:root{
  --navy:#172642;--navy2:#071a32;--navy3:#0d2b5e;--steel:#28466e;--teal:#1a7a6e;--teal2:#2db6a4;--gold:#c79a2e;--gold2:#e1bc60;--coral:#993c1d;--red:#be2f2f;--cream:#faf7ef;--cream2:#efe7d7;--paper:#f4efe6;--ink:#172642;--muted:#5d6977;--line:rgba(23,38,66,.14);--white:#fff;
  --max:1160px;--radius:18px;--shadow:0 22px 70px rgba(7,26,50,.16);--font-head:Arial,Helvetica,sans-serif;--font-body:Calibri,Candara,Segoe UI,Arial,sans-serif
}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--white);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img,svg{max-width:100%;display:block}p,h1,h2,h3{margin-top:0}.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy);color:white;padding:12px 16px;z-index:999}.skip-link:focus{left:0}
.site-header{position:sticky;top:0;z-index:70;background:rgba(7,26,50,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(244,239,230,.1)}.nav{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;padding:13px 22px}.brand{display:flex;align-items:center;gap:12px;color:white;font-family:var(--font-head);font-weight:800;letter-spacing:.1em;text-transform:uppercase;font-size:14px}.brand-logo{width:46px;height:34px;object-fit:contain;filter:brightness(0) invert(1);opacity:.98}.brand span:last-child{white-space:nowrap}.nav-links{display:flex;gap:24px;align-items:center;color:rgba(255,255,255,.82);font-size:15px}.nav-links a{position:relative}.nav-links a:hover,.nav-links a.active{color:var(--gold2)}.nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:-18px;height:2px;background:var(--gold2)}.nav-cta{border:1px solid rgba(199,154,46,.72);padding:9px 15px;border-radius:999px;color:var(--gold2)!important;background:rgba(199,154,46,.08)}.menu-btn{display:none;background:transparent;border:0;color:var(--gold2);font-size:28px}.mobile-panel{display:none;background:var(--navy2);border-top:1px solid rgba(255,255,255,.08)}.mobile-panel a{display:block;color:white;padding:15px 22px;border-bottom:1px solid rgba(255,255,255,.08)}.mobile-panel a.active{color:var(--gold2)}
.section{padding:82px 22px}.section.compact{padding:52px 22px}.section.navy{background:var(--navy);color:white}.section.deep{background:var(--navy2);color:white}.section.cream{background:var(--cream)}.inner{max-width:var(--max);margin:auto}.hero{position:relative;overflow:hidden;background:radial-gradient(ellipse 80% 60% at 80% 20%,rgba(45,182,164,.22),transparent 52%),radial-gradient(ellipse 70% 55% at 12% 85%,rgba(199,154,46,.16),transparent 55%),linear-gradient(135deg,var(--navy2),var(--navy3) 56%,#21385f);color:white;padding:96px 22px}.hero:before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(92deg,transparent 0,transparent 42px,rgba(127,240,222,.034) 43px,rgba(127,240,222,.034) 44px);mix-blend-mode:screen}.hero:after{content:"";position:absolute;right:-120px;bottom:-175px;width:560px;height:560px;background:url('../images/cshark-mark.png') center/contain no-repeat;opacity:.07;filter:brightness(2)}.hero .inner{position:relative;z-index:1}.hero.compact-hero{padding:76px 22px}.breadcrumbs{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:24px}.breadcrumbs a{color:var(--gold2)}
.eyebrow{font-family:var(--font-head);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--coral);font-weight:800;margin-bottom:14px}.navy .eyebrow,.deep .eyebrow,.hero .eyebrow{color:var(--gold2)}h1{font-family:var(--font-head);font-size:clamp(38px,6vw,72px);line-height:1.02;letter-spacing:-.045em;margin-bottom:22px;max-width:960px}h2{font-family:var(--font-head);font-size:clamp(29px,4vw,46px);line-height:1.1;letter-spacing:-.035em;margin-bottom:18px;max-width:930px}h3{font-family:var(--font-head);font-size:22px;line-height:1.18;margin-bottom:10px}.lead{font-size:clamp(19px,2vw,24px);line-height:1.38;max-width:850px;color:rgba(255,255,255,.84);margin-bottom:30px}.sublead{font-size:20px;max-width:850px;color:var(--muted);margin-bottom:30px}.navy .sublead,.deep .sublead{color:rgba(255,255,255,.76)}.kicker{font-size:15px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal2);font-weight:700}.cta-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--gold);color:var(--navy2);font-family:var(--font-head);font-weight:800;border-radius:999px;padding:14px 20px;min-height:48px;box-shadow:0 12px 28px rgba(199,154,46,.22)}.button.secondary{background:transparent;color:white;border:1px solid rgba(255,255,255,.3);box-shadow:none}.button.light{background:white;color:var(--navy)}.text-link{font-weight:800;color:var(--coral)}.navy .text-link,.deep .text-link{color:var(--gold2)}
.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 1px 0 rgba(0,0,0,.02)}.card.dark{background:linear-gradient(160deg,var(--navy2),#203d67);color:white;border:0;box-shadow:var(--shadow)}.card.goldline{border-top:4px solid var(--gold)}.card.coralline{border-left:4px solid var(--coral)}.card .meta{font-family:var(--font-head);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-weight:800;margin-bottom:10px}.card p:last-child{margin-bottom:0}.muted{color:var(--muted)}.navy .muted,.deep .muted,.card.dark .muted{color:rgba(255,255,255,.74)}
.signal-card{background:linear-gradient(180deg,#fff,var(--cream));border-left:4px solid var(--gold);border-radius:0 16px 16px 0;padding:22px;position:relative;overflow:hidden}.signal-card:after{content:"";position:absolute;right:-28px;bottom:-28px;width:92px;height:92px;background:url('../images/cshark-mark.png') center/contain no-repeat;opacity:.06}.signal-number{font-family:var(--font-head);font-weight:800;font-size:45px;letter-spacing:-.04em;line-height:1;color:var(--navy);margin-bottom:8px}.signal-label{font-family:var(--font-head);font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--coral);font-weight:800}.source{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:9px}.proof-strip{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:stretch}.quote{border-left:4px solid var(--gold);padding-left:20px;font-size:22px;font-style:italic;line-height:1.35}.logo-pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.pill{border:1px solid rgba(199,154,46,.5);background:rgba(255,255,255,.06);border-radius:999px;padding:6px 11px;font-size:12px;letter-spacing:.06em;text-transform:uppercase}.phase{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;align-items:stretch}.phase-step{background:white;border:1px solid var(--line);border-radius:16px;padding:18px;position:relative}.phase-step.gate{background:var(--navy);color:white;border:0}.phase-step:after{content:"→";position:absolute;right:-15px;top:50%;transform:translateY(-50%);color:var(--gold);font-weight:800}.phase-step:last-child:after{display:none}.tier{position:relative;overflow:hidden}.tier.featured{border:2px solid var(--gold);box-shadow:var(--shadow)}.badge{position:absolute;right:18px;top:18px;background:var(--gold);color:var(--navy);font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;border-radius:999px;padding:5px 9px}.includes{margin:16px 0 0;padding:14px 0 0;border-top:1px solid var(--line)}.includes li{margin-bottom:8px}.image-card{border-radius:var(--radius);overflow:hidden;background:var(--cream);border:1px solid var(--line);box-shadow:var(--shadow)}.image-card img{width:100%;height:auto}.caption{padding:18px 22px;font-style:italic;color:var(--muted)}.caption strong{color:var(--coral);font-style:normal}.radar-wrap{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.matrix{display:grid;grid-template-columns:100px repeat(3,1fr);gap:8px;align-items:stretch}.matrix .axis{font-family:var(--font-head);font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:800;color:var(--muted);display:grid;place-items:center;text-align:center}.matrix-cell{border-radius:14px;min-height:112px;padding:15px;background:white;border:1px solid var(--line)}.matrix-cell.moat{background:linear-gradient(160deg,rgba(199,154,46,.2),white);border:2px solid var(--gold)}.matrix-cell.trap{background:linear-gradient(160deg,rgba(153,60,29,.14),white);border:2px solid rgba(153,60,29,.45)}.matrix-cell h3{font-size:18px;margin-bottom:5px}
.newsletter-card{display:grid;grid-template-columns:1fr 1.1fr;gap:0;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);background:white}.newsletter-art{min-height:330px;background:url('../images/ai-warning-signs-masthead.png') center/cover no-repeat;position:relative;overflow:hidden}.newsletter-art:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,26,50,.02),rgba(7,26,50,.42))}.newsletter-content{padding:34px}.masthead-card{overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);background:white;border:1px solid var(--line)}.masthead-card img{width:100%;height:auto}.masthead-caption{padding:18px 22px;color:var(--muted);font-size:15px}.visual-system{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.visual-card{background:white;border-radius:16px;border:1px solid var(--line);padding:18px;position:relative;overflow:hidden}.visual-card:before{content:"";position:absolute;right:-24px;top:-24px;width:80px;height:80px;background:url('../images/cshark-mark.png') center/contain no-repeat;opacity:.035}.symbol{width:54px;height:54px;border-radius:16px;background:linear-gradient(160deg,var(--navy2),var(--steel));margin-bottom:14px;position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}.symbol svg{width:100%;height:100%;padding:10px}.symbol svg *{vector-effect:non-scaling-stroke}.risk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.risk-card{background:white;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 10px 28px rgba(7,26,50,.06)}.risk-card .risk-top{display:flex;align-items:center;gap:14px;margin-bottom:12px}.risk-icon{width:62px;height:62px;border-radius:18px;background:linear-gradient(160deg,var(--navy2),var(--navy3));display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(244,239,230,.08)}.risk-icon svg{width:38px;height:38px}.risk-icon .gold{stroke:var(--gold2);fill:none}.risk-icon .coral{stroke:var(--coral);fill:none}.risk-icon .cream{stroke:var(--paper);fill:none}.risk-icon .fill-gold{fill:var(--gold2)}.risk-card h3{font-size:20px;margin:0}.risk-card p{color:var(--muted);margin:0}.risk-card.vendor{border-top:4px solid var(--red)}.risk-card.agent{border-top:4px solid var(--gold)}.risk-card.reliability{border-top:4px solid var(--coral)}.risk-card.data{border-top:4px solid var(--teal)}.risk-card.ip{border-top:4px solid var(--red)}.risk-card.cost{border-top:4px solid var(--navy3)}
.footer{background:var(--navy2);color:rgba(255,255,255,.68);padding:42px 22px 90px}.footer-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:start}.footer-logo{width:210px;height:auto;filter:brightness(0) invert(1);opacity:.95}.footer a{color:white}.sticky-mobile-cta{display:none;position:fixed;z-index:80;bottom:12px;left:12px;right:12px}.sticky-mobile-cta .button{width:100%;box-shadow:0 14px 36px rgba(0,0,0,.28)}.contact-panel{background:var(--cream);border-radius:var(--radius);padding:28px;border:1px solid var(--line)}form{display:grid;gap:12px}input,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 14px;font:inherit;color:var(--ink);background:white}textarea{min-height:130px}button{border:0;cursor:pointer}
@media(max-width:1000px){.nav-links{gap:16px;font-size:14px}.grid.four{grid-template-columns:repeat(2,1fr)}.phase{grid-template-columns:1fr 1fr}.phase-step:after{display:none}.risk-grid{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.nav-links{display:none}.menu-btn{display:block}.mobile-panel.open{display:block}.section{padding:58px 18px}.hero{padding:68px 18px}.grid.two,.grid.three,.grid.four,.proof-strip,.newsletter-card{grid-template-columns:1fr}.visual-system{grid-template-columns:1fr 1fr}.matrix{grid-template-columns:1fr}.matrix .axis{min-height:auto;padding:8px;background:var(--cream);border-radius:10px}.footer-grid{grid-template-columns:1fr}.sticky-mobile-cta{display:block}body{padding-bottom:66px}h1{font-size:42px}.lead{font-size:20px}.sublead{font-size:18px}.nav{padding:12px 16px}.brand{font-size:13px}.brand-logo{width:42px;height:30px}.newsletter-art{min-height:230px}.footer-logo{width:185px}}
@media(max-width:560px){body{font-size:16px}.visual-system,.risk-grid{grid-template-columns:1fr}.signal-number{font-size:38px}.card,.risk-card{padding:20px}.quote{font-size:19px}.matrix-cell{min-height:auto}.button{width:100%}.cta-row{gap:10px}.footer{padding-bottom:96px}.risk-card .risk-top{align-items:flex-start}.risk-icon{width:56px;height:56px;min-width:56px}h1{font-size:38px}}


/* v9 updates: Shark Bytes issue library + AVRF definition */
.definition-note{max-width:820px;color:rgba(255,255,255,.72);font-size:18px;margin:-12px 0 28px;border-left:3px solid var(--gold2);padding-left:16px}
.subscribe-feature{display:grid;grid-template-columns:1.05fr .95fr;gap:0;background:white;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.subscribe-art{background:var(--navy2);display:grid;place-items:center;min-height:380px}.subscribe-art img{width:100%;height:100%;object-fit:cover}.subscribe-copy{padding:42px}.subscribe-copy p:not(.eyebrow){color:var(--muted)}.dark-outline{color:var(--navy2)!important;border-color:rgba(15,42,78,.35)!important;background:transparent!important}.issue-grid{display:grid;grid-template-columns:1fr;gap:22px;margin-top:28px}.issue-card{display:grid;grid-template-columns:320px 1fr;gap:0;background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 12px 30px rgba(7,26,50,.08)}.issue-image{display:block;background:var(--navy2);min-height:190px}.issue-image img{width:100%;height:100%;object-fit:cover;display:block}.issue-copy{padding:24px 26px}.issue-meta{font-family:var(--font-head);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--coral);font-weight:800;margin-bottom:10px}.issue-copy h3{font-size:26px;margin-bottom:10px}.issue-copy p:not(.issue-meta){color:var(--muted);margin-bottom:14px}.shark-hero{background-image:linear-gradient(110deg,rgba(7,26,50,.94),rgba(13,43,94,.84)),url('../images/ai-shark-bytes-main.png');background-position:center;background-size:cover}
@media(max-width:900px){.subscribe-feature,.issue-card{grid-template-columns:1fr}.subscribe-copy{padding:28px}.subscribe-art{min-height:260px}.issue-image{min-height:210px}.issue-copy h3{font-size:23px}}
@media(max-width:560px){.issue-copy{padding:22px}.issue-image{min-height:170px}.definition-note{font-size:16px}.subscribe-art{min-height:220px}}