/* PRYNOTLA Design System V2 — Premium Editorial */

/* ==============================
   CSS Variables / Design Tokens
   ============================== */
:root {
  /* Colors */
  --navy: #1a2332;
  --navy-light: #243044;
  --ivory: #f8f6f1;
  --ivory-warm: #f3f0e8;
  --gold: #b8935a;
  --gold-muted: #c4a97d;
  --gold-subtle: rgba(184, 147, 90, 0.1);
  --charcoal: #2d2d2d;
  --text: #333333;
  --text-muted: #6b7280;
  --white: #ffffff;
  --border: #e8e5de;
  --border-light: #f0ede6;

  /* Typography */
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: Georgia, 'Times New Roman', serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Layout */
  --max-width: 1120px;
  --max-width-content: 720px;
  --max-width-narrow: 640px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);

  /* Transitions */
  --transition: 0.2s ease;
}

/* ==============================
   Reset & Base
   ============================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--text);
  background: var(--ivory);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--navy);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--gold);
}

/* ==============================
   Typography
   ============================== */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--navy);
  line-height: 1.3;
  font-weight: 700;
}

h1 {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.5rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.15rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
}

/* ==============================
   Layout
   ============================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.content-narrow {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

/* ==============================
   Navigation
   ============================== */
.site-nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.05em;
  text-decoration: none;
}

.nav-logo:hover {
  color: var(--gold);
}

.nav-logo-icon {
  display: inline-block;
  width: 28px;
  height: 28px;
  vertical-align: middle;
  margin-right: 6px;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--navy);
  border-bottom-color: var(--gold);
}

/* Mobile nav toggle — hidden on desktop */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 14px;
  cursor: pointer;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ==============================
   Hero
   ============================== */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.hero h1 {
  color: var(--white);
  font-size: 2.5rem;
  max-width: 700px;
  margin: 0 auto var(--space-lg);
  line-height: 1.2;
}

.hero .subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

.hero-image {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

/* ==============================
   Section
   ============================== */
.section {
  padding: var(--space-3xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title h2 {
  margin-top: 0;
  font-size: 1.75rem;
}

.section-title p {
  color: var(--text-muted);
  max-width: 520px;
  margin: var(--space-sm) auto 0;
}

/* ==============================
   Cards
   ============================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-body {
  padding: var(--space-lg);
}

.card-body h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ==============================
   Pillar Cards (Editorial Pillars)
   ============================== */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.pillar-card {
  text-align: center;
  padding: var(--space-xl);
}

.pillar-icon {
  width: 56px;
  height: 56px;
  background: var(--gold-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 1.5rem;
}

.pillar-card h3 {
  margin-top: 0;
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.pillar-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ==============================
   Editorial Promise / CTA
   ============================== */
.editorial-promise {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.editorial-promise h2 {
  margin-top: 0;
  font-size: 1.35rem;
}

.editorial-promise p {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto;
}

/* ==============================
   Guide Content
   ============================== */
.guide-header {
  padding: var(--space-2xl) 0 var(--space-xl);
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.breadcrumb a {
  color: var(--gold);
}

.guide-header h1 {
  margin-bottom: var(--space-sm);
}

.guide-header .subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
}

.guide-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding-bottom: var(--space-3xl);
}

.guide-content h2 {
  margin-top: var(--space-2xl);
  font-size: 1.3rem;
}

.guide-content p {
  font-size: 0.95rem;
  line-height: 1.8;
}

.guide-content ul, .guide-content ol {
  margin: var(--space-md) 0 var(--space-lg) var(--space-xl);
}

.guide-content li {
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
  line-height: 1.7;
}

.guide-content code {
  background: var(--ivory-warm);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.guide-content strong {
  color: var(--navy);
}

.guide-hero-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xl);
}

.guide-content-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-xl) 0;
}

/* ==============================
   Affiliate CTA Box
   ============================== */
.affiliate-cta {
  background: var(--ivory-warm);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin: var(--space-2xl) 0;
  text-align: center;
}

.affiliate-cta p {
  margin-bottom: var(--space-sm);
}

.affiliate-cta .note {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ==============================
   Footer
   ============================== */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-3xl);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-copy {
  width: 100%;
  text-align: center;
  font-size: 0.8rem;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* ==============================
   Utilities
   ============================== */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ==============================
   Focus States (Accessibility)
   ============================== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ==============================
   Responsive
   ============================== */
@media (max-width: 1024px) {
  .pillar-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.3rem; }
  .hero h1 { font-size: 1.85rem; }
  .hero .subtitle { font-size: 1rem; }
  .section { padding: var(--space-2xl) 0; }
  .card-grid { grid-template-columns: 1fr; }
  .nav-inner { padding: 0 var(--space-md); }
  .container { padding: 0 var(--space-md); }
  .footer-inner { flex-direction: column; text-align: center; }

  /* Mobile navigation: [P] PRYNOTLA ... Menu */
  .nav-toggle { display: inline-flex; align-items: center; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: var(--space-xs) var(--space-md) var(--space-sm);
  }
  body.nav-open .nav-links { display: flex; }
  .nav-links a {
    font-size: 0.95rem;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-links a:last-child { border-bottom: none; }
}

@media (max-width: 480px) {
  .hero { padding: var(--space-2xl) 0; }
  .hero h1 { font-size: 1.5rem; }
}

/* ==============================
   Editorial diagrams (SEO-003)
   ============================== */
.diagram-figure {
  margin: var(--space-lg) 0;
  padding: var(--space-md);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.diagram-figure svg {
  display: block;
  width: 100%;
  height: auto;
}

.diagram-figure figcaption {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.checklist-card {
  background: var(--ivory);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
}

.checklist-card ul {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 0;
}

.checklist-card li {
  padding: var(--space-xs) 0 var(--space-xs) 1.7em;
  position: relative;
  border-bottom: 1px solid var(--border-light);
}

.checklist-card li:last-child { border-bottom: none; }

.checklist-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 1em;
  height: 1em;
  border: 2px solid var(--gold);
  border-radius: 3px;
}

.source-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  border-left: 3px solid var(--gold-muted);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
}

/* Table (guide hardware table) */
.guide-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  font-size: 0.92rem;
}

.guide-content th {
  background: var(--navy);
  color: var(--white);
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
}

.guide-content td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.guide-content tbody tr:nth-child(even) { background: var(--ivory); }

@media (max-width: 768px) {
  .guide-content table, .guide-content tbody {
    display: block;
    width: 100%;
  }
  .guide-content thead { display: none; }
  .guide-content tbody tr {
    display: block;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-sm);
  }
  .guide-content tbody tr:nth-child(even) { background: var(--white); }
  .guide-content td {
    display: block;
    border-bottom: none;
    padding: 3px 0;
  }
  .guide-content td[data-label="Category"] {
    font-weight: 700;
    color: var(--navy);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: var(--space-xs);
    margin-bottom: var(--space-xs);
  }
  .guide-content td[data-label]::before {
    content: attr(data-label) ": ";
    font-weight: 600;
    color: var(--text-muted);
  }
  .guide-content td[data-label="Category"]::before { content: ""; }
}

/* ==============================
   DP-02 decision-guide visuals
   ============================== */
.dp-layers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.dp-layer-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-md);
}

.dp-layer-card h3 {
  font-size: 1rem;
  margin: 0 0 var(--space-xs);
  color: var(--navy);
}

.dp-layer-job {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: var(--space-xs) 0;
}

.dp-layer-examples {
  font-size: 0.85rem;
  color: var(--navy);
  font-weight: 600;
  margin: 0;
}

.dp-stack-diagram {
  background: var(--ivory);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  text-align: center;
}

.dp-stack-flow {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 var(--space-xs);
  letter-spacing: 0.02em;
}

.dp-stack-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.dp-timeline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.dp-timeline-stage {
  flex: 1;
  min-width: 130px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-sm) var(--space-md);
  text-align: center;
}

.dp-timeline-label {
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 var(--space-xs);
  font-size: 0.9rem;
}

.dp-timeline-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
}

@media (max-width: 768px) {
  .dp-layers { grid-template-columns: 1fr; }
  .dp-timeline { flex-direction: column; }
  .dp-timeline-stage { min-width: auto; }
}

/* ==============================
   AFF-RKT-007: Filmora evaluation components
   ============================== */
.fit-spectrum {
  margin: var(--space-lg) 0;
}

.fit-spectrum-bar {
  display: flex;
  align-items: stretch;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.fit-spectrum-seg {
  flex: 1;
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.4;
}

.fit-spectrum-seg.light { background: #eef1f5; color: #1a2332; }
.fit-spectrum-seg.mid { background: #c4a97d; color: #1a2332; font-weight: 600; }
.fit-spectrum-seg.pro { background: #243044; color: #f8f6f1; }

.fit-spectrum-labels {
  display: flex;
  margin-top: var(--space-xs);
}

.fit-spectrum-labels span {
  flex: 1;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  padding: 0 var(--space-xs);
}

.fit-spectrum-labels .mid-label { font-weight: 600; color: var(--text-main); }

.workflow-steps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: stretch;
  margin: var(--space-lg) 0;
  counter-reset: wfstep;
}

.workflow-step {
  flex: 1 1 150px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-md);
  text-align: center;
  position: relative;
}

.workflow-step .wf-num {
  display: inline-block;
  width: 1.8em; height: 1.8em; line-height: 1.8em;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.workflow-step.highlight { border-color: #c4a97d; border-width: 2px; background: #fdfaf3; }
.workflow-step .wf-role { font-size: 0.82rem; color: var(--text-muted); margin-top: var(--space-xs); }

.decision-cards {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.decision-card {
  flex: 1 1 280px;
  border-radius: 8px;
  padding: var(--space-lg);
  border: 1px solid var(--border);
}

.decision-card.buy { background: #f4f7f2; border-left: 4px solid #4a7c59; }
.decision-card.skip { background: #faf4f2; border-left: 4px solid #a4634f; }

.decision-card h3 { margin-top: 0; }

.callout-licensing {
  background: #fdfaf3;
  border: 1px solid #c4a97d;
  border-left: 5px solid #b8935a;
  border-radius: 8px;
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
}

.callout-licensing h2 { margin-top: 0; }

.cta-placeholder-box {
  border: 2px dashed var(--text-muted);
  border-radius: 8px;
  padding: var(--space-lg);
  text-align: center;
  margin: var(--space-md) 0 0;
}

.cta-btn-disabled {
  display: inline-block;
  background: var(--gold-muted);
  color: var(--navy);
  font-weight: 600;
  padding: var(--space-sm) var(--space-xl);
  border-radius: 6px;
  border: none;
  cursor: not-allowed;
  opacity: 0.6;
  font-size: 1rem;
}

.reviewed-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* PUB-COMP-002: contact email emphasis */
.contact-email {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
  background: #fdfaf3;
  border: 1px solid #c4a97d;
  border-radius: 6px;
  padding: var(--space-xs) var(--space-md);
  display: inline-block;
}