:root{--brand-primary: #1B4965;--brand-accent: #E89B5C;--brand-font: "Inter", system-ui, sans-serif;--color-ink: #0F1722;--color-bg: #F7F9FB;--color-muted: #5A6878;--color-border: #E1E7ED;--radius: 12px;--shadow-sm: 0 1px 3px rgba(15, 23, 34, .06);--shadow-md: 0 4px 16px rgba(15, 23, 34, .08)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;font-family:var(--brand-font);background:var(--color-bg);color:var(--color-ink);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.5}a{color:var(--brand-primary);text-decoration:none}a:hover{text-decoration:underline}button,.btn{font-family:inherit;font-size:1rem;cursor:pointer;border:none;border-radius:var(--radius);padding:12px 20px;background:var(--brand-primary);color:#fff;font-weight:600;transition:opacity .15s ease}button:hover,.btn:hover{opacity:.9}button:disabled,.btn:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{background:#fff;color:var(--brand-primary);border:1px solid var(--brand-primary)}.container{max-width:1100px;margin:0 auto;padding:0 24px}.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);padding:24px}.input,input[type=text],input[type=email],input[type=tel],input[type=number],textarea{font-family:inherit;font-size:1rem;width:100%;border:1px solid var(--color-border);border-radius:var(--radius);padding:12px 14px;background:#fff;color:var(--color-ink);transition:border-color .15s ease}.input:focus,input:focus,textarea:focus{outline:none;border-color:var(--brand-primary);box-shadow:0 0 0 3px #1b496514}label{display:block;font-size:.875rem;font-weight:500;color:var(--color-ink);margin-bottom:6px}.muted{color:var(--color-muted)}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.1;margin:0 0 16px;font-weight:700}h2{font-size:1.75rem;margin:0 0 12px;font-weight:700}h3{font-size:1.25rem;margin:0 0 8px;font-weight:600}.badge{display:inline-block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:4px 10px;border-radius:100px;background:var(--brand-accent);color:#fff}.badge-soft{background:#1b496514;color:var(--brand-primary)}.grid-inmersiones{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:24px}.inmersion-card{background:#fff;border-radius:var(--radius);border:1px solid var(--color-border);padding:20px;display:flex;flex-direction:column;gap:8px;transition:transform .15s ease,box-shadow .15s ease}.inmersion-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);text-decoration:none}.inmersion-card .fecha{font-size:.875rem;color:var(--color-muted);font-weight:500}.inmersion-card .nombre{font-size:1.125rem;font-weight:600;color:var(--color-ink);margin:4px 0}.inmersion-card .meta{font-size:.875rem;color:var(--color-muted);display:flex;gap:12px;flex-wrap:wrap}.inmersion-card .precio{font-size:1.25rem;font-weight:700;color:var(--brand-primary);margin-top:auto}header.site-header{background:#fff;border-bottom:1px solid var(--color-border);padding:16px 0}header.site-header .nav{display:flex;align-items:center;justify-content:space-between;gap:16px}header.site-header .logo{font-size:1.25rem;font-weight:700;color:var(--brand-primary);text-decoration:none}footer.site-footer{border-top:1px solid var(--color-border);padding:32px 0;margin-top:64px;font-size:.875rem;color:var(--color-muted)}.hero{padding:64px 0 40px;text-align:center}.hero p.lead{font-size:1.25rem;color:var(--color-muted);max-width:640px;margin:0 auto}.form-grid{display:grid;gap:16px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:600px){.form-row{grid-template-columns:1fr}}.alert{padding:14px 16px;border-radius:var(--radius);margin:16px 0;font-size:.95rem}.alert-info{background:#1b496514;color:var(--brand-primary);border:1px solid rgba(27,73,101,.16)}.alert-success{background:#228b561a;color:#1f6e44;border:1px solid rgba(34,139,86,.25)}.alert-error{background:#c02f2f14;color:#b32525;border:1px solid rgba(192,47,47,.2)}.hp-field{position:absolute;left:-9999px;opacity:0;pointer-events:none;height:0;width:0}