/* ============================================================
   FireBook — página pública
   Mobile-first. Tres módulos con acento propio.
   ============================================================ */

:root{
  --navy-900:#0b1622;
  --navy-800:#0f1e30;
  --navy-700:#1f3b5c;
  --navy-600:#2b5278;
  --ink:#16202c;
  --body:#5b6b7c;
  --line:#e2e8f0;
  --paper:#ffffff;
  --paper-2:#f4f6f9;

  --seg:#2e9e5b;
  --seg-soft:#e8f5ee;
  --hero:#4a7dff;
  --hero-soft:#eaf0ff;
  --match:#e08b2a;
  --match-soft:#fdf1e2;

  --r-sm:10px; --r-md:16px; --r-lg:24px; --r-xl:32px;
  --wrap:1180px;
  --pad:20px;

  --f-display:clamp(2.1rem, 8vw, 4.6rem);
  --f-h2:clamp(1.55rem, 4.6vw, 2.7rem);
  --f-h3:clamp(1.02rem, 2.2vw, 1.18rem);
  --f-lede:clamp(1rem, 2.6vw, 1.28rem);

  --ease:cubic-bezier(.22,.75,.28,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper-2);
  color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.center{text-align:center}

.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:#fff;color:var(--navy-700);padding:12px 18px;border-radius:0 0 var(--r-sm) 0;font-weight:700
}
.skip:focus{left:0}

:where(a,button,[tabindex]):focus-visible{
  outline:3px solid var(--hero);
  outline-offset:3px;
  border-radius:6px;
}

/* ── Tipografía ─────────────────────────────────────────── */
.display{
  margin:0;
  font-size:var(--f-display);
  line-height:1.04;
  letter-spacing:-.03em;
  font-weight:800;
  color:#fff;
}
.h2{
  margin:0;
  font-size:var(--f-h2);
  line-height:1.15;
  letter-spacing:-.02em;
  font-weight:800;
  color:var(--navy-700);
}
.eyebrow{
  margin:0 0 18px;
  font:700 .72rem/1 ui-monospace,"SF Mono",Menlo,monospace;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:#9fd6b8;
}
.lede{
  margin:22px 0 0;
  max-width:33ch;
  font-size:var(--f-lede);
  line-height:1.55;
  color:rgba(255,255,255,.82);
}

/* ── Nav ────────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:14px;
  padding:12px var(--pad);
  background:rgba(15,30,48,.86);
  backdrop-filter:saturate(150%) blur(14px);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav__brand{
  display:flex;align-items:center;gap:9px;
  color:#fff;text-decoration:none;font-weight:800;letter-spacing:-.01em;
  margin-right:auto;flex-shrink:0
}
.nav__brand img{border-radius:7px}
.nav__links{display:none;gap:26px}
.nav__links a{
  color:rgba(255,255,255,.72);text-decoration:none;font-size:.86rem;font-weight:600;
  position:relative;padding:4px 0;transition:color .18s var(--ease)
}
.nav__links a:hover{color:#fff}
.nav__links a[data-mod="seg"]:hover{color:#9fd6b8}
.nav__links a[data-mod="hero"]:hover{color:#a9c0ff}
.nav__links a[data-mod="match"]:hover{color:#f3c78a}

/* ── Botones ────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 24px;border-radius:12px;
  font-weight:700;font-size:.95rem;text-decoration:none;white-space:nowrap;
  transition:transform .18s var(--ease),opacity .18s var(--ease),background .18s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--sm{padding:9px 16px;font-size:.83rem;background:#fff;color:var(--navy-700);flex-shrink:0}
.btn--light{background:#fff;color:var(--navy-700);box-shadow:0 10px 30px rgba(0,0,0,.22)}
.btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.34)}
.btn--ghost:hover{background:rgba(255,255,255,.1)}

/* ── Stage / hero ───────────────────────────────────────── */
.stage{
  position:relative;overflow:hidden;
  background:linear-gradient(168deg,var(--navy-800) 0%,var(--navy-700) 62%,#2d5c86 100%);
  padding:clamp(64px,14vw,132px) 0 clamp(72px,15vw,140px);
}
.stage__glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(38rem 26rem at 78% 8%, rgba(159,214,184,.20), transparent 62%),
    radial-gradient(34rem 30rem at 8% 92%, rgba(74,125,255,.22), transparent 66%);
}
.stage__in{position:relative}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 0;padding:0;list-style:none}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;text-decoration:none;
  font-size:.86rem;font-weight:700;color:#fff;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.pill:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.pill__dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}
.pill--seg .pill__dot{background:#6fd39b}
.pill--hero .pill__dot{background:#8fb0ff}
.pill--match .pill__dot{background:#f0ad5e}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

/* ── Trío ───────────────────────────────────────────────── */
.trio{padding:clamp(56px,11vw,104px) 0;background:var(--paper-2)}
.trio__grid{display:grid;gap:16px;margin-top:34px}
.card{
  display:block;text-decoration:none;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px 22px;
  border-top:4px solid var(--line);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(16,24,40,.10)}
.card__tag{
  font:700 .68rem/1 ui-monospace,"SF Mono",Menlo,monospace;
  letter-spacing:.14em;text-transform:uppercase
}
.card__h{margin:12px 0 8px;font-size:var(--f-h3);font-weight:800;color:var(--navy-700);line-height:1.25}
.card__p{margin:0;font-size:.94rem;color:var(--body)}
.card__go{display:inline-block;margin-top:16px;font-size:.86rem;font-weight:700}
.card--seg{border-top-color:var(--seg)}
.card--seg .card__tag,.card--seg .card__go{color:var(--seg)}
.card--hero{border-top-color:var(--hero)}
.card--hero .card__tag,.card--hero .card__go{color:var(--hero)}
.card--match{border-top-color:var(--match)}
.card--match .card__tag,.card--match .card__go{color:var(--match)}

/* ── Módulos ────────────────────────────────────────────── */
.mod{padding:clamp(60px,12vw,116px) 0;scroll-margin-top:70px}
.mod--seg{background:var(--paper)}
.mod--hero{background:var(--paper-2)}
.mod--match{background:var(--paper)}
.mod__head{max-width:44ch}
.mod__tag{
  margin:0 0 12px;font:700 .7rem/1 ui-monospace,"SF Mono",Menlo,monospace;
  letter-spacing:.16em;text-transform:uppercase
}
.mod--seg .mod__tag{color:var(--seg)}
.mod--hero .mod__tag{color:var(--hero)}
.mod--match .mod__tag{color:var(--match)}
.offline .mod__tag{color:var(--navy-600)}
.mod__lede{margin:16px 0 0;font-size:1.02rem;line-height:1.65;color:var(--body)}

/* teléfonos */
.showcase{
  display:flex;gap:18px;justify-content:center;flex-wrap:wrap;
  margin:38px 0 8px
}
.phone{
  margin:0;width:min(232px,45vw);
  border-radius:26px;padding:6px;background:#0f1e30;
  box-shadow:0 22px 50px rgba(11,22,34,.30);
}
.phone img{border-radius:21px;display:block}
/* La tercera pantalla es apoyo: en móvil satura, aparece desde tablet. */
.phone--3{display:none}

/* Recorte de pantalla (no es un dispositivo): marco claro y borde suave. */
.screen{
  margin:0;width:min(420px,86vw);
  border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 18px 44px rgba(16,24,40,.12)
}
.screen img{display:block;width:100%;height:auto}

/* Una sola captura: centrada y con pie explicativo. */
.showcase--uno{flex-direction:column;align-items:center}
.showcase__nota{
  margin:16px 0 0;max-width:44ch;
  font-size:.85rem;line-height:1.55;color:var(--muted);text-align:center
}

/* features */
.feats{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:14px}
.feats--wide{margin-top:38px}
.feat{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 20px 18px
}
.mod--seg .feat{background:var(--paper-2);border-color:#e8edf3}
.feat h3{margin:0 0 7px;font-size:1rem;font-weight:700;color:var(--navy-700)}
.feat p{margin:0;font-size:.93rem;color:var(--body)}
.feat--warn{border-left:4px solid currentColor}
.mod--hero .feat--warn{border-left-color:var(--hero);color:var(--hero)}
.mod--hero .feat--warn h3{color:var(--navy-700)}

/* flujo Match */
.flow{list-style:none;margin:36px 0 0;padding:0;display:grid;gap:2px;counter-reset:s}
.flow__step{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--paper-2);border:1px solid #e8edf3;
  padding:18px 18px;
}
.flow__step:first-child{border-radius:var(--r-md) var(--r-md) 0 0}
.flow__step:last-child{border-radius:0 0 var(--r-md) var(--r-md)}
.flow__step span{
  flex-shrink:0;width:34px;height:34px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:var(--match);color:#fff;
  font:700 .78rem/1 ui-monospace,Menlo,monospace
}
.flow__step h3{margin:0 0 4px;font-size:.98rem;font-weight:700;color:var(--navy-700)}
.flow__step p{margin:0;font-size:.92rem;color:var(--body)}

/* roles */
.roles{
  margin-top:26px;padding:26px 24px;
  background:var(--match-soft);border:1px solid #f2ddc2;border-radius:var(--r-lg)
}
.roles__h{margin:0 0 8px;font-size:1.05rem;font-weight:800;color:var(--navy-700)}
.roles__p{margin:0 0 18px;font-size:.94rem;color:#8a6634}
.roles__list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.roles__list li{
  background:rgba(255,255,255,.75);border-radius:var(--r-sm);padding:12px 14px;
  display:flex;flex-direction:column;gap:2px
}
.roles__list strong{font-size:.92rem;color:var(--navy-700)}
.roles__list span{font-size:.86rem;color:var(--body)}

/* ── Sin señal ──────────────────────────────────────────── */
.offline{
  padding:clamp(60px,12vw,116px) 0;scroll-margin-top:70px;
  background:linear-gradient(180deg,#eef2f7 0%,#e6ecf3 100%)
}
.off__prep{
  margin:32px 0 22px;padding:20px 22px;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--navy-600);
  border-radius:var(--r-md)
}
.off__prep h3{margin:0 0 6px;font-size:1rem;font-weight:700;color:var(--navy-700)}
.off__prep p{margin:0;font-size:.93rem;color:var(--body)}
.off__grid{display:grid;gap:16px}
.off__card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px
}
.off__card header{margin-bottom:12px}
.off__card h3{margin:10px 0 0;font-size:1.05rem;font-weight:800;color:var(--navy-700)}
.off__card p{margin:0 0 10px;font-size:.93rem;color:var(--body)}
.off__badge{
  display:inline-block;padding:5px 11px;border-radius:999px;
  font:700 .66rem/1 ui-monospace,Menlo,monospace;letter-spacing:.09em;text-transform:uppercase;
  background:var(--seg-soft);color:var(--seg)
}
.off__badge--no{background:#fdeaea;color:#c0392b}
.off__card--ok{border-top:4px solid var(--seg)}
.off__card--no{border-top:4px solid #d9534f}
.off__states{list-style:none;margin:14px 0;padding:0;display:grid;gap:8px}
.off__states li{
  font-size:.88rem;color:var(--body);
  padding-left:14px;border-left:2px solid var(--line)
}
.off__states b{color:var(--navy-700)}
.off__note{
  margin:12px 0 0;padding-top:12px;border-top:1px solid var(--line);
  font-size:.86rem;color:#7c8896
}
.off__foot{
  margin:24px 0 0;padding:18px 20px;
  background:#fff8e6;border:1px solid #f0e0b8;border-radius:var(--r-md);
  font-size:.9rem;color:#7a6222
}

/* ── Dispositivos ───────────────────────────────────────── */
.devices{padding:clamp(60px,12vw,110px) 0;background:var(--navy-800)}
.devices .h2{color:#fff}
.desktop{
  margin:38px auto 0;max-width:940px;
  border-radius:var(--r-md);overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,.42),0 0 0 1px rgba(255,255,255,.07)
}

/* ── Cierre ─────────────────────────────────────────────── */
.close{
  padding:clamp(64px,13vw,120px) 0;
  background:linear-gradient(150deg,var(--navy-700),var(--navy-600))
}
.close__in{max-width:600px;text-align:center}
.close .h2{color:#fff}
.close__p{margin:16px auto 0;max-width:40ch;font-size:1rem;color:rgba(255,255,255,.8)}
.close .cta{justify-content:center}
.close__mail{
  margin:20px 0 0;font:700 .88rem/1 ui-monospace,Menlo,monospace;
  color:rgba(255,255,255,.66)
}

/* ── Footer ─────────────────────────────────────────────── */
.foot{padding:34px 0;background:var(--navy-900);color:rgba(255,255,255,.62)}
.foot__in{display:grid;gap:14px}
.foot__brand{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:#fff;font-weight:700}
.foot__brand img{border-radius:6px}
.foot__sub{font-weight:400;font-size:.82rem;color:rgba(255,255,255,.55)}
.foot__legal{margin:0;font-size:.8rem;line-height:1.6;max-width:62ch}

/* ── Reveal ─────────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ── Tablet ─────────────────────────────────────────────── */
@media (min-width:700px){
  :root{--pad:32px}
  .trio__grid{grid-template-columns:repeat(3,1fr);gap:18px}
  .feats{grid-template-columns:1fr 1fr;gap:16px}
  .off__grid{grid-template-columns:1fr 1fr}
  .roles__list{grid-template-columns:1fr 1fr}
  .foot__in{grid-template-columns:auto 1fr;align-items:center;gap:28px}
  .phone{width:min(248px,32vw)}
  .phone--3{display:block}
}

/* ── Desktop ────────────────────────────────────────────── */
@media (min-width:1000px){
  :root{--pad:40px}
  .nav__links{display:flex}
  /* En pantallas anchas el texto alineado a la izquierda deja media página vacía. */
  .stage__in{text-align:center}
  .lede{max-width:46ch;margin-inline:auto}
  .pills,.cta{justify-content:center}
  .mod__head{max-width:54ch;margin-inline:auto;text-align:center}
  .off__grid{grid-template-columns:repeat(3,1fr)}
  .flow{grid-template-columns:repeat(5,1fr);gap:14px}
  .flow__step{
    flex-direction:column;border-radius:var(--r-md);
    background:var(--paper-2)
  }
  .flow__step:first-child,.flow__step:last-child{border-radius:var(--r-md)}
  .showcase{gap:26px}
}

/* ── Movimiento reducido ────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important
  }
  .reveal{opacity:1;transform:none;transition:none}
  .btn:hover,.card:hover,.pill:hover{transform:none}
}