/* AI Demystified — shared styles
   Brand: deep navy, cyan + mint (from the node logo), Syne + DM Sans. */
:root{
  --deep:#060B16;
  --navy:#0A0F1E;
  --card:#0D1526;
  --card-2:#111C33;
  --line:#1C2C4A;
  --line-soft:#142038;
  --text:#E8EEF8;
  --muted:#B3C0D4;
  --dim:#8292AB;
  --cyan:#38BDF8;
  --cyan2:#0EA5E9;
  --mint:#34D399;
  --amber:#FBBF24;

  --display:"Syne","Helvetica Neue",Arial,sans-serif;
  --body:"DM Sans","Helvetica Neue",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --maxw:1160px;
  --gut:clamp(20px,5vw,56px);
  --hdr:72px;

  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 12px + env(safe-area-inset-top,0px));-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--deep);color:var(--text);font-family:var(--body);font-size:18px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%}
a{color:inherit}
::selection{background:var(--cyan2);color:#fff}

/* reading level (home page) */
body:not(.tech) .t{display:none}
body.tech .p{display:none}

.wrap{position:relative;z-index:1;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.narrow{max-width:780px}

h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.025em;line-height:1.08;margin:0;text-wrap:balance;color:#fff}
h1{font-size:clamp(2.5rem,6vw,4.3rem);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(1.85rem,3.6vw,2.7rem)}
h3{font-size:clamp(1.1rem,1.7vw,1.28rem);line-height:1.28}
p{margin:0}
.lede{font-size:clamp(1.06rem,1.6vw,1.18rem);color:var(--muted);max-width:62ch}
.small{font-size:.94rem;color:var(--muted)}
.tag{display:inline-block;font-size:.84rem;font-weight:600;color:var(--cyan);margin-bottom:14px}
.accent{color:var(--cyan)}

section{padding-block:clamp(70px,9vw,116px);position:relative;z-index:1}
.sec-head{max-width:64ch;margin-bottom:clamp(34px,5vw,54px)}
.sec-head .lede{margin-top:16px}
.band{background:var(--navy);border-block:1px solid var(--line-soft)}

/* header */
header.site{position:sticky;top:0;z-index:60;background:rgba(6,11,22,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);padding-top:env(safe-area-inset-top,0px)}
.nav{height:var(--hdr);display:flex;align-items:center;justify-content:space-between;gap:18px;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;font-family:var(--display);font-weight:800;font-size:1.2rem;letter-spacing:-.02em;color:#fff;white-space:nowrap}
.logo img{width:30px;height:30px;border-radius:7px}
.logo .ai{color:var(--cyan)}
.navlinks{display:flex;gap:22px;align-items:center}
.navlinks a{text-decoration:none;font-size:.92rem;font-weight:500;color:var(--muted);white-space:nowrap}
.navlinks a:hover{color:#fff}
.navlinks a.btn-primary{color:#fff}
.navlinks a.btn-primary:hover{color:var(--deep)}
.navlinks a.btn-buy{color:#04241A}
.right{display:flex;align-items:center;gap:12px}
.level{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--card)}
.level button{border:0;background:none;color:var(--dim);font-family:var(--body);font-size:.8rem;font-weight:600;padding:6px 13px;border-radius:999px;cursor:pointer;white-space:nowrap}
.level button[aria-pressed="true"]{background:var(--cyan2);color:#fff}
.level .sh{display:none}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;color:#fff;width:42px;height:40px;cursor:pointer;font-size:1.15rem}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;cursor:pointer;font-family:var(--body);
  font-weight:600;font-size:.98rem;padding:14px 24px;border-radius:10px;border:1px solid transparent;transition:background .16s,border-color .16s,color .16s;white-space:nowrap}
.btn-primary{background:var(--cyan2);color:#fff}
.btn-primary:hover{background:var(--cyan);color:var(--deep)}
.btn-ghost{border-color:var(--line);color:#fff;background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-buy{background:var(--mint);color:#04241A;font-weight:700}
.btn-buy:hover{background:#5EE3B2}
.btn-sm{padding:10px 18px;font-size:.88rem}
.btn-lg{padding:17px 30px;font-size:1.05rem}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:8px}

/* hero */
.hero{padding-top:clamp(56px,8vw,100px);padding-bottom:clamp(48px,6vw,72px);overflow:hidden}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(900px 500px at 15% 0%,rgba(14,165,233,.16),transparent 60%),linear-gradient(to bottom,transparent 60%,var(--deep))}
.status{display:inline-flex;align-items:center;gap:9px;font-size:.85rem;color:var(--muted);border:1px solid var(--line);background:rgba(13,21,38,.7);
  border-radius:999px;padding:6px 15px;margin-bottom:28px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 3px rgba(52,211,153,.18)}
.hero h1{max-width:15ch}
.hero .lede{margin-top:24px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.hint{margin-top:26px;font-size:.92rem;color:var(--dim)}
.hint strong{color:#fff}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:14px;overflow:hidden;margin-top:clamp(44px,6vw,64px)}
.stats div{background:rgba(13,21,38,.85);padding:20px 22px}
.stats b{display:block;font-family:var(--display);font-weight:800;font-size:clamp(1.7rem,3vw,2.2rem);letter-spacing:-.03em;color:#fff;line-height:1.1}
.stats b small{font-size:.55em;color:var(--cyan);margin-left:2px}
.stats span{font-size:.9rem;color:var(--muted)}

/* positioning compare */
.compare{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.compare>div{padding:clamp(24px,3vw,36px)}
.compare .them{background:var(--card)}
.compare .us{background:linear-gradient(160deg,rgba(14,165,233,.13),var(--card-2));border-left:1px solid var(--line)}
.compare h3{margin-bottom:18px}
.compare .them h3{color:var(--muted)}
.compare ul{list-style:none;margin:0;padding:0;display:grid;gap:13px}
.compare li{display:grid;grid-template-columns:24px 1fr;gap:10px;font-size:.98rem;color:var(--muted)}
.compare .them li::before{content:"–";color:var(--dim);font-weight:700}
.compare .us li{color:var(--text)}
.compare .us li::before{content:"✓";color:var(--mint);font-weight:700}

/* pipeline */
.track{height:2px;background:var(--line);border-radius:2px;position:relative;overflow:hidden;margin-bottom:22px}
.track b{position:absolute;inset-block:0;width:18%;background:linear-gradient(90deg,transparent,var(--cyan),var(--mint),transparent);animation:run 10s linear infinite}
@keyframes run{from{left:-20%}to{left:102%}}
@media (prefers-reduced-motion:reduce){.track b{animation:none;left:0;width:100%;opacity:.4}}
.stages{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;list-style:none;margin:0;padding:0}
.stage{background:var(--card);border:1px solid var(--line-soft);border-radius:12px;padding:20px 18px 22px}
.stage .n{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.35);
  font-family:var(--mono);font-size:.78rem;color:var(--cyan);margin-bottom:14px}
.stage h3{font-size:1.06rem;margin-bottom:8px}
.stage p{font-size:.93rem;color:var(--muted);line-height:1.55}

/* doors */
.doors{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.door{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:clamp(26px,3vw,36px);display:flex;flex-direction:column;gap:14px}
.door .who{font-size:.88rem;font-weight:600;color:var(--mint)}
.door h3{font-size:clamp(1.25rem,2vw,1.5rem)}
.door p{color:var(--muted);font-size:1rem}
.ticks{list-style:none;margin:4px 0 8px;padding:0;display:grid;gap:10px}
.ticks li{display:grid;grid-template-columns:22px 1fr;gap:8px;font-size:.98rem;color:var(--text)}
.ticks li::before{content:"✓";color:var(--mint);font-weight:700}
.door .btn{margin-top:auto;align-self:flex-start}

/* bridge */
.bridge{display:grid;grid-template-columns:1fr auto 1.1fr auto 1fr;align-items:stretch}
.col{border:1px solid var(--line);border-radius:14px;background:var(--card);padding:22px 20px}
.col.mid{background:linear-gradient(160deg,rgba(14,165,233,.15),var(--card-2));border-color:rgba(56,189,248,.45)}
.col h3{font-size:1rem;margin-bottom:6px}
.col .cap{font-size:.86rem;color:var(--dim);display:block;margin-bottom:14px}
.pills{display:grid;gap:8px}
.pill{border:1px solid var(--line-soft);background:rgba(6,11,22,.6);border-radius:9px;padding:10px 13px;font-size:.94rem}
.col.mid .pill{border-color:rgba(56,189,248,.28)}
.col.out .pill{border-color:rgba(52,211,153,.3)}
.arrow{display:grid;place-items:center;padding-inline:12px;color:var(--cyan);font-size:1.3rem}
.gate{margin-top:14px;font-size:.86rem;color:var(--amber);display:flex;align-items:center;gap:8px}
.gate::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--amber)}

/* capability stack */
.stack{border:1px solid var(--line);border-radius:14px;overflow:hidden}
.layer{display:grid;grid-template-columns:280px 1fr;gap:clamp(14px,3vw,40px);padding:24px clamp(20px,3vw,30px);background:var(--card);border-bottom:1px solid var(--line-soft)}
.layer:nth-child(even){background:var(--card-2)}
.layer:last-child{border-bottom:0}
.layer h3{font-size:1.08rem}
.layer .sub{display:block;font-size:.84rem;color:var(--cyan);margin-top:6px;font-weight:500}
.layer .p,.layer .t{font-size:.99rem;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.chips i{font-style:normal;font-family:var(--mono);font-size:.74rem;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:3px 9px;background:rgba(6,11,22,.5)}
.callout{margin-top:26px;border-left:3px solid var(--cyan);padding:6px 0 6px 20px;max-width:66ch}
.callout p{color:#fff;font-size:1.06rem}

/* work */
.work{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:18px}
.case{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:28px 26px;display:flex;flex-direction:column;gap:12px}
.case.feature{background:linear-gradient(165deg,rgba(52,211,153,.10),var(--card-2) 55%)}
.case .client{font-size:.88rem;font-weight:600;color:var(--mint)}
.case h3{font-size:1.2rem}
.case .p,.case .t{font-size:.97rem;color:var(--muted)}
.case .scope{margin-top:auto;padding-top:16px;border-top:1px solid var(--line-soft);display:flex;flex-wrap:wrap;gap:7px}
.case .scope span{font-size:.8rem;color:var(--text);background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.22);border-radius:999px;padding:3px 11px}
.industries{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.industries span{font-size:.88rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 14px}

/* services */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{border:1px solid var(--line);border-radius:14px;background:var(--card);padding:26px 24px;display:flex;flex-direction:column;gap:10px;transition:border-color .18s}
.card:hover{border-color:rgba(56,189,248,.4)}
.card .k{font-size:.84rem;font-weight:600;color:var(--cyan)}
.card h3{font-size:1.14rem}
.card .p,.card .t{font-size:.96rem;color:var(--muted);line-height:1.6}
.card .foot{margin-top:auto;padding-top:14px;font-size:.84rem;color:var(--dim)}

/* before/after */
.flips{display:grid;gap:12px}
.flip{border:1px solid var(--line);border-radius:14px;background:var(--card)}
.flip summary{list-style:none;cursor:pointer;padding:20px clamp(20px,3vw,28px);display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:var(--display);font-weight:700;font-size:1.1rem;color:#fff}
.flip summary::-webkit-details-marker{display:none}
.plus{color:var(--cyan);font-size:1.3rem;line-height:1;transition:transform .2s}
details[open] .plus{transform:rotate(45deg)}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:0 clamp(20px,3vw,28px) 24px}
.ba div{border-radius:10px;padding:16px 18px;background:rgba(6,11,22,.6)}
.ba .lbl{font-size:.82rem;font-weight:600;display:block;margin-bottom:6px}
.ba .b .lbl{color:var(--dim)}
.ba .a .lbl{color:var(--mint)}
.ba p{font-size:.97rem;color:var(--muted);line-height:1.6}

/* tech stack */
.techgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.tcat{border:1px solid var(--line);border-radius:14px;background:var(--card);padding:22px 20px}
.tcat h3{font-size:.98rem;color:var(--cyan);margin-bottom:14px}
.tcat ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.tcat li{font-size:.92rem;color:var(--muted);padding-bottom:9px;border-bottom:1px solid var(--line-soft)}
.tcat li:last-child{border-bottom:0;padding-bottom:0}

/* open */
.open{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,60px);align-items:start}
.plainbox{border:1px solid var(--line);border-radius:14px;background:var(--card);padding:24px}
.plainbox h3{font-size:1rem;margin-bottom:14px}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:12px;counter-reset:s}
.steps li{display:grid;grid-template-columns:28px 1fr;gap:10px;font-size:.97rem;color:var(--muted);counter-increment:s}
.steps li::before{content:counter(s);font-family:var(--mono);font-size:.8rem;color:var(--cyan);padding-top:3px}
.logbox{border:1px solid var(--line);border-radius:14px;background:#040812;overflow:hidden}
.logbar{padding:11px 16px;border-bottom:1px solid var(--line-soft);font-family:var(--mono);font-size:.76rem;color:var(--dim)}
.log{margin:0;padding:18px;font-family:var(--mono);font-size:.8rem;line-height:1.95;color:var(--muted);overflow-x:auto}
.log em{color:var(--cyan);font-style:normal}
.log b{color:var(--mint);font-weight:400}

/* book teaser */
.book{border:1px solid var(--line);border-radius:18px;background:linear-gradient(135deg,rgba(52,211,153,.10),var(--card-2) 46%,var(--card));
  display:grid;grid-template-columns:auto 1fr;gap:clamp(28px,4vw,52px);padding:clamp(28px,4vw,50px);align-items:center}
.price{display:flex;align-items:baseline;gap:12px;margin-top:22px;flex-wrap:wrap}
.price b{font-family:var(--display);font-size:2.6rem;font-weight:800;letter-spacing:-.04em;color:#fff}
.price span{font-size:.94rem;color:var(--muted)}

/* book cover (CSS) */
.cover{width:220px;aspect-ratio:3/4;border-radius:6px 14px 14px 6px;position:relative;flex:none;
  background:linear-gradient(155deg,#0E1B35 0%,#081226 60%,#050A15 100%);border:1px solid #23406B;
  box-shadow:18px 22px 50px rgba(0,0,0,.5),inset 6px 0 0 rgba(255,255,255,.04);padding:22px 20px;display:flex;flex-direction:column;overflow:hidden}
.cover::before{content:"";position:absolute;right:-40px;top:-40px;width:170px;height:170px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.35),transparent 65%)}
.cover .num{font-family:var(--display);font-weight:800;font-size:4.2rem;line-height:.9;color:var(--cyan);letter-spacing:-.05em;position:relative}
.cover .ttl{font-family:var(--display);font-weight:800;font-size:1.06rem;line-height:1.15;color:#fff;margin-top:10px;position:relative}
.cover .sub{font-size:.66rem;color:var(--muted);margin-top:10px;line-height:1.45;position:relative}
.cover .by{margin-top:auto;display:flex;align-items:center;gap:7px;font-family:var(--display);font-weight:800;font-size:.72rem;color:#fff;position:relative}
.cover .by img{width:18px;height:18px;border-radius:4px}
.cover .net{position:absolute;inset:auto 0 42px 0;height:90px;opacity:.55}
.cover.lg{width:min(300px,78vw)}
.cover.lg .num{font-size:5.6rem}
.cover.lg .ttl{font-size:1.42rem}
.cover.lg .sub{font-size:.8rem}

/* engagement */
.engage{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,60px);align-items:start}
.panel{border:1px solid var(--line);border-radius:16px;background:var(--card-2);padding:30px 28px}
.panel .k{font-size:.86rem;font-weight:600;color:var(--mint)}
.panel h3{font-size:1.8rem;font-weight:800;letter-spacing:-.03em;margin:10px 0 12px}
.panel p{font-size:.98rem;color:var(--muted)}
.panel .btn{margin-top:22px;width:100%}

/* founder */
.founder{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(28px,5vw,60px);align-items:center}
.portrait{aspect-ratio:4/5;border-radius:18px;border:1px solid var(--line);position:relative;overflow:hidden;
  background:radial-gradient(circle at 50% 38%,rgba(56,189,248,.25),transparent 60%),var(--card-2);display:grid;place-items:center}
.portrait b{font-family:var(--display);font-size:5.5rem;font-weight:800;color:rgba(232,238,248,.85)}
.portrait small{position:absolute;bottom:16px;left:0;right:0;text-align:center;font-size:.8rem;color:var(--dim)}
.portrait img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.founder .lede+.lede{margin-top:16px}

/* faq */
.faq details{border-bottom:1px solid var(--line-soft);padding:20px 0}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:18px;font-family:var(--display);font-weight:700;font-size:1.08rem;color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq details p{margin-top:12px;color:var(--muted);max-width:72ch;font-size:1rem}

/* forms */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,60px);align-items:start}
form.stack-form{display:grid;gap:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-size:.9rem;font-weight:500;color:var(--muted);margin-bottom:7px}
input,select,textarea{width:100%;background:var(--card);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:13px 15px;font-family:var(--body);font-size:1rem}
input:focus,select:focus,textarea:focus{border-color:var(--cyan)}
textarea{min-height:130px;resize:vertical}
input::placeholder,textarea::placeholder{color:#62728C}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.inline{display:flex;gap:10px;flex-wrap:wrap}
.inline input{flex:1 1 220px}
.fineprint{font-size:.84rem;color:var(--dim);margin-top:12px}
.fineprint a{color:var(--cyan);text-decoration:none}
.reach{margin-top:20px;font-size:.98rem;color:var(--muted)}
.reach a{color:#fff}

/* footer */
footer.site{border-top:1px solid var(--line-soft);padding-block:44px;position:relative;z-index:1}
.foot{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap}
.foot-links{display:flex;gap:10px 22px;flex-wrap:wrap}
.foot a{color:var(--muted);text-decoration:none;font-size:.9rem}
.foot a:hover{color:#fff}
.foot small{display:block;margin-top:12px;color:var(--dim);font-size:.84rem}

/* legal pages */
.legal main{padding-block:clamp(48px,7vw,84px)}
.legal h1{font-size:clamp(2rem,4vw,2.6rem)}
.legal .updated{color:var(--dim);font-size:.9rem;margin:10px 0 36px}
.legal h2{font-size:1.25rem;margin:36px 0 12px}
.legal p,.legal li{color:var(--muted);font-size:1rem;margin-bottom:12px}
.legal ul{padding-left:1.3rem}
.legal a{color:var(--cyan);text-decoration:none}
.legal a.btn{color:#fff}
.legal .note{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:18px 20px;margin:24px 0}
.legal .note p{margin:0;color:var(--text)}

/* simple centered pages */
.center-page{min-height:calc(100vh - var(--hdr));display:grid;place-items:center;padding:48px var(--gut)}
.center-card{max-width:560px;text-align:center}
.center-card .icon{width:72px;height:72px;border-radius:50%;margin:0 auto 26px;display:grid;place-items:center;font-size:1.8rem;
  background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.35);color:var(--mint)}
.center-card .icon.warn{background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.35);color:var(--amber)}
.center-card h1{font-size:clamp(2rem,4.5vw,2.6rem)}
.center-card p{color:var(--muted);margin-top:16px}
.center-card .actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* responsive */
@media (max-width:1240px){
  .navlinks{display:none}
  .burger{display:block}
  .navlinks.open{display:flex;position:absolute;top:calc(var(--hdr) + env(safe-area-inset-top,0px));left:0;right:0;background:var(--deep);
    flex-direction:column;align-items:stretch;gap:0;padding:6px var(--gut) 18px;border-bottom:1px solid var(--line)}
  .navlinks.open a{padding:13px 0;border-bottom:1px solid var(--line-soft)}
  .navlinks.open .btn{margin-top:14px;border-bottom:0}
}
@media (max-width:1060px){
  .stages{grid-template-columns:repeat(2,1fr)}
  .stage:last-child{grid-column:1/-1}
  .svc,.work{grid-template-columns:1fr 1fr}
  .case.feature{grid-column:1/-1}
  .techgrid{grid-template-columns:repeat(3,1fr)}
  .open,.engage,.founder,.contact{grid-template-columns:1fr}
  .layer{grid-template-columns:1fr;gap:6px}
  .bridge{grid-template-columns:1fr}
  .arrow{padding:10px 0;transform:rotate(90deg)}
  .portrait{max-width:320px}
  .stats{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  body{font-size:17px}
  .doors,.svc,.work,.stages,.row2,.ba,.compare,.techgrid{grid-template-columns:1fr}
  .compare .us{border-left:0;border-top:1px solid var(--line)}
  .book{grid-template-columns:1fr}
  .level .lg{display:none}
  .level .sh{display:inline}
  .logo{font-size:1.05rem}
  .logo img{width:26px;height:26px}
}
@media (max-width:380px){ .logo .word{display:none} }

/* ---------- v3 additions ---------- */
.vision{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
.vision .big{font-family:var(--display);font-weight:700;font-size:clamp(1.35rem,2.4vw,1.8rem);line-height:1.3;color:#fff;letter-spacing:-.015em}
.vision .big em{font-style:normal;color:var(--cyan)}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:clamp(36px,5vw,52px)}
.pillar{border:1px solid var(--line);border-radius:14px;background:var(--card);padding:22px 20px}
.pillar .n{font-family:var(--mono);font-size:.78rem;color:var(--cyan)}
.pillar h3{font-size:1.08rem;margin:8px 0 8px}
.pillar p{font-size:.95rem;color:var(--muted);line-height:1.55}
.pillar .chips{margin-top:12px}
.help{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.helpcard{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:28px 26px;display:flex;flex-direction:column;gap:12px}
.helpcard.book{background:linear-gradient(165deg,rgba(52,211,153,.10),var(--card-2) 60%)}
.helpcard .who{font-size:.88rem;font-weight:600;color:var(--mint)}
.helpcard h3{font-size:1.3rem}
.helpcard p{font-size:.98rem;color:var(--muted)}
.helpcard .ticks li{font-size:.95rem}
.helpcard .btn{margin-top:auto;align-self:flex-start}
.stages.four{grid-template-columns:repeat(4,1fr)}
.note-line{margin-top:22px;font-size:.98rem;color:var(--muted)}
.note-line strong{color:#fff}
.monogram{aspect-ratio:1/1;max-width:260px;border-radius:20px;border:1px solid var(--line);display:grid;place-items:center;
  background:radial-gradient(circle at 50% 40%,rgba(56,189,248,.28),transparent 62%),var(--card-2)}
.monogram b{font-family:var(--display);font-size:5rem;font-weight:800;color:#fff;letter-spacing:-.04em}
@media (max-width:1060px){.pillars{grid-template-columns:1fr 1fr}.help{grid-template-columns:1fr}.vision{grid-template-columns:1fr}.stages.four{grid-template-columns:1fr 1fr}.stages.four .stage:last-child{grid-column:auto}}
@media (max-width:700px){.pillars,.stages.four{grid-template-columns:1fr}}

.case > p{font-size:.97rem;color:var(--muted);line-height:1.6}