/* =========================================================
   Sitio: Herrería (One Page)
   Requisitos: fondo blanco, diseño creativo y profesional
   Archivos: css/style.css
   ========================================================= */

:root{
  --bg: #ffffff;
  --ink: #0c0f14;
  --muted: rgba(12,15,20,.68);
  --soft: rgba(12,15,20,.08);
  --soft2: rgba(12,15,20,.05);
  --line: rgba(12,15,20,.12);
  --card: rgba(255,255,255,.82);
  --shadow: 0 14px 40px rgba(12,15,20,.10);
  --shadow2: 0 10px 28px rgba(12,15,20,.08);
  --radius: 18px;
  --radius2: 28px;
  --max: 1160px;
  --primary: #0c0f14; /* neutro oscuro tipo metal */
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  overflow-x: hidden;
}

a{color:inherit; text-decoration:none}
.container{width:min(var(--max), calc(100% - 40px)); margin-inline:auto}

.progress{
  position: fixed; top:0; left:0; right:0;
  height: 3px;
  z-index: 80;
  background: transparent;
}
.progress__bar{
  display:block;
  height:100%;
  width: 0%;
  background: linear-gradient(90deg, rgba(12,15,20,.0), rgba(12,15,20,.9), rgba(12,15,20,.0));
  transform-origin: left center;
}

/* Header */
.header{
  position: sticky;
  top:0;
  z-index: 70;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(12,15,20,.08);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding: 14px 0;
}

.brand{
  display:flex;
  gap: 12px;
  align-items:center;
  min-width: 220px;
}
.brand__mark{
  width: 42px; height:42px;
  display:grid; place-items:center;
  border-radius: 14px;
  border: 1px solid rgba(12,15,20,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(12,15,20,.02));
  box-shadow: 0 10px 22px rgba(12,15,20,.06);
  color: var(--ink);
}
.brand__text{display:flex; flex-direction:column; line-height:1.15}
.brand__name{font-weight: 800; letter-spacing: .2px}
.brand__tag{font-size: 12px; color: var(--muted)}

.nav{display:flex; align-items:center; gap:12px}
.nav__toggle{
  display:none;
  width:44px;height:44px;
  border-radius: 14px;
  border:1px solid rgba(12,15,20,.12);
  background: rgba(255,255,255,.9);
  box-shadow: 0 10px 20px rgba(12,15,20,.06);
  cursor:pointer;
}
.nav__toggle span{
  display:block;
  width:18px;height:2px;
  background: var(--ink);
  margin: 5px auto;
  border-radius: 2px;
}
.nav__list{
  display:flex;
  gap: 6px;
  list-style:none;
  margin:0;
  padding: 0;
  align-items:center;
}
.nav__link{
  display:inline-flex;
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.nav__link:hover{
  background: rgba(12,15,20,.06);
  color: var(--ink);
  transform: translateY(-1px);
}

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

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(12,15,20,.12);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .2px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  will-change: transform;
}
.btn--primary{
  background: var(--primary);
  color: #fff;
  border-color: rgba(12,15,20,.2);
  box-shadow: 0 10px 22px rgba(12,15,20,.14);
}
.btn--primary:hover{transform: translateY(-1px); box-shadow: 0 16px 34px rgba(12,15,20,.18)}
.btn--ghost{
  background: rgba(255,255,255,.9);
  color: var(--ink);
  box-shadow: 0 10px 22px rgba(12,15,20,.06);
}
.btn--ghost:hover{transform: translateY(-1px)}
.btn--lg{padding: 13px 18px; font-size: 14px}
.btn__icon{display:inline-flex}

/* Hero */
.hero{
  position: relative;
  padding: 52px 0 28px;
}
.hero::before{
  content:"";
  position:absolute;
  inset: -120px -140px auto -140px;
  height: 360px;
  background:
    radial-gradient(closest-side at 20% 30%, rgba(12,15,20,.10), rgba(12,15,20,0)),
    radial-gradient(closest-side at 80% 10%, rgba(12,15,20,.08), rgba(12,15,20,0)),
    radial-gradient(closest-side at 60% 90%, rgba(12,15,20,.06), rgba(12,15,20,0));
  pointer-events:none;
  filter: blur(2px);
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 34px;
  align-items: center;
}
.kicker{
  margin: 0 0 10px;
  font-weight: 900;
  letter-spacing: .26em;
  text-transform: uppercase;
  font-size: 12px;
  color: rgba(12,15,20,.64);
}
.hero__title{
  margin: 0 0 12px;
  font-size: clamp(30px, 3.3vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.shine{
  position: relative;
  background: linear-gradient(90deg, rgba(12,15,20,.25), rgba(12,15,20,1), rgba(12,15,20,.25));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  max-width: 56ch;
}
.hero__actions{display:flex; gap: 12px; flex-wrap: wrap; margin: 18px 0 18px}

.hero__meta{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.metaCard{
  flex: 1;
  min-width: 220px;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(12,15,20,.12);
  background: rgba(255,255,255,.88);
  box-shadow: var(--shadow2);
}
.metaCard__label{display:block; font-size: 12px; color: var(--muted); font-weight: 800}
.metaCard__value{display:inline-block; margin-top: 4px; font-weight: 900}

/* Right visual */
.hero__visual{position: relative}
.halo{
  position:absolute;
  inset: -40px -30px -30px -30px;
  background:
    radial-gradient(closest-side at 50% 30%, rgba(12,15,20,.10), rgba(12,15,20,0)),
    radial-gradient(closest-side at 30% 80%, rgba(12,15,20,.06), rgba(12,15,20,0));
  filter: blur(10px);
  z-index: 0;
  pointer-events:none;
}
.metalCard{
  position: relative;
  z-index: 1;
  border-radius: var(--radius2);
  border: 1px solid rgba(12,15,20,.14);
  background:
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(12,15,20,.02)),
    radial-gradient(closest-side at 25% 20%, rgba(12,15,20,.08), rgba(12,15,20,0));
  box-shadow: var(--shadow);
  padding: 16px;
  overflow: hidden;
}
.metalCard::after{
  content:"";
  position:absolute;
  inset:-120px -220px auto auto;
  width: 340px; height: 340px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 70%);
  transform: rotate(16deg);
  opacity: .55;
  pointer-events:none;
}
.metalCard__top{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.metalBadge{
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(12,15,20,.06);
  border: 1px solid rgba(12,15,20,.12);
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
}
.metalDots{display:flex; gap: 6px}
.metalDots span{
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(12,15,20,.14);
}
.metalCard__grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.tile{
  display:flex;
  gap: 10px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(12,15,20,.12);
  background: rgba(255,255,255,.86);
}
.tile__icon{
  width: 40px; height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(12,15,20,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(12,15,20,.03));
  display:grid; place-items:center;
  color: var(--ink);
  flex: 0 0 auto;
}
.tile__title{font-weight: 900}
.tile__sub{font-size: 12px; color: var(--muted); font-weight: 700}
.metalCard__footer{
  display:flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.chip{
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(12,15,20,.12);
  background: rgba(255,255,255,.86);
  font-weight: 800;
  font-size: 12px;
}
.chip--soft{background: rgba(12,15,20,.06)}

/* Sections */
.section{
  padding: 56px 0;
}
.section--alt{
  background: linear-gradient(180deg, rgba(12,15,20,.03), rgba(12,15,20,.00));
  border-top: 1px solid rgba(12,15,20,.06);
  border-bottom: 1px solid rgba(12,15,20,.06);
}
.section--cta{
  background: radial-gradient(closest-side at 20% 10%, rgba(12,15,20,.06), rgba(12,15,20,0));
}
.section__head{
  display:flex;
  align-items:flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.section__title{
  margin: 0;
  font-size: clamp(22px, 2.2vw, 30px);
  letter-spacing: -0.02em;
}
.section__lead{
  margin: 0;
  color: var(--muted);
  max-width: 66ch;
  font-weight: 650;
}

/* Cards grid */
.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}
.card{
  padding: 16px;
  border-radius: var(--radius2);
  border: 1px solid rgba(12,15,20,.12);
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow2);
  display:flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover{transform: translateY(-2px); box-shadow: 0 18px 40px rgba(12,15,20,.10)}
.card__icon{
  width: 44px; height: 44px;
  border-radius: 16px;
  border: 1px solid rgba(12,15,20,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(12,15,20,.03));
  display:grid; place-items:center;
}
.card__title{margin:0; font-weight: 900}
.card__text{margin: 2px 0 0; color: var(--muted); font-weight: 650; font-size: 14px}
.card--wide{
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: flex-start;
  gap: 14px;
}

/* CTA strip */
.ctaStrip{
  margin-top: 16px;
  padding: 16px 16px;
  border-radius: var(--radius2);
  border: 1px solid rgba(12,15,20,.12);
  background: rgba(12,15,20,.04);
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.ctaStrip__text{display:flex; flex-direction: column; gap: 2px}
.ctaStrip__text strong{font-weight: 950}
.ctaStrip__text span{color: var(--muted); font-weight: 650}

/* Gallery placeholders */
.gallery{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 18px;
}
.gallery__item{min-height: 170px}
.gallery__frame{
  height: 100%;
  border-radius: var(--radius2);
  border: 1px dashed rgba(12,15,20,.18);
  background:
    linear-gradient(180deg, rgba(255,255,255,.94), rgba(12,15,20,.02)),
    radial-gradient(closest-side at 35% 25%, rgba(12,15,20,.08), rgba(12,15,20,0));
  box-shadow: 0 16px 40px rgba(12,15,20,.08);
  display:flex;
  align-items:flex-end;
  padding: 14px;
  position: relative;
  overflow:hidden;
}
.gallery__frame::before{
  content:"";
  position:absolute;
  inset:-40px -120px auto auto;
  width: 240px; height: 240px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 70%);
  transform: rotate(12deg);
  opacity:.55;
}
.gallery__label{
  position: relative;
  z-index: 1;
  font-weight: 900;
  font-size: 13px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(12,15,20,.12);
}
.note{margin: 14px 0 0; color: var(--muted); font-weight: 650}

/* Steps */
.steps{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}
.step{
  padding: 18px;
  border-radius: var(--radius2);
  border: 1px solid rgba(12,15,20,.12);
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow2);
  display:flex;
  gap: 12px;
  align-items:flex-start;
}
.step__num{
  width: 42px; height: 42px;
  border-radius: 16px;
  background: var(--primary);
  color: #fff;
  font-weight: 950;
  display:grid;
  place-items:center;
  flex: 0 0 auto;
}
.step__title{margin:0; font-weight: 950}
.step__text{margin: 6px 0 0; color: var(--muted); font-weight: 650}

/* Contact */
.contact{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 14px;
  align-items: stretch;
}
.contact__panel{
  padding: 22px;
  border-radius: var(--radius2);
  border: 1px solid rgba(12,15,20,.12);
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow);
}
.contact__title{margin: 0 0 14px; font-size: 28px; letter-spacing: -0.02em}
.contact__grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.contact__item{
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(12,15,20,.12);
  background: rgba(12,15,20,.03);
}
.contact__label{display:block; color: var(--muted); font-weight: 800; font-size: 12px}
.contact__value{display:block; margin-top: 4px; font-weight: 950; word-break: break-word}
.contact__actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

/* Right contact card */
.contact__card{
  padding: 18px;
  border-radius: var(--radius2);
  border: 1px solid rgba(12,15,20,.14);
  background:
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(12,15,20,.02)),
    radial-gradient(closest-side at 30% 20%, rgba(12,15,20,.08), rgba(12,15,20,0));
  box-shadow: var(--shadow);
  position: relative;
  overflow:hidden;
}
.contact__card::after{
  content:"";
  position:absolute;
  inset:-120px -220px auto auto;
  width: 340px; height: 340px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 70%);
  transform: rotate(16deg);
  opacity: .55;
  pointer-events:none;
}
.contact__cardInner{position: relative; z-index: 1}
.contact__headline{margin: 6px 0 6px; font-size: 22px; letter-spacing:-.02em}
.contact__sub{margin:0; color: var(--muted); font-weight: 750}

.contact__mini{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.miniBtn{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(12,15,20,.12);
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(12,15,20,.08);
  transition: transform .18s ease;
}
.miniBtn:hover{transform: translateY(-1px)}
.miniBtn__icon{display:grid; place-items:center}

/* Footer */
.footer{
  padding: 24px 0 40px;
  border-top: 1px solid rgba(12,15,20,.08);
  background: rgba(255,255,255,.9);
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: rgba(12,15,20,.72);
  font-weight: 750;
}
.footer__links{display:flex; gap: 12px; flex-wrap: wrap}
.footer__links a{
  color: rgba(12,15,20,.72);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(12,15,20,.04);
  border: 1px solid rgba(12,15,20,.08);
}

/* Floating buttons */
.float{
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 90;
  display:flex;
  flex-direction: column;
  gap: 10px;
}
.float__btn{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid rgba(12,15,20,.14);
  background: rgba(255,255,255,.92);
  box-shadow: 0 18px 40px rgba(12,15,20,.12);
  transition: transform .18s ease, box-shadow .18s ease;
}
.float__btn:hover{transform: translateY(-2px); box-shadow: 0 26px 60px rgba(12,15,20,.16)}
.float__icon{display:grid; place-items:center}
.float__text{font-weight: 950; font-size: 13px}
.float__btn--wa .float__text{letter-spacing:.2px}
.float__btn--fb .float__text{letter-spacing:.2px}

/* Reveal animations */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 980px){
  .hero__grid{grid-template-columns: 1fr; gap: 18px}
  .header__cta{display:none}
  .section__head{flex-direction: column; align-items:flex-start}
  .cards{grid-template-columns: repeat(2, 1fr)}
  .gallery{grid-template-columns: repeat(2, 1fr)}
  .steps{grid-template-columns: 1fr}
  .contact{grid-template-columns: 1fr}
  .nav__toggle{display:inline-block}
  .nav__list{
    position: absolute;
    top: 72px;
    right: 18px;
    left: 18px;
    display:none;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    border-radius: var(--radius2);
    background: rgba(255,255,255,.94);
    border: 1px solid rgba(12,15,20,.12);
    box-shadow: var(--shadow);
  }
  .nav__list.is-open{display:flex}
  .nav__link{width: 100%; justify-content: center; padding: 12px 14px}
}
@media (max-width: 560px){
  .cards{grid-template-columns: 1fr}
  .card--wide{grid-column:auto; flex-direction: column}
  .hero{padding-top: 40px}
  .float{left: 16px; right: 16px}
  .float__btn{justify-content: center}
  .float__text{flex:0 0 auto}
}