/* arsalmurad.com
   Design system: editorial. Source Serif for headings, IBM Plex Sans for
   reading, IBM Plex Mono for labels and figures. Warm paper, no colour
   accent, no hard shadows. All fonts self-hosted. */

@font-face{font-family:'Source Serif';font-weight:600;font-style:normal;font-display:swap;src:url(fonts/source-serif-4-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Plex Sans';font-weight:400;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Plex Sans';font-weight:500;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Plex Sans';font-weight:600;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Plex Mono';font-weight:400;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Plex Mono';font-weight:500;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2')}

:root{
  --serif:'Source Serif',Georgia,'Times New Roman',serif;
  --sans:'Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --paper:#FBFAF7;
  --paper2:#F2F0EA;
  --card:#FFFFFF;
  --ink:#1A1815;
  --ink2:#5C574E;
  --rule:#D3CCBB;
  --rule2:#EAE6DE;
  --btn:#1A1815;
  --btn-ink:#FBFAF7;
  --btn-hover:#3A352E;

  --wrap:1080px;
  --gut:clamp(20px,5vw,44px);
  --sec:clamp(56px,8vw,104px);
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#171613;
    --paper2:#201E1A;
    --card:#1C1B17;
    --ink:#EDE9E0;
    --ink2:#A8A093;
    --rule:#3B3830;
    --rule2:#2B2822;
    --btn:#EDE9E0;
    --btn-ink:#171613;
    --btn-hover:#FFFFFF;
  }
}
html{color-scheme:light dark;-webkit-text-size-adjust:100%}
*{box-sizing:border-box;margin:0;padding:0}

body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-wrap:pretty;
}
img{max-width:100%;display:block}

.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gut)}
.narrow{max-width:70ch}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:-0.015em;line-height:1.12;text-wrap:balance}
h1{font-size:clamp(34px,5.6vw,58px);line-height:1.04;letter-spacing:-0.022em}
h2{font-size:clamp(27px,3.8vw,42px)}
h3{font-size:clamp(21px,2.4vw,27px);line-height:1.2}
h4{font-size:19px;line-height:1.25}
p{max-width:68ch}
p + p{margin-top:1.1em}
.lede{font-size:clamp(18px,1.9vw,21px);line-height:1.6;color:var(--ink2);max-width:56ch}
.small{font-size:15px;line-height:1.6;color:var(--ink2)}
.eyebrow{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink2);display:block;margin-bottom:16px}
strong{font-weight:600}

a{color:var(--ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;text-decoration-color:var(--rule)}
a:hover{text-decoration-color:currentColor;text-decoration-thickness:2px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:1px}

/* ---------- header ---------- */
.site-head{border-bottom:1px solid var(--rule);background:var(--paper)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px 28px;flex-wrap:wrap;padding-block:18px}
.brand{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;text-decoration:none}
.brand b{font-family:var(--serif);font-size:20px;font-weight:600;letter-spacing:-0.01em}
.brand span{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2)}
.head-right{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.head-right a:not(.btn){font-size:15px;color:var(--ink2);text-decoration:none}
.head-right a:not(.btn):hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:12px 26px;
  font-family:var(--sans);font-size:15px;font-weight:500;
  text-decoration:none;border:1px solid transparent;
  transition:background-color .15s ease,color .15s ease,border-color .15s ease;
}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px}
.btn.solid{background:var(--btn);color:var(--btn-ink);border-color:var(--btn)}
.btn.solid:hover{background:var(--btn-hover);border-color:var(--btn-hover);text-decoration:none}
.btn.line{border-color:var(--ink);color:var(--ink)}
.btn.line:hover{background:var(--ink);color:var(--paper);text-decoration:none}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}

/* ---------- sections ---------- */
section{padding-block:var(--sec)}
section.band{background:var(--paper2);border-block:1px solid var(--rule)}
section.tight{padding-block:clamp(40px,5vw,64px)}

/* ---------- hero ---------- */
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;align-items:start}
@media (min-width:900px){.hero .wrap{grid-template-columns:minmax(0,1fr) 240px;gap:64px}}
.hero h1{max-width:17ch}
.portrait img{width:200px;height:200px;border-radius:50%}
.portrait .meta{margin-top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2);line-height:1.9}

/* ---------- credentials ---------- */
.creds{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:0 32px}
.creds li{list-style:none;border-top:1px solid var(--rule);padding-top:14px}
.creds .nm{display:block;font-size:14px;font-weight:500;margin-bottom:4px}
.creds a{font-size:13px;color:var(--ink2)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:28px 40px;margin-top:40px}
.stat{border-top:1px solid var(--rule);padding-top:16px}
.stat .n{display:block;font-family:var(--serif);font-size:clamp(34px,4.4vw,44px);font-weight:600;line-height:1;letter-spacing:-0.02em}
.stat .l{display:block;margin-top:10px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);line-height:1.6}

/* ---------- cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));border:1px solid var(--rule);background:var(--card);margin-top:40px}
.grid .cell{padding:26px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.grid .cell h4{margin-bottom:10px}
.grid .cell p{font-size:15.5px;line-height:1.6;color:var(--ink2)}

/* ---------- video ---------- */
.video{position:relative;width:100%;aspect-ratio:16/9;border:1px solid var(--rule);background:var(--paper2);margin-top:40px;overflow:hidden}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;opacity:0;transition:opacity .3s ease}
.video.is-ready iframe{opacity:1}
.video .veil{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px;text-align:center;transition:opacity .3s ease}
.video.is-ready .veil{opacity:0;pointer-events:none}
.bar{width:min(240px,60%);height:3px;background:var(--rule);position:relative;overflow:hidden}
.bar::after{content:'';position:absolute;inset:0 auto 0 0;width:40%;background:var(--ink2);animation:slide 1.5s ease-in-out infinite alternate}
@keyframes slide{from{transform:translateX(-15%)}to{transform:translateX(265%)}}
.veil p{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink2)}
.video-note{margin-top:14px;font-size:14px;color:var(--ink2)}

/* ---------- steps ---------- */
.steps{margin-top:40px;counter-reset:s}
.step{display:grid;grid-template-columns:44px minmax(0,1fr);gap:20px;padding-block:28px;border-top:1px solid var(--rule)}
.step .num{font-family:var(--mono);font-size:13px;color:var(--ink2);padding-top:6px}
.step h3{margin-bottom:8px}
.step p{color:var(--ink2);max-width:64ch}
.step.key{background:var(--card);border:1px solid var(--ink);padding:30px;margin-top:14px;grid-template-columns:44px minmax(0,1fr)}
.step.key p{color:var(--ink)}

/* ---------- faq ---------- */
.faq{margin-top:40px;max-width:82ch;border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;font-weight:500;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:6px;top:18px;font-family:var(--mono);font-size:19px;color:var(--ink2);line-height:1}
.faq details[open] summary::after{content:'\2013'}
.faq .a{padding:0 0 22px;color:var(--ink2);max-width:66ch}

/* ---------- misc blocks ---------- */
.note{border-left:1px solid var(--rule);padding-left:20px;color:var(--ink2);font-size:15.5px;line-height:1.65;max-width:64ch}
.callout{border:1px solid var(--ink);background:var(--card);padding:clamp(24px,3vw,34px);margin-top:40px}
.split{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:center}
@media (min-width:760px){.split{grid-template-columns:minmax(0,1fr) auto;gap:40px}}
.figure{border:1px solid var(--rule);background:var(--card);padding:24px;margin-top:40px;overflow-x:auto}
.figure svg{display:block;width:100%;min-width:620px;height:auto;color:var(--ink)}
.figure svg[width]{width:auto;max-width:none}
.figure figcaption{margin-top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2)}
.byline{display:flex;align-items:center;gap:16px;margin-top:44px;padding-top:24px;border-top:1px solid var(--rule)}
.byline img{width:56px;height:56px;border-radius:50%;flex:none}
.byline p{font-size:14.5px;color:var(--ink2);margin:0;max-width:56ch}
.byline b{color:var(--ink);font-weight:500}
.back{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);text-decoration:none;margin-bottom:28px}
.back:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:0 40px;margin-top:40px}
.tool{border-top:1px solid var(--rule);padding-top:18px}
.tool h3{font-family:var(--mono);font-size:15px;font-weight:500;letter-spacing:0;margin-bottom:10px}
.tool p{font-size:15.5px;line-height:1.6;color:var(--ink2)}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--rule);padding-block:40px;font-size:14.5px;color:var(--ink2)}
.site-foot .wrap{display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:space-between}
.site-foot a{color:var(--ink2)}
.site-foot a:hover{color:var(--ink)}

.skip{position:absolute;left:-9999px;top:0;z-index:99;background:var(--ink);color:var(--paper);padding:12px 18px;font-size:14px;text-decoration:none}
.skip:focus{left:0}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media (max-width:600px){
  body{font-size:16px}
  .btn-row .btn{width:100%}
  .grid .cell{border-right:0}
  .step.key{padding:22px}
}

/* headings that sit directly on top of body copy */
h1 + p,h2 + p,h3 + p,h4 + p{margin-top:20px}
.faq summary + .a{margin-top:0}

/* ============ CRO components ============ */

/* compact trust band: the "is he real" answer, above the fold on desktop */
.proofbar{border-block:1px solid var(--rule);background:var(--paper2)}
.proofbar .wrap{padding-block:28px;display:grid;gap:28px 48px;grid-template-columns:minmax(0,1fr)}
@media (min-width:880px){.proofbar .wrap{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:center}}
.pnums{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:20px 32px}
.pnum b{display:block;font-family:var(--serif);font-size:31px;font-weight:600;line-height:1.05;letter-spacing:-0.02em}
.pnum span{display:block;margin-top:5px;font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink2);line-height:1.5}
.pcreds{display:flex;flex-wrap:wrap;gap:7px 10px;align-items:center;font-size:13.5px;color:var(--ink2)}
.pcreds a{color:var(--ink2);text-decoration-color:var(--rule)}
.pcreds a:hover{color:var(--ink)}
.pcreds .sep{opacity:.45}

/* situations, the self-selection block */
.sits{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0 48px;margin-top:36px}
.sits li{list-style:none;border-top:1px solid var(--rule);padding:20px 0;display:grid;grid-template-columns:22px minmax(0,1fr);gap:14px}
.sits .tick{font-family:var(--mono);font-size:13px;color:var(--ink2);padding-top:2px}
.sits p{font-size:16px;line-height:1.55;margin:0;max-width:44ch}

/* case study cards */
.cases{display:grid;gap:24px;margin-top:40px}
.case{border:1px solid var(--rule);background:var(--card);display:grid;grid-template-columns:minmax(0,1fr)}
.case-body{padding:clamp(24px,3vw,36px);display:flex;flex-direction:column}
.case .kicker{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink2);margin-bottom:14px;display:block}
.case h3{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.case h3 a{text-decoration:none;color:var(--ink)}
.case h3 a:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.case p{font-size:16px;line-height:1.6;color:var(--ink2);max-width:60ch}
.case .metrics{display:flex;flex-wrap:wrap;gap:10px 32px;margin-top:22px;padding-top:18px;border-top:1px solid var(--rule)}
.case .metrics div b{display:block;font-family:var(--serif);font-size:23px;font-weight:600;line-height:1.1}
.case .metrics div span{display:block;margin-top:3px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2)}
.case .go{margin-top:22px;font-size:15px;font-weight:500}
.case.feature .video{margin:0;border:0;border-top:1px solid var(--rule)}
@media (min-width:900px){
  .case.feature{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:stretch}
  .case.feature .video{border-top:0;border-left:1px solid var(--rule);height:100%;aspect-ratio:auto;min-height:340px}
}

/* repeatable inline CTA */
.cta-strip{margin-top:44px;padding-top:30px;border-top:1px solid var(--rule);display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between}
.cta-strip p{margin:0;font-size:16.5px;max-width:48ch}
.cta-strip .btn-row{margin-top:0}

/* named promise */
.promise{border:1px solid var(--ink);background:var(--card);padding:clamp(26px,3.2vw,38px);margin-top:36px;display:grid;gap:20px}
@media (min-width:800px){.promise{grid-template-columns:auto minmax(0,1fr);gap:32px;align-items:start}}
.promise .seal{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink2);border:1px solid var(--rule);padding:10px 14px;white-space:nowrap;align-self:start}
.promise h3{margin-bottom:12px}
.promise p{font-size:16.5px;line-height:1.6}

/* what happens next */
.next{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:0 36px;margin-top:34px}
.next li{list-style:none;border-top:1px solid var(--rule);padding-top:16px}
.next b{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);margin-bottom:8px}
.next p{font-size:15.5px;line-height:1.55;margin:0;color:var(--ink2)}

.micro{margin-top:18px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--ink2)}

/* ============ credentials ============ */
.creditems{list-style:none;counter-reset:cr;margin-top:36px;display:grid;gap:0}
.creditems li{counter-increment:cr;border-top:1px solid var(--rule);padding:30px 0;display:grid;gap:18px;align-items:start}
.creditems li:last-child{border-bottom:1px solid var(--rule)}
@media (min-width:820px){.creditems li{grid-template-columns:260px minmax(0,1fr);gap:44px}}
.ci-head h3{font-size:clamp(20px,2.2vw,25px);margin-bottom:8px}
.ci-head h3::before{content:counter(cr,decimal-leading-zero);display:block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ink2);margin-bottom:10px;font-weight:400}
.ci-tag{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2);line-height:1.6}
.creditems p{font-size:16px;line-height:1.6;color:var(--ink2);max-width:62ch}
.creditems p + p{margin-top:12px}
.creditems strong{color:var(--ink);font-weight:600}
.ci-verify{display:inline-block;margin-top:16px;font-size:14.5px;font-weight:500}

/* homepage credential cards */
.certgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));border:1px solid var(--rule);background:var(--card);margin-top:36px}
.certgrid .c{padding:24px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.certgrid .c h4{font-size:17px;margin-bottom:6px}
.certgrid .c .iss{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2);margin-bottom:12px}
.certgrid .c p{font-size:14.5px;line-height:1.55;color:var(--ink2);margin-bottom:14px}
.certgrid .c a{font-size:13.5px}
@media (max-width:600px){.certgrid .c{border-right:0}}

/* card headings are h3 for a correct outline; sized like the h4s they replaced */
.grid .cell h3{font-size:19px;line-height:1.25;margin-bottom:10px}
.certgrid .c h3{font-size:17px;line-height:1.25;margin-bottom:6px}
.case h2.case-t{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.case h2.case-t a{text-decoration:none;color:var(--ink)}
.case h2.case-t a:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}