/* =============================
   GlowFit Studio — Dark UI V1
   Estructura inspirada en landing fitness (dark only)
   Autor: Atlas IA (para Luigi)
================================*/
:root{
  --bg: #0b0f14;
  --bg-alt: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --card: #0f1720;
  --stroke: #1f2937;
  --primary: #22d3ee;   /* cyan glow */
  --accent: #a78bfa;    /* violet */
  --danger: #ef4444;
  --success: #22c55e;
  --shadow: 0 10px 30px rgba(0,0,0,.45);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--text);text-decoration:none}
.container{width:min(1200px, 92%);margin-inline:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(11,15,20,.85);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--stroke)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font:700 18px Poppins,Inter,sans-serif}
.brand-text strong{color:var(--primary)}
.brand-logo{width:36px;height:36px;object-fit:contain;filter:drop-shadow(0 0 12px rgba(34,211,238,.35))}
.brand-logo.sm{width:26px;height:26px}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{opacity:.9}
.nav-links .btn{margin-left:6px}
.nav-toggle{display:none;background:none;border:1px solid var(--stroke);color:var(--text);padding:8px 10px;border-radius:10px;cursor:pointer}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:14px;border:1px solid var(--stroke);transition:transform .08s ease, box-shadow .2s ease, background .2s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--primary),#60a5fa);color:#0b1020;border-color:transparent;box-shadow:0 10px 24px rgba(96,165,250,.25)}
.btn-ghost{background:transparent}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-accent{background:linear-gradient(135deg,var(--accent),#22d3ee);color:#0b1020;border-color:transparent;box-shadow:0 10px 24px rgba(167,139,250,.25)}

/* Hero */
.hero{padding:64px 0;background:radial-gradient(1000px 500px at 10% 10%,rgba(34,211,238,.12),transparent 60%), radial-gradient(1200px 600px at 90% 20%, rgba(167,139,250,.12), transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero-copy h1{font:800 40px Poppins,Inter,sans-serif;line-height:1.15;margin:0 0 12px}
.glow{color:var(--primary);text-shadow:0 0 18px rgba(34,211,238,.35)}
.cta-row{display:flex;gap:12px;margin:18px 0 6px}
.trust{display:flex;gap:18px;flex-wrap:wrap;padding:0;margin:16px 0 0;list-style:none;color:var(--muted)}
.hero-media img{border-radius:var(--radius);border:1px solid var(--stroke);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover}

/* Sections */
.section{padding:72px 0}
.section.alt{background:var(--bg-alt);border-block:1px solid var(--stroke)}
.section-title{font:700 28px Poppins,Inter,sans-serif;margin:0 0 28px}
.grid{display:grid;gap:22px}
.cards-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--stroke);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.card img{aspect-ratio:16/10;object-fit:cover}
.card .card-body{padding:16px}
.card.h img{aspect-ratio:1/1}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.center{text-align:center}

/* Pricing */
.pricing .price{display:flex;flex-direction:column;gap:12px;padding:18px}
.price header h3{margin:0 0 6px;font:700 20px Poppins,Inter,sans-serif}
.price-tag{font:800 34px Poppins,Inter,sans-serif}
.price .features{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.price.highlight{outline:2px solid var(--primary);box-shadow:0 10px 28px rgba(34,211,238,.15)}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--stroke);border-radius:14px;padding:14px 16px}
.faq details + details{margin-top:10px}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:10px 0 0}

/* Contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.contact-form{display:grid;gap:12px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--stroke);background:#0b1220;color:var(--text)}
.map-placeholder{border-radius:12px;border:1px solid var(--stroke);opacity:.9}

/* Footer */
.site-footer{border-top:1px solid var(--stroke);padding:34px 0;background:#0a0e13}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .cards-3{grid-template-columns:1fr 1fr}
  .contact{grid-template-columns:1fr}
}
@media (max-width: 680px){
  .cards-3{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .nav-links{position:fixed;inset:64px 12px auto 12px;background:var(--bg-alt);border:1px solid var(--stroke);border-radius:16px;padding:14px;display:none;flex-direction:column;gap:12px;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
}