/* 
  Sitio: Servicio Técnico de Línea Blanca (León, Gto)
  Estructura requerida: css/style.css y js/main.js
*/

:root{
  --bg: #ffffff;
  --text: #0b1220;
  --muted: rgba(11,18,32,.72);
  --line: rgba(11,18,32,.12);
  --card: rgba(255,255,255,.92);
  --shadow: 0 18px 50px rgba(11,18,32,.12);
  --shadow2: 0 10px 24px rgba(11,18,32,.10);
  --radius: 18px;
  --radius2: 14px;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

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

.container{
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: 10px;
  padding: 10px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  z-index: 9999;
}
.skip-link:focus{ left: 12px; }

.header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}
.brand__mark{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: .02em;
  background: linear-gradient(135deg, rgba(11,18,32,.08), rgba(11,18,32,.02));
}
.brand__name{
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .02em;
}
.brand__tag{
  font-size: 12px;
  color: var(--muted);
}

.header__actions{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.chip{
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.7);
}
.chip:hover{ transform: translateY(-1px); }

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  background: #fff;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(11,18,32,.06);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(11,18,32,.10);
}
.btn__icon{ font-size: 16px; }

.btn--primary{
  background: linear-gradient(135deg, rgba(0, 0, 0, .92), rgba(11,18,32,.82));
  color: #fff;
  border-color: rgba(255,255,255,.18);
}

.btn--ghost{
  background: rgba(255,255,255,.6);
}

.btn--lg{
  padding: 14px 18px;
  font-size: 14px;
}

.btn--full{ width: 100%; border-radius: 16px; }

.hero{
  position: relative;
  overflow: clip;
  padding: 40px 0 36px;
  border-bottom: 1px solid var(--line);
}

.hero__bg{
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
  transform: scale(1.04);
}
.hero__overlay{
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 70% at 20% 20%, rgba(255,255,255,.92), rgba(255,255,255,.72), rgba(255,255,255,.90));
}
.hero__grid{
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(11,18,32,.06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(11,18,32,.06) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: .35;
  mask-image: radial-gradient(70% 70% at 50% 50%, #000 40%, transparent 70%);
}

.hero__content{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 18px;
  align-items: start;
}

.hero__card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
}

.eyebrow{
  margin: 0 0 10px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .03em;
  font-size: 12px;
  text-transform: uppercase;
}

.hero h1{
  margin: 0 0 12px;
  font-size: clamp(28px, 3.8vw, 44px);
  line-height: 1.05;
  letter-spacing: .01em;
}

.hero__subtitle{
  margin: 0 0 18px;
  color: rgba(11,18,32,.80);
  font-size: 15px;
}

.hero__cta{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.quick{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.quick__item{
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  background: rgba(255,255,255,.7);
  display: flex;
  gap: 10px;
  align-items: center;
}
.quick__icon{
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: rgba(11,18,32,.06);
  display: grid;
  place-items: center;
  font-size: 18px;
}
.quick__label{ font-size: 12px; color: var(--muted); font-weight: 700; }
.quick__value{ font-size: 13px; font-weight: 800; }

.hero__aside{
  display: grid;
  gap: 12px;
}

.aside-card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.88);
  box-shadow: var(--shadow2);
  padding: 18px 16px;
}
.aside-card__title{
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .02em;
}
.aside-card__big{
  margin: 0;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: .02em;
}
.aside-card__meta{
  margin: 8px 0 14px;
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
}

.aside-card--mini{
  padding: 14px 16px;
}
.mini-row{
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(11,18,32,.84);
  font-size: 13px;
}
.mini-dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(11,18,32,.78);
  margin-top: 6px;
  flex: 0 0 auto;
}

.section{
  padding: 54px 0;
}
.section--alt{
  background: linear-gradient(180deg, rgba(11,18,32,.03), rgba(11,18,32,.01));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section__head{
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}
.section__head h2{
  margin: 0;
  font-size: 26px;
  letter-spacing: .01em;
}
.section__head p{
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

.cards{
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 10px 22px rgba(11,18,32,.06);
  transition: transform .15s ease, box-shadow .15s ease;
  min-height: 112px;
  display: grid;
  align-content: center;
  gap: 10px;
}
.card:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(11,18,32,.10);
}
.card__icon{
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: rgba(11,18,32,.06);
  display: grid;
  place-items: center;
  font-size: 22px;
}
.card__title{
  margin: 0;
  font-size: 15px;
  font-weight: 900;
}

.contact{
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 16px;
  align-items: start;
}
.contact__lead{
  margin: 0 0 14px;
  color: var(--muted);
  font-weight: 700;
}
.contact__box{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.9);
  padding: 16px;
  display: grid;
  gap: 10px;
  box-shadow: 0 10px 22px rgba(11,18,32,.06);
}
.contact__line{
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 12px;
  border: 1px solid rgba(11,18,32,.08);
  border-radius: 14px;
  background: rgba(255,255,255,.7);
}
.contact__label{ color: var(--muted); font-weight: 800; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.contact__value{ font-weight: 900; }
.contact__cta{ margin-top: 14px; }

.glass{
  border: 1px solid rgba(11,18,32,.12);
  border-radius: var(--radius);
  background: rgba(255,255,255,.70);
  padding: 18px 16px;
  box-shadow: var(--shadow2);
}
.glass h3{ margin: 0 0 10px; font-size: 14px; font-weight: 900; letter-spacing: .02em; }
.glass__big{ margin: 0 0 12px; font-weight: 900; font-size: 22px; }
.glass__row{ display: flex; flex-wrap: wrap; gap: 8px; }
.pill{
  border: 1px solid rgba(11,18,32,.12);
  border-radius: 999px;
  padding: 8px 10px;
  font-weight: 800;
  font-size: 12px;
  background: rgba(255,255,255,.8);
}

.wa-fab{
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  text-decoration: none;
  background: linear-gradient(135deg, rgba(0,0,0,.92), rgba(11,18,32,.82));
  color: #fff;
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 18px 40px rgba(11,18,32,.22);
  z-index: 80;
}
.wa-fab span{ font-size: 20px; }

.footer{
  padding: 22px 0;
  background: #fff;
}
.footer__inner{
  border-top: 1px solid var(--line);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.footer__title{ font-weight: 900; letter-spacing: .01em; }
.footer__meta{ color: var(--muted); font-weight: 600; font-size: 13px; }
.to-top{
  text-decoration: none;
  font-weight: 800;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 12px;
  background: rgba(255,255,255,.7);
}
.to-top:hover{ transform: translateY(-1px); }

@media (max-width: 980px){
  .hero__content{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: repeat(2, 1fr); }
  .contact{ grid-template-columns: 1fr; }
  .quick{ grid-template-columns: 1fr; }
}

@media (max-width: 520px){
  .header__actions{ gap: 8px; }
  .chip{ display:none; }
  .brand{ min-width: 0; }
  .cards{ grid-template-columns: 1fr; }
  .btn--full{ border-radius: 14px; }
}