/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ── TOKENS ── */
:root {
  --carbono:  #0B0B0B;
  --osso:     #F4F1EA;
  --voltagem: #C9F23E;
  --nevoa:    #9A968D;
  --fio:      #1F1F1F;
  --fio-mid:  #242424;

  --f-display: 'Space Grotesk', sans-serif;
  --f-mono:    'JetBrains Mono', monospace;

  --sz-display: clamp(52px, 7.5vw, 88px);
  --sz-h1:      clamp(36px, 5vw,   56px);
  --sz-h3:      clamp(18px, 2.2vw, 24px);
  --sz-body:    16px;
  --sz-meta:    12px;

  --sp-sm:  8px;
  --sp-md:  16px;
  --sp-lg:  24px;
  --sp-xl:  40px;
  --sp-2xl: 64px;
  --sp-3xl: 96px;
}

/* ── BASE ── */
html { scroll-behavior: smooth; }

body {
  background: var(--carbono);
  color: var(--osso);
  font-family: var(--f-display);
  font-size: var(--sz-body);
  line-height: 1.625;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

main { position: relative; z-index: 2; }

section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px var(--sp-2xl) var(--sp-3xl);
}

.container { width: 100%; max-width: 1080px; margin: 0 auto; }

/* ── REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity   0.85s cubic-bezier(0.2, 0.9, 0.3, 1),
    transform 0.85s cubic-bezier(0.2, 0.9, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.rd-1 { transition-delay: 0.10s; }
.rd-2 { transition-delay: 0.20s; }
.rd-3 { transition-delay: 0.32s; }
.rd-4 { transition-delay: 0.44s; }
.rd-5 { transition-delay: 0.56s; }

/* ── EYEBROW ── */
.eyebrow {
  font-family: var(--f-mono);
  font-size: var(--sz-meta);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--voltagem);
  margin-bottom: var(--sp-lg);
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  text-shadow: 0 1px 12px rgba(0,0,0,0.9);
}
.eyebrow::after {
  content: '';
  display: inline-block;
  width: 36px;
  height: 1px;
  background: var(--voltagem);
  opacity: 0.45;
}

/* ── HEADING SHADOW ── */
h1, h2, h3,
.hero-display, .sobre-h, .cta-display {
  text-shadow: 0 2px 32px rgba(0,0,0,0.85), 0 6px 64px rgba(0,0,0,0.55);
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-family: var(--f-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--carbono);
  background: var(--voltagem);
  padding: 14px 28px;
  text-decoration: none;
  transition: opacity 0.2s cubic-bezier(0.2, 0.9, 0.3, 1);
}
.btn-primary:hover { opacity: 0.82; }

.btn-ghost {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(154,150,141,0.9);
  text-decoration: none;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--osso); }

/* ── GLASS PANEL ── */
.glass-panel {
  background: rgba(11,11,11,0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.07);
  padding: var(--sp-xl) var(--sp-2xl);
  margin-bottom: var(--sp-2xl);
}

/* ── TAGS ── */
.tags { display: flex; flex-wrap: wrap; gap: var(--sp-sm); }
.tag {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(154,150,141,0.9);
}