/* ── LAYOUT ─────────────────────────────────────────────────────────────────
   Container, section scaffolding, section-level grids, all breakpoints.
   Component internals (type sizes, colours) live in components.css.
   ──────────────────────────────────────────────────────────────────────── */

section {
  position: relative;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.section-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 32px;
}

/* ── HERO ── */
#hero {
  background-color: var(--deep);
  /* background-image: radial-gradient(ellipse 55% 60% at 80% 10%, rgba(219,255,0,0.10) 0%, transparent 70%); */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: 64px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero-inner {
  padding: 0 var(--page-pad);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-top {
  padding-top: 120px;
}

/* ── PROBLEM ── */
#problem {
  background: var(--canvas);
  padding: 120px 0;
  border-bottom: 1px solid var(--border);
}

#problem .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* ── WHAT WE BUILD ── */
#what {
  background: var(--deep);
  padding: 120px 0;
  border-bottom: 1px solid var(--border);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  margin-bottom: 80px;
}

/* ── CORE FOCUS ── */
#focus {
  background: var(--canvas);
  padding: 120px 0;
  border-bottom: 1px solid var(--border);
}

#focus .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* ── PLANS ── */
#plans {
  background: var(--deep);
  padding: 120px 0;
  border-bottom: 1px solid var(--border);
}

.plans-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-bottom: 32px;
}

/* ── PROCESS ── */
#process {
  background: var(--deep);
  padding: 120px 0;
  border-bottom: 1px solid var(--border);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
}

/* ── WORK ── */
#work {
  background: var(--canvas);
  padding: 120px 0;
  border-bottom: 1px solid var(--border);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.12);
}

/* Third card spans full width */
.work-card:last-child {
  grid-column: 1 / -1;
  aspect-ratio: 16/6;
}

/* ── FAQ ── */
#faq {
  background: var(--deep);
  padding: 120px 0;
  border-bottom: 1px solid var(--border);
}

#faq .container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  align-items: start;
}

/* ── FINAL CTA ── */
#cta {
  background: var(--canvas);
  padding: 120px 0;
}

#cta .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* ── FOOTER ── */
footer {
  background: var(--deep);
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}


/* ════════════════════════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ════════════════════════════════════════════════════════════════════════════

   Tablet  →  max-width: 1024px
   Mobile  →  max-width: 640px
*/

/* ── TABLET (≤ 1024px) ── */
@media (max-width: 1024px) {
  :root { --page-pad: 32px; }

  #problem .container,
  #focus .container,
  #cta .container { gap: 48px; }

  .comparison-grid  { grid-template-columns: 1fr 1fr; }
  .process-grid     { grid-template-columns: 1fr 1fr; }

  #faq .container {
    grid-template-columns: 220px 1fr;
    gap: 48px;
  }

  .hero-top { padding-top: 96px; }

  .plan-studio { padding: 40px 36px; }
}

/* ── MOBILE (≤ 640px) ── */
@media (max-width: 640px) {
  :root         { --page-pad: 20px; }
  nav           { height: 56px; }

  /* Stack all two-column layouts */
  #problem .container,
  #focus .container,
  #cta .container { grid-template-columns: 1fr; gap: 40px; }

  /* Collapse three-column comparison to single */
  .comparison-grid { grid-template-columns: 1fr; }
  .comparison-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .comparison-item:last-child { border-bottom: none; }

  /* Collapse process grid to single */
  .process-grid { grid-template-columns: 1fr; }
  .process-phase {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .process-phase:last-child { border-bottom: none; }

  /* Plans */
  .plans-grid  { grid-template-columns: 1fr; }
  .plan-studio { padding: 28px 20px; }
  .plan-studio-meta { grid-template-columns: 1fr; gap: 24px; }
  .plan-studio-tag  { right: 20px; }

  /* Work */
  .work-grid { grid-template-columns: 1fr; }
  .work-card:last-child { grid-column: auto; aspect-ratio: 4/3; }

  /* FAQ */
  #faq .container { grid-template-columns: 1fr; gap: 40px; }
  #faq h2         { position: static; }

  /* Hero */
  #hero     { padding-top: 56px; }
  .hero-top { padding-top: 64px; }

  /* CTA section padding */
  #problem, #what, #focus, #plans, #process, #work, #faq, #cta {
    padding: 72px 0;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  .footer-links { justify-content: center; flex-wrap: wrap; gap: 16px 24px; }

  /* Panel full-screen on mobile */
  #slide-panel { max-width: 100%; padding: 32px 20px; }
}