/* =============================================================
   intentfirst.ai — Shared Components
   Requires: tokens.css loaded first
   =============================================================

   Contents:
   1. Section structure (.sec, .sec-inner, .sec-label, .sec-title, .sec-desc)
   2. Section illustrations (.sec-illust and modifiers)
   3. CTA section (.cta, .cta-inner, .cta-btn)
   4. Part banners (.part-banner and modifiers)
   5. Footer (.footer)
   6. Concept name hierarchy (.concept-name, .concept-sub)
   ============================================================= */

/* ── 1. Section Structure ── */
.sec {
  padding: clamp(64px, 8vw, 100px) clamp(24px, 4vw, 48px);
}
.sec-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.sec-dim {
  background: var(--bg-2);
}
.sec-label {
  font-family: var(--font-mono);
  font-size: clamp(11px, 0.85vw, 13px);
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-grammar);
  margin-bottom: 14px;
}
.sec-title {
  font-size: var(--sec-title-size, clamp(30px, 3.5vw, 48px));
  font-weight: var(--sec-title-weight, 500);
  letter-spacing: var(--sec-title-tracking, -1.5px);
  line-height: 1.1;
  margin-bottom: 16px;
}
.sec-desc {
  font-size: var(--sec-desc-size, clamp(16px, 1.15vw, 19px));
  font-weight: var(--sec-desc-weight, 300);
  color: var(--text-2);
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 40px;
}

/* ── 2. Section Illustrations ── */
.sec-illust {
  display: block;
  max-width: var(--illust-max-w, 800px);
  width: 100%;
  margin: 36px auto;
  border-radius: 16px;
  background: #fdfcfa;
  border: 1px solid var(--border);
  padding: 24px;
}
.sec-illust--center {
  margin-left: auto;
  margin-right: auto;
}
.sec-illust--wide {
  max-width: 960px;
}
.sec-illust--full {
  max-width: 100%;
  padding: 0;
  border: none;
  border-radius: 0;
  background: none;
}
@media (max-width: 640px) {
  .sec-illust { padding: 16px; }
}

/* ── 3. CTA Section ── */
.cta {
  background: var(--bg-inverse);
  color: var(--text);
  padding: clamp(64px, 8vw, 100px) clamp(24px, 4vw, 48px);
  text-align: center;
}
.cta-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.cta-title {
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 500;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: #f0ece4;
  margin-bottom: 32px;
}
.cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  padding: 14px 28px;
  text-decoration: none;
  border-radius: 0;
  transition: all 0.3s var(--ease);
}
.cta-btn--primary {
  background: #f0ece4;
  color: #08070b;
}
.cta-btn--primary:hover {
  background: #ffffff;
}
.cta-btn--secondary {
  background: rgba(240,236,228,0.08);
  color: rgba(240,236,228,0.7);
  border: 1px solid rgba(240,236,228,0.15);
}
.cta-btn--secondary:hover {
  background: rgba(240,236,228,0.12);
  color: rgba(240,236,228,0.9);
}

/* ── 4. Part Banners ── */
.part-banner {
  padding: 20px clamp(24px, 4vw, 48px);
}
.part-banner-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.part-banner-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  flex-shrink: 0;
}
.part-banner-title {
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: 500;
  color: rgba(255,255,255,0.95);
}
.part-banner-sub {
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.65);
  margin-left: auto;
}
.part-banner--grammar  { background: var(--color-grammar); }
.part-banner--output   { background: var(--color-intent); }
.part-banner--trust    { background: var(--color-brain); }
@media (max-width: 600px) {
  .part-banner-sub { display: none; }
}

/* ── 5. Footer ── */
.footer {
  padding: 40px clamp(24px, 4vw, 48px);
  text-align: center;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-3);
  background: var(--bg);
}
.footer a {
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.3s;
}
.footer a:hover {
  color: var(--color-grammar);
}

/* ── 6. Concept Name Hierarchy ── */
.concept-name {
  font-size: clamp(22px, 2.2vw, 36px);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.concept-sub {
  font-size: clamp(14px, 1vw, 17px);
  font-weight: 400;
  color: var(--text-2);
  margin-bottom: 20px;
}