/* ==========================================================================
   ARENA 27 — BASE / PRIMITIVAS
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  background: var(--bg-950);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

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

::selection { background: var(--blue); color: #080a08; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.skip-link {
  position: absolute; top: 8px; left: 8px; z-index: 999;
  padding: 10px 16px; background: var(--blue); color: #080a08;
  font-weight: 700; border-radius: var(--r-sm);
  transform: translateY(-200%);
  transition: transform var(--t-base) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* --- Textura de fundo --------------------------------------------------- */

.bg-field {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(900px 600px at 78% 8%, rgba(0, 162, 255, 0.045), transparent 62%),
    radial-gradient(1100px 700px at 12% 32%, rgba(255, 255, 255, 0.028), transparent 60%),
    radial-gradient(800px 800px at 50% 108%, rgba(0, 162, 255, 0.03), transparent 60%),
    var(--bg-950);
}

.bg-field::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 20%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 20%, transparent 78%);
}

.bg-grain {
  position: fixed; top: 0; left: 0; z-index: -1; pointer-events: none;
  width: 100%; height: 100%;
  opacity: 0.05;
}

/* --- Layout ------------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--content-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(48px, 7vw, 110px); }

.rule {
  height: 1px; border: 0; margin: 0;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

/* --- Tipografia --------------------------------------------------------- */

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 var(--s-5);
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px; background: var(--blue); opacity: 0.7;
}
.eyebrow--plain::before { display: none; }
.eyebrow b { color: var(--blue); font-weight: 400; }

.display, .h1, .h2, .h3 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
  margin: 0;
  text-wrap: balance;
}

.display { font-size: var(--fs-hero); font-weight: 900; }
.h1 { font-size: var(--fs-display); font-weight: 900; }
.h2 { font-size: var(--fs-h2); }
.h3 { font-size: var(--fs-h3); line-height: 0.95; }
.h4 {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: var(--fs-h4); line-height: 1; letter-spacing: -0.01em; margin: 0;
}

.lead { font-size: var(--fs-body-lg); color: var(--text-2); max-width: 62ch; }
.muted { color: var(--text-2); }
.dim { color: var(--text-3); }
.accent { color: var(--blue); }
.mono { font-family: var(--font-mono); }

.section-head { max-width: 920px; margin-bottom: clamp(40px, 5vw, 72px); }
.section-head .lead { margin-top: var(--s-6); }

/* --- Botões ------------------------------------------------------------- */

.btn {
  --btn-bg: var(--blue);
  --btn-fg: #080a08;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 60px;
  padding: 0 32px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  transition: transform var(--t-base) var(--ease),
              background-color var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease),
              color var(--t-base) var(--ease);
}

.btn .arrow { transition: transform var(--t-base) var(--ease); }
.btn:hover { transform: translateY(-2px); background: var(--blue-light); box-shadow: var(--shadow-cta); }
.btn:hover .arrow { transform: translateX(4px); }
.btn:active { transform: scale(0.985); }
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none;
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--text-1);
  border-color: var(--border-hover);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: none;
}

.btn--outline {
  --btn-bg: transparent;
  --btn-fg: var(--blue);
  border-color: rgba(0, 162, 255, 0.4);
}
.btn--outline:hover { background: var(--blue-dim); border-color: var(--blue); box-shadow: none; }

.btn--sm { min-height: 44px; padding: 0 20px; font-size: 13px; }
.btn--block { width: 100%; }

.btn__price {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  opacity: 0.62;
  padding-left: 12px;
  margin-left: 2px;
  border-left: 1px solid currentColor;
}

.btn--loading { pointer-events: none; color: transparent; }
.btn--loading::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(8, 10, 8, 0.25); border-top-color: #080a08;
  animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Badges e labels ---------------------------------------------------- */

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.03);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
}
.badge--blue { border-color: rgba(0,162,255,.32); background: var(--blue-dim); color: var(--blue); }
.badge--gold { border-color: rgba(232,198,106,.3); background: rgba(232,198,106,.07); color: var(--gold); }

.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); flex: none; }
.dot--pulse { animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,162,255,.5); }
  70% { box-shadow: 0 0 0 8px rgba(0,162,255,0); }
}

/* --- Glass card --------------------------------------------------------- */

.glass {
  position: relative;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  backdrop-filter: blur(18px) saturate(125%);
  border: 1px solid var(--border-glass);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
}
.glass::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(180deg, var(--inner-highlight), transparent 42%);
  pointer-events: none;
}

/* --- Reveal ------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-reveal) var(--ease), transform var(--t-reveal) var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 90ms; }
.reveal[data-delay="2"] { transition-delay: 180ms; }
.reveal[data-delay="3"] { transition-delay: 270ms; }
.reveal[data-delay="4"] { transition-delay: 360ms; }

@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;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__media img { transform: none !important; }
}