/* ============================================
   find-token - Public Website Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-darker: #4338ca;
  --color-primary-light: #a5b4fc;
  --color-primary-lighter: #e0e7ff;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-bg-dark-alt: #1e293b;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-lighter: #94a3b8;
  --color-text-on-dark: #f1f5f9;
  --color-text-on-dark-muted: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-dark: #334155;
  --color-success: #10b981;
  --color-success-bg: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-bg: #fef3c7;
  --color-error: #ef4444;
  --color-error-bg: #fee2e2;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --max-width: 1200px;
  --nav-height: 72px;

  --radius-sm: 6px;
  --color-bg-card: #ffffff;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);

  --transition: 200ms ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-light);
  border-color: transparent;
}

.btn-ghost:hover {
  color: var(--color-primary);
  background: var(--color-primary-lighter);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.0625rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.nav .container {
  display: flex;
  align-items: center;
  gap: 48px;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
}

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

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color var(--transition);
  padding: 4px 0;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
}

.nav-mobile-toggle svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 768px) {
  .nav .container {
    gap: 0;
  }

  .nav-links,
  .nav-actions .btn-ghost {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 16px;
    align-items: stretch;
  }

  .nav-links.mobile-open a {
    padding: 8px 0;
  }
}

/* --- Hero Section --- */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-lighter);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-title strong {
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.1875rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  max-width: 540px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text);
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.hero-visual {
  position: relative;
}

.hero-code-block {
  background: var(--color-bg-dark);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border-dark);
  overflow-x: auto;
}

.hero-code-block pre {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-text-on-dark);
}

.hero-code-block .comment { color: #6b7280; }
.hero-code-block .keyword { color: #818cf8; }
.hero-code-block .string { color: #34d399; }
.hero-code-block .function { color: #fbbf24; }
.hero-code-block .number { color: #f472b6; }

@media (max-width: 768px) {
  .hero { padding: 100px 0 60px; }
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
}

/* --- Section Base --- */
.section {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.section-dark .section-title {
  color: var(--color-text-on-dark);
}

.section-alt {
  background: var(--color-bg-alt);
}

/* --- Features Section --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-lighter);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.feature-card-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

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

@media (min-width: 769px) and (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Models Section --- */
.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.model-card {
  background: var(--color-bg-dark-alt);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color var(--transition);
}

.model-card:hover {
  border-color: var(--color-primary);
}

.model-card-name {
  font-weight: 700;
  color: var(--color-text-on-dark);
  margin-bottom: 4px;
}

.model-card-provider {
  font-size: 0.8125rem;
  color: var(--color-text-on-dark-muted);
  margin-bottom: 12px;
}

.model-card-prices {
  display: flex;
  gap: 16px;
  font-size: 0.8125rem;
}

.model-card-price {
  color: var(--color-text-on-dark-muted);
}

.model-card-price strong {
  color: var(--color-text-on-dark);
  font-weight: 600;
}

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

@media (min-width: 769px) and (max-width: 1024px) {
  .models-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  counter-reset: step;
}

.step-card {
  text-align: center;
  padding: 32px 20px;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step-card-title {
  font-weight: 700;
  margin-bottom: 8px;
}

.step-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Pricing Section --- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.pricing-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  transition: all var(--transition);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-md);
}

.pricing-card-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card-name {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.pricing-card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.pricing-card-rate {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 4px;
}

.pricing-card-rate-sub {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.pricing-card-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-card-features li {
  padding: 10px 0;
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

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

.pricing-card-features .check {
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-comparison {
  text-align: center;
  padding: 32px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
}

.pricing-comparison h3 {
  margin-bottom: 12px;
}

.pricing-comparison p {
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 32px;
  font-size: 0.9375rem;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  font-weight: 700;
  background: var(--color-bg-alt);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
}

.comparison-table tr:hover td {
  background: var(--color-bg-alt);
}

@media (max-width: 768px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .comparison-table { font-size: 0.8125rem; }
  .comparison-table th,
  .comparison-table td { padding: 10px 12px; }
}

/* --- CTA Section --- */
.cta {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  color: #fff;
}

.cta h2 {
  color: #fff;
  margin-bottom: 1rem;
}

.cta p {
  color: rgba(255,255,255,0.85);
  font-size: 1.125rem;
  max-width: 500px;
  margin: 0 auto 2rem;
}

.cta .btn {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.cta .btn:hover {
  background: transparent;
  color: #fff;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark-muted);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-on-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col-title {
  font-weight: 700;
  color: var(--color-text-on-dark);
  margin-bottom: 16px;
  font-size: 0.9375rem;
}

.footer-col-links {
  list-style: none;
}

.footer-col-links li {
  margin-bottom: 10px;
}

.footer-col-links a {
  color: var(--color-text-on-dark-muted);
  font-size: 0.875rem;
}

.footer-col-links a:hover {
  color: var(--color-text-on-dark);
}

.footer-bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* --- Docs Page --- */
.docs-layout {
  padding-top: calc(var(--nav-height) + 40px);
  max-width: 900px;
  margin: 0 auto;
  padding-bottom: 80px;
}

.docs-layout h1 {
  margin-bottom: 0.5rem;
}

.docs-layout > p {
  color: var(--color-text-light);
  font-size: 1.125rem;
  margin-bottom: 48px;
}

.docs-section {
  margin-bottom: 48px;
}

.docs-section h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.docs-section h3 {
  font-size: 1.125rem;
  margin: 24px 0 12px;
}

.docs-section p,
.docs-section li {
  color: var(--color-text-light);
  line-height: 1.7;
}

.docs-section ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.docs-section ul li {
  margin-bottom: 6px;
}

.docs-code-block {
  background: var(--color-bg-dark);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 16px 0;
  overflow-x: auto;
}

.docs-code-block pre {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-text-on-dark);
}

.docs-param-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.9375rem;
}

.docs-param-table th,
.docs-param-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.docs-param-table th {
  font-weight: 700;
  background: var(--color-bg-alt);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-light);
}

.docs-param-table code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: var(--color-primary-lighter);
  color: var(--color-primary-dark);
  padding: 2px 6px;
  border-radius: 4px;
}

.docs-param-table .type {
  color: var(--color-text-light);
  font-size: 0.8125rem;
  font-family: var(--font-mono);
}

.docs-endpoint {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 24px;
}

.docs-endpoint-method {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  margin-right: 12px;
}

.method-post {
  background: #dbeafe;
  color: #1d4ed8;
}

.method-get {
  background: #d1fae5;
  color: #059669;
}

.docs-endpoint-url {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-light { color: var(--color-text-light); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* --- Form --- */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.w-full { width: 100%; }

.form-input {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
  color: var(--color-text-lighter);
}