@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root{
    --night-1: #0F172A;
    --night-2: #1E293B;
    --night-card: #1E293B;
    --neutral: #0F172A;
    --neutral-surface: #1E293B;
    --neutral-border: #334155;

    --primary: #10B981;
    --primary-hover: #059669;
    --primary-light: #34D399;
    --primary-soft: #ECFDF5;
    --primary-deep: #047857;

    --ink: #0F172A;
    --ink-soft: #565F6C;
    --paper: #EEF1EA;
    --card: #FFFFFF;
    --line: #D9DED4;
    --dawn: #E2984C;
    --dawn-deep: #B06F28;
    --dawn-soft: #FBEEDC;
    --coral: #D9667A;
    --coral-deep: #AA4257;
    --coral-soft: #FCECEF;
    --sea: #10B981;
    --sea-deep: #047857;
    --sea-soft: #ECFDF5;
    --radius: 16px;
    --shadow: 0 1px 2px rgba(15,23,42,0.07), 0 10px 28px rgba(15,23,42,0.07);
    --shadow-float: 0 6px 18px rgba(15,23,42,0.1);
  }

  *{ box-sizing:border-box; margin:0; padding:0; }
  html{ scroll-behavior:smooth; }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; }
  }

  body{
    background:var(--paper); color:var(--ink);
    font-family:'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased;
  }

  h1,h2,h3,.display{ font-family:'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-weight:800; color:var(--ink); line-height:1.2; letter-spacing:-0.03em; }
  .mono{ font-family:'JetBrains Mono', ui-monospace, monospace; }
  a{ color:var(--primary-deep); text-decoration:none; transition:color 0.15s ease; }
  a:hover{ color:var(--primary) !important; text-decoration:underline; }
  a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible, select:focus-visible{
    outline:3px solid var(--primary); outline-offset:2px;
  }

  .wrap{ max-width:1120px; margin:0 auto; padding:0 24px; }

  /* Header */
  header.site{
    position: sticky; top: 0; z-index: 40;
    background-color: rgba(15, 23, 42, 0.96);
    background-image: url('bg-dark.png');
    background-repeat: repeat;
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .site-row{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    max-width: 1120px;
    margin: 0 auto;
    gap: 16px;
  }
  .logo{
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    text-decoration: none;
    color: #F6F4ED;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .site-logo-img{
    height: 34px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    display: block;
    image-rendering: -webkit-optimize-contrast;
  }
  .logo .mark{
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--dawn), var(--coral));
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.8rem;
  }
  /* Navigation & Mobile Menu */
  nav.site-nav{
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: nowrap;
    white-space: nowrap;
  }
  nav.site-nav a{
    color: #C9CDBE;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    padding: 6px 4px;
    transition: color 0.15s ease, background-color 0.15s ease;
    white-space: nowrap;
    flex-shrink: 0;
  }
  nav.site-nav a:hover{
    color: var(--primary) !important;
    text-decoration: none;
  }
  .badge-tag{
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.2);
    color: var(--primary-light);
    border: 1px solid rgba(16, 185, 129, 0.35);
    padding: 3px 8px;
    border-radius: 999px;
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* Hamburger Toggle Button (Mobile) */
  .nav-toggle{
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    color: #F6F4ED;
    transition: background-color 0.15s ease, border-color 0.15s ease;
  }
  .nav-toggle:hover{
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
  }
  .nav-toggle .hamburger-bar{
    display: block;
    width: 18px;
    height: 2px;
    background-color: currentColor;
    border-radius: 2px;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
  }
  .nav-toggle.active .hamburger-bar:nth-child(1){
    transform: translateY(6px) rotate(45deg);
  }
  .nav-toggle.active .hamburger-bar:nth-child(2){
    opacity: 0;
    transform: scaleX(0);
  }
  .nav-toggle.active .hamburger-bar:nth-child(3){
    transform: translateY(-6px) rotate(-45deg);
  }

  @media (max-width: 900px){
    nav.site-nav{ gap: 12px; }
    nav.site-nav a{ font-size: 0.84rem; }
    .logo{ font-size: 1.15rem; }
  }
  @media (max-width: 768px){
    header.site{ position: sticky; }
    .site-row{ position: relative; padding: 10px 16px; }
    .site-logo-img{ height: 28px; max-width: 180px; }
    .nav-toggle{ display: flex; }
    nav.site-nav{
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.98);
      background-image: url('bg-dark.png');
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      padding: 12px 16px 18px;
      flex-direction: column;
      align-items: stretch;
      gap: 4px;
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
      backdrop-filter: blur(14px);
      z-index: 100;
    }
    nav.site-nav.open{
      display: flex;
      animation: menuSlideDown 0.2s ease-out forwards;
    }
    nav.site-nav a{
      display: block;
      width: 100%;
      padding: 10px 14px;
      font-size: 0.92rem;
      border-radius: 8px;
      color: #E2E8F0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    nav.site-nav a:hover{
      background: rgba(16, 185, 129, 0.12);
      color: var(--primary) !important;
    }
  }

  @keyframes menuSlideDown{
    from{ opacity: 0; transform: translateY(-8px); }
    to{ opacity: 1; transform: translateY(0); }
  }

  /* Tool Hero */
  .hero-tool{
    background-color: var(--night-1);
    background-image: url('bg-dark.png');
    background-repeat: repeat;
    color: #EDEFE8; padding: 40px 0 34px; position: relative; overflow: visible;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .eyebrow{ display:inline-flex; align-items:center; gap:8px; font-size:0.78rem; font-weight:600; letter-spacing:0.07em; text-transform:uppercase; color:#C9CDBE; margin-bottom:14px; }
  .eyebrow .dot{ width:7px; height:7px; border-radius:50%; background:var(--primary); }

  /* Tool Frame */
  .tool-frame-wrap{
    position: relative;
    padding: 24px 20px 22px;
    margin: 22px auto 0;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    background: transparent;
  }

  /* Tool Title */
  .tool-border-title{
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--night-1);
    background-image: url('bg-dark.png');
    background-repeat: repeat;
    padding: 2px 24px;
    color: #FFFFFF;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    white-space: nowrap;
    z-index: 10;
    line-height: 1.2;
    text-align: center;
  }

  /* Corner Accents */
  .tool-frame-wrap::before,
  .tool-frame-wrap::after{
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    pointer-events: none;
    z-index: 2;
  }
  .tool-frame-wrap::before{
    top: -2px; left: -2px;
    border-top: 3px solid var(--primary);
    border-left: 3px solid var(--primary);
    border-top-left-radius: 20px;
  }
  .tool-frame-wrap::after{
    top: -2px; right: -2px;
    border-top: 3px solid var(--primary);
    border-right: 3px solid var(--primary);
    border-top-right-radius: 20px;
  }
  .corner-bl,
  .corner-br{
    position: absolute;
    width: 18px;
    height: 18px;
    pointer-events: none;
    z-index: 2;
  }
  .corner-bl{
    bottom: -2px; left: -2px;
    border-bottom: 3px solid var(--primary);
    border-left: 3px solid var(--primary);
    border-bottom-left-radius: 20px;
  }
  .corner-br{
    bottom: -2px; right: -2px;
    border-bottom: 3px solid var(--primary);
    border-right: 3px solid var(--primary);
    border-bottom-right-radius: 20px;
  }

  @media (max-width: 640px){
    .hero-tool{ padding: 28px 0 24px; }
    .tool-frame-wrap{ padding: 18px 12px 14px; border-radius: 16px; margin-top: 14px; }
    .tool-border-title{
      font-size: 1.05rem;
      padding: 2px 14px;
    }
  }

  /* Presets Bar */
  .presets-bar{
    display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 8px;
    padding: 0 0 18px;
    margin-bottom: 20px;
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .presets-title{ font-size: 0.78rem; font-weight: 700; color: #94A3B8; text-transform: uppercase; letter-spacing: 0.06em; margin-right: 4px; }
  .preset-pill{
    background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.14); color: #E2E8F0;
    padding: 6px 14px; border-radius: 999px; font-size: 0.82rem; font-weight: 600; cursor: pointer;
    transition: all 120ms ease; display: inline-flex; align-items: center; gap: 6px;
    backdrop-filter: blur(4px);
  }
  .preset-pill:hover{ background: rgba(16, 185, 129, 0.2); border-color: var(--primary); color: var(--primary); transform: translateY(-1px); }
  .preset-pill.active{ background: var(--primary); color: #0F172A; border-color: var(--primary); font-weight: 700; box-shadow: 0 2px 10px rgba(16, 185, 129, 0.35); }
  .preset-pill svg{
    width: 14px;
    height: 14px;
    display: inline-block;
    flex-shrink: 0;
    fill: currentColor;
    vertical-align: middle;
  }

  /* Calculator Form */
  .calc-shell{
    background: transparent; border: none; border-radius: 0;
    box-shadow: none; overflow: visible;
  }
  .calc-grid{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:0; }
  @media (max-width:880px){ .calc-grid{ grid-template-columns:1fr; } }

  .calc-col{ padding: 8px 24px; color: #FFFFFF; background: transparent; }
  .calc-col + .calc-col{ border-left: 1px solid rgba(255, 255, 255, 0.1); }
  @media (max-width:880px){ .calc-col + .calc-col{ border-left:none; border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 20px; } }
  .calc-col h3{ font-size: 1.05rem; margin: 0 0 16px; display: flex; align-items: center; gap: 8px; color: #FFFFFF; font-weight: 700; }
  .calc-col h3 .swatch{ width:10px; height:10px; border-radius:3px; }
  .calc-col.now h3 .swatch{ background: #94A3B8; }
  .calc-col.target h3 .swatch{ background: #F87171; }
  .calc-col.growth h3 .swatch{ background: var(--primary); }

  .field{ margin-bottom: 16px; }
  .field label{ display: flex; justify-content: space-between; align-items: baseline; font-size: 0.86rem; font-weight: 600; color: #F1F5F9; margin-bottom: 6px; }
  .field label .unit{ font-weight: 500; color: #94A3B8; font-size: 0.78rem; font-family: 'JetBrains Mono', monospace; }
  .input-wrap{ position: relative; display: flex; align-items: center; }
  .input-wrap .prefix{ position: absolute; left: 12px; color: #94A3B8; font-family: 'JetBrains Mono', monospace; font-size: 0.92rem; pointer-events: none; }
  .calc-col input[type="number"]{
    width: 100%; height: 44px; padding: 0 12px; border-radius: 9px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.06);
    font-family: 'JetBrains Mono', monospace; font-size: 0.95rem; color: #FFFFFF;
    transition: all 0.15s ease;
  }
  .calc-col input[type="number"].has-prefix{ padding-left: 28px; }
  .calc-col input[type="number"]:focus{
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
    outline: none;
  }
  .field .hint{ font-size: 0.78rem; color: #94A3B8; margin-top: 5px; line-height: 1.4; }

  /* Return Note */
  .return-note{
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 12px 14px;
    margin-top: 20px;
    font-size: 0.82rem;
    color: #CBD5E1;
    line-height: 1.45;
  }
  .return-note strong{ color: #FFFFFF; }

  /* Action Buttons */
  .action-bar-wrap{
    margin-top: -24px;
    position: relative;
    z-index: 35;
    display: flex;
    justify-content: center;
    padding: 0 16px;
  }
  .action-bar{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
  }
  .act-btn{
    background: #FFFFFF;
    color: #0F172A;
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 999px;
    padding: 10px 22px;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08), 0 1px 3px rgba(15, 23, 42, 0.04);
    transition: all 0.16s ease;
    white-space: nowrap;
    position: relative;
    text-decoration: none;
  }
  .act-btn .act-icon{
    width: 15px;
    height: 15px;
    display: inline-block;
    flex-shrink: 0;
    fill: currentColor;
  }
  .act-btn:hover{
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12), 0 2px 6px rgba(15, 23, 42, 0.06);
    border-color: #CBD5E1;
    color: #0F172A;
  }
  .act-btn.primary{
    background: var(--primary);
    color: #0F172A;
    border: 1px solid var(--primary);
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
  }
  .act-btn.primary:hover{
    background: #0ea371;
    color: #0F172A;
    border-color: #0ea371;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.45);
  }
  .act-select-wrap{
    position: relative;
    display: inline-flex;
    align-items: center;
  }
  .act-select{
    background: #FFFFFF;
    color: #0F172A;
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 999px;
    padding: 10px 36px 10px 22px;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08), 0 1px 3px rgba(15, 23, 42, 0.04);
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230F172A' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    transition: all 0.16s ease;
    white-space: nowrap;
  }
  .act-select:hover{
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
    border-color: #CBD5E1;
  }

  /* Tooltip Component */
  [data-tooltip]{
    position: relative;
  }
  [data-tooltip]::before{
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid #111827;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease;
    pointer-events: none;
    z-index: 1000;
  }
  [data-tooltip]::after{
    content: attr(data-tooltip);
    position: absolute;
    top: calc(100% + 5px);
    left: 50%;
    transform: translateX(-50%);
    background: #111827;
    color: #FFFFFF;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 11.5px;
    font-weight: 500;
    line-height: 1.25;
    letter-spacing: 0.01em;
    white-space: nowrap;
    padding: 5px 10px;
    border-radius: 4px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease;
    pointer-events: none;
    z-index: 1000;
  }
  [data-tooltip]:hover::before,
  [data-tooltip]:hover::after,
  [data-tooltip]:focus-visible::before,
  [data-tooltip]:focus-visible::after{
    opacity: 1;
    visibility: visible;
  }
  @media (max-width: 640px){
    .action-bar-wrap{ margin-top: -18px; padding: 0 10px; }
    .action-bar{ gap: 8px; justify-content: center; }
    .act-btn{ padding: 8px 16px; font-size: 0.82rem; gap: 6px; }
    .act-select{ padding: 8px 30px 8px 16px; font-size: 0.82rem; }
  }

  /* Results Section */
  section.results-section{ padding:44px 0 54px; }
  .results-section .wrap{ max-width: 1260px; }
  .results-main{
    display: grid;
    grid-template-columns: 460px 1fr;
    gap: 24px;
    width: 100%;
    margin: 0 auto;
    align-items: start;
  }

  /* Chartmeter Shell */
  .results-card-shell{
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .results-header-bar{
    background: #FAFBF9;
    border-bottom: 1px solid var(--line);
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
  }
  .results-header-bar .pill-status{
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
  }
  .pill-status.sea{ background:var(--primary-soft); color:var(--primary-deep); border:1px solid rgba(16,185,129,0.3); }
  .pill-status.coral{ background:var(--coral-soft); color:var(--coral-deep); }
  .pill-status.dawn{ background:var(--dawn-soft); color:var(--dawn-deep); }

  .results-body{
    padding: 24px 20px;
    background: #F8FAFC;
    border-bottom: 1px solid var(--line);
    flex: 1;
  }
  .results-grid{
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: stretch;
  }

  .glide-output{ text-align: center; }
  .glide-output svg{ width: 100%; max-width: 250px; height: auto; display: block; margin: 0 auto; }
  .coast-age-label{ font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-weight: 800; font-size: 1.75rem; letter-spacing: -0.02em; margin-top: 8px; line-height: 1.15; }
  .coast-age-label.sea{ color: var(--sea-deep); }
  .coast-age-label.coral{ color: var(--coral-deep); }
  .coast-age-label.dawn{ color: var(--dawn-deep); }
  .coast-sub{ font-size: 0.88rem; color: var(--ink-soft); margin-top: 4px; }

  .result-cards{ display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  @media (max-width: 480px){ .result-cards{ grid-template-columns: 1fr; } }
  .result-card{ background: #fff; border-radius: 12px; padding: 14px 16px; border: 1px solid var(--line); }
  .result-card .rc-label{ font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); margin-bottom: 4px; }
  .result-card .rc-value{ font-family: 'JetBrains Mono', monospace; font-size: 1.35rem; font-weight: 600; color: var(--ink); }
  .result-card .rc-sub{ font-size: 0.75rem; color: var(--ink-soft); margin-top: 3px; }

  .progress-banner{ background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
  .progress-banner .pb-top{ display: flex; justify-content: space-between; font-size: 0.82rem; font-weight: 600; margin-bottom: 8px; }
  .progress-track{ width: 100%; height: 10px; background: var(--paper); border-radius: 6px; overflow: hidden; }
  .progress-fill{ height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-light)); border-radius: 6px; width: 0%; transition: width 220ms ease; }

  /* Chart Container */
  .chart-shell{
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 24px 28px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
  }
  .chart-header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 18px;
  }
  .chart-header h3{ font-size: 1.15rem; margin: 0; font-weight: 800; color: var(--ink); }
  .chart-legend{ display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.8rem; font-weight: 600; color: var(--ink-soft); }
  .c-dot{ width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-right: 6px; vertical-align: middle; }
  .canvas-box{
    position: relative;
    width: 100%;
    height: 360px;
    min-height: 320px;
    max-height: 380px;
  }
  canvas#glideChart{ width: 100%; height: 100%; display: block; cursor: crosshair; }

  @media (max-width: 1024px){
    .results-main{
      grid-template-columns: 1fr;
    }
    .canvas-box{ height: 320px; min-height: 280px; max-height: none; }
  }
  @media (max-width: 640px){
    .chart-shell{ padding: 18px 16px; }
    .canvas-box{ height: 260px; min-height: 240px; max-height: none; }
    .chart-header{ flex-direction: column; align-items: flex-start; gap: 10px; }
    .chart-legend{ gap: 10px; font-size: 0.75rem; }
  }

  /* Chart Tooltip */
  .chart-tooltip{
    position: absolute;
    pointer-events: none;
    z-index: 25;
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 16px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.15), 0 2px 6px rgba(15, 23, 42, 0.08);
    font-size: 0.82rem;
    color: var(--ink);
    line-height: 1.5;
    min-width: 210px;
    transform: translateY(-50%);
    transition: opacity 100ms ease;
  }
  .chart-tooltip .tt-age{
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
    padding-bottom: 6px;
    margin-bottom: 8px;
  }
  .chart-tooltip .tt-age strong{
    color: var(--primary-deep);
  }
  .chart-tooltip .tt-row{
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 5px;
    font-size: 0.82rem;
    color: var(--ink-soft);
  }
  .chart-tooltip .tt-row:last-child{
    margin-bottom: 0;
  }
  .chart-tooltip .tt-row strong{
    color: var(--ink);
    font-weight: 700;
  }

  /* Worked Example Box */
  .worked-example{
    background:var(--primary-soft); border:1px solid var(--primary); border-radius:14px;
    padding:18px 22px; font-size:0.94rem; color:var(--primary-deep); line-height:1.55;
  }
  .worked-example strong{ color:var(--primary-deep); }
  .worked-step-math{ font-family:'JetBrains Mono', monospace; font-size:0.88rem; background:rgba(255,255,255,0.85); color:#0F172A; padding:2px 6px; border-radius:4px; display:inline-block; margin:2px 0; }

  .section-title-center{ text-align:center; max-width:640px; margin:0 auto 36px; }
  .section-title-center h2{ font-size:clamp(1.6rem, 3vw, 2.1rem); margin-bottom:8px; }
  .section-title-center p{ color:var(--ink-soft); font-size:0.96rem; }

  /* ARTICLE */
  section.article{ padding:60px 0; border-top:1px solid var(--line); background:#FFFFFF; }
  section.article .wrap{ max-width:800px; }

  .article-intro-header{
    margin-bottom: 40px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
  }
  .article-intro-header .eyebrow{
    color: var(--sea);
    margin-bottom: 12px;
  }
  .article-intro-header .eyebrow .dot{
    background: var(--sea);
  }
  .article-intro-header h1,
  .article-intro-header h2{
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    color: var(--ink);
    margin: 0 0 14px;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
  }
  .article-intro-header p.lede{
    font-size: 1.08rem;
    color: var(--ink-soft);
    line-height: 1.65;
    margin: 0;
  }

  section.article h2{ font-size:clamp(1.5rem, 3vw, 1.9rem); margin:44px 0 14px; }
  section.article h2:first-child{ margin-top:0; }
  section.article p{ color:var(--ink-soft); margin:0 0 16px; font-size:1rem; line-height:1.68; }
  .formula{
    background:var(--paper); border:1px solid var(--line); border-left:4px solid var(--coral);
    border-radius:8px; padding:16px 20px; font-family:'JetBrains Mono', monospace; font-size:0.9rem;
    margin:18px 0; overflow-x:auto; color:var(--ink); font-weight:500;
  }

  /* Factor Cards */
  .factors-grid{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 22px 0 34px;
  }
  .factor-card{
    background: #FFFFFF;
    border: 1.5px solid var(--line);
    border-radius: 14px;
    padding: 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  }
  .factor-card:hover{
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px -4px rgba(16, 185, 129, 0.12), 0 4px 6px -2px rgba(16, 185, 129, 0.05);
  }
  .factor-card .factor-icon-wrap{
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.09);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  }
  .factor-card:hover .factor-icon-wrap{
    background: var(--primary);
    color: #FFFFFF;
    transform: scale(1.05);
  }
  .factor-card .factor-icon-wrap svg{
    width: 26px;
    height: 26px;
    display: block;
    fill: currentColor;
  }
  .factor-card .factor-content{
    width: 100%;
  }
  .factor-card .factor-title{
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 6px 0;
    letter-spacing: -0.01em;
  }
  .factor-card .factor-desc{
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--ink-soft);
    margin: 0;
  }
  @media (max-width: 720px){
    .factors-grid{
      grid-template-columns: 1fr;
      gap: 14px;
    }
    .factor-card{
      padding: 20px 16px;
      gap: 14px;
    }
    .factor-card .factor-icon-wrap{
      width: 44px;
      height: 44px;
    }
    .factor-card .factor-icon-wrap svg{
      width: 24px;
      height: 24px;
    }
  }

  /* Comparison Table */
  section.table-section{ padding:60px 0; background:var(--paper); border-top:1px solid var(--line); }
  .table-responsive{
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 14px;
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
    background: #FFFFFF;
  }
  .cmp-table{
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: #FFFFFF;
  }
  .cmp-table caption{ text-align:left; padding:0 0 14px; color:var(--ink-soft); font-size:0.9rem; }
  .cmp-table th, .cmp-table td{
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    font-size: 0.93rem;
    vertical-align: middle;
  }
  .cmp-table th:first-child, .cmp-table td:first-child{ width: 150px; min-width: 140px; }
  .cmp-table th:last-child, .cmp-table td:last-child{ width: 220px; min-width: 200px; text-align: left; }
  .cmp-table thead th{
    background: #FAFBF9;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--ink);
    letter-spacing: -0.01em;
  }
  .cmp-table tbody tr:last-child td{ border-bottom: none; }
  .cmp-table tbody tr:hover{ background: #FBFAF5; }
  .cmp-table td.hi{ color: var(--primary-deep); font-weight: 700; }
  .work-pill{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    white-space: nowrap;
    line-height: 1.35;
  }
  .work-pill.yes{ background: #ECFDF5; color: #047857; border: 1px solid rgba(16, 185, 129, 0.3); }
  .work-pill.part{ background: #FFFBEB; color: #B45309; border: 1px solid rgba(245, 158, 11, 0.3); }
  .work-pill.no{ background: #F1F5F9; color: #475569; border: 1px solid rgba(148, 163, 184, 0.3); }

  /* FAQ */
  section.faq{ padding:60px 0 80px; background:#FFFFFF; border-top:1px solid var(--line); }
  section.faq .wrap{ max-width:800px; }
  .faq-item{ background:var(--paper); border:1px solid var(--line); border-radius:12px; margin-bottom:12px; overflow:hidden; }
  .faq-item summary{ cursor:pointer; list-style:none; padding:18px 20px; font-weight:600; font-size:1rem; display:flex; align-items:center; justify-content:space-between; gap:12px; min-height:44px; color:var(--ink); }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary .chev{ transition:transform 160ms ease; flex-shrink:0; color:var(--ink-soft); font-size:1.2rem; }
  .faq-item[open] summary .chev{ transform:rotate(45deg); color:var(--primary); }
  .faq-item .faq-body{ padding:0 20px 20px; color:var(--ink-soft); font-size:0.95rem; line-height:1.6; }

  /* Footer */
  footer.site{
    background-color: var(--night-1);
    background-image: url('bg-dark.png');
    background-repeat: repeat;
    color: #A5ACB8; border-top: 1px solid #1E293B; padding: 54px 0 36px;
  }
  .footer-links{ display:flex; justify-content:center; flex-wrap:wrap; gap:20px; margin-bottom:28px; }
  .footer-links a{ color:#D1D6DE; font-size:0.88rem; font-weight:500; transition:color 0.15s ease; }
  .footer-links a:hover{ color:var(--primary) !important; text-decoration:none; }
  footer.site .disclaimer{ max-width:820px; margin:0 auto 28px; text-align:center; font-size:0.82rem; line-height:1.55; color:#8A92A0; }
  footer.site .disclaimer strong{ color:#EDEFE8; }
  .footer-copy{ text-align:center; font-size:0.78rem; color:#6B7484; padding-top:20px; border-top:1px solid rgba(255,255,255,0.08); }

  /* Toast Notification */
  .toast{
    position:fixed; bottom:24px; right:24px; background:var(--night-1); color:#FFFFFF;
    border:1px solid var(--primary); padding:12px 20px; border-radius:999px;
    box-shadow:var(--shadow-float); font-size:0.88rem; font-weight:600; display:flex; align-items:center; gap:8px;
    transform:translateY(120%); opacity:0; transition:all 200ms cubic-bezier(0.16, 1, 0.3, 1); z-index:9999;
  }
  .toast.show{ transform:translateY(0); opacity:1; }
  .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; }

/* ========================================================
   Content & Legal Pages Specific Styles
   ======================================================== */
.page-hero {
  background-color: var(--night-1);
  background-image: url('bg-dark.png');
  background-repeat: repeat;
  color: #EDEFE8;
  padding: 52px 0 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.page-hero .eyebrow {
  margin-bottom: 12px;
}
.page-hero h1 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  color: #F6F4ED;
  margin-bottom: 14px;
}
.page-hero p.hero-lead {
  font-size: 1.05rem;
  color: #C9CDBE;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.55;
}
.doc-section {
  padding: 56px 0 80px;
  background: var(--paper);
}
.doc-card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 48px;
  box-shadow: var(--shadow);
  max-width: 860px;
  margin: 0 auto;
}
@media (max-width: 640px) {
  .doc-card {
    padding: 24px 20px;
  }
}
.doc-card h2 {
  font-size: 1.55rem;
  color: var(--ink);
  margin: 36px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.doc-card h2:first-of-type {
  margin-top: 0;
}
.doc-card h3 {
  font-size: 1.18rem;
  color: var(--ink);
  margin: 24px 0 10px;
}
.doc-card p {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 16px;
}
.doc-card ul, .doc-card ol {
  color: var(--ink-soft);
  margin: 0 0 20px 24px;
  font-size: 0.98rem;
  line-height: 1.7;
}
.doc-card li {
  margin-bottom: 8px;
}
.callout-box {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--sea);
  border-radius: 10px;
  padding: 18px 22px;
  margin: 22px 0;
  font-size: 0.95rem;
  color: var(--ink);
}
.callout-box.coral {
  border-left-color: var(--coral);
  background: var(--coral-soft);
  color: var(--coral-deep);
}
.callout-box.dawn {
  border-left-color: var(--dawn);
  background: var(--dawn-soft);
  color: var(--dawn-deep);
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 24px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
}
.form-control {
  width: 100%;
  padding: 12px 14px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color 0.15s ease;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
  background: #FFFFFF;
  outline: none;
}
textarea.form-control {
  resize: vertical;
  min-height: 130px;
}
.btn-submit {
  align-self: flex-start;
  background: var(--primary);
  color: #0F172A;
  padding: 12px 32px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-submit:hover {
  background: var(--primary-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.4);
}