/* ============================================================
   JurisAI Brand Identity — Direction B: Precision Instrument
   ============================================================ */

/* --- CSS Variables (Design Tokens) --- */
:root {
  /* Primary Palette */
  --navy:        #0D1B2A;
  --navy-light:  #1A2F45;
  --steel:       #4E83C5;
  --steel-light: #6B9BD6;
  --teal:        #007A8A;
  --amber:       #D4A843;
  --amber-light: #E8C46B;

  /* Semantic */
  --success:     #059669;
  --success-bg:  #F0FDF4;
  --warning:     #D97706;
  --warning-bg:  #FFFBEB;
  --error:       #DC2626;
  --error-bg:    #FEF2F2;

  /* Neutrals */
  --white:       #FFFFFF;
  --light:       #F5FAFF;
  --light-blue:  #E8F4FD;
  --border:      #DDEBFA;
  --text-primary:#0D1B2A;
  --text-secondary:#374151;
  --text-muted:  #6B7280;

  /* Typography */
  --font-display:  'Playfair Display', 'Georgia', serif;
  --font-body:     'Source Serif 4', 'Georgia', serif;
  --font-sans:     'Inter', -apple-system, sans-serif;
  --font-mono:     'IBM Plex Mono', 'Courier New', monospace;

  /* Spacing */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   24px;
  --space-xl:   40px;
  --space-2xl:  64px;
  --space-3xl:  96px;

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

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(13,27,42,0.08);
  --shadow-md:   0 4px 12px rgba(13,27,42,0.10);
  --shadow-lg:   0 8px 32px rgba(13,27,42,0.14);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p { max-width: 68ch; }

a { color: var(--steel); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--space-xl);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.04em;
}

.nav-logo svg { flex-shrink: 0; }

.nav-logo .tagline {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--steel);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-left: 1px solid var(--border);
  padding-left: 10px;
  margin-left: 2px;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.nav-links a:hover {
  color: var(--navy);
  border-bottom-color: var(--steel);
  text-decoration: none;
}

.nav-cta {
  background: var(--navy) !important;
  color: var(--white) !important;
  padding: 8px 18px !important;
  border-radius: var(--radius-md) !important;
  border-bottom: none !important;
  font-weight: 600 !important;
  transition: all 0.15s !important;
}

.nav-cta:hover {
  background: var(--navy-light) !important;
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
  }
  .nav-links.open { display: flex; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--navy);
  color: var(--white);
}
.btn-primary:hover { background: var(--navy-light); color: var(--white); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn-steel {
  background: var(--steel);
  color: var(--white);
}
.btn-steel:hover { background: var(--steel-light); color: var(--white); }

.btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* Buy buttons (Stripe) */
.btn-buy {
  background: var(--success);
  color: var(--white);
  width: 100%;
  margin-top: var(--space-md);
}
.btn-buy:hover { background: #047857; color: var(--white); }

/* --- Hero Section --- */
.hero {
  padding: 140px var(--space-xl) var(--space-3xl);
  background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--success-bg);
  border: 1px solid var(--success);
  color: var(--success);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: var(--space-lg);
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto var(--space-lg);
}

.hero-sub {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.hero-trust {
  display: flex;
  gap: var(--space-xl);
  justify-content: center;
  flex-wrap: wrap;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-trust span { display: flex; align-items: center; gap: 6px; }

/* Verification badge in hero */
.hero-verification {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
  max-width: 700px;
  margin: var(--space-2xl) auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.verif-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.verif-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.verif-icon.green { background: var(--success-bg); color: var(--success); }
.verif-icon.amber { background: var(--warning-bg); color: var(--warning); }
.verif-icon.navy  { background: var(--light-blue); color: var(--steel); }

.verif-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

.section-alt { background: var(--light); }
.section-dark { background: var(--navy); color: var(--white); }
.section-dark h2, .section-dark h3 { color: var(--white); }

.container {
  max-width: 1100px;
  margin: 0 auto;
}

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

.section-header h2 { margin-bottom: var(--space-md); }

.section-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Product Grid --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.product-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all 0.2s;
  position: relative;
}

.product-card:hover {
  border-color: var(--steel);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.product-card.featured {
  border-color: var(--steel);
  box-shadow: var(--shadow-md);
}

.product-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--steel);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: 12px;
}

.product-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
}

.product-icon.teal  { background: rgba(0,122,138,0.12); }
.product-icon.steel { background: rgba(78,131,197,0.12); }
.product-icon.amber { background: rgba(212,168,67,0.12); }

.product-card h3 {
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.product-card .product-sub {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.product-card .product-sub.teal  { color: var(--teal); }
.product-card .product-sub.steel { color: var(--steel); }
.product-card .product-sub.amber { color: var(--amber); }

.product-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.product-features {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.product-features li {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 5px 0;
  border-bottom: 1px solid var(--light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  font-size: 0.75rem;
}

/* --- Pricing --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

.pricing-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  transition: all 0.2s;
}

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

.pricing-card.highlight {
  border-color: var(--steel);
  box-shadow: var(--shadow-md);
  transform: scale(1.02);
}

.pricing-card.popular {
  border-color: var(--amber);
}

.pricing-tier {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--steel);
  margin-bottom: 6px;
}

.pricing-card h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.pricing-desc {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.pricing-price {
  margin-bottom: 4px;
}

.pricing-price .amount {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
}

.pricing-price .period {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.pricing-annual {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--success);
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-md);
  border-top: 1px solid var(--border);
  padding-top: var(--space-md);
}

.pricing-features li {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 4px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  font-size: 0.7rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.pricing-note {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--space-md);
}

/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.step-card h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.step-card p {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Objection Handler / FAQ --- */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl) var(--space-2xl);
}

.faq-item {
  border-left: 3px solid var(--steel);
  padding-left: var(--space-lg);
}

.faq-q {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.4;
}

.faq-a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Verification Proof --- */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.proof-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.proof-card h4 {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 8px;
}

.proof-card p {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

/* --- CTA Banner --- */
.cta-banner {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

.cta-banner h2 { color: var(--white); margin-bottom: var(--space-md); }
.cta-banner p {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto var(--space-xl);
}

/* --- Footer --- */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.6);
  padding: var(--space-2xl) var(--space-xl);
  font-family: var(--font-sans);
  font-size: 0.82rem;
}

.footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  margin-top: var(--space-md);
  line-height: 1.6;
  max-width: 280px;
}

.footer h5 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-md);
}

.footer ul { list-style: none; }
.footer ul li { margin-bottom: 8px; }
.footer ul a {
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color 0.15s;
}
.footer ul a:hover { color: var(--white); text-decoration: none; }

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* --- Confidence Badge Component --- */
.confidence-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
}

.confidence-badge.high {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success);
}

.confidence-badge.medium {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.confidence-badge.low {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
}

/* --- Code/Citation Block --- */
.citation-block {
  background: var(--navy);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #A8D8F0;
  line-height: 1.7;
  margin: var(--space-md) 0;
}

.citation-block .cite-label {
  color: var(--amber);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
  display: block;
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-steel { color: var(--steel); }
.text-teal { color: var(--teal); }
.text-amber { color: var(--amber); }
.text-muted { color: var(--text-muted); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero { padding: 120px var(--space-lg) var(--space-2xl); }
  .section { padding: var(--space-2xl) var(--space-lg); }
  .product-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.highlight { transform: none; }
  .steps-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-verification { grid-template-columns: 1fr; gap: var(--space-md); }
  .nav-links { display: none; }
}