/* B2 Sistemas — base global (reset, utilitários, assinaturas visuais) */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg-0);
  color: var(--ink-1);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  position: relative;
}

/* Grain global sutil */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

img, svg, video { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p { text-wrap: pretty; }

a { color: inherit; text-decoration: none; }

::selection { background: rgba(252, 157, 19, 0.32); color: var(--ink-1); }

:focus-visible {
  outline: 2px solid var(--brand-2);
  outline-offset: 3px;
  border-radius: 4px;
}

section { scroll-margin-top: 96px; }

/* ---------- Utilitários ---------- */

.container {
  width: min(var(--container), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Eyebrow técnico: <p class="eyebrow"><span class="eyebrow-dot"></span>01 / SOBRE</p> */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.eyebrow-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 12px 1px rgba(252, 157, 19, 0.65);
  flex: none;
}

/* Palavra de destaque em títulos */
.hl {
  font-style: italic;
  font-weight: 800;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-right: 0.06em;
}

/* Cabeçalho padrão de seção */
.section-head { max-width: 720px; margin-bottom: clamp(40px, 6vh, 64px); }
.section-head h2 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  margin-top: 18px;
}
.section-head .lead {
  margin-top: 16px;
  color: var(--ink-2);
  font-size: 1.06rem;
  max-width: 58ch;
}

/* Grid técnico de fundo (usar com posicionamento no pai) */
.bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(247, 242, 231, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 242, 231, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, black 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, black 30%, transparent 75%);
}

/* Glow de marca */
.glow {
  position: absolute;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(252, 157, 19, 0.35), transparent 65%);
  filter: blur(60px);
  opacity: 0.45;
  pointer-events: none;
}

/* ---------- Botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
  will-change: transform;
}

.btn svg { width: 18px; height: 18px; flex: none; }

.btn-primary {
  background: var(--grad-brand);
  color: #1A1000;
  box-shadow: 0 12px 32px -12px rgba(252, 157, 19, 0.55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px -12px rgba(252, 157, 19, 0.7);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink-1);
  background: rgba(247, 242, 231, 0.02);
}
.btn-ghost:hover {
  border-color: var(--line-brand);
  background: rgba(252, 157, 19, 0.07);
  transform: translateY(-2px);
}

/* Link com seta */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--brand-2);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform var(--dur) var(--ease-out); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Cards ---------- */

.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), var(--shadow-card);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-brand);
  background: var(--bg-3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), var(--shadow-pop);
}

/* ---------- Reveal (JS adiciona .is-visible) ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }
[data-reveal-delay="5"] { transition-delay: 0.4s; }
[data-reveal-delay="6"] { transition-delay: 0.48s; }

.no-js [data-reveal] { opacity: 1; transform: none; }

/* ---------- Marquee ---------- */

.marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 0;
  animation: marquee-scroll 38s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Motion safety ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}