/* ===== HARDTECH · Estilos ===== */
:root{
  --bg:#0a0e1a;
  --bg-2:#0f1626;
  --card:#121a2e;
  --line:rgba(255,255,255,.08);
  --txt:#e8edf7;
  --muted:#9aa7c2;
  --brand:#22d3ee;     /* cian */
  --brand-2:#7c3aed;   /* violeta */
  --accent:#34d399;    /* verde whatsapp-ish */
  --radius:16px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,.logo__text{font-family:'Space Grotesk',sans-serif;line-height:1.15}
a{color:inherit;text-decoration:none}
.container{width:min(1140px,92%);margin-inline:auto}

/* ===== Botones ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-weight:600;
  padding:.7rem 1.3rem;border-radius:999px;border:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,opacity .2s;
  box-shadow:0 8px 24px rgba(124,58,237,.35);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(34,211,238,.4)}
.btn--sm{padding:.5rem 1rem;font-size:.9rem}
.btn--lg{padding:.95rem 1.8rem;font-size:1.05rem}
.btn--block{display:flex;width:100%}
.btn--ghost{background:transparent;border:1px solid var(--line);box-shadow:none;color:var(--txt)}
.btn--ghost:hover{border-color:var(--brand);box-shadow:0 8px 24px rgba(34,211,238,.2)}
.btn--whatsapp{background:linear-gradient(135deg,#25d366,#128c7e);box-shadow:0 8px 24px rgba(37,211,102,.35)}

/* ===== Navbar ===== */
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(12px);
  background:rgba(10,14,26,.7);
  border-bottom:1px solid var(--line);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;padding:.85rem 0}
.logo{display:flex;align-items:center;gap:.55rem;font-weight:700}
.logo__mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-family:'Space Grotesk';font-size:.85rem;
}
.logo__img{height:40px;width:auto;display:block}
.logo__text{font-size:1.25rem;letter-spacing:.5px}
.logo__text span{color:var(--brand)}
.nav__links{display:flex;align-items:center;gap:1.6rem}
.nav__links a{color:var(--muted);font-weight:500;transition:color .2s}
.nav__links a:hover{color:var(--txt)}
.nav__links .btn{color:#fff}
.nav__toggle{display:none;background:none;border:none;color:var(--txt);font-size:1.5rem;cursor:pointer}

/* ===== Hero ===== */
.hero{position:relative;padding:6rem 0 5rem;text-align:center;overflow:hidden}
.hero__watermark{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:url('logo/marca-agua-tile.png');
  background-repeat:repeat;
  background-size:300px auto;
  opacity:.55;
  -webkit-mask-image:linear-gradient(180deg,#000 60%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 60%,transparent 100%);
}
.hero__glow{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(600px 300px at 50% -10%,rgba(124,58,237,.35),transparent 70%),
    radial-gradient(500px 300px at 80% 20%,rgba(34,211,238,.2),transparent 70%);
  pointer-events:none;
}
.hero__inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center}
.badge{
  display:inline-block;padding:.45rem 1rem;margin-bottom:1.6rem;
  font-size:.85rem;color:var(--brand);
  background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.25);border-radius:999px;
}
.hero__title{font-size:clamp(2.2rem,6vw,4rem);font-weight:700;margin-bottom:1.2rem}
.grad{background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{max-width:640px;color:var(--muted);font-size:1.1rem;margin-bottom:2rem}
.hero__cta{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}
.hero__stats{display:flex;gap:2.5rem;margin-top:3rem;flex-wrap:wrap;justify-content:center}
.hero__stats div{display:flex;flex-direction:column}
.hero__stats strong{font-family:'Space Grotesk';font-size:1.8rem;color:var(--txt)}
.hero__stats span{color:var(--muted);font-size:.9rem}

/* ===== Secciones ===== */
.section{padding:5.5rem 0}
.section--alt{background:var(--bg-2)}
.eyebrow{color:var(--brand);font-weight:600;letter-spacing:1px;text-transform:uppercase;font-size:.8rem;text-align:center}
.section__title{font-size:clamp(1.8rem,4vw,2.6rem);text-align:center;margin:.4rem 0 .6rem}
.section__lead{text-align:center;color:var(--muted);max-width:560px;margin:0 auto 3rem}

/* ===== Grid / Cards ===== */
.grid{display:grid;gap:1.4rem}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.6rem;transition:transform .25s,border-color .25s,box-shadow .25s;
}
.card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.4);box-shadow:var(--shadow)}
.card__icon{font-size:2.2rem;margin-bottom:1rem}
.card h3{font-size:1.25rem;margin-bottom:.5rem}
.card p{color:var(--muted)}

/* ===== Pasos ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem 1.4rem}
.step__num{font-family:'Space Grotesk';font-size:2rem;font-weight:700;color:var(--brand);display:block;margin-bottom:.6rem}
.step h3{margin-bottom:.4rem}
.step p{color:var(--muted);font-size:.95rem}

/* ===== Precios ===== */
.price{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:2.2rem 1.8rem;display:flex;flex-direction:column;
}
.price--featured{
  border-color:rgba(124,58,237,.6);
  box-shadow:0 24px 60px rgba(124,58,237,.25);
  transform:scale(1.03);
}
.price__tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-size:.75rem;font-weight:600;padding:.3rem .9rem;border-radius:999px;
}
.price h3{font-size:1.4rem;margin-bottom:.3rem}
.price__amount{font-family:'Space Grotesk';font-size:1.6rem;color:var(--brand);margin-bottom:1.2rem}
.price__amount span{font-size:.9rem;color:var(--muted);font-family:'Inter'}
.price ul{list-style:none;margin-bottom:1.6rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.price li{color:var(--muted)}

/* ===== CTA ===== */
.section--cta{background:linear-gradient(135deg,rgba(124,58,237,.18),rgba(34,211,238,.12));text-align:center}
.cta h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.6rem}
.cta p{color:var(--muted);margin-bottom:2rem;font-size:1.1rem}
.cta__buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.cta__note{margin-top:1.5rem;font-size:.82rem;color:var(--muted);opacity:.7}

/* ===== Footer ===== */
.footer{background:var(--bg-2);border-top:1px solid var(--line);padding:2.5rem 0}
.footer__inner{display:flex;flex-direction:column;align-items:center;gap:.5rem;text-align:center}
.footer p{color:var(--muted)}
.footer__copy{font-size:.85rem;opacity:.7}

/* ===== Animaciones reveal ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.show{opacity:1;transform:none}

/* ===== Responsive ===== */
@media (max-width:900px){
  .grid--3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav__links{
    position:absolute;top:100%;right:4%;left:4%;
    flex-direction:column;gap:1rem;align-items:flex-start;
    background:var(--bg-2);border:1px solid var(--line);border-radius:14px;
    padding:1.2rem;display:none;
  }
  .nav__links.open{display:flex}
  .nav__toggle{display:block}
  .grid--3,.steps{grid-template-columns:1fr}
  .price--featured{transform:none}
  .hero__stats{gap:1.6rem}
}