:root{
      --navy-950:#01030f;
      --navy-900:#020616;
      --navy-800:#050a1b;

      --lime:#b9c85a;
      --lime-soft: rgba(185,200,90,0.14);
      --lime-soft-strong: rgba(185,200,90,0.22);

      --violet:#8b5cff;
      --violet-soft: rgba(139,92,255,0.20);
      --violet-border-soft: rgba(139,92,255,0.55);

      --blue:#4ea8ff;
      --blue-soft: rgba(78,168,255,0.18);

      --ink:#f7fbff;
      --ink-soft:#c5cee7;
      --ink-subtle:#8890aa;

      --border-subtle: rgba(255,255,255,0.08);
      --border-soft: rgba(255,255,255,0.14);

      --panel-radius-lg: 20px;
      --panel-radius-md: 16px;
      --panel-radius-sm: 12px;

      --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      --font-display: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

      --space-xxl: 88px;
      --space-xl: 60px;
      --space-lg: 40px;
      --space-md: 28px;
      --space-sm: 18px;
      --space-xs: 10px;
    }

    *, *::before, *::after{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; max-width:100%; overflow-x:hidden; }
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font-sans);
      color:var(--ink-soft);
      background: radial-gradient(circle at top, #071025 0, var(--navy-900) 32%, var(--navy-950) 100%);
      -webkit-font-smoothing: antialiased;
      text-rendering: geometricPrecision;
      max-width:100%;
      overflow-x:hidden;
    }
    a{ color:inherit; text-decoration:none; }
    img{ max-width:100%; height:auto; display:block; }
    p{ margin:0; }

    .page-shell{
      min-height:100vh;
      display:flex;
      flex-direction:column;
      opacity:0;
      animation: pageFadeIn 320ms ease-out forwards;
    }
    @keyframes pageFadeIn{ from{ opacity:0; } to{ opacity:1; } }
    @media (prefers-reduced-motion: reduce){
      .page-shell{ animation:none; opacity:1; }
    }

    .page-inner{
      max-width: 1160px;
      margin: 0 auto;
      padding: var(--space-xl) 20px var(--space-xxl);
      width:100%;
      display:flex;
      flex-direction:column;
      gap: var(--space-xxl);
    }

    /* Buttons (same language as product) */
    .btn{
      border-radius: 999px;
      border: 1px solid transparent;
      padding: 10px 18px;
      font-size: 11px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      cursor: pointer;
      font-family: var(--font-sans);
      display: inline-flex;
      align-items:center;
      justify-content:center;
      gap: 8px;
      background: transparent;
      color: var(--ink);
      transition: transform .12s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
      white-space: nowrap;
      max-width: 100%;
      overflow: hidden;
      text-overflow: ellipsis;
      user-select:none;
    }
    .btn-primary{
      background:
        radial-gradient(circle at top left, var(--lime-soft-strong), transparent 55%),
        linear-gradient(135deg, #f7ffe1 0%, #dde98b 28%, var(--lime) 100%);
      color:#050509;
      border-color: rgba(0,0,0,0.82);
      box-shadow: 0 14px 30px rgba(0,0,0,0.70), 0 0 0 1px rgba(255,255,255,0.04);
    }


    .btn-primary:hover{
      transform: translateY(-1px);
      box-shadow: 0 18px 40px rgba(0,0,0,0.78), 0 0 0 1px rgba(255,255,255,0.08);
    }



 .btn-primary-blue{
           border-color: rgba(255,255,255,0.14);
      background: rgba(3,7,22,0.84);
      color: var(--ink-soft);
    
    }

.btn-primary-blue:hover{
      border-color: rgba(139,92,255,0.55);
      background:
        radial-gradient(circle at top left, rgba(139,92,255,0.14), transparent 60%),
        rgba(3,7,22,0.92);
      transform: translateY(-1px);
}
    .btn-ghost{
      border-color: rgba(191,219,254,0.22);
      background:
        radial-gradient(circle at top left, rgba(78,168,255,0.10), transparent 60%),
        rgba(3,7,22,0.84);
      color: var(--ink-soft);
    }
    .btn-ghost:hover{
      border-color: rgba(139,92,255,0.55);
      background:
        radial-gradient(circle at top left, rgba(139,92,255,0.14), transparent 60%),
        rgba(3,7,22,0.92);
      transform: translateY(-1px);
    }
    .btn-soft{
      border-color: rgba(255,255,255,0.14);
      background: rgba(3,7,22,0.62);
      color: rgba(197,206,231,0.92);
    }
    .btn-soft:hover{
      border-color: rgba(139,92,255,0.45);
      background: rgba(3,7,22,0.82);
      transform: translateY(-1px);
    }
    .btn-pill{
      border-color: rgba(255,255,255,0.14);
      background: rgba(2,6,23,0.66);
      color: rgba(247,251,255,0.92);
      box-shadow: 0 12px 26px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.04);
    }
    .btn-pill:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 34px rgba(0,0,0,0.70), 0 0 0 1px rgba(255,255,255,0.07);
    }
    .btn-pill--lime{
      border-color: rgba(185,200,90,0.40);
      background:
        radial-gradient(circle at top left, rgba(185,200,90,0.12), transparent 60%),
        rgba(2,6,23,0.70);
    }
    .btn-pill--violet{
      border-color: rgba(139,92,255,0.45);
      background:
        radial-gradient(circle at top left, rgba(139,92,255,0.14), transparent 60%),
        rgba(2,6,23,0.70);
    }
    .btn-pill--blue{
      border-color: rgba(78,168,255,0.40);
      background:
        radial-gradient(circle at top left, rgba(78,168,255,0.12), transparent 60%),
        rgba(2,6,23,0.70);
        
    }

    .pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding: 5px 10px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.14);
      background: rgba(3,7,22,0.72);
      font-size: 9px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(197,206,231,0.84);
      white-space: nowrap;
      line-height: 1.1;
      user-select:none;
    }
    .pill.is-lime{ border-color: rgba(185,200,90,0.38); }
    .pill.is-violet{ border-color: rgba(139,92,255,0.38); }
    .pill.is-blue{ border-color: rgba(78,168,255,0.38); }

    .eyebrow{
      font-size:11px;
      text-transform: uppercase;
      letter-spacing: 0.2em;
      color: var(--ink-subtle);
      line-height: 1.25;
    }
    .section-title{
      margin:0;
      font-family: var(--font-display);
      font-size: 20px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--ink);
      line-height: 1.25;
    }
    .section-body{
      margin:0;
      font-size: 14px;
      color: var(--ink-soft);
      line-height: 1.95;
      max-width: 60rem;
    }

    .panel{
      border-radius: var(--panel-radius-lg);
      border: 1px solid var(--border-subtle);
      background: rgba(3,7,22,0.92);
      overflow:hidden;
      min-width:0;
    }

    /* HERO + TOC */
    .guide-hero{
      padding-top: 26px;
      display:grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
      gap: var(--space-lg);
      align-items: start;
    }
    .hero-title{
      margin:0;
      font-family: var(--font-display);
      font-size: clamp(20px, 2.4vw, 32px);
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--ink);
      line-height: 1.18;
    }
    .hero-body{
      font-size: 14px;
      color: var(--ink-soft);
      line-height: 1.95;
      max-width: 46rem;
    }
    .hero-cta-row{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      margin-top: 12px;
    }

    .toc-card{
      border-radius: var(--panel-radius-lg);
      border: 1px solid rgba(191,219,254,0.16);
      background:
        radial-gradient(circle at top left, rgba(78,168,255,0.14), transparent 58%),
        radial-gradient(circle at top left, rgba(139,92,255,0.18), transparent 62%),
        rgba(3,7,22,0.92);
      padding: 16px 16px 14px;
      overflow:hidden;
      display:grid;
      gap: 10px;
    }
    .toc-title{
      font-size: 10px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--ink-subtle);
      line-height: 1.25;
      display:flex;
      justify-content: space-between;
      align-items: baseline;
      gap: 10px;
    }
    .toc-links{
      display:grid;
      gap: 8px;
      margin-top: 2px;
    }
    .toc-link{
      display:flex;
      align-items:center;
      justify-content: space-between;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(2,6,23,0.66);
      transition: transform .12s ease, border-color .18s ease, background .18s ease;
      min-width:0;
    }
    .toc-link:hover{
      transform: translateY(-1px);
      border-color: rgba(139,92,255,0.35);
      background: rgba(2,6,23,0.78);
    }
    .toc-link.is-active{
      border-color: rgba(185,200,90,0.55);
      background:
        radial-gradient(circle at top left, rgba(185,200,90,0.10), transparent 60%),
        rgba(2,6,23,0.74);
    }
    .toc-left{
      display:grid;
      gap: 4px;
      min-width:0;
    }
    .toc-kicker{
      font-size: 9px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(197,206,231,0.84);
      line-height: 1.25;
      white-space: nowrap;
      overflow:hidden;
      text-overflow: ellipsis;
    }
    .toc-name{
      font-size: 12px;
      color: var(--ink);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      line-height: 1.25;
      white-space: nowrap;
      overflow:hidden;
      text-overflow: ellipsis;
    }
    .toc-dot{
      width: 8px; height: 8px; border-radius: 999px;
      background: linear-gradient(135deg, var(--lime), var(--violet));
      box-shadow: 0 0 10px rgba(185,200,90,0.45);
      flex: 0 0 auto;
    }
/* ===== Tablet slot MUST clip contents ===== */
.tablet-slot{
  position: relative;
  display: block;
  overflow: hidden;         
  border-radius: 18px;       
}

/* ===== Any image inside tablet fills the slot exactly ===== */
.tablet-slot img{
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;         /* key: fills box without distortion */
  object-position: center;
  border-radius: inherit;    /* matches the glass curve */
}


.tablet-grid--example{
  grid-template-columns: 1fr; /* one wide tablet */
}

/* If your base tablet-slot doesn’t have a fixed height, give it one */
.tablet-slot--image{
  min-height: 220px;
}

/* Responsive height tuning */
@media (min-width: 860px){
  .tablet-slot--image{ min-height: 280px; }
}
@media (max-width: 520px){
  .tablet-slot--image{ min-height: 200px; }
}

.tablet-slot{
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(2, 6, 22, 0.42);
  box-shadow:
    0 22px 70px rgba(0,0,0,0.55),
    inset 0 1px 0 rgba(255,255,255,0.10);
}

.tablet-slot::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  border-radius: inherit;
  background:
    radial-gradient(circle at 18% 12%, rgba(255,255,255,0.10), transparent 38%),
    linear-gradient(180deg, rgba(255,255,255,0.06), transparent 30%, rgba(0,0,0,0.14));
  mix-blend-mode: screen;
  opacity: 0.85;
}

    /* SECTIONS */
    .section{ width:100%; }
    .section-header{
      display:flex;
      flex-direction:column;
      gap: 10px;
      max-width: 60rem;
      margin:0 0 var(--space-md) 0;
    }

    /* STAT RAIL */
    .rail{
      border-radius: var(--panel-radius-lg);
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(3,7,22,0.92);
      padding: 16px 16px;
      overflow:hidden;
    }
    .rail-grid{
      margin-top: 12px;
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      
    }
    .rail-card{
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(2,6,23,0.66);
      padding: 14px 14px 12px;
      display:grid;
      gap: 8px;
      min-width:0;
    }
    .rail-name{
      margin:0;
      font-size: 11px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--ink);
      line-height: 1.25;
      text-align: center;
    }
    .rail-desc{
      margin:0;
      font-size: 12px;
      line-height: 1.85;
      color: rgba(197,206,231,0.92);
      text-align: center;
    }

    /* PATTERNS */
    .pattern-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: var(--space-md);
      align-items: start;
    }
    .pattern-card{
      border-radius: var(--panel-radius-lg);
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(3,7,22,0.92);
      padding: 18px 18px 16px;
      display:grid;
      gap: 10px;
      overflow:hidden;
      min-width:0;
    }
    .pattern-title{
      margin:0;
      font-size: 12px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--ink);
      line-height: 1.25;
      display:flex;
      align-items:center;
      justify-content: space-between;
      gap: 10px;
    }
    .pattern-text{
      margin:0;
      font-size: 13px;
      line-height: 1.95;
      color: rgba(197,206,231,0.92);
      max-width: 56rem;
    }
    .mini-list{
      margin:0;
      padding-left: 16px;
      display:grid;
      gap: 6px;
      font-size: 12px;
      line-height: 1.85;
      color: rgba(197,206,231,0.92);
    }

    /* CHECKLIST CONCLUSION */
    .check-wrap{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      align-items: start;
    }
    .check-card{
      --check-accent: var(--lime);
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(2,6,23,0.72);
      padding: 14px 14px 12px;
      display:grid;
      gap: 10px;
      position: relative;
      overflow: hidden;
      min-width: 0;
    }
    .check-card::before{
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 3px;
      background: var(--check-accent);
    }
    .check-card--ux{
      --check-accent: var(--lime);
    }
    .check-card--tech{
      --check-accent: var(--blue);
    }
    .check-head{
      display:flex;
      align-items: baseline;
      justify-content: flex-start;
      gap: 10px;
      padding-left: 8px;
    }
    .check-title{
      margin: 0;
      font-size: 11px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--ink);
      line-height: 1.3;
    }
    .check-list{
      list-style: none;
      margin: 0;
      padding: 0 0 0 8px;
      display: grid;
      gap: 7px;
    }
    .check-list li{
      position: relative;
      margin: 0;
      padding-left: 16px;
      font-size: 12px;
      line-height: 1.8;
      color: rgba(197,206,231,0.92);
    }
    .check-list li::before{
      content: "";
      position: absolute;
      left: 0;
      top: 0.72em;
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--check-accent);
      transform: translateY(-50%);
    }
    /* EXAMPLES */
    .examples-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: var(--space-md);
      align-items: start;
    }
    .example{
      border-radius: var(--panel-radius-lg);
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(3,7,22,0.92);
      overflow:hidden;
      min-width:0;
    }
    .example-top{
      padding: 16px 16px 14px;
      display:flex;
      align-items:flex-start;
      justify-content: space-between;
      gap: 12px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
      background: rgba(1,4,14,0.30);
      flex-wrap:wrap;
    }
    .example-title{
      margin:0;
      font-size: 12px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--ink);
      line-height: 1.35;
    }
    .example-body{
      padding: 16px 16px 16px;
      display:grid;
      gap: 12px;
    }
    .example-frame{
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(2,6,23,0.78);
      overflow:hidden;
      padding: 14px;
      display:grid;
      gap: 10px;
    }
    .example-frame-note{
      font-size: 11px;
      line-height: 1.8;
      color: rgba(197,206,231,0.86);
    }
    .svg-slot{
      width:100%;
      aspect-ratio: 16 / 9;
      border-radius: 14px;
      border: 1px dashed rgba(255,255,255,0.18);
      background: rgba(1,3,15,0.55);
      display:grid;
      place-items:center;
      overflow:hidden;
    }
    .svg-slot span{
      font-size: 10px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(197,206,231,0.62);
      text-align:center;
      padding: 0 12px;
    }

    .svg-slot img{
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      border-radius: inherit;
    }

    .svg-slot video{
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      border-radius: inherit;
    }

    /* FINAL CTA */
    .end-cta{
      border-radius: var(--panel-radius-lg);
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(3,7,22,0.92);
      padding: 18px 18px 16px;
      display:flex;
      align-items:flex-start;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
    }
    .end-left{
      display:grid;
      gap: 8px;
      max-width: 62rem;
    }
    .end-title{
      margin:0;
      font-size: 12px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--ink);
      line-height: 1.25;
    }
    .end-text{
      margin:0;
      font-size: 13px;
      line-height: 1.9;
      color: rgba(197,206,231,0.92);
    }

    /* RESPONSIVE */
    @media (max-width: 980px){
      .guide-hero{ grid-template-columns: minmax(0,1fr); }
      .toc-card{ max-width: 560px; margin-inline:auto; }
      .rail-grid{ grid-template-columns: minmax(0,1fr); }
      .pattern-grid{ grid-template-columns: minmax(0,1fr); }
      .examples-grid{ grid-template-columns: minmax(0,1fr); }
      .check-wrap{ grid-template-columns: minmax(0,1fr); }
    }
    @media (max-width: 720px){
      .page-inner{
        padding-left: 16px;
        padding-right: 16px;
        gap: var(--space-xl);
      }
    }