@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400&display=swap');

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

:root {
  --primary: #533afd;
  --primary-deep: #4434d4;
  --primary-press: #2e2b8c;
  --primary-soft: #665efd;
  --primary-subdued: #b9b9f9;
  --brand-dark: #1c1e54;
  --ink: #0d253d;
  --ink-secondary: #273951;
  --ink-mute: #64748d;
  --on-primary: #ffffff;
  --canvas: #ffffff;
  --canvas-soft: #f6f9fc;
  --canvas-cream: #f5e9d4;
  --hairline: #e3e8ee;
  --hairline-input: #a8c3de;
  --shadow-blue: #003770;
}

html { font-size: 15px; scroll-behavior: smooth; }
body { font-family: 'Inter', 'SF Pro Display', system-ui, sans-serif; color: var(--ink); background: var(--canvas); font-weight: 300; line-height: 1.4; font-feature-settings: "ss01"; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; padding: 0; }

.fd-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* GRADIENT MESH HERO */
.fd-mesh {
  background: linear-gradient(135deg, #f5e9d4 0%, #f9c5a0 20%, #d4c5f9 40%, #533afd 60%, #ea2261 80%, #f96bee 100%);
  padding: 0 0 0 0;
}

/* NAV */
.fd-nav { background: var(--canvas); border-bottom: 1px solid var(--hairline); position: sticky; top: 0; z-index: 100; }
.fd-nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.fd-wordmark { font-size: 16px; font-weight: 400; color: var(--ink); letter-spacing: -0.3px; }
.fd-wordmark:hover { text-decoration: none; }
.fd-nav-links { display: flex; gap: 4px; align-items: center; }
.fd-nav-links a { font-size: 15px; font-weight: 300; color: var(--ink-mute); padding: 8px 10px; border-radius: 4px; font-feature-settings: "ss01"; }
.fd-nav-links a:hover { color: var(--ink); background: var(--canvas-soft); text-decoration: none; }
.fd-hamburger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.fd-hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); }
.fd-mobile-menu { display: none; position: fixed; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); z-index: 99; padding: 16px 24px; flex-direction: column; gap: 4px; }
.fd-mobile-menu.open { display: flex; }
.fd-mobile-menu a { font-size: 15px; color: var(--ink); padding: 10px 0; border-bottom: 1px solid var(--hairline); }

/* HERO */
.fd-hero-section { background: linear-gradient(135deg, #f5e9d4 0%, #e8d4f9 30%, #b9b9f9 60%, #533afd 100%); padding: 96px 0; }
.fd-hero-inner { max-width: 700px; }
.fd-hero-tag { display: inline-block; background: var(--primary-subdued); color: var(--primary-deep); font-size: 10px; font-weight: 400; letter-spacing: 0.1px; text-transform: uppercase; padding: 4px 8px; border-radius: 9999px; margin-bottom: 16px; }
.fd-hero h1 { font-size: clamp(32px, 4vw, 56px); font-weight: 300; line-height: 1.03; letter-spacing: -1.4px; color: var(--ink); margin-bottom: 20px; font-feature-settings: "ss01"; }
.fd-hero p { font-size: 16px; font-weight: 300; color: var(--ink-secondary); line-height: 1.4; max-width: 560px; margin-bottom: 32px; }
.fd-btn-primary { display: inline-block; background: var(--primary); color: var(--on-primary); font-size: 16px; font-weight: 400; padding: 8px 16px; border-radius: 9999px; font-feature-settings: "ss01"; }
.fd-btn-primary:hover { background: var(--primary-press); text-decoration: none; }
.fd-btn-secondary { display: inline-block; background: var(--canvas); color: var(--primary); font-size: 16px; font-weight: 400; padding: 8px 16px; border-radius: 9999px; border: 1px solid var(--primary); font-feature-settings: "ss01"; margin-left: 8px; }
.fd-btn-secondary:hover { background: var(--canvas-soft); text-decoration: none; }

/* SECTION LAYOUT */
.fd-section { padding: 64px 0; }
.fd-section-soft { background: var(--canvas-soft); padding: 64px 0; }
.fd-section-cream { background: var(--canvas-cream); padding: 64px 0; }
.fd-section-dark { background: var(--brand-dark); padding: 64px 0; }
.fd-section-title { font-size: clamp(26px, 3vw, 32px); font-weight: 300; line-height: 1.1; letter-spacing: -0.64px; color: var(--ink); margin-bottom: 8px; font-feature-settings: "ss01"; }
.fd-section-sub { font-size: 15px; color: var(--ink-mute); max-width: 600px; line-height: 1.4; margin-bottom: 40px; }
.fd-section-title-dark { color: var(--on-primary); }
.fd-section-sub-dark { color: rgba(255,255,255,0.7); }

/* CARDS */
.fd-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.fd-card { background: var(--canvas); border: 1px solid var(--hairline); border-radius: 12px; padding: 32px; box-shadow: rgba(0,55,112,0.08) 0 1px 3px; }
.fd-card-tag { display: inline-block; background: var(--primary-subdued); color: var(--primary-deep); font-size: 10px; font-weight: 400; text-transform: uppercase; padding: 4px 8px; border-radius: 9999px; margin-bottom: 12px; }
.fd-card h3 { font-size: 22px; font-weight: 300; line-height: 1.1; letter-spacing: -0.22px; color: var(--ink); margin-bottom: 12px; font-feature-settings: "ss01"; }
.fd-card p { font-size: 15px; font-weight: 300; color: var(--ink-mute); line-height: 1.4; margin-bottom: 16px; }
.fd-card-link { font-size: 15px; font-weight: 400; color: var(--primary); }
.fd-card-link:hover { text-decoration: underline; }

/* REFERENCE PAGE */
.fd-ref-layout { display: grid; grid-template-columns: 220px 1fr; gap: 48px; padding: 48px 0; }
.fd-ref-sidebar { position: sticky; top: 80px; align-self: start; }
.fd-ref-sidebar-label { font-size: 11px; font-weight: 400; color: var(--ink-mute); text-transform: uppercase; letter-spacing: 0.1px; margin-bottom: 8px; }
.fd-ref-sidebar ul { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.fd-ref-sidebar li a { font-size: 14px; font-weight: 300; color: var(--ink-secondary); padding: 6px 8px; display: block; border-radius: 4px; }
.fd-ref-sidebar li a:hover, .fd-ref-sidebar li a.active { background: var(--canvas-soft); color: var(--primary); text-decoration: none; }
.fd-ref-main { min-width: 0; }

/* ARTICLE CONTENT */
.fd-article-eyebrow { font-size: 10px; font-weight: 400; text-transform: uppercase; letter-spacing: 0.1px; color: var(--ink-mute); margin-bottom: 12px; }
.fd-article-title { font-size: clamp(26px, 3vw, 48px); font-weight: 300; line-height: 1.03; letter-spacing: -1.4px; color: var(--ink); margin-bottom: 20px; font-feature-settings: "ss01"; }
.fd-article-lead { font-size: 16px; font-weight: 300; color: var(--ink-secondary); line-height: 1.4; max-width: 640px; margin-bottom: 32px; }
.fd-article-img { width: 100%; height: 360px; object-fit: cover; border-radius: 12px; margin: 24px 0; }
.fd-article-body h2 { font-size: 26px; font-weight: 300; letter-spacing: -0.26px; color: var(--ink); margin: 40px 0 12px; font-feature-settings: "ss01"; }
.fd-article-body h3 { font-size: 20px; font-weight: 300; letter-spacing: -0.2px; color: var(--ink); margin: 24px 0 8px; font-feature-settings: "ss01"; }
.fd-article-body p { font-size: 15px; font-weight: 300; color: var(--ink-secondary); line-height: 1.4; margin-bottom: 16px; }
.fd-article-body ul, .fd-article-body ol { margin: 12px 0 16px 20px; }
.fd-article-body ul { list-style: disc; }
.fd-article-body ol { list-style: decimal; }
.fd-article-body li { font-size: 15px; font-weight: 300; color: var(--ink-secondary); line-height: 1.4; margin-bottom: 6px; }
.fd-article-body a { color: var(--primary); }

/* DISCLAIMER */
.fd-disclaimer { background: var(--canvas-soft); border-left: 3px solid var(--primary); padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 20px 0; font-size: 13px; font-weight: 300; color: var(--ink-mute); line-height: 1.4; }

/* TOC */
.fd-toc { background: var(--canvas-soft); border: 1px solid var(--hairline); border-radius: 12px; padding: 20px 24px; margin-bottom: 32px; }
.fd-toc-title { font-size: 11px; font-weight: 400; text-transform: uppercase; letter-spacing: 0.1px; color: var(--ink-mute); margin-bottom: 10px; }
.fd-toc ol { list-style: decimal; padding-left: 16px; }
.fd-toc li { font-size: 14px; font-weight: 300; color: var(--ink-secondary); margin-bottom: 4px; }
.fd-toc a { color: var(--primary); }

/* BREADCRUMB */
.fd-breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 13px; font-weight: 300; color: var(--ink-mute); margin-bottom: 20px; }
.fd-breadcrumb a { color: var(--primary); }
.fd-breadcrumb span { color: var(--ink-mute); }
.fd-bc-current { color: var(--ink-secondary); }

/* RELATED */
.fd-related { border-top: 1px solid var(--hairline); padding-top: 32px; margin-top: 48px; }
.fd-related h3 { font-size: 11px; font-weight: 400; text-transform: uppercase; letter-spacing: 0.1px; color: var(--ink-mute); margin-bottom: 16px; }
.fd-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.fd-related-card { display: flex; flex-direction: column; gap: 4px; padding: 16px; border: 1px solid var(--hairline); border-radius: 12px; text-decoration: none; }
.fd-related-card:hover { background: var(--canvas-soft); text-decoration: none; }
.fd-related-tag { font-size: 10px; font-weight: 400; text-transform: uppercase; letter-spacing: 0.1px; color: var(--ink-mute); }
.fd-related-title { font-size: 14px; font-weight: 300; color: var(--ink); }

/* TABLES */
.fd-table-wrap { overflow-x: auto; margin: 24px 0; }
.fd-table { width: 100%; border-collapse: collapse; font-size: 14px; font-weight: 300; }
.fd-table caption { font-size: 13px; font-weight: 400; color: var(--ink-mute); text-align: left; margin-bottom: 8px; padding: 0 0 8px; }
.fd-table th { background: var(--canvas-soft); color: var(--ink); font-weight: 400; padding: 12px; text-align: left; border-bottom: 2px solid var(--hairline); font-size: 13px; letter-spacing: -0.39px; font-feature-settings: "tnum"; }
.fd-table td { padding: 12px; border-bottom: 1px solid var(--hairline); color: var(--ink-secondary); vertical-align: top; }
.fd-table .fd-table-label { font-weight: 400; color: var(--ink); }
.fd-table tr:hover { background: var(--canvas-soft); }

/* FORMS */
.fd-form-group { margin-bottom: 20px; }
.fd-form-group label { display: block; font-size: 15px; font-weight: 300; color: var(--ink); margin-bottom: 6px; }
.fd-form-group input, .fd-form-group textarea { width: 100%; background: var(--canvas); color: var(--ink); font-size: 15px; font-family: inherit; font-weight: 300; padding: 8px 12px; border: 1px solid var(--hairline-input); border-radius: 6px; outline: none; font-feature-settings: "ss01"; }
.fd-form-group input:focus, .fd-form-group textarea:focus { border-color: var(--primary); }
.fd-form-group textarea { min-height: 120px; resize: vertical; }
.fd-btn-submit { background: var(--primary); color: var(--on-primary); font-size: 16px; font-weight: 400; padding: 8px 16px; border: none; border-radius: 9999px; cursor: pointer; font-family: inherit; font-feature-settings: "ss01"; }
.fd-btn-submit:hover { background: var(--primary-press); }
.fd-form-msg { display: none; font-size: 14px; color: var(--ink-secondary); padding: 12px; border: 1px solid var(--hairline); border-radius: 8px; margin-top: 12px; }

/* COOKIE BANNER */
.fd-cookie { display: none; position: fixed; bottom: 24px; left: 24px; right: 24px; max-width: 560px; background: var(--canvas); border: 1px solid var(--hairline); border-radius: 12px; padding: 20px; z-index: 200; box-shadow: rgba(0,55,112,0.08) 0 8px 24px; }
.fd-cookie p { font-size: 14px; font-weight: 300; color: var(--ink-secondary); margin-bottom: 14px; line-height: 1.4; }
.fd-cookie-btns { display: flex; gap: 8px; }
.fd-cookie-accept { background: var(--primary); color: var(--on-primary); border: none; border-radius: 9999px; padding: 8px 16px; font-size: 15px; cursor: pointer; font-family: inherit; }
.fd-cookie-reject { background: var(--canvas); color: var(--ink-mute); border: 1px solid var(--hairline); border-radius: 9999px; padding: 8px 16px; font-size: 15px; cursor: pointer; font-family: inherit; }

/* FOOTER */
.fd-footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 64px 0 32px; }
.fd-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.fd-footer-brand .fd-footer-logo { font-size: 16px; font-weight: 400; color: var(--ink); margin-bottom: 10px; }
.fd-footer-brand p { font-size: 13px; font-weight: 300; color: var(--ink-mute); line-height: 1.5; max-width: 260px; }
.fd-footer-col-head { font-size: 10px; font-weight: 400; text-transform: uppercase; letter-spacing: 0.1px; color: var(--ink-mute); margin-bottom: 10px; }
.fd-footer ul { display: flex; flex-direction: column; gap: 8px; }
.fd-footer ul li a { font-size: 13px; font-weight: 300; color: var(--ink-mute); }
.fd-footer ul li a:hover { color: var(--ink); text-decoration: none; }
.fd-footer-bottom { border-top: 1px solid var(--hairline); padding-top: 20px; }
.fd-footer-disc { font-size: 12px; font-weight: 300; color: var(--ink-mute); line-height: 1.5; margin-bottom: 12px; max-width: 880px; }
.fd-footer-legal { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12px; font-weight: 300; color: var(--ink-mute); }
.fd-footer-legal a { color: var(--ink-mute); }
.fd-footer-legal a:hover { color: var(--ink); text-decoration: none; }

/* PAGE STATIC */
.fd-page-header { padding: 56px 0 40px; border-bottom: 1px solid var(--hairline); margin-bottom: 40px; }
.fd-page-header h1 { font-size: clamp(28px, 4vw, 48px); font-weight: 300; letter-spacing: -1.2px; color: var(--ink); font-feature-settings: "ss01"; }
.fd-page-content h2 { font-size: 22px; font-weight: 300; letter-spacing: -0.22px; color: var(--ink); margin: 28px 0 10px; font-feature-settings: "ss01"; }
.fd-page-content p, .fd-page-content li { font-size: 15px; font-weight: 300; color: var(--ink-secondary); line-height: 1.4; margin-bottom: 12px; }
.fd-page-content ul { padding-left: 18px; list-style: disc; }
.fd-page-content a { color: var(--primary); }
code { font-family: monospace; font-size: 13px; background: var(--canvas-soft); padding: 2px 6px; border-radius: 4px; color: var(--ink); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .fd-ref-layout { grid-template-columns: 1fr; }
  .fd-ref-sidebar { display: none; }
  .fd-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .fd-nav-links { display: none; }
  .fd-hamburger { display: flex; }
  .fd-hero-section { padding: 64px 0; }
  .fd-hero h1 { font-size: 32px; }
  .fd-footer-grid { grid-template-columns: 1fr; }
  .fd-card-grid { grid-template-columns: 1fr; }
}