/* ===== Hormigón Norte — estudio de arquitectura · Santiago ===== */
/* Brutalismo minimalista de hormigón: grilla estricta, líneas finas, acento bermellón. */

:root{
  --bg:#EDEAE4;        /* gris concreto claro */
  --surface:#F6F4F0;   /* superficie elevada */
  --fg:#1C1B19;        /* tinta casi negra (~14:1) */
  --muted:#6B665E;     /* gris medio (AA ok ~4.6:1) */
  --accent:#B4341F;    /* bermellón — relleno/borde/icono y texto chico (~5:1) */
  --line:#C9C4BB;      /* línea fina decorativa, NUNCA texto */
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --maxw:1200px;
  --pad:clamp(1.25rem,5vw,4.5rem);
  --gut:clamp(1rem,3vw,2.5rem);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:'Hanken Grotesk',system-ui,sans-serif;
  font-weight:400;
  color:var(--fg);
  background:var(--bg);
  line-height:1.62;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.004em;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3{font-family:'Archivo',sans-serif;font-weight:700;line-height:1.02;letter-spacing:-.022em;color:var(--fg)}
.planTxt,.mapTxt{font-family:'Archivo',sans-serif}

:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px}

/* ---- FOUC-safe reveals ---- */
.js-on .reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.js-on .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js-on .reveal{opacity:1!important;transform:none!important;transition:none!important}
}

/* ================= DEMO BAR (Digital Bee) ================= */
.db-bar{
  position:fixed;top:0;left:0;right:0;z-index:60;height:34px;
  display:flex;align-items:center;justify-content:center;gap:.6rem;
  background:var(--fg);color:#EDEAE4;
  font-size:.74rem;letter-spacing:.03em;padding:0 1rem;
}
.db-bar__dot{width:7px;height:7px;background:var(--accent);flex:none}
.db-bar__txt{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.db-bar__link{
  color:#fff;font-weight:600;border:1px solid rgba(255,255,255,.34);
  padding:.18rem .7rem;transition:background .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.db-bar__link:hover{background:var(--accent);border-color:var(--accent)}
@media (max-width:560px){.db-bar__txt{display:none}}

/* ================= NAV ================= */
.nav{
  position:sticky;top:34px;z-index:50;
  display:flex;align-items:center;gap:1.5rem;
  padding:.9rem var(--pad);
  background:rgba(237,234,228,.86);
  backdrop-filter:saturate(130%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav__brand{display:flex;align-items:center;gap:.65rem;margin-right:auto}
.nav__mark{display:flex;flex:none}
.nav__name{font-family:'Archivo',sans-serif;font-weight:800;font-size:1.08rem;letter-spacing:-.02em;line-height:1}
.nav__sub{color:var(--accent);margin-left:.35rem;font-weight:600}
.nav__menu{display:flex;gap:1.7rem}
.nav__menu a{font-size:.86rem;color:var(--muted);font-weight:500;letter-spacing:.01em;position:relative;transition:color .25s var(--ease)}
.nav__menu a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--accent);transition:width .3s var(--ease)}
.nav__menu a:hover{color:var(--fg)}
.nav__menu a:hover::after{width:100%}
.nav__cta{
  font-family:'Archivo',sans-serif;font-weight:600;font-size:.86rem;letter-spacing:.01em;
  background:var(--fg);color:#fff;padding:.6rem 1.2rem;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.nav__cta:hover{background:var(--accent);transform:translateY(-2px)}
@media (max-width:900px){.nav__menu{display:none}}

/* ================= BUTTONS ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:'Archivo',sans-serif;font-weight:600;font-size:.94rem;letter-spacing:.005em;
  padding:.9rem 1.65rem;cursor:pointer;border:none;
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease),box-shadow .3s var(--ease);
}
.btn--solid{background:var(--accent);color:#fff}
.btn--solid:hover{background:#8f2818;transform:translateY(-3px);box-shadow:0 14px 26px -14px rgba(180,52,31,.65)}
.btn--ghost{background:transparent;color:var(--fg);border:1.5px solid var(--fg)}
.btn--ghost:hover{background:var(--fg);color:var(--bg);transform:translateY(-3px)}
.btn--full{width:100%}
.btn--lg{padding:1.1rem 2.2rem;font-size:1.04rem}
.btn--wapp{background:#25D366;color:#08351e}
.btn--wapp:hover{background:#1fbf5a;transform:translateY(-3px)}

/* ================= SECTION SCAFFOLD ================= */
.section{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(4.5rem,9vw,8.5rem) var(--pad);
}
.kicker{
  font-family:'Archivo',sans-serif;font-weight:600;font-size:.74rem;
  letter-spacing:.2em;text-transform:uppercase;color:var(--accent);
  display:inline-flex;align-items:center;gap:.7rem;margin-bottom:1.1rem;
}
.kicker::before{content:"";width:30px;height:2px;background:var(--accent);display:inline-block}
.kicker--light{color:#E89580}
.kicker--light::before{background:#E89580}

/* ================= HERO ================= */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;align-items:center;
  padding:clamp(3rem,8vw,6rem) var(--pad) clamp(3rem,7vw,5rem);
  overflow:hidden;
}
.hero__grid{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:clamp(48px,7vw,88px) clamp(48px,7vw,88px);
  opacity:.5;
  -webkit-mask-image:radial-gradient(120% 100% at 70% 0%,#000 35%,transparent 78%);
  mask-image:radial-gradient(120% 100% at 70% 0%,#000 35%,transparent 78%);
}
.hero__inner{
  position:relative;z-index:1;
  width:100%;max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,5vw,4.5rem);
  align-items:center;
}
.hero__eyebrow{
  font-family:'Archivo',sans-serif;font-weight:600;font-size:.78rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
  margin-bottom:1.4rem;display:inline-flex;align-items:center;gap:.7rem;
}
.hero__eyebrow::before{content:"";width:34px;height:1px;background:var(--fg)}
.hero__title{
  font-size:clamp(2.6rem,7vw,5.2rem);font-weight:800;
  letter-spacing:-.03em;line-height:.98;margin-bottom:1.7rem;
}
.hero__accent{color:var(--accent);position:relative;white-space:nowrap}
.hero__accent::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.1em;background:var(--accent);opacity:.22}
.hero__lead{
  font-size:clamp(1.02rem,1.6vw,1.18rem);color:var(--muted);
  max-width:34rem;line-height:1.65;margin-bottom:2.2rem;
}
.hero__actions{display:flex;gap:.9rem;flex-wrap:wrap;margin-bottom:3rem}
.hero__stats{
  display:flex;gap:clamp(1.5rem,4vw,3rem);
  border-top:1px solid var(--line);padding-top:1.6rem;
}
.hero__stats dt{font-family:'Archivo',sans-serif;font-weight:800;font-size:clamp(1.8rem,3vw,2.4rem);line-height:1;letter-spacing:-.02em}
.hero__stats dd{font-size:.82rem;color:var(--muted);margin-top:.35rem;max-width:8.5rem;line-height:1.3}

.hero__panel{position:relative;align-self:center}
.hero__axo{width:100%;height:auto;filter:drop-shadow(0 24px 40px rgba(28,27,25,.1))}
.hero__panelTag{
  position:absolute;left:0;bottom:-.4rem;
  display:flex;flex-direction:column;
  background:var(--fg);color:var(--bg);padding:.7rem 1rem;
}
.hero__panelKpi{font-family:'Archivo',sans-serif;font-weight:700;font-size:.9rem;letter-spacing:.02em}
.hero__panelLbl{font-size:.72rem;color:#B6B0A6;letter-spacing:.02em;text-transform:uppercase;margin-top:.15rem}

@media (max-width:880px){
  .hero{min-height:auto}
  .hero__inner{grid-template-columns:1fr;gap:3rem}
  .hero__panel{max-width:380px;margin-inline:auto;order:2}
  .hero__panelTag{position:static;display:inline-flex;margin-top:1.2rem;align-self:flex-start}
}

/* ================= TICKER ================= */
.ticker{
  border-block:1px solid var(--fg);background:var(--surface);
  overflow:hidden;white-space:nowrap;
}
.ticker__track{
  display:inline-flex;align-items:center;gap:1.4rem;
  padding:.95rem 0;
  font-family:'Archivo',sans-serif;font-weight:600;font-size:.92rem;
  letter-spacing:.04em;text-transform:uppercase;
  animation:ticker 34s linear infinite;
}
.ticker__track .sep{color:var(--accent)}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ticker__track{animation:none}}

/* ================= ESTUDIO ================= */
.estudio__head{max-width:42rem;margin-bottom:clamp(2.5rem,5vw,4rem)}
.estudio__head h2{font-size:clamp(1.9rem,3.8vw,3rem);margin-top:.3rem}
.estudio__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.estudio__lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--fg);font-weight:500;margin-bottom:1.2rem;line-height:1.5}
.estudio__text p{color:var(--muted);margin-bottom:1.1rem;max-width:34rem}
.estudio__list{list-style:none;margin-top:1.6rem;display:grid;gap:.85rem}
.estudio__list li{display:flex;align-items:flex-start;gap:.75rem;font-size:.96rem;color:var(--fg)}
.estudio__bullet{width:9px;height:9px;background:var(--accent);flex:none;margin-top:.45rem}

.estudio__panel{
  border:1px solid var(--fg);background:var(--surface);
  padding:clamp(1.2rem,2.5vw,1.8rem);
}
.estudio__plan{width:100%;height:auto;border-bottom:1px solid var(--line);padding-bottom:.4rem;margin-bottom:1rem}
.planTxt{font-size:11px;font-weight:600;fill:var(--muted);letter-spacing:.04em}
.estudio__panelCap{font-size:.86rem;color:var(--muted);line-height:1.5}

@media (max-width:880px){.estudio__grid{grid-template-columns:1fr;gap:2.5rem}}

/* ================= SERVICIOS ================= */
.servicios{background:var(--surface);max-width:none;border-block:1px solid var(--line)}
.servicios__head{max-width:var(--maxw);margin:0 auto clamp(2.5rem,5vw,3.5rem)}
.servicios__head h2{font-size:clamp(1.9rem,3.8vw,3rem);margin-top:.3rem}
.servicios__lead{color:var(--muted);max-width:40rem;margin-top:1rem;font-size:1.02rem}
.cards{
  max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);
}
.card{
  position:relative;background:var(--bg);
  padding:clamp(1.7rem,3vw,2.4rem);
  display:flex;flex-direction:column;
  transition:background .35s var(--ease),transform .35s var(--ease);
}
.card:hover{background:var(--surface);transform:translateY(-3px);z-index:2}
.card__idx{
  font-family:'Archivo',sans-serif;font-weight:700;font-size:.8rem;
  color:var(--muted);letter-spacing:.08em;position:absolute;top:1.3rem;right:1.5rem;
}
.card__ico{display:flex;width:48px;height:48px;margin-bottom:1.5rem}
.card__ico svg{width:100%;height:100%}
.card h3{font-size:1.3rem;font-weight:700;margin-bottom:.7rem;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:.94rem;line-height:1.55;flex:1}
.card__from{
  display:inline-block;margin-top:1.4rem;padding-top:.9rem;
  border-top:1px solid var(--line);
  font-family:'Archivo',sans-serif;font-weight:600;font-size:.84rem;
  color:var(--accent);letter-spacing:.01em;
}
.card--accent{background:var(--accent)}
.card--accent:hover{background:#9d2c1a}
.card--accent h3,.card--accent .card__idx{color:#fff}
.card--accent p{color:#FAE7E2}
.card--accent .card__from--inv{color:#fff;border-top-color:rgba(255,255,255,.3)}
@media (max-width:880px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.cards{grid-template-columns:1fr}}

/* ================= PROCESO ================= */
.proceso__head{max-width:42rem;margin-bottom:clamp(2.5rem,5vw,4rem)}
.proceso__head h2{font-size:clamp(1.9rem,3.8vw,3rem);margin-top:.3rem}
.proceso__steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--fg)}
.proceso__steps li{
  position:relative;padding:2rem 1.4rem 0 0;
  border-right:1px solid var(--line);
}
.proceso__steps li:last-child{border-right:none}
.proceso__steps li::before{
  content:"";position:absolute;top:-1px;left:0;width:38px;height:3px;background:var(--accent);
}
.proceso__n{font-family:'Archivo',sans-serif;font-weight:800;font-size:2.2rem;color:#7C766D;letter-spacing:-.02em;display:block;line-height:1}
.proceso__steps h3{font-size:1.18rem;font-weight:700;margin:1rem 0 .6rem}
.proceso__steps p{color:var(--muted);font-size:.92rem;line-height:1.55;padding-right:.6rem}
@media (max-width:880px){
  .proceso__steps{grid-template-columns:1fr 1fr}
  .proceso__steps li{padding-right:1.4rem;padding-bottom:1.8rem}
  .proceso__steps li:nth-child(2n){border-right:none}
}
@media (max-width:520px){
  .proceso__steps{grid-template-columns:1fr}
  .proceso__steps li{border-right:none;border-bottom:1px solid var(--line)}
  .proceso__steps li:last-child{border-bottom:none}
}

/* ================= CONFIANZA ================= */
.confianza{background:var(--fg);max-width:none}
.confianza__inner{max-width:var(--maxw);margin:0 auto}
.confianza__head{max-width:40rem;margin-bottom:clamp(2.5rem,5vw,3.5rem)}
.confianza__head h2{color:var(--surface);font-size:clamp(1.9rem,3.8vw,3rem);margin-top:.3rem}
.confianza__quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:3rem}
.quote{
  border:1px solid #3A3833;padding:1.8rem;background:#232220;
  display:flex;flex-direction:column;
  transition:border-color .35s var(--ease),transform .35s var(--ease);
}
.quote:hover{border-color:var(--accent);transform:translateY(-3px)}
.quote blockquote{color:#E7E3DC;font-size:1rem;line-height:1.6;flex:1;font-weight:400}
.quote figcaption{margin-top:1.5rem;padding-top:1rem;border-top:1px solid #3A3833}
.quote figcaption strong{display:block;font-family:'Archivo',sans-serif;font-weight:600;color:#fff;font-size:.95rem}
.quote figcaption span{display:block;color:#A39E94;font-size:.82rem;margin-top:.2rem}
.confianza__badges{display:flex;flex-wrap:wrap;gap:.7rem;border-top:1px solid #3A3833;padding-top:2rem}
.badge{
  border:1px solid #45433D;padding:.6rem 1rem;font-size:.84rem;color:#C9C4BB;
}
.badge b{color:#fff;font-weight:600}
@media (max-width:880px){.confianza__quotes{grid-template-columns:1fr}}

/* ================= UBICACION ================= */
.ubicacion{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.ubicacion__info h2{font-size:clamp(1.8rem,3.4vw,2.7rem);margin-top:.3rem;max-width:18ch}
.ubicacion__list{list-style:none;margin-top:2rem;display:grid;gap:1.3rem}
.ubicacion__list li{display:flex;gap:1rem;align-items:flex-start;padding-bottom:1.3rem;border-bottom:1px solid var(--line)}
.ubicacion__list li:last-child{border-bottom:none;padding-bottom:0}
.ubicacion__ico{width:42px;height:42px;flex:none;border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.ubicacion__ico svg{width:22px;height:22px}
.ubicacion__list strong{font-family:'Archivo',sans-serif;font-weight:600;font-size:.95rem;display:block;margin-bottom:.15rem}
.ubicacion__list p{color:var(--muted);font-size:.92rem;line-height:1.45}
.ubicacion__map{border:1px solid var(--fg)}
.mapart{width:100%;height:auto;display:block}
.mapTxt{font-size:12px;font-weight:500;fill:var(--muted);letter-spacing:.03em}
.mapTxt--strong{fill:var(--fg);font-weight:700;font-size:13px}
@media (max-width:880px){.ubicacion{grid-template-columns:1fr;gap:2.5rem}}

/* ================= CONTACTO ================= */
.contacto{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.contacto__intro h2{font-size:clamp(1.8rem,3.4vw,2.7rem);margin-top:.3rem;max-width:16ch}
.contacto__note{color:var(--muted);margin-top:1.2rem;max-width:32rem;font-size:1rem}
.contacto__direct{margin-top:2rem;display:flex;flex-direction:column;align-items:flex-start;gap:1rem}
.contacto__or{font-size:.9rem;color:var(--muted)}

.form{
  background:var(--surface);border:1px solid var(--fg);
  padding:clamp(1.5rem,3vw,2.4rem);
}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
.field{display:flex;flex-direction:column}
.field label{font-family:'Archivo',sans-serif;font-weight:600;font-size:.8rem;letter-spacing:.02em;color:var(--fg);margin-bottom:.4rem}
.field input,.field select,.field textarea{
  font-family:'Hanken Grotesk',sans-serif;font-size:.95rem;color:var(--fg);
  background:var(--bg);border:1px solid var(--line);
  padding:.75rem .85rem;width:100%;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:#7C766D}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(180,52,31,.15);
}
.field textarea{resize:vertical;min-height:110px}
.form .field:not(:last-of-type){margin-bottom:1rem}
.form .btn--full{margin-top:.4rem}
.form__status{font-size:.9rem;margin-top:1rem;min-height:1.2em;color:var(--muted)}
.form__status.ok{color:var(--accent);font-weight:500}
.form__legal{font-size:.78rem;color:var(--muted);margin-top:.8rem;text-align:center}
@media (max-width:880px){.contacto{grid-template-columns:1fr;gap:2.5rem}}
@media (max-width:480px){.form__row{grid-template-columns:1fr}}

/* ================= CTA DIGITAL BEE ================= */
.db-cta{background:var(--accent);color:#fff;text-align:center}
.db-cta__inner{max-width:46rem;margin:0 auto;padding:clamp(4rem,8vw,6.5rem) var(--pad)}
.db-cta__kick{
  font-family:'Archivo',sans-serif;font-weight:600;font-size:.74rem;
  letter-spacing:.2em;text-transform:uppercase;color:#F8E0DA;margin-bottom:1rem;
}
.db-cta h2{color:#fff;font-size:clamp(2rem,4.5vw,3.2rem);letter-spacing:-.02em;margin-bottom:1rem}
.db-cta__lead{color:#F6E2DC;font-size:1.05rem;max-width:34rem;margin:0 auto 2.2rem;line-height:1.6}

/* ================= FOOTER ================= */
.footer{background:var(--fg);color:#C9C4BB}
.footer__inner{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(3rem,6vw,4.5rem) var(--pad) 2.5rem;
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;align-items:start;
}
.footer__brand .nav__mark{margin-bottom:1rem}
.footer__name{font-family:'Archivo',sans-serif;font-weight:800;font-size:1.2rem;color:#fff;letter-spacing:-.01em}
.footer__tag{font-size:.86rem;color:#9A958C;margin-top:.3rem}
.footer__nav{display:flex;flex-direction:column;gap:.7rem}
.footer__nav a{font-size:.92rem;color:#C9C4BB;transition:color .2s var(--ease);width:fit-content}
.footer__nav a:hover{color:var(--accent)}
.footer__contact p{font-size:.92rem;color:#C9C4BB;margin-bottom:.45rem}
.footer__base{
  max-width:var(--maxw);margin:0 auto;
  padding:1.4rem var(--pad);border-top:1px solid #3A3833;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.8rem;color:#9A958C;
}
.footer__base a{color:#C9C4BB;border-bottom:1px solid var(--accent)}
.footer__base a:hover{color:var(--accent)}
@media (max-width:780px){
  .footer__inner{grid-template-columns:1fr 1fr}
  .footer__brand{grid-column:1/-1}
}
@media (max-width:480px){.footer__inner{grid-template-columns:1fr}}

/* ================= WHATSAPP FLOAT ================= */
.wapp-float{
  position:fixed;right:1.25rem;bottom:1.25rem;z-index:55;
  width:58px;height:58px;background:#25D366;color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px -8px rgba(0,0,0,.4);
  transition:transform .3s var(--ease);
}
.wapp-float:hover{transform:translateY(-3px) scale(1.05)}
@media (max-width:560px){.wapp-float{width:52px;height:52px;right:1rem;bottom:1rem}}