/* ============================================================
   PLATFORM PAGE — Precoh RegOS
   Supplements style.css / base.css
   ============================================================ */

/* ============================================================
   HERO
   ============================================================ */
.plat-hero {
  padding: clamp(5rem, 10vw, 9rem) var(--space-8) clamp(3rem, 6vw, 5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.plat-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% -10%,
    color-mix(in srgb, var(--color-accent) 12%, transparent) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.plat-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: color-mix(in srgb, var(--color-accent) 10%, var(--color-surface));
  border: 1px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: var(--space-6);
}

.plat-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 0 var(--color-accent);
  animation: plat-pulse 2.2s infinite;
  flex-shrink: 0;
}

@keyframes plat-pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-accent) 50%, transparent); }
  70%  { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.plat-eyebrow-tag {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

.plat-hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.plat-accent {
  color: var(--color-accent);
}

.plat-hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin: 0 auto var(--space-8);
  line-height: 1.6;
}

.plat-hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.plat-demo-btn {
  gap: var(--space-2);
}

.plat-hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.plat-meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.plat-meta-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.plat-meta-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plat-meta-divider {
  width: 1px;
  height: 32px;
  background: var(--color-border);
}

/* ============================================================
   WHAT IS REGOS
   ============================================================ */
.plat-what-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: center;
}

.plat-inline-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-accent);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  margin-top: var(--space-4);
  transition: gap 0.2s;
}

.plat-inline-link:hover { gap: var(--space-3); }

/* Terminal block */
.plat-terminal {
  background: #0a0e1a;
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0,168,181,0.08);
}

[data-theme="light"] .plat-terminal {
  background: #0d1a2e;
}

.plat-terminal-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.plat-terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.plat-terminal-dot.red    { background: #ff5f57; }
.plat-terminal-dot.yellow { background: #ffbd2e; }
.plat-terminal-dot.green  { background: #28c940; }

.plat-terminal-title {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.35);
  font-family: monospace;
  margin-left: auto;
}

.plat-terminal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plat-terminal-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: monospace;
  font-size: 0.78rem;
}

.plat-t-label {
  color: rgba(255,255,255,0.4);
}

.plat-t-val    { color: rgba(255,255,255,0.8); font-weight: 500; }
.plat-t-pass   { color: #2ecc8a; font-weight: 600; }
.plat-t-warn   { color: #f59e0b; font-weight: 600; }
.plat-t-fail   { color: #ef4444; font-weight: 600; }
.plat-t-score  { color: #00c8d8; font-weight: 700; font-size: 0.9rem; }
.plat-t-approved { color: #2ecc8a; font-weight: 700; font-size: 0.85rem; }
.plat-t-mono   { color: rgba(255,255,255,0.3); font-size: 0.65rem; }

.plat-terminal-divider {
  height: 1px;
  background: rgba(255,255,255,0.07);
  margin: 4px 0;
}

.plat-terminal-result .plat-t-label {
  color: rgba(255,255,255,0.6);
  font-weight: 600;
}

.plat-t-hash .plat-t-label { color: rgba(255,255,255,0.25); }

/* ============================================================
   PIPELINE STEPS
   ============================================================ */
.plat-steps {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: var(--space-12);
  overflow: visible;
}

.plat-step-card {
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
  position: relative;
}

.plat-step-card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 50%, var(--color-border));
  box-shadow: 0 8px 32px rgba(0,168,181,0.12);
  transform: translateY(-3px);
}

.plat-step-num {
  font-family: monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  opacity: 0.7;
}

.plat-step-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-accent) 12%, var(--color-surface));
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.plat-step-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin: 0;
}

.plat-step-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
  margin: 0;
}

.plat-step-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  border-radius: 999px;
  padding: 4px 10px;
  margin-top: auto;
  align-self: flex-start;
}

.plat-step-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-2);
  color: var(--color-border);
  flex-shrink: 0;
  align-self: center;
}

/* ============================================================
   CAPABILITY CARDS
   ============================================================ */
.plat-caps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.plat-cap-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.plat-cap-card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
  box-shadow: 0 4px 24px rgba(0,168,181,0.08);
}

.plat-cap-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-accent) 10%, var(--color-surface));
  border: 1px solid color-mix(in srgb, var(--color-accent) 18%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.plat-cap-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin: 0;
}

.plat-cap-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   FOR WHOM
   ============================================================ */
.plat-fw-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.plat-fw-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: center;
  transition: border-color 0.25s, transform 0.25s;
}

.plat-fw-card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
  transform: translateY(-2px);
}

.plat-fw-icon {
  font-size: 2rem;
}

.plat-fw-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin: 0;
}

.plat-fw-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ============================================================
   DEMO CTA SECTION
   ============================================================ */
.plat-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: center;
}

.plat-cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  line-height: 1.1;
}

.plat-cta-body {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.plat-cta-checklist {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-8) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.plat-cta-checklist li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.plat-cta-checklist li svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.plat-cta-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Demo preview card */
.plat-demo-preview {
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-accent) 25%, var(--color-border));
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15), 0 0 0 1px rgba(0,168,181,0.06);
}

.plat-preview-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 14px 20px;
  background: color-mix(in srgb, var(--color-accent) 5%, var(--color-surface));
  border-bottom: 1px solid var(--color-border);
}

.plat-preview-dots {
  display: flex;
  gap: 6px;
}

.plat-preview-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}

.plat-preview-title {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-family: monospace;
}

.plat-preview-steps {
  padding: var(--space-5) var(--space-5) 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.plat-ps {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: 10px;
  transition: background 0.2s;
}

.plat-ps.ps-complete {
  background: color-mix(in srgb, var(--color-accent) 6%, transparent);
}

.plat-ps-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-bg);
  font-size: 0.7rem;
  font-weight: 800;
  font-family: var(--font-display);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.plat-ps-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.plat-ps-status {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 1px;
}

.plat-ps-approved {
  color: #2ecc8a;
  font-weight: 600;
}

.plat-ps-connector {
  width: 2px;
  height: 12px;
  margin-left: 27px;
  background: var(--color-border);
}

.plat-ps-connector.complete {
  background: color-mix(in srgb, var(--color-accent) 60%, transparent);
}

.plat-preview-result {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  margin: var(--space-4) var(--space-5) 0;
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-surface));
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  border-radius: 12px;
}

.plat-pr-score {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.04em;
  line-height: 1;
}

.plat-pr-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.plat-pr-verdict {
  font-size: var(--text-sm);
  font-weight: 700;
  color: #2ecc8a;
  margin-top: 4px;
}

.plat-preview-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-4);
  padding: 14px;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  border-radius: 10px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
}

.plat-preview-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ============================================================
   SECTION HELPERS
   ============================================================ */
.section-body--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .plat-steps {
    flex-direction: column;
    gap: var(--space-4);
  }

  .plat-step-connector {
    transform: rotate(90deg);
    align-self: flex-start;
    margin-left: var(--space-6);
  }

  .plat-caps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .plat-what-grid,
  .plat-cta-inner {
    grid-template-columns: 1fr;
  }

  .plat-fw-grid {
    grid-template-columns: 1fr;
  }

  .plat-caps-grid {
    grid-template-columns: 1fr;
  }

  .plat-hero-meta {
    gap: var(--space-4);
  }

  .plat-terminal {
    display: none;
  }

  .plat-demo-preview {
    display: none;
  }

  .plat-cta-left {
    grid-column: 1 / -1;
  }

  .plat-step-connector {
    display: none;
  }
}