:root {
  --bg: #0b0b12;
  --bg-alt: #11111b;
  --surface: #171724;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f3f3f7;
  --muted: #a3a3b8;
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  --accent-3: #f472b6;
  --radius: 20px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4.2vw, 3.2rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }

.container { width: min(1200px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }
.grad {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .9rem 1.5rem; border-radius: 999px;
  font-weight: 600; font-size: .98rem;
  transition: transform .2s, background .2s, border-color .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--text); color: var(--bg); }
.btn--primary:hover { box-shadow: 0 10px 30px -10px rgba(139, 92, 246, .7); }
.btn--ghost { border: 1px solid var(--border); background: rgba(255,255,255,.03); }
.btn--ghost:hover { border-color: rgba(255,255,255,.25); }
.btn--sm { padding: .55rem 1.1rem; font-size: .9rem; }
.link { color: var(--accent-2); font-weight: 500; font-size: .95rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .8rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--muted); font-weight: 600; margin-bottom: 1.2rem;
}
.eyebrow .num { color: var(--accent); font-family: var(--font-display); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 12px #34d399; }

/* Nav */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav--scrolled { background: rgba(11, 11, 18, .75); backdrop-filter: blur(14px); border-color: var(--border); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 1rem; }
.logo { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--font-display); font-size: 1.35rem; font-weight: 500; letter-spacing: -0.02em; }
.logo b { font-weight: 700; }
.logo__mark { width: 30px; height: 30px; filter: drop-shadow(0 0 14px rgba(139, 92, 246, .45)); }
.nav__links { display: flex; align-items: center; gap: 2rem; font-size: .95rem; }
.nav__links a:not(.btn) { color: var(--muted); transition: color .2s; }
.nav__links a:not(.btn):hover { color: var(--text); }
.nav__right { display: flex; align-items: center; gap: 1rem; }
.lang { font-size: .85rem; font-weight: 600; color: var(--muted); border: 1px solid var(--border); padding: .3rem .6rem; border-radius: 8px; }
.nav__toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; position: relative; }
.nav__toggle span { position: absolute; left: 9px; right: 9px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, top .3s; }
.nav__toggle span:first-child { top: 15px; }
.nav__toggle span:last-child { top: 23px; }
.menu-open .nav__toggle span:first-child { top: 19px; transform: rotate(45deg); }
.menu-open .nav__toggle span:last-child { top: 19px; transform: rotate(-45deg); }

/* Hero */
.hero { position: relative; padding: 150px 0 60px; overflow: hidden; }
.hero__glow {
  position: absolute; inset: -20% -10% auto; height: 700px; pointer-events: none;
  background:
    radial-gradient(40% 50% at 70% 40%, rgba(139, 92, 246, .28), transparent 70%),
    radial-gradient(30% 40% at 85% 20%, rgba(34, 211, 238, .18), transparent 70%),
    radial-gradient(30% 40% at 20% 10%, rgba(244, 114, 182, .10), transparent 70%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.15fr 1fr; gap: 3rem; align-items: center; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34rem; margin: 1.5rem 0 2rem; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero__tags { display: flex; gap: 1.5rem; margin-top: 2.5rem; color: var(--muted); font-size: .9rem; }
.hero__tags li::before { content: '✓'; color: var(--accent-2); margin-right: .45rem; }

.hero__visual { position: relative; height: 460px; }
.orb {
  position: absolute; width: 320px; height: 320px; border-radius: 50%;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: radial-gradient(circle at 30% 30%, #c4b5fd, var(--accent) 45%, #1e1b4b 80%);
  filter: blur(.5px); box-shadow: 0 0 120px rgba(139, 92, 246, .45);
  animation: float 8s ease-in-out infinite;
}
.card-float {
  position: absolute; background: rgba(23, 23, 36, .72); backdrop-filter: blur(16px);
  border: 1px solid var(--border); border-radius: 18px; padding: 1rem;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.6);
}
.card-float--a { width: 260px; top: 30px; left: 0; animation: float 7s ease-in-out infinite; }
.card-float--b { right: 10px; bottom: 10px; padding: .6rem; animation: float 9s ease-in-out infinite reverse; }
.card-float--c { left: 30px; bottom: 50px; padding: .6rem .9rem; animation: float 6s ease-in-out infinite; }
.cf__bar { display: flex; gap: 6px; margin-bottom: 1rem; }
.cf__bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.18); }
.cf__line { height: 8px; border-radius: 6px; background: rgba(255,255,255,.12); margin-bottom: .55rem; }
.w80 { width: 80%; } .w60 { width: 60%; } .w40 { width: 40%; }
.cf__chart { display: flex; align-items: flex-end; gap: 8px; height: 90px; margin-top: 1rem; }
.cf__chart span { flex: 1; border-radius: 6px 6px 2px 2px; background: linear-gradient(var(--accent-2), var(--accent)); }
.phone { width: 140px; height: 250px; border-radius: 22px; background: #0f0f18; border: 1px solid var(--border); padding: 1.6rem .8rem .8rem; position: relative; }
.phone__notch { position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 46px; height: 6px; border-radius: 6px; background: rgba(255,255,255,.15); }
.phone__tile { height: 100px; border-radius: 14px; margin: .6rem 0 .8rem; background: linear-gradient(135deg, var(--accent-3), var(--accent)); }
.chip { font-size: .85rem; font-weight: 500; }

.platforms {
  position: relative; display: flex; flex-wrap: wrap; gap: .6rem 2.5rem; justify-content: center;
  margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border);
  font-family: var(--font-display); color: var(--muted); font-size: 1.05rem;
}

@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -14px; } }

/* Pillars */
.pillars { padding: 3rem 0; }
.pillars__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.pillars p { color: var(--muted); }
.pillars ul { display: flex; flex-wrap: wrap; gap: 1rem; }
.pillars li { padding: .6rem 1.2rem; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--muted); }
.pillars li b { color: var(--text); font-weight: 600; }

/* Sections */
.section { padding: 110px 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section__head { max-width: 640px; margin-bottom: 3.5rem; }
.section__head .muted { margin-top: 1.2rem; font-size: 1.08rem; }

/* Services */
.services { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.2rem; }
.service {
  grid-column: span 2; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem; display: flex; flex-direction: column; gap: .8rem;
  transition: border-color .3s, transform .3s;
}
.service--lg { grid-column: span 3; min-height: 260px; background: linear-gradient(160deg, rgba(139,92,246,.14), var(--surface) 55%); }
.service:hover { border-color: rgba(139, 92, 246, .45); transform: translateY(-4px); }
.service p { color: var(--muted); flex: 1; }
.service__icon {
  width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px;
  background: rgba(139, 92, 246, .15); color: #c4b5fd; font-size: 1.3rem; margin-bottom: .6rem;
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; counter-reset: s; }
.steps li { padding: 2rem 1.6rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg); position: relative; }
.steps__n { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; background: linear-gradient(var(--accent), transparent); -webkit-background-clip: text; background-clip: text; color: transparent; }
.steps h3 { margin: .8rem 0 .5rem; }
.steps p { color: var(--muted); font-size: .95rem; }

/* Projects */
.projects { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: auto auto; gap: 1.2rem; }
.project { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: var(--surface); display: flex; flex-direction: column; }
.project--1 { grid-row: span 2; }
.project__art { flex: 1; min-height: 200px; }
.project--1 .project__art { min-height: 380px; background: radial-gradient(circle at 30% 30%, rgba(34,211,238,.45), transparent 50%), linear-gradient(135deg, #312e81, #0e7490); }
.project--2 .project__art { background: radial-gradient(circle at 70% 40%, rgba(244,114,182,.5), transparent 55%), linear-gradient(135deg, #4c1d95, #1e1b4b); }
.project--3 .project__art { background: radial-gradient(circle at 40% 60%, rgba(250,204,21,.4), transparent 55%), linear-gradient(135deg, #7c2d12, #4c1d95); }
.project__meta { padding: 1.5rem 1.8rem 1.8rem; }
.project__meta p { color: var(--muted); font-size: .95rem; margin-top: .3rem; }
.tag { display: inline-block; font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-2); margin-bottom: .5rem; }

/* About */
.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: start; }
.about .muted { margin-top: 1.4rem; font-size: 1.08rem; }
.values { display: grid; gap: 1rem; }
.values li { display: flex; gap: 1.2rem; padding: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.values span { font-family: var(--font-display); color: var(--accent); font-weight: 700; }
.values p { color: var(--muted); font-size: .95rem; margin-top: .25rem; }
.stack { margin-top: 5rem; text-align: center; }
.stack__label { color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .14em; margin-bottom: 1.4rem; }
.stack ul { display: flex; flex-wrap: wrap; justify-content: center; gap: .7rem; }
.stack li { padding: .55rem 1.2rem; border-radius: 999px; border: 1px solid var(--border); font-family: var(--font-display); font-weight: 500; background: var(--surface); }

/* CTA */
.cta {
  position: relative; overflow: hidden; text-align: center;
  padding: 5rem 2rem; border-radius: 32px; border: 1px solid var(--border);
  background: linear-gradient(160deg, #1b1533, #0f1726);
}
.cta__glow { position: absolute; inset: 0; background: radial-gradient(50% 60% at 50% 0%, rgba(139,92,246,.35), transparent 70%); pointer-events: none; }
.cta > * { position: relative; }
.cta .muted { margin: 1.2rem auto 2.2rem; max-width: 30rem; font-size: 1.08rem; }
.cta .hero__ctas { justify-content: center; }

/* Footer */
.footer { padding: 4rem 0 2rem; border-top: 1px solid var(--border); }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; }
.footer__inner .muted { margin-top: .6rem; }
.footer__links { display: flex; flex-wrap: wrap; gap: 1.5rem; color: var(--muted); }
.footer__links a:hover { color: var(--text); }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border); color: var(--muted); font-size: .85rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 980px) {
  .hero__inner, .about { grid-template-columns: 1fr; }
  .hero__visual { height: 380px; max-width: 480px; width: 100%; margin-inline: auto; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .service, .service--lg { grid-column: span 3; }
  .projects { grid-template-columns: 1fr; }
  .project--1 { grid-row: auto; }
  .project--1 .project__art { min-height: 260px; }
}

@media (max-width: 820px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: fixed; inset: 72px 0 auto; flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(11, 11, 18, .97); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border); padding: .5rem 16px 1.5rem;
    transform: translateY(-120%); opacity: 0; pointer-events: none;
    transition: transform .35s, opacity .35s;
  }
  .nav__links a:not(.btn) { padding: 1rem 0; border-bottom: 1px solid var(--border); font-size: 1.05rem; }
  .nav__cta { margin-top: 1.2rem; justify-content: center; }
  .menu-open .nav__links { transform: none; opacity: 1; pointer-events: auto; }
  .menu-open .nav { background: rgba(11, 11, 18, .97); }
}

@media (max-width: 640px) {
  .hero { padding-top: 120px; }
  .hero__visual { height: 320px; }
  .orb { width: 220px; height: 220px; }
  .card-float--a { width: 200px; }
  .phone { width: 110px; height: 200px; }
  .phone__tile { height: 70px; }
  .services { grid-template-columns: 1fr; }
  .service, .service--lg { grid-column: auto; min-height: 0; }
  .steps { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .hero__tags { flex-direction: column; gap: .5rem; }
  .cta { padding: 3.5rem 1.4rem; }
  .btn { justify-content: center; }
  .hero__ctas .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* Acessibilidade e SEO */
.skip {
  position: absolute; left: 16px; top: 12px; z-index: 100;
  width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap;
  background: var(--text); color: var(--bg); border-radius: 999px; font-weight: 600; font-size: .9rem;
}
.skip:focus-visible {
  width: auto; height: auto; overflow: visible; clip-path: none;
  padding: .6rem 1.1rem; outline: 2px solid var(--accent); outline-offset: 3px;
  box-shadow: 0 10px 30px -10px rgba(139, 92, 246, .7);
}
h2.stack__label { font-family: var(--font-body); font-size: .85rem; font-weight: 600; letter-spacing: .14em; line-height: 1.6; }