:root { --navy-950: #041622; --navy-900: #071e2d; --navy-820: #0b2b3d; --cyan: #16c7df; --cyan-2: #0587c5; --cyan-soft: #dffaff; --paper: #f4f9fa; --white: #fff; --ink: #102331; --muted: #5b6f78; --line: #d7e7ec; --radius: 10px; --max: 1180px; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, sans-serif; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }

.topbar { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(255,255,255,.09); background: rgba(4,22,34,.94); backdrop-filter: blur(18px); }
.nav { width: min(var(--max), calc(100% - 40px)); min-height: 76px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.18); border-radius: 8px; background: transparent; padding: 0; cursor: pointer; flex: none; }
.nav-toggle span { display: block; width: 20px; height: 2px; margin: 2.5px 0; background: #d8f7ff; border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.nav-menu { display: contents; }
.brand img { width: min(245px, 52vw); height: auto; display: block; }
.navlinks { display: flex; align-items: center; gap: clamp(12px, 1.3vw, 22px); color: #d8f7ff; font-size: 14px; font-weight: 750; }
.navlinks a:hover, .navlinks [aria-current="page"] { color: var(--cyan); }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border: 1px solid var(--cyan); border-radius: 8px; background: linear-gradient(135deg, var(--cyan), var(--cyan-2)); color: var(--navy-950); font-weight: 850; transition: filter .2s ease, transform .1s ease; }
.button:hover, .button:focus-visible { filter: brightness(1.08); }
.button:active { transform: scale(.97); }
.button.secondary { background: transparent; color: var(--cyan-soft); }
.button.admin-button { min-height: 36px; padding: 0 10px; border-color: transparent; background: transparent; color: #9cb8c2; font-size: 12px; }

.social-nav { display: inline-flex; gap: 8px; }
.social-link { width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; color: #dffaff; }
.social-link svg { width: 15px; height: 15px; fill: currentColor; }

.whatsapp-float { position: fixed; right: calc(18px + env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px)); z-index: 40; width: 56px; height: 56px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: #25d366; color: #fff; box-shadow: 0 10px 26px rgba(4,22,34,.28); }
.whatsapp-float svg { width: 26px; height: 26px; }

footer { background: var(--navy-950); color: #c7dfe7; padding: 48px 0 22px; }
.footer-grid { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 36px; }
.footer-brand img { width: min(220px, 42vw); height: auto; display: block; margin-bottom: 14px; }
.footer-brand p { max-width: 320px; color: #9cb8c2; font-size: 14px; }
.footer-col h3 { margin: 0 0 14px; color: #fff; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.footer-col a { display: block; margin: 0 0 9px; color: #c7dfe7; }

@media (max-width: 900px) {
  .nav { flex-wrap: wrap; padding: 14px 0; }
  .nav-toggle { display: inline-flex; }
  .nav-menu { display: none; flex-direction: column; align-items: stretch; gap: 18px; width: 100%; order: 3; padding: 16px 0 20px; border-top: 1px solid rgba(255,255,255,.12); margin-top: 14px; }
  .nav.is-open .nav-menu { display: flex; }
  .nav.is-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  .navlinks { flex-direction: column; align-items: stretch; gap: 14px; }
  .navlinks > .button { width: 100%; }
  .navlinks > .button.admin-button { width: auto; align-self: flex-start; }
  .social-nav { gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
}