/* =====================================================================
   Pronto — abastecimiento para obra
   Hoja de estilos principal. Paleta y tipografía de la marca:
   carbón / concreto / naranja de seguridad, Archivo + IBM Plex.
   ===================================================================== */

:root{
  --carbon:#101B2D;
  --carbon-2:#182740;
  --ink:#0B1420;
  --steel:#55677C;
  --steel-2:#8797A4;
  --concrete:#EEF1F4;
  --concrete-2:#F6F8FA;
  --line:#D9DFE6;
  --line-2:#EDF0F3;
  --paper:#FFFFFF;

  --accent:#FF5A1F;
  --accent-dk:#E44E14;
  --accent-lt:#FFEDE3;
  --teal:#00B4A6;
  --teal-lt:#DFF7F4;
  --yellow:#FFC300;
  --yellow-lt:#FFF6D6;
  --violet:#7C5CFC;
  --violet-lt:#EFEAFF;
  --blue:#2F80ED;
  --blue-lt:#E6F0FF;
  --signal:#E63262;
  --signal-lt:#FCE4EA;
  --ok:#25D366;
  --ok-dk:#1DA851;

  --r:4px;
  --r-lg:8px;
  --shadow-1:0 1px 2px rgba(16,27,45,.05),0 6px 18px rgba(16,27,45,.06);
  --shadow-2:0 22px 50px rgba(6,12,20,.38);

  --font-head:Archivo,system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1180px;
  --topbar-h:64px;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
html,body{margin:0;padding:0}
body{
  background:var(--concrete);
  color:var(--carbon);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:800;letter-spacing:-.025em;line-height:1.04;margin:0}
h1{font-size:clamp(2.35rem,5vw,3.9rem)}
h2{font-size:clamp(1.7rem,3vw,2.4rem)}
h3{font-size:1.08rem;font-weight:700;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
a{color:inherit}
button{font:inherit;cursor:pointer;color:inherit}
img,svg{display:block;max-width:100%}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:2px}
::selection{background:var(--accent);color:#fff}
section[id],[id]{scroll-margin-top:calc(var(--topbar-h) + 12px)}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media(min-width:760px){.wrap{padding:0 28px}}
.mono{font-family:var(--font-mono);font-size:.84rem;letter-spacing:.01em}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--carbon);color:#fff;padding:10px 14px;border-radius:var(--r);text-decoration:none;font-weight:600}
.skip:focus{top:12px}

/* íconos del sprite */
.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.i.fill{fill:currentColor;stroke:none}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--accent);color:#fff;border:0;border-radius:var(--r);
  padding:12px 20px;min-height:46px;font-weight:600;font-size:.95rem;line-height:1.2;
  text-decoration:none;white-space:nowrap;
  transition:background .15s,border-color .15s,color .15s,transform .12s,box-shadow .15s;
}
.btn:hover{background:var(--accent-dk)}
.btn:active{transform:translateY(1px)}
.btn .i{width:18px;height:18px}
.btn.block{width:100%}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--carbon)}
.btn.ghost:hover{border-color:var(--carbon);background:#fff}
.btn.dark{background:var(--carbon);color:#fff}
.btn.dark:hover{background:var(--carbon-2)}
.btn.light{background:#fff;color:var(--carbon)}
.btn.light:hover{background:var(--concrete)}
.btn.wa{background:var(--ok);color:#fff}
.btn.wa:hover{background:var(--ok-dk)}
.btn.sm{padding:8px 14px;min-height:38px;font-size:.86rem}
.btn[disabled]{opacity:.7;cursor:progress;transform:none}
.spin{width:16px;height:16px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:rot .7s linear infinite}
@keyframes rot{to{transform:rotate(360deg)}}

/* ---------- etiquetas y encabezados de sección ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:.74rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);
}
.eyebrow::before{content:"";width:18px;height:3px;background:currentColor;transform:skewX(-14deg)}
.eyebrow.teal{color:var(--teal)}
.eyebrow.yellow{color:var(--yellow)}
.sec-head{display:grid;gap:14px;max-width:720px}
.sec-head h2{max-width:22ch}
.sec-head .sub{color:var(--steel);font-size:1.02rem;max-width:58ch}
.dark .sec-head .sub{color:#B9C4CD}

/* ---------- barra superior ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(16,27,45,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  color:#fff;border-bottom:1px solid rgba(255,255,255,.06);
  transition:box-shadow .2s;
}
.topbar.scrolled{box-shadow:0 8px 28px rgba(0,0,0,.28)}
.topbar .wrap{display:flex;align-items:center;gap:14px;height:var(--topbar-h)}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;flex:none}
.brand svg{width:28px;height:28px}
.brand b{font-family:var(--font-head);font-weight:800;font-size:1.32rem;letter-spacing:-.03em;line-height:1}
.brand small{display:none;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-2);padding-left:12px;border-left:1px solid rgba(255,255,255,.14)}
@media(min-width:1100px){.brand small{display:block}}
.nav{display:none;gap:2px;margin-left:10px}
@media(min-width:900px){.nav{display:flex}}
.nav a{color:#C2CDD6;text-decoration:none;font-size:.9rem;font-weight:500;padding:8px 12px;border-radius:var(--r);transition:color .15s,background .15s}
.nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.topbar .actions{margin-left:auto;display:flex;gap:8px;align-items:center}
.topbar .actions .btn.wa .label{display:none}
@media(min-width:560px){.topbar .actions .btn.wa .label{display:inline}}
.topbar .actions .btn.wa{padding:8px 12px}
@media(min-width:560px){.topbar .actions .btn.wa{padding:8px 14px}}
.topbar .actions .to-form{display:none}
@media(min-width:900px){.topbar .actions .to-form{display:inline-flex}}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--carbon);color:#fff;
  padding:56px 0 84px;
}
@media(min-width:1020px){.hero{padding:72px 0 96px}}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(760px 420px at 82% -10%,rgba(255,90,31,.22),transparent 68%),
    radial-gradient(520px 320px at 8% 100%,rgba(0,180,166,.14),transparent 70%),
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  -webkit-mask-image:radial-gradient(ellipse at 40% 30%,#000 35%,rgba(0,0,0,.35) 100%);
  mask-image:radial-gradient(ellipse at 40% 30%,#000 35%,rgba(0,0,0,.35) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:9px;
  background:repeating-linear-gradient(115deg,var(--accent) 0 20px,var(--teal) 20px 40px,var(--yellow) 40px 60px,var(--carbon) 60px 78px);
}
.hero .wrap{position:relative;display:grid;gap:44px;align-items:start}
@media(min-width:1020px){.hero .wrap{grid-template-columns:minmax(0,1fr) 560px;gap:56px}}
.hero-copy{padding-top:6px}
.hero h1{margin-top:18px;max-width:13ch}
.hero .lead{margin-top:20px;max-width:48ch;color:#C2CDD6;font-size:1.08rem}
@media(min-width:1020px){.hero .lead{font-size:1.12rem}}

.route{margin:36px 0 0;display:grid;max-width:470px}
.route div{display:grid;grid-template-columns:112px 1fr;gap:16px;padding:13px 0;border-top:1px solid rgba(255,255,255,.14);align-items:baseline}
.route div:last-child{border-bottom:1px solid rgba(255,255,255,.14)}
.route dt{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.route div:nth-child(2) dt{color:var(--teal)}
.route div:nth-child(3) dt{color:var(--yellow)}
.route dd{margin:0;color:#E3E9EE;font-size:.96rem;font-weight:500}

.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
@media(min-width:1020px){.hero-cta{display:none}}

.hero-trust{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px 22px;color:#B9C4CD;font-size:.86rem}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust .i{width:17px;height:17px;color:var(--teal)}

/* ---------- formulario (ticket) ---------- */
.ticket{
  position:relative;background:var(--paper);color:var(--carbon);
  border-radius:var(--r-lg);box-shadow:var(--shadow-2);overflow:hidden;
}
.ticket::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent),var(--teal) 60%,var(--yellow))}
.thead{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:22px 22px 16px;border-bottom:1px solid var(--line)}
.thead h2{font-size:1.2rem;letter-spacing:-.02em}
.thead p{margin-top:4px;font-size:.84rem;color:var(--steel)}
.badge{
  flex:none;display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;
  color:#00786E;background:var(--teal-lt);padding:6px 10px;border-radius:99px;white-space:nowrap;margin-top:2px;
}
.badge .i{width:13px;height:13px}
.tbody{padding:20px 22px 24px}
@media(max-width:420px){.thead,.tbody{padding-left:16px;padding-right:16px}}

.fs{border:0;padding:0;margin:0 0 22px;min-width:0}
.fs legend{display:flex;align-items:center;gap:10px;padding:0;margin-bottom:12px;font-family:var(--font-head);font-weight:700;font-size:1rem;letter-spacing:-.01em}
.fs legend .k{width:24px;height:24px;border-radius:50%;background:var(--carbon);color:#fff;font-family:var(--font-mono);font-size:.74rem;display:grid;place-items:center;flex:none}
.fs legend .opt{font-family:var(--font-body);font-weight:400;font-size:.8rem;color:var(--steel);margin-left:auto}

.field{margin-bottom:14px;min-width:0}
.field label{display:flex;align-items:baseline;gap:6px;font-size:.84rem;font-weight:600;margin-bottom:6px}
.field label .opt{font-weight:400;color:var(--steel);font-size:.76rem}
.field input,.field select,.field textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:var(--r);
  background:#FBFCFC;font-size:.95rem;color:var(--carbon);min-height:44px;
  transition:border-color .15s,box-shadow .15s,background .15s;
}
.field select{appearance:none;-webkit-appearance:none;padding-right:38px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2355677C' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center}
.field input:hover,.field select:hover{border-color:#BFC8D2}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(255,90,31,.16)}
.field input::placeholder{color:#9AA7B3}
.field .fmsg{display:none;margin-top:5px;font-size:.78rem;color:#B5123F}
.field.invalid input,.field.invalid select{border-color:var(--signal);background:#FFF7F9}
.field.invalid .fmsg{display:block}
.field .fhint{margin-top:5px;font-size:.76rem;color:var(--steel)}
.duo{display:grid;grid-template-columns:1fr;gap:0 12px}
@media(min-width:480px){.duo{grid-template-columns:1fr 1fr}}
.hint{font-size:.79rem;color:var(--steel);margin-top:6px}

/* ítems */
.items{border:1px solid var(--line);border-radius:var(--r-lg);padding:12px;background:var(--concrete-2)}
.itemhead{display:none;gap:10px;padding:0 0 8px;font-size:.76rem;font-weight:600;color:var(--steel);letter-spacing:.02em;text-transform:uppercase}
.itemrow{position:relative;display:grid;grid-template-columns:1fr;gap:8px;margin-bottom:10px;padding:12px 12px 12px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
@media(min-width:620px){
  .itemhead{display:grid;grid-template-columns:1fr 140px 96px 38px}
  .itemrow{grid-template-columns:1fr 140px 96px 38px;gap:10px;align-items:start;padding:0;border:0;background:none;margin-bottom:8px}
}
.itemrow:last-of-type{margin-bottom:10px}
.itemrow .cell{min-width:0}
.itemrow .lbl{display:block;font-size:.76rem;font-weight:600;color:var(--steel);margin-bottom:4px}
@media(min-width:620px){.itemrow .lbl{display:none}}
.itemrow input,.itemrow select{width:100%;padding:10px 11px;min-height:42px;border:1px solid var(--line);border-radius:var(--r);background:#fff;font-size:.92rem;transition:border-color .15s,box-shadow .15s}
.itemrow select{appearance:none;-webkit-appearance:none;padding-right:32px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2355677C' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center}
.itemrow input:focus,.itemrow select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,90,31,.16)}
.itemrow.invalid input.i-d,.itemrow.invalid input.i-c{border-color:var(--signal);background:#FFF7F9}
.itemrow .qty{display:grid;grid-template-columns:1fr 1fr;gap:8px}
@media(min-width:620px){.itemrow .qty{display:contents}}
.del{
  display:inline-grid;place-items:center;width:100%;height:42px;
  border:1px solid var(--line);background:#fff;border-radius:var(--r);color:var(--steel);
  transition:border-color .15s,color .15s,background .15s;
}
.del .i{width:16px;height:16px}
.del:hover{border-color:var(--signal);color:var(--signal);background:var(--signal-lt)}
@media(max-width:619px){
  .del{position:absolute;top:6px;right:6px;width:36px;height:36px;border-color:transparent;background:transparent}
  .itemrow .cell.desc{padding-right:40px}
}
.additem{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;
  border:1px dashed #BFC8D2;background:#fff;border-radius:var(--r);padding:10px 14px;min-height:42px;
  font-size:.9rem;font-weight:600;color:var(--carbon);transition:border-color .15s,color .15s,background .15s;
}
.additem .i{width:16px;height:16px}
.additem:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-lt)}

/* separador y zona de archivo */
.sep{display:flex;align-items:center;gap:12px;margin:18px 0 12px;color:var(--steel);font-size:.82rem;font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase}
.sep::before,.sep::after{content:"";flex:1;height:1px;background:var(--line)}
.drop{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center;
  border:1.5px dashed #BFC8D2;border-radius:var(--r-lg);padding:22px 16px 20px;background:var(--concrete-2);cursor:pointer;
  transition:border-color .15s,background .15s,box-shadow .15s;
}
.drop:hover,.drop:focus-within{border-color:var(--accent);background:#fff}
.drop.over{border-color:var(--accent);background:var(--accent-lt);box-shadow:0 0 0 4px rgba(255,90,31,.14)}
.drop .ico{width:44px;height:44px;border-radius:var(--r);display:grid;place-items:center;background:#fff;border:1px solid var(--line);color:var(--carbon);margin-bottom:8px;transition:color .15s,border-color .15s}
.drop:hover .ico,.drop.over .ico{color:var(--accent);border-color:var(--accent)}
.drop .ico .i{width:22px;height:22px}
.drop strong{font-size:.95rem;font-weight:600}
.drop strong u{color:var(--accent);text-decoration-thickness:1.5px;text-underline-offset:3px}
.drop p{font-size:.8rem;color:var(--steel)}
.drop input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.filechip{display:none;align-items:center;gap:12px;margin-top:10px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
.filechip.on{display:flex}
.filechip .fico{width:38px;height:38px;border-radius:var(--r);background:var(--teal-lt);color:#00786E;display:grid;place-items:center;flex:none}
.filechip .fmeta{min-width:0;flex:1}
.filechip .fname{font-weight:600;font-size:.88rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.filechip .fsize{font-size:.76rem;color:var(--steel);font-family:var(--font-mono)}
.filechip .del{width:34px;height:34px;flex:none}

/* consentimiento, alertas, honeypot */
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.82rem;color:var(--steel);margin:6px 0 16px;line-height:1.45}
.consent input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--accent);flex:none}
.consent a{color:var(--carbon);font-weight:600}
.consent.invalid{color:#B5123F}
.alert{
  display:none;gap:10px;align-items:flex-start;
  background:var(--signal-lt);border-left:3px solid var(--signal);color:#96123E;
  padding:11px 12px;border-radius:var(--r);font-size:.86rem;margin-bottom:14px;
}
.alert.on{display:flex}
.alert .i{width:18px;height:18px;flex:none;margin-top:1px}
.alert.info{background:var(--yellow-lt);border-color:var(--yellow);color:#6B4D00}
.hp{position:absolute!important;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.submit-hint{margin-top:10px;font-size:.79rem;color:var(--steel);text-align:center}

/* estado enviado */
.done{display:none;padding:40px 22px 36px;text-align:center}
.done.on{display:block}
.stamp{width:60px;height:60px;margin:0 auto;background:var(--accent);color:#fff;border-radius:50%;display:grid;place-items:center}
.stamp .i{width:28px;height:28px;stroke-width:2.6}
@media(prefers-reduced-motion:no-preference){.done.on .stamp{animation:pop .5s cubic-bezier(.2,1.5,.4,1)}}
@keyframes pop{from{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}
.done h3{margin-top:18px;font-size:1.25rem}
.done .code{font-family:var(--font-head);font-weight:800;font-size:2.1rem;letter-spacing:-.02em;margin:10px 0 4px;color:var(--carbon)}
.done .code-lbl{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.done .msg{color:var(--steel);font-size:.94rem;max-width:40ch;margin:12px auto 0}
.done .acts{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px}
.done .note{margin-top:16px;font-size:.8rem;color:var(--steel)}

/* ---------- franja de valor ---------- */
.strip{background:var(--paper);border-bottom:1px solid var(--line)}
.strip .wrap{display:grid;grid-template-columns:1fr;gap:0}
@media(min-width:620px){.strip .wrap{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1020px){.strip .wrap{grid-template-columns:repeat(4,1fr)}}
.strip .item{display:flex;gap:14px;align-items:flex-start;padding:22px 0;border-bottom:1px solid var(--line-2)}
.strip .item:last-child{border-bottom:0}
@media(min-width:620px){
  .strip .item{padding:26px 22px 26px 0;border-bottom:0}
  .strip .item:nth-child(odd){border-right:1px solid var(--line-2)}
  .strip .item:nth-child(even){padding-left:22px}
}
@media(min-width:1020px){
  .strip .item{padding:28px 22px;border-right:1px solid var(--line-2)}
  .strip .item:first-child{padding-left:0}
  .strip .item:last-child{border-right:0;padding-right:0}
  .strip .item:nth-child(even){padding-left:22px}
}
.strip h3{font-size:.98rem}
.strip p{font-size:.88rem;color:var(--steel);margin-top:3px}

/* cajas de ícono */
.ico{width:42px;height:42px;border-radius:var(--r);display:grid;place-items:center;flex:none;background:var(--accent-lt);color:var(--accent)}
.ico .i{width:22px;height:22px}
.ico.teal{background:var(--teal-lt);color:#00786E}
.ico.yellow{background:var(--yellow-lt);color:#8A6200}
.ico.violet{background:var(--violet-lt);color:#5B3DD6}
.ico.blue{background:var(--blue-lt);color:#1B5FC4}
.ico.dark{background:rgba(255,255,255,.08);color:#fff}

/* ---------- secciones ---------- */
.band{padding:72px 0}
@media(min-width:760px){.band{padding:92px 0}}
.band.alt{background:var(--paper)}
.band.dark{position:relative;background:var(--carbon-2);color:#fff;overflow:hidden}
.band.dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(ellipse at 70% 40%,#000 20%,transparent 80%);
  mask-image:radial-gradient(ellipse at 70% 40%,#000 20%,transparent 80%);
}
.band.dark .wrap{position:relative}

/* cómo funciona */
.steps{position:relative;margin-top:44px;display:grid;gap:18px}
@media(min-width:760px){.steps{grid-template-columns:repeat(3,1fr);gap:24px}}
.step{
  position:relative;background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--accent);
  border-radius:var(--r-lg);padding:22px 22px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s,box-shadow .2s;
}
.step:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(16,27,45,.10)}
.step:nth-child(2){border-top-color:var(--teal)}
.step:nth-child(3){border-top-color:var(--yellow)}
.step .top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.step .num{font-family:var(--font-head);font-weight:800;font-size:2.6rem;line-height:1;color:var(--accent);letter-spacing:-.04em}
.step:nth-child(2) .num{color:var(--teal)}
.step:nth-child(3) .num{color:var(--yellow)}
.step h3{margin-top:16px;font-size:1.12rem}
.step p{margin-top:8px;font-size:.94rem;color:var(--steel)}
.step .tag{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--steel);padding-top:12px;border-top:1px solid var(--line-2);width:100%}
.step .tag .i{width:14px;height:14px}

/* servicios */
.services{margin-top:44px;display:grid;gap:16px}
@media(min-width:620px){.services{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1020px){.services{grid-template-columns:repeat(3,1fr);gap:20px}}
.svc{
  position:relative;background:var(--concrete-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  display:flex;flex-direction:column;gap:12px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.svc:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(16,27,45,.10);border-color:#C9D2DB}
.svc .top{display:flex;align-items:center;gap:12px}
.svc h3{font-size:1.1rem}
.svc p{font-size:.93rem;color:var(--steel)}
.svc .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:6px}
.svc .chips small{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--steel);width:100%;margin-bottom:2px}
.chip{display:inline-block;padding:4px 10px;border-radius:99px;font-size:.78rem;font-weight:500;background:#fff;border:1px solid var(--line);color:var(--carbon);white-space:nowrap}
.svc.cta{background:var(--carbon);color:#fff;border-color:var(--carbon);justify-content:center;align-items:flex-start;gap:14px}
.svc.cta p{color:#B9C4CD}
.svc.cta h3{font-size:1.25rem;max-width:16ch}

/* seguimiento */
.track{margin-top:40px;display:grid;gap:22px;align-items:start}
@media(min-width:900px){.track{grid-template-columns:minmax(0,1fr) 520px;gap:44px}}
.track-card{background:var(--paper);color:var(--carbon);border-radius:var(--r-lg);box-shadow:var(--shadow-2);padding:22px}
@media(min-width:480px){.track-card{padding:26px}}
.track-card .row{display:grid;grid-template-columns:1fr;gap:0 12px}
@media(min-width:480px){.track-card .row{grid-template-columns:1fr 1fr}}
.track-card .field input{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.04em}
.track-card .field input.wa{text-transform:none;letter-spacing:0}
.track-result{display:none;margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.track-result.on{display:block}
.track-result .head{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.track-result .head .cod{font-family:var(--font-head);font-weight:800;font-size:1.3rem;letter-spacing:-.02em}
.status{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:99px;font-size:.8rem;font-weight:600;white-space:nowrap}
.status::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.s-nuevo{background:#FFE3D6;color:#C43E00}
.s-revision{background:#FFF3C4;color:#7A5600}
.s-cotizacion{background:#DCEEFB;color:#1B5FC4}
.s-cotizado{background:#D7F5EE;color:#00786E}
.s-cerrado{background:#E6E8EA;color:var(--steel)}
.s-anulado{background:var(--signal-lt);color:#96123E}
.timeline{list-style:none;margin:18px 0 0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.timeline li{position:relative;text-align:center;font-size:.68rem;color:var(--steel-2);padding-top:18px;line-height:1.2}
.timeline li::before{content:"";position:absolute;top:5px;left:0;right:0;height:3px;background:var(--line)}
.timeline li::after{content:"";position:absolute;top:1px;left:50%;width:11px;height:11px;margin-left:-5.5px;border-radius:50%;background:#fff;border:3px solid var(--line);box-sizing:border-box}
.timeline li.hit{color:var(--carbon);font-weight:600}
.timeline li.hit::before,.timeline li.hit::after{background:var(--teal);border-color:var(--teal)}
.timeline li.now::after{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,90,31,.2)}
.timeline li.now::before{background:var(--teal)}
.timeline li.hit + li:not(.hit)::before{background:var(--line)}
.track-result dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px 20px;margin:18px 0 0;padding-top:16px;border-top:1px solid var(--line-2)}
.track-result dt{font-size:.74rem;color:var(--steel);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase}
.track-result dd{margin:2px 0 0;font-size:.92rem;font-weight:500}
.track-result .nota{margin-top:14px;padding:12px 14px;background:var(--concrete-2);border-left:3px solid var(--teal);border-radius:var(--r);font-size:.9rem}
.track-result .acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.track-side{display:grid;gap:16px}
.track-side .pt{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-top:1px solid rgba(255,255,255,.12)}
.track-side .pt:last-child{border-bottom:1px solid rgba(255,255,255,.12)}
.track-side h3{font-size:1rem;color:#fff}
.track-side p{font-size:.9rem;color:#B9C4CD;margin-top:3px}

/* preguntas frecuentes */
.faq{margin-top:40px;display:grid;gap:10px;max-width:860px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .15s,box-shadow .15s}
.faq details[open]{border-color:#C9D2DB;box-shadow:var(--shadow-1)}
.faq summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;cursor:pointer;font-family:var(--font-head);font-weight:700;font-size:1.02rem;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary .i{width:20px;height:20px;color:var(--steel);transition:transform .2s;flex:none}
.faq details[open] summary .i{transform:rotate(45deg);color:var(--accent)}
.faq .a{padding:0 20px 20px;color:var(--steel);font-size:.95rem;max-width:70ch}
.faq .a a{color:var(--carbon);font-weight:600}

/* cierre */
.close{position:relative;overflow:hidden;background:var(--carbon);color:#fff;padding:70px 0}
.close::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:repeating-linear-gradient(115deg,var(--accent) 0 20px,var(--teal) 20px 40px,var(--yellow) 40px 60px,var(--carbon) 60px 78px)}
.close::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(700px 360px at 90% 120%,rgba(255,90,31,.2),transparent 70%)}
.close .wrap{position:relative;display:grid;gap:26px;align-items:center}
@media(min-width:800px){.close .wrap{grid-template-columns:1fr auto}}
.close h2{max-width:20ch}
.close p{color:#BCC7D0;margin-top:12px;max-width:50ch}
.close .acts{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- pie ---------- */
footer.site{background:var(--ink);color:#8797A4;font-size:.88rem;padding:52px 0 26px}
footer .cols{display:grid;gap:30px}
@media(min-width:760px){footer .cols{grid-template-columns:1.4fr 1fr 1fr}}
footer .brand b{color:#fff}
footer .tag{margin-top:14px;max-width:38ch;color:#8797A4}
footer h4{font-family:var(--font-mono);font-weight:500;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:#C2CDD6;margin-bottom:14px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
footer a{color:#C2CDD6;text-decoration:none;display:inline-block;padding:3px 0}
footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
footer li{display:flex;gap:9px;align-items:flex-start}
footer li .i{width:16px;height:16px;color:var(--steel-2);margin-top:3px}
footer .legal{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-size:.8rem}

/* ---------- botón flotante de WhatsApp (celular) ---------- */
.fab{
  position:fixed;right:16px;bottom:16px;z-index:60;
  width:56px;height:56px;border-radius:50%;background:var(--ok);color:#fff;
  display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.28);
  transition:transform .15s,background .15s;
}
.fab:hover{background:var(--ok-dk);transform:translateY(-2px)}
.fab .i{width:28px;height:28px}
@media(min-width:900px){.fab{display:none}}

/* ---------- aparición al hacer scroll (solo con JS y sin reducir movimiento) ---------- */
@media(prefers-reduced-motion:no-preference){
  html.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
  html.js .reveal.in{opacity:1;transform:none}
  html.js .reveal[data-delay="1"]{transition-delay:.08s}
  html.js .reveal[data-delay="2"]{transition-delay:.16s}
  html.js .reveal[data-delay="3"]{transition-delay:.24s}
}

/* ---------- páginas secundarias (privacidad, 404) ---------- */
.page{padding:56px 0 80px}
.page .wrap{max-width:820px}
.page h1{font-size:clamp(1.9rem,4vw,2.8rem)}
.page .meta{margin-top:10px;color:var(--steel);font-size:.9rem}
.prose{margin-top:34px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px}
@media(min-width:620px){.prose{padding:38px 40px}}
.prose h2{font-size:1.25rem;margin-top:30px}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:#2D3B4E;font-size:.97rem}
.prose p{margin-top:12px}
.prose ul{margin:12px 0 0;padding-left:22px}
.prose li{margin-top:6px}
.prose a{color:var(--carbon);font-weight:600}
.center{text-align:center}
.center h1{margin-top:18px}
.center p{margin-top:14px;color:var(--steel)}
.center .acts{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:26px}

@media print{.topbar,.fab,.close,footer.site{display:none}}