/* ==========================================================================
   DIGART STUDIO — HOME CSS
   Design System v1 — premium / corporativo / oscuro con acentos controlados
   ========================================================================== */

/* ---------- TOKENS ---------- */
:root{
  /* Base / superficies */
  --bg-primary:#0D1117;
  --bg-secondary:#151B23;
  --bg-elevated:#1B2430;
  --border-color:#263041;
  --light-surface:#F5F7FA;

  /* Texto */
  --text-on-dark:#F8FAFC;
  --text-on-dark-secondary:#B6C2CF;
  --text-on-dark-muted:#7C8A9A;
  --text-on-light:#111827;
  --text-on-light-secondary:#4B5563;

  /* Acentos */
  --accent:#2F80FF;
  --accent-hover:#1D6EF2;
  --accent-soft:rgba(47,128,255,.12);
  --energy:#F97316;
  --energy-hover:#EA580C;
  --energy-soft:rgba(249,115,22,.12);

  /* Verticales */
  --medical:#06B6D4;
  --medical-deep:#0E7490;
  --medical-soft:rgba(6,182,212,.12);
  --food:#F59E0B;
  --food-deep:#D97706;
  --food-soft:rgba(245,158,11,.12);
  --business:#22C55E;
  --business-deep:#15803D;
  --business-soft:rgba(34,197,94,.12);

  /* Tipografía */
  --font-display:'Manrope', sans-serif;
  --font-body:'Inter', sans-serif;

  /* Layout — dos contenedores */
  --container-wide:1580px;     /* header, hero, proyectos, CTA, footer */
  --container-default:1440px;  /* industrias, servicios, proceso, why  */
  --container-max:1580px;      /* fallback para .container genérico    */
  --radius-base:16px;
  --radius-lg:20px;
  --radius-btn:13px;

  /* Sombra premium sutil */
  --shadow-elevated:0 24px 60px -24px rgba(0,0,0,.55);
}

/* ---------- RESET ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--bg-primary);
  color:var(--text-on-dark);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;}
p{margin:0;}
button{font-family:inherit;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}
}

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

/* Contenedor base — hereda wide por defecto */
.container{
  max-width:var(--container-wide);
  margin:0 auto;
  padding:0 48px;
}

/* Contenedor amplio — header, hero, proyectos, CTA, footer */
.container--wide{
  max-width:var(--container-wide);
  margin:0 auto;
  padding:0 48px;
}

/* Contenedor editorial — industrias, servicios, proceso, why */
.container--default{
  max-width:var(--container-default);
  margin:0 auto;
  padding:0 48px;
}

/* ---------- TYPE HELPERS ---------- */
.eyebrow{
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  margin-bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:22px;
  height:2px;
  background:var(--accent);
  display:inline-block;
}
.eyebrow--on-dark{color:var(--accent);}
.eyebrow--on-light{color:var(--accent-hover);}

.section-title{
  font-size:clamp(28px, 3.2vw, 42px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
  max-width:780px;
}
.section-title--on-dark{color:var(--text-on-dark);}
.section-title--on-light{color:var(--text-on-light);}

.section-intro{
  font-size:18px;
  line-height:1.65;
  max-width:620px;
  margin-top:20px;
}
.section-intro--on-dark{color:var(--text-on-dark-secondary);}
.section-intro--on-light{color:var(--text-on-light-secondary);}

.section-head{margin-bottom:56px;}
.section-head--split{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:32px;
  flex-wrap:wrap;
}

/* Ritmo vertical escalonado por tipo de sección */
.section{padding:96px 0;}
.section--dark{background:var(--bg-primary);}
.section--light{background:var(--light-surface);}

/* Secciones oscuras consecutivas necesitan un separador visual */
.section--dark + .section--dark{
  border-top:1px solid var(--border-color);
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-btn);
  font-weight:700;
  font-size:15px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
  white-space:nowrap;
}
.btn--sm{padding:10px 20px;font-size:13px;}
.btn--lg{padding:16px 32px;font-size:16px;}
.btn--block{width:100%;}

.btn--primary{
  background:var(--accent);
  color:#fff;
}
.btn--primary:hover{background:var(--accent-hover);box-shadow:0 12px 28px -10px rgba(47,128,255,.55);}
.btn--primary:active{transform:scale(.98);}

.btn--secondary{
  background:transparent;
  border-color:var(--border-color);
  color:var(--text-on-dark);
}
.btn--secondary:hover{background:var(--bg-elevated);border-color:#3a4760;}

.btn--ghost{
  background:transparent;
  border-color:var(--border-color);
  color:var(--text-on-dark-secondary);
}

/* ===========================================================
   HEADER
   =========================================================== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(13,17,23,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-color);
}
.site-header__inner{
  max-width:var(--container-wide);
  margin:0 auto;
  padding:0 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:88px;
  gap:24px;
}
.brand{display:flex;align-items:center;flex-shrink:0;}
.brand__logo{height:38px;width:auto;}

.main-nav__list{
  display:flex;
  align-items:center;
  gap:36px;
}
.main-nav__link{
  font-size:14.5px;
  font-weight:600;
  color:var(--text-on-dark-secondary);
  position:relative;
  padding:6px 0;
  transition:color .2s ease;
}
.main-nav__link:hover,
.main-nav__link.is-active{color:var(--text-on-dark);}
.main-nav__link.is-active::after{
  content:'';
  position:absolute;
  left:0; right:0; bottom:-2px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}

.site-header__actions{display:flex;align-items:center;gap:16px;}

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:38px;height:38px;
  background:transparent;
  border:1px solid var(--border-color);
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle span{
  width:18px;height:2px;background:var(--text-on-dark);margin:0 auto;
  transition:transform .25s ease, opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-nav{
  display:none;
  flex-direction:column;
  gap:14px;
  padding:24px 32px 32px;
  background:var(--bg-secondary);
  border-bottom:1px solid var(--border-color);
}
.mobile-nav.is-open{display:flex;}
.mobile-nav__list{display:flex;flex-direction:column;gap:4px;margin-bottom:8px;}
.mobile-nav__list a{
  font-size:16px;font-weight:600;color:var(--text-on-dark-secondary);
  padding:10px 0;border-bottom:1px solid var(--border-color);
}

/* ===========================================================
   HERO
   =========================================================== */
.hero{
  position:relative;
  min-height:calc(100vh - 84px);   /* llena la pantalla menos el header */
  display:flex;
  align-items:center;
  padding:64px 0;
  overflow:hidden;
}
.hero__bg{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 14% 18%, rgba(47,128,255,.16), transparent 42%),
    radial-gradient(circle at 88% 6%, rgba(249,115,22,.08), transparent 38%),
    var(--bg-primary);
  z-index:0;
}
.hero__grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:0.85fr 1.3fr;   /* 40% copy / 60% mosaico */
  gap:52px;
  align-items:stretch;
  width:100%;
}

.hero__headline{
  font-size:clamp(28px, 2.6vw, 42px);    /* más fino, equilibrado con el mosaico amplio */
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.015em;
  color:var(--text-on-dark);
  margin-bottom:22px;
}

.hero__subheadline{
  font-size:17px;
  line-height:1.7;
  color:var(--text-on-dark-secondary);
  max-width:480px;
  margin-bottom:36px;
}

.hero__ctas{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:44px;
}

.hero__diffs{
  display:flex;
  flex-direction:column;
  gap:13px;
}
.hero__diffs li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--text-on-dark-secondary);
}
.hero__diffs svg{flex-shrink:0;}

/* ====================================================
   MOSAICO HERO — 6 tiles, grid interno 3×3
   ====================================================
   Grid interno:
     col 1-2 / row 1-2  → imagen comercial (main)
     col 3   / row 1    → anuncios
     col 3   / row 2    → uniformes
     col 3   / row 3    → promocionales
     col 1   / row 3    → offset
     col 2   / row 3    → vehicular
   ==================================================== */
.hero__mosaic{
  display:grid;
  grid-template-columns:1fr 1fr .85fr;  /* col izq gruesa, col der más estrecha */
  grid-template-rows:1fr 1fr 1fr;
  gap:10px;
  height:100%;
  min-height:520px;
}

/* Base compartida para todos los tiles */
.mosaic__tile{
  position:relative;
  border-radius:var(--radius-base);
  border:1px solid var(--border-color);
  background-color:var(--bg-elevated);
  background-size:cover;
  background-position:center;
  overflow:hidden;
  display:flex;
  align-items:flex-end;
  padding:14px 16px;
  transition:transform .3s ease, border-color .3s ease;
}
.mosaic__tile:hover{border-color:#33415a;}

/* Tile principal — cols 1-2, rows 1-2 */
.mosaic__main{
  grid-column:1 / 3;
  grid-row:1 / 3;
  padding:22px 24px;
}
.mosaic__main:hover{transform:scale(1.015);}
.mosaic__main .hero-tile__label{font-size:17px;font-weight:800;}

/* Columna derecha apilada — col 3 */
.mosaic__side-a{ grid-column:3; grid-row:1; }
.mosaic__side-b{ grid-column:3; grid-row:2; }
.mosaic__side-c{ grid-column:3; grid-row:3; }
.mosaic__side-a:hover,
.mosaic__side-b:hover,
.mosaic__side-c:hover{ transform:translateX(-2px); }

/* Fila inferior — cols 1 y 2, row 3 */
.mosaic__bot-left { grid-column:1; grid-row:3; }
.mosaic__bot-right{ grid-column:2; grid-row:3; }
.mosaic__bot-left:hover,
.mosaic__bot-right:hover{ transform:translateY(-2px); }

/* Label pequeño para tiles laterales e inferiores */
.mosaic__side-a .hero-tile__label,
.mosaic__side-b .hero-tile__label,
.mosaic__side-c .hero-tile__label,
.mosaic__bot-left .hero-tile__label,
.mosaic__bot-right .hero-tile__label{ font-size:12.5px; }

/* Overlay y label compartidos */
.hero-tile__overlay{
  position:absolute;inset:0;
  background:linear-gradient(0deg, rgba(0,0,0,.68) 0%, rgba(0,0,0,.06) 52%, rgba(0,0,0,0) 100%);
}
.hero-tile__label{
  position:relative;
  font-weight:700;
  color:var(--text-on-dark);
  line-height:1.3;
  letter-spacing:.01em;
  text-shadow:0 1px 10px rgba(0,0,0,.6);
}

/* ===========================================================
   INDUSTRIAS
   =========================================================== */
.industries-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.industry-card{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-color);
  background:var(--bg-secondary);
  overflow:hidden;
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.industry-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-elevated);
}
.industry-card__media{
  height:240px;
  position:relative;
  background:linear-gradient(155deg, var(--bg-elevated), var(--bg-primary));
}
.industry-card__media-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, transparent 40%, rgba(13,17,23,.88) 100%);
}
.industry-card__body{padding:32px;display:flex;flex-direction:column;gap:16px;flex:1;}
.industry-card__tag{
  font-family:var(--font-display);
  font-size:20px;
  font-weight:800;
  color:var(--text-on-dark);
}
.industry-card__desc{
  font-size:14.5px;
  color:var(--text-on-dark-secondary);
  line-height:1.65;
}
.industry-card__list{
  display:flex;flex-direction:column;gap:8px;
  margin:6px 0 8px;
  padding-top:14px;
  border-top:1px solid var(--border-color);
}
.industry-card__list li{
  font-size:13.5px;
  color:var(--text-on-dark-secondary);
  padding-left:16px;
  position:relative;
}
.industry-card__list li::before{
  content:'';
  position:absolute;left:0;top:8px;
  width:6px;height:6px;border-radius:50%;
}
.industry-card__cta{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;
  padding-top:6px;
}

.industry-card--medical .industry-card__tag{color:var(--medical);}
.industry-card--medical .industry-card__list li::before{background:var(--medical);}
.industry-card--medical .industry-card__cta{color:var(--medical);}
.industry-card--medical .industry-card__media{background:radial-gradient(circle at 80% 20%, var(--medical-soft), transparent 60%), linear-gradient(155deg, var(--bg-elevated), var(--bg-primary));}
.industry-card--medical:hover{border-color:var(--medical-deep);}

.industry-card--food .industry-card__tag{color:var(--food);}
.industry-card--food .industry-card__list li::before{background:var(--food);}
.industry-card--food .industry-card__cta{color:var(--food);}
.industry-card--food .industry-card__media{background:radial-gradient(circle at 80% 20%, var(--food-soft), transparent 60%), linear-gradient(155deg, var(--bg-elevated), var(--bg-primary));}
.industry-card--food:hover{border-color:var(--food-deep);}

.industry-card--business .industry-card__tag{color:var(--business);}
.industry-card--business .industry-card__list li::before{background:var(--business);}
.industry-card--business .industry-card__cta{color:var(--business);}
.industry-card--business .industry-card__media{background:radial-gradient(circle at 80% 20%, var(--business-soft), transparent 60%), linear-gradient(155deg, var(--bg-elevated), var(--bg-primary));}
.industry-card--business:hover{border-color:var(--business-deep);}

/* ===========================================================
   SERVICIOS
   =========================================================== */
.services-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:18px;
}
.service-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--radius-base);
  border:1px solid #E4E7EC;
  background:#fff;
  overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.service-card:hover{
  transform:translateY(-5px);
  box-shadow:0 24px 48px -28px rgba(17,24,39,.22);
  border-color:#D0D5DD;
}
.service-card__media{
  height:148px;
  background:linear-gradient(155deg, #EEF1F5, #E4E8EE);
  position:relative;
}
.service-card__media::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(120deg, rgba(47,128,255,.10), transparent 60%);
}
.service-card__body{padding:28px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.service-card__n{
  font-family:var(--font-display);
  font-size:13px;
  font-weight:800;
  color:var(--accent);
  letter-spacing:.04em;
}
.service-card__name{
  font-size:17.5px;
  font-weight:700;
  color:var(--text-on-light);
  line-height:1.3;
}
.service-card__desc{
  font-size:13.5px;
  color:var(--text-on-light-secondary);
  line-height:1.6;
  flex:1;
}
.service-card__cta{
  margin-top:6px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;
  color:var(--accent-hover);
}

/* ===========================================================
   PROYECTOS DESTACADOS — mosaico editorial
   =========================================================== */
.projects-mosaic{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  grid-auto-rows:260px;
  gap:14px;
}
.project-tile{
  position:relative;
  border-radius:var(--radius-base);
  overflow:hidden;
  background:linear-gradient(155deg, var(--bg-elevated), var(--bg-secondary));
  border:1px solid var(--border-color);
  display:flex;
  align-items:flex-end;
  transition:transform .35s ease;
}
.project-tile:hover{transform:translateY(-4px);}
.project-tile.span-2{grid-column:span 2;}
.project-tile.span-1{grid-column:span 2;}
@media(min-width:1100px){
  .project-tile.span-1{grid-column:span 1;}
  .projects-mosaic{grid-template-columns:repeat(4,1fr);}
}
.project-tile__overlay{
  position:absolute;inset:0;
  background:linear-gradient(0deg, rgba(0,0,0,.75) 0%, rgba(0,0,0,.04) 58%);
}
.project-tile__body{position:relative;padding:28px;}
.project-tile__cat{
  display:block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.05em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:8px;
}
.project-tile__name{
  font-size:18px;
  font-weight:700;
  color:var(--text-on-dark);
  line-height:1.35;
  max-width:340px;
}

.proj--medical .project-tile__overlay{background:radial-gradient(circle at 75% 20%, var(--medical-soft), transparent 55%), linear-gradient(0deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.10) 65%);}
.proj--medical{background:transparent;}
.proj--food{background:radial-gradient(circle at 75% 20%, var(--food-soft), transparent 55%), linear-gradient(155deg, var(--bg-elevated), var(--bg-secondary));}
.proj--business{background:radial-gradient(circle at 75% 20%, var(--business-soft), transparent 55%), linear-gradient(155deg, var(--bg-elevated), var(--bg-secondary));}
.proj--uniformes,
.proj--promo,
.proj--rotulacion{background:radial-gradient(circle at 75% 20%, var(--accent-soft), transparent 55%), linear-gradient(155deg, var(--bg-elevated), var(--bg-secondary));}

/* ===========================================================
   CÓMO TRABAJAMOS — proceso 5 pasos con iconos SVG
   =========================================================== */
.process-row{
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:24px;
  align-items:start;
}
.process-step{
  display:flex;
  flex-direction:column;
  gap:0;
  padding:28px 24px;
  background:var(--light-surface);
  border:1px solid #E4E7EC;
  border-radius:var(--radius-base);
  transition:box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.process-step:hover{
  transform:translateY(-4px);
  box-shadow:0 20px 48px -24px rgba(17,24,39,.18);
  border-color:#D0D5DD;
}
.process-step__icon-wrap{
  width:72px;height:72px;  /* V5-G3: 64→72px, icono protagonista del encabezado */
  background:var(--accent-soft);
  border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
  flex-shrink:0;
}
.process-step__icon{width:52px;height:52px;object-fit:contain;} /* V5-G3: 44→52px */
.process-step__n{
  display:inline-block;
  font-family:var(--font-display);
  font-size:11px;
  font-weight:800;
  color:var(--accent-hover);
  background:var(--accent-soft);
  padding:3px 10px;
  border-radius:6px;
  margin-bottom:14px;
  letter-spacing:.04em;
  width:fit-content;
}
.process-step__title{
  font-size:16px;
  font-weight:700;
  color:var(--text-on-light);
  line-height:1.35;
  margin-bottom:10px;
}
.process-step__desc{
  font-size:13px;
  color:var(--text-on-light-secondary);
  line-height:1.65;
}

/* ===========================================================
   POR QUÉ DIGART
   =========================================================== */
.section--why{
  background:
    radial-gradient(circle at 85% 10%, rgba(47,128,255,.10), transparent 45%),
    var(--bg-primary);
}
.why-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:64px;
}
.why-head{align-self:start;position:sticky;top:120px;}
.why-list{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:1px;
  background:var(--border-color);
  border:1px solid var(--border-color);
  border-radius:var(--radius-base);
  overflow:hidden;
}
.why-item{
  background:var(--bg-secondary);
  padding:32px;
}
.why-item__title{
  font-size:17.5px;
  font-weight:700;
  color:var(--text-on-dark);
  line-height:1.35;
  margin-bottom:12px;
}
.why-item__desc{
  font-size:14px;
  color:var(--text-on-dark-secondary);
  line-height:1.65;
}

/* ===========================================================
   CTA FINAL
   =========================================================== */
.cta-final{
  position:relative;
  padding:110px 0;
  background:var(--bg-secondary);
  border-top:1px solid var(--border-color);
  overflow:hidden;
}
.cta-final__glow{
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 50% 0%, rgba(47,128,255,.18), transparent 55%);
}
.cta-final__inner{
  position:relative;
  text-align:center;
  max-width:680px;
}
.cta-final__title{
  font-size:clamp(28px, 3.4vw, 40px);
  font-weight:800;
  color:var(--text-on-dark);
  line-height:1.2;
  margin-bottom:20px;
}
.cta-final__text{
  font-size:16.5px;
  color:var(--text-on-dark-secondary);
  line-height:1.65;
  margin-bottom:40px;
}
.cta-final__actions{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}

/* ===========================================================
   FOOTER
   =========================================================== */
.site-footer{
  background:var(--bg-primary);
  border-top:1px solid var(--border-color);
  padding:80px 0 0;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-logo{height:30px;margin-bottom:20px;}
.footer-slogan{
  font-family:var(--font-display);
  font-size:15px;
  font-weight:700;
  color:var(--accent);
  margin-bottom:14px;
}
.footer-institutional{
  font-size:13.5px;
  color:var(--text-on-dark-muted);
  line-height:1.65;
  max-width:300px;
  margin-bottom:24px;
}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:36px;height:36px;
  border:1px solid var(--border-color);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-on-dark-secondary);
  transition:border-color .2s ease, color .2s ease;
}
.footer-social a:hover{border-color:var(--accent);color:var(--accent);}

.footer-col__title{
  font-size:13px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.05em;
  color:var(--text-on-dark);
  margin-bottom:20px;
}
.footer-col__list{display:flex;flex-direction:column;gap:12px;}
.footer-col__list a{
  font-size:14px;
  color:var(--text-on-dark-muted);
  transition:color .2s ease;
}
.footer-col__list a:hover{color:var(--text-on-dark);}
.footer-col__list--contact li{font-size:14px;color:var(--text-on-dark-muted);}
.footer-address{line-height:1.6;}

.footer-subbar{border-top:1px solid var(--border-color);padding:22px 0;}
.footer-subbar__inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}
.footer-subbar__inner p{font-size:12.5px;color:var(--text-on-dark-muted);}
.footer-subbar__inner a{font-size:12.5px;color:var(--text-on-dark-muted);}
.footer-subbar__inner a:hover{color:var(--text-on-dark);}

/* ---------- WHATSAPP FLOTANTE ---------- */
.wa-float{
  position:fixed;
  bottom:28px;right:28px;
  width:56px;height:56px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-secondary);
  box-shadow:0 14px 32px -10px rgba(0,0,0,.5);
  z-index:90;
  transition:transform .2s ease;
}
.wa-float:hover{transform:scale(1.08);}

/* ===========================================================
   SCROLL REVEAL (JS toggles .is-visible)
   =========================================================== */
[data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s ease, transform .7s ease;
}
[data-reveal].is-visible{opacity:1;transform:translateY(0);}
[data-reveal-delay="1"]{transition-delay:.05s;}
[data-reveal-delay="2"]{transition-delay:.12s;}
[data-reveal-delay="3"]{transition-delay:.19s;}
[data-reveal-delay="4"]{transition-delay:.26s;}

/* ===========================================================
   RESPONSIVE
   =========================================================== */

/* Desktop medio — padding baja a 36px */
@media (max-width: 1440px){
  .container,
  .container--wide,
  .container--default,
  .site-header__inner{ padding-left:36px; padding-right:36px; }
}

/* Laptop — padding baja a 28px */
@media (max-width: 1280px){
  .container,
  .container--wide,
  .container--default,
  .site-header__inner{ padding-left:28px; padding-right:28px; }
}

@media (max-width: 1180px){
  .why-grid{grid-template-columns:1fr;}
  .why-head{position:static;}
  .why-list{grid-template-columns:1fr;}
  .process-row{grid-template-columns:repeat(3, 1fr);gap:32px 20px;}
}

@media (max-width: 1024px){
  .container,
  .container--wide,
  .container--default,
  .site-header__inner{ padding-left:24px; padding-right:24px; }
  .section{padding:88px 0;}

  .hero__grid{grid-template-columns:1fr;gap:40px;}
  .hero__mosaic{
    grid-template-columns:1fr 1fr .85fr;
    grid-template-rows:160px 160px 130px;
    height:auto;
    min-height:unset;
  }

  .industries-grid{grid-template-columns:1fr;}
  .services-grid{grid-template-columns:repeat(2, 1fr);}
  .projects-mosaic{grid-template-columns:repeat(2, 1fr);}
  .project-tile.span-2{grid-column:span 2;}
  .project-tile.span-1{grid-column:span 1;}

  .footer__grid{grid-template-columns:1fr 1fr;gap:40px 24px;}
}

@media (max-width: 860px){
  .main-nav{display:none;}
  .site-header__actions .btn--primary{display:none;}
  .nav-toggle{display:flex;}
  .process-row{grid-template-columns:1fr 1fr;}
}

@media (max-width: 640px){
  .container,
  .container--wide,
  .container--default,
  .site-header__inner{ padding-left:20px; padding-right:20px; }
  .section{padding:64px 0;}
  .section-head{margin-bottom:44px;}

  .hero{padding:48px 0;}
  .hero__headline{font-size:28px;}
  .hero__ctas .btn{flex:1;}
  /* En móvil: 2 columnas, tile main ocupa toda la fila 1, resto 2×2+2 */
  .hero__mosaic{
    grid-template-columns:1fr 1fr;
    grid-template-rows:200px 120px 120px 120px;
    height:auto;
    min-height:unset;
  }
  .mosaic__main   { grid-column:1 / 3; grid-row:1; }
  .mosaic__side-a { grid-column:1;     grid-row:2; }
  .mosaic__side-b { grid-column:2;     grid-row:2; }
  .mosaic__side-c { grid-column:1;     grid-row:3; }
  .mosaic__bot-left { grid-column:2;   grid-row:3; }
  .mosaic__bot-right{ grid-column:1 / 3; grid-row:4; }

  .services-grid{grid-template-columns:1fr;}
  .projects-mosaic{grid-template-columns:1fr;grid-auto-rows:200px;}
  .project-tile.span-2,
  .project-tile.span-1{grid-column:span 1;}

  .process-row{grid-template-columns:1fr;gap:36px;}

  .footer__grid{grid-template-columns:1fr;gap:36px;padding-bottom:40px;}
  .footer-institutional{max-width:none;}

  .footer-subbar__inner{flex-direction:column;align-items:flex-start;}

  .cta-final{padding:72px 0;}
  .cta-final__actions{flex-direction:column;}
  .cta-final__actions .btn{width:100%;}

  .wa-float{width:50px;height:50px;bottom:20px;right:20px;}
}