/* Reset mínimo */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5vw + 1rem, 4.4rem); }
h2 { font-size: clamp(1.8rem, 2.6vw + 1rem, 2.6rem); }
h3 { font-size: clamp(1.2rem, 1.2vw + 0.8rem, 1.5rem); }

p { color: var(--color-text-muted); }
p + p { margin-top: var(--space-2); }

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-coral);
  color: var(--color-on-coral);
  padding: var(--space-1) var(--space-2);
  z-index: 100;
}
.skip-link:focus { left: var(--space-2); top: var(--space-2); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(28, 22, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.brand img { width: 34px; height: 34px; }
.brand span {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-1);
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.main-nav a {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color 0.2s var(--ease);
}
.main-nav a:hover,
.main-nav a[aria-current="page"] { color: var(--color-coral); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    inset: 76px 0 0 0;
    background: var(--color-bg);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
    overflow-y: auto;
  }
  .main-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-3);
  }
  .main-nav li { width: 100%; border-bottom: 1px solid var(--color-border); }
  .main-nav a { display: block; padding: var(--space-3) 0; font-size: 1.2rem; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: transform 0.15s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--color-coral); color: var(--color-on-coral); }
.btn-primary:hover { background: #ff8155; }

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-coral); color: var(--color-coral); }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ---------- Hero ---------- */
.hero {
  padding-block: var(--space-6) var(--space-5);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 480px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 62, 165, 0.16), transparent 55%),
    radial-gradient(circle at 75% 10%, rgba(45, 212, 199, 0.14), transparent 55%),
    radial-gradient(circle at 50% 60%, rgba(255, 201, 60, 0.10), transparent 55%);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero-symbol { width: 88px; height: 88px; margin-bottom: var(--space-3); }
.hero-eyebrow {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  font-size: 0.85rem;
  margin-bottom: var(--space-2);
}
.hero h1 { max-width: 16ch; }
.hero .lede { max-width: 56ch; font-size: 1.2rem; margin-top: var(--space-3); }
.hero .btn-row { margin-top: var(--space-4); }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--space-4);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 0 0 rgba(45, 212, 199, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(45, 212, 199, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(45, 212, 199, 0); }
  100% { box-shadow: 0 0 0 0 rgba(45, 212, 199, 0); }
}

/* ---------- Sections ---------- */
.section { padding-block: var(--space-6); }
.section-tight { padding-block: var(--space-5); }
.section-head { max-width: 60ch; margin-bottom: var(--space-4); }
.section-head .hero-eyebrow { margin-bottom: var(--space-1); }
.section-alt { background: var(--color-bg-raised); border-block: 1px solid var(--color-border); }

.grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}
.card h3 { margin-bottom: var(--space-1); }
.card .accent-bar {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  margin-bottom: var(--space-2);
}

/* accent utilities — use no máximo um por tela junto do coral */
.accent-magenta { color: var(--color-magenta); }
.accent-yellow { color: var(--color-yellow); }
.accent-cyan { color: var(--color-cyan); }
.bg-accent-coral { background: var(--color-coral); }
.bg-accent-magenta { background: var(--color-magenta); }
.bg-accent-yellow { background: var(--color-yellow); }
.bg-accent-cyan { background: var(--color-cyan); }

.steps { counter-reset: step; display: grid; gap: var(--space-3); }
.step { display: flex; gap: var(--space-3); align-items: flex-start; }
.step-num {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem;
  background: var(--color-bg-raised-2);
  border: 1px solid var(--color-border);
  color: var(--color-coral);
}

.rules-list { display: grid; gap: var(--space-2); }
.rules-list li {
  padding-left: var(--space-2);
  border-left: 3px solid var(--color-coral);
  color: var(--color-text-muted);
}

.note {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-faint);
  font-size: 0.95rem;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-4);
  margin-top: var(--space-6);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-display);
  font-size: 0.95rem;
}
.footer-brand img { width: 22px; height: 22px; }
.footer-links { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.footer-links a { color: var(--color-text-muted); font-size: 0.95rem; }
.footer-links a:hover { color: var(--color-coral); }
.footer-note { width: 100%; color: var(--color-text-faint); font-size: 0.85rem; margin-top: var(--space-2); }