/* ==========================================================================
   DEVIPER DESARROLLO, S.L. — hoja de estilo única
   Orden: fuentes · tokens · reset · tipografía · utilidades · botones ·
          nav · pie · animaciones · bloques · formulario · responsive
   Regla del proyecto: ni <style> ni style="" en el HTML. Todo vive aquí.
   ========================================================================== */

/* ── Fuentes autohospedadas (sin Google Fonts, sin terceros, sin cookies) ── */
@font-face{font-family:'Bebas Neue';src:url('../fonts/bebas-neue-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Libre Baskerville';src:url('../fonts/libre-baskerville-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Libre Baskerville';src:url('../fonts/libre-baskerville-700.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'DM Mono';src:url('../fonts/dm-mono-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'DM Mono';src:url('../fonts/dm-mono-500.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}

/* ── Tokens ──────────────────────────────────────────────────────────────── */
:root{
  --navy:#1C2B45; --navy2:#0F1A2E; --navy3:#16243C;
  --accent:#2E75B6; --accent2:#4A9FE0;
  --gold:#C9A84C;
  --white:#F4F1EC; --gray:#8A9BB0; --line:rgba(46,117,182,.18);

  --display:'Bebas Neue',Impact,sans-serif;
  --serif:'Libre Baskerville',Georgia,serif;
  --mono:'DM Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --pad:clamp(1.5rem,5vw,4rem);
  --maxw:1180px;
  --gap:clamp(1.5rem,3vw,2.5rem);
  --sect:clamp(4.5rem,10vw,8rem);
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--navy2); color:var(--white);
  font-family:var(--serif); font-size:1rem; line-height:1.7;
  min-height:100vh; display:flex; flex-direction:column;
  overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%; height:auto; display:block}
a{color:var(--accent2); text-decoration-thickness:1px; text-underline-offset:.2em}
a:hover{color:var(--white)}
ul{list-style:none}
main{flex:1; position:relative; z-index:1}

/* Grano de fondo — textura sutil, cero peticiones */
body::before{
  content:''; position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.35;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

/* Accesibilidad */
.skip{position:absolute;left:-9999px;top:0;z-index:999;background:var(--gold);color:var(--navy2);padding:.8rem 1.4rem;font-family:var(--mono);font-size:.75rem}
.skip:focus{left:.5rem;top:.5rem}
.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}
:focus-visible{outline:2px solid var(--gold); outline-offset:3px}

/* ── Tipografía ──────────────────────────────────────────────────────────── */
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.05;letter-spacing:.04em;text-transform:uppercase}
h1{font-size:clamp(2.4rem,6vw,4.4rem)}
h2{font-size:clamp(1.9rem,4vw,3rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem);letter-spacing:.06em}
p{margin-bottom:1.1rem}
p:last-child{margin-bottom:0}
strong{color:var(--white);font-weight:700}

.kicker{
  font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold);display:block;margin-bottom:1.1rem;
}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);line-height:1.65;color:#D6DEE9;max-width:62ch}
.small{font-size:.85rem;color:var(--gray);line-height:1.6}
.mono{font-family:var(--mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gray)}

/* ── Utilidades de layout ────────────────────────────────────────────────── */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:var(--sect);position:relative}
.section--tight{padding-block:clamp(3rem,6vw,4.5rem)}
.section--alt{background:var(--navy3);border-block:1px solid var(--line)}
.head{max-width:70ch;margin-bottom:clamp(2.5rem,5vw,4rem)}
.grid{display:grid;gap:var(--gap)}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr))}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,22rem),1fr))}

/* ── Botones ─────────────────────────────────────────────────────────────── */
.btn{
  display:inline-block;font-family:var(--mono);font-size:.72rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;text-decoration:none;
  padding:.9rem 2rem;border:1px solid transparent;cursor:pointer;
  transition:background .18s,color .18s,transform .15s,border-color .18s;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--accent2);color:var(--navy2)}
.btn--primary:hover{background:var(--white);color:var(--navy2)}
.btn--ghost{background:transparent;color:var(--accent2);border-color:rgba(74,159,224,.4)}
.btn--ghost:hover{background:rgba(74,159,224,.1);color:var(--white);border-color:var(--accent2)}
.btns{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}

/* ── Navegación ──────────────────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1rem var(--pad);
  background:rgba(15,26,46,.88);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav__brand{font-family:var(--display);font-size:1.4rem;letter-spacing:.14em;color:var(--white);text-decoration:none;flex:none}
.nav__brand span{color:var(--accent2)}
.nav__menu{display:flex;align-items:center;gap:1.8rem}
.nav__menu a{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;
  color:var(--gray);text-decoration:none;transition:color .2s;
}
.nav__menu a:hover{color:var(--white)}
.nav__menu a[aria-current="page"]{color:var(--accent2)}
.nav__lang{font-family:var(--mono);font-size:.72rem;letter-spacing:.15em;color:var(--gold);text-decoration:none;padding-left:1.6rem;border-left:1px solid var(--line)}
.nav__lang:hover{color:var(--white)}
.nav__toggle{display:none;background:none;border:1px solid var(--line);color:var(--white);font-family:var(--mono);font-size:.7rem;letter-spacing:.15em;padding:.55rem .9rem;text-transform:uppercase;cursor:pointer}

/* ── Pie ─────────────────────────────────────────────────────────────────── */
.footer{position:relative;z-index:1;border-top:1px solid var(--line);background:var(--navy2);padding-block:clamp(2.5rem,5vw,3.5rem) 1.5rem}
.footer__grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));margin-bottom:2.5rem}
.footer__title{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:.9rem}
.footer__grid li{margin-bottom:.5rem}
.footer__grid a{font-size:.88rem;color:var(--gray);text-decoration:none}
.footer__grid a:hover{color:var(--white)}
.footer__grid p{font-size:.88rem;color:var(--gray);margin-bottom:.4rem}
.footer__bar{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:space-between;align-items:center;padding-top:1.5rem;border-top:1px solid rgba(46,117,182,.1)}
.footer__legal{font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;color:rgba(138,155,176,.55)}
.footer__claim{font-family:var(--display);font-size:1rem;letter-spacing:.2em;color:rgba(74,159,224,.3)}

/* ── Animaciones ─────────────────────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ── Home ────────────────────────────────────────────────────────────────── */
.hero-home{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:clamp(3rem,10vh,6rem) var(--pad);min-height:calc(100svh - 4rem);
  background:radial-gradient(ellipse 70% 50% at 50% 40%,rgba(46,117,182,.09) 0%,transparent 70%);
}
.hero-home__logo{width:min(460px,88vw)}
.hero-home__logo svg{width:100%;height:auto;overflow:visible}
.hero-home__claim{font-family:var(--display);font-size:clamp(1.9rem,5.5vw,3.4rem);letter-spacing:.2em;line-height:1;margin-top:clamp(2.5rem,6vh,3.5rem);padding-left:.2em}
.hero-home__sub{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-top:1rem}
.hero-home__desc{max-width:58ch;margin-top:2.5rem;color:#C3CEDC;font-size:.98rem;line-height:1.8}

/* Trazo de luz sobre el hexágono del logo */
.hex-trace{stroke:rgba(74,159,224,.15);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.hex-glow{
  stroke:#fff;stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:45 163;stroke-dashoffset:208;
  animation:comet 2.8s linear infinite;
  filter:drop-shadow(0 0 4px var(--accent2)) drop-shadow(0 0 10px rgba(74,159,224,.55));
}
@keyframes comet{from{stroke-dashoffset:208}to{stroke-dashoffset:0}}

/* ── Cabecera de página interior ─────────────────────────────────────────── */
.page-head{padding-block:clamp(3.5rem,8vw,6rem) clamp(2rem,4vw,3rem);border-bottom:1px solid var(--line)}
.page-head h1{margin-bottom:1.5rem}

/* ── Bloques de contenido ────────────────────────────────────────────────── */
.card{background:var(--navy3);border:1px solid var(--line);padding:clamp(1.6rem,3vw,2.2rem);height:100%}
.card__n{font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;color:var(--gold);display:block;margin-bottom:1rem}
.card h3{margin-bottom:.9rem;color:var(--white)}
.card p{font-size:.93rem;line-height:1.7;color:#C3CEDC}

.steps{counter-reset:s;display:grid;gap:0}
.step{display:grid;grid-template-columns:4rem 1fr;gap:1.5rem;padding-block:1.8rem;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step__n{font-family:var(--display);font-size:1.8rem;color:rgba(74,159,224,.35);line-height:1}
.step h3{margin-bottom:.5rem;color:var(--white)}
.step p{font-size:.93rem;color:#C3CEDC;margin:0}

.quote{border-left:2px solid var(--gold);padding:.4rem 0 .4rem clamp(1.5rem,4vw,2.5rem);max-width:60ch}
.quote p{font-size:clamp(1.15rem,2.4vw,1.6rem);line-height:1.5;font-style:italic;color:var(--white)}
.quote cite{display:block;margin-top:1rem;font-family:var(--mono);font-size:.75rem;font-style:normal;letter-spacing:.1em;color:var(--gray);text-transform:none}

/* Ficha de producto en el índice */
.product{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:clamp(1.5rem,4vw,3rem);
  align-items:center;background:var(--navy3);border:1px solid var(--line);
  padding:clamp(1.8rem,4vw,3rem);text-decoration:none;color:inherit;
  transition:border-color .2s,transform .2s;
}
.product:hover{border-color:rgba(74,159,224,.45);transform:translateY(-3px)}
.product h3{font-size:clamp(1.6rem,3vw,2.2rem);color:var(--white);margin-bottom:.4rem}
.product__sub{font-family:var(--mono);font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:var(--accent2);margin-bottom:1.2rem}
.product p{font-size:.95rem;color:#C3CEDC}
.product__more{display:inline-block;margin-top:1.4rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.product__art{display:flex;align-items:center;justify-content:center;aspect-ratio:1;background:rgba(15,26,46,.6);border:1px solid var(--line)}


/* Reclamo bajo el titular de la ficha de producto */
.claim{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent2);margin-top:1.2rem}

/* Tabla entrada / umbral / salida / energía */
.spec{margin-top:clamp(2rem,4vw,3rem);max-width:54rem}
.spec__row{display:grid;grid-template-columns:9rem 1fr;gap:1.5rem;align-items:baseline;padding-block:1.1rem;border-top:1px solid var(--line)}
.spec__row:last-child{border-bottom:1px solid var(--line)}
.spec dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.spec dd{margin:0;font-size:.95rem;color:#C3CEDC}
.dateline{margin-top:.9rem;color:var(--gray)}
.caption{font-family:var(--mono);font-size:.75rem;letter-spacing:.05em;color:var(--gray);margin-top:1.4rem}

/* Chips y marcas — los mismos elementos que usa el deck */
.chip{display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border-radius:50%;background:var(--accent);flex:none;margin-bottom:1.2rem}
.chip svg{width:1.35rem;height:1.35rem;fill:#fff}
.chip--ice{width:3.1rem;height:3.1rem;background:rgba(74,159,224,.14);margin-bottom:0}
.chip--ice svg{width:1.5rem;height:1.5rem;fill:var(--accent2)}
svg.ok{fill:#2E9E5B}
svg.no{fill:#C0392B}
.step h3 svg{width:1rem;height:1rem;margin-right:.4rem;vertical-align:-.1rem}

/* «La idea en una frase»: la corona junto a entrada / umbral / salida / energía */
.idea{display:grid;grid-template-columns:1fr minmax(0,20rem);gap:clamp(2rem,4vw,3.5rem);align-items:center;margin-top:clamp(2rem,4vw,3rem)}
.idea__art{display:flex;justify-content:center}
.dial--inline{width:100%;max-width:18rem}
.idea .spec{margin-top:0}


/* Corona de ajuste — el giro en bucle muestra que el umbral se configura.
   La regla global de prefers-reduced-motion la deja quieta. */
.dial{width:78%;height:auto}
.dial__crown{transform-box:fill-box;transform-origin:center;animation:crown 16s ease-in-out infinite}
@keyframes crown{
   0%{transform:rotate(0deg)}    18%{transform:rotate(45deg)}  32%{transform:rotate(45deg)}
  48%{transform:rotate(15deg)}   60%{transform:rotate(15deg)}  78%{transform:rotate(75deg)}
  90%{transform:rotate(75deg)}  100%{transform:rotate(0deg)}
}

/* Aplicaciones — el bloque que sostiene la abstracción */
.appl{border-top:1px solid var(--line);padding-block:2.2rem}
.appl:last-of-type{border-bottom:1px solid var(--line)}
.appl__head{display:flex;align-items:center;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}
.appl__n{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--gold)}
.appl h3{color:var(--white)}
.appl p{font-size:.95rem;color:#C3CEDC;max-width:68ch}

/* Comparativa "lo que no es" */
.compare{display:grid;gap:var(--gap);grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr))}
.compare__col{border:1px solid var(--line);padding:clamp(1.5rem,3vw,2rem)}
.compare__col--ours{border-color:rgba(201,168,76,.4);background:var(--navy3)}
.compare__col h3{font-size:1.05rem;margin-bottom:1.4rem;color:var(--white)}
.compare__col li{display:flex;gap:.6rem;margin-bottom:.9rem;font-size:.92rem;line-height:1.6;color:#C3CEDC}
.compare__col li svg{width:1.05rem;height:1.05rem;flex:none;margin-top:.28rem}


/* Banda de llamada a la acción */
.cta-band{background:var(--navy3);border:1px solid var(--line);padding:clamp(2rem,5vw,3.5rem);text-align:center}
.cta-band h2{margin-bottom:1.2rem}
.cta-band p{max-width:56ch;margin-inline:auto;color:#C3CEDC}
.cta-band .btns{justify-content:center}

/* Texto legal / prosa larga */
.prose{max-width:72ch}
.prose h2{font-size:clamp(1.3rem,2.4vw,1.7rem);margin:2.8rem 0 1.1rem}
.prose h2:first-child{margin-top:0}
.prose p{font-size:.95rem;color:#C3CEDC}
.note{border:1px dashed rgba(201,168,76,.45);padding:1.2rem 1.4rem;margin:1.5rem 0;background:rgba(201,168,76,.05)}
.note p{font-size:.88rem;color:var(--gold);margin:0}

/* ── Formulario ──────────────────────────────────────────────────────────── */
.form{max-width:38rem}
.form__row{margin-bottom:1.3rem}
.form label{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.15em;text-transform:uppercase;color:var(--gray);margin-bottom:.5rem}
.form input,.form select,.form textarea{
  width:100%;background:rgba(15,26,46,.7);border:1px solid var(--line);color:var(--white);
  font-family:var(--serif);font-size:.95rem;padding:.8rem 1rem;
}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--accent2);outline:none}
.form textarea{min-height:8rem;resize:vertical}
.form select{font-family:var(--mono);font-size:.82rem}
.form__hp{position:absolute;left:-9999px}
.form__note{font-size:.78rem;color:var(--gray);margin-top:1.2rem;line-height:1.6}
.form__note a{color:var(--gold)}
.toast{
  position:fixed;left:50%;bottom:2rem;transform:translate(-50%,140%);z-index:200;
  background:var(--navy3);border:1px solid var(--accent2);border-left-width:3px;
  padding:1rem 1.5rem;font-family:var(--mono);font-size:.78rem;letter-spacing:.05em;
  max-width:min(92vw,30rem);transition:transform .35s ease;
}
.toast.is-on{transform:translate(-50%,0)}
.toast.is-error{border-color:#C0392B}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width:820px){
  .nav__toggle{display:block}
  .nav__menu{
    display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    align-items:flex-start;gap:0;background:var(--navy2);border-bottom:1px solid var(--line);
    padding:.5rem var(--pad) 1.5rem;
  }
  .nav__menu.is-open{display:flex}
  .nav__menu a{padding:.9rem 0;width:100%;border-bottom:1px solid rgba(46,117,182,.1)}
  .nav__lang{padding:.9rem 0;border-left:0}
  .product{grid-template-columns:1fr}
  .product__art{order:-1;aspect-ratio:16/9}
  .step{grid-template-columns:2.5rem 1fr;gap:1rem}
  .spec__row{grid-template-columns:1fr;gap:.4rem}
  .idea{grid-template-columns:1fr}
  .idea__art{order:-1}
}