/* ===================================================================
   EKRANOPLANO ECONÓMICO — Web comercial
   Paleta: carbón #0d1117 / naranja #ff7a00 / verde #7cb342
   =================================================================== */

:root{
  --bg:        #0d1117;
  --bg-2:      #11161f;
  --bg-3:      #161c27;
  --surface:   #1b2230;
  --line:      #28313f;
  --text:      #eef2f7;
  --muted:     #9aa6b6;
  --accent:    #ff7a00;
  --accent-2:  #ff9633;
  --green:     #7cb342;
  --green-2:   #9ccc65;
  --bad:       #e5534b;
  --radius:    16px;
  --radius-sm: 10px;
  --maxw:      1180px;
  --shadow:    0 24px 60px -20px rgba(0,0,0,.6);
  --ease:      cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

h1,h2,h3{font-family:'Oswald',sans-serif;font-weight:600;line-height:1.05;letter-spacing:.5px;text-transform:uppercase}
h2{font-size:clamp(1.8rem,4.2vw,3rem)}
h3{font-size:1.15rem;letter-spacing:.6px}

.text-accent{color:var(--accent)}
.text-muted{color:var(--muted)}

.eyebrow{
  font-family:'Oswald',sans-serif;
  text-transform:uppercase;
  letter-spacing:2.5px;
  font-size:.78rem;
  color:var(--green-2);
  margin-bottom:14px;
  font-weight:600;
}

/* ---------- Buttons ---------- */
.btn{
  --pad:14px 26px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:'Oswald',sans-serif;font-weight:600;text-transform:uppercase;
  letter-spacing:1px;font-size:.92rem;
  padding:var(--pad);border-radius:50px;border:1.5px solid transparent;
  cursor:pointer;transition:.25s var(--ease);white-space:nowrap;
}
.btn--sm{--pad:9px 18px;font-size:.82rem}
.btn--primary{background:var(--accent);color:#1a1100;border-color:var(--accent)}
.btn--primary:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 12px 28px -10px var(--accent)}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn--block{width:100%}

/* ---------- Nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(13,17,23,.6);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:.3s var(--ease);
}
.nav.scrolled{background:rgba(13,17,23,.92);border-bottom-color:var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{
  width:40px;height:40px;flex:none;display:grid;place-items:center;
  font-family:'Oswald',sans-serif;font-weight:700;font-size:1.4rem;font-style:italic;
  color:#fff;background:linear-gradient(135deg,var(--accent),#c95f00);
  border-radius:10px;box-shadow:0 6px 16px -6px var(--accent);
}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__text strong{font-family:'Oswald',sans-serif;letter-spacing:1.5px;font-size:.95rem}
.brand__text em{font-style:normal;color:var(--accent);font-family:'Oswald',sans-serif;letter-spacing:3px;font-size:.62rem}
.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{font-size:.92rem;color:var(--muted);transition:.2s;font-weight:500}
.nav__links a:hover{color:var(--text)}
.nav__links .btn{color:var(--text)}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav__toggle span{width:24px;height:2px;background:var(--text);transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;padding:120px 0 0;overflow:hidden}
.hero__bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(900px 500px at 80% 10%, rgba(255,122,0,.16), transparent 60%),
    radial-gradient(700px 500px at 5% 90%, rgba(124,179,66,.10), transparent 60%),
    var(--bg);
}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;padding-bottom:60px}
.hero__copy h1{font-size:clamp(2.8rem,7vw,5.3rem);margin:6px 0 22px;letter-spacing:1px}
.hero__sub{font-size:1.12rem;color:var(--muted);max-width:520px;margin-bottom:34px}
.hero__sub strong{color:var(--text)}
.hero__stats{display:flex;gap:30px;margin-bottom:36px;flex-wrap:wrap}
.stat{display:flex;flex-direction:column}
.stat__num{font-family:'Oswald',sans-serif;font-weight:700;font-size:2.6rem;color:var(--accent);line-height:1}
.stat__num small{font-size:1rem;color:var(--muted);font-weight:500;margin-left:2px}
.stat__label{font-size:.82rem;color:var(--muted);margin-top:6px;line-height:1.3}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.hero__note{font-size:.92rem;color:var(--muted)}
.hero__note strong{color:var(--green-2)}
.hero__media{position:relative}
.hero__media img{
  width:100%;border-radius:var(--radius);box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.badge-patent{
  position:absolute;top:16px;right:16px;
  background:rgba(13,17,23,.82);backdrop-filter:blur(6px);
  border:1px solid var(--accent);color:var(--accent-2);
  font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:1.5px;
  font-size:.7rem;padding:7px 14px;border-radius:50px;
}

/* ---------- Marquee ---------- */
.marquee{position:relative;z-index:1;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2);overflow:hidden;padding:14px 0}
.marquee__track{display:flex;gap:26px;white-space:nowrap;width:max-content;animation:scroll 28s linear infinite;font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:3px;color:var(--muted);font-size:.9rem}
.marquee__track span:nth-child(even){color:var(--accent)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- Sections ---------- */
.section{padding:96px 0;position:relative}
.section--dark{background:var(--bg-2)}
.section--accent{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-3) 100%)}
.section__head{margin-bottom:54px;max-width:680px}
.section__head--center{margin-inline:auto;text-align:center}
.source{margin-top:26px;font-size:.82rem;color:var(--muted);letter-spacing:.5px}

/* ---------- Grids ---------- */
.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

/* ---------- Card stat (problema) ---------- */
.card-stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.3s var(--ease)}
.card-stat:hover{transform:translateY(-4px);border-color:var(--accent)}
.card-stat__num{font-family:'Oswald',sans-serif;font-weight:700;font-size:3rem;color:var(--accent);line-height:1;display:block;margin-bottom:14px}
.card-stat__num small{font-size:1.1rem;color:var(--muted)}
.card-stat p{color:var(--muted);font-size:.98rem}

/* ---------- Split (producto / contacto) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--form{align-items:start}
.split__media img{width:100%;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.lead{font-size:1.1rem;color:var(--muted);margin:18px 0 28px}
.lead strong{color:var(--text)}
.feature-list{display:flex;flex-direction:column;gap:18px;margin-bottom:30px}
.feature-list li{position:relative;padding-left:30px;color:var(--muted)}
.feature-list li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(124,179,66,.18)}
.feature-list strong{color:var(--text);display:block}

/* ---------- Efecto suelo ---------- */
.effect{display:flex;align-items:stretch;justify-content:center;gap:18px;flex-wrap:wrap}
.effect__step{flex:1 1 240px;max-width:300px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;text-align:center}
.effect__icon{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 18px;border-radius:14px;font-size:1.6rem;background:rgba(255,122,0,.12);color:var(--accent);border:1px solid rgba(255,122,0,.3)}
.effect__step h3{margin-bottom:10px}
.effect__step p{color:var(--muted);font-size:.95rem}
.effect__arrow{display:grid;place-items:center;color:var(--accent);font-size:1.8rem;font-weight:700}

/* ---------- Specs ---------- */
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 32px}
.spec{display:flex;justify-content:space-between;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
.spec:last-child,.spec:nth-last-child(2){border-bottom:none}
.spec__k{color:var(--muted);font-size:.95rem}
.spec__v{font-family:'Oswald',sans-serif;font-weight:500;text-align:right;letter-spacing:.5px}
.specs-note{margin-top:26px;padding:20px 24px;background:rgba(255,122,0,.06);border:1px solid rgba(255,122,0,.22);border-radius:var(--radius-sm);color:var(--muted);font-size:.92rem}
.specs-note strong{color:var(--accent-2)}

/* ---------- VS ---------- */
.vs{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}
.vs__col{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px}
.vs__col h3{margin-bottom:22px;text-align:center}
.vs__col--new{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 24px 60px -28px var(--accent)}
.vs__col ul{display:flex;flex-direction:column;gap:14px}
.vs__col li{position:relative;padding-left:32px;color:var(--muted)}
.vs__col li::before{position:absolute;left:0;top:0;font-weight:700;font-size:1.05rem}
.vs__col .bad::before{content:"✕";color:var(--bad)}
.vs__col .good::before{content:"✓";color:var(--green)}
.vs__col--new li{color:var(--text)}
.vs__divider{font-family:'Oswald',sans-serif;font-weight:700;font-size:1.6rem;color:var(--accent);width:60px;height:60px;display:grid;place-items:center;border-radius:50%;border:2px solid var(--accent);background:var(--bg)}

/* ---------- Uses ---------- */
.use{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.3s var(--ease)}
.use:hover{transform:translateY(-4px);border-color:var(--green)}
.use__icon{font-size:2rem;display:block;margin-bottom:16px}
.use h3{margin-bottom:10px}
.use p{color:var(--muted);font-size:.95rem}
.mercado__media{margin-top:38px}
.mercado__media img{width:100%;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}

/* ---------- Precio ---------- */
.section--price{background:linear-gradient(135deg,#161c27,#0d1117)}
.price-card{display:grid;grid-template-columns:1.3fr 1fr;gap:0;background:var(--surface);border:1px solid var(--accent);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.price-card__main{padding:48px}
.price{display:flex;flex-direction:column;margin:22px 0 16px}
.price__from{font-size:.85rem;color:var(--muted);letter-spacing:1px;text-transform:uppercase}
.price__amount{font-family:'Oswald',sans-serif;font-weight:700;font-size:clamp(2.6rem,6vw,4rem);color:var(--accent);line-height:1}
.price__amount small{font-size:1.2rem;color:var(--muted)}
.price__sub{color:var(--muted);max-width:480px;margin-bottom:28px}
.price__cta{display:flex;gap:14px;flex-wrap:wrap}
.price-card__list{background:var(--bg-3);padding:44px 38px;display:flex;flex-direction:column;justify-content:center;gap:24px;border-left:1px solid var(--line)}
.price-card__list li{display:flex;flex-direction:column;padding-left:24px;position:relative}
.price-card__list li::before{content:"";position:absolute;left:0;top:7px;width:10px;height:10px;border-radius:50%;background:var(--green)}
.price-card__list strong{font-family:'Oswald',sans-serif;letter-spacing:.5px}
.price-card__list span{color:var(--muted);font-size:.9rem}

/* ---------- Equipo ---------- */
.team__card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px}
.team__card h3{margin-bottom:6px}
.team__role{color:var(--accent-2);font-size:.9rem;margin-bottom:20px;letter-spacing:.5px}
.team__card ul{display:flex;flex-direction:column;gap:11px}
.team__card li{position:relative;padding-left:24px;color:var(--muted);font-size:.95rem}
.team__card li::before{content:"›";position:absolute;left:4px;top:-1px;color:var(--accent);font-weight:700}
.trust{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:40px}
.trust span{font-family:'Oswald',sans-serif;letter-spacing:1px;font-size:.82rem;color:var(--green-2);padding:9px 18px;border:1px solid var(--line);border-radius:50px;background:var(--bg-2)}

/* ---------- Contacto / Form ---------- */
.contact-direct{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.contact-direct li{display:flex;flex-direction:column}
.contact-direct span{font-size:.78rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted)}
.contact-direct a{color:var(--accent-2)}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.form__row{margin-bottom:18px}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form label{display:flex;flex-direction:column;gap:8px;font-size:.85rem;color:var(--muted);font-weight:500}
.form input,.form select,.form textarea{
  width:100%;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:13px 15px;color:var(--text);font-family:inherit;font-size:.95rem;transition:.2s;
}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,0,.15)}
.form textarea{resize:vertical}
.form__status{margin-top:14px;font-size:.9rem;min-height:1.2em}
.form__status.ok{color:var(--green-2)}
.form__status.err{color:var(--bad)}
.form__legal{margin-top:14px;font-size:.78rem;color:var(--muted)}

/* ---------- Footer ---------- */
.footer{background:var(--bg-2);border-top:1px solid var(--line);padding:54px 0 34px}
.footer__inner{display:grid;grid-template-columns:1fr 1fr 1fr;gap:34px;align-items:start}
.footer__brand{display:flex;align-items:center;gap:14px}
.footer__brand div{display:flex;flex-direction:column;line-height:1.2}
.footer__brand strong{font-family:'Oswald',sans-serif;letter-spacing:1px}
.footer__brand em{font-style:normal;color:var(--green-2);font-size:.8rem}
.footer__links{display:flex;flex-direction:column;gap:10px}
.footer__links a{color:var(--muted);font-size:.92rem;transition:.2s}
.footer__links a:hover{color:var(--accent)}
.footer__meta p{color:var(--muted);font-size:.88rem;margin-bottom:6px}
.footer__small{font-size:.78rem!important;color:#6b7686!important}
.footer__disclaimer{margin-top:10px;font-style:italic}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width:980px){
  .hero__inner{grid-template-columns:1fr;gap:36px;padding-top:10px}
  .hero{padding-top:100px}
  .split,.split--form{grid-template-columns:1fr;gap:36px}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .price-card{grid-template-columns:1fr}
  .price-card__list{border-left:none;border-top:1px solid var(--line)}
  .vs{grid-template-columns:1fr}
  .vs__divider{margin:0 auto}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav__links{
    position:fixed;top:72px;right:0;left:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--bg-2);border-bottom:1px solid var(--line);
    padding:0;max-height:0;overflow:hidden;transition:max-height .35s var(--ease)
  }
  .nav__links.open{max-height:420px;padding:12px 24px 22px}
  .nav__links a{padding:13px 0;border-bottom:1px solid var(--line)}
  .nav__links .btn{margin-top:12px;justify-content:center}
  .nav__toggle{display:flex}
  .grid--3,.grid--4,.grid--2,.specs,.form__grid{grid-template-columns:1fr}
  .section{padding:70px 0}
  .hero__stats{gap:22px}
  .price-card__main,.form{padding:28px 22px}
  .footer__inner{grid-template-columns:1fr;gap:26px}
  .effect__arrow{transform:rotate(90deg)}
}

/* ---------- Reveal animation ---------- */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
  .reveal.in{opacity:1;transform:none}
}