/* global.css — shared utilities used across all sections */

/* ── Layout ── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--side-pad); }
section { padding: 100px 0; }

/* ── Typography ── */
.display {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4.5vw, 4.8rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid-grey);
  margin-bottom: 1.2rem;
}
.tag::before { content: ''; width: 24px; height: 1px; background: var(--mid-grey); }

/* ── Buttons ── */
.btn-black {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--black); color: var(--white);
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 14px 28px; white-space: nowrap;
  transition: background var(--ease-base), transform var(--ease-fast);
}
.btn-black:hover { background: var(--off-black); transform: translateY(-1px); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid var(--rule); color: var(--dark-grey);
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 13px 28px; white-space: nowrap;
  transition: border-color var(--ease-base), color var(--ease-base), transform var(--ease-fast);
}
.btn-outline:hover { border-color: var(--black); color: var(--black); transform: translateY(-1px); }

.btn-white {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--white); color: var(--black);
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 13px 26px;
  transition: opacity var(--ease-base);
}
.btn-white:hover { opacity: 0.88; }

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--ease-slow), transform var(--ease-slow);
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Page transition ── */
@keyframes fadePageIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.page-enter { animation: fadePageIn 0.4s ease both; }

/* ── Section header split layout ── */
.section-header-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 64px;
}

/* ── Responsive section-header-split ── */
@media (max-width: 768px) {
  .section-header-split { grid-template-columns: 1fr; gap: 1.5rem; }
  section { padding: 72px 0; }
}