/* TOPOLOGICAL — sitio corporativo
   Paleta y tipografía según Manual de Marca (Anexo 5 CORFO) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;900&display=swap');

:root{
  --black:#0F0F0F; --charcoal:#1C1C1C; --steel:#2D3748;
  --gold:#B8955A; --gold-light:#D4AE72; --gold-dark:#8B6F3A;
  --blue:#0066CC; --offwhite:#F8F7F4; --line:#E8E6E0; --mid:#9CA3AF; --text:#1A1A1A;
  --wa:#25D366;
  --wrap:1200px; --r:8px; --t:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--text);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 40px}
.gold{color:var(--gold)}

/* NAV */
.nav{position:fixed;inset:0 0 auto;z-index:100;background:rgba(15,15,15,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav .wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand img{width:34px;height:34px}
.brand b{font-weight:900;font-size:19px;letter-spacing:-.5px}
.brand small{display:block;font-size:9px;letter-spacing:.3em;color:var(--gold);font-weight:500;margin-top:-2px}
.menu{display:flex;align-items:center;gap:28px}
.menu a{font-size:14px;font-weight:500;color:rgba(255,255,255,.68);transition:color var(--t)}
.menu a:hover,.menu a.on{color:#fff}
.menu a.academy{color:var(--gold-light)}
.btn-nav{background:var(--gold);color:#fff!important;padding:9px 20px;border-radius:6px;font-weight:700!important}
.btn-nav:hover{background:var(--gold-light)}
.burger{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer;line-height:1}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:6px;font-weight:700;font-size:15px;transition:all var(--t);border:2px solid transparent;cursor:pointer}
.btn-gold{background:var(--gold);color:#fff}.btn-gold:hover{background:var(--gold-light);transform:translateY(-2px)}
.btn-wa{background:var(--wa);color:#fff}.btn-wa:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.25);color:#fff}.btn-ghost:hover{border-color:var(--gold);color:var(--gold-light)}
.btn-dark{border-color:var(--black);color:var(--black)}.btn-dark:hover{background:var(--black);color:#fff}
.btn svg{width:18px;height:18px}

/* HERO */
.hero{position:relative;background:var(--black);color:#fff;overflow:hidden;padding:150px 0 90px}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:60px 60px}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 75% 40%,rgba(184,149,90,.14),transparent 60%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}
.tag{font-size:11px;font-weight:700;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);margin-bottom:22px}
.hero h1{font-size:clamp(40px,6vw,74px);font-weight:900;letter-spacing:-.04em;line-height:.98;margin-bottom:26px}
.hero p.lead{font-size:18px;color:rgba(255,255,255,.66);max-width:520px;margin-bottom:36px}
.ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{aspect-ratio:4/3;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.page-hero{padding:140px 0 70px}
.page-hero .wrap{grid-template-columns:1fr}
.page-hero h1{font-size:clamp(36px,5vw,60px)}
.crumb{font-size:13px;color:rgba(255,255,255,.45);margin-bottom:18px}.crumb a:hover{color:var(--gold)}

/* PHOTO SLOT (si falta la foto se ve el patrón de marca) */
.ph{position:relative;background:var(--img,none) center/cover no-repeat,url(../img/isotipo.svg) center/64px no-repeat,linear-gradient(135deg,var(--steel),var(--charcoal));min-height:220px;border-radius:var(--r);overflow:hidden}
.ph::after{content:attr(data-cap);position:absolute;left:0;right:0;bottom:0;padding:28px 16px 12px;font-size:12.5px;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.65))}
.ph[data-cap=""]::after{display:none}
.hero-media.ph{min-height:0;width:100%;height:auto}

/* STATS */
.stats{background:var(--charcoal);color:#fff;border-top:1px solid rgba(255,255,255,.06)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 24px;border-right:1px solid rgba(255,255,255,.07)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:38px;font-weight:900;letter-spacing:-.03em;color:var(--gold-light);line-height:1.1}
.stat span{font-size:13px;color:rgba(255,255,255,.58)}

/* SECTIONS */
section.s{padding:96px 0}
.s-light{background:var(--offwhite)}
.s-dark{background:var(--black);color:#fff}
.h2{font-size:clamp(30px,4vw,46px);font-weight:900;letter-spacing:-.035em;line-height:1.05;margin-bottom:18px}
.sub{font-size:17px;color:#555;max-width:640px;margin-bottom:48px}
.s-dark .sub{color:rgba(255,255,255,.6)}

/* SERVICE CARDS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:30px;display:flex;flex-direction:column;transition:all var(--t)}
.card:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 18px 40px -20px rgba(0,0,0,.25)}
.card .ic{width:46px;height:46px;border-radius:10px;background:var(--black);display:grid;place-items:center;margin-bottom:20px}
.card .ic svg{width:24px;height:24px;stroke:var(--gold);fill:none;stroke-width:1.8}
.card h3{font-size:19px;font-weight:800;letter-spacing:-.01em;margin-bottom:8px}
.card p{font-size:14.5px;color:#555;flex:1}
.card .more{margin-top:18px;font-size:14px;font-weight:700;color:var(--gold-dark)}
.card.academy{grid-column:span 2;background:var(--black);color:#fff;border-color:var(--black)}
.card.academy p{color:rgba(255,255,255,.62)}.card.academy .more{color:var(--gold-light)}
.card.academy .ic{background:var(--gold)}.card.academy .ic svg{stroke:#fff}

/* SPLIT */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split .ph{min-height:420px}
.checks li{position:relative;padding-left:30px;margin-bottom:14px;font-size:16px}
.checks li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:3px;background:var(--gold)}
.s-dark .checks li{color:rgba(255,255,255,.82)}

/* EVIDENCE (CORFO + paper) */
.proof{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.proof-card{border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:32px;background:var(--charcoal)}
.proof-card .k{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:14px}
.proof-card h3{font-size:20px;font-weight:800;line-height:1.3;margin-bottom:12px}
.proof-card p{font-size:14.5px;color:rgba(255,255,255,.62)}
.proof-card a{color:var(--gold-light);font-weight:600}
.proof-card a:hover{text-decoration:underline}

/* CLIENTS */
.clients{display:flex;flex-wrap:wrap;gap:12px}
.clients span{padding:12px 22px;border:1px solid var(--line);border-radius:40px;font-weight:700;font-size:15px;color:var(--steel);background:#fff}

/* GALLERY */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery .ph{min-height:240px}
.gallery .ph.wide{grid-column:span 2}

/* TABLE-LIKE LIST */
.lines{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.line{display:flex;gap:16px;padding:22px;border:1px solid var(--line);border-radius:10px;background:#fff}
.line .n{font-weight:900;color:var(--gold);font-size:14px;min-width:26px}
.line h4{font-size:16px;font-weight:800;margin-bottom:4px}
.line p{font-size:14px;color:#555}

/* FLEET */
.fleet{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.fleet div{padding:22px;border-radius:10px;background:var(--charcoal);border:1px solid rgba(255,255,255,.07)}
.fleet b{display:block;font-size:16px;margin-bottom:4px}
.fleet span{font-size:13px;color:rgba(255,255,255,.55)}

/* ABOUT */
.about{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:start}
.ceo{background:var(--black);color:#fff;border-radius:12px;padding:36px}
.ceo .k{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:16px}
.ceo h3{font-size:22px;font-weight:800;margin-bottom:6px}
.ceo p{font-size:14.5px;color:rgba(255,255,255,.64)}
.ceo ul{margin-top:18px}.ceo li{font-size:14px;color:rgba(255,255,255,.78);padding:8px 0;border-top:1px solid rgba(255,255,255,.08)}

/* ACADEMY BAND */
.band{background:linear-gradient(120deg,var(--black) 0%,var(--black) 55%,var(--gold-dark) 140%);color:#fff;border-radius:16px;padding:56px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.band p{color:rgba(255,255,255,.66);font-size:16px}

/* CONTACT */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.c-items{margin-top:28px;display:grid;gap:14px}
.c-items a,.c-items div{display:flex;gap:12px;align-items:center;color:rgba(255,255,255,.78);font-size:15.5px}
.c-items a:hover{color:var(--gold-light)}
.c-items svg{width:20px;height:20px;stroke:var(--gold);fill:none;stroke-width:1.8;flex:none}
form.wa{background:var(--charcoal);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:32px;display:grid;gap:16px}
form.wa label{font-size:12px;font-weight:600;letter-spacing:.05em;color:rgba(255,255,255,.55);text-transform:uppercase;display:grid;gap:7px}
form.wa input,form.wa select,form.wa textarea{font:inherit;font-size:15px;color:#fff;background:var(--black);border:1px solid rgba(255,255,255,.12);border-radius:6px;padding:12px 14px;text-transform:none;letter-spacing:0}
form.wa input:focus,form.wa select:focus,form.wa textarea:focus{outline:none;border-color:var(--gold)}
form.wa .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
form.wa small{color:rgba(255,255,255,.45);font-size:12.5px}

/* CTA STRIP */
.cta{background:var(--gold);color:#fff}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:44px;padding-bottom:44px;flex-wrap:wrap}
.cta h3{font-size:26px;font-weight:900;letter-spacing:-.02em}
.cta .btn{background:#fff;color:var(--black)}

/* FOOTER */
footer{background:var(--black);color:rgba(255,255,255,.55);padding:64px 0 28px;font-size:14px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:40px}
.f-grid h5{color:#fff;font-size:13px;letter-spacing:.15em;text-transform:uppercase;margin-bottom:16px}
.f-grid li{margin-bottom:9px}.f-grid a:hover{color:var(--gold-light)}
.social{display:flex;gap:10px;margin-top:20px}
.social a{width:40px;height:40px;border-radius:8px;border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;transition:all var(--t)}
.social a:hover{border-color:var(--gold);background:rgba(184,149,90,.12)}
.social svg{width:18px;height:18px;fill:#fff}
.f-bottom{border-top:1px solid rgba(255,255,255,.07);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px}

/* FLOATING WHATSAPP */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:120;width:60px;height:60px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 10px 30px -6px rgba(0,0,0,.45);transition:transform var(--t)}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#fff}

/* REVEAL */
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

/* RESPONSIVE */
@media (max-width:1000px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .fleet{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
}
@media (max-width:860px){
  .wrap{padding:0 20px}
  .burger{display:block}
  .menu{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--black);padding:8px 20px 20px;border-bottom:1px solid rgba(255,255,255,.08);display:none}
  .menu.open{display:flex}
  .menu a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:16px}
  .btn-nav{text-align:center;margin-top:12px;border-bottom:0!important}
  .hero{padding:120px 0 64px}
  .hero .wrap,.split,.proof,.about,.contact,.band,.lines{grid-template-columns:1fr}
  .band{padding:36px 24px}
  .split .ph{min-height:280px}
  .hero-media{aspect-ratio:16/11}
  section.s{padding:68px 0}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery .ph.wide{grid-column:span 2}
  .f-grid{grid-template-columns:1fr}
  form.wa .row{grid-template-columns:1fr}
}
@media (max-width:520px){
  .cards,.fleet{grid-template-columns:1fr}
  .card.academy{grid-column:auto}
  .stat b{font-size:30px}
  .gallery{grid-template-columns:1fr}.gallery .ph.wide{grid-column:auto}
}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}