/* ===== AI WORKFLOW & AGENT PLATFORM — page-specific components ===== */
/* Reuses styles.css design tokens, nav, hero, btn, cta, footer. */

.plat { padding: 100px 0; }
.plat-white { background: var(--white); }
.plat-light { background: var(--light-bg); position: relative; }
.plat-light::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--light-border); }

.plat-head { max-width: 640px; }
.plat-head .section-subtitle { margin-top: 0; }

/* ---- 6-up feature grid (platform overview) ---- */
.plat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.plat-card {
  background: var(--white); border: 1px solid var(--light-border); border-radius: 16px;
  padding: 32px 28px; box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.plat-card:hover { border-color: var(--light-border-hover); transform: translateY(-4px); box-shadow: 0 12px 32px rgba(106,26,132,0.08); }
.plat-card-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 52px; height: 52px; padding: 0 14px; border-radius: 14px;
  font-family: var(--font-body); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.04em;
  margin-bottom: 20px;
}
.plat-grid .plat-card:nth-child(1) .plat-card-badge { background: var(--purple-pale); color: var(--purple); }
.plat-grid .plat-card:nth-child(2) .plat-card-badge { background: var(--magenta-pale); color: var(--magenta); }
.plat-grid .plat-card:nth-child(3) .plat-card-badge { background: var(--gold-pale); color: var(--gold); }
.plat-grid .plat-card:nth-child(4) .plat-card-badge { background: var(--success-pale); color: var(--success); }
.plat-grid .plat-card:nth-child(5) .plat-card-badge { background: rgba(96,165,250,0.14); color: #2563EB; }
.plat-grid .plat-card:nth-child(6) .plat-card-badge { background: rgba(20,184,166,0.14); color: #0D9488; }
.plat-card-title { font-family: var(--font-body); font-size: 1.15rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; line-height: 1.3; }
.plat-card-desc { font-size: 0.9rem; color: var(--text-muted-light); line-height: 1.6; }

/* ---- two-column split with panels ---- */
.plat-split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 56px; align-items: stretch; }
.plat-panel {
  background: var(--white); border: 1px solid var(--light-border); border-radius: 16px;
  padding: 36px 32px; box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.plat-light .plat-panel { box-shadow: 0 2px 12px rgba(0,0,0,0.03); }
.plat-panel-label { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--purple); margin-bottom: 24px; }

/* ---- file format rows ---- */
.plat-format { display: flex; align-items: center; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--light-border); }
.plat-format:last-child { border-bottom: none; padding-bottom: 0; }
.plat-format-ext {
  font-family: 'DM Sans', monospace; font-weight: 700; color: var(--purple);
  background: var(--purple-pale); padding: 8px 0; border-radius: 8px;
  font-size: 0.85rem; min-width: 70px; text-align: center; flex-shrink: 0;
}
.plat-format-desc { font-size: 0.9rem; color: var(--text-body); line-height: 1.5; }

/* ---- retrieval / generic mode rows ---- */
.plat-mode { padding: 18px 0; border-bottom: 1px solid var(--light-border); }
.plat-mode:first-of-type { padding-top: 0; }
.plat-mode:last-child { border-bottom: none; padding-bottom: 0; }
.plat-mode-name { font-weight: 700; color: var(--text-dark); margin-bottom: 6px; font-size: 1rem; }
.plat-mode-desc { font-size: 0.88rem; color: var(--text-muted-light); line-height: 1.55; }

/* ---- checklist ---- */
.plat-check { list-style: none; display: flex; flex-direction: column; gap: 13px; }
.plat-check li { font-size: 0.9rem; color: var(--text-body); padding-left: 26px; position: relative; line-height: 1.5; }
.plat-check li::before { content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 700; }

/* ---- 2-up feature cards (workflow) ---- */
.plat-features-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 56px; }
.plat-feature {
  background: var(--white); border: 1px solid var(--light-border); border-radius: 14px;
  padding: 28px; box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.plat-feature:hover { border-color: var(--light-border-hover); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(106,26,132,0.08); }
.plat-feature-title { font-weight: 700; color: var(--text-dark); font-size: 1.05rem; margin-bottom: 12px; display: flex; align-items: center; gap: 12px; }
.plat-feature-icon { font-size: 1.3rem; line-height: 1; }
.plat-feature-desc { font-size: 0.88rem; color: var(--text-muted-light); line-height: 1.6; }

/* ---- 4-up enterprise grid ---- */
.plat-quad { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 56px; }
.plat-quad .plat-feature { padding: 28px 24px; }
.plat-quad .plat-panel-label { margin-bottom: 18px; }

/* ---- capability cards (super agent right column) ---- */
.plat-caps { display: flex; flex-direction: column; gap: 16px; }
.plat-cap { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; padding: 16px 0; border-bottom: 1px solid var(--light-border); }
.plat-cap:first-child { padding-top: 0; }
.plat-cap:last-child { border-bottom: none; padding-bottom: 0; }
.plat-cap-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--purple-pale); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.plat-cap-name { font-weight: 700; color: var(--text-dark); font-size: 0.95rem; margin-bottom: 3px; }
.plat-cap-desc { font-size: 0.84rem; color: var(--text-muted-light); line-height: 1.5; }

/* ---- architecture pipeline ---- */
.plat-arch { display: flex; align-items: stretch; justify-content: center; flex-wrap: wrap; gap: 0; margin-top: 56px; }
.plat-step {
  flex: 1; min-width: 150px; max-width: 220px; background: var(--white);
  border: 1px solid var(--light-border); border-radius: 14px; padding: 28px 20px;
  text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.plat-step:hover { border-color: var(--light-border-hover); transform: translateY(-4px); box-shadow: 0 12px 32px rgba(106,26,132,0.08); }
.plat-step-num { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--purple); line-height: 1; margin-bottom: 14px; }
.plat-step-title { font-family: var(--font-body); font-weight: 700; color: var(--text-dark); font-size: 1rem; margin-bottom: 8px; }
.plat-step-desc { font-size: 0.8rem; color: var(--text-muted-light); line-height: 1.5; }
.plat-arch-arrow { display: flex; align-items: center; justify-content: center; color: var(--purple); font-size: 1.3rem; padding: 0 6px; flex-shrink: 0; }

/* ---- responsive ---- */
@media (max-width: 1024px) {
  .plat-grid { grid-template-columns: 1fr 1fr; }
  .plat-quad { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .plat { padding: 72px 0; }
  .plat-grid { grid-template-columns: 1fr; }
  .plat-split { grid-template-columns: 1fr; }
  .plat-features-list { grid-template-columns: 1fr; }
  .plat-quad { grid-template-columns: 1fr; }
  .plat-arch { flex-direction: column; align-items: stretch; }
  .plat-step { max-width: none; }
  .plat-arch-arrow { transform: rotate(90deg); padding: 10px 0; }
}