/* Daniel — AI Advisory & Education. Shared styles. */

:root{
  --accent:#1F68F5;
  --accent-deep:#1a58d0;
  --accent-tint:#eaf1fe;
  --ink:#14181f;
  --body:#6b7280;
  --muted:#98a1af;
  --border:#eef0f3;
  --border-strong:#d6dae1;
  --surface:#f7f8fa;
}

*{box-sizing:border-box}
body{margin:0;background:#fff;font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased}
h1,h2,h3,p{margin:0}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-deep)}
img{max-width:100%}

.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
@media (max-width:560px){ .wrap{padding:0 20px} }

.eyb{font-size:12px;font-weight:600;letter-spacing:.04em;color:#525a67;border:1px solid var(--border-strong);border-radius:100px;padding:6px 14px;display:inline-block;white-space:nowrap}

.ph{background-image:repeating-linear-gradient(45deg,#eef1f6 0,#eef1f6 11px,#e5eaf2 11px,#e5eaf2 22px);position:relative}
.ph::after{content:attr(data-ph);position:absolute;left:14px;bottom:12px;font:500 10px ui-monospace,Menlo,monospace;color:#9aa4b4}

.fld{width:100%;border:1px solid var(--border-strong);border-radius:12px;padding:14px 16px;font:15px 'Plus Jakarta Sans',sans-serif;color:var(--ink);background:#fff;outline:none}
.fld:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(31,104,245,.12)}
.lbl{font-size:13px;font-weight:600;color:#374151;margin-bottom:8px;display:block}

/* buttons */
.btn{display:inline-block;border-radius:100px;font-weight:600;text-align:center;white-space:nowrap;cursor:pointer;border:none;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff;font-size:16px;padding:16px 34px}
.btn-primary:hover{background:var(--accent-deep);color:#fff}
.btn-onaccent{background:#fff;color:var(--accent-deep);font-size:15px;font-weight:700;padding:16px 34px}
.btn-onaccent:hover{color:var(--accent-deep)}
.btn-text{color:var(--ink);font-size:16px;padding:16px 8px;background:none}
.btn-text:hover{color:var(--accent)}

/* section padding rhythm, reduced on small screens */
.sec-pad{padding-top:88px;padding-bottom:88px}
.sec-pad-lg{padding-top:96px;padding-bottom:64px}
@media (max-width:900px){
  .sec-pad,.sec-pad-lg{padding-top:64px;padding-bottom:64px}
}
@media (max-width:560px){
  .sec-pad,.sec-pad-lg{padding-top:48px;padding-bottom:48px}
}

/* responsive grid helpers — pair with inline grid-template-columns for the exact desktop ratio */
.stack-md{display:grid}
@media (max-width:900px){ .stack-md{grid-template-columns:1fr !important;gap:40px !important} }

.grid-3{display:grid}
@media (max-width:900px){ .grid-3{grid-template-columns:repeat(2,1fr) !important} }
@media (max-width:560px){ .grid-3{grid-template-columns:1fr !important} }

.grid-4{display:grid}
@media (max-width:900px){ .grid-4{grid-template-columns:repeat(2,1fr) !important;row-gap:36px !important} }
@media (max-width:560px){ .grid-4{grid-template-columns:1fr !important} }

/* headline scale, reduced on small screens (desktop size set inline per page) */
.hero-h1{font-weight:800;letter-spacing:-.035em;line-height:1.02;text-wrap:balance}
@media (max-width:900px){ .hero-h1{font-size:42px !important;line-height:1.05 !important} }
@media (max-width:560px){ .hero-h1{font-size:33px !important} }

.hero-p{font-size:19px;line-height:1.55;color:var(--body)}
@media (max-width:560px){ .hero-p{font-size:16px !important} }

.sec-h2{font-weight:800;letter-spacing:-.025em}
@media (max-width:900px){ .sec-h2{font-size:30px !important;line-height:1.14 !important} }
@media (max-width:560px){ .sec-h2{font-size:26px !important} }

.cta-h2{font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1.08}
@media (max-width:900px){ .cta-h2{font-size:33px !important} }
@media (max-width:560px){ .cta-h2{font-size:27px !important} }

/* header */
.site-header{display:flex;align-items:center;justify-content:space-between;padding:24px 52px;border-bottom:1px solid var(--border);background:#fff;position:relative;z-index:50}
.site-header .brand{font-weight:800;font-size:22px;letter-spacing:-.02em;color:var(--ink)}
.site-header .brand span{color:var(--accent)}
.site-header nav.links{display:flex;gap:36px}
.site-header nav.links a{font-size:14px;font-weight:500;color:#525a67}
.site-header nav.links a.active{font-weight:600;color:var(--ink)}
.site-header .cta-btn{background:var(--accent);color:#fff;font-size:13.5px;font-weight:600;padding:11px 22px;border-radius:100px;white-space:nowrap}
.site-header .cta-btn:hover{background:var(--accent-deep);color:#fff}
.header-burger{display:none;background:none;border:none;padding:8px;cursor:pointer}
.header-burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0}
.header-menu{display:none}

@media (max-width:760px){
  .site-header{padding:20px 24px}
  .site-header nav.links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--border);padding:8px 24px 20px}
  .site-header nav.links.open{display:flex}
  .site-header nav.links a{padding:12px 0;border-top:1px solid var(--border)}
  .header-burger{display:block}
}

/* footer */
.site-footer{background:var(--ink);padding:66px 52px 34px;font-family:'Plus Jakarta Sans',system-ui,sans-serif}
.site-footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer .brand{text-decoration:none;font-weight:800;font-size:22px;color:#fff}
.site-footer .brand span{color:var(--accent)}
.site-footer .blurb{font-size:14px;line-height:1.6;color:#8b93a1;max-width:270px;margin:14px 0 0}
.site-footer .colhead{font-size:12px;font-weight:600;letter-spacing:.05em;color:#6b7480;margin-bottom:16px}
.site-footer .collinks{display:flex;flex-direction:column;gap:12px;font-size:14px}
.site-footer .collinks a{color:#b7bdc7}
.site-footer .wordmark-wrap{overflow:hidden;padding-top:22px}
.site-footer .wordmark{font-size:150px;font-weight:800;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.16);line-height:.9}
@media (max-width:900px){
  .site-footer{padding:52px 24px 24px}
  .site-footer .cols{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .site-footer .wordmark{font-size:96px}
}
@media (max-width:560px){
  .site-footer .cols{grid-template-columns:1fr}
  .site-footer .wordmark{font-size:64px}
}

/* approach step-row hover */
.stepRow{transition:background .18s}
.stepRow h3,.stepRow p,.stepRow .stepNum{transition:color .18s,background .18s,border-color .18s}
.stepRow:hover h3,.stepRow:hover p,.stepRow:hover .stepNum{color:var(--accent) !important}
.stepRow:hover .stepNum{border-color:var(--accent) !important}

/* tech stack logo band */
.stack-row{display:flex;flex-wrap:nowrap;align-items:center;justify-content:center;gap:44px 48px;overflow:hidden}
.stack-item{display:flex;align-items:center;justify-content:center;height:30px;flex:none}
.stack-item img{height:30px;width:auto;display:block;opacity:.85}