/**
 * FoundNXT Modern Design System & CSS Architecture
 * Version: 2.0.0
 * 
 * Implements:
 * - Cascade Layers (@layer reset, base, components, utilities)
 * - Modern CSS: light-dark(), color-mix(), container queries, scroll-driven animations, view transitions
 * - Fluid clamp() typography & spacing
 * - WCAG AA accessible contrast for Light & Dark modes
 * - 0 Cumulative Layout Shift (CLS) & high performance
 */

@layer reset, base, components, utilities;

/* ============================================================
   LAYER: RESET
   ============================================================ */
@layer reset {
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
    overflow-x: clip;
    scroll-behavior: smooth;
  }

  body {
    min-height: 100vh;
    min-height: 100dvh;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: clip;
  }

  img, picture, svg, video, canvas {
    display: block;
    max-width: 100%;
    height: auto;
  }

  input, button, textarea, select {
    font: inherit;
    color: inherit;
  }

  button {
    cursor: pointer;
    background: none;
    border: none;
  }

  table {
    border-collapse: collapse;
    width: 100%;
  }

  ul, ol {
    list-style: none;
  }

  a {
    color: inherit;
    text-decoration: none;
  }
}

/* ============================================================
   LAYER: BASE
   ============================================================ */
@layer base {
  :root {
    /* Color Scheme standard declaration */
    color-scheme: light dark;

    /* Core Brand Tokens */
    --brand: #6d5efc;
    --brand-hover: #5b4ce8;
    --accent: #00d4aa;
    --accent-hover: #00b894;
    --warm: #ff7a45;
    --warm-hover: #f06935;

    /* Semantic Light-Dark System */
    --bg: light-dark(#ffffff, #0a0e17);
    --surface: light-dark(#f8fafc, #131b2e);
    --surface-elevated: light-dark(#ffffff, #1a233a);
    --text: light-dark(#0f172a, #f1f5f9);
    --muted: light-dark(#64748b, #94a3b8);
    --border: light-dark(#e2e8f0, #1e293b);
    --border-subtle: light-dark(#f1f5f9, #151f33);

    /* Glassmorphism via color-mix */
    --glass-bg: color-mix(in srgb, var(--surface) 84%, transparent);
    --glass-border: color-mix(in srgb, var(--border) 70%, transparent);

    /* Gradients */
    --grad: linear-gradient(135deg, var(--brand), var(--accent));
    --grad-warm: linear-gradient(135deg, var(--brand), var(--warm));
    --grad-surface: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
    --grad-text: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
    --grad-mesh: radial-gradient(at 0% 0%, color-mix(in srgb, var(--brand) 20%, transparent) 0px, transparent 55%),
                 radial-gradient(at 100% 0%, color-mix(in srgb, var(--accent) 18%, transparent) 0px, transparent 55%),
                 radial-gradient(at 50% 100%, color-mix(in srgb, var(--warm) 14%, transparent) 0px, transparent 60%);

    /* Fluid Spacing Scale */
    --space: clamp(1rem, 2vw + 0.5rem, 2.5rem);
    --space-xs: clamp(0.5rem, 1vw + 0.25rem, 0.875rem);
    --space-sm: clamp(0.75rem, 1.5vw + 0.35rem, 1.25rem);
    --space-md: clamp(1.25rem, 2.5vw + 0.5rem, 2rem);
    --space-lg: clamp(2rem, 4vw + 0.75rem, 3.5rem);
    --space-xl: clamp(3rem, 6vw + 1rem, 5.5rem);

    /* Radius Scale */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadow Scale */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 6px 20px -3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 36px -6px rgba(0, 0, 0, 0.14);
    --shadow-brand: 0 10px 30px -4px color-mix(in srgb, var(--brand) 30%, transparent);

    /* Typography Scale */
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Sora', 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Category Badge Colors */
    --cat-startups: #8b5cf6; /* violet */
    --cat-tech:     #00d4aa; /* teal */
    --cat-scaling:  #ff7a45; /* orange */
    --cat-careers:  #ec4899; /* pink */
    --cat-ai:       #6366f1; /* indigo */
    --cat-markets:  #f59e0b; /* amber */
    --cat-news:     #10b981; /* emerald */
    --cat-business: #4f46e5; /* electric indigo */
  }

  /* Explicit Data-Theme Overrides for Manual Mode / Fallback */
  :root[data-theme="light"],
  body.light-mode {
    color-scheme: light;
    --bg: #ffffff;
    --surface: #f8fafc;
    --surface-elevated: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --border: #e2e8f0;
    --border-subtle: #f1f5f9;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(226, 232, 240, 0.75);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 6px 20px -3px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 16px 36px -6px rgba(0, 0, 0, 0.12);
  }

  :root[data-theme="dark"],
  body.dark-mode {
    color-scheme: dark;
    --bg: #0a0e17;
    --surface: #131b2e;
    --surface-elevated: #1a233a;
    --text: #f1f5f9;
    --muted: #94a3b8;
    --border: #1e293b;
    --border-subtle: #151f33;
    --glass-bg: rgba(10, 14, 23, 0.88);
    --glass-border: rgba(30, 41, 59, 0.75);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 6px 20px -3px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 16px 36px -6px rgba(0, 0, 0, 0.45);
  }

  body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.65;
    padding-inline: max(0px, env(safe-area-inset-left));
    padding-inline-end: max(0px, env(safe-area-inset-right));
  }

  /* Fluid Headings */
  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text);
    font-weight: 700;
    text-wrap: balance;
    letter-spacing: -0.02em;
  }

  h1 {
    font-size: clamp(2.2rem, 5vw + 1rem, 4.5rem);
    line-height: 1.12;
  }

  h2 {
    font-size: clamp(1.75rem, 3.5vw + 0.5rem, 2.75rem);
    line-height: 1.2;
  }

  h3 {
    font-size: clamp(1.25rem, 2vw + 0.4rem, 1.65rem);
    line-height: 1.3;
  }

  p {
    text-wrap: pretty;
    max-width: 65ch;
  }

  /* Universal Focus-Visible Accessibility */
  :focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
  }

  /* Cross-Document View Transitions */
  @view-transition {
    navigation: auto;
  }
}

/* ============================================================
   LAYER: COMPONENTS
   ============================================================ */
@layer components {

  /* ── 1. WHAT'S NEW TOP BANNER (Shared 72rem Container, Centered Text, Pinned Close Button) ── */
  .fnx-top-banner {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    min-height: 42px;
    contain-intrinsic-size: auto 42px;
    position: relative;
    z-index: 1010;
    transition: min-height 0.3s ease, opacity 0.25s ease;
  }
  .fnx-top-banner.is-dismissed {
    display: none !important;
    min-height: 0 !important;
  }
  .top-banner-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding-block: 6px;
    padding-inline: clamp(1rem, 2.5vw, 1.75rem);
    padding-right: clamp(2.5rem, 5vw, 3.5rem); /* Prevents centered text from overlapping pinned close button */
    font-size: 0.8125rem;
    width: 100%;
    max-width: 72rem;
    margin-inline: auto;
    box-sizing: border-box;
  }
  .top-banner-content {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex-wrap: wrap;
    gap: 8px 12px;
    margin-inline: auto;
  }
  .top-banner-badge {
    background: color-mix(in srgb, var(--brand) 16%, transparent);
    color: var(--brand);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.6875rem;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
  }
  .top-banner-text {
    color: var(--muted);
  }
  .top-banner-link {
    color: var(--brand);
    font-weight: 600;
    margin-left: 6px;
    text-decoration: underline;
    text-underline-offset: 2px;
  }
  .top-banner-link:hover {
    color: var(--accent);
  }
  .top-banner-close {
    position: absolute;
    right: clamp(1rem, 2.5vw, 1.75rem);
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    min-width: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--muted);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    background: transparent;
    border: none;
    transition: background 0.2s, color 0.2s;
  }
  .top-banner-close:hover {
    background: var(--border);
    color: var(--text);
  }

  /* ── 2. MAIN HEADER (3-Column Grid: Logo | Centered Links | Actions) ── */
  .fnx-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  }
  .fnx-header.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--border);
  }
  .header-inner {
    display: grid;
    grid-template-columns: minmax(auto, 1fr) auto minmax(auto, 1fr);
    align-items: center;
    height: 68px;
    gap: var(--space-md, 1.5rem);
    width: 100%;
    max-width: 72rem;
    margin-inline: auto;
    padding-inline: clamp(1rem, 2.5vw, 1.75rem);
    box-sizing: border-box;
  }

  /* Column 1: Logo */
  .header-logo {
    justify-self: start;
    display: flex;
    align-items: center;
  }
  .brand-logo-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text);
    flex-shrink: 0;
  }
  .brand-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: var(--grad);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 4px 12px -2px color-mix(in srgb, var(--brand) 40%, transparent);
  }
  .brand-logo-icon svg {
    width: 18px;
    height: 18px;
    stroke: #ffffff;
  }
  .brand-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
  }
  .brand-logo-main {
    color: var(--text);
  }
  .brand-logo-nxt {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .brand-logo-sub {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-top: 3px;
  }

  /* Column 2: Centered Navigation Links */
  .header-nav {
    justify-self: center;
    display: flex;
    align-items: center;
  }
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .nav-menu > li {
    position: relative;
  }
  .nav-menu > li > a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--muted);
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
  }
  .nav-menu > li > a:hover,
  .nav-menu > li.current-menu-item > a,
  .nav-menu > li:hover > a {
    color: var(--text);
    background: color-mix(in srgb, var(--brand) 8%, transparent);
  }
  .nav-chevron {
    transition: transform 0.2s ease;
  }
  .nav-menu > li:hover .nav-chevron,
  .nav-menu > li:focus-within .nav-chevron {
    transform: rotate(180deg);
  }

  /* Categories Dropdown in Desktop Nav */
  .nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    list-style: none;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 1050;
  }
  .nav-menu > li:hover > .sub-menu,
  .nav-menu > li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(4px);
  }
  .nav-menu .sub-menu li {
    list-style: none;
  }
  .nav-menu .sub-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--muted);
    transition: background 0.15s, color 0.15s;
    min-height: 40px;
    white-space: nowrap;
  }
  .nav-menu .sub-menu li a:hover {
    background: var(--surface);
    color: var(--text);
  }
  .cat-menu-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  /* Column 3: Actions (Search, Theme Toggle, "Get In Touch", and Hamburger) */
  .header-actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .action-btn {
    min-width: 44px;
    min-height: 44px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    transition: transform 0.15s, border-color 0.2s, background 0.2s;
    cursor: pointer;
  }
  .action-btn:hover {
    border-color: var(--brand);
    transform: translateY(-1px);
    background: var(--surface-elevated);
  }
  .header-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 700;
    color: #ffffff;
    background: var(--grad);
    box-shadow: 0 2px 8px -1px color-mix(in srgb, var(--brand) 40%, transparent);
    transition: transform 0.15s, box-shadow 0.2s, filter 0.2s;
    white-space: nowrap;
  }
  .header-cta-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.06);
    box-shadow: 0 4px 14px -2px color-mix(in srgb, var(--brand) 50%, transparent);
  }
  .mobile-toggle {
    display: none;
  }
  .burger-wrap {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 18px;
    height: 14px;
  }
  .burger {
    display: block;
    width: 100%;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
  }

  /* ── MOBILE HEADER (under 900px: Only Logo, Search, Theme Toggle, and Hamburger) ── */
  @media (max-width: 899px) {
    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 64px;
      gap: 12px;
    }
    .header-nav {
      display: none !important;
    }
    .header-cta-btn {
      display: none !important;
    }
    .mobile-toggle {
      display: inline-flex !important;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 8px;
    }
  }

  /* ── OFF-CANVAS MOBILE MENU (< 900px, 44px Tap Targets) ── */
  .fnx-mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(340px, 86vw);
    background: var(--surface-elevated);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 2100;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .fnx-mobile-nav.open,
  .fnx-mobile-nav.is-open {
    transform: translateX(0);
  }
  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2050;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }
  .mobile-overlay.open,
  .mobile-overlay.is-active,
  .fnx-mobile-nav.open ~ .mobile-overlay,
  .fnx-mobile-nav.is-open ~ .mobile-overlay {
    opacity: 1;
    pointer-events: auto;
  }
  .mobile-nav-inner {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 20px;
    box-sizing: border-box;
  }
  .mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
  }
  .mobile-close {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
  }
  .mobile-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
  }
  .mobile-menu-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 44px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    transition: background 0.15s;
    text-decoration: none;
    cursor: pointer;
    box-sizing: border-box;
  }
  .mobile-menu-link:hover {
    background: var(--surface);
  }
  .mobile-categories-summary {
    list-style: none;
  }
  .mobile-categories-summary::-webkit-details-marker {
    display: none;
  }
  .mobile-categories-accordion[open] .mobile-chevron {
    transform: rotate(180deg);
  }
  .mobile-chevron {
    transition: transform 0.2s ease;
  }
  .mobile-submenu-list {
    list-style: none;
    padding: 4px 0 8px 16px;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .mobile-sublink {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    color: var(--muted);
    transition: color 0.15s, background 0.15s;
    box-sizing: border-box;
  }
  .mobile-sublink:hover {
    color: var(--text);
    background: var(--surface);
  }
  .mobile-nav-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border);
    margin-top: auto;
  }
  .mobile-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 44px;
    border-radius: var(--radius-md);
    background: var(--grad);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.9375rem;
  }

  /* ── CATEGORY FILTER BAR (Articles & Archive Pages Above Post Grid) ── */
  .fnx-category-filter-rail {
    margin-block: var(--space-md);
    width: 100%;
    overflow: hidden;
  }
  .category-filter-scroll {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-block: 6px;
    overflow-x: auto;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
  }
  .category-filter-scroll::-webkit-scrollbar {
    height: 4px;
  }
  .category-filter-scroll::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 9999px;
  }
  .filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    min-height: 42px;
    border-radius: var(--radius-full);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.2s ease;
    text-decoration: none;
    touch-action: manipulation;
  }
  .filter-chip:hover {
    background: var(--surface-elevated);
    border-color: var(--chip-accent, var(--brand));
    color: var(--text);
    transform: translateY(-1px);
  }
  .filter-chip.is-active {
    background: color-mix(in srgb, var(--chip-accent, var(--brand)) 14%, var(--surface));
    border-color: var(--chip-accent, var(--brand));
    color: var(--chip-accent, var(--brand));
    font-weight: 700;
    box-shadow: 0 0 0 1px var(--chip-accent, var(--brand));
  }
  .filter-chip-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--chip-accent, var(--brand));
    flex-shrink: 0;
  }
  .filter-chip-dot--all {
    background: var(--brand);
  }

  /* ── 3. SEARCH OVERLAY WITH FOCUS TRAP & ESC CLOSE ── */
  .fnx-search-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(40px, 10vh, 120px) 16px 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
  }
  .fnx-search-modal.is-open {
    opacity: 1;
    visibility: visible;
  }
  .search-modal-card {
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 640px;
    padding: 24px;
    transform: scale(0.96) translateY(-10px);
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .fnx-search-modal.is-open .search-modal-card {
    transform: scale(1) translateY(0);
  }
  .search-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
  }
  .search-modal-title {
    font-size: 1.1rem;
    font-weight: 700;
  }
  .search-modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--muted);
    font-size: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
  }
  .search-modal-form {
    display: flex;
    gap: 10px;
  }
  .search-modal-input {
    flex: 1;
    min-height: 52px;
    padding: 0 18px;
    border-radius: var(--radius-md);
    background: var(--bg);
    border: 1.5px solid var(--border);
    color: var(--text);
    font-size: 1rem;
  }
  .search-modal-input:focus {
    border-color: var(--brand);
    outline: none;
  }
  .search-modal-btn {
    min-height: 52px;
    padding: 0 24px;
    border-radius: var(--radius-md);
    background: var(--grad);
    color: #ffffff;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  /* ── 4. HERO SECTION WITH ANIMATED CSS GRADIENT MESH ── */
  .hp-hero-v3 {
    position: relative;
    min-height: 85dvh;
    max-height: 960px;
    display: flex;
    align-items: center;
    padding-block: clamp(48px, 8vw, 96px);
    overflow: hidden;
    background: var(--bg);
  }
  .hp-mesh-bg {
    position: absolute;
    inset: -30%;
    z-index: 0;
    pointer-events: none;
    background: var(--grad-mesh);
    filter: blur(60px);
    opacity: 0.85;
    animation: mesh-drift 18s ease-in-out infinite alternate;
  }
  @keyframes mesh-drift {
    0%   { transform: rotate(0deg) scale(1); }
    50%  { transform: rotate(8deg) scale(1.08) translate(2%, 3%); }
    100% { transform: rotate(-6deg) scale(0.96) translate(-2%, -2%); }
  }
  @media (prefers-reduced-motion: reduce) {
    .hp-mesh-bg {
      animation: none !important;
      transform: none !important;
    }
  }
  .hp-hero-v3 .container {
    position: relative;
    z-index: 1;
  }
  .hp-hero-v3-inner {
    max-width: 860px;
    margin-inline: auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: color-mix(in srgb, var(--surface-elevated) 85%, transparent);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 24px;
  }
  .hero-pill-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
  }
  .hp-h1-v3 {
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.035em;
  }
  .text-grad {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
  }
  .hp-lead-v3 {
    font-size: clamp(1.05rem, 1.8vw + 0.5rem, 1.35rem);
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 36px;
    max-width: 68ch;
  }

  /* One Primary CTA (Newsletter "Get Access") + One Secondary ("Explore Articles") */
  .hero-cta-bundle {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    width: 100%;
    max-width: 580px;
    margin-bottom: 20px;
  }
  .hero-access-form {
    display: flex;
    gap: 10px;
    width: 100%;
    background: var(--surface-elevated);
    padding: 6px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .hero-access-input {
    flex: 1;
    min-height: 48px;
    border: none;
    background: transparent;
    padding-inline: 16px;
    font-size: 1rem;
    color: var(--text);
  }
  .hero-access-input:focus {
    outline: none;
  }
  .hero-access-btn {
    min-height: 48px;
    padding-inline: 24px;
    background: var(--grad);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.9375rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-brand);
    transition: transform 0.15s, box-shadow 0.2s;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .hero-access-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px -4px color-mix(in srgb, var(--brand) 45%, transparent);
  }
  .hero-sub-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.875rem;
  }
  .hero-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-weight: 600;
    transition: border-color 0.2s, transform 0.15s;
  }
  .hero-btn-secondary:hover {
    border-color: var(--brand);
    transform: translateY(-1px);
  }
  .hero-link-sub {
    color: var(--muted);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s;
  }
  .hero-link-sub:hover {
    color: var(--brand);
  }

  /* ── 5. FEATURED PLAYBOOKS (Container Queries & Fluid Grid) ── */
  .hp-featured-section {
    padding-block: var(--space-xl);
    content-visibility: auto;
    contain-intrinsic-size: auto none auto 500px;
  }
  .section-headline-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    gap: 20px;
    flex-wrap: wrap;
  }
  .section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand);
    margin-bottom: 6px;
  }
  .playbooks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
    gap: var(--space-md);
    container-type: inline-size;
  }

  /* Playbook Card */
  .playbook-card {
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  }
  .playbook-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-brand);
    border-color: color-mix(in srgb, var(--brand) 40%, var(--border));
  }
  .playbook-card-thumb-wrap {
    aspect-ratio: 16 / 9;
    width: 100%;
    overflow: hidden;
    background: var(--border);
    position: relative;
  }
  .playbook-card-thumb-wrap img {
    aspect-ratio: 16 / 9;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
  }
  .playbook-card:hover .playbook-card-thumb-wrap img {
    transform: scale(1.04);
  }
  .playbook-card-body {
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .playbook-badge {
    align-self: flex-start;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
  }
  .playbook-title {
    font-size: 1.15rem;
    line-height: 1.35;
    margin-bottom: 10px;
  }
  .playbook-excerpt {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.55;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
  }
  .playbook-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--muted);
    margin-top: auto;
  }

  /* Container Query: Switch to horizontal layout when container is wide */
  @container (min-width: 580px) {
    .playbook-card--featured-solo {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      align-items: center;
    }
    .playbook-card--featured-solo .playbook-card-thumb-wrap {
      aspect-ratio: 16 / 10;
      height: 100%;
    }
    .playbook-card--featured-solo .playbook-card-body {
      padding: var(--space-md);
    }
  }

  /* ── 6. "WHAT YOU'LL FIND HERE" (BENTO GRID) ── */
  .hp-bento-section {
    padding-block: var(--space-xl);
    content-visibility: auto;
    contain-intrinsic-size: auto none auto 500px;
  }
  .bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-areas:
      "tile-1 tile-1 tile-2 tile-3"
      "tile-1 tile-1 tile-4 tile-5"
      "tile-6 tile-6 tile-7 tile-7";
    gap: var(--space-sm);
  }
  @media (max-width: 1024px) {
    .bento-grid {
      grid-template-columns: repeat(2, 1fr);
      grid-template-areas:
        "tile-1 tile-1"
        "tile-2 tile-3"
        "tile-4 tile-5"
        "tile-6 tile-7";
    }
  }
  @media (max-width: 640px) {
    .bento-grid {
      grid-template-columns: 1fr;
      grid-template-areas:
        "tile-1"
        "tile-2"
        "tile-3"
        "tile-4"
        "tile-5"
        "tile-6"
        "tile-7";
    }
  }
  .bento-tile {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
  }
  .bento-tile:hover {
    transform: translateY(-3px);
    border-color: var(--tile-color, var(--brand));
    box-shadow: 0 10px 26px -6px color-mix(in srgb, var(--tile-color, var(--brand)) 25%, transparent);
  }
  .bento-tile-1 { grid-area: tile-1; --tile-color: var(--cat-startups); background: linear-gradient(135deg, color-mix(in srgb, var(--cat-startups) 10%, var(--surface)), var(--surface)); }
  .bento-tile-2 { grid-area: tile-2; --tile-color: var(--cat-tech); }
  .bento-tile-3 { grid-area: tile-3; --tile-color: var(--cat-scaling); }
  .bento-tile-4 { grid-area: tile-4; --tile-color: #3b82f6; }
  .bento-tile-5 { grid-area: tile-5; --tile-color: #10b981; }
  .bento-tile-6 { grid-area: tile-6; --tile-color: var(--cat-news); background: linear-gradient(135deg, color-mix(in srgb, var(--cat-news) 8%, var(--surface)), var(--surface)); }
  .bento-tile-7 { grid-area: tile-7; --tile-color: #f59e0b; background: linear-gradient(135deg, color-mix(in srgb, #f59e0b 8%, var(--surface)), var(--surface)); }

  .bento-icon-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
  }
  .bento-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--tile-color, var(--brand)) 14%, transparent);
    color: var(--tile-color, var(--brand));
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .bento-icon svg {
    width: 22px;
    height: 22px;
  }
  .bento-number {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--muted);
    font-family: var(--font-mono);
  }
  .bento-title {
    font-size: 1.1rem;
    margin-bottom: 6px;
  }
  .bento-tile-1 .bento-title {
    font-size: clamp(1.35rem, 2vw + 0.5rem, 1.75rem);
  }
  .bento-desc {
    font-size: 0.8125rem;
    color: var(--muted);
    line-height: 1.5;
  }

  /* ── 7. SERVICES (3 EQUAL CARDS WITH GRADIENT BORDERS) ── */
  .hp-services-section {
    padding-block: var(--space-xl);
    content-visibility: auto;
    contain-intrinsic-size: auto none auto 500px;
  }
  .services-3-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
  @media (max-width: 960px) {
    .services-3-grid {
      grid-template-columns: 1fr;
    }
  }
  .service-grad-card {
    position: relative;
    border-radius: var(--radius-lg);
    background: var(--surface-elevated);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    border: 1.5px solid transparent;
    background-clip: padding-box;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }
  .service-grad-card::before {
    content: '';
    position: absolute;
    inset: -1.5px;
    border-radius: inherit;
    background: linear-gradient(135deg, color-mix(in srgb, var(--card-accent, var(--brand)) 80%, transparent), color-mix(in srgb, var(--accent) 40%, transparent));
    z-index: -1;
    transition: opacity 0.25s ease;
    opacity: 0.65;
  }
  .service-grad-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  .service-grad-card:hover::before {
    opacity: 1;
  }
  .service-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--card-accent, var(--brand)) 14%, transparent);
    color: var(--card-accent, var(--brand));
    margin-bottom: 20px;
  }
  .service-card-icon svg {
    width: 26px;
    height: 26px;
  }
  .service-card-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
  }
  .service-card-desc {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 24px;
    flex: 1;
  }
  .service-card-btn {
    align-self: flex-start;
    min-height: 44px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s, border-color 0.2s;
  }
  .service-card-btn:hover {
    background: var(--brand);
    color: #ffffff;
    border-color: var(--brand);
  }

  /* ── 8. "WHO WE ARE" (TWO-COLUMN SPLIT) ── */
  .hp-about-split {
    padding-block: var(--space-xl);
    content-visibility: auto;
    contain-intrinsic-size: auto none auto 400px;
  }
  .about-split-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-lg);
    align-items: center;
  }
  @media (max-width: 860px) {
    .about-split-grid {
      grid-template-columns: 1fr;
    }
  }
  .about-visual-card {
    background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 12%, var(--surface)), var(--surface));
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-md);
    position: relative;
    box-shadow: var(--shadow-md);
  }
  .about-quote-mark {
    font-size: 4rem;
    font-family: Georgia, serif;
    color: var(--brand);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: -10px;
  }
  .about-quote-text {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 20px;
    color: var(--text);
  }

  /* ── 9. TOOLS "COMING SOON" WITH DEDICATED WAITLIST FIELD ── */
  .hp-tools-waitlist-section {
    padding-block: var(--space-lg);
    content-visibility: auto;
    contain-intrinsic-size: auto none auto 350px;
  }
  .tools-waitlist-card {
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, var(--surface)), color-mix(in srgb, var(--brand) 10%, var(--surface)));
    border: 1.5px solid var(--border);
    border-radius: var(--radius-xl);
    padding: clamp(28px, 4vw, 48px);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-md);
  }
  .tools-coming-soon-pill {
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
  }
  .tools-waitlist-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    margin-bottom: 12px;
  }
  .tools-waitlist-desc {
    max-width: 58ch;
    color: var(--muted);
    margin-bottom: 28px;
    font-size: 0.9375rem;
  }
  .tools-waitlist-form {
    display: flex;
    gap: 10px;
    width: 100%;
    max-width: 520px;
  }
  .tools-waitlist-input {
    flex: 1;
    min-height: 48px;
    border-radius: var(--radius-md);
    background: var(--bg);
    border: 1.5px solid var(--border);
    padding-inline: 16px;
    font-size: 1rem;
    color: var(--text);
  }
  .tools-waitlist-input:focus {
    border-color: var(--accent);
    outline: none;
  }
  .tools-waitlist-btn {
    min-height: 48px;
    padding-inline: 22px;
    border-radius: var(--radius-md);
    background: var(--accent);
    color: #0b1a16;
    font-weight: 700;
    font-size: 0.9375rem;
    transition: transform 0.15s, background 0.2s;
    white-space: nowrap;
  }
  .tools-waitlist-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
  }

  /* ── 10. NEWSLETTER FULL-WIDTH GRADIENT BAND ── */
  .fnx-newsletter-fullwidth {
    background: var(--grad);
    color: #ffffff;
    padding-block: var(--space-xl);
    position: relative;
    overflow: hidden;
  }
  .newsletter-fw-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
  }
  .newsletter-fw-text {
    flex: 1;
    min-width: min(100%, 320px);
  }
  .newsletter-fw-title {
    color: #ffffff;
    font-size: clamp(1.75rem, 3vw, 2.4rem);
    margin-bottom: 10px;
  }
  .newsletter-fw-sub {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    max-width: 50ch;
  }
  .newsletter-fw-form-wrap {
    flex: 1;
    min-width: min(100%, 320px);
    max-width: 520px;
  }
  .newsletter-fw-form {
    display: flex;
    gap: 10px;
  }
  .newsletter-fw-input {
    flex: 1;
    min-height: 50px;
    border-radius: var(--radius-md);
    background: #ffffff;
    border: none;
    padding-inline: 18px;
    font-size: 1rem; /* 16px to prevent iOS auto-zoom */
    color: #0f172a;
  }
  .newsletter-fw-btn {
    min-height: 50px;
    padding-inline: 24px;
    border-radius: var(--radius-md);
    background: #0f172a;
    color: #ffffff;
    font-weight: 700;
    transition: transform 0.15s, background 0.2s;
    white-space: nowrap;
  }
  .newsletter-fw-btn:hover {
    background: #1e293b;
    transform: translateY(-1px);
  }

  /* ── 11. ARTICLE PAGE STYLING (Single Column 65-72ch) ── */
  .single-article-container {
    max-width: 72ch;
    margin-inline: auto;
    padding-inline: var(--space-sm);
  }
  
  /* Scroll-Driven Reading Progress Bar */
  .fnx-reading-progress-track {
    position: fixed;
    top: 68px; /* Below sticky header */
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 999;
    pointer-events: none;
  }
  .fnx-reading-progress-bar {
    height: 100%;
    background: var(--grad);
    transform-origin: left;
    width: 0%;
  }
  @supports (animation-timeline: scroll()) {
    .fnx-reading-progress-bar {
      width: 100%;
      transform: scaleX(0);
      animation: fnx-scroll-progress linear;
      animation-timeline: scroll();
    }
    @keyframes fnx-scroll-progress {
      from { transform: scaleX(0); }
      to   { transform: scaleX(1); }
    }
  }

  /* Article Content Styles */
  .article-body-content {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--text);
  }
  .article-body-content p {
    margin-bottom: 1.5em;
  }
  .article-body-content blockquote {
    border-left: 4px solid var(--brand);
    background: color-mix(in srgb, var(--brand) 6%, transparent);
    padding: 18px 24px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 2em 0;
    font-style: italic;
    color: var(--text);
  }
  .article-body-content pre {
    background: #0f172a;
    color: #f8fafc;
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 2em 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
  }
  .article-body-content code:not(pre code) {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.875em;
    color: var(--brand);
  }

  /* Responsive Scroll Wrapper for Tables */
  .table-responsive-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 2em 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
  }
  .table-responsive-wrapper table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
  }
  .table-responsive-wrapper th,
  .table-responsive-wrapper td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
  }
  .table-responsive-wrapper th {
    background: var(--surface);
    font-weight: 700;
  }
  .article-body-content table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Mobile-first Collapsible Table of Contents */
  .fnx-mobile-toc {
    display: none;
    margin-block: var(--space-md);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 18px;
  }
  @media (max-width: 1024px) {
    .fnx-mobile-toc {
      display: block;
    }
  }
  .fnx-mobile-toc-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    user-select: none;
    list-style: none;
  }
  .fnx-mobile-toc-summary::-webkit-details-marker {
    display: none;
  }
  .fnx-mobile-toc-summary .toc-arrow {
    transition: transform 0.2s ease;
  }
  .fnx-mobile-toc[open] .fnx-mobile-toc-summary .toc-arrow {
    transform: rotate(180deg);
  }
  .fnx-mobile-toc-content {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }
  .toc-mobile-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .toc-mobile-list li a {
    color: var(--muted);
    font-size: 0.875rem;
    line-height: 1.4;
    transition: color 0.15s;
  }
  .toc-mobile-list li a:hover {
    color: var(--brand);
  }

  /* Single Article Newsletter Box */
  .fnx-article-newsletter-box {
    margin-block: var(--space-xl);
    padding: var(--space-lg);
    background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 10%, var(--surface)), color-mix(in srgb, var(--accent) 8%, var(--surface)));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
  }
  .article-nl-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--surface);
    color: var(--brand);
    border: 1px solid var(--border);
    margin-bottom: 12px;
  }
  .article-nl-title {
    font-size: clamp(1.25rem, 2vw + 1rem, 1.75rem);
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
    text-wrap: balance;
  }
  .article-nl-sub {
    font-size: 0.95rem;
    color: var(--muted);
    max-width: 50ch;
    margin-inline: auto;
    margin-bottom: 20px;
    line-height: 1.6;
    text-wrap: pretty;
  }
  .article-nl-input-row {
    display: flex;
    gap: 10px;
    max-width: 480px;
    margin-inline: auto;
  }
  @media (max-width: 540px) {
    .article-nl-input-row {
      flex-direction: column;
    }
  }

  /* ── 12. COOKIE BANNER (Accept, Decline, Preferences) ── */
  .fnx-cookie-consent {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 680px;
    margin-inline: auto;
    z-index: 2500;
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
  }
  .fnx-cookie-consent.is-hidden {
    display: none !important;
  }
  .cookie-consent-text {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.5;
  }
  .cookie-consent-text a {
    color: var(--brand);
    text-decoration: underline;
  }
  .cookie-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
  }
  .cookie-btn {
    min-height: 40px;
    padding: 8px 18px;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 600;
    transition: background 0.2s, transform 0.15s;
  }
  .cookie-btn--accept {
    background: var(--brand);
    color: #ffffff;
  }
  .cookie-btn--accept:hover {
    background: var(--brand-hover);
  }
  .cookie-btn--decline {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
  }
  .cookie-btn--decline:hover {
    border-color: var(--muted);
  }
  .cookie-btn--pref {
    color: var(--muted);
    text-decoration: underline;
    background: transparent;
    padding-inline: 10px;
  }
  .cookie-btn--pref:hover {
    color: var(--text);
  }

  /* ── 13. MODERN FOOTER (4-COLUMN COLLAPSING) ── */
  .fnx-footer-v3 {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding-top: var(--space-xl);
    padding-bottom: var(--space-lg);
  }
  .footer-4col-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
  }
  @media (max-width: 960px) {
    .footer-4col-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  @media (max-width: 560px) {
    .footer-4col-grid {
      grid-template-columns: 1fr;
    }
  }
  .footer-social-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
  }
  .footer-social-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--radius-full);
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, border-color 0.2s, transform 0.15s;
  }
  .footer-social-btn:hover {
    color: var(--brand);
    border-color: var(--brand);
    transform: translateY(-2px);
  }
  .footer-social-btn svg {
    width: 18px;
    height: 18px;
  }

  /* ── 15. ABOUT PAGE (page-about.php) RESPONSIVE LAYOUT & SPACING ── */
  .fnx-about-page {
    padding-block: clamp(16px, 2.5vw, 32px) clamp(24px, 4vw, 48px) !important;
  }

  .fnx-about-page .about-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 820px;
    margin-inline: auto;
    margin-bottom: clamp(20px, 3.5vw, 36px) !important;
    padding: clamp(12px, 2vw, 24px) 0 0 !important;
  }

  .fnx-about-page .about-h1 {
    font-size: clamp(2rem, 4vw, 3.2rem) !important;
    font-weight: 800 !important;
    line-height: 1.15 !important;
    letter-spacing: -0.025em !important;
    color: var(--text) !important;
    margin: 0 0 12px !important;
    text-wrap: balance;
  }

  .fnx-about-page .about-lead {
    font-size: clamp(1rem, 1.8vw, 1.15rem) !important;
    color: var(--muted) !important;
    line-height: 1.6 !important;
    max-width: 720px !important;
    margin: 0 auto !important;
    text-wrap: pretty;
  }

  /* Mission Section & Grid */
  .about-mission-section {
    margin-bottom: clamp(24px, 3.5vw, 40px);
  }

  .about-mission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(14px, 2vw, 24px);
  }

  @media (max-width: 720px) {
    .about-mission-grid {
      grid-template-columns: 1fr;
      gap: 14px;
    }
  }

  .about-mission-card {
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-lg) !important;
    padding: clamp(20px, 3vw, 28px) !important;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  }

  .about-mission-card:hover {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--brand) 40%, var(--border)) !important;
    box-shadow: var(--shadow-md);
  }

  .about-mission-card h3 {
    font-size: clamp(1.15rem, 2vw, 1.35rem) !important;
    font-weight: 700 !important;
    color: var(--text) !important;
    margin: 0 0 10px !important;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .about-mission-card p {
    font-size: 0.9375rem !important;
    color: var(--muted) !important;
    line-height: 1.6 !important;
    margin: 0 !important;
  }

  /* Pillars Section & Grid (8 Editorial Topics) */
  .about-pillars-section {
    margin-bottom: clamp(28px, 4vw, 44px);
  }

  .about-pillars-section .hp-sec-header {
    margin-bottom: clamp(18px, 2.5vw, 28px);
  }

  .about-pillars-section .hp-sec-header h2 {
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    margin: 0 0 6px;
  }

  .about-pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(12px, 1.8vw, 18px);
  }

  @media (max-width: 1024px) {
    .about-pillars-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 520px) {
    .about-pillars-grid {
      grid-template-columns: 1fr;
      gap: 12px;
    }
  }

  .about-pillars-grid .pillar-card {
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-md) !important;
    padding: clamp(16px, 2vw, 20px) !important;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  }

  .about-pillars-grid .pillar-card:hover {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--brand) 45%, var(--border)) !important;
    box-shadow: var(--shadow-md);
  }

  .about-pillars-grid .pillar-icon {
    font-size: 1.6rem !important;
    line-height: 1 !important;
    margin-bottom: 10px !important;
    display: inline-block;
  }

  .about-pillars-grid .pillar-card h4 {
    font-size: 1.025rem !important;
    font-weight: 700 !important;
    color: var(--text) !important;
    margin: 0 0 6px !important;
    line-height: 1.25 !important;
  }

  .about-pillars-grid .pillar-card p {
    font-size: 0.84rem !important;
    color: var(--muted) !important;
    line-height: 1.5 !important;
    margin: 0 !important;
  }

  /* Call To Action Card */
  .about-cta-section {
    padding-top: clamp(8px, 1.5vw, 16px);
    margin-bottom: clamp(12px, 2vw, 20px);
  }

  .about-cta-card {
    background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 5%, var(--surface)) 0%, var(--surface) 100%) !important;
    border: 1px solid color-mix(in srgb, var(--brand) 20%, var(--border)) !important;
    border-radius: var(--radius-xl) !important;
    padding: clamp(28px, 4.5vw, 44px) clamp(20px, 4vw, 36px) !important;
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
  }

  .about-cta-card h2 {
    font-size: clamp(1.4rem, 2.5vw, 1.95rem) !important;
    font-weight: 800 !important;
    color: var(--text) !important;
    margin: 0 0 10px !important;
    text-wrap: balance;
  }

  .about-cta-card p {
    font-size: clamp(0.925rem, 1.5vw, 1.05rem) !important;
    color: var(--muted) !important;
    max-width: 600px !important;
    margin: 0 auto 20px !important;
    line-height: 1.6 !important;
    text-wrap: pretty;
  }

  .about-cta-card .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9375rem;
    text-decoration: none;
  }
}

/* ============================================================
   LAYER: UTILITIES & PERFORMANCE
   ============================================================ */
@layer utilities {
  /* Below-the-fold content-visibility */
  .defer-render {
    content-visibility: auto;
    contain-intrinsic-size: auto none auto 450px;
  }

  /* Touch optimization */
  .touch-target {
    min-height: 44px;
    min-width: 44px;
    touch-action: manipulation;
  }

  /* Shared container across announcement bar, main nav, and all page content (max-width: 72rem) */
  .container {
    width: 100%;
    max-width: 72rem !important;
    margin-inline: auto !important;
    padding-inline: clamp(1rem, 2.5vw, 1.75rem) !important;
    box-sizing: border-box;
  }

  /* Visually Hidden */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}