/* ── Base ── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container--center {
  text-align: center;
}

.section {
  padding: var(--section-padding) 0;
}

/* ── Typography utilities ── */
.text-lime  { color: var(--lime); }
.text-muted { color: var(--text-muted); }
.fw-600     { font-weight: 600; }

.section-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.7;
  margin: 0 auto 3rem auto;
  text-align: center;
}

.separator {
  width: 40px;
  height: 3px;
  background: var(--lime);
  border-radius: 2px;
  margin-bottom: 2rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.3px;
  padding: 0.85rem 2rem;
  border: none;
  transition: background var(--transition-base), transform var(--transition-fast),
              border-color var(--transition-base), color var(--transition-base);
}

.btn--primary {
  background: var(--lime);
  color: #000;
}
.btn--primary:hover {
  background: var(--lime-hover);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.btn--sm {
  font-size: 13px;
  padding: 0.6rem 1.25rem;
}

.btn--full {
  width: 100%;
}

/* ── Accessibility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}