/* Member AI — base styles */

@font-face {
  font-family: "PP Neue Montreal";
  src: url("fonts/PPNeueMontreal-Thin.otf") format("opentype");
  font-weight: 100 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "PP Neue Montreal";
  src: url("fonts/PPNeueMontreal-Book.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "PP Neue Montreal";
  src: url("fonts/PPNeueMontreal-Medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "PP Neue Montreal";
  src: url("fonts/PPNeueMontreal-Bold.otf") format("opentype");
  font-weight: 600 800;
  font-style: normal;
  font-display: swap;
}

:root {
  /* dark base — graphite */
  --bg:           #0A0A0A;
  --bg-1:         #0E0E0E;
  --surface:      #141414;
  --surface-2:    #1A1A1A;
  --surface-3:    #242424;
  --border:       rgba(255,255,255,0.08);
  --border-strong:rgba(255,255,255,0.16);

  --fg:           #F5F5F4;
  --fg-2:         rgba(245,245,244,0.72);
  --fg-3:         rgba(245,245,244,0.52);
  --fg-muted:     rgba(245,245,244,0.36);

  /* single accent — blue (default) · lime disponível via Tweaks */
  --accent:       #1C80FA;
  --accent-fg:    #FFFFFF;
  --accent-soft:  color-mix(in oklch, var(--accent) 18%, transparent);
  --accent-glow:  color-mix(in oklch, var(--accent) 35%, transparent);

  /* density */
  --section-pad-y: 140px;
  --container: 1280px;
  --gutter: 88px;

  --font-display: "PP Neue Montreal", "Inter", system-ui, sans-serif;
  /* monospace removida do site — toda referência a --font-mono usa a fonte
   * da marca agora (kickers, números, depoimentos). */
  --font-mono:    "PP Neue Montreal", "Inter", system-ui, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-density="compact"] {
  --section-pad-y: 96px;
  --gutter: 64px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
/* IMPORTANTE: NÃO botar overflow-x: hidden no <html> — em Chrome
 * isso muda o root do scroll do <html> pro <body>, o que quebra
 * IntersectionObserver({ root: null }) usado pra reveal-on-scroll
 * (app.jsx:37). Mantemos overflow-x apenas no body. */
body {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  max-width: 100vw;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
@media (max-width: 900px) {
  :root { --gutter: 24px; --section-pad-y: 80px; }
}

/* Typography */
.t-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.t-eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; }
h1 { font-size: clamp(48px, 7vw, 104px); font-weight: 500; }
h2 { font-size: clamp(28px, 3.4vw, 46px); }
h3 { font-size: clamp(24px, 2.2vw, 32px); }
p { margin: 0; color: var(--fg-2); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform 200ms var(--ease), background 200ms var(--ease), box-shadow 200ms var(--ease);
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: 0 0 0 1px color-mix(in oklch, var(--accent) 60%, black), 0 10px 30px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px var(--accent), 0 16px 42px var(--accent-glow); }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover { background: var(--surface); }

/* Section shell */
section {
  padding: var(--section-pad-y) 0;
  position: relative;
}

/* Divider line */
.hairline {
  height: 1px;
  background: var(--border);
  width: 100%;
}

/* Grid background utility */
.bg-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ============ HERO WORDMARK (decorativo) ============
 * Gigante "MEMBER AI" atrás do conteúdo do hero, ancorado na base.
 * MEMBER (esquerda) com outline branco sutil; AI (direita) com
 * outline na cor da marca. .hero precisa ter overflow: hidden e
 * .hero-inner z-index: 2 (já garantidos em components.css).
 */
/* Wrapper relativo que ancora o wordmark ao topo da janela do produto. */
.hero-screen-wrap {
  position: relative;
}
.hero-wordmark {
  position: absolute;
  left: 50%;
  top: 0;
  /* sobe pra metade do wordmark espiar acima da janela; o resto fica
   * escondido ATRÁS da tela (z-index menor que .hero-loop). */
  transform: translate(-50%, -48%);
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(64px, 12vw, 188px);
  line-height: 0.82;
  letter-spacing: -0.04em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.09);
  text-stroke: 1px rgba(255, 255, 255, 0.09);
  pointer-events: none;
  user-select: none;
}
/* "AI" no azul da marca */
.hero-wordmark span {
  -webkit-text-stroke: 1px var(--accent);
  text-stroke: 1px var(--accent);
  opacity: 0.8;
}
@media (max-width: 900px) {
  .hero-wordmark {
    font-size: clamp(46px, 16vw, 116px);
    transform: translate(-50%, -50%);
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.07);
    text-stroke: 1px rgba(255, 255, 255, 0.07);
  }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ============ SCROLLBAR (marca Member AI) ============
 * Track preto que se mistura com o bg do site, thumb com gradient
 * accent (#1C80FA → fade), borda interna do bg pra criar respiro.
 * Suportado nativamente em Chromium/WebKit; Firefox cai no
 * scrollbar-color (cor sólida, sem gradient).
 *
 * IMPORTANTE: scrollbar HORIZONTAL fica completamente desligada —
 * height: 0 + display: none + visibility: hidden pra cobrir todos
 * os engines. A scrollbar azul "fantasma" que aparecia no rodapé
 * era essa horizontal disparada por um element absolute (provavelmente
 * .hero-wordmark ou .footer-xl em viewports estreitos). Body já tem
 * overflow-x: clip + max-width: 100vw como cinto-suspensórios. */
::-webkit-scrollbar {
  width: 12px;
}
::-webkit-scrollbar:horizontal {
  height: 0 !important;
  width: 0 !important;
  display: none !important;
  visibility: hidden !important;
}
::-webkit-scrollbar-track {
  background: var(--bg);
  border-left: 1px solid var(--border);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(
    180deg,
    var(--accent) 0%,
    color-mix(in oklch, var(--accent) 70%, transparent) 100%
  );
  border-radius: 999px;
  border: 3px solid var(--bg);
  background-clip: padding-box;
  transition: background 200ms var(--ease);
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(
    180deg,
    var(--accent) 0%,
    color-mix(in oklch, var(--accent) 90%, var(--fg)) 100%
  );
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:active {
  background: var(--accent);
  background-clip: padding-box;
}
::-webkit-scrollbar-corner {
  background: var(--bg);
}

/* Firefox — sem gradient, mas a cor da marca aparece */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg);
}
