/* ── BASE & TIPOGRAFIA ── */
body {
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Containers */
.container {
  max-width: var(--container);
  margin: 0 auto;
}

/* Sections */
.section {
  padding: var(--section-pad);
}

.section-white   { background: var(--white); }
.section-surface { background: var(--surface); }
.section-dark    { background: var(--ink); color: var(--white); }

/* Tags de seção */
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--green-light);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
}

.section-tag-light {
  background: rgba(255, 255, 255, .12);
  color: var(--white);
}

/* Títulos de seção */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  letter-spacing: .01em;
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: .75rem;
}

.section-title-light { color: var(--white); }

/* Subtítulo de seção */
.section-sub {
  font-size: 16px;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 0;
}

.section-sub-light { color: rgba(255, 255, 255, .6); }

/* Botões gerais */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  transition: background .15s, transform .1s, opacity .15s;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--green-mid);
  color: var(--white);
}
.btn-primary:hover { background: var(--green-dark); }

.btn-ghost {
  background: rgba(255, 255, 255, .12);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, .25);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .2); }

.btn-white {
  background: var(--white);
  color: var(--green);
  margin-top: 1.5rem;
}
.btn-white:hover { background: var(--green-light); }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}