/* ==========================================================================
   KRUDO — landing de captura (beta cerrada)
   Mobile-first. Sin frameworks. Sin build. Un solo color de acento.
   ========================================================================== */

:root{
  --bg:      #0A0A0A;
  --bg-2:    #111111;
  --bg-3:    #171717;
  --line:    #262626;
  --line-2:  #333333;
  --txt:     #F4F4F4;
  --dim:     #9A9A9A;
  --dim-2:   #6E6E6E;
  --accent:  #FF3D00;
  --ink:     #0A0A0A;

  --wrap: 1120px;
  --pad: 20px;

  --font: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

*,*::before,*::after{ box-sizing:border-box; }

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:var(--font);
  font-size:17px;
  line-height:1.55;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

img{ max-width:100%; display:block; }
p{ margin:0 0 1em; }

a{ color:var(--txt); }

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

::selection{ background:var(--accent); color:var(--ink); }

.sr-only{
  position:absolute; 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:-9999px; top:0; z-index:100;
  background:var(--accent); color:var(--ink);
  padding:12px 16px; font-weight:800; text-decoration:none;
}
.skip:focus{ left:0; }

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}
.wrap--narrow{ max-width:720px; }

/* --------------------------------------------------------------- topbar -- */

.topbar{
  position:sticky; top:0; z-index:50;
  background:rgba(10,10,10,.88);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(8px);
  -webkit-backdrop-filter:saturate(140%) blur(8px);
}
.topbar__in{
  max-width:var(--wrap); margin:0 auto;
  padding:12px var(--pad);
  display:flex; align-items:center; gap:12px;
}
.brand{
  display:inline-flex; align-items:center; gap:9px;
  font-weight:900; letter-spacing:.14em; font-size:15px;
  text-decoration:none; text-transform:uppercase;
}
.brand__mark{ display:inline-flex; align-items:flex-end; gap:2px; height:15px; }
.brand__mark i{ width:3px; background:var(--txt); }
.brand__mark i:nth-child(1){ height:6px; }
.brand__mark i:nth-child(2){ height:11px; }
.brand__mark i:nth-child(3){ height:15px; background:var(--accent); }

.chip{
  font-family:var(--mono);
  font-size:10px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--accent);
  border:1px solid var(--accent);
  padding:3px 7px;
}
.topbar__cta{
  margin-left:auto;
  font-size:13px; font-weight:700; letter-spacing:.02em;
  text-decoration:none; color:var(--dim);
  border-bottom:1px solid var(--line-2);
  padding-bottom:2px;
}
.topbar__cta:hover{ color:var(--txt); border-color:var(--accent); }
@media (max-width:479px){ .chip{ display:none; } }

/* ------------------------------------------------------------ tipografía -- */

.display{
  margin:0 0 .28em;
  font-size:clamp(3.1rem, 15vw, 8.5rem);
  font-weight:900;
  line-height:.9;
  letter-spacing:-.035em;
  text-transform:uppercase;
}
.display .mark{
  /* subrayado pegado a la línea base: con line-height .9 un box-shadow
     inset se despega demasiado del texto */
  text-decoration:underline;
  text-decoration-color:var(--accent);
  text-decoration-thickness:.1em;
  text-underline-offset:.04em;
  text-decoration-skip-ink:none;
}
.display .dot{ color:var(--accent); }

.h2{
  margin:0 0 clamp(28px,5vw,44px);
  font-size:clamp(1.75rem, 6.4vw, 3rem);
  font-weight:900;
  line-height:1.02;
  letter-spacing:-.025em;
  text-transform:uppercase;
}
.h2--big{
  font-size:clamp(2rem, 7.6vw, 3.6rem);
  margin-bottom:18px;
  text-transform:none;
  letter-spacing:-.03em;
  line-height:1.05;
}

.eyebrow{
  margin:0 0 18px;
  font-family:var(--mono);
  font-size:11px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--dim);
}

.lead{
  max-width:56ch;
  font-size:clamp(1.03rem, 3.6vw, 1.3rem);
  line-height:1.5;
  color:var(--dim);
}
.lead--sm{ font-size:clamp(.98rem, 3.2vw, 1.1rem); }

/* ---------------------------------------------------------------- botón -- */

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  min-height:54px; padding:0 26px;
  background:var(--accent); color:var(--ink);
  font-family:inherit; font-size:15px; font-weight:900;
  letter-spacing:.07em; text-transform:uppercase;
  text-decoration:none; border:1px solid var(--accent); border-radius:0;
  cursor:pointer;
  transition:transform .12s ease, background-color .12s ease, color .12s ease;
}
.btn:hover{ background:#FF5722; border-color:#FF5722; }
.btn:active{ transform:translateY(1px); }
.btn[disabled]{ opacity:.5; cursor:not-allowed; }

.btn--ghost{
  background:transparent; color:var(--txt); border-color:var(--line-2);
}
.btn--ghost:hover{ background:transparent; border-color:var(--txt); color:var(--txt); }

.actions{
  display:flex; flex-wrap:wrap; gap:12px;
  margin-top:clamp(26px,5vw,36px);
}
.actions .btn{ flex:1 1 auto; min-width:190px; }
@media (min-width:560px){ .actions .btn{ flex:0 0 auto; } }

/* ----------------------------------------------------------------- hero -- */

.hero{
  padding:clamp(48px,11vw,96px) 0 clamp(44px,9vw,84px);
  border-bottom:1px solid var(--line);
}

/* panel de telemetría */
.panel{
  margin:clamp(40px,8vw,64px) 0 0;
  background:var(--bg-2);
  border:1px solid var(--line);
}
.panel__head{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:11px 14px;
  border-bottom:1px solid var(--line);
  font-family:var(--mono); font-size:10px;
  letter-spacing:.16em; text-transform:uppercase; color:var(--dim-2);
}
.panel__led{
  width:8px; height:8px; background:var(--accent);
  animation:blink 2.4s steps(1,end) infinite;
}
.panel__grid{ padding:6px 0; }

.row{
  display:grid;
  grid-template-columns:1fr 54px 54px;
  gap:8px;
  align-items:center;
  padding:9px 14px;
  font-family:var(--mono); font-size:12px;
  border-top:1px solid rgba(255,255,255,.04);
}
.row:first-child{ border-top:0; }
.row span:nth-child(2),
.row span:nth-child(3){ text-align:right; color:var(--dim); }
.row--head{
  color:var(--dim-2); font-size:9.5px; letter-spacing:.14em;
  padding-top:4px; padding-bottom:8px;
}
.row--head span:nth-child(2),
.row--head span:nth-child(3){ color:var(--dim-2); }
.row--sum{
  border-top:1px solid var(--line);
  margin-top:6px; padding-top:14px;
  color:var(--txt); font-weight:700;
}
.row--sum span:nth-child(2){ color:var(--accent); }
.row__barcell{ display:none; }

@media (min-width:620px){
  .row{ grid-template-columns:1fr 64px 64px 40%; }
  .row__barcell{ display:block; }
}
.bar{
  display:block; height:7px; width:100%;
  background:var(--bg-3); border:1px solid var(--line);
}
.bar > i{
  display:block; height:100%;
  width:var(--w,50%);
  background:var(--txt);
  transform-origin:left center;
  animation:vu 2.6s ease-in-out var(--d,0s) infinite;
}
.bar--hot > i{ background:var(--accent); }

.panel__foot{
  margin:0;
  padding:12px 14px;
  border-top:1px solid var(--line);
  font-size:12.5px; line-height:1.45; color:var(--dim-2);
}

@keyframes vu{
  0%,100%{ transform:scaleX(.86); }
  45%    { transform:scaleX(1); }
  70%    { transform:scaleX(.92); }
}
@keyframes blink{
  0%,60%{ opacity:1; }
  61%,100%{ opacity:.25; }
}

/* -------------------------------------------------------------- secciones -- */

.sec{
  padding:clamp(56px,11vw,104px) 0;
  border-bottom:1px solid var(--line);
  scroll-margin-top:70px;
}
.sec--alt{ background:var(--bg-2); }

/* pasos */
.steps{
  list-style:none; margin:0; padding:0;
  display:grid; gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
@media (min-width:820px){ .steps{ grid-template-columns:repeat(3,1fr); } }

.step{
  background:var(--bg);
  padding:clamp(24px,4.5vw,34px);
}
.step__n{
  display:block;
  font-family:var(--mono); font-size:12px; letter-spacing:.18em;
  color:var(--accent); margin-bottom:14px;
}
.step__t{
  margin:0 0 10px;
  font-size:clamp(1.35rem,5vw,1.75rem);
  font-weight:900; letter-spacing:-.02em; text-transform:uppercase;
  line-height:1;
}
.step p{ margin:0; color:var(--dim); font-size:15.5px; }

/* comparativa */
.vs{
  list-style:none; margin:0; padding:0;
  border-top:1px solid var(--line-2);
}
.vs__row{
  display:grid; gap:6px;
  padding:22px 0;
  border-bottom:1px solid var(--line-2);
}
@media (min-width:820px){
  .vs__row{ grid-template-columns:1fr 1fr; gap:32px; align-items:start; }
}
.vs__row p{ margin:0; font-size:16px; line-height:1.45; }
.vs__no{ color:var(--dim-2); text-decoration:line-through; text-decoration-color:rgba(255,61,0,.45); }
.vs__si{ color:var(--txt); font-weight:600; }
.vs__lbl{
  display:inline-block; margin-right:8px;
  font-family:var(--mono); font-size:10px; letter-spacing:.16em;
  text-transform:uppercase; text-decoration:none;
  vertical-align:2px;
}
.vs__no .vs__lbl{ color:var(--dim-2); border:1px solid var(--line-2); padding:2px 6px; }
.vs__si .vs__lbl{ color:var(--ink); background:var(--accent); padding:2px 6px; font-weight:800; }

/* ----------------------------------------------------------------- form -- */

.sec--beta{ text-align:left; }
.sec--beta .lead{ margin-bottom:clamp(26px,5vw,34px); }

.form{
  display:grid; gap:10px;
  margin:0 0 14px;
}
@media (min-width:620px){
  .form{ grid-template-columns:1fr auto; align-items:stretch; }
}
.form__input{
  width:100%;
  min-height:54px;
  padding:14px 16px;
  background:var(--bg-2);
  border:1px solid var(--line-2);
  border-radius:0;
  color:var(--txt);
  font-family:var(--mono); font-size:16px; /* 16px evita zoom en iOS */
  appearance:none;
}
.form__input::placeholder{ color:var(--dim-2); }
.form__input:focus{ outline:none; border-color:var(--accent); }
.form__input[aria-invalid="true"]{ border-color:var(--accent); }
.form__btn{ width:100%; }
@media (min-width:620px){ .form__btn{ width:auto; } }

/* honeypot: fuera de pantalla, no display:none */
.hp{
  position:absolute !important;
  left:-9999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}

.form__status{
  margin:0 0 10px;
  min-height:1.4em;
  font-family:var(--mono); font-size:13px; line-height:1.45;
}
.form__status.is-ok{ color:var(--txt); }
.form__status.is-ok::before{ content:"✓ "; color:var(--accent); }
.form__status.is-err{ color:var(--accent); }
.form__status.is-wait{ color:var(--dim); }

.fine{
  margin:0;
  font-size:13px; color:var(--dim-2);
}

/* ---------------------------------------------------------------- footer -- */

.foot{ padding:28px 0 40px; }
.foot__in{
  display:flex; flex-wrap:wrap; gap:8px 16px;
  align-items:baseline; justify-content:space-between;
}
.foot p{ margin:0; }
.foot__brand{
  font-family:var(--mono); font-size:12px;
  letter-spacing:.1em; text-transform:uppercase; color:var(--dim);
}
.foot__year{ font-family:var(--mono); font-size:12px; color:var(--dim-2); }

/* ------------------------------------------------------- accesibilidad -- */

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}