:root{
    --paper:#F3F2ED;
    --paper-dot:#DAD6C7;
    --card:#FFFFFF;
    --ink:#161B33;
    --ink-soft:#4A5170;
    --graphite:#2B2B2E;
    --line:#DEDACB;
    --highlighter:#FFC845;
    --highlighter-ink:#5C4200;
    --correct:#2E9E5B;
    --correct-soft:#E4F5EB;
    --pro-bg:#161B33;
    --radius:18px;
    --shadow: 0 10px 30px -12px rgba(22,27,51,0.18);
    --maxw:1180px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
  }
  body{
    margin:0;
    background:
      radial-gradient(var(--paper-dot) 1px, transparent 1.4px) 0 0/22px 22px,
      var(--paper);
    color:var(--graphite);
    font-family:'Inter', sans-serif;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.display{
    font-family:'Space Grotesk', sans-serif;
    color:var(--ink);
    margin:0;
    letter-spacing:-0.01em;
  }
  .mono{font-family:'JetBrains Mono', monospace;}
  a{color:inherit; text-decoration:none;}
  img,svg{display:block; max-width:100%;}
  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
  :focus-visible{outline:3px solid var(--highlighter); outline-offset:3px; border-radius:4px;}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    padding:14px 26px; border-radius:999px; font-weight:700; font-size:15.5px;
    cursor:pointer; border:2px solid transparent; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
    white-space:nowrap;
  }
  .btn:hover{transform:translateY(-2px);}
  .btn-primary{background:var(--highlighter); color:var(--highlighter-ink); box-shadow:0 8px 0 0 #C9971E;}
  .btn-primary:hover{box-shadow:0 10px 0 0 #C9971E;}
  .btn-primary:active{transform:translateY(2px); box-shadow:0 4px 0 0 #C9971E;}
  .btn-ghost{background:transparent; color:var(--ink); border-color:var(--ink);}
  .btn-ghost:hover{background:var(--ink); color:#fff;}
  .btn-dark{background:var(--ink); color:#fff; box-shadow:0 8px 0 0 #060A1C;}
  .btn-dark:hover{box-shadow:0 10px 0 0 #060A1C;}
  .btn-sm{padding:10px 18px; font-size:14px;}
  .btn-block{width:100%;}

  /* ---------- Nav ---------- */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(243,242,237,0.86);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav{display:flex; align-items:center; justify-content:space-between; padding:16px 28px; max-width:var(--maxw); margin:0 auto;}
  .logo{display:flex; align-items:center; gap:1px; font-family:'Space Grotesk'; font-weight:700; font-size:24px; color:var(--ink);}
  .logo .plus{
    font-family:'Space Grotesk'; font-weight:700; font-size:30px; color:var(--ink);
    display:inline-block; transform:rotate(-9deg); margin-left:3px; line-height:0; position:relative; top:3px;
    text-shadow: 3px 3px 0 var(--highlighter);
  }
  .nav-links{display:flex; gap:32px; align-items:center; font-weight:600; font-size:15px; color:var(--ink-soft);}
  .nav-links a:hover{color:var(--ink);}
  .nav-cta{display:flex; gap:12px; align-items:center;}
  .burger{display:none; background:none; border:none; cursor:pointer; padding:6px;}
  .burger span{display:block; width:26px; height:3px; background:var(--ink); margin:5px 0; border-radius:2px;}

  /* ---------- Hero ---------- */
  .hero{padding:76px 0 40px;}
  .hero-grid{display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;}
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px; font-family:'JetBrains Mono'; font-size:13px;
    font-weight:600; color:var(--ink-soft); background:var(--card); border:1px solid var(--line);
    padding:7px 14px; border-radius:999px; margin-bottom:22px;
  }
  .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--correct);}
  .hero h1{font-size:52px; line-height:1.08; font-weight:700;}
  .hero h1 .hl{background:linear-gradient(180deg, transparent 62%, var(--highlighter) 62%);}
  .hero p.lead{font-size:18.5px; color:var(--ink-soft); margin:24px 0 32px; max-width:520px;}
  .hero-ctas{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:28px;}
  .soon-row{display:flex; gap:12px; align-items:center; flex-wrap:wrap;}
  .soon-label{font-size:13px; color:var(--ink-soft); font-weight:600;}
  .store-btn{
    display:flex; align-items:center; gap:8px; padding:9px 16px; border-radius:12px;
    background:var(--card); border:1px solid var(--line); color:#9A9587; position:relative; opacity:0.75;
    cursor:default; font-size:13px; font-weight:600;
  }
  .store-btn .store-icon{width:18px;height:18px;}
  .store-badge{
    position:absolute; top:-9px; right:-8px; background:var(--ink); color:#fff; font-size:9.5px;
    font-weight:700; padding:2px 7px; border-radius:999px; font-family:'JetBrains Mono';
  }

  /* Hero visual: optik form card */
  .hero-visual{position:relative;}
  .sheet-card{
    background:var(--card); border-radius:var(--radius); box-shadow:var(--shadow);
    padding:26px 26px 30px; border:1px solid var(--line); position:relative; z-index:2;
  }
  .sheet-head{display:flex; justify-content:space-between; align-items:center; margin-bottom:18px; padding-bottom:14px; border-bottom:1px dashed var(--line);}
  .sheet-head .name{font-weight:700; font-size:14px; color:var(--ink);}
  .sheet-head .id{font-family:'JetBrains Mono'; font-size:11px; color:var(--ink-soft);}
  .sheet-row{display:flex; align-items:center; gap:14px; padding:9px 0;}
  .sheet-row .qnum{font-family:'JetBrains Mono'; font-size:12px; color:var(--ink-soft); width:22px;}
  .bubbles{display:flex; gap:9px;}
  .bub{
    width:20px;height:20px;border-radius:50%; border:2px solid #D7D2C0; position:relative; flex-shrink:0;
  }
  .bub.correct{
    border-color:var(--correct); background:var(--correct);
    animation:fillBubble .5s ease forwards; animation-delay:calc(var(--d) * 1s); opacity:0; transform:scale(.6);
  }
  @keyframes fillBubble{ to{opacity:1; transform:scale(1);} }
  .score-float{
    position:absolute; right:-18px; top:-22px; background:var(--ink); color:#fff; border-radius:16px;
    padding:14px 18px; box-shadow:var(--shadow); z-index:3; text-align:center;
    animation:floatUp 4s ease-in-out infinite;
  }
  @keyframes floatUp{ 0%,100%{transform:translateY(0);} 50%{transform:translateY(-8px);} }
  .score-float .num{font-family:'JetBrains Mono'; font-size:26px; font-weight:700; color:var(--highlighter);}
  .score-float .lab{font-size:10.5px; color:#B9BEDA; margin-top:2px;}
  .league-float{
    position:absolute; left:-22px; bottom:-20px; background:var(--card); border:1px solid var(--line);
    border-radius:14px; padding:11px 16px; box-shadow:var(--shadow); z-index:3; display:flex; gap:10px; align-items:center;
  }
  .league-float .flame{font-size:18px;}
  .league-float .lt{font-size:11.5px; font-weight:700; color:var(--ink);}
  .league-float .ls{font-size:10.5px; color:var(--ink-soft);}

  /* ---------- Stats strip ---------- */
  .stats{padding:50px 0 20px;}
  .stats-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:0; border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
  .stat{padding:26px 20px; text-align:center; border-right:1px solid var(--line);}
  .stat:last-child{border-right:none;}
  .stat .num{font-family:'JetBrains Mono'; font-size:32px; font-weight:700; color:var(--ink);}
  .stat .lab{font-size:13.5px; color:var(--ink-soft); margin-top:4px; font-weight:500;}

  /* ---------- Section shared ---------- */
  section{padding:96px 0;}
  .section-head{max-width:640px; margin:0 auto 56px; text-align:center;}
  .section-head .eyebrow{margin-bottom:16px;}
  .section-head h2{font-size:38px; font-weight:700;}
  .section-head p{color:var(--ink-soft); font-size:16.5px; margin-top:14px;}

  /* ---------- Features ---------- */
  .feat-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
  .feat-card{
    background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:30px 26px;
    transition:transform .18s ease, box-shadow .18s ease;
  }
  .feat-card:hover{transform:translateY(-4px); box-shadow:var(--shadow);}
  .feat-icon{
    width:46px; height:46px; border-radius:13px; background:var(--ink); display:flex; align-items:center; justify-content:center; margin-bottom:18px;
  }
  .feat-icon svg{width:24px; height:24px; stroke:var(--highlighter);}
  .feat-card h3{font-size:18px; margin-bottom:8px;}
  .feat-card p{color:var(--ink-soft); font-size:14.5px; margin:0;}

  /* ---------- How it works ---------- */
  .how-wrap{background:var(--ink); border-radius:28px; padding:64px 56px; position:relative; overflow:hidden;}
  .how-wrap .section-head h2, .how-wrap .section-head p{color:#fff;}
  .how-wrap .section-head p{color:#AEB4D4;}
  .how-wrap .eyebrow{background:rgba(255,255,255,0.08); border-color:rgba(255,255,255,0.14); color:#D6DAF0;}
  .steps{display:grid; grid-template-columns:repeat(4,1fr); gap:24px; position:relative; z-index:1;}
  .step{padding:0 8px;}
  .step .idx{font-family:'JetBrains Mono'; font-size:14px; color:var(--highlighter); font-weight:700; margin-bottom:14px;}
  .step h3{color:#fff; font-size:17.5px; margin-bottom:8px;}
  .step p{color:#AEB4D4; font-size:14px; margin:0;}
  .steps::before{
    content:""; position:absolute; top:9px; left:6%; right:6%; height:1px; background:rgba(255,255,255,0.14); z-index:-1;
  }

  /* ---------- Pricing ---------- */
  .price-grid{display:grid; grid-template-columns:1fr 1fr; gap:26px; align-items:stretch;}
  .price-card{
    background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:38px 34px; display:flex; flex-direction:column;
  }
  .price-card.pro{background:var(--pro-bg); border-color:var(--pro-bg); color:#fff; position:relative; box-shadow:0 20px 40px -16px rgba(22,27,51,0.4);}
  .price-tag{position:absolute; top:-14px; right:32px; background:var(--highlighter); color:var(--highlighter-ink); font-size:12px; font-weight:700; padding:6px 14px; border-radius:999px; font-family:'JetBrains Mono';}
  .price-card h3{font-size:20px; margin-bottom:6px;}
  .price-card.pro h3{color:#fff;}
  .price-card .sub{color:var(--ink-soft); font-size:14px; margin-bottom:22px;}
  .price-card.pro .sub{color:#AEB4D4;}
  .price-amount{display:flex; align-items:baseline; gap:6px; margin-bottom:6px;}
  .price-amount .num{font-family:'JetBrains Mono'; font-size:40px; font-weight:700;}
  .price-amount .per{color:var(--ink-soft); font-size:14px;}
  .price-card.pro .per{color:#AEB4D4;}
  .price-note{font-size:12.5px; color:var(--ink-soft); margin-bottom:26px;}
  .price-card.pro .price-note{color:#8890B5;}
  .price-list{list-style:none; padding:0; margin:0 0 30px; display:flex; flex-direction:column; gap:13px;}
  .price-list li{display:flex; gap:10px; align-items:flex-start; font-size:14.5px;}
  .price-list .ico{width:18px;height:18px;flex-shrink:0; margin-top:2px;}
  .price-card:not(.pro) .price-list .ico{color:var(--correct);}
  .price-card.pro .price-list .ico{color:var(--highlighter);}
  .price-card .btn{margin-top:auto;}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:12px;}
  .faq-item{background:var(--card); border:1px solid var(--line); border-radius:14px; overflow:hidden;}
  .faq-q{
    width:100%; text-align:left; background:none; border:none; padding:20px 24px; font-family:'Inter';
    font-weight:700; font-size:15.5px; color:var(--ink); display:flex; justify-content:space-between; align-items:center;
    cursor:pointer; gap:16px;
  }
  .faq-q .plus{font-family:'JetBrains Mono'; font-size:18px; color:var(--ink-soft); transition:transform .2s ease; flex-shrink:0;}
  .faq-item.open .faq-q .plus{transform:rotate(45deg); color:var(--highlighter-ink);}
  .faq-a{max-height:0; overflow:hidden; transition:max-height .25s ease;}
  .faq-a p{padding:0 24px 20px; color:var(--ink-soft); font-size:14.5px; margin:0;}

  /* ---------- Final CTA ---------- */
  .final-cta{
    background:var(--highlighter); border-radius:28px; padding:64px 56px; text-align:center; position:relative; overflow:hidden;
  }
  .final-cta h2{font-size:36px; color:var(--highlighter-ink);}
  .final-cta p{color:#6B5416; font-size:16px; margin:14px 0 30px;}
  .final-cta .btn-dark{box-shadow:0 8px 0 0 #060A1C;}

  /* ---------- Footer ---------- */
  footer{padding:64px 0 30px; border-top:1px solid var(--line); margin-top:20px;}
  .foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; margin-bottom:48px;}
  .foot-col h4{font-size:13px; text-transform:uppercase; letter-spacing:0.04em; color:var(--ink); margin-bottom:16px;}
  .foot-col a, .foot-col p{display:block; color:var(--ink-soft); font-size:14px; margin-bottom:10px;}
  .foot-col a:hover{color:var(--ink);}
  .foot-store{display:flex; gap:10px; margin-top:6px; flex-wrap:wrap;}
  .foot-bottom{display:flex; justify-content:space-between; align-items:center; padding-top:26px; border-top:1px solid var(--line); font-size:13px; color:var(--ink-soft); flex-wrap:wrap; gap:12px;}
  .foot-social{display:flex; gap:14px;}
  .foot-social a{width:34px; height:34px; border-radius:50%; background:var(--card); border:1px solid var(--line); display:flex; align-items:center; justify-content:center;}

  /* ---------- Responsive ---------- */
  @media (max-width:980px){
    .hero-grid{grid-template-columns:1fr;}
    .hero-visual{order:-1; max-width:420px; margin:0 auto 20px;}
    .hero h1{font-size:38px;}
    .stats-grid{grid-template-columns:repeat(2,1fr);}
    .stat{border-bottom:1px solid var(--line);}
    .feat-grid{grid-template-columns:1fr 1fr;}
    .steps{grid-template-columns:1fr 1fr; row-gap:34px;}
    .steps::before{display:none;}
    .price-grid{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:1fr 1fr; row-gap:32px;}
    .how-wrap, .final-cta{padding:48px 28px;}
  }
  @media (max-width:680px){
    .nav-links, .nav-cta .btn-ghost{display:none;}
    .burger{display:block;}
    .hero{padding:44px 0 20px;}
    .hero h1{font-size:30px;}
    .feat-grid{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    section{padding:64px 0;}
    .section-head h2{font-size:28px;}
    .foot-grid{grid-template-columns:1fr;}
    .foot-bottom{flex-direction:column; align-items:flex-start;}
    .score-float{right:4px; top:-16px;}
    .league-float{left:4px;}
  }
  .mobile-menu{
    display:none; flex-direction:column; gap:4px; background:var(--paper); border-bottom:1px solid var(--line); padding:10px 28px 20px;
  }
  .mobile-menu.open{display:flex;}
  .mobile-menu a{padding:12px 4px; font-weight:600; color:var(--ink); border-bottom:1px solid var(--line);}
  .mobile-menu .btn{margin-top:10px;}

/* ============ CONTENT PAGES (blog/tool) ============ */
.breadcrumb{font-size:13px; color:var(--ink-soft); margin-bottom:18px; font-family:'JetBrains Mono';}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--ink);}

.article-hero{padding:52px 0 8px;}
.article-hero .eyebrow{margin-bottom:18px;}
.article-hero h1{font-size:40px; line-height:1.12; font-weight:700; max-width:820px;}
.article-hero .sub{color:var(--ink-soft); font-size:17px; margin-top:16px; max-width:680px;}
.article-meta{display:flex; gap:18px; align-items:center; margin-top:24px; font-size:13px; color:var(--ink-soft); font-family:'JetBrains Mono';}
.article-meta .sep{width:4px;height:4px;border-radius:50%;background:var(--ink-soft);}

.prose{max-width:760px;}
.prose h2{font-size:26px; margin:44px 0 16px; font-weight:700;}
.prose h3{font-size:19px; margin:28px 0 10px; font-weight:700; color:var(--ink);}
.prose p{font-size:16px; color:var(--graphite); margin:0 0 16px; line-height:1.7;}
.prose ul, .prose ol{margin:0 0 18px; padding-left:22px;}
.prose li{font-size:15.5px; color:var(--graphite); margin-bottom:8px; line-height:1.6;}
.prose strong{color:var(--ink);}
.prose a{color:var(--ink); text-decoration:underline; text-decoration-color:var(--highlighter); text-decoration-thickness:2px; text-underline-offset:3px;}

.callout{
  background:var(--card); border:1px solid var(--line); border-left:4px solid var(--highlighter);
  border-radius:10px; padding:18px 22px; margin:26px 0; font-size:15px; color:var(--ink-soft);
}
.callout strong{color:var(--ink);}

.data-table{width:100%; border-collapse:collapse; margin:18px 0 30px; font-size:14.5px; background:var(--card); border-radius:14px; overflow:hidden; border:1px solid var(--line);}
.data-table th{background:var(--ink); color:#fff; text-align:left; padding:12px 16px; font-weight:600; font-family:'JetBrains Mono'; font-size:12.5px; text-transform:uppercase; letter-spacing:0.03em;}
.data-table td{padding:12px 16px; border-top:1px solid var(--line); color:var(--graphite);}
.data-table tr:nth-child(even) td{background:#FAF9F5;}
.data-table td.mono, .data-table th.mono{font-family:'JetBrains Mono';}

.word-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:0; border:1px solid var(--line); border-radius:14px; overflow:hidden; margin:20px 0 30px; background:var(--card);}
.word-row{display:flex; justify-content:space-between; gap:12px; padding:13px 20px; border-bottom:1px solid var(--line); font-size:14.5px;}
.word-row:nth-child(odd){border-right:1px solid var(--line);}
.word-row .en{font-weight:700; color:var(--ink);}
.word-row .tr{color:var(--ink-soft);}
@media (max-width:680px){ .word-grid{grid-template-columns:1fr;} .word-row:nth-child(odd){border-right:none;} }

/* Tool / calculator */
.tool-wrap{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:36px; box-shadow:var(--shadow); max-width:640px;}
.tool-row{margin-bottom:20px;}
.tool-row label{display:block; font-size:13.5px; font-weight:700; color:var(--ink); margin-bottom:8px;}
.tool-row input[type=number], .tool-row select{
  width:100%; padding:13px 14px; border-radius:10px; border:1.5px solid var(--line); font-size:16px;
  font-family:'JetBrains Mono'; background:#FAF9F5; color:var(--ink);
}
.tool-row input:focus, .tool-row select:focus{border-color:var(--highlighter); outline:none;}
.tool-hint{font-size:12.5px; color:var(--ink-soft); margin-top:6px;}
.tool-result{
  margin-top:26px; padding:24px; border-radius:14px; background:var(--ink); color:#fff; text-align:center;
}
.tool-result .score-num{font-family:'JetBrains Mono'; font-size:44px; font-weight:700; color:var(--highlighter);}
.tool-result .score-lab{font-size:13px; color:#AEB4D4; margin-top:4px;}
.tool-result .score-verdict{font-size:14.5px; margin-top:14px; color:#D6DAF0;}
.tool-cta{margin-top:22px; text-align:center;}

.related-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:20px;}
.related-card{background:var(--card); border:1px solid var(--line); border-radius:14px; padding:20px; transition:transform .15s ease;}
.related-card:hover{transform:translateY(-3px); box-shadow:var(--shadow);}
.related-card .tag{font-family:'JetBrains Mono'; font-size:11px; color:var(--ink-soft); text-transform:uppercase;}
.related-card h4{font-size:15px; margin:8px 0 0; color:var(--ink);}
@media (max-width:780px){ .related-grid{grid-template-columns:1fr;} .article-hero h1{font-size:30px;} }