/* ===== Cota Cero Obras — constructora Valparaíso ===== */
:root{
  --bg:#EDEAE3;
  --surface:#FFFFFF;
  --fg:#1A1A18;
  --muted:#635F57;
  --accent:#B5491F;       /* terracota viva — rellenos/bordes/iconos */
  --accent-ink:#A23F18;   /* terracota oscura — texto chico AA */
  --line:#DAD5CB;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --maxw:1180px;
  --pad:clamp(1.25rem,5vw,4rem);
  --r:18px;
}

*{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:'Sora',system-ui,sans-serif;
  font-weight:400;
  color:var(--fg);
  background:var(--bg);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.005em;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3{font-family:'Space Grotesk',sans-serif;font-weight:600;line-height:1.06;letter-spacing:-.02em;color:var(--fg)}

:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ---- FOUC-safe reveals ---- */
.js-on .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease-out),transform .7s 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:#F2EEE6;
  font-size:.74rem;letter-spacing:.02em;padding:0 1rem;
}
.db-bar__dot{width:7px;height:7px;border-radius:50%;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,.32);
  padding:.2rem .7rem;border-radius:30px;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:.85rem var(--pad);
  background:rgba(237,234,227,.82);
  backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav__brand{display:flex;align-items:center;gap:.6rem;margin-right:auto}
.nav__mark{display:flex;flex:none}
.nav__name{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.12rem;letter-spacing:-.02em;line-height:1}
.nav__sub{color:var(--accent-ink);margin-left:.3rem;font-weight:500}
.nav__menu{display:flex;gap:1.6rem}
.nav__menu a{font-size:.92rem;color:var(--muted);font-weight:400;position:relative;transition:color .25s var(--ease)}
.nav__menu a::after{content:"";position:absolute;left:0;bottom:-5px;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:'Space Grotesk',sans-serif;font-weight:600;font-size:.9rem;
  background:var(--fg);color:#fff;padding:.55rem 1.15rem;border-radius:30px;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.nav__cta:hover{background:var(--accent);transform:translateY(-2px)}
@media (max-width:860px){.nav__menu{display:none}}

/* ================= BUTTONS ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.96rem;
  padding:.85rem 1.6rem;border-radius:30px;cursor:pointer;border:none;
  transition:transform .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.btn--solid{background:var(--accent);color:#fff;box-shadow:0 10px 24px -12px rgba(181,73,31,.7)}
.btn--solid:hover{background:#9d3e16;transform:translateY(-3px);box-shadow:0 16px 30px -12px rgba(181,73,31,.75)}
.btn--ghost{background:transparent;color:var(--fg);border:1.5px solid var(--line)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent-ink);transform:translateY(-3px)}
.btn--full{width:100%}
.btn--lg{padding:1.05rem 2.1rem;font-size:1.05rem}
.btn--wapp{background:#25D366;color:#0b3d23}
.btn--wapp:hover{background:#1fbf5a;transform:translateY(-3px)}

/* ================= SECTION SCAFFOLD ================= */
.section{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(4.5rem,9vw,8rem) var(--pad);
}
.kicker{
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.8rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--accent-ink);
  display:inline-flex;align-items:center;gap:.6rem;margin-bottom:1rem;
}
.kicker::before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block}
.kicker--light{color:#E8A98C}
.kicker--light::before{background:#E8A98C}

/* ================= HERO ================= */
.hero{
  position:relative;
  display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:clamp(2rem,5vw,4.5rem);
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(3rem,7vw,6rem) var(--pad) clamp(3.5rem,7vw,6rem);
  min-height:calc(100svh - 90px);
}
.hero__bg{position:absolute;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.hero__mesh{
  position:absolute;inset:-20%;
  background:
    radial-gradient(40% 50% at 78% 18%,rgba(181,73,31,.16),transparent 70%),
    radial-gradient(45% 55% at 12% 88%,rgba(99,95,87,.12),transparent 70%);
}
.hero__grid{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(circle at 30% 40%,#000,transparent 75%);
  mask-image:radial-gradient(circle at 30% 40%,#000,transparent 75%);
}
.hero__eyebrow{font-size:.9rem;color:var(--muted);font-weight:500;letter-spacing:.04em;margin-bottom:1.4rem}
.hero__title{font-size:clamp(2.7rem,7vw,5rem);margin-bottom:1.6rem}
.hero__accent{color:var(--accent-ink)}
.hero__lead{font-size:clamp(1.02rem,1.6vw,1.2rem);color:var(--muted);max-width:34ch;margin-bottom:2.2rem;font-weight:300}
.hero__actions{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:3rem}
.hero__stats{display:flex;gap:clamp(1.5rem,4vw,3rem);flex-wrap:wrap}
.hero__stats div{display:flex;flex-direction:column}
.hero__stats dt{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(1.8rem,3vw,2.6rem);color:var(--fg);line-height:1}
.hero__stats dd{font-size:.82rem;color:var(--muted);margin-top:.35rem;max-width:14ch}

.hero__panel{position:relative}
.hero__art{width:100%;height:auto;filter:drop-shadow(0 30px 50px rgba(26,26,24,.12));border-radius:20px}
.hero__panelTag{
  position:absolute;left:-8px;bottom:-18px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:.8rem 1.1rem;box-shadow:0 18px 36px -18px rgba(26,26,24,.3);
  display:flex;flex-direction:column;
}
.hero__panelKpi{font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--accent-ink);font-size:1.1rem}
.hero__panelLbl{font-size:.76rem;color:var(--muted)}
@media (max-width:880px){
  .hero{grid-template-columns:1fr;min-height:auto}
  .hero__panel{order:-1;max-width:420px}
  .hero__lead{max-width:46ch}
}

/* ================= MARQUEE ================= */
.marquee{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--surface);overflow:hidden;padding:1rem 0;
}
.marquee__track{
  display:flex;align-items:center;gap:1.4rem;white-space:nowrap;width:max-content;
  font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:1.05rem;
  color:var(--muted);
  animation:scroll 32s linear infinite;
}
.marquee__track .dot{color:var(--accent)}
@keyframes scroll{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee__track{animation:none}}

/* ================= SOBRE ================= */
.sobre__head{max-width:760px;margin-bottom:3.5rem}
.sobre__head h2{font-size:clamp(1.8rem,4vw,2.9rem)}
.sobre__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.sobre__text p{color:var(--muted);font-size:1.05rem;margin-bottom:1.2rem;max-width:54ch}
.sobre__list{list-style:none;margin-top:1.8rem;display:flex;flex-direction:column;gap:.85rem}
.sobre__list li{display:flex;gap:.7rem;font-size:1rem;color:var(--fg);font-weight:400}
.sobre__list span{color:var(--accent);font-weight:700;flex:none}
.sobre__card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem;box-shadow:0 26px 50px -28px rgba(26,26,24,.25)}
.sobre__plan{width:100%;height:auto;border-radius:12px}
.sobre__cardCap{font-size:.86rem;color:var(--muted);margin-top:1rem;line-height:1.5}
@media (max-width:840px){.sobre__grid{grid-template-columns:1fr}}

/* ================= SERVICIOS ================= */
.servicios__head{max-width:680px;margin-bottom:3.2rem}
.servicios__head h2{font-size:clamp(1.8rem,4vw,2.9rem)}
.servicios__lead{color:var(--muted);font-size:1.05rem;margin-top:1rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:2rem 1.7rem;display:flex;flex-direction:column;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:0 30px 50px -28px rgba(26,26,24,.28);border-color:#cfc7b8}
.card__ico{width:54px;height:54px;border-radius:14px;background:var(--bg);display:flex;align-items:center;justify-content:center;margin-bottom:1.3rem;border:1px solid var(--line)}
.card__ico svg{width:30px;height:30px}
.card h3{font-size:1.3rem;margin-bottom:.65rem}
.card p{color:var(--muted);font-size:.96rem;flex:1}
.card__from{margin-top:1.3rem;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.85rem;color:var(--accent-ink);padding-top:1rem;border-top:1px solid var(--line)}
.card--accent{background:var(--accent);border-color:var(--accent)}
.card--accent h3{color:#fff}
.card--accent p{color:#fdf1ea}
.card--accent .card__ico{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28)}
.card--accent:hover{box-shadow:0 30px 55px -24px rgba(181,73,31,.6)}
.card__from--inv{color:#fff;border-top-color:rgba(255,255,255,.3)}
@media (max-width:920px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.cards{grid-template-columns:1fr}}

/* ================= PROCESO ================= */
.proceso{border-top:1px solid var(--line)}
.proceso__head{max-width:680px;margin-bottom:3rem}
.proceso__head h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
.proceso__steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;counter-reset:step}
.proceso__steps li{position:relative;padding-top:1.4rem;border-top:2px solid var(--line);transition:border-color .4s var(--ease)}
.proceso__steps li:hover{border-color:var(--accent)}
.proceso__n{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.5rem;color:var(--accent-ink);display:block;margin-bottom:.6rem}
.proceso__steps h3{font-size:1.12rem;margin-bottom:.5rem}
.proceso__steps p{color:var(--muted);font-size:.93rem}
@media (max-width:860px){.proceso__steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.proceso__steps{grid-template-columns:1fr}}

/* ================= CONFIANZA ================= */
.confianza{background:var(--fg);color:#EDEAE3;max-width:100%;padding:0}
.confianza__inner{max-width:var(--maxw);margin:0 auto;padding:clamp(4.5rem,9vw,8rem) var(--pad)}
.confianza__head{max-width:680px;margin-bottom:3.2rem}
.confianza__head h2{color:#fff;font-size:clamp(1.8rem,4vw,2.9rem)}
.confianza__quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.quote{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r);padding:1.8rem;display:flex;flex-direction:column;justify-content:space-between;
  transition:transform .4s var(--ease),border-color .4s var(--ease);
}
.quote:hover{transform:translateY(-5px);border-color:rgba(232,169,140,.5)}
.quote blockquote{font-family:'Space Grotesk',sans-serif;font-size:1.08rem;line-height:1.45;color:#F3EFE7;margin-bottom:1.6rem;font-weight:400}
.quote figcaption{display:flex;flex-direction:column;gap:.15rem}
.quote figcaption strong{font-weight:600;color:#fff;font-size:.95rem}
.quote figcaption span{color:#C2BCB1;font-size:.84rem}
.confianza__badges{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.6rem}
.badge{font-size:.86rem;color:#D8D2C7;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);padding:.55rem 1rem;border-radius:30px}
.badge b{color:#E8A98C;font-weight:600}
@media (max-width:860px){.confianza__quotes{grid-template-columns:1fr}}

/* ================= UBICACION ================= */
.ubicacion{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.ubicacion__info h2{font-size:clamp(1.7rem,3.6vw,2.6rem);max-width:16ch;margin-bottom:2rem}
.ubicacion__list{list-style:none;display:flex;flex-direction:column;gap:1.5rem}
.ubicacion__list li{display:flex;gap:1rem;align-items:flex-start}
.ubicacion__ico{width:44px;height:44px;flex:none;border-radius:12px;background:var(--surface);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:'Space Grotesk',sans-serif;font-weight:600;display:block;margin-bottom:.15rem}
.ubicacion__list p{color:var(--muted);font-size:.95rem}
.ubicacion__map{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 55px -30px rgba(26,26,24,.3)}
.mapart{width:100%;height:auto}
@media (max-width:840px){.ubicacion{grid-template-columns:1fr}}

/* ================= CONTACTO ================= */
.contacto{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.contacto__intro h2{font-size:clamp(1.7rem,3.6vw,2.5rem);margin-bottom:1.2rem}
.contacto__note{color:var(--muted);font-size:1.02rem;margin-bottom:2rem;max-width:42ch}
.contacto__direct{display:flex;flex-direction:column;gap:.9rem;align-items:flex-start}
.contacto__or{font-size:.9rem;color:var(--muted)}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(1.5rem,3vw,2.4rem);box-shadow:0 30px 60px -36px rgba(26,26,24,.28)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{display:flex;flex-direction:column;margin-bottom:1.1rem}
.field label{font-size:.82rem;font-weight:500;color:var(--fg);margin-bottom:.45rem;font-family:'Space Grotesk',sans-serif}
.field input,.field select,.field textarea{
  font-family:'Sora',sans-serif;font-size:.96rem;color:var(--fg);
  background:var(--bg);border:1px solid var(--line);border-radius:10px;
  padding:.75rem .85rem;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
  width:100%;
}
.field input::placeholder,.field textarea::placeholder{color:#9b968c}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(181,73,31,.16)
}
.field textarea{resize:vertical;min-height:96px}
.form__status{margin-top:1rem;font-size:.92rem;font-weight:500;color:var(--accent-ink);min-height:1.2em}
.form__status.ok{color:#1d7a4a}
.form__legal{margin-top:.9rem;font-size:.78rem;color:var(--muted)}
@media (max-width:560px){.form__row{grid-template-columns:1fr}}
@media (max-width:840px){.contacto{grid-template-columns:1fr}}

/* ================= DB CTA ================= */
.db-cta{background:linear-gradient(135deg,#1f1e1b,#2c2a25);color:#fff;text-align:center;padding:clamp(4rem,8vw,6.5rem) var(--pad);position:relative;overflow:hidden}
.db-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 60% at 50% 0%,rgba(181,73,31,.28),transparent 70%);pointer-events:none}
.db-cta__inner{max-width:640px;margin:0 auto;position:relative}
.db-cta__kick{font-family:'Space Grotesk',sans-serif;font-weight:600;letter-spacing:.16em;text-transform:uppercase;font-size:.78rem;color:#E8A98C;margin-bottom:1rem}
.db-cta h2{color:#fff;font-size:clamp(1.9rem,4.5vw,3rem);margin-bottom:1rem}
.db-cta__lead{color:#cfc9bf;font-size:1.05rem;margin-bottom:2.2rem;max-width:48ch;margin-inline:auto}

/* ================= FOOTER ================= */
.footer{background:var(--bg);border-top:1px solid var(--line);padding:clamp(3rem,6vw,4.5rem) var(--pad) 1.5rem}
.footer__inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;align-items:start}
.footer__brand .nav__mark{margin-bottom:.8rem}
.footer__name{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.25rem}
.footer__tag{color:var(--muted);font-size:.9rem;margin-top:.2rem}
.footer__nav{display:flex;flex-direction:column;gap:.6rem}
.footer__nav a{color:var(--muted);font-size:.95rem;transition:color .25s var(--ease)}
.footer__nav a:hover{color:var(--accent-ink)}
.footer__contact p{color:var(--muted);font-size:.92rem;margin-bottom:.35rem}
.footer__base{max-width:var(--maxw);margin:2.5rem auto 0;padding-top:1.5rem;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;font-size:.82rem;color:var(--muted)}
.footer__base a{color:var(--accent-ink);font-weight:500}
@media (max-width:720px){.footer__inner{grid-template-columns:1fr 1fr}.footer__brand{grid-column:1/-1}}

/* ================= WHATSAPP FLOAT ================= */
.wapp-float{
  position:fixed;right:18px;bottom:18px;z-index:55;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#063b1f;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 30px -8px rgba(37,211,102,.6);
  transition:transform .3s var(--ease);
}
.wapp-float:hover{transform:scale(1.08)}
@media (prefers-reduced-motion:reduce){.wapp-float:hover{transform:none}}