875rem; }

.process-steps { display: flex; flex-direction: column; gap: 0; }
.process-step { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--gray-100); }
.process-step:last-child { border-bottom: none; }
.step-num { width: 40px; height: 40px; background: var(--orange); color: white; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: .9375rem; flex-shrink: 0; }
.step-body h4 { margin-bottom: 4px; }
.step-body p { font-size: .9375rem; color: var(--gray-500); line-height: 1.6; }

/* ─── CONTACT PAGE ─── */
.contact-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 60px; align-items: start; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: .875rem; font-weight: 600; color: var(--gray-700); margin-bottom: 8px; }
.form-label span { color: var(--orange); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 13px 16px;
  background: var(--gray-50); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md); font-size: .9375rem; color: var(--gray-900);
  transition: all .2s var(--ease); outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--orange); background: var(--white);
  box-shadow: 0 0 0 4px rgba(232,99,10,.08);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-info-card { background: var(--gray-900); color: white; border-radius: var(--radius-xl); padding: 32px; }
.contact-info-card h3 { color: white; margin-bottom: 8px; }
.contact-info-card p { color: rgba(255,255,255,.55); margin-bottom: 28px; font-size: .9375rem; }
.contact-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.06); align-items: flex-start; }
.contact-item:last-of-type { border-bottom: none; }
.contact-icon { width: 42px; height: 42px; background: rgba(232,99,10,.2); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--orange); flex-shrink: 0; }
.contact-item-label { font-size: .8125rem; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
.contact-item-value { font-size: .9375rem; color: rgba(255,255,255,.85); margin-top: 2px; }
.map-placeholder { width: 100%; height: 300px; border-radius: var(--radius-lg); overflow: hidden; margin-top: 20px; background: var(--gray-100); border: 1px solid var(--gray-200); position: relative; }
.map-placeholder iframe { width: 100%; height: 100%; border: none; }

/* ─── PROJECTS PAGE ─── */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-btn { padding: 9px 20px; border-radius: var(--radius-full); font-size: .875rem; font-weight: 600; border: 1.5px solid var(--gray-200); color: var(--gray-600); background: var(--white); transition: all .2s; cursor: pointer; }
.filter-btn:hover { border-color: var(--orange); color: var(--orange); }
.filter-btn.active { background: var(--orange); border-color: var(--orange); color: white; }
.projects-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.project-card { border-radius: var(--radius-lg); overflow: hidden; position: relative; cursor: pointer; }
.project-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .4s var(--ease); }
.project-card:hover img { transform: scale(1.06); }
.project-card-overlay { position: absolute; inset: 0; background: linear-gradient(0deg,rgba(0,0,0,.75) 0%,transparent 55%); }
.project-card-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 20px; }
.project-card-tag { font-size: .75rem; font-weight: 700; color: var(--orange); text-transform: uppercase; letter-spacing: .06em; }
.project-card-title { font-size: 1rem; font-weight: 700; color: white; margin-top: 4px; }
.project-card-meta { font-size: .8125rem; color: rgba(255,255,255,.55); margin-top: 4px; }

/* ─── QUIÉNES SOMOS ─── */
.team-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 48px; }
.team-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--gray-200); text-align: center; padding-bottom: 24px; transition: all .3s var(--ease); }
.team-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.team-card-img { aspect-ratio: 1/1; overflow: hidden; }
.team-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.team-card:hover .team-card-img img { transform: scale(1.06); }
.team-card-name { font-size: 1.125rem; font-weight: 700; margin: 16px 16px 4px; }
.team-card-role { font-size: .875rem; color: var(--orange); font-weight: 600; }
.values-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; margin-top: 48px; }
.value-card { text-align: center; padding: 28px 20px; background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--gray-200); transition: all .3s var(--ease); }
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.value-icon { width: 52px; height: 52px; background: var(--orange-50); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--orange); font-size: 1.375rem; margin: 0 auto 16px; }
.value-card h4 { font-size: 1rem; margin-bottom: 6px; }
.value-card p { font-size: .875rem; color: var(--gray-500); }

/* ─── BLOG PAGE ─── */
.blog-hero { background: var(--gray-50); padding: calc(var(--nav-h) + 60px) 0 60px; text-align: center; }
.blog-grid-full { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.blog-featured { grid-column: span 3; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; background: var(--white); border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--gray-200); margin-bottom: 8px; }
.blog-featured-img { aspect-ratio: 16/10; overflow: hidden; }
.blog-featured-img img { width: 100%; height: 100%; object-fit: cover; }
.blog-featured-body { padding: 40px; }
.blog-featured-body .blog-cat { font-size: .8125rem; display: inline-block; margin-bottom: 16px; }
.blog-featured-body h2 { font-size: 1.75rem; margin-bottom: 16px; line-height: 1.25; }
.blog-featured-body p { color: var(--gray-500); margin-bottom: 24px; }

/* ─── ANIMATIONS ─── */
.fade-up { opacity: 0; transform: translateY(24px); transition: all .65s var(--ease-out); }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-in { opacity: 0; transition: opacity .65s var(--ease-out); }
.fade-in.visible { opacity: 1; }
.fade-left { opacity: 0; transform: translateX(-24px); transition: all .65s var(--ease-out); }
.fade-left.visible { opacity: 1; transform: translateX(0); }
.fade-right { opacity: 0; transform: translateX(24px); transition: all .65s var(--ease-out); }
.fade-right.visible { opacity: 1; transform: translateX(0); }
.stagger-1 { transition-delay: .1s; }
.stagger-2 { transition-delay: .2s; }
.stagger-3 { transition-delay: .3s; }
.stagger-4 { transition-delay: .4s; }
.stagger-5 { transition-delay: .5s; }
.stagger-6 { transition-delay: .6s; }

/* ─── FORM SUCCESS ─── */
.form-success {
  text-align: center; padding: 40px 20px;
  display: none;
}
.form-success-icon { width: 64px; height: 64px; background: #ECFDF5; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #10B981; font-size: 1.75rem; margin: 0 auto 16px; }
.form-success h3 { margin-bottom: 8px; }
.form-success p { color: var(--gray-500); }

/* ─── MODAL ─── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 2000;
  display: flex; align-items: center; justify-content: center; padding: 24px;
  opacity: 0; pointer-events: none; transition: opacity .3s var(--ease);
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--white); border-radius: var(--radius-xl); width: 100%; max-width: 680px;
  max-height: 90vh; overflow-y: auto;
  transform: scale(.96) translateY(12px); transition: all .35s var(--ease);
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }
.modal-header { padding: 28px 32px 0; display: flex; align-items: flex-start; justify-content: space-between; }
.modal-header h3 { font-size: 1.5rem; }
.modal-close { width: 36px; height: 36px; background: var(--gray-100); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--gray-500); cursor: pointer; font-size: .875rem; flex-shrink: 0; transition: all .2s; }
.modal-close:hover { background: var(--gray-200); color: var(--gray-900); }
.modal-body { padding: 20px 32px 32px; }

/* ─── UTILITIES ─── */
.text-orange { color: var(--orange); }
.text-center { text-align: center; }
.mt-auto { margin-top: auto; }
.hidden { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.gap-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 36px; }
.divider { height: 1px; background: var(--gray-200); margin: 40px 0; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px) {
  .materials-grid { grid-template-columns: repeat(3,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .intro-split { gap: 48px; }
}
@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  /* Intro split: stack en móvil — título+dots arriba, card abajo */
  .intro-split { grid-template-columns: 1fr; gap: 32px; }
  .intro-cta-desktop { display: flex; }
  .why-dots { margin-top: 20px; }
  .why-cards { height: 260px; }
  .mortex-inner { grid-template-columns: 1fr; }
  .mortex-visual { display: none; }
  .why-grid { grid-template-columns: repeat(2,1fr); }
  .materials-grid { grid-template-columns: repeat(2,1fr); }
  .services-grid { grid-template-columns: repeat(2,1fr); }
  .projects-masonry { grid-template-columns: 1fr 1fr; }
  .project-item.span-2 { grid-column: span 1; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-page-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: repeat(2,1fr); }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .blog-featured { grid-column: span 3; grid-template-columns: 1fr; }
  .blog-featured-body { padding: 24px; }
  .blog-grid-full { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .why-grid { grid-template-columns: 1fr; }
  .materials-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-arrows { display: none; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-grid-full { grid-template-columns: 1fr; }
  .blog-featured { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-links-block { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .intro-stats { grid-template-columns: 1fr 1fr; }
  .projects-masonry { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; gap: 10px; }
  .hero-actions .btn { width: 100%; justify-content: center; padding-top: 13px !important; padding-bottom: 13px !important; }
  .page-hero-actions { flex-direction: row; gap: 10px; }
  .page-hero-actions .btn { flex: 1; justify-content: center; padding: 11px 14px !important; font-size: .875rem !important; }
}

/* ─── VALUES CAROUSEL ─── */
.values-carousel {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 8px 4px 16px;
  scrollbar-width: none;
  margin: 0 -4px;
}
.values-carousel::-webkit-scrollbar { display: none; }
.value-slide {
  flex: 0 0 240px;
  scroll-snap-align: start;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 28px 20px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.value-slide h4 { margin: 12px 0 8px; font-size: 1rem; }
.value-slide p { font-size: .875rem; color: var(--gray-600); line-height: 1.6; margin: 0; }