/* =========================================================
   Roca Proyectos S.A.S. — hoja de estilos
   ========================================================= */
:root{
  --ink:#0F1C26; --ink2:#16293A; --ink3:#1E3A52;
  --steel:#4E7396; --steel-l:#7C9CBB;
  --red:#C4161C; --red-d:#9E1015;
  --sand:#F5F3F0; --paper:#fff; --line:#E4E0D9; --muted:#5C6771;
  --wa:#1FA855;
  --wrap:1180px; --r:4px;
  --sh:0 1px 2px rgba(15,28,38,.05),0 8px 24px -12px rgba(15,28,38,.25);
  --sh-h:0 2px 4px rgba(15,28,38,.06),0 18px 40px -18px rgba(15,28,38,.4);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font:400 17px/1.65 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:"Barlow Condensed",Impact,"Arial Narrow",sans-serif;
  font-weight:700;line-height:1.04;letter-spacing:.005em;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2.6rem,6.2vw,4.6rem);text-transform:uppercase}
h2{font-size:clamp(2rem,4.2vw,3.1rem);text-transform:uppercase}
h3{font-size:clamp(1.3rem,2.2vw,1.6rem)}
p{margin:0 0 1.1em}
.wrap{width:min(100% - 40px,var(--wrap));margin-inline:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:10px 16px}
:focus-visible{outline:3px solid var(--steel);outline-offset:2px}

/* ---------- Header ---------- */
.hdr{position:sticky;top:0;z-index:50;background:rgba(15,28,38,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.09)}
.hdr-in{display:flex;align-items:center;gap:24px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:0 0 auto}
.brand img{width:46px;height:auto}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-family:"Barlow Condensed",sans-serif;font-size:1.42rem;letter-spacing:.09em;color:#fff}
.brand-txt i{font-style:normal;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-l)}
.nav{margin-left:auto;display:flex;align-items:center;gap:26px}
.nav a{color:#D9E1E8;text-decoration:none;font-size:.83rem;font-weight:500;letter-spacing:.04em;
  text-transform:uppercase;padding:6px 0;border-bottom:2px solid transparent;transition:.2s;white-space:nowrap}
.nav a:hover{color:#fff;border-color:var(--red)}
.nav a.on{color:#fff;border-color:var(--red)}
.nav .nav-cta{background:var(--red);color:#fff;padding:10px 18px;border:0;border-radius:var(--r)}
.nav .nav-cta:hover{background:var(--red-d)}
.burger{display:none;margin-left:auto;background:none;border:0;padding:10px;cursor:pointer}
.burger span{display:block;width:26px;height:2px;background:#fff;margin:5px 0;transition:.25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:1080px){
  .nav{position:fixed;inset:78px 0 auto;background:var(--ink);flex-direction:column;align-items:stretch;
    gap:0;padding:8px 20px 26px;transform:translateY(-140%);transition:transform .3s;max-height:calc(100vh - 78px);overflow:auto}
  .nav.open{transform:none}
  .nav a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:.95rem}
  .nav .nav-cta{margin-top:16px;text-align:center;border-radius:var(--r)}
  .burger{display:block}
}
@media(max-width:560px){
  .hdr-in{gap:10px;min-height:70px}
  .nav{inset:70px 0 auto}
  .brand img{width:36px}
  .brand-txt b{font-size:1.1rem;letter-spacing:.055em}
  .brand-txt i{font-size:.55rem;letter-spacing:.1em}
  .burger{padding:8px 0 8px 8px}
  .hero-in{padding:74px 0 60px}
  section{padding:62px 0}
  .form-card{padding:22px 18px}
}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font:600 .9rem/1 Inter,sans-serif;letter-spacing:.03em;text-transform:uppercase;
  padding:16px 26px;border-radius:var(--r);text-decoration:none;border:2px solid transparent;
  cursor:pointer;transition:.2s}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-d);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink3);transform:translateY(-2px)}
.btn-ghost{border-color:currentColor;color:inherit;background:transparent}
.btn-ghost:hover{background:rgba(0,0,0,.05)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--sand);transform:translateY(-2px)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:#178A45;transform:translateY(-2px)}
.btn-block{width:100%}
.btns{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:var(--ink);overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,28,38,.94) 0%,rgba(15,28,38,.82) 42%,rgba(15,28,38,.42) 100%)}
.hero-in{position:relative;z-index:2;padding:104px 0 88px}
.hero-in>*{max-width:840px}
.hero.sm .hero-in{padding:74px 0 62px}
.kicker{font:600 .78rem/1.4 Inter,sans-serif;letter-spacing:.19em;text-transform:uppercase;
  color:var(--red);margin:0 0 18px;display:flex;align-items:center;gap:12px}
.kicker::before{content:"";width:34px;height:2px;background:var(--red);display:inline-block}
.hero .kicker{color:#fff}
.hero .kicker::before{background:var(--red)}
.hero h1{margin-bottom:20px}
.hero .lede{font-size:1.16rem;color:#D5DEE6;max-width:64ch}
.hero .btns{margin-top:32px}

/* ---------- Franja de cifras ---------- */
.stats{background:var(--ink2);color:#fff;border-top:3px solid var(--red)}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.stat{padding:30px 22px;border-right:1px solid rgba(255,255,255,.1)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:"Barlow Condensed",sans-serif;font-size:2.5rem;line-height:1;color:#fff}
.stat span{font-size:.79rem;letter-spacing:.05em;color:#9FB3C4;text-transform:uppercase;display:block;margin-top:7px}
@media(max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid rgba(255,255,255,.1)}
  .stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.1)}
  .stat:nth-child(even){border-right:0}}

/* ---------- Secciones ---------- */
section{padding:88px 0}
section.tight{padding:64px 0}
.sand{background:var(--sand)}
.dark{background:var(--ink);color:#fff}
.dark .lede,.dark p{color:#CBD6DF}
.sec-head{max-width:74ch;margin-bottom:46px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .kicker{justify-content:center}
.lede{font-size:1.08rem;color:var(--muted)}
.dark .sec-head .lede{color:#B8C6D2}

/* ---------- Grids y tarjetas ---------- */
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;
  position:relative;transition:.25s;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--red);
  transform:scaleX(0);transform-origin:left;transition:transform .3s}
.card:hover{box-shadow:var(--sh-h);transform:translateY(-3px)}
.card:hover::before{transform:scaleX(1)}
.card h3{margin-bottom:10px}
.card p{margin:0;font-size:.97rem;color:var(--muted)}
.card ul{margin:14px 0 0;padding-left:18px;font-size:.94rem;color:var(--muted)}
.card ul li{margin-bottom:6px}
.card .num{font-family:"Barlow Condensed",sans-serif;font-size:1.05rem;color:var(--red);
  letter-spacing:.14em;display:block;margin-bottom:8px}
.dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14);color:#fff}
.dark .card p,.dark .card ul{color:#B8C6D2}

/* Tarjeta de proyecto */
.proj{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;transition:.25s}
.proj:hover{box-shadow:var(--sh-h);transform:translateY(-3px)}
.proj-img{aspect-ratio:4/3;overflow:hidden;background:var(--ink2)}
.proj-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.proj:hover .proj-img img{transform:scale(1.05)}
.proj-body{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column}
.proj-body h3{font-size:1.28rem;margin-bottom:6px}
.tagline{font-size:.74rem;letter-spacing:.13em;text-transform:uppercase;color:var(--steel);
  font-weight:600;margin:0 0 10px}
.proj-body p{font-size:.94rem;color:var(--muted);margin:0}
.proj-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:.82rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 14px}
.proj-meta b{color:var(--ink);font-weight:600}

/* Lista con vistos */
.ticks{list-style:none;margin:0 0 24px;padding:0}
.ticks li{position:relative;padding-left:30px;margin-bottom:11px;font-size:.98rem}
.ticks li::before{content:"";position:absolute;left:0;top:.42em;width:15px;height:9px;
  border-left:2.5px solid var(--red);border-bottom:2.5px solid var(--red);transform:rotate(-45deg)}
.dark .ticks li{color:#CBD6DF}

/* Split imagen + texto */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split.rev{grid-template-columns:1fr 1.05fr}
.split img{border-radius:var(--r)}
@media(max-width:900px){.split,.split.rev{grid-template-columns:1fr;gap:34px}}

/* Franja destacada */
.band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.band-bg{position:absolute;inset:0}
.band-bg img{width:100%;height:100%;object-fit:cover;opacity:.28}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,28,38,.95),rgba(15,28,38,.6))}
.band .wrap{position:relative;z-index:2}
.alert-tag{display:inline-flex;align-items:center;gap:9px;background:var(--red);color:#fff;
  font:600 .74rem/1 Inter,sans-serif;letter-spacing:.14em;text-transform:uppercase;
  padding:9px 14px;border-radius:2px;margin-bottom:20px}

/* Pasos */
.steps{counter-reset:s;display:grid;gap:22px;grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{border-top:3px solid var(--line);padding-top:20px;counter-increment:s}
.step::before{content:"0" counter(s);font-family:"Barlow Condensed",sans-serif;font-size:1.7rem;
  color:var(--red);display:block;line-height:1;margin-bottom:8px}
.step h3{font-size:1.16rem;margin-bottom:6px}
.step p{font-size:.94rem;color:var(--muted);margin:0}

/* Chips de soluciones */
.chips{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.chips{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.chips{grid-template-columns:1fr}}
.chip{background:#fff;border:1px solid var(--line);border-left:3px solid var(--red);
  padding:18px 20px;border-radius:var(--r);transition:.2s}
.chip:hover{box-shadow:var(--sh);transform:translateX(3px)}
.chip b{display:block;font-family:"Barlow Condensed",sans-serif;font-size:1.22rem;letter-spacing:.01em}
.chip span{font-size:.9rem;color:var(--muted)}

/* Perfil */
.profile{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
@media(max-width:900px){.profile{grid-template-columns:1fr;gap:32px}}
.cred{border-left:3px solid var(--red);padding:4px 0 4px 20px;margin:26px 0}
.cred b{display:block;font-size:.95rem}
.cred span{font-size:.9rem;color:var(--muted)}

/* Tabla de experiencia */
.tbl{width:100%;border-collapse:collapse;font-size:.94rem}
.tbl th{text-align:left;font:600 .74rem/1 Inter,sans-serif;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);padding:0 14px 12px 0;border-bottom:2px solid var(--ink)}
.tbl td{padding:15px 14px 15px 0;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:hover td{background:rgba(78,115,150,.05)}
.tbl b{font-weight:600}
.tbl .yr{white-space:nowrap;color:var(--red);font-weight:600}
.tbl-scroll{overflow-x:auto}

/* ---------- Formulario ---------- */
.form-band{background:var(--sand);border-top:1px solid var(--line)}
.form-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
@media(max-width:900px){.form-grid{grid-template-columns:1fr;gap:36px}}
.form-copy h2{margin-bottom:14px}
.form-direct{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:var(--sh)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
@media(max-width:560px){.f2{grid-template-columns:1fr}}
.field{margin:0 0 16px}
.field label{display:block;font-size:.82rem;font-weight:600;margin-bottom:6px;letter-spacing:.01em}
.field label span{color:var(--red)}
.field label em{font-style:normal;color:var(--muted);font-weight:400}
.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid #CFCAC2;
  border-radius:var(--r);font:400 .97rem/1.4 Inter,sans-serif;background:#fff;color:var(--ink);transition:.15s}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--steel);
  box-shadow:0 0 0 3px rgba(78,115,150,.16);outline:0}
.check{margin:6px 0 20px;font-size:.86rem;color:var(--muted)}
.check label{display:flex;gap:11px;align-items:flex-start;cursor:pointer}
.check input{margin-top:3px;width:17px;height:17px;accent-color:var(--red);flex:0 0 auto}
.check a{color:var(--ink3);text-underline-offset:3px}
.micro{font-size:.79rem;color:var(--muted);margin:14px 0 0;text-align:center}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}

/* Aviso de envío */
.notice{background:#fff;border:1px solid var(--line);border-left:4px solid var(--red);
  padding:24px 26px;border-radius:var(--r);margin-bottom:30px}
.notice.ok{border-left-color:var(--wa)}
.notice h2{font-size:1.6rem;margin-bottom:8px}
.notice p{margin:0;color:var(--muted)}

/* ---------- Footer ---------- */
.ftr{background:var(--ink);color:#B8C6D2;padding:64px 0 0;font-size:.94rem}
.ftr-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:44px}
@media(max-width:900px){.ftr-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:560px){.ftr-grid{grid-template-columns:1fr}}
.ftr h3{color:#fff;font-size:1.05rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr li{margin-bottom:9px}
.ftr a{text-decoration:none;transition:.2s}
.ftr a:hover{color:#fff}
.ftr-logo{width:78px;margin-bottom:18px}
.ftr-txt{line-height:1.6;max-width:38ch}
.ftr-txt b{color:#fff}
.ftr-legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid rgba(255,255,255,.11);padding:20px 0;font-size:.83rem;color:#7E92A3}
.ftr-legal p{margin:0}

/* WhatsApp flotante */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;
  background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.28);
  transition:.2s}
.wa-float:hover{transform:scale(1.07)}

/* Animación de entrada */
.rv{opacity:0;transform:translateY(18px)}
.rv.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
@media(prefers-reduced-motion:reduce){
  .rv,.rv.in{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* Breadcrumb / migas */
.crumbs{font-size:.8rem;color:#8FA3B3;margin-bottom:18px;letter-spacing:.04em}
.crumbs a{text-decoration:none;color:#8FA3B3}
.crumbs a:hover{color:#fff}

/* Bloque de texto legal */
.legal{max-width:80ch}
.legal h2{font-size:1.7rem;margin-top:38px}
.legal h3{font-size:1.2rem;margin-top:26px}
.legal ul{padding-left:20px;color:var(--muted)}
.legal li{margin-bottom:8px}