*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --color-primary:#0ea5e9;--color-accent:#06b6d4;
  --color-bg:#080c12;--color-surface:#0f1623;
  --color-text:#eef2f7;--color-text-dim:#8b9cb6;
  --color-border:#1e2d42;--radius:12px;
  --container:1200px;
}
@media(prefers-color-scheme:light){:root{
  --color-bg:#f0f6ff;--color-surface:#fff;
  --color-text:#0d1b2a;--color-text-dim:#4b6280;--color-border:#d0dff0;
}}
:root[data-theme="dark"]{--color-bg:#080c12;--color-surface:#0f1623;--color-text:#eef2f7;--color-text-dim:#8b9cb6;--color-border:#1e2d42;}
:root[data-theme="light"]{--color-bg:#f0f6ff;--color-surface:#fff;--color-text:#0d1b2a;--color-text-dim:#4b6280;--color-border:#d0dff0;}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;font-size:16px}
a{color:var(--color-primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
h1,h2,h3{line-height:1.3}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
/* Buttons */
.btn-whatsapp{display:inline-flex;align-items:center;gap:8px;background:#25d366;color:#fff;padding:12px 24px;border-radius:50px;font-weight:600;transition:.2s;text-decoration:none}
.btn-whatsapp:hover{background:#1ebe5d;text-decoration:none;transform:translateY(-1px);color:#fff}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--color-primary);color:#fff;padding:12px 24px;border-radius:50px;font-weight:600;transition:.2s;text-decoration:none}
.btn-primary:hover{opacity:.9;text-decoration:none;transform:translateY(-1px)}
.btn-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--color-text);padding:11px 24px;border-radius:50px;font-weight:600;border:2px solid var(--color-border);transition:.2s;text-decoration:none}
.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary);text-decoration:none;transform:translateY(-1px)}
/* Nav */
.site-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}
.nav-inner{display:flex;align-items:center;gap:24px;height:64px}
.nav-logo{font-size:1.25rem;font-weight:800;color:var(--color-text);display:flex;align-items:center;gap:8px;text-decoration:none}
.nav-logo span{color:var(--color-primary)}
.nav-logo-icon{font-size:1.4rem}
.nav-links{display:flex;list-style:none;gap:24px;margin-left:auto}
.nav-links a{color:var(--color-text-dim);font-size:0.9rem;font-weight:500;transition:.2s}
.nav-links a:hover{color:var(--color-text);text-decoration:none}
.nav-cta{margin-left:16px}
.nav-hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav-hamburger span{display:block;width:22px;height:2px;background:var(--color-text);border-radius:2px;transition:.3s}
.nav-mobile{display:none;flex-direction:column;gap:0;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:8px 0}
.nav-mobile a{padding:12px 20px;color:var(--color-text);font-weight:500;border-bottom:1px solid var(--color-border);text-decoration:none;display:block}
.nav-mobile a:last-child{margin:12px 20px;border-bottom:none;border-radius:50px;text-align:center}
.nav-mobile.open{display:flex}
@media(max-width:768px){.nav-links,.nav-cta{display:none}.nav-hamburger{display:flex}}
/* Hero */
.hero-title{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:800;line-height:1.2;margin-bottom:16px}
.hero-sub{font-size:1.05rem;color:var(--color-text-dim);margin-bottom:28px;line-height:1.7}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* Features */
.feature-card{background:var(--color-surface);border-radius:var(--radius);padding:28px;border:1px solid var(--color-border)}
.feature-icon{font-size:2rem;margin-bottom:12px}
.feature-card h3{font-size:1.1rem;margin-bottom:8px}
.feature-card p{color:var(--color-text-dim);font-size:0.9rem;margin:0}
/* Pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;max-width:860px;margin:0 auto}
.pricing-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:32px;text-align:center;position:relative;display:flex;flex-direction:column}
.pricing-card.featured,.pricing-card--featured{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary)}
.pricing-badge{background:var(--color-primary);color:#fff;font-size:0.75rem;font-weight:700;padding:4px 12px;border-radius:50px;display:inline-block;margin-bottom:12px}
.pricing-price{font-size:2.5rem;font-weight:800;color:var(--color-primary);margin-bottom:4px}
.pricing-period{font-size:0.85rem;color:var(--color-text-dim);margin-bottom:20px}
.pricing-features{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:24px;text-align:left}
.pricing-features li{font-size:0.9rem;color:var(--color-text-dim)}
.pricing-card .btn-whatsapp{width:100%;justify-content:center;margin-top:auto}
/* FAQ */
.faq-item{border-bottom:1px solid var(--color-border);padding:4px 0}
.faq-q{font-size:1rem;font-weight:600;margin-bottom:8px;color:var(--color-text);padding:12px 0 4px}
.faq-a{color:var(--color-text-dim);font-size:0.9rem;margin:0;line-height:1.7;padding-bottom:16px}
/* Blog */
.blog-article{padding:24px 0 60px}
.blog-tag{font-size:0.75rem;font-weight:600;padding:4px 10px;background:var(--color-primary);color:#fff;border-radius:20px}
/* Footer */
.site-footer{background:var(--color-surface);border-top:1px solid var(--color-border);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-logo{font-size:1.25rem;font-weight:800;color:var(--color-text);display:block;margin-bottom:12px;text-decoration:none}
.footer-logo span{color:var(--color-primary)}
.footer-brand p{color:var(--color-text-dim);font-size:0.875rem;line-height:1.7}
.footer-col h5{font-size:0.875rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:16px;color:var(--color-text-dim)}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-col ul a{color:var(--color-text-dim);font-size:0.875rem;transition:.2s}
.footer-col ul a:hover{color:var(--color-text);text-decoration:none}
.footer-bottom{border-top:1px solid var(--color-border);padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-size:0.875rem;color:var(--color-text-dim);flex-wrap:wrap;gap:12px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{flex-direction:column;text-align:center}}
@media(max-width:640px){.pricing-grid{grid-template-columns:1fr}.hero-actions{flex-direction:column;align-items:center}}