/* styles.css - look moderno, fresco e luminoso */
:root{
  --bg:#ffffff;
  --surface:#fbfdff;
  --muted:#6b7280;
  --accent:#06b6d4;
  --accent-2:#7c3aed;
  --glass: rgba(255,255,255,0.6);
  --text:#0f1724;
  --card:#ffffff;
  --shadow: 0 10px 30px rgba(16,24,40,0.08);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Poppins,Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,#f7fbff 0%,#ffffff 100%);color:var(--text);-webkit-font-smoothing:antialiased}
.container{width:92%;max-width:1200px;margin:0 auto}
.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.site-header{position:sticky;top:0;backdrop-filter:blur(6px);background:rgba(255,255,255,0.8);border-bottom:1px solid rgba(15,23,36,0.04);z-index:20}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
.brand{color:var(--text);font-weight:700;text-decoration:none;font-size:1.125rem;letter-spacing:0.2px}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:1rem;align-items:center}
.nav a{color:var(--text);text-decoration:none;padding:0.5rem 0.75rem;border-radius:8px;font-weight:600}
.nav a:hover{background:var(--glass)}
.nav a.cta{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;padding:0.5rem 0.9rem;border-radius:12px}
.nav-toggle{display:none;background:transparent;border:0;color:var(--text);font-size:1.25rem}
.hero{padding:4.5rem 0}
.hero-inner{display:grid;grid-template-columns:1fr 520px;gap:3rem;align-items:center}
.hero h1{font-size:2.6rem;line-height:1.02;margin:0 0 0.6rem;color:var(--text)}
.lead{color:var(--muted);margin-bottom:1.25rem;font-size:1.05rem}
.btn{display:inline-block;padding:0.7rem 1.1rem;border-radius:12px;text-decoration:none;font-weight:700;transition:transform .18s ease, box-shadow .18s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 8px 24px rgba(124,58,237,0.12)}
.btn-ghost{background:transparent;border:1px solid rgba(15,23,36,0.06);color:var(--text)}
.hero-media img{width:100%;height:auto;border-radius:16px;box-shadow:var(--shadow)}
.hero-illustration{transform:translateY(6px);transition:transform .7s cubic-bezier(.2,.9,.2,1), filter .45s ease}
.hero-illustration:hover{transform:translateY(0);filter:brightness(1.03) saturate(1.02)}
.features{padding:3rem 0}
.section-title{color:var(--text);margin:0 0 1rem;font-size:1.5rem}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem}
.feature{background:var(--card);padding:1.25rem;border-radius:14px;box-shadow:var(--shadow);border:1px solid rgba(15,23,36,0.03)}
.feature{transform:translateY(0);transition:transform .38s cubic-bezier(.2,.9,.2,1), box-shadow .28s ease}
.feature:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(16,24,40,0.08)}
.pricing{padding:3rem 0}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem}
.plan{background:var(--card);padding:1.2rem;border-radius:14px;text-align:center;box-shadow:var(--shadow);border:1px solid rgba(15,23,36,0.03)}
.plan-popular{transform:translateY(-6px);border:1px solid rgba(124,58,237,0.16)}
.testimonials{padding:3rem 0}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem}
.testimonial{background:linear-gradient(180deg,#ffffff,#fbfdff);padding:1rem;border-radius:12px;box-shadow:var(--shadow);border:1px solid rgba(15,23,36,0.03)}
.testimonial{transform:translateY(0);transition:transform .38s cubic-bezier(.2,.9,.2,1), box-shadow .28s ease}
.testimonial:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(16,24,40,0.08)}
.contact{padding:3rem 0}
.contact-form{display:grid;gap:0.8rem}
.form-row{display:flex;gap:0.8rem}
.form-row input,.form-row textarea{flex:1;padding:0.9rem;border-radius:10px;border:1px solid rgba(15,23,36,0.06);background:transparent;color:var(--text)}
.form-message{color:var(--accent-2);font-weight:600;margin:0.5rem 0}
.site-footer{padding:1.75rem 0;border-top:1px solid rgba(15,23,36,0.04);margin-top:2.5rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem}
.footer-inner a{color:var(--muted);text-decoration:none;margin-left:1rem}
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr}
  .nav ul{display:none}
  .nav-toggle{display:inline-block}
  /* mobile nav open state */
  .nav.open{position:absolute;right:16px;top:64px;background:var(--card);padding:12px;border-radius:12px;box-shadow:0 10px 30px rgba(16,24,40,0.08)}
  .nav.open ul{display:flex;flex-direction:column;gap:0.5rem}
}
@media (max-width:520px){.hero h1{font-size:1.6rem}}