:root{--paper:#F4F5F8;--card:#FFFFFF;--ink:#15171C;--sub:#5B6270;--indigo:#4F46E5;--indigo-soft:#ECEBFB;--mist:#E4E6EC;--line:#DDE0E7;
    --display:'Space Grotesk',sans-serif;--body:'Inter',sans-serif;--mono:'Space Mono',monospace;}
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth;scroll-padding-top:76px}
  section[id]{scroll-margin-top:76px}
  body{background:var(--paper);color:var(--ink);font-family:var(--body);line-height:1.6;-webkit-font-smoothing:antialiased}
  .wrap{max-width:1080px;margin:0 auto;padding:0 28px}
  header.bar{position:sticky;top:0;z-index:20;background:rgba(244,245,248,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .bar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
  .logo{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:-.01em;display:flex;align-items:center;gap:9px}
  .logo .b{width:26px;height:26px;border-radius:7px;object-fit:cover;flex:none}
  .bar nav{font-family:var(--mono);font-size:12.5px;color:var(--sub);display:flex;gap:20px}
  .bar nav a{text-decoration:none;transition:color .15s}.bar nav a:hover{color:var(--indigo)}
  @media(max-width:640px){.bar nav{display:none}}
  .hero{padding-top:84px;padding-bottom:54px}
  .eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:var(--indigo);text-transform:uppercase;margin-bottom:22px}
  .hero h1{font-family:var(--display);font-weight:700;font-size:clamp(38px,6.4vw,68px);line-height:1.02;letter-spacing:-.03em;max-width:15ch}
  .hero h1 em{font-style:normal;color:var(--indigo)}
  .hero p.lede{margin-top:24px;font-size:clamp(16px,2vw,19px);color:var(--sub);max-width:58ch}
  .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:46px}
  .stat{background:var(--card);padding:22px 20px}
  .stat .n{font-family:var(--display);font-weight:600;font-size:30px;letter-spacing:-.02em}
  .stat .l{font-family:var(--mono);font-size:11.5px;color:var(--sub);text-transform:uppercase;letter-spacing:.04em;margin-top:6px}
  @media(max-width:640px){.stats{grid-template-columns:repeat(2,1fr)}}
  .sec{padding-top:62px}
  .sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:8px}
  .sec-head .idx{font-family:var(--mono);font-size:12.5px;color:var(--indigo)}
  .sec-head h2{font-family:var(--display);font-weight:600;font-size:clamp(22px,3vw,28px);letter-spacing:-.02em}
  .sec-sub{color:var(--sub);font-size:14.5px;margin:0 0 26px 30px;max-width:66ch}
  @media(max-width:640px){.sec-sub{margin-left:0}}
  /* services */
  .svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  @media(max-width:880px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:560px){.svc-grid{grid-template-columns:1fr}}
  .svc-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 20px;display:flex;flex-direction:column;transition:border-color .18s,box-shadow .18s,transform .18s}
  .svc-card:hover{border-color:var(--indigo);box-shadow:0 14px 34px -18px rgba(79,70,229,.4);transform:translateY(-3px)}
  .svc-h{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}
  .svc-kind{font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--sub);border:1px solid var(--line);border-radius:999px;padding:4px 10px}
  .svc-badge{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.04em;color:#fff;background:var(--indigo);border-radius:999px;padding:4px 9px}
  .svc-card h3{font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:-.01em;line-height:1.2}
  .svc-pitch{font-size:13.5px;color:var(--sub);margin-top:9px}
  .svc-del{list-style:none;margin:15px 0 0;padding:0;flex:1}
  .svc-del li{position:relative;padding-left:20px;font-size:13px;color:var(--ink);margin-bottom:8px;line-height:1.4}
  .svc-del li::before{content:"›";position:absolute;left:4px;top:-1px;color:var(--indigo);font-weight:700}
  .svc-prices{margin-top:18px;border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:8px}
  .pr{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
  .pr span{font-size:12.5px;color:var(--sub)}
  .pr b{font-family:var(--mono);font-size:13px;color:var(--indigo);white-space:nowrap}
  .svc-note{font-family:var(--mono);font-size:11px;color:var(--sub);margin-top:18px}
  /* work */
  .grp{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--sub);margin:32px 0 14px;display:flex;align-items:center;gap:12px}
  .grp::after{content:"";flex:1;height:1px;background:var(--line)}
  .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  @media(max-width:880px){.grid{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:560px){.grid{grid-template-columns:1fr}}
  .proj{background:var(--card);border:1px solid var(--line);border-radius:13px;overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,border-color .18s,box-shadow .18s}
  .proj:hover{transform:translateY(-3px);border-color:var(--indigo);box-shadow:0 12px 30px -16px rgba(79,70,229,.35)}
  .chrome{display:flex;align-items:center;gap:9px;padding:9px 12px;border-bottom:1px solid var(--line);background:#FAFAFC}
  .dots{display:flex;gap:5px}.dots i{width:9px;height:9px;border-radius:50%;background:var(--mist);display:block}
  .dots i:nth-child(1){background:#FF6B5B}.dots i:nth-child(2){background:#FFC24B}.dots i:nth-child(3){background:#34C759}
  .addr{flex:1;font-family:var(--mono);font-size:11px;color:var(--sub);background:var(--paper);border-radius:6px;padding:4px 9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .shot{height:160px;background:var(--paper);border-bottom:1px solid var(--line);overflow:hidden}
  .shot img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}
  .shot.noshot{display:grid;place-items:center;background:var(--indigo-soft)}
  .shot.noshot span{font-family:var(--display);font-weight:700;font-size:46px;color:var(--indigo);opacity:.55}
  .body{padding:16px 17px 18px;flex:1;display:flex;flex-direction:column}
  .tag{font-family:var(--mono);font-size:11px;color:var(--indigo);text-transform:uppercase;letter-spacing:.04em}
  .proj h3{font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:-.01em;margin:7px 0 8px}
  .proj p{font-size:13.5px;color:var(--sub);line-height:1.5;flex:1}
  .metric{font-family:var(--mono);font-size:11.5px;color:var(--ink);background:var(--indigo-soft);border:1px solid #DAD8FA;border-radius:7px;padding:7px 10px;margin-top:12px}
  .visit{margin-top:13px;font-family:var(--mono);font-size:12px;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:6px;align-self:flex-start;border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
  .visit:hover{color:var(--indigo);border-color:var(--indigo)}.visit .arr{transition:transform .15s}.visit:hover .arr{transform:translateX(3px)}
.work-more{margin-top:36px;text-align:center}
  .approach{margin-top:18px;background:var(--ink);color:#EDEef2;border-radius:16px;padding:clamp(28px,4vw,46px)}
  .approach .eyebrow{color:#A6A0F7}
  .approach h2{font-family:var(--display);font-weight:600;font-size:clamp(22px,3vw,30px);letter-spacing:-.02em;max-width:24ch;line-height:1.15}
  .approach p{margin-top:18px;color:#AFB4C0;max-width:62ch;font-size:15.5px}
  .approach .row{display:flex;flex-wrap:wrap;gap:26px;margin-top:28px}
  .approach .row div{min-width:150px}
  .approach .row .k{font-family:var(--mono);font-size:11.5px;color:#7E84F0;text-transform:uppercase;letter-spacing:.05em}
  .approach .row .v{margin-top:5px;font-size:14.5px;color:#EDEef2}
  .contact{padding-top:74px;padding-bottom:90px;text-align:center}
  .contact h2{font-family:var(--display);font-weight:700;font-size:clamp(28px,4.4vw,46px);letter-spacing:-.025em;line-height:1.05}
  .contact h2 em{font-style:normal;color:var(--indigo)}
  .contact p{margin-top:16px;color:var(--sub)}
  .cta{margin-top:28px;display:inline-flex;gap:13px;flex-wrap:wrap;justify-content:center}
  .btn{font-family:var(--mono);font-size:13.5px;text-decoration:none;padding:13px 22px;border-radius:999px;transition:transform .15s,background .15s,box-shadow .15s;min-height:44px;display:inline-flex;align-items:center;justify-content:center}
  .btn.primary{background:var(--indigo);color:#fff;box-shadow:0 10px 24px -12px rgba(79,70,229,.7)}
  .btn.primary:hover{transform:translateY(-2px)}
  .btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
  .btn.ghost:hover{border-color:var(--indigo);color:var(--indigo)}
  .btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
  .cform{margin-top:34px;max-width:520px;margin-inline:auto;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 24px;display:flex;flex-direction:column;gap:16px}
  .cform-row{display:flex;gap:14px}
  @media(max-width:560px){.cform-row{flex-direction:column}}
  .cf-field{display:flex;flex-direction:column;gap:6px;flex:1;font-family:var(--mono);font-size:12px;color:var(--sub);text-transform:uppercase;letter-spacing:.04em}
  .cf-field input,.cf-field textarea{font-family:var(--body);font-size:14px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:10px 12px;resize:vertical;text-transform:none;letter-spacing:normal}
  .cf-field input:focus-visible,.cf-field textarea:focus-visible{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px var(--indigo-soft)}
  .cf-hp{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
  .cform .btn{align-self:flex-start;border:0;cursor:pointer}
  .cf-status{font-family:var(--mono);font-size:12.5px;min-height:1em}
  .cf-status.ok{color:#1A8F4C}
  .cf-status.err{color:#D64545}
  .cf-divider{margin-top:34px;font-family:var(--mono);font-size:11.5px;color:var(--sub);text-transform:uppercase;letter-spacing:.05em}
  footer.foot{border-top:1px solid var(--line);padding:22px 0}
  .foot .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-family:var(--mono);font-size:11.5px;color:var(--sub)}
  :focus-visible{outline:2px solid var(--indigo);outline-offset:3px;border-radius:4px}
  @media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

/* ===== Blog ===== */
.blog-hero{padding-top:84px;padding-bottom:46px}
.blog-headline{font-family:var(--display);font-weight:700;font-size:clamp(32px,5.5vw,56px);line-height:1.05;letter-spacing:-.03em;max-width:18ch;margin-top:22px}
.blog-headline em{font-style:normal;color:var(--indigo)}
.blog-lede{margin-top:18px;font-size:clamp(15px,2vw,18px);color:var(--sub);max-width:60ch}
.blog-posts{padding-top:0;padding-bottom:80px}
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media(max-width:640px){.post-grid{grid-template-columns:1fr}}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:border-color .18s,box-shadow .18s,transform .18s;text-decoration:none;color:inherit}
.post-card:hover{border-color:var(--indigo);box-shadow:0 14px 34px -18px rgba(79,70,229,.4);transform:translateY(-3px)}
.post-thumb{height:180px;background:var(--indigo-soft);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.post-thumb.no-thumb{display:grid;place-items:center}
.post-thumb.no-thumb span{font-family:var(--display);font-weight:700;font-size:52px;color:var(--indigo);opacity:.45}
.post-body{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column}
.post-cat{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--indigo);margin-bottom:10px}
.post-title{font-family:var(--display);font-weight:600;font-size:20px;letter-spacing:-.015em;line-height:1.25;margin-bottom:10px}
.post-excerpt{font-size:14px;color:var(--sub);line-height:1.55;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-family:var(--mono);font-size:11.5px;color:var(--sub)}
.post-meta .dot{opacity:.4}
.post-read{margin-top:14px;font-family:var(--mono);font-size:12px;color:var(--indigo);display:inline-flex;align-items:center;gap:5px;align-self:flex-start;border-bottom:1px solid transparent;transition:border-color .15s}
.post-card:hover .post-read{border-color:var(--indigo)}
.post-card-soon{cursor:default;opacity:.72}
.post-card-soon:hover{border-color:var(--line);box-shadow:none;transform:none}

/* Article layout */
.article-wrap{max-width:720px;margin:0 auto;padding:0 28px}
.article-back{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12px;color:var(--sub);text-decoration:none;margin-top:40px;transition:color .15s}
.article-back:hover{color:var(--indigo)}
.article-header{padding-top:28px;padding-bottom:40px}
.article-header h1{font-family:var(--display);font-weight:700;font-size:clamp(26px,4vw,42px);letter-spacing:-.03em;line-height:1.1;margin-top:14px}
.article-divider{border:0;height:1px;background:var(--line);margin-bottom:44px}
.article-body{font-size:17px;line-height:1.78;color:var(--ink)}
.article-body p{margin-bottom:1.4em}
.article-body h2{font-family:var(--display);font-weight:600;font-size:clamp(20px,2.6vw,26px);letter-spacing:-.02em;line-height:1.2;margin-top:2.4em;margin-bottom:.7em}
.article-body h3{font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:-.01em;line-height:1.25;margin-top:1.8em;margin-bottom:.5em}
.article-body ul,.article-body ol{margin-top:.8em;margin-bottom:1.4em;padding-left:1.3em}
.article-body li{margin-bottom:.55em}
.article-body strong{font-weight:600}
.article-body a{color:var(--indigo);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{text-decoration-thickness:2px}
.article-callout{background:var(--indigo-soft);border:1px solid #DAD8FA;border-radius:12px;padding:18px 22px;margin:1.8em 0;font-size:15.5px;line-height:1.6}
.article-callout strong{color:var(--indigo)}
.author-bio{margin-top:48px;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:14px;display:flex;gap:18px;align-items:flex-start}
.author-bio .avatar{width:52px;height:52px;border-radius:12px;background:var(--indigo);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:22px;color:#fff;flex:none}
.author-bio .au-name{font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:-.01em}
.author-bio .au-role{font-family:var(--mono);font-size:11px;color:var(--sub);margin-top:4px;text-transform:uppercase;letter-spacing:.04em}
.author-bio .au-bio{font-size:14px;color:var(--sub);margin-top:10px;line-height:1.5}
.article-cta{margin-top:48px;margin-bottom:80px;background:var(--ink);color:#EDEef2;border-radius:16px;padding:clamp(28px,4vw,46px);text-align:center}
.article-cta .eyebrow{color:#A6A0F7;margin-bottom:12px}
.article-cta h2{font-family:var(--display);font-weight:700;font-size:clamp(22px,3vw,32px);letter-spacing:-.025em;line-height:1.1}
.article-cta p{margin-top:14px;color:#AFB4C0;font-size:15.5px;max-width:52ch;margin-inline:auto}
.article-cta .cta{margin-top:24px}

/* ===== AEO animated explainer slideshow ===== */
.aeo-slides{position:relative;background:#0F1014;border-radius:18px;overflow:hidden;margin:2.8em 0}
.aeo-slides .sp{position:absolute;top:0;left:0;height:3px;background:var(--indigo);z-index:5;border-radius:0 2px 2px 0;width:0%}
.slide-track{display:flex;will-change:transform;transition:transform .45s cubic-bezier(.4,0,.2,1)}
.slide{flex:none;width:100%;padding:36px 40px 20px;box-sizing:border-box;min-height:300px}
.slide-nav{display:flex;align-items:center;justify-content:center;gap:12px;padding:0 40px 22px}
.slide-dot{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.18);border:0;cursor:pointer;padding:0;transition:background .2s,transform .2s}
.slide-dot.on{background:var(--indigo);transform:scale(1.35)}
.slide-arrow{background:none;border:1px solid rgba(255,255,255,.12);border-radius:8px;color:rgba(255,255,255,.4);cursor:pointer;font-size:13px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;transition:border-color .15s,color .15s;line-height:1}
.slide-arrow:hover{border-color:var(--indigo);color:var(--indigo)}
/* shared slide typography */
.sl-tag{font-family:var(--mono);font-size:11px;color:#A6A0F7;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.sl-h1{font-family:var(--display);font-weight:700;font-size:clamp(26px,4.5vw,36px);color:#EDEef2;letter-spacing:-.025em;line-height:1.05;margin-bottom:12px}
.sl-h1 em{font-style:normal;color:var(--indigo)}
.sl-sub{font-family:var(--body);font-size:14.5px;color:#AFB4C0;line-height:1.55;margin-bottom:20px}
.sl-chips{display:flex;flex-wrap:wrap;gap:8px}
.sl-chip{font-family:var(--mono);font-size:11px;color:#5B6270;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:7px;padding:5px 12px}
/* slide 2 — compare */
.sl-cmp{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.sl-col{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);border-radius:10px;padding:16px 18px}
.sl-col.accent{border-color:rgba(79,70,229,.4)}
.sl-col-h{font-family:var(--display);font-weight:600;font-size:14px;color:#EDEef2;margin-bottom:10px}
.sl-col-item{font-family:var(--body);font-size:12.5px;color:#AFB4C0;line-height:1.5;padding:5px 0;border-bottom:1px solid rgba(255,255,255,.05);display:flex;gap:8px;align-items:flex-start}
.sl-col-item:last-child{border-bottom:0}
.sl-dot-mark{width:5px;height:5px;border-radius:50%;flex-shrink:0;margin-top:6px}
.sl-quote{font-family:var(--body);font-size:13px;color:#EDEef2;font-style:italic;background:rgba(79,70,229,.1);border-left:2px solid var(--indigo);border-radius:0 8px 8px 0;padding:11px 15px;line-height:1.6}
.sl-quote em{font-style:normal;color:#A6A0F7}
/* slide 3 & 4 — list / grid */
.sl-list,.sl-grid{display:flex;flex-direction:column;gap:8px}
.sl-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.sl-item{display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:12px 14px}
.sl-num{font-family:var(--mono);font-size:11px;color:var(--indigo);font-weight:700;flex-shrink:0;width:18px;padding-top:2px}
.sl-item-h{font-family:var(--display);font-weight:600;font-size:13.5px;color:#EDEef2;line-height:1.3}
.sl-item-d{font-family:var(--body);font-size:12px;color:#AFB4C0;margin-top:3px;line-height:1.45}
/* slide 5 — CTA */
.sl-cta{text-align:center;padding:10px 0 6px}
.sl-cta-h{font-family:var(--display);font-weight:700;font-size:clamp(22px,4vw,32px);color:#EDEef2;letter-spacing:-.025em;line-height:1.1;margin-bottom:10px}
.sl-cta-h em{font-style:normal;color:var(--indigo)}
.sl-cta-p{font-family:var(--body);font-size:14px;color:#AFB4C0;line-height:1.6;margin-bottom:20px;max-width:44ch;margin-inline:auto}
.sl-cta-btn{display:inline-flex;align-items:center;min-height:44px;background:var(--indigo);color:#fff;font-family:var(--mono);font-size:13px;font-weight:700;padding:12px 28px;border-radius:999px;text-decoration:none;letter-spacing:.02em;transition:opacity .15s}
.sl-cta-btn:hover{opacity:.85}
@media(max-width:580px){
  .slide{padding:26px 22px 16px}
  .sl-cmp,.sl-grid{grid-template-columns:1fr}
  .slide-nav{padding:0 22px 18px}
}

/* ===== PWA/UX polish (added) ===== */

/* skip link */
.skip{position:fixed;top:-60px;left:16px;z-index:100;background:var(--indigo);color:#fff;font-family:var(--mono);font-size:12px;padding:10px 16px;border-radius:8px;text-decoration:none;transition:top .18s ease}
.skip:focus-visible{top:12px}

/* hamburger (desktop: hidden) */
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px;flex-direction:column;gap:5px}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile nav drawer */
.bar .mnav{display:none}
@media(max-width:640px){
  .bar .burger{display:flex}
  .mnav{position:absolute;top:64px;left:0;right:0;z-index:19;background:var(--card);border-bottom:1px solid var(--line);box-shadow:0 18px 30px -20px rgba(21,23,28,.28);flex-direction:column;padding:6px 0 14px}
  .mnav a{font-family:var(--mono);font-size:14px;color:var(--ink);text-decoration:none;padding:12px 28px;transition:color .15s}
  .mnav a:hover{color:var(--indigo)}
  .mnav.open{display:flex}
}

/* scroll-spy active nav link */
.bar nav a.active{color:var(--indigo)}

/* scroll reveal (opacity only — keeps existing hover transitions intact) */
.reveal{opacity:0}
.reveal.is-in{opacity:1}
.stat.reveal,.approach.reveal,.contact.reveal{transition:opacity .5s ease}
.svc-card.reveal,.proj.reveal{transition:opacity .5s ease,border-color .18s,box-shadow .18s,transform .18s}

/* back to top */
.totop{position:fixed;right:22px;bottom:22px;z-index:30;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:18px;line-height:1;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.totop.show{opacity:1;pointer-events:auto;transform:none}
.totop:hover{border-color:var(--indigo);color:var(--indigo);box-shadow:0 10px 22px -14px rgba(79,70,229,.5)}
@media(max-width:640px){.totop{right:14px;bottom:14px}}

/* reading progress bar (article pages only) */
.read-progress{position:fixed;top:0;left:0;z-index:100;height:3px;width:0%;background:var(--indigo);transition:width .08s linear;pointer-events:none;border-radius:0 2px 2px 0}
@media(prefers-reduced-motion:reduce){.read-progress{transition:none}}

/* ===== Availability badge ===== */
.avail{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11.5px;color:#1A8F4C;background:#EDF7F1;border:1px solid #C0E8CE;border-radius:999px;padding:5px 12px;margin-bottom:16px}
.avail-dot{width:7px;height:7px;border-radius:50%;background:#25C66F;flex-shrink:0}

/* ===== Process section ===== */
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:10px}
@media(max-width:880px){.proc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.proc-grid{grid-template-columns:1fr}}
.proc-step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 20px}
.proc-num{font-family:var(--mono);font-size:11px;color:var(--indigo);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}
.proc-step h3{font-family:var(--display);font-weight:600;font-size:17px;letter-spacing:-.01em;margin-bottom:8px}
.proc-step p{font-size:13.5px;color:var(--sub);line-height:1.55}

/* ===== FAQ section ===== */
.faq-list{margin-top:10px;border:1px solid var(--line);border-radius:14px;overflow:hidden}
details.faq-item{border-bottom:1px solid var(--line)}
details.faq-item:last-child{border-bottom:0}
details.faq-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 22px;font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:-.01em;cursor:pointer;background:var(--card);color:var(--ink);transition:background .15s;-webkit-user-select:none;user-select:none}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary:hover{background:var(--indigo-soft)}
.faq-icon{font-family:var(--mono);font-size:20px;color:var(--indigo);flex-shrink:0;line-height:1;transition:transform .2s ease}
details.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-a-inner{padding:4px 22px 20px;font-size:15px;color:var(--sub);line-height:1.65;background:var(--card)}

/* ===== WhatsApp button ===== */
.btn.wa{background:#25D366;color:#fff;box-shadow:0 10px 24px -12px rgba(37,211,102,.45)}
.btn.wa:hover{transform:translateY(-2px)}