/* ==========================================================================
   Analyze Conquer Evolve - Unified Site Stylesheet (css/styles.css)
   ========================================================================== */

:root {
  --color-primary: #1A2F45;      /* Deep Navy */
  --color-secondary: #005F5F;    /* Teal Accent */
  --color-accent-plum: #781845;  /* Plum Accent */
  --color-sage: #BCD1CF;         /* Soft Teal Border */
  --color-slate: #839091;        /* Cool Slate Text */
  --color-espresso: #3D2B1F;     /* Dark Accent */
  --color-star: #d6b702;         /* Rating Star Accent */
  
  --btn-primary-bg: #1A2F45;
  --btn-primary-hover: #0d1824;
  --btn-primary-text: #FFFFFF;
  
  --btn-outline-border: #1A2F45;
  --btn-outline-text: #1A2F45;
  --btn-outline-hover-bg: #1A2F45;
  --btn-outline-hover-text: #FFFFFF;

  --bg-body: #FFFFFF;
  --bg-surface: #FFFFFF;
  --bg-neutral-light: #e5e8eb;
  --bg-card-light: #e7eeee;
  --text-main: #1A2F45;
  --text-muted: #536263;
  --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max-width: 1200px;
  --border-radius: 8px;
}

body.dark-mode {
  --bg-body: #0F1C2A;
  --bg-surface: #1A2F45;
  --bg-neutral-light: #142436;
  --bg-card-light: #1A2F45;
  --text-main: #e5e8eb;
  --text-muted: #BCD1CF;
  --color-primary: #FFFFFF;
  --color-sage: #2C4866;

  --btn-primary-bg: #005F5F;
  --btn-primary-hover: #004545;
  --btn-primary-text: #FFFFFF;
  
  --btn-outline-border: #008080;
  --btn-outline-text: #FFFFFF;
  --btn-outline-hover-bg: #008080;
  --btn-outline-hover-text: #FFFFFF;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-main);
  color: var(--text-main);
  background-color: var(--bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

a { 
  color: var(--color-secondary); 
  text-decoration: none; 
  transition: color 0.2s ease; 
}
body.dark-mode a { color: #38b2ac; }

/* 1. Universal Layout Containers */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.content-narrow {
  max-width: 860px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem 1.5rem;
}

/* 2. Responsive Grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.grid-sidebar {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3.5rem;
  align-items: start;
}

/* 3. Universal Cards */
.card {
  background: var(--bg-card-light);
  border: 1px solid var(--color-sage);
  border-radius: var(--border-radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-interactive {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card-interactive:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  border-color: var(--color-secondary);
}

.card-surface {
  background: var(--bg-surface);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
  line-height: 1.3;
}

.card-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.card-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.card-list {
  list-style: none;
  margin-bottom: 1.75rem;
}
.card-list li {
  margin-bottom: 0.55rem;
  font-size: 0.925rem;
  position: relative;
  padding-left: 1.35rem;
  color: var(--text-muted);
}
.card-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: bold;
}
body.dark-mode .card-list li::before { color: #38b2ac; }

/* 4. Universal Badges */
.badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
  line-height: 1;
  border: 1px solid transparent;
}

.badge-plum {
  background-color: var(--color-accent-plum);
  color: #FFFFFF;
}

.badge-teal {
  background-color: var(--color-secondary);
  color: #FFFFFF;
}

.badge-outline {
  background-color: var(--bg-neutral-light);
  color: var(--color-secondary);
  border-color: var(--color-sage);
}
body.dark-mode .badge-outline {
  background-color: var(--bg-surface);
  color: #BCD1CF;
}

/* 5. Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 1.65rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  cursor: pointer;
  text-align: center;
  border: none;
  font-size: 0.95rem;
  font-family: inherit;
}

.btn-primary { 
  background-color: var(--btn-primary-bg); 
  color: var(--btn-primary-text) !important; 
}
.btn-primary:hover { 
  background-color: var(--btn-primary-hover); 
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: #FFFFFF !important;
}
.btn-secondary:hover {
  background-color: #004545;
}

.btn-outline { 
  border: 2px solid var(--btn-outline-border); 
  color: var(--btn-outline-text); 
  background: transparent; 
}
.btn-outline:hover { 
  background-color: var(--btn-outline-hover-bg); 
  color: var(--btn-outline-hover-text) !important; 
}

/* 6. Section & Hero Blocks */
.hero {
  padding: 4.5rem 0 3.5rem 0;
  background: linear-gradient(135deg, var(--bg-body) 0%, var(--bg-card-light) 100%);
}

.hero-content {
  max-width: 820px;
}

.hero-tagline {
  color: var(--color-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}
body.dark-mode .hero-tagline { color: #38b2ac; }

.hero h1 {
  font-size: 2.5rem;
  line-height: 1.25;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 740px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.section {
  padding: 4.5rem 0;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2.75rem;
  max-width: 700px;
}

/* 7. Bottom Callout Banners & CTA Blocks */
.banner-callout {
  background-color: var(--bg-card-light);
  border-top: 1px solid var(--color-sage);
  border-bottom: 1px solid var(--color-sage);
  padding: 4rem 1.5rem;
  text-align: center;
}

.avatar-circle {
  width: 100%;
  max-width: 260px;
  height: 260px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--bg-surface);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.25rem;
}

/* 8. Sticky Navigation & Header */
header.site-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--color-sage);
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background-color 0.25s ease;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand-logo { 
  font-size: 1.25rem; 
  font-weight: 700; 
  color: var(--text-main); 
  letter-spacing: -0.3px; 
  text-decoration: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover {
  color: var(--color-secondary);
}
body.dark-mode .nav-links a:hover {
  color: #38b2ac;
}

.theme-toggle-btn {
  background: var(--bg-neutral-light);
  border: 1px solid var(--color-sage);
  color: var(--text-main);
  padding: 0.4rem 0.85rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
  font-family: inherit;
}
.theme-toggle-btn:hover {
  border-color: var(--color-secondary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
}

/* 9. Global Footer */
footer.site-footer {
  background-color: #0F1C2A;
  color: #FFFFFF;
  padding: 4.5rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: #BCD1CF;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  max-width: 320px;
  line-height: 1.5;
}

.footer-col h4 {
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 0.75rem;
}
.footer-col ul li a {
  color: #BCD1CF;
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer-col ul li a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid rgba(188, 209, 207, 0.2);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: #BCD1CF;
}

/* 10. Legal & Policy Typography */
.legal-body h1 {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.legal-body .last-updated {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.legal-body h2 {
  font-size: 1.35rem;
  margin: 2rem 0 1rem 0;
  color: var(--text-main);
}

.legal-body p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.legal-body ul {
  margin: 0 0 1.25rem 1.5rem;
  color: var(--text-muted);
}

.legal-body li {
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   Filter & Tab Navigation Buttons (Shared across Resources & Blog)
   ========================================================================== */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.tab-btn {
  background: var(--bg-surface);
  border: 1px solid var(--color-sage);
  color: var(--text-main);
  padding: 0.5rem 1.15rem;
  border-radius: 9999px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  line-height: 1.2;
}

.tab-btn:hover {
  background: var(--bg-card-light);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.tab-btn.active {
  background: var(--color-secondary) !important;
  border-color: var(--color-secondary) !important;
  color: #FFFFFF !important;
}

body.dark-mode .tab-btn:hover {
  border-color: #38b2ac;
  color: #38b2ac;
}

/* Responsive Overrides */
@media (max-width: 900px) {
  .grid-sidebar { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }
  .hero h1 { font-size: 2.1rem; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-sage);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  }
  .nav-links.active { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
}