/* ============================================================
   base.css — Estilos globais, utilitários e componentes
   compartilhados (botões, seção header, container, divider)
   ============================================================ */

/* overflow-x: hidden deve estar no html, não no body.
   Quando no body, quebra position: fixed — elementos fixos
   passam a se comportar como absolute e não cobrem o viewport. */
html {
  overflow-x: hidden;
}

/* ---- Body ---- */
body {
  font-family: var(--font-body);
  background: var(--color-dark);
  color: #fff;
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ---- Section base ---- */
.section {
  padding-block: var(--spacing-2xl);
  scroll-margin-top: 80px;
}

.section--dark {
  background: var(--color-darker);
}

/* ---- Section header ---- */
.section__header {
  margin-bottom: var(--spacing-xl);
}

.section__tag {
  font-family: var(--font-condensed);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.section__tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--color-accent);
  flex-shrink: 0;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  letter-spacing: 0.04em;
  line-height: 1;
}

.section__sub {
  color: rgba(200, 232, 245, 0.6);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 520px;
  margin-top: 12px;
  font-weight: 300;
}

/* ---- Divider ---- */
.section-divider {
  width: 100%;
  height: 1px;
  border: none;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.2), transparent);
}

.divider {
  width: 60px;
  height: 2px;
  border: none;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  margin-block: var(--spacing-lg);
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--font-condensed);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 36px;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-dark);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: #fff;
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  border: 1px solid rgba(0, 212, 255, 0.5);
  color: var(--color-ice);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--full {
  width: 100%;
  text-align: center;
}

/* ---- Focus visible global ---- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}