/**
 * Sanjal Enterprises — Shared Section Styles
 * Used by /ai-suite, /solutions, /consulting and /platform pages:
 * breadcrumbs, hero bands, cards, badges, CTA bands, process steps,
 * comparison/definition tables and placeholder proof blocks.
 *
 * Loaded in addition to tokens.css / base.css / layout.css.
 */

/* ---------------------------------------------------------
 * Breadcrumb
 * ------------------------------------------------------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding-block: var(--space-4) var(--space-5);
}

.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb__sep { opacity: 0.5; }
.breadcrumb__current { color: var(--color-heading); font-weight: var(--fw-medium); }

/* ---------------------------------------------------------
 * Hero band
 * ------------------------------------------------------- */
.hero-band {
  background:
    radial-gradient(ellipse 70% 55% at 100% 0%, rgba(11, 148, 140, 0.14), transparent 55%),
    linear-gradient(180deg, var(--color-ink-navy) 0%, var(--color-ink-navy-90) 100%);
  color: var(--color-text-inverse);
  padding-block: var(--space-8);
  position: relative;
}

.hero-band::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-signal-teal), var(--color-brass-gold), var(--color-signal-teal));
  opacity: 0.9;
}

.hero-band .eyebrow {
  color: #14D9CE;
}

.hero-band h1 {
  color: var(--color-paper-white);
  margin-block: var(--space-4) var(--space-5);
  max-width: 22ch;
  letter-spacing: -0.022em;
}

.hero-band p.hero-lede {
  color: var(--color-text-on-dark-muted, rgba(247, 248, 250, 0.82));
  font-size: var(--fs-body-lg);
  max-width: 62ch;
  margin-bottom: var(--space-6);
  line-height: 1.65;
}

.hero-band--light {
  background: var(--color-surface);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.hero-band--light::after {
  background: linear-gradient(90deg, var(--color-signal-teal), var(--color-brass-gold), var(--color-signal-teal));
  opacity: 0.55;
}

.hero-band--light h1 { color: var(--color-heading); }
.hero-band--light .eyebrow { color: var(--color-accent); }
.hero-band--light p.hero-lede { color: var(--color-text-muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--fw-medium);
  color: var(--color-accent);
}

.hero-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-7);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-dark);
}

.hero-band--light .hero-meta-row { border-top-color: var(--color-border); }

.hero-meta-row dt {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(247, 248, 250, 0.68);
  margin-bottom: var(--space-1);
}

.hero-band--light .hero-meta-row dt { color: var(--color-text-muted); }
.hero-meta-row dd { font-weight: var(--fw-medium); color: var(--color-text-on-dark, #F7F8FA); }
.hero-band--light .hero-meta-row dd { color: var(--color-heading); }

/* ---------------------------------------------------------
 * Badges / tags
 * ------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--color-border);
}

.badge--teal { color: var(--color-teal-dark); background: var(--color-teal-10); border-color: transparent; }
.badge--gold { color: var(--color-gold-dark); background: var(--color-gold-10); border-color: transparent; }
.badge--outline-inverse { color: var(--color-paper-white); border-color: var(--color-border-dark); }
.badge--outline { color: var(--color-text-muted); }

/* ---------------------------------------------------------
 * Buttons
 * ------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: 0.97rem;
  line-height: 1;
  border: 1px solid transparent;
  transition: background-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-signal-teal);
  color: var(--btn-primary-text, #FFFFFF);
  font-weight: var(--fw-bold);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background: var(--color-teal-dark);
  color: var(--btn-primary-text, #FFFFFF);
  box-shadow: var(--glow-btn, 0 8px 24px rgba(11, 148, 140, 0.28));
  transform: translateY(-1px);
}

.btn--secondary { background: transparent; border: 1.5px solid var(--color-border-dark); color: var(--color-paper-white); }
.btn--secondary:hover { border-color: var(--color-signal-teal); color: var(--color-signal-teal); }

.btn--on-light {
  background: transparent;
  border-color: var(--hair-2);
  color: var(--color-heading);
}
.btn--on-light:hover {
  border-color: var(--color-brass-gold);
  color: var(--color-brass-gold);
  box-shadow: 0 4px 14px rgba(138, 104, 24, 0.12);
}

.btn--gold { background: var(--color-brass-gold); color: var(--color-white); }
.btn--gold:hover {
  background: var(--color-gold-dark);
  color: var(--color-white);
  box-shadow: var(--glow-btn-gold, 0 8px 24px rgba(138, 104, 24, 0.28));
}

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* ---------------------------------------------------------
 * Cards
 * ------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--hair, var(--color-border));
  border-radius: var(--radius-md);
  padding: var(--space-6);
  height: 100%;
  box-shadow: var(--card-shadow);
  transition:
    border-color var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard),
    transform var(--duration-base) var(--ease-standard),
    background var(--duration-base) var(--ease-standard);
}

.card:hover {
  border-color: rgba(11, 148, 140, 0.42);
  box-shadow: var(--card-shadow-hover), inset 3px 0 0 var(--color-teal, #0B948C);
  transform: translateY(-4px);
  background: linear-gradient(180deg, var(--color-teal-10, rgba(11, 148, 140, 0.10)) 0%, var(--color-surface) 48%);
}

@media (prefers-reduced-motion: reduce) {
  .card:hover {
    transform: none;
    background: var(--color-surface);
  }
}

.card__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  display: block;
  font-weight: var(--fw-semibold);
}

.card h3 { font-size: var(--fs-h4); margin-bottom: var(--space-3); color: var(--color-heading); }
.card p { color: var(--color-text-muted); margin-bottom: 0; line-height: 1.6; }
.card a.card__link { color: var(--color-heading); text-decoration: none; }
.card a.card__link:hover h3 { color: var(--color-teal-dark); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* ---------------------------------------------------------
 * Section utilities
 * ------------------------------------------------------- */
.section--alt { background: var(--color-white); }
.section--soft { background: var(--color-bg-soft, #EEF1F6); }
.section--dark { background: var(--color-ink-navy); color: var(--color-text-inverse); }
.section--dark h2, .section--dark h3 { color: var(--color-paper-white); }
.section--dark p { color: var(--color-text-on-dark-muted, rgba(247, 248, 250, 0.82)); }

.section-header .eyebrow { margin-bottom: var(--space-3); }
.section-header h2 { margin-bottom: var(--space-4); letter-spacing: -0.022em; }
.section-header p { color: var(--color-text-muted); font-size: var(--fs-body-lg); line-height: 1.65; max-width: 62ch; }

.text-list { display: flex; flex-direction: column; gap: var(--space-3); }
.text-list li {
  position: relative;
  padding-left: var(--space-6);
  color: var(--color-text);
}
.text-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-signal-teal);
}
.text-list--gold li::before { background: var(--color-brass-gold); }

/* ---------------------------------------------------------
 * Numbered process steps
 * ------------------------------------------------------- */
.step-list {
  display: grid;
  gap: var(--space-6);
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
}

.step__index {
  font-family: var(--font-mono);
  font-size: var(--fs-h5);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-teal-20);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step h3 { font-size: var(--fs-h5); margin-bottom: var(--space-2); }
.step p { color: var(--color-text-muted); margin-bottom: 0; }

/* ---------------------------------------------------------
 * CTA band
 * ------------------------------------------------------- */
.cta-band {
  background:
    radial-gradient(ellipse 60% 80% at 0% 50%, rgba(11, 148, 140, 0.16), transparent 55%),
    var(--color-ink-navy);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  padding: var(--space-7) var(--space-8);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  border: 1px solid var(--color-border-dark);
}

.cta-band h2 { color: var(--color-paper-white); font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.cta-band p { color: var(--color-text-on-dark-muted, rgba(247, 248, 250, 0.82)); margin-bottom: 0; max-width: 52ch; }
.cta-band__content { max-width: 640px; }

/* ---------------------------------------------------------
 * Definition / comparison table
 * ------------------------------------------------------- */
.def-table {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.def-table th, .def-table td {
  text-align: left;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.def-table thead th {
  background: var(--color-ink-navy);
  color: var(--color-paper-white);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.def-table tbody tr:last-child td { border-bottom: none; }
.def-table tbody tr:nth-child(even) { background: var(--color-bg); }

/* ---------------------------------------------------------
 * Placeholder / integrity notice blocks
 * ------------------------------------------------------- */
.proof-placeholder {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--fs-body-sm);
  background: var(--color-bg);
}

.proof-placeholder strong { color: var(--color-text); }

/* ---------------------------------------------------------
 * Anchor chip nav (used on index/listing pages)
 * ------------------------------------------------------- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.chip {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  transition: border-color var(--duration-fast, 150ms) var(--ease-standard, ease), color var(--duration-fast, 150ms) var(--ease-standard, ease), box-shadow var(--duration-fast, 150ms) var(--ease-standard, ease);
}
.chip:hover {
  border-color: var(--color-accent);
  color: var(--color-teal-dark);
  box-shadow: 0 4px 12px rgba(11, 148, 140, 0.14);
}

/* ---------------------------------------------------------
 * Responsive
 * ------------------------------------------------------- */
@media (max-width: 767px) {
  .cta-band { flex-direction: column; align-items: flex-start; }
  .step { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .hero-band {
    padding-block: var(--space-6, 32px);
  }
  .hero-band h1 {
    max-width: none;
    font-size: clamp(1.65rem, 1.3rem + 2.5vw, 2.15rem);
  }
  .hero-band p.hero-lede {
    font-size: var(--fs-body, 1rem);
  }
  .breadcrumb {
    padding-inline: 0;
    font-size: 0.7rem;
  }
}