/* Avança AI — design tokens e estilos compartilhados */
:root {
  --azul: #4F8BFF;
  --ciano: #23E6E0;
  --ciano-escuro: #0A93B3;
  --tinta: #0A1018;
  --ardosia: #16273D;
  --nevoa: #F5F7FA;
  --texto-sec: #46566B;
  --azul-claro: #E7F0FD;
  --borda: #E1E8F0;
  --texto-claro: #B9C6D8;
  --texto-apagado: #7C8CA3;
  --nav-h: 69px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--nevoa); color: var(--tinta); font-family: Inter, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--azul); text-decoration: none; }
a:hover { color: var(--ciano-escuro); }
h1, h2, h3, p { margin: 0; }
.display { font-family: 'Exo 2', sans-serif; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }

/* Navegação */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(10,16,24,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-inner { max-width: 1120px; margin: 0 auto; padding: 12px 24px; min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--nevoa); }
.brand:hover { color: #FFFFFF; }
.brand-word { font-family: 'Exo 2', sans-serif; font-weight: 500; font-size: 15px; letter-spacing: 0.34em; white-space: nowrap; }
.brand-word .ai { color: var(--ciano); }
.brand-word .academy { color: var(--texto-apagado); letter-spacing: 0.2em; font-weight: 300; }
.nav-links { display: flex; align-items: center; gap: 12px 24px; flex-wrap: wrap; }
.nav-link { color: var(--texto-claro); font-size: 14px; }
.nav-link:hover { color: #FFFFFF; }

/* Botões */
.btn { display: inline-block; background: var(--ciano); color: var(--tinta); font-family: Inter, sans-serif; font-weight: 600; font-size: 14px; padding: 10px 20px; border-radius: 6px; border: none; cursor: pointer; }
.btn:hover { background: var(--azul); color: #FFFFFF; }
.btn-lg { font-size: 15px; padding: 14px 28px; }
.btn-xl { font-size: 16px; padding: 16px 36px; }
.btn-ghost { background: none; color: var(--nevoa); border: 1px solid rgba(255,255,255,0.2); font-weight: 400; }
.btn-ghost:hover { background: none; border-color: var(--ciano); color: var(--ciano); }
.btn-dark { background: var(--tinta); color: #FFFFFF; }
.btn-dark:hover { background: var(--azul); color: #FFFFFF; }
.link-strong { font-size: 14px; font-weight: 600; }

/* Seções */
.section { padding: 96px 0; }
.section-white { background: #FFFFFF; }
.section-line { border-top: 1px solid #EDF1F6; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.eyebrow .dash { width: 28px; height: 1px; background: var(--azul); }
.eyebrow .dash-ciano { background: var(--ciano); }
.eyebrow span:last-child { font-family: 'Exo 2', sans-serif; font-size: 13px; letter-spacing: 0.28em; color: var(--texto-sec); }
.h2 { font-family: 'Exo 2', sans-serif; font-weight: 300; font-size: clamp(28px, 3.4vw, 40px); text-wrap: pretty; }
.lead { font-size: 15px; line-height: 1.7; color: var(--texto-sec); }

/* Hero */
.hero { background: var(--tinta); color: var(--nevoa); position: relative; overflow: hidden; min-height: calc(100vh - var(--nav-h)); min-height: calc(100svh - var(--nav-h)); display: flex; align-items: center; }
.hero-glow { position: absolute; inset: 0; background: radial-gradient(ellipse 60% 50% at 75% 115%, rgba(79,139,255,0.14), transparent); }
.hero-inner { position: relative; width: 100%; padding-top: 72px; padding-bottom: 72px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 48px 64px; align-items: center; }
.hero .eyebrow { margin-bottom: 28px; }
.hero .eyebrow span:last-child { color: var(--ciano); }
.hero h1 { font-family: 'Exo 2', sans-serif; font-weight: 200; font-size: clamp(38px, 5.4vw, 64px); line-height: 1.12; max-width: 17ch; text-wrap: pretty; }
.hero h1 .acento { color: var(--ciano); font-weight: 400; }
.hero-sub { font-size: 17px; line-height: 1.7; color: var(--texto-claro); max-width: 54ch; margin: 28px 0 40px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* Arte do hero */
.hero-art { position: relative; aspect-ratio: 1; width: min(100%, 460px); justify-self: end; }
.art-glow { position: absolute; inset: -12%; background: radial-gradient(circle at 50% 50%, rgba(79,139,255,0.18), rgba(35,230,224,0.05) 45%, transparent 70%); }
.art-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(122,160,255,0.18); }
.art-ring.r1 { inset: 4%; }
.art-ring.r2 { inset: 17%; border-color: rgba(35,230,224,0.14); }
.art-ring.r3 { inset: 30%; border-color: rgba(122,160,255,0.1); }
.art-icone { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.art-icone img { width: 44%; height: auto; filter: drop-shadow(0 16px 48px rgba(35,230,224,0.28)); }
@keyframes flutuar { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.chip { position: absolute; display: inline-flex; align-items: center; gap: 8px; font-family: Inter, sans-serif; font-size: 12px; font-weight: 500; color: var(--texto-claro); background: rgba(22,39,61,0.72); border: 1px solid rgba(79,139,255,0.32); padding: 8px 14px; border-radius: 100px; white-space: nowrap; backdrop-filter: blur(4px); animation: flutuar 5s ease-in-out infinite; }
.chip-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ciano); flex: none; }
.chip.azul .chip-dot { background: var(--azul); }
.chip.c1 { top: 9%; left: 0; }
.chip.c2 { top: 27%; right: -4%; animation-delay: 1.2s; }
.chip.c3 { bottom: 25%; left: -5%; animation-delay: 0.6s; }
.chip.c4 { bottom: 5%; right: 7%; animation-delay: 1.8s; }
@media (prefers-reduced-motion: reduce) { .chip { animation: none; } }
@media (max-width: 920px) {
  .hero-inner { grid-template-columns: 1fr; gap: 64px; }
  .hero-art { justify-self: center; width: min(100%, 400px); }
}

/* Cards escuros */
.card-dark { background: var(--tinta); border-radius: 16px; position: relative; overflow: hidden; padding: 48px; }
.tag { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; letter-spacing: 0.06em; margin-bottom: 20px; }
.tag .dot { width: 7px; height: 7px; border-radius: 50%; background: #23A66B; }
.card-dark h3, .h3-dark { font-family: 'Exo 2', sans-serif; font-weight: 400; font-size: 26px; color: var(--nevoa); text-wrap: pretty; margin-bottom: 16px; }
.card-dark p { font-size: 15px; line-height: 1.7; color: var(--texto-claro); max-width: 52ch; }

/* Grades */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 64px; align-items: center; }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 24px; }
.grid-pilares { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px; }
.pilar { border-top: 2px solid var(--borda); padding-top: 24px; }
.pilar .num { font-family: 'Exo 2', sans-serif; font-size: 22px; color: var(--azul); line-height: 1; margin-bottom: 16px; }
.pilar h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.pilar p { font-size: 14px; line-height: 1.6; color: var(--texto-sec); }

/* CTA final e rodapé */
.cta { background: var(--tinta); color: var(--nevoa); position: relative; overflow: hidden; text-align: center; }
.cta-glow { position: absolute; inset: 0; background: radial-gradient(ellipse 50% 60% at 50% 120%, rgba(79,139,255,0.2), transparent); }
.cta-inner { position: relative; padding: 112px 32px; }
.cta h2 { font-family: 'Exo 2', sans-serif; font-weight: 200; font-size: clamp(30px, 4vw, 48px); margin-bottom: 20px; text-wrap: pretty; }
.cta p { font-size: 16px; line-height: 1.7; color: var(--texto-claro); max-width: 48ch; margin: 0 auto 40px; }
.footer { background: var(--tinta); border-top: 1px solid rgba(255,255,255,0.08); }
.footer-inner { max-width: 1120px; margin: 0 auto; padding: 40px 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand .word { font-family: 'Exo 2', sans-serif; font-size: 12px; letter-spacing: 0.34em; color: var(--texto-apagado); }
.footer-brand .slogan { font-size: 12px; color: var(--texto-sec); }
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; font-size: 13px; color: var(--texto-apagado); }
.footer-links a { color: var(--texto-claro); }
.footer-links a:hover { color: var(--ciano); }

/* Loader da marca */
@keyframes chevPulse { 0%, 100% { opacity: 0.2; } 50% { opacity: 1; } }
.loader-overlay { position: fixed; inset: 0; z-index: 100; background: rgba(10,16,24,0.97); display: none; align-items: center; justify-content: center; }
.loader-overlay.aberto { display: flex; }
.loader-box { display: flex; flex-direction: column; align-items: center; gap: 28px; text-align: center; padding: 32px; max-width: 420px; }
.loader-box .chev1 { animation: chevPulse 1.2s ease-in-out infinite; }
.loader-box .chev2 { animation: chevPulse 1.2s ease-in-out 0.2s infinite; }
.loader-box .chev3 { animation: chevPulse 1.2s ease-in-out 0.4s infinite; }
.loader-msg { font-family: 'Exo 2', sans-serif; font-weight: 300; font-size: 20px; line-height: 1.5; color: var(--nevoa); text-wrap: pretty; }