:root{
    --navy:#001452;
    --navy-2:#0A2170;
    --navy-tint:#EEF1FA;
    --red:#ED1B2F;
    --red-dark:#C4101F;
    --red-light:#FF5B62;
    --white:#FFFFFF;
    --paper:#F7F8FC;
    --gray:#555D76;
    --line:#DDE1EC;
    --display:'Baloo 2', sans-serif;
    --sans:'Be Vietnam Pro', sans-serif;
    --mono:'JetBrains Mono', monospace;
    --radius:8px;
    --shadow-sm:0 8px 20px rgba(0,20,82,0.06);
    --shadow-md:0 18px 44px rgba(0,20,82,0.10);
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{background:var(--white); color:var(--navy); font-family:var(--sans); line-height:1.6; overflow-x:hidden;}
  a{color:inherit; text-decoration:none;}
  a:focus-visible, button:focus-visible, summary:focus-visible{outline:3px solid rgba(237,27,47,0.32); outline-offset:3px;}
  img,svg{display:block; max-width:100%;}
  .wrap{max-width:1120px; margin:0 auto; padding:0 28px;}
  @media (max-width:640px){.wrap{padding:0 20px;}}

  header{position:sticky; top:0; z-index:50; background:rgba(255,255,255,0.96); backdrop-filter:blur(14px); border-bottom:1px solid var(--line); box-shadow:0 2px 18px rgba(0,20,82,0.04);}
  .nav{display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:24px; min-height:72px; padding:12px 0;}
  .brand{display:flex; align-items:center; gap:12px; min-width:190px;}
  .logo-mark{height:30px; width:auto;}
  .brand-copy{display:flex; flex-direction:column; gap:1px; line-height:1.2;}
  .brand-name{font-family:var(--display); font-weight:800; color:var(--navy); font-size:1.04rem;}
  .brand-note{font-family:var(--mono); font-size:0.68rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--gray);}
  nav.links{justify-self:center; display:flex; gap:6px; font-size:0.9rem; font-weight:600; color:var(--navy);}
  nav.links a{padding:8px 10px; border-radius:999px; transition:color .2s ease, background .2s ease; white-space:nowrap;}
  nav.links a:hover{color:var(--red-dark); background:rgba(237,27,47,0.06);}
  .header-actions{display:flex; align-items:center; gap:10px; justify-self:end;}
  .nav-toggle{display:none; flex-direction:column; justify-content:center; gap:5px; width:44px; height:42px; padding:0 11px; background:var(--white); border:1.5px solid var(--line); border-radius:10px; cursor:pointer; transition:border-color .2s ease;}
  .nav-toggle:hover{border-color:var(--navy);}
  .nav-toggle span{display:block; height:2px; width:100%; background:var(--navy); border-radius:2px; transition:transform .25s ease, opacity .2s ease;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .nav-menu{display:flex; flex-direction:column; overflow:hidden; max-height:0; opacity:0; background:var(--white); transition:max-height .3s ease, opacity .25s ease;}
  .nav-menu.open{max-height:480px; opacity:1; border-top:1px solid var(--line);}
  .nav-menu a{padding:13px 24px; font-weight:500; font-size:0.95rem; color:var(--navy); border-bottom:1px solid rgba(221,225,236,0.55);}
  .nav-menu a:last-child{border-bottom:none;}
  .nav-menu a:hover, .nav-menu a:focus-visible{background:rgba(237,27,47,0.06); color:var(--red-dark);}
  .nav-menu a.nav-menu-cta{margin:14px 20px 6px; padding:14px 18px; justify-content:flex-start; text-align:left; background:var(--red-dark); color:var(--white); border-radius:3px; font-weight:700; border-bottom:none; box-shadow:0 6px 16px rgba(196,16,31,0.32);}
  .nav-menu a.nav-menu-cta:hover, .nav-menu a.nav-menu-cta:focus-visible{background:#9E0C18; color:var(--white);}
  .cta-btn{display:inline-flex; align-items:center; justify-content:center; background:var(--red-dark); color:var(--white); padding:12px 26px; border-radius:50px; font-weight:700; font-size:0.9rem; font-family:var(--sans); border:none; cursor:pointer; transition:transform .15s ease, background .2s ease, box-shadow .2s ease; box-shadow:0 6px 16px rgba(196,16,31,0.32);}
  .cta-btn:hover{background:#9E0C18; transform:translateY(-2px); box-shadow:0 10px 24px rgba(196,16,31,0.42);}
  .cta-btn:active{transform:translateY(0); box-shadow:0 4px 12px rgba(196,16,31,0.3);}
  .cta-btn:focus-visible{outline:3px solid rgba(196,16,31,0.4); outline-offset:2px;}
  .cta-ghost{background:transparent; color:var(--navy); border:1.5px solid var(--line); padding:11px 22px; border-radius:999px; font-weight:600; font-size:0.9rem; font-family:var(--sans); cursor:pointer; transition:border-color .2s ease, color .2s ease, background .2s ease;}
  .cta-ghost:hover{border-color:var(--navy); background:var(--white);}
  @media (max-width:980px){.brand-copy{display:none;} .brand{min-width:auto;} .nav{gap:16px;} nav.links{font-size:0.84rem;}}
  @media (max-width:820px){.nav{grid-template-columns:1fr auto; min-height:64px;} nav.links{display:none;} .nav-toggle{display:flex;} .header-actions .cta-btn{padding:10px 16px;}}
  @media (max-width:520px){.nav{gap:12px;} header .cta-btn{padding:10px 12px; font-size:0.8rem;} .logo-mark{height:30px;}}

  .hero{position:relative; padding:74px 0 66px; text-align:center; background:radial-gradient(ellipse at 18% 0%, rgba(237,27,47,0.07), transparent 55%), radial-gradient(ellipse at 85% 10%, rgba(0,20,82,0.06), transparent 50%); overflow:hidden;}
  .eyebrow{display:inline-flex; align-items:center; gap:8px; font-family:var(--mono); font-size:0.76rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--red-dark); border:1px solid rgba(237,27,47,0.3); background:rgba(237,27,47,0.05); padding:6px 14px; border-radius:999px; margin-bottom:22px;}
  h1{font-family:var(--display); font-weight:700; font-size:clamp(2.3rem,5.6vw,4rem); line-height:1.08; max-width:780px; margin:0 auto 18px; color:var(--navy);}
  h1 em{font-style:normal; color:var(--red-dark);}
  .hero-sub{max-width:650px; margin:0 auto 16px; color:var(--gray); font-size:1.05rem;}
  .tagline{font-family:var(--display); font-weight:600; font-size:1.1rem; color:var(--navy-2); margin-bottom:30px;}
  .hero-ctas{display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-bottom:52px;}
  .board-stage{position:relative; display:flex; justify-content:center; align-items:center; margin-bottom:16px;}
  .starburst{position:absolute; width:340px; height:340px; background:conic-gradient(from 0deg, rgba(237,27,47,0.10), transparent 20%, rgba(0,20,82,0.06), transparent 45%, rgba(237,27,47,0.10), transparent 70%, rgba(0,20,82,0.06), transparent 95%); border-radius:50%; animation:spin 30s linear infinite; z-index:0;}
  @keyframes spin{to{transform:rotate(360deg);}}
  .draw-board{position:relative; z-index:1; display:flex; justify-content:center; gap:14px; flex-wrap:wrap; max-width:520px;}
  .ball{width:64px; height:64px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-weight:700; font-size:1.25rem; color:#fff; box-shadow:0 10px 22px rgba(0,20,82,0.18); opacity:0; transform:translateY(-40px) scale(0.6); animation:drop .6s cubic-bezier(.2,1.4,.4,1) forwards;}
  .ball.navy{background:radial-gradient(circle at 32% 28%, var(--navy-2), var(--navy) 70%);}
  .ball.red{background:radial-gradient(circle at 32% 28%, #FF5B62, var(--red) 60%, var(--red-dark) 100%); box-shadow:0 10px 26px rgba(237,27,47,0.35);}
  .ball:nth-child(1){animation-delay:.1s;} .ball:nth-child(2){animation-delay:.25s;} .ball:nth-child(3){animation-delay:.4s;} .ball:nth-child(4){animation-delay:.55s;} .ball:nth-child(5){animation-delay:.7s;} .ball:nth-child(6){animation-delay:.9s;}
  @keyframes drop{to{opacity:1; transform:translateY(0) scale(1);}}
  .board-caption{font-family:var(--mono); font-size:0.76rem; color:var(--gray); letter-spacing:0.05em; position:relative; z-index:1;}

  section{position:relative; padding:72px 0;}
  section.alt{background:var(--paper);}
  .section-head{max-width:680px; margin-bottom:36px;}
  .section-eyebrow{font-family:var(--mono); font-size:0.76rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--red-dark); margin-bottom:12px; display:block;}
  h2{font-family:var(--display); font-weight:700; font-size:clamp(1.7rem,3.4vw,2.4rem); margin-bottom:12px; color:var(--navy);}
  .section-sub{color:var(--gray); font-size:1rem; max-width:640px;}

  .games-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:16px;}
  .game-card{background:var(--white); border:1.5px solid var(--line); border-radius:var(--radius); padding:24px; min-height:238px; transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;}
  .game-card:hover{transform:translateY(-3px); border-color:var(--red-dark); box-shadow:var(--shadow-md);}
  .game-tag{font-family:var(--mono); font-size:0.7rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--red-dark); margin-bottom:12px; display:inline-block; background:rgba(237,27,47,0.07); padding:4px 10px; border-radius:999px;}
  .game-card h3{font-family:var(--display); font-size:1.3rem; font-weight:700; margin-bottom:8px; color:var(--navy);}
  .game-card p{color:var(--gray); font-size:0.9rem; margin-bottom:16px;}
  .game-meta{display:grid; grid-template-columns:1fr 1fr; gap:14px; font-family:var(--mono); font-size:0.74rem; color:var(--gray); border-top:1px solid var(--line); padding-top:14px;}
  .game-meta strong{color:var(--navy); display:block; font-size:0.92rem; margin-top:3px; font-family:var(--sans); font-weight:700;}

  .steps{display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:var(--white);}
  .step{padding:24px 22px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--white);}
  .step-num{font-family:var(--mono); color:var(--red-dark); font-size:0.85rem; margin-bottom:10px; display:block; font-weight:600;}
  .step .h4{display:block; font-family:var(--display); font-size:1.05rem; margin-bottom:6px; color:var(--navy);}
  .step p{color:var(--gray); font-size:0.86rem;}

  .split{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
  .panel{background:var(--white); border:1.5px solid var(--line); border-radius:var(--radius); padding:28px; box-shadow:var(--shadow-sm);}
  .panel h3{font-family:var(--display); font-size:1.2rem; margin-bottom:14px; color:var(--navy);}
  .panel ul{list-style:none;}
  .panel li{padding:11px 0; border-bottom:1px solid var(--line); color:var(--gray); font-size:0.9rem; display:flex; gap:10px;}
  .panel li:last-child{border-bottom:none;}
  .panel.navy-edge{border-color:rgba(0,20,82,0.18);}
  .panel.navy-edge li::before{content:"-"; color:var(--navy); flex-shrink:0;}
  .panel.red-edge{border-color:rgba(237,27,47,0.25);}
  .panel.red-edge li::before{content:"-"; color:var(--red-dark); flex-shrink:0;}

  .faq-list{border-top:1px solid var(--line);}
  details{border-bottom:1px solid var(--line);}
  summary{cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center; padding:20px 4px; font-family:var(--display); font-size:1.04rem; font-weight:600; color:var(--navy); transition:color .2s ease;}
  summary:hover{color:var(--red-dark);}
  summary::-webkit-details-marker{display:none;}
  summary::after{content:"+"; font-family:var(--mono); font-size:1.3rem; color:var(--red-dark); flex-shrink:0; margin-left:16px; transition:transform .2s ease;}
  details[open] summary::after{transform:rotate(45deg);}
  details p{padding:0 4px 20px; color:var(--gray); font-size:0.9rem; max-width:640px;}

  .final-cta{text-align:center; background:linear-gradient(135deg,var(--navy),var(--navy-2)); border-radius:var(--radius); padding:56px 32px; position:relative; overflow:hidden; box-shadow:var(--shadow-md);}
  .final-cta::before{content:""; position:absolute; right:-60px; top:-60px; width:260px; height:260px; background:radial-gradient(circle, rgba(237,27,47,0.35), transparent 70%);}
  .final-cta h2,.final-cta p{color:var(--white); position:relative;}
  .final-cta p{color:rgba(255,255,255,0.75); max-width:460px; margin:0 auto 28px;}

  footer{border-top:1px solid var(--line); padding:48px 0 32px; background:var(--paper);}
  .footer-grid{display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; margin-bottom:32px;}
  .footer-brand{max-width:260px;}
  .footer-brand .logo-mark{height:30px; margin-bottom:12px;}
  .footer-brand p{color:var(--gray); font-size:0.85rem;}
  .footer-cols{display:flex; gap:56px; flex-wrap:wrap;}
  .footer-col .h5{display:block; font-family:var(--mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--red-dark); margin-bottom:14px;}
  .footer-col a{display:block; color:var(--gray); font-size:0.87rem; margin-bottom:10px; transition:color .2s ease;}
  .footer-col a:hover{color:var(--navy);}
  .disclaimer{font-size:0.8rem; color:var(--gray); border-top:1px solid var(--line); padding-top:24px; max-width:760px;}
  .disclaimer strong{color:var(--navy);}

  .prose{max-width:680px; color:var(--gray); font-size:1rem;}
  .prose p{margin-bottom:16px;}
  .prose p:last-child{margin-bottom:0;}
  .prose strong{color:var(--navy); font-weight:700;}
  .why-strip{display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; margin-top:44px;}
  .why-item{border:1.5px solid var(--line); border-radius:var(--radius); padding:22px; background:var(--white); box-shadow:var(--shadow-sm);}
  .why-item .k{font-family:var(--mono); font-size:0.7rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--red-dark); display:block; margin-bottom:10px;}
  .why-item .h4{display:block; font-family:var(--display); font-size:1.05rem; color:var(--navy); margin-bottom:6px;}
  .why-item p{color:var(--gray); font-size:0.86rem;}

  .table-wrap{overflow-x:auto; margin-top:40px; border:1.5px solid var(--line); border-radius:var(--radius); background:var(--white); box-shadow:var(--shadow-sm);}
  table.compare{border-collapse:collapse; width:100%; min-width:640px; font-size:0.9rem;}
  table.compare th, table.compare td{padding:16px 18px; text-align:left; border-bottom:1px solid var(--line);}
  table.compare thead th{font-family:var(--mono); font-size:0.72rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--red-dark); background:var(--navy-tint); border-bottom:1.5px solid var(--line);}
  table.compare tbody tr:hover td{background:#FBFCFF;}
  table.compare tbody tr:last-child td{border-bottom:none;}
  table.compare td:first-child{font-family:var(--display); font-weight:600; color:var(--navy);}
  table.compare td{color:var(--gray);}

  .note{color:var(--gray); font-size:0.85rem; margin-top:14px;}
  .subhead{font-family:var(--display); font-size:1.2rem; color:var(--navy); margin:44px 0 20px;}
  .tiers{list-style:none;}
  .tiers li{display:flex; align-items:baseline; gap:14px; padding:11px 0; border-bottom:1px solid var(--line); color:var(--gray); font-size:0.9rem;}
  .tiers li:last-child{border-bottom:none;}
  .tiers li .t{font-family:var(--display); font-weight:600; color:var(--navy); min-width:96px; flex-shrink:0;}
  .trust-panel{border:1.5px solid var(--line); border-left:4px solid var(--red); border-radius:var(--radius); padding:32px; background:var(--white); max-width:820px; box-shadow:var(--shadow-sm);}
  .trust-panel h3{font-family:var(--display); font-size:1.2rem; color:var(--navy); margin-bottom:12px;}
  .guide-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:16px;}
  .guide-card{display:flex; justify-content:space-between; align-items:center; gap:12px; border:1.5px solid var(--line); border-radius:var(--radius); padding:22px 24px; background:var(--white); transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;}
  .guide-card:hover{border-color:var(--red-dark); transform:translateY(-2px); box-shadow:var(--shadow-sm);}
  .guide-card .h4{font-family:var(--display); font-size:1.02rem; color:var(--navy); font-weight:600;}
  .guide-card span:not(.h4){color:var(--red-dark); font-family:var(--mono); font-size:1.2rem; flex-shrink:0;}

  @media (max-width:780px){.split{grid-template-columns:1fr;}}
  @media (max-width:640px){section{padding:56px 0;} .section-head{margin-bottom:28px;} .games-grid,.why-strip,.guide-grid{grid-template-columns:1fr;} .game-card,.panel,.trust-panel{padding:22px;} .game-meta{grid-template-columns:1fr;} .steps{display:block;} .step{border-right:0;} .footer-cols{gap:28px;} .footer-col{min-width:132px;} .final-cta{padding:42px 22px;}}
  @media (max-width:560px){.hero{padding:54px 0 52px;} .hero-ctas .cta-btn,.hero-ctas .cta-ghost{width:100%; max-width:320px;} .ball{width:48px; height:48px; font-size:1rem;} .starburst{width:260px; height:260px;} .board-caption{max-width:320px; margin:0 auto; line-height:1.5;}}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;} *,*::before,*::after{animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important;}}

  /* ---- Live results (vietlott-data feed) ---- */
  .results{background:var(--white);}
  .results-grid{display:grid; grid-template-columns:1fr; gap:16px; margin-top:8px;}
  .result-card{border:1px solid var(--line); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow-sm); background:var(--white);}
  .result-top{display:flex; justify-content:space-between; align-items:baseline; gap:12px; margin-bottom:14px;}
  .result-name{font-family:var(--display); font-weight:800; font-size:1.1rem; color:var(--navy);}
  .result-when{font-family:var(--mono); font-size:0.7rem; color:var(--gray); text-align:right; line-height:1.45; white-space:nowrap;}
  .result-balls{display:flex; flex-wrap:wrap; gap:8px;}
  .rball{width:42px; height:42px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-weight:700; font-size:0.95rem; background:var(--navy); color:var(--white);}
  .rball.special{background:var(--red-dark);}
  .rball.mini{width:34px; height:34px; font-size:0.78rem;}
  .result-tiers{display:flex; flex-direction:column; gap:12px;}
  .result-tier-label{display:block; font-family:var(--mono); font-size:0.66rem; text-transform:uppercase; letter-spacing:0.05em; color:var(--gray); margin-bottom:6px;}
  .result-tier-nums{display:flex; flex-wrap:wrap; gap:6px;}
  .result-chip{font-family:var(--mono); font-weight:700; font-size:0.82rem; color:var(--navy); background:rgba(0,20,82,0.05); border:1px solid var(--line); border-radius:6px; padding:5px 9px;}
  .result-status{font-family:var(--mono); font-size:0.8rem; color:var(--gray);}
  .result-load{margin-top:12px; font-size:0.82rem; padding:9px 16px;}
  .result-note{margin-top:18px; font-family:var(--mono); font-size:0.68rem; color:var(--gray); line-height:1.6;}
  /* live-refresh status bar */
  .live-bar{display:flex; align-items:center; gap:8px; margin-top:10px; font-family:var(--mono); font-size:0.72rem; color:var(--gray);}
  .live-dot{width:9px; height:9px; border-radius:50%; background:#19A05A; box-shadow:0 0 0 0 rgba(25,160,90,0.55); animation:livePulse 2s infinite;}
  .live-bar.stale .live-dot{background:var(--gray); animation:none; box-shadow:none;}
  .live-bar.syncing .live-dot{background:var(--red-dark); box-shadow:0 0 0 0 rgba(196,16,31,0.55);}
  @keyframes livePulse{0%{box-shadow:0 0 0 0 rgba(25,160,90,0.5);}70%{box-shadow:0 0 0 7px rgba(25,160,90,0);}100%{box-shadow:0 0 0 0 rgba(25,160,90,0);}}
  @media (prefers-reduced-motion: reduce){ .live-dot{animation:none;} }
  .result-card.updated{animation:cardFlash 1.1s ease-out;}
  @keyframes cardFlash{0%{box-shadow:0 0 0 2px rgba(25,160,90,0.55), var(--shadow-sm);}100%{box-shadow:var(--shadow-sm);}}

/* ============ Content / legal pages ============ */
.page-hero{padding:52px 0 8px; background:radial-gradient(ellipse at 20% 0%, rgba(237,27,47,0.06), transparent 60%);}
.page-hero .eyebrow{margin-bottom:16px;}
.page-hero h1{font-size:clamp(1.9rem,4.6vw,2.7rem); text-align:left; margin:0 0 12px;}
.page-hero .lead{color:var(--gray); font-size:1.02rem; max-width:640px;}
.page-meta-line{font-family:var(--mono); font-size:0.72rem; letter-spacing:0.05em; text-transform:uppercase; color:var(--gray); margin-top:14px;}
.doc{padding:34px 0 64px;}
.doc-body{max-width:720px;}
.doc-body h2{font-size:clamp(1.3rem,2.6vw,1.6rem); margin:38px 0 12px;}
.doc-body h2:first-child{margin-top:0;}
.doc-body h3{font-family:var(--display); font-size:1.12rem; color:var(--navy); margin:24px 0 8px;}
.doc-body p{color:var(--gray); font-size:0.96rem; margin-bottom:15px;}
.doc-body ul,.doc-body ol{color:var(--gray); font-size:0.96rem; margin:0 0 16px 1.1rem; display:flex; flex-direction:column; gap:8px;}
.doc-body li{padding-left:4px;}
.doc-body strong{color:var(--navy); font-weight:700;}
.doc-body a{color:var(--red-dark); font-weight:600; text-decoration:none;}
.doc-body a:hover{color:#9E0C18;}
.callout{border:1.5px solid var(--line); border-left:4px solid var(--red); border-radius:var(--radius); padding:20px 22px; background:var(--white); box-shadow:var(--shadow-sm); margin:22px 0;}
.callout p{margin-bottom:0;}
.contact-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:14px; margin:8px 0 22px;}
.contact-card{border:1.5px solid var(--line); border-radius:var(--radius); padding:20px; background:var(--white); box-shadow:var(--shadow-sm);}
.contact-card .k{font-family:var(--mono); font-size:0.68rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--red-dark); display:block; margin-bottom:8px;}
.contact-card .v{font-family:var(--display); font-size:1.02rem; color:var(--navy); word-break:break-word;}
.doc-toc{border:1px solid var(--line); border-radius:var(--radius); padding:18px 22px; background:var(--paper); margin-bottom:30px;}
.doc-toc .k{font-family:var(--mono); font-size:0.7rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--red-dark); display:block; margin-bottom:10px;}
.doc-toc a{display:block; color:var(--gray); font-size:0.9rem; padding:4px 0; text-decoration:none;}
.doc-toc a:hover{color:var(--navy);}
.page-links{display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:12px; margin-top:8px;}


/* ============ Author card ============ */
section.author-section{background:var(--paper); color:var(--navy);}
.author-section .section-eyebrow{color:var(--red-dark);}
.author-card{position:relative; overflow:hidden; border:1px solid var(--line); border-radius:20px; padding:32px 30px; background:var(--white); box-shadow:var(--shadow-md);}
.author-card::before{content:""; position:absolute; top:-80px; right:-80px; width:240px; height:240px; background:radial-gradient(circle, rgba(237,27,47,0.10), transparent 70%); pointer-events:none;}
.author-card > *{position:relative; z-index:1;}
.author-head{display:flex; align-items:center; gap:20px; padding-bottom:22px; border-bottom:1px solid var(--line); margin-bottom:22px;}
.author-head > div{min-width:0;}
.author-title{max-width:100%; white-space:normal; overflow-wrap:anywhere;}
.author-avatar{width:92px; height:92px; border:3px solid var(--red); border-radius:50%; display:flex; align-items:center; justify-content:center; flex-shrink:0; background:var(--white); overflow:hidden; box-shadow:0 0 0 5px rgba(237,27,47,0.12), var(--shadow-sm); padding:0;}
.author-avatar img{width:100%; height:100%; object-fit:cover; object-position:center top;}
.author-head h2{color:var(--navy); font-size:1.9rem; line-height:1.05; margin:0 0 10px; letter-spacing:-0.01em;}
.author-title{display:inline-block; font-family:var(--mono); color:var(--red-dark); font-size:0.72rem; font-weight:700; letter-spacing:0.1em; text-transform:uppercase; line-height:1.4; background:rgba(237,27,47,0.07); border:1px solid rgba(237,27,47,0.22); padding:5px 11px; border-radius:999px;}
.author-bio{color:var(--gray); font-size:0.98rem; line-height:1.8; margin-bottom:26px;}
.author-social-label{display:block; font-family:var(--mono); color:var(--gray); text-transform:uppercase; letter-spacing:0.1em; font-size:0.7rem; font-weight:700; margin-bottom:14px;}
.author-socials{display:grid; grid-template-columns:1fr 1fr; gap:12px;}
.author-socials a{min-height:112px; border:1px solid var(--line); border-radius:14px; background:var(--white); color:var(--navy); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px; font-weight:700; font-size:13px; transition:border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;}
.author-socials a:hover, .author-socials a:focus-visible{border-color:var(--red); background:rgba(237,27,47,0.04); transform:translateY(-3px); box-shadow:var(--shadow-md);}
.author-socials svg{width:13px; height:13px; fill:var(--red-dark); flex-shrink:0; box-sizing:content-box; padding:9px; background:rgba(237,27,47,0.08); border-radius:50%; transition:fill .2s ease, transform .2s ease, background .2s ease;}
.author-socials a:hover svg{transform:scale(1.06); background:rgba(237,27,47,0.20);}
@media (max-width:420px){.author-card{padding:26px 22px;} .author-head{align-items:flex-start;} .author-avatar{width:72px; height:72px;} .author-head h2{font-size:1.62rem;} .author-socials a{min-height:96px;}}
/* ============ Responsive polish ============ */
html,body{width:100%;}
body{min-width:0;}
p,li,h1,h2,h3,.h4,.brand-name,.guide-card,.result-name,.result-status,.author-bio{overflow-wrap:anywhere;}
button,a{touch-action:manipulation;}
.table-wrap{-webkit-overflow-scrolling:touch;}
.table-wrap::after{content:""; display:block; width:1px; height:1px;}

@media (max-width:820px){
  header{position:sticky;}
  .nav{padding-block:10px;}
  .brand{min-width:0;}
  .header-actions{gap:8px;}
  .nav-menu a{padding-inline:20px;}
}

@media (max-width:640px){
  body{box-shadow:none;}
  .wrap{padding-inline:18px;}
  h1{font-size:clamp(2rem,12vw,2.65rem); line-height:1.05;}
  h2{font-size:clamp(1.55rem,9vw,2rem); line-height:1.12;}
  .hero-sub,.section-sub,.page-hero .lead,.prose,.doc-body p,.doc-body ul,.doc-body ol{font-size:0.95rem;}
  .eyebrow,.section-eyebrow,.page-meta-line{letter-spacing:0.06em;}
  .result-top{align-items:flex-start; flex-direction:column; gap:6px;}
  .result-when{text-align:left; white-space:normal;}
  .footer-grid{display:block;}
  .footer-brand{max-width:none; margin-bottom:28px;}
  .footer-cols{display:grid; grid-template-columns:1fr 1fr; gap:22px 18px;}
  .footer-col{min-width:0;}
  .doc{padding:30px 0 54px;}
  .page-links,.contact-grid{grid-template-columns:1fr;}
}

@media (max-width:460px){
  .wrap{padding-inline:16px;}
  header .cta-btn{display:none;}
  .nav{grid-template-columns:1fr auto;}
  .logo-mark{max-width:150px; height:auto; max-height:30px;}
  .hero-ctas{margin-bottom:42px;}
  .draw-board{gap:8px;}
  .ball{width:44px; height:44px; font-size:0.92rem;}
  .result-card,.game-card,.panel,.trust-panel,.why-item,.contact-card,.callout{padding:18px;}
  .guide-card{padding:18px; align-items:flex-start;}
  .final-cta{padding:36px 18px;}
  .author-card{padding:22px 18px; border-radius:14px;}
  .author-head{gap:14px;}
  .author-head h2{font-size:1.55rem;}
  .author-title{font-size:0.74rem; letter-spacing:0.06em;}
  .author-bio{font-size:0.94rem; line-height:1.7;}
  .author-socials{gap:12px;}
  .author-socials a{min-height:92px;}
}

@media (max-width:360px){
  .wrap{padding-inline:14px;}
  h1{font-size:1.86rem;}
  .footer-cols{grid-template-columns:1fr;}
  .author-head{display:block;}
  .author-avatar{margin-bottom:14px;}
  .tiers li{display:block;}
  .tiers li .t{display:block; margin-bottom:4px; min-width:0;}
}
/* ============ Mobile preview on desktop ============ */
@media (min-width:461px){
  html{background:var(--line);}
  body{max-width:430px; margin-inline:auto; background:var(--white); box-shadow:0 0 0 1px var(--line), 0 30px 80px rgba(0,20,82,0.12);}
  .brand-copy{display:none;}
  .brand{min-width:0;}
  .nav{grid-template-columns:1fr auto; gap:12px; min-height:64px;}
  nav.links{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .cta-btn{padding:10px 12px; font-size:0.8rem;}
  .logo-mark{height:30px; width:auto; max-width:150px;}
  .wrap{padding-inline:20px;}
  .split{grid-template-columns:1fr;}
  section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .games-grid,.why-strip,.guide-grid{grid-template-columns:1fr;}
  .game-card,.panel,.trust-panel{padding:22px;}
  .game-meta{grid-template-columns:1fr;}
  .steps{display:block;}
  .step{border-right:0;}
  .footer-grid{display:block;}
  .footer-brand{max-width:none; margin-bottom:28px;}
  .footer-cols{display:grid; grid-template-columns:1fr 1fr; gap:22px 18px;}
  .footer-col{min-width:0;}
  .final-cta{padding:42px 22px;}
  .hero{padding:54px 0 52px;}
  .hero-ctas .cta-btn,.hero-ctas .cta-ghost{width:100%; max-width:320px;}
  .ball{width:48px; height:48px; font-size:1rem;}
  .starburst{width:260px; height:260px;}
  .board-caption{max-width:320px; margin:0 auto; line-height:1.5;}
  .result-top{align-items:flex-start; flex-direction:column; gap:6px;}
  .result-when{text-align:left; white-space:normal;}
  .page-links,.contact-grid{grid-template-columns:1fr;}
}