:root {
  --bg: #000;
  --bg-2: #0a0a0b;
  --surface: #161617;
  --surface-2: #1d1d1f;
  --line: rgba(255, 255, 255, .1);
  --line-strong: rgba(255, 255, 255, .18);
  --text: #f5f5f7;
  --muted: #a1a1a6;
  --faint: #6e6e73;
  --acid: #ff6b1a;
  --acid-hover: #ff7f38;
  --acid-soft: rgba(255, 107, 26, .14);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", Inter, "Segoe UI", Roboto, sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", Inter, "Segoe UI", Roboto, sans-serif;
  --pad: clamp(1.25rem, 5vw, 4rem);
  --max: 1120px;
  --radius: 28px;
  --radius-sm: 18px;
  --ease: cubic-bezier(.28, .11, .32, 1);
  --header: 3.5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -.012em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--acid); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--acid); color: #000; }

.container { max-width: var(--max); margin: 0 auto; }

/* Header — vidro fosco, como a barra do apple.com */
.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  height: var(--header);
  background: rgba(22, 22, 23, .72);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: 100%;
  max-width: calc(var(--max) + 2 * var(--pad));
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--display); font-weight: 600; font-size: 1rem; letter-spacing: -.02em; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 8px;
  background: var(--acid);
  color: #000;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: -.04em;
}
.site-header nav { display: flex; align-items: center; gap: 2rem; font-size: .8rem; }
.site-header nav a { color: var(--muted); transition: color .2s var(--ease); }
.site-header nav a:hover { color: var(--text); }
.site-header .nav-cta { color: #000; background: var(--acid); border-radius: 980px; padding: .35rem .85rem; font-weight: 500; }
.site-header .nav-cta:hover { color: #000; background: var(--acid-hover); }

.menu-button { display: none; width: 2.75rem; height: 2.75rem; margin-right: -.6rem; border: 0; background: none; cursor: pointer; position: relative; }
.menu-button span { position: absolute; left: .85rem; right: .85rem; height: 1.5px; background: var(--text); border-radius: 2px; transition: transform .35s var(--ease); }
.menu-button span:first-child { top: 1.1rem; }
.menu-button span:last-child { top: 1.55rem; }
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(.225rem) rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-.225rem) rotate(-45deg); }
.mobile-nav { display: none; }

/* Botões e links */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: .75rem 1.4rem;
  border-radius: 980px;
  background: var(--acid);
  color: #000;
  font-weight: 500;
  font-size: 1.0625rem;
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.button:hover { background: var(--acid-hover); }
.button:active { transform: scale(.97); }
.button-dark { background: #000; color: var(--text); }
.button-dark:hover { background: #1d1d1f; }
.text-link { color: var(--acid); font-size: 1.0625rem; display: inline-flex; align-items: center; gap: .25rem; min-height: 2.75rem; }
.text-link span { font-size: 1.3em; line-height: 1; transition: transform .2s var(--ease); }
.text-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.text-link:hover span { transform: translateX(3px); }

/* Tipografia de seção */
.eyebrow, .section-label { font-size: .875rem; font-weight: 600; color: var(--acid); letter-spacing: -.005em; }
.section h2, .hero h1 { font-family: var(--display); font-weight: 600; letter-spacing: -.035em; }

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  padding: calc(var(--header) + clamp(4rem, 12vh, 8rem)) var(--pad) clamp(4rem, 10vh, 7rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 58%;
  width: min(70rem, 140vw);
  aspect-ratio: 2 / 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(255, 107, 26, .16), transparent);
  pointer-events: none;
  z-index: -1;
}
.hero h1 { font-size: clamp(2.75rem, 7.2vw, 6rem); line-height: 1.04; margin: 1rem 0 1.5rem; max-width: 16ch; }
.hero h1 em { font-style: normal; color: var(--faint); }
.hero h1 .accent { color: var(--acid); }
.hero-sub { max-width: 38rem; margin: 0 auto; color: var(--muted); font-size: clamp(1.1rem, 1.6vw, 1.35rem); line-height: 1.4; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .75rem 1.75rem; margin-top: 2.25rem; }

/* Seções */
.section { padding: clamp(5rem, 12vw, 9rem) var(--pad); }
.section-heading { text-align: center; max-width: 46rem; margin: 0 auto clamp(3rem, 6vw, 4.5rem); }
.section-heading h2 { font-size: clamp(2.4rem, 5.2vw, 4rem); line-height: 1.06; margin: .75rem 0 1rem; }
.section-heading p { color: var(--muted); font-size: clamp(1.05rem, 1.5vw, 1.25rem); margin: 0; }

.manifesto { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.manifesto .container { max-width: 58rem; }
.manifesto h2 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); line-height: 1.1; margin: .75rem 0 1.75rem; }
.manifesto h2 span { color: var(--faint); }
.manifesto p { color: var(--muted); font-size: clamp(1.1rem, 1.7vw, 1.4rem); line-height: 1.45; max-width: 44rem; margin: 0; }

/* Cartões */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  transition: transform .5s var(--ease), background .3s var(--ease), box-shadow .5s var(--ease);
}
.card h3 { font-family: var(--display); font-weight: 600; font-size: clamp(1.4rem, 2vw, 1.75rem); line-height: 1.12; letter-spacing: -.025em; margin: 0 0 .75rem; }
.card p { color: var(--muted); margin: 0; font-size: 1rem; line-height: 1.5; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.service { display: flex; flex-direction: column; min-height: 17rem; }
.service:hover { transform: translateY(-4px) scale(1.01); background: var(--surface-2); box-shadow: 0 24px 48px -24px rgba(0, 0, 0, .8); }
.card-index { font-size: .8rem; font-weight: 600; color: var(--faint); padding-bottom: 2.5rem; font-variant-numeric: tabular-nums; }
.service-open { background: var(--acid); color: #000; }
.service-open:hover { background: var(--acid-hover); }
.service-open .card-index, .service-open p { color: rgba(0, 0, 0, .66); }
.card-link { margin-top: auto; padding-top: 1.5rem; font-weight: 600; display: inline-flex; gap: .25rem; align-items: center; }
.card-link span { font-size: 1.3em; line-height: 1; transition: transform .2s var(--ease); }
.service-open:hover .card-link span { transform: translateX(3px); }

.method-steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.step-num {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--acid-soft);
  color: var(--acid);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 2.5rem;
}

.statement { text-align: center; }
.statement p { color: var(--faint); font-size: clamp(1.2rem, 2vw, 1.6rem); margin: 0 0 1rem; }
.statement h2 { font-size: clamp(2.6rem, 6.6vw, 5.5rem); line-height: 1.04; margin: 0 auto; max-width: 18ch; }
.statement h2 span { color: var(--acid); }

/* Contato — cartão laranja */
.contact-wrap { padding: 0 var(--pad) clamp(4rem, 8vw, 6rem); }
.contact {
  max-width: var(--max);
  margin: 0 auto;
  background: var(--acid);
  color: #000;
  border-radius: calc(var(--radius) + 8px);
  padding: clamp(3.5rem, 9vw, 7rem) var(--pad);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-kicker { font-size: .875rem; font-weight: 600; display: flex; align-items: center; gap: .55rem; }
.pulse { width: .5rem; height: .5rem; border-radius: 50%; background: #000; box-shadow: 0 0 0 0 rgba(0, 0, 0, .45); animation: pulse 2s infinite; }
.contact h2 { font-family: var(--display); font-weight: 600; letter-spacing: -.035em; font-size: clamp(2.4rem, 5.6vw, 4.5rem); line-height: 1.05; margin: 1.25rem 0 1rem; max-width: 15ch; }
.contact p { font-size: clamp(1.05rem, 1.5vw, 1.25rem); margin: 0 0 2.25rem; color: rgba(0, 0, 0, .72); }

/* Rodapé */
footer { border-top: 1px solid var(--line); padding: 2.5rem var(--pad) 2rem; font-size: .8rem; color: var(--faint); }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 3rem; align-items: center; }
.footer-inner .brand { color: var(--text); }
.footer-inner > p { margin: 0; justify-self: end; text-align: right; max-width: 22rem; }
.footer-meta { grid-column: 1 / -1; display: flex; justify-content: space-between; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.footer-meta a:hover { color: var(--text); }

/* Animação de entrada — só quando o JS está ativo */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.visible { opacity: 1; transform: none; }

@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(0, 0, 0, 0); } 100% { box-shadow: 0 0 0 0 rgba(0, 0, 0, 0); } }

@media (max-width: 980px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .method-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 800px) {
  .site-header nav { display: none; }
  .menu-button { display: block; }
  .mobile-nav {
    position: fixed;
    z-index: 19;
    inset: var(--header) 0 auto;
    display: flex;
    flex-direction: column;
    padding: .5rem var(--pad) 1.5rem;
    background: rgba(22, 22, 23, .92);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  }
  .mobile-nav.open { opacity: 1; visibility: visible; transform: none; }
  .mobile-nav a { font-family: var(--display); font-size: 1.6rem; font-weight: 600; letter-spacing: -.02em; padding: .7rem 0; border-bottom: 1px solid var(--line); }
  .mobile-nav a:last-child { border-bottom: 0; color: var(--acid); }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-inner > p { justify-self: start; text-align: left; }
  .footer-meta { grid-column: auto; }
}

@media (max-width: 600px) {
  .service-grid, .method-steps { grid-template-columns: 1fr; }
  .service { min-height: 0; }
  .card-index { padding-bottom: 1.75rem; }
  .step-num { margin-bottom: 1.5rem; }
  .hero-actions { flex-direction: column; }
  .contact { border-radius: var(--radius); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}