:root{
  --bg:#F5F8FE;--bg-2:#EAF1FC;--surface:#FFFFFF;
  --ink:#0B1F44;--ink-2:#33456E;--muted:#68779D;
  --line:rgba(14,42,92,.10);--line-2:rgba(14,42,92,.17);
  --navy:#0E2A5C;--blue:#1B72F0;--sky:#4DA3FF;--mint:#0FBF8F;--warn:#FF7A59;
  --glow:rgba(27,114,240,.28);
  --display:'Sora',system-ui,sans-serif;--body:'Inter',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;
  --grad:linear-gradient(115deg,var(--navy),var(--blue) 55%,var(--sky));
  --grad-soft:linear-gradient(135deg,rgba(27,114,240,.10),rgba(77,163,255,.08));
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--body);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);display:inline-flex;align-items:center;gap:9px;font-weight:500}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}
.glass{background:rgba(255,255,255,.78);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.7);box-shadow:0 10px 40px -18px var(--glow)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.btn{font-family:var(--display);font-weight:600;font-size:15px;border-radius:12px;display:inline-flex;align-items:center;gap:9px;cursor:pointer;border:none;transition:.2s}
.btn-primary{background:var(--blue);color:#fff;padding:14px 26px;box-shadow:0 10px 26px -8px var(--glow)}
.btn-primary:hover{background:#0F5FD6;transform:translateY(-2px);box-shadow:0 16px 34px -8px var(--glow)}
.btn-navy{background:var(--navy);color:#fff;padding:14px 26px}
.btn-navy:hover{background:#0A2049;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.8);color:var(--ink);padding:13px 22px;border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
/* NAV */
header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:17px}
.brand .seo{color:var(--blue)}.brand .atl{color:var(--navy)}
.brand .ga{color:var(--blue);font-size:11px;vertical-align:top;border-bottom:2px solid var(--blue);margin-left:2px}
.navlinks{display:flex;gap:6px;align-items:center;font-size:14.5px;color:var(--ink-2);font-weight:500}
.navlinks>a,.dd>a{padding:8px 13px;border-radius:9px}
.navlinks>a:hover,.dd>a:hover{background:var(--bg-2);color:var(--ink)}
.navlinks a.active{color:var(--blue)}
.dd{position:relative}
.dd-menu{position:absolute;top:calc(100% + 6px);left:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 60px -24px rgba(14,42,92,.3);padding:8px;min-width:250px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
.dd:hover .dd-menu,.dd:focus-within .dd-menu{opacity:1;visibility:visible;transform:none}
.dd-menu a{display:block;padding:10px 14px;border-radius:9px;font-size:14px;color:var(--ink-2)}
.dd-menu a:hover{background:var(--bg-2);color:var(--blue)}
.menu-btn{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--ink)}
.mobile-nav{display:none;flex-direction:column;gap:2px;padding:10px 0 16px;border-top:1px solid var(--line)}
.mobile-nav a{padding:11px 8px;border-radius:9px;font-weight:500;color:var(--ink-2)}
.mobile-nav a:hover{background:var(--bg-2)}
.mobile-nav.open{display:flex}
/* HERO / SECTIONS */
.hero{position:relative;padding:88px 0 64px;overflow:hidden;background:linear-gradient(180deg,#FDFEFF 0%,var(--bg) 100%);min-height:calc(100vh - 70px);min-height:calc(100svh - 70px);display:flex;align-items:center}
.hero>.wrap{width:100%;position:relative;z-index:2}
#net{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero .mesh{position:absolute;inset:0;z-index:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 75% 65% at 50% 0%,#000,transparent 78%);opacity:.55;pointer-events:none}
.hero>.wrap{position:relative;z-index:2}
h1{font-family:var(--display);font-weight:800;font-size:54px;line-height:1.06;letter-spacing:-.03em;margin:20px 0 20px}
h1 .blue{color:var(--blue)}
.sub{font-size:18px;color:var(--ink-2);max-width:40ch;margin-bottom:30px}
section{padding:84px 0;position:relative}
.sec-head{max-width:58ch;margin-bottom:46px}
.sec-head.center{text-align:center;margin-left:auto;margin-right:auto}
.sec-head.center .eyebrow{justify-content:center}
h2{font-family:var(--display);font-weight:700;font-size:38px;line-height:1.1;letter-spacing:-.02em;margin:15px 0 13px}
h3{font-family:var(--display);font-weight:600;letter-spacing:-.01em}
.sec-head p{font-size:17px;color:var(--ink-2)}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.25s;position:relative;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:0 26px 54px -26px var(--glow);border-color:rgba(27,114,240,.4)}
.card-viz{height:130px;background:var(--grad-soft);border-bottom:1px solid var(--line);overflow:hidden}
.card-viz svg{width:100%;height:100%}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card .num{font-family:var(--mono);font-size:12px;color:var(--blue);font-weight:500}
.card h3{font-size:19px;margin:8px 0 8px}
.card p{font-size:14.5px;color:var(--ink-2);flex:1}
.card .more{margin-top:14px;font-family:var(--display);font-weight:600;font-size:13.5px;color:var(--blue);display:inline-flex;gap:6px;align-items:center}
.card:hover .more{gap:10px}
.card .more{transition:gap .2s}
/* stats */
.stats{background:var(--grad);border-radius:24px;padding:44px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;color:#fff;position:relative;overflow:hidden}
.stats::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 15% 15%,rgba(255,255,255,.18),transparent 40%),radial-gradient(circle at 85% 85%,rgba(77,163,255,.35),transparent 45%)}
.stat{position:relative;z-index:1}
.stat .n{font-family:var(--display);font-weight:800;font-size:44px;letter-spacing:-.03em;line-height:1}
.stat .t{font-size:13.5px;margin-top:8px;color:rgba(255,255,255,.85);font-weight:500}
/* tools */
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.tool-card{border-radius:22px;padding:32px 34px;background:#fff;border:1px solid var(--line)}
.tool-card h3{font-size:23px;margin-bottom:6px}
.tool-card .hint{font-size:14px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:21px}
.field label{display:flex;justify-content:space-between;font-size:13.5px;font-weight:500;color:var(--ink-2);margin-bottom:9px}
.field label b{font-family:var(--mono);color:var(--blue);font-weight:600}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:6px;background:linear-gradient(90deg,var(--navy),var(--blue));outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--blue);cursor:pointer;box-shadow:0 4px 12px -2px var(--glow)}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--blue);cursor:pointer}
.result{background:var(--grad);color:#fff;border-radius:20px;padding:32px 34px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.result::after{content:"";position:absolute;top:-40px;right:-40px;width:200px;height:200px;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%)}
.result .rlbl{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.8)}
.result .big{font-family:var(--display);font-weight:800;font-size:52px;letter-spacing:-.03em;line-height:1;margin:8px 0}
.result .rsub{font-size:14px;color:rgba(255,255,255,.85);margin-bottom:22px}
.result-detail{display:grid;grid-template-columns:1fr 1fr;gap:13px;position:relative;z-index:1}
.rd{background:rgba(255,255,255,.15);border-radius:12px;padding:12px 15px}
.rd .k{font-size:11px;color:rgba(255,255,255,.75);font-family:var(--mono)}
.rd .v{font-family:var(--display);font-weight:700;font-size:21px;margin-top:2px}
/* audit tool */
.audit{background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:0 24px 60px -30px var(--glow)}
.audit-bar{display:flex;align-items:center;gap:8px;max-width:620px;margin:0;background:var(--bg);border:1.5px solid var(--line-2);border-radius:16px;padding:7px 7px 7px 16px;transition:border-color .15s,box-shadow .15s,background .15s}
.audit-bar:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px rgba(27,114,240,.12);background:#fff}
.audit-bar .audit-field{display:flex;align-items:center;gap:9px;flex:1;min-width:0}
.audit-bar .audit-ic{position:static;width:20px;height:20px;color:#8494b3;flex:none}
.audit-bar input{width:100%;border:none;background:transparent;padding:12px 4px;font-family:var(--body);font-size:16px;color:var(--ink);outline:none;min-width:0}
.audit-bar .btn{border-radius:11px;padding:13px 22px;white-space:nowrap;flex:none}
.audit-trust{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-start;margin-top:18px}
.audit-trust .chip{display:inline-flex;align-items:center;gap:7px;background:var(--grad-soft);border:1px solid var(--line);border-radius:20px;padding:7px 14px;font-size:12.5px;color:var(--ink-2);font-weight:500}
.audit-trust .chip svg{width:14px;height:14px;color:var(--blue);flex:none}
@media(max-width:620px){.audit{padding:20px}.audit-bar{flex-direction:column;align-items:stretch;padding:12px;border-radius:14px}.audit-bar .btn{width:100%;justify-content:center}}
.audit-progress{margin-top:22px;display:none}
.audit-progress .bar{height:10px;background:var(--bg-2);border-radius:6px;overflow:hidden}
.audit-progress .fill{height:100%;width:0;background:var(--grad);border-radius:6px;transition:width .35s ease}
.audit-progress .step{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);margin-top:10px;min-height:18px}
.audit-result{display:none;margin-top:26px;border-top:1px solid var(--line);padding-top:26px}
.audit-top{display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:center}
.gauge{position:relative;width:150px;height:150px}
.gauge svg{transform:rotate(-90deg)}
.gauge .gn{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:36px}
.gauge .gt{position:absolute;left:0;right:0;bottom:18px;text-align:center;font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.08em}
.audit-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.am{background:var(--bg);border:1px solid var(--line);border-radius:13px;padding:14px 16px}
.am .k{font-family:var(--mono);font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
.am .v{font-family:var(--display);font-weight:700;font-size:23px;margin-top:2px}
.am .v.bad{color:var(--warn)}.am .v.good{color:var(--mint)}
.audit-fixes{margin-top:20px}
.audit-fixes h4{font-family:var(--display);font-size:15px;margin-bottom:10px}
.fix{display:flex;gap:10px;align-items:flex-start;padding:10px 13px;border-radius:10px;background:var(--bg);border:1px solid var(--line);margin-bottom:8px;font-size:14px;color:var(--ink-2)}
.fix .tag{font-family:var(--mono);font-size:10px;padding:2px 8px;border-radius:12px;flex-shrink:0;margin-top:2px}
.tag.hi{background:#FFE8E0;color:#C4441F}.tag.med{background:#FFF3D6;color:#9A6B00}.tag.lo{background:#E3F6EF;color:#0A7B5C}
/* before/after */
.ba{position:relative;border-radius:22px;overflow:hidden;user-select:none;aspect-ratio:16/7;cursor:ew-resize;border:1px solid var(--line);background:#fff}
.ba .side{position:absolute;inset:0}
.ba .side svg{width:100%;height:100%}
.ba .after{clip-path:inset(0 0 0 50%)}
.ba-label{position:absolute;top:16px;font-family:var(--mono);font-size:11px;font-weight:500;padding:6px 12px;border-radius:20px;z-index:3}
.ba-label.l{left:16px;background:rgba(14,42,92,.72);color:#fff}
.ba-label.r{right:16px;background:var(--blue);color:#fff}
.ba-handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;z-index:4;box-shadow:0 0 16px var(--glow);transform:translateX(-50%)}
.ba-handle::after{content:"⟺";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;border-radius:50%;background:#fff;color:var(--blue);display:grid;place-items:center;font-size:15px;box-shadow:0 8px 20px -6px var(--glow)}
/* tabs */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.tab{font-family:var(--display);font-weight:500;font-size:14px;padding:11px 20px;border-radius:12px;background:#fff;border:1px solid var(--line);cursor:pointer;transition:.2s;color:var(--ink-2)}
.tab.active{background:var(--blue);color:#fff;border-color:transparent;box-shadow:0 10px 24px -10px var(--glow)}
.tab-panel{display:none}
.tab-panel.active{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;animation:fadeup .5s cubic-bezier(.2,.7,.2,1)}
@keyframes fadeup{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.tab-viz{border-radius:18px;overflow:hidden;box-shadow:0 20px 50px -24px var(--glow);background:#fff;border:1px solid var(--line)}
.tab-viz svg{width:100%}
.tab-panel h3{font-size:25px;margin-bottom:11px}
.tab-panel p{color:var(--ink-2);font-size:15.5px;margin-bottom:15px}
.checklist{list-style:none;display:flex;flex-direction:column;gap:10px}
.checklist li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2)}
.checklist li::before{content:"✓";color:var(--mint);font-weight:700}
/* testimonials */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:16px}
.quote .stars{color:#F5A623;letter-spacing:2px;font-size:14px}
.quote p{font-size:14.5px;color:var(--ink-2);flex:1}
.q-who{display:flex;align-items:center;gap:12px}
.q-av{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:14px}
.q-who .n{font-family:var(--display);font-weight:600;font-size:14px}
.q-who .r{font-size:12px;color:var(--muted)}
/* blog cards */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-6px);box-shadow:0 26px 54px -26px var(--glow)}
.post-viz{height:150px;background:var(--grad-soft);border-bottom:1px solid var(--line)}
.post-viz svg{width:100%;height:100%}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-meta{font-family:var(--mono);font-size:11px;color:var(--muted);display:flex;gap:12px;margin-bottom:9px}
.post-meta .cat{color:var(--blue)}
.post-body h3{font-size:18px;line-height:1.35;margin-bottom:8px}
.post-body p{font-size:14px;color:var(--ink-2);flex:1}
.post-body .more{margin-top:13px;font-family:var(--display);font-weight:600;font-size:13.5px;color:var(--blue)}
/* faq */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border-radius:16px;overflow:hidden;transition:.2s;border:1px solid var(--line);background:#fff}
.faq-q{padding:19px 24px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-family:var(--display);font-weight:600;font-size:16px;gap:14px}
.faq-q .ic{width:28px;height:28px;border-radius:8px;background:var(--grad-soft);color:var(--blue);display:grid;place-items:center;font-size:18px;transition:.25s;flex-shrink:0}
.faq-item.open{border-color:var(--blue);box-shadow:0 16px 40px -22px var(--glow)}
.faq-item.open .ic{transform:rotate(45deg);background:var(--blue);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-2);font-size:14.5px;padding:0 24px}
.faq-item.open .faq-a{max-height:260px;padding:0 24px 21px}
/* cta */
.cta-block{border-radius:28px;padding:60px 48px;text-align:center;position:relative;overflow:hidden;background:var(--grad);color:#fff}
.cta-block::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 60% 80% at 50% 100%,#000,transparent 70%)}
.cta-block h2{color:#fff;font-size:40px;margin-bottom:13px}
.cta-block p{color:rgba(255,255,255,.86);font-size:17px;max-width:48ch;margin:0 auto 28px}
.cta-block .btn{background:#fff;color:var(--blue)}
/* page hero (inner pages) */
.page-hero{padding:66px 0 50px;background:linear-gradient(180deg,#FDFEFF,var(--bg));border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero .mesh2{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 70% 70% at 80% 0%,#000,transparent 75%);opacity:.5}
.page-hero .wrap{position:relative}
.crumb{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap}
.crumb a:hover{color:var(--blue)}
.page-hero h1{font-size:44px;margin:14px 0 14px}
.page-hero .sub{margin-bottom:26px}
/* prose (blog article) */
.prose{max-width:740px;margin:0 auto}
.prose h2{font-size:28px;margin:38px 0 14px}
.prose h3{font-size:20px;margin:28px 0 10px}
.prose p{margin-bottom:18px;color:var(--ink-2);font-size:16.5px}
.prose ul,.prose ol{margin:0 0 18px 22px;color:var(--ink-2);font-size:16px}
.prose li{margin-bottom:8px}
.prose blockquote{border-left:3px solid var(--blue);background:var(--grad-soft);padding:16px 20px;border-radius:0 12px 12px 0;margin-bottom:18px;color:var(--ink);font-size:16px}
.prose .tip{background:#E3F6EF;border:1px solid rgba(15,191,143,.3);border-radius:12px;padding:16px 20px;margin-bottom:18px;font-size:15px;color:#0A5C45}
/* split layout */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.hero-grid{grid-template-columns:1.05fr .95fr;gap:46px}
/* feature list on service pages */
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.feat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px 22px;display:flex;gap:14px}
.feat .ic{width:38px;height:38px;border-radius:10px;background:var(--grad-soft);color:var(--blue);display:grid;place-items:center;font-size:17px;flex-shrink:0}
.feat h4{font-family:var(--display);font-size:15.5px;margin-bottom:4px}
.feat p{font-size:13.5px;color:var(--ink-2)}
/* steps */
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step3{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.step3 .sn{width:34px;height:34px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-family:var(--mono);font-weight:500;margin-bottom:14px}
.step3 h4{font-family:var(--display);font-size:16.5px;margin-bottom:7px}
.step3 p{font-size:14px;color:var(--ink-2)}
/* footer */
footer{background:var(--navy);color:#C9D6F2;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding:54px 0 40px}
.foot-grid h4{font-family:var(--display);font-size:14px;color:#fff;margin-bottom:14px}
.foot-grid a{display:block;font-size:14px;color:#A9BBE0;padding:4px 0}
.foot-grid a:hover{color:#fff}
.foot-brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:17px;color:#fff}
.foot-grid p{font-size:13.5px;color:#8FA5D2;margin-top:12px;max-width:32ch}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:#8FA5D2}
@media(max-width:920px){
  h1{font-size:38px}.page-hero h1{font-size:32px}
  h2{font-size:29px}.cta-block h2{font-size:29px}
  .navlinks{display:none}.menu-btn{display:block}
  .hero-grid,.tool-grid,.tab-panel.active,.split{grid-template-columns:1fr}
  .cards,.quotes,.blog-grid,.steps3{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;padding:34px 28px}
  .feat-grid{grid-template-columns:1fr}
  .audit-top{grid-template-columns:1fr;justify-items:center}
  .audit-metrics{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .stat .n{font-size:34px}
}
@media(max-width:640px){
  .hero{padding:60px 0 44px}
  .hero-grid{gap:26px}
  .hero h1{font-size:32px}
  .hero .sub{font-size:15.5px}
}


/* photos */
.photo-frame{border-radius:18px;overflow:hidden;background:var(--grad-soft);box-shadow:0 24px 54px -26px var(--glow);border:1px solid var(--line)}
.photo-frame img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.photo-frame:hover img{transform:scale(1.04)}
.post-photo{height:170px;border-radius:0;box-shadow:none;border:none;border-bottom:1px solid var(--line)}
.post-photo img{height:170px}
.article-hero{max-width:860px;margin:0 auto 40px;height:340px}
.article-hero img{height:340px}
.svc-photo{height:300px}
.svc-photo img{height:300px}
.atl-photo{height:380px}
.atl-photo img{height:380px}
@media(max-width:920px){.article-hero{height:220px}.article-hero img{height:220px}.atl-photo,.atl-photo img{height:240px}.svc-photo,.svc-photo img{height:220px}}


.hero-vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.85}
.hero-vid-ov{position:absolute;inset:0;z-index:0;background:linear-gradient(100deg,rgba(245,248,254,.92) 0%,rgba(245,248,254,.55) 45%,rgba(245,248,254,.25) 100%)}


/* robotic logo animation */
.logo-anim path:nth-of-type(1),.logo-anim path:nth-of-type(2){opacity:0;transform:translateY(6px);animation:logoRise .55s ease forwards}
.logo-anim path:nth-of-type(2){animation-delay:.15s}
.logo-anim path:nth-of-type(3){stroke-dasharray:82;stroke-dashoffset:82;animation:logoDraw 1s .35s cubic-bezier(.2,.7,.2,1) forwards}
.logo-anim path:nth-of-type(4){opacity:0;transform-origin:39px 11px;animation:logoPop .35s 1.25s forwards,logoPulse 2.8s 1.9s infinite}
@keyframes logoRise{to{opacity:1;transform:none}}
@keyframes logoDraw{to{stroke-dashoffset:0}}
@keyframes logoPop{from{opacity:0;transform:scale(.3)}to{opacity:1;transform:scale(1)}}
@keyframes logoPulse{0%,100%{filter:drop-shadow(0 0 0 rgba(27,114,240,0))}50%{filter:drop-shadow(0 0 7px rgba(27,114,240,.95))}}
@media(prefers-reduced-motion:reduce){.logo-anim path{animation:none!important;opacity:1!important;stroke-dashoffset:0!important;transform:none!important}}


/* AI/robotic homepage motion */
.hero-vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.9}
.cursor{color:var(--blue);animation:blink .8s steps(1) infinite;font-weight:400}
@keyframes blink{50%{opacity:0}}
.scan{position:relative;overflow:hidden}
.scan::after{content:"";position:absolute;left:0;right:0;height:80px;top:-90px;pointer-events:none;background:linear-gradient(180deg,transparent,rgba(77,163,255,.20),transparent);animation:scanmove 3.8s linear infinite}
@keyframes scanmove{to{top:115%}}
.ticker{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:clip;position:relative;z-index:2}
.ticker-track{display:inline-flex;gap:38px;white-space:nowrap;padding:11px 0;font-family:var(--mono);font-size:12.5px;color:var(--ink-2);animation:tick 30s linear infinite;will-change:transform}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-track b{color:var(--blue);font-weight:600}
.ticker-track .up{color:#0A9B72}
@keyframes tick{to{transform:translateX(-50%)}}
.audit{border:2px solid transparent;background-image:linear-gradient(#fff,#fff),linear-gradient(90deg,#1B72F0,#4DA3FF,#0E2A5C,#1B72F0);background-origin:border-box;background-clip:padding-box,border-box;background-size:auto,300% 100%;animation:borderflow 7s linear infinite}
@keyframes borderflow{to{background-position:0 0,300% 0}}
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{content:"";position:absolute;top:0;bottom:0;width:46px;left:-70px;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);animation:sheen 3.4s ease-in-out infinite}
@keyframes sheen{0%,55%{left:-70px}75%,100%{left:130%}}
#heroCard{transition:transform .18s ease-out;will-change:transform}
@media(prefers-reduced-motion:reduce){.scan::after,.ticker-track,.audit,.btn-primary::after{animation:none!important}}


/* ══════════ DARK-TECH THEME · alternating bands + canvas field ══════════ */
:root{--dk:#060F26;--dk2:#0A1B42;--dk-line:rgba(120,168,255,.16);--dk-sub:#AEC2E8;--dk-mut:#7E93C4}

/* scroll progress */
.progress{position:fixed;top:0;left:0;height:3px;width:100%;z-index:200;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--navy),var(--blue),var(--sky),var(--mint));pointer-events:none}

/* canvas field */
.field-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;display:block}

/* dark hero */
.hero.dk{background:radial-gradient(115% 90% at 76% 6%, #0E2450 0%, #081431 46%, #04081A 100%)}
.hero.dk .hero-shade{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(94deg,rgba(4,8,26,.80) 0%,rgba(4,8,26,.38) 44%,rgba(4,8,26,.03) 100%),linear-gradient(0deg,rgba(4,8,26,.66) 0%,transparent 22%)}
.hero.dk>.wrap{z-index:2}
.hero.dk h1{color:#fff}
.hero.dk h1 .blue{color:var(--sky)}
.hero.dk .sub{color:var(--dk-sub)}
.hero.dk .eyebrow{color:var(--sky)}
.hero.dk .cursor{color:var(--sky)}
.hero.dk .btn-ghost{background:rgba(255,255,255,.07);color:#EAF2FF;border-color:rgba(158,196,255,.32);backdrop-filter:blur(6px)}
.hero.dk .btn-ghost:hover{border-color:var(--sky);color:#fff;transform:translateY(-2px)}
section.dk .btn-ghost{background:rgba(255,255,255,.07);color:#EAF2FF;border-color:rgba(158,196,255,.32)}
section.dk .btn-ghost:hover{border-color:var(--sky);color:#fff;transform:translateY(-2px)}
.hero.dk .glass{background:rgba(255,255,255,.93);border-color:rgba(255,255,255,.55);box-shadow:0 30px 80px -30px rgba(3,10,30,.9),0 0 0 1px rgba(77,163,255,.25)}

/* dark ticker (continues the hero) */
.ticker.dk{background:#081431;border-color:rgba(120,168,255,.18)}
.ticker.dk .ticker-track{color:#93A9D8}
.ticker.dk .ticker-track b{color:var(--sky)}
.ticker.dk .ticker-track .up{color:#38E0AE}

/* dark section band */
section.dk{background:linear-gradient(180deg,#091634 0%,var(--dk) 100%);border-top:1px solid rgba(120,168,255,.15);border-bottom:1px solid rgba(120,168,255,.15);overflow:hidden}
section.dk::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(120,168,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(120,168,255,.055) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 85% 75% at 50% 0%,#000,transparent 82%)}
section.dk::after{content:"";position:absolute;width:640px;height:640px;border-radius:50%;top:-260px;right:-180px;pointer-events:none;background:radial-gradient(circle,rgba(27,114,240,.20),transparent 62%);filter:blur(8px);animation:auraDrift 17s ease-in-out infinite alternate}
@keyframes auraDrift{from{transform:translate(0,0) scale(1)}to{transform:translate(-220px,150px) scale(1.16)}}
section.dk>.wrap{position:relative;z-index:1}
section.dk h2,section.dk h3{color:#fff}
section.dk .sec-head p{color:var(--dk-sub)}
section.dk .eyebrow{color:var(--sky)}

/* dark cards (services) + cursor spotlight */
section.dk .card{--mx:50%;--my:50%;background:rgba(10,27,66,.62);border-color:var(--dk-line);backdrop-filter:blur(6px)}
section.dk .card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(250px circle at var(--mx) var(--my),rgba(77,163,255,.16),transparent 66%)}
section.dk .card:hover::after{opacity:1}
section.dk .card:hover{border-color:rgba(77,163,255,.55);box-shadow:0 28px 60px -24px rgba(27,114,240,.55)}
section.dk .card-viz{background:rgba(255,255,255,.045);border-color:var(--dk-line)}
section.dk .card h3{color:#fff}
section.dk .card p{color:var(--dk-sub)}
section.dk .card .num,section.dk .card .more{color:var(--sky)}
/* blog post-cards keep their light-card text colors inside a dark section */
section.dk .post-card h3{color:var(--ink)}

/* dark tabs (process) */
section.dk .tab{background:rgba(255,255,255,.05);border-color:var(--dk-line);color:var(--dk-sub)}
section.dk .tab:hover{color:#fff}
section.dk .tab.active{background:var(--blue);color:#fff;border-color:transparent}
section.dk .tab-panel p{color:var(--dk-sub)}
section.dk .checklist li{color:var(--dk-sub)}
section.dk .tab-viz{border-color:var(--dk-line);box-shadow:0 26px 64px -26px rgba(3,10,30,.85)}

/* dark quotes (testimonials) */
section.dk .quote{background:rgba(10,27,66,.62);border-color:var(--dk-line);backdrop-filter:blur(6px)}
section.dk .quote p{color:var(--dk-sub)}
section.dk .q-who .n{color:#fff}
section.dk .q-who .r{color:var(--dk-mut)}

/* dark CTA band with canvas */
/* Contact / lead-form band: a distinct brand-blue so it never blends with the
   near-black CTA band above the footer, nor with the navy footer below it. */
section.dk.contact-band{background:linear-gradient(160deg,#1B4E93 0%,#153F80 52%,#123A76 100%);border-top:1px solid rgba(120,168,255,.30);border-bottom:1px solid rgba(120,168,255,.30)}
section.dk.contact-band::before{opacity:.5}
section.dk.contact-band .form-card{background:rgba(7,20,49,.62);border-color:rgba(120,168,255,.22)}

.cta-dark{padding:100px 0 108px;text-align:center;position:relative;overflow:hidden;background:radial-gradient(110% 130% at 50% 120%, #143570 0%, var(--dk2) 50%, var(--dk) 100%);border-top:1px solid rgba(120,168,255,.18)}
.cta-dark .cta-shade{position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(68% 90% at 50% 55%,transparent 0%,rgba(6,15,38,.74) 84%)}
.cta-dark>.wrap{position:relative;z-index:2}
.cta-dark .eyebrow{justify-content:center;color:var(--sky)}
.cta-dark h2{color:#fff;font-size:42px;margin:16px 0 14px}
.cta-dark p{color:var(--dk-sub);font-size:17px;max-width:50ch;margin:0 auto 30px}
.cta-dark+footer{margin-top:0}
@media(max-width:920px){.cta-dark h2{font-size:30px}.cta-dark{padding:76px 0 84px}}
@media(prefers-reduced-motion:reduce){section.dk::after,.progress{animation:none!important}}


/* ══════════ ADDED: forms, article meta, legal pages, pagination ══════════ */
.lead-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lead-form .full{grid-column:1/-1}
.lead-form label{display:block;font-size:13px;font-weight:500;color:var(--ink-2);margin-bottom:7px}
.lead-form input,.lead-form select,.lead-form textarea{width:100%;background:var(--bg);border:1.5px solid var(--line-2);border-radius:12px;padding:13px 16px;font-family:var(--body);font-size:15px;color:var(--ink)}
.lead-form textarea{min-height:118px;resize:vertical}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(27,114,240,.12)}
.lead-form input[aria-invalid="true"],.lead-form textarea[aria-invalid="true"]{border-color:var(--warn)}
.lead-form .err{font-size:12.5px;color:#C4441F;margin-top:6px;min-height:1px}
.lead-form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px}
.form-note a{color:var(--blue)}
.form-status{grid-column:1/-1;border-radius:12px;padding:13px 17px;font-size:14.5px;display:none}
.form-status.show{display:block}
.form-status.ok{background:#E3F6EF;border:1px solid rgba(15,191,143,.32);color:#0A5C45}
.form-status.bad{background:#FFE8E0;border:1px solid rgba(255,122,89,.4);color:#C4441F}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none!important}
@media(max-width:920px){.lead-form{grid-template-columns:1fr}}

.form-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:0 24px 60px -30px var(--glow)}
section.dk .form-card{background:rgba(10,27,66,.72);border-color:var(--dk-line);backdrop-filter:blur(6px)}
section.dk .form-card h3{color:#fff}
section.dk .lead-form label{color:var(--dk-sub)}
section.dk .lead-form input,section.dk .lead-form select,section.dk .lead-form textarea{background:rgba(255,255,255,.06);border-color:var(--dk-line);color:#EAF2FF}
section.dk .lead-form input::placeholder,section.dk .lead-form textarea::placeholder{color:var(--dk-mut)}
section.dk .form-note{color:var(--dk-mut)}

/* article */
.art-meta{display:flex;gap:16px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-top:16px}
.art-meta .cat{color:var(--blue)}
.toc{background:var(--bg-2);border:1px solid var(--line);border-radius:16px;padding:22px 26px;margin-bottom:32px}
.toc h4{font-family:var(--display);font-size:14px;margin-bottom:11px}
.toc ol{margin:0 0 0 18px;font-size:14.5px;color:var(--ink-2)}
.toc li{margin-bottom:6px}
.toc a:hover{color:var(--blue)}
.key-take{border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:0 14px 14px 0;background:var(--grad-soft);padding:20px 24px;margin-bottom:30px}
.key-take h4{font-family:var(--display);font-size:14px;margin-bottom:9px}
.key-take ul{margin:0 0 0 20px;font-size:15px;color:var(--ink-2)}
.key-take li{margin-bottom:6px}
.prose table{width:100%;border-collapse:collapse;margin-bottom:20px;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left;color:var(--ink-2)}
.prose th{background:var(--bg-2);font-family:var(--display);font-weight:600;color:var(--ink);font-size:14px}
.prose-scroll{overflow-x:auto;margin-bottom:20px}
.author{display:flex;gap:14px;align-items:center;border-top:1px solid var(--line);margin-top:40px;padding-top:26px}
.author .av{width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:700;flex-shrink:0}
.author .n{font-family:var(--display);font-weight:600;font-size:15px}
.author .r{font-size:13px;color:var(--muted)}

/* blog index filters */
.chips{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:30px}
.chip{font-family:var(--display);font-weight:500;font-size:13.5px;padding:9px 17px;border-radius:11px;background:#fff;border:1px solid var(--line);cursor:pointer;color:var(--ink-2);transition:.2s}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.active{background:var(--blue);color:#fff;border-color:transparent}
.post-card.hide{display:none}
.empty-note{display:none;color:var(--muted);font-size:15px;padding:22px 0}
.empty-note.show{display:block}

/* legal */
.legal{max-width:800px;margin:0 auto}
.legal h2{font-size:24px;margin:34px 0 12px}
.legal h3{font-size:17px;margin:22px 0 8px}
.legal p,.legal li{color:var(--ink-2);font-size:15.5px}
.legal p{margin-bottom:14px}
.legal ul{margin:0 0 16px 22px}
.legal li{margin-bottom:7px}
.legal .updated{font-family:var(--mono);font-size:12.5px;color:var(--muted)}

/* related */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:920px){.related{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr;gap:26px}}
@media(max-width:380px){.wrap{padding:0 20px}}

/* pricing table on service pages */
.pkg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pkg{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.pkg.hot{border-color:var(--blue);box-shadow:0 24px 56px -28px var(--glow)}
.pkg .badge{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:10px;display:block}
.pkg h4{font-family:var(--display);font-size:19px;margin-bottom:6px}
.pkg .price{font-family:var(--display);font-weight:800;font-size:31px;letter-spacing:-.02em;margin:10px 0 4px}
.pkg .price span{font-size:14px;font-weight:500;color:var(--muted)}
.pkg .desc{font-size:14px;color:var(--ink-2);margin-bottom:16px}
@media(max-width:920px){.pkg-grid{grid-template-columns:1fr}}

/* ══════════ ADDED: illustration frames ══════════ */
.hero-art{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#060F26;box-shadow:0 34px 76px -34px rgba(14,42,92,.55)}
.hero-art img{width:100%;height:auto;display:block}
/* On dark sections the near-black art panels blend into the background — give
   them a lighter, blue-tinted frame and a drop shadow so each card stands out. */
section.dk .hero-art{background:linear-gradient(160deg,#122856,#0b1a3c);border-color:rgba(120,168,255,.30);box-shadow:0 26px 60px -26px rgba(0,0,0,.72),0 0 0 1px rgba(120,168,255,.06)}
.card-art{height:130px;overflow:hidden;border-bottom:1px solid var(--line);background:#060F26}
.card-art img{width:100%;height:130px;object-fit:cover;display:block}
.post-photo{background:#060F26}
.post-photo img{width:100%;height:170px;object-fit:cover;display:block}
.article-hero{background:#060F26;border:1px solid var(--line)}
.article-hero img{width:100%;height:340px;object-fit:cover;display:block}
figure.fig{margin:34px 0}
figure.fig .hero-art{box-shadow:0 24px 60px -30px rgba(14,42,92,.5)}
figure.fig figcaption{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-top:10px;text-align:center}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery figure{margin:0}
.gallery figcaption{font-size:14px;color:var(--ink-2);margin-top:12px}
.gallery figcaption b{font-family:var(--display);display:block;color:var(--ink);font-size:15.5px;margin-bottom:3px}
section.dk .gallery figcaption{color:var(--dk-sub)}
section.dk .gallery figcaption b{color:#fff}
section.dk .hero-art,section.dk .card-art{border-color:var(--dk-line)}
@media(max-width:920px){
  .gallery{grid-template-columns:1fr}
  .article-hero,.article-hero img{height:220px}
  .hero-art{margin-top:26px}
}

/* Hero split: as a class rather than an inline style, so the mobile
   breakpoint below can actually override it. */
.split.hero-split{grid-template-columns:1.14fr .86fr;gap:46px;align-items:center}
.split.hero-split.even{grid-template-columns:1.06fr .94fr}
@media(max-width:920px){
  .split.hero-split,.split.hero-split.even{grid-template-columns:1fr;gap:0}
}

/* Below ~620px the brand, the CTA and the menu button no longer fit on one
   row and the CTA overlapped the logo. The mobile menu already carries a
   "Free Audit" link, so drop the duplicate button there. */
@media(max-width:620px){
  header nav>.btn-primary{display:none}
  .brand{font-size:15.5px}
}

/* ══════════ ARTICLE TEMPLATE (redesign) ══════════
   Was: one 740px column with a Key-takeaways box and a table-of-contents box
   stacked before the copy — 615px of furniture before the first heading, and a
   dead right half. Now: content starts immediately, the contents list lives in
   a sticky sidebar that tracks your position, and a reading bar shows progress. */
.article-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:64px;
  max-width:1108px;margin:0 auto;align-items:start;
}
.article-main{min-width:0}
.article-main .prose{max-width:none;margin:0}

/* reading progress */
.readbar{position:fixed;top:0;left:0;height:3px;width:100%;z-index:200;transform-origin:0 50%;
  transform:scaleX(0);background:var(--grad);pointer-events:none;will-change:transform}
@media(prefers-reduced-motion:reduce){.readbar{transition:none}}

/* sticky contents */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.toc-nav h4{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);font-weight:500;margin-bottom:13px}
.toc-nav ol{list-style:none;margin:0;padding:0}
.toc-nav a{display:block;padding:7px 0 7px 15px;border-left:2px solid var(--line);
  font-size:13.5px;line-height:1.45;color:var(--muted);transition:color .18s,border-color .18s}
.toc-nav a:hover{color:var(--ink-2);border-color:var(--line-2)}
.toc-nav a.active{color:var(--blue);border-color:var(--blue);font-weight:600}
.side-cta{border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--surface)}
.side-cta p{font-size:13px;color:var(--ink-2);line-height:1.5;margin-bottom:12px}
.side-cta .btn{width:100%;justify-content:center;padding:11px 14px;font-size:13.5px}

/* collapsible contents for narrow screens */
.toc-mobile{display:none;border:1px solid var(--line);border-radius:14px;background:var(--surface);
  margin-bottom:32px;overflow:hidden}
.toc-mobile>summary{cursor:pointer;list-style:none;padding:15px 20px;font-family:var(--display);
  font-weight:600;font-size:14.5px;display:flex;justify-content:space-between;align-items:center}
.toc-mobile>summary::-webkit-details-marker{display:none}
.toc-mobile>summary::after{content:"+";color:var(--blue);font-size:19px;line-height:1}
.toc-mobile[open]>summary::after{content:"−"}
.toc-mobile ol{margin:0 0 6px 0;padding:0 20px 14px 38px;font-size:14px;color:var(--ink-2)}
.toc-mobile li{margin-bottom:7px}
.toc-mobile a:hover{color:var(--blue)}

/* hero art now spans the content column instead of sitting 120px wider */
.article-hero{max-width:none;margin:0 0 36px;height:auto;border-radius:18px}
.article-hero img{height:auto;aspect-ratio:5/2;object-fit:cover}

/* key takeaways — lighter, and clearly a pull-out rather than a second panel */
.key-take{border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:0 14px 14px 0;
  background:linear-gradient(100deg,rgba(27,114,240,.055),rgba(77,163,255,.02));
  padding:22px 26px;margin:0 0 34px}
.key-take h4{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--blue);font-weight:500;margin-bottom:12px}
.key-take ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.key-take li{font-size:15px;line-height:1.55;color:var(--ink-2);padding-left:20px;position:relative}
.key-take li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:2px;background:var(--blue);opacity:.55}

/* typography rhythm */
.prose>p:first-of-type{font-size:18.5px;line-height:1.62;color:var(--ink-2)}
.prose h2{scroll-margin-top:96px;font-size:29px;margin:46px 0 15px;letter-spacing:-.02em}
.prose h2:first-child{margin-top:0}
.prose h3{scroll-margin-top:96px;margin:32px 0 10px}
.prose h4{scroll-margin-top:96px;font-family:var(--display);font-weight:600;font-size:18px;margin:26px 0 8px;letter-spacing:-.01em}
.prose h5{scroll-margin-top:96px;font-family:var(--display);font-weight:600;font-size:15.5px;margin:22px 0 6px}
.prose h6{scroll-margin-top:96px;font-family:var(--mono);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:22px 0 6px}
.prose h2+p,.prose h3+p,.prose h4+p,.prose h5+p,.prose h6+p{margin-top:0}

.author{background:var(--bg-2);border:1px solid var(--line);border-top:1px solid var(--line);
  border-radius:16px;padding:20px 22px;margin-top:44px}

@media(max-width:1040px){
  .article-grid{grid-template-columns:1fr;max-width:760px;gap:0}
  .article-side{display:none}
  .toc-mobile{display:block}
}
@media(max-width:920px){
  .prose h2{font-size:25px;margin:38px 0 13px}
  .prose>p:first-of-type{font-size:17px}
  .key-take{padding:18px 20px}
}