/* AcademiX AI — SEO Landing Pages Design System */
*,*::before,*::after{margin:0;box-sizing:border-box}
body{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#0f172a;background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:#2563eb;font-weight:600;text-decoration:none}
a:hover{text-decoration:underline}

/* ── NAV ── */
.nav{background:rgba(255,255,255,.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid #e2e8f0;position:sticky;top:0;z-index:100}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#0f172a;font-size:18px;font-weight:800;text-decoration:none;white-space:nowrap}
.brand img{height:32px;width:32px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{color:#475569;font-size:13px;font-weight:600;text-decoration:none;padding:7px 11px;border-radius:8px;transition:all .15s}
.nav-link:hover{color:#0f172a;background:#f1f5f9;text-decoration:none}
.nav-link.active{color:#2563eb;background:#eff6ff}
.nav-cta{background:#0f172a;color:#fff!important;padding:8px 16px;border-radius:9px;font-size:13px;font-weight:700;text-decoration:none;transition:background .15s;margin-left:4px}
.nav-cta:hover{background:#1e293b;text-decoration:none}

/* ── BREADCRUMB ── */
.bc{max-width:1120px;margin:0 auto;padding:12px 20px;font-size:13px;color:#64748b}
.bc a{color:#2563eb;font-weight:600}
.bc-sep{color:#cbd5e1;margin:0 6px}

/* ── HERO ── */
.hero{background:linear-gradient(135deg,#eff6ff 0%,#f8fafc 55%,#fff 100%);padding:72px 20px 60px;text-align:center;border-bottom:1px solid #e2e8f0}
.eyebrow{display:inline-flex;align-items:center;gap:6px;background:#eff6ff;border:1px solid #bfdbfe;color:#1d4ed8;font-size:11px;font-weight:700;padding:5px 14px;border-radius:100px;margin-bottom:20px;letter-spacing:.06em;text-transform:uppercase}
.eyebrow svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2.5;flex-shrink:0}
.hero h1{font-size:clamp(1.9rem,5vw,3.1rem);line-height:1.08;font-weight:900;letter-spacing:-.025em;max-width:800px;margin:0 auto 16px;color:#0f172a}
.hero > p,.hero-p{font-size:1.05rem;color:#475569;max-width:620px;margin:0 auto 28px;line-height:1.65}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;background:#2563eb;color:#fff!important;font-weight:700;font-size:15px;padding:14px 28px;border-radius:12px;text-decoration:none!important;transition:all .2s;box-shadow:0 4px 14px rgba(37,99,235,.3)}
.btn:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:0 6px 20px rgba(37,99,235,.4)}
.btn-ghost{background:#f1f5f9;color:#0f172a!important;box-shadow:none}
.btn-ghost:hover{background:#e2e8f0;box-shadow:none;transform:none}

/* ── SECTIONS ── */
.section{padding:52px 0}
.section-inner{max-width:1120px;margin:0 auto;padding:0 20px}
.section-alt{background:#f8fafc}
.section-title{font-size:1.55rem;font-weight:800;letter-spacing:-.015em;margin-bottom:6px;color:#0f172a}
.section-sub{color:#64748b;font-size:15px;margin-bottom:28px}

/* ── CARDS ── */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:24px;box-shadow:0 1px 3px rgba(0,0,0,.05),0 4px 12px rgba(0,0,0,.04);transition:all .2s}
.card:hover{box-shadow:0 4px 20px rgba(0,0,0,.1);transform:translateY(-2px)}
.card-icon{width:48px;height:48px;background:#eff6ff;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;flex-shrink:0}
.card-icon svg{width:24px;height:24px;stroke:#2563eb;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:15px;font-weight:800;color:#0f172a;margin-bottom:8px}
.card p{font-size:14px;color:#475569;line-height:1.6}

/* ── SERVICE CARDS (servicios.html) ── */
.service-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:28px;box-shadow:0 1px 3px rgba(0,0,0,.05),0 4px 12px rgba(0,0,0,.04);margin-bottom:18px;display:flex;flex-direction:column;gap:14px}
.service-card-head{display:flex;align-items:center;gap:16px}
.service-card h3{font-size:1.1rem;font-weight:800;color:#0f172a;margin:0}
.service-card p{font-size:15px;color:#475569;line-height:1.65}
.service-card ul{padding:0;list-style:none;display:grid;gap:8px}
.service-card li{display:flex;align-items:center;gap:8px;font-size:14px;color:#374151}
.service-card li::before{content:'';width:18px;height:18px;background:#eff6ff;border-radius:50%;flex-shrink:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");background-size:12px;background-repeat:no-repeat;background-position:center}
.service-card .learn-more{display:inline-flex;align-items:center;gap:6px;color:#2563eb;font-size:14px;font-weight:700;align-self:flex-start}
.service-card .learn-more:hover{text-decoration:underline}

/* ── STEPS ── */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:12px;counter-reset:step}
.steps li{counter-increment:step;display:flex;align-items:flex-start;gap:16px;padding:18px 22px;background:#fff;border:1px solid #e2e8f0;border-radius:14px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.steps li::before{content:counter(step);flex-shrink:0;width:36px;height:36px;background:#2563eb;color:#fff;font-weight:800;font-size:15px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-top:1px}
.steps li strong{display:block;font-weight:700;margin-bottom:3px;color:#0f172a;font-size:15px}
.steps li span{font-size:14px;color:#475569;line-height:1.55}

/* ── PLANS ── */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.plan{background:#fff;border:1.5px solid #e2e8f0;border-radius:16px;padding:22px;text-align:center;transition:all .2s}
.plan:hover{border-color:#2563eb;box-shadow:0 4px 16px rgba(37,99,235,.15);transform:translateY(-2px)}
.plan-name{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#64748b;margin-bottom:8px}
.plan-price{font-size:2.4rem;font-weight:900;color:#0f172a;line-height:1}
.plan-price sup{font-size:1.2rem;font-weight:700;vertical-align:top;margin-top:6px}
.plan-price sub{font-size:14px;font-weight:600;color:#64748b}
.plan p{font-size:13px;color:#64748b;margin-top:8px;line-height:1.5}

/* ── FAQ ── */
.faq{display:grid;gap:10px}
.faq-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:20px}
.faq-item h3{font-size:15px;font-weight:700;color:#0f172a;margin-bottom:6px}
.faq-item p{font-size:14px;color:#475569;line-height:1.6}

/* ── RELATED LINKS ── */
.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.rel{display:inline-flex;align-items:center;gap:6px;background:#f8fafc;border:1px solid #e2e8f0;color:#374151!important;font-size:13px;font-weight:600;padding:9px 15px;border-radius:10px;text-decoration:none!important;transition:all .15s}
.rel:hover{background:#eff6ff;border-color:#bfdbfe;color:#2563eb!important}
.rel::after{content:' →';color:#94a3b8}

/* ── FOOTER ── */
footer{background:#0f172a;color:#94a3b8;padding:36px 20px;font-size:13px;margin-top:0}
.footer-inner{max-width:1120px;margin:0 auto;text-align:center}
footer p{margin-bottom:8px}
footer a{color:#60a5fa;font-weight:600}
footer a:hover{color:#93c5fd;text-decoration:underline}
footer .sep{color:#475569;margin:0 6px}

/* ── RESPONSIVE ── */
@media(max-width:768px){
  .nav-links{display:none}
  .hero{padding:48px 20px 40px}
  .hero h1{font-size:1.8rem}
  .grid{grid-template-columns:1fr}
  .plans{grid-template-columns:repeat(2,1fr)}
  .section{padding:36px 0}
}
@media(max-width:480px){
  .plans{grid-template-columns:1fr}
}