/* =============================================================
   jspaul-minimal.css
   Shared stylesheet for jspaul.com multi-page portfolio
   Clean, editorial, monochrome design system
   ============================================================= */

:root{
  --bg:#ffffff;
  --surface:#ffffff;
  --surface-alt:#f8fafc;
  --ink:#0f172a;
  --ink-2:#1e293b;
  --muted:#64748b;
  --muted-2:#94a3b8;
  --line:#e5e7eb;
  --line-2:#f1f5f9;
  --accent:#0f172a;
  --accent-soft:#f1f5f9;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:1200px;
  margin:0 auto;
  padding:16px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:16px;
  letter-spacing:-0.01em;
  color:var(--ink);
}
.logo:hover{text-decoration:none}
.logo-mark{
  width:36px;
  height:36px;
  border-radius:8px;
  object-fit:contain;
  background:transparent;
  display:block;
  flex-shrink:0;
}
img.logo-mark[data-size="sm"]{width:28px;height:28px}
.logo-sub{color:var(--muted);font-weight:500}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  font-size:14px;
  color:var(--muted);
}
.nav-links a{transition:color .2s ease}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-contact{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:var(--ink);
  transition:all .2s ease;
}
.nav-contact:hover{
  background:var(--ink);
  color:#fff;
  border-color:var(--ink);
  text-decoration:none;
}
.back-link{
  font-size:13px;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.back-link:hover{color:var(--ink);text-decoration:none}
@media (max-width:900px){
  .nav-links{display:none}
}
@media (max-width:720px){
  .nav{padding:14px 20px}
  .nav-contact span:not(.nav-contact-icon){display:none}
}

/* ---------- Layout ---------- */
.page{
  max-width:1200px;
  margin:0 auto;
  padding:56px 32px 40px;
}
@media (max-width:720px){
  .page{padding:36px 20px 24px}
}

/* ---------- Hero ---------- */
.hero{
  padding:8px 0 40px;
  border-bottom:1px solid var(--line);
}
.hero.no-border{border-bottom:none}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:600;
  margin-bottom:20px;
}
.eyebrow::before{
  content:'';
  width:24px;
  height:1px;
  background:var(--muted-2);
}
h1{
  margin:0 0 20px 0;
  font-size:44px;
  line-height:1.1;
  font-weight:700;
  letter-spacing:-0.025em;
  color:var(--ink);
  max-width:900px;
}
.subtitle{
  margin:0 0 32px 0;
  font-size:18px;
  line-height:1.6;
  color:var(--muted);
  max-width:780px;
  font-weight:400;
}
@media (max-width:720px){
  h1{font-size:30px}
  .subtitle{font-size:16px}
}

/* ---------- Meta bar ---------- */
.meta{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  margin-top:32px;
}
.meta-item{
  padding:20px 24px;
  border-right:1px solid var(--line);
}
.meta-item:last-child{border-right:none}
.meta-label{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:var(--muted);
  font-weight:600;
  margin-bottom:6px;
}
.meta-value{
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  line-height:1.4;
}
@media (max-width:720px){
  .meta{grid-template-columns:1fr}
  .meta-item{border-right:none;border-bottom:1px solid var(--line);padding:16px 0}
  .meta-item:last-child{border-bottom:none}
}

/* ---------- Sections ---------- */
.section{
  padding:56px 0;
  border-bottom:1px solid var(--line);
}
.section:last-of-type{border-bottom:none}
.section-head{margin-bottom:32px}
.section-tag{
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:600;
  margin-bottom:10px;
}
h2{
  margin:0;
  font-size:28px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-0.015em;
  color:var(--ink);
}
.lead{
  margin:16px 0 0;
  font-size:17px;
  line-height:1.7;
  color:var(--muted);
  max-width:780px;
}
.prose{
  max-width:780px;
}
.prose p{
  font-size:16px;
  line-height:1.75;
  color:var(--muted);
  margin:0 0 18px 0;
}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--ink);font-weight:600}

/* ---------- Problem / Solution Grid ---------- */
.ps-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}
@media (max-width:900px){
  .ps-grid{grid-template-columns:1fr;gap:32px}
}
.col-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:var(--ink);
  margin-bottom:20px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.col-title .dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--muted-2);
}
.col-title.problem .dot{background:#94a3b8}
.col-title.solution .dot{background:var(--ink)}

.points{
  list-style:none;
  padding:0;
  margin:0 0 28px 0;
}
.points li{
  padding:14px 0;
  border-bottom:1px solid var(--line-2);
  font-size:15px;
  line-height:1.6;
  color:var(--muted);
  display:flex;
  gap:14px;
}
.points li:last-child{border-bottom:none}
.points li::before{
  content:'';
  flex-shrink:0;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--muted-2);
  margin-top:9px;
}
.points strong{
  color:var(--ink);
  font-weight:600;
  display:block;
  margin-bottom:2px;
}

/* ---------- Flow Diagram ---------- */
.flow{
  margin-top:24px;
  padding:24px;
  background:var(--surface-alt);
  border:1px solid var(--line);
  border-radius:12px;
}
.flow-label{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.14em;
  font-weight:700;
  color:var(--muted);
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.flow-label .badge{
  display:inline-block;
  padding:3px 8px;
  border-radius:4px;
  background:#fff;
  border:1px solid var(--line);
  font-size:10px;
  color:var(--ink);
}
.steps{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.step{
  padding:10px 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  transition:all .2s ease;
}
.step:hover{border-color:var(--ink)}
.flow-after .step{border-color:#cbd5e1;background:#fff}
.flow-after .step:hover{
  background:var(--ink);
  color:#fff;
  border-color:var(--ink);
}
.arrow{
  color:var(--muted-2);
  font-size:16px;
  font-weight:400;
}

/* ---------- Impact ---------- */
.impact-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  border-left:1px solid var(--line);
}
.impact{
  padding:28px 24px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.impact:hover{background:var(--surface-alt)}
.impact .num{
  font-size:36px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-0.02em;
  margin-bottom:8px;
  display:block;
  line-height:1;
}
.impact p{
  margin:0;
  font-size:14px;
  line-height:1.55;
  color:var(--muted);
}
@media (max-width:900px){.impact-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.impact-grid{grid-template-columns:1fr}}

/* ---------- Features ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.feature{
  background:#fff;
  padding:28px 24px;
  transition:background .2s ease;
}
.feature:hover{background:var(--surface-alt)}
.feature-num{
  font-size:12px;
  font-weight:700;
  color:var(--muted-2);
  letter-spacing:.1em;
  margin-bottom:12px;
}
.feature-title{
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  margin:0 0 8px 0;
}
.feature-desc{
  margin:0;
  font-size:14px;
  line-height:1.6;
  color:var(--muted);
}
@media (max-width:900px){.feature-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.feature-grid{grid-template-columns:1fr}}

/* ---------- Tech Stack ---------- */
.tech-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.tech-item{
  padding:20px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  transition:all .2s ease;
}
.tech-item:hover{border-color:var(--ink)}
.tech-name{
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:4px;
}
.tech-desc{font-size:13px;color:var(--muted);margin:0}
@media (max-width:720px){.tech-grid{grid-template-columns:1fr}}

/* ---------- Metrics ---------- */
.metrics-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-left:1px solid var(--line);
}
.metric{
  padding:24px 20px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.metric-value{
  font-size:28px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-0.02em;
  margin-bottom:4px;
  display:block;
  line-height:1;
}
.metric-label{font-size:13px;color:var(--muted);margin:0}
@media (max-width:720px){.metrics-grid{grid-template-columns:1fr 1fr}}

/* ---------- CTA ---------- */
.cta{
  margin-top:40px;
  padding:40px 32px;
  background:var(--ink);
  color:#fff;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cta h3{
  margin:0 0 6px 0;
  font-size:22px;
  font-weight:700;
  letter-spacing:-0.01em;
}
.cta p{margin:0;color:rgba(255,255,255,.7);font-size:15px}
.cta-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 22px;
  background:#fff;
  color:var(--ink);
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  transition:all .2s ease;
}
.cta-btn:hover{
  background:#f1f5f9;
  text-decoration:none;
  transform:translateY(-1px);
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  margin-top:60px;
  padding:32px 0;
  background:var(--surface-alt);
}
.footer-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--muted);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:600;
  color:var(--ink);
}
.footer-links{
  display:flex;
  gap:20px;
  align-items:center;
  flex-wrap:wrap;
}
.footer-links a{color:var(--muted);transition:color .2s ease}
.footer-links a:hover{color:var(--ink);text-decoration:none}
@media (max-width:600px){
  .footer-inner{flex-direction:column;text-align:center;padding:0 20px}
}

/* ---------- Help list ---------- */
.help-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px 32px;
  margin-top:24px;
}
.help-list .help-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 0;
  border-top:1px solid var(--line);
  font-size:15.5px;
  color:var(--ink);
}
.help-list .help-item:first-child,
.help-list .help-item:nth-child(2){border-top:none;padding-top:6px}
.help-list .help-item .bullet{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--ink);
  margin-top:10px;
  flex-shrink:0;
}
@media (max-width:700px){
  .help-list{grid-template-columns:1fr}
  .help-list .help-item:nth-child(2){border-top:1px solid var(--line);padding-top:14px}
}

/* ---------- Offer cards ---------- */
.offer-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.offer-card{
  border:1px solid var(--line);
  border-radius:14px;
  padding:28px;
  background:var(--surface);
  display:flex;
  flex-direction:column;
  transition:border-color .2s ease, transform .2s ease;
}
.offer-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.offer-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:14px;
  margin-bottom:6px;
}
.offer-kicker{
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:600;
}
.offer-title{
  font-size:22px;
  font-weight:700;
  letter-spacing:-0.01em;
  margin:4px 0 14px 0;
  color:var(--ink);
}
.offer-desc{
  color:var(--muted);
  font-size:15px;
  line-height:1.65;
  margin:0 0 16px 0;
}
.offer-list{
  list-style:none;
  padding:0;
  margin:0 0 20px 0;
}
.offer-list li{
  padding:7px 0;
  font-size:14.5px;
  color:var(--ink);
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.offer-list li::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--ink);
  margin-top:9px;
  flex-shrink:0;
}
.offer-price{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:10px;
}
.offer-price-label{
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:600;
}
.offer-price-value{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-0.01em;
}
@media (max-width:800px){
  .offer-grid{grid-template-columns:1fr}
}

/* ---------- Industry pills ---------- */
.industries{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.industry-pill{
  padding:8px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:14px;
  color:var(--ink);
  background:var(--surface);
}

/* ---------- Portrait ---------- */
.portrait-wrap{
  display:grid;
  grid-template-columns:1.3fr .9fr;
  gap:48px;
  align-items:center;
}
.portrait{
  width:100%;
  aspect-ratio:4 / 5;
  object-fit:cover;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--surface-alt);
}
@media (max-width:900px){
  .portrait-wrap{grid-template-columns:1fr;gap:32px}
  .portrait{max-width:360px;aspect-ratio:1;border-radius:14px}
}

/* ---------- Home hero (big) ---------- */
.home-hero{
  padding:80px 0 60px;
  border-bottom:1px solid var(--line);
}
.home-hero .display{
  font-size:64px;
  line-height:1.05;
  font-weight:700;
  letter-spacing:-0.03em;
  margin:0 0 24px 0;
  max-width:900px;
}
.home-hero .display em{
  font-style:normal;
  color:var(--muted);
}
.home-hero .lead{
  font-size:20px;
  max-width:720px;
  margin-top:0;
  margin-bottom:32px;
}
.home-hero .actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.btn-primary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  background:var(--ink);
  color:#fff;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  transition:all .2s ease;
}
.btn-primary:hover{background:#000;text-decoration:none;transform:translateY(-1px)}
.btn-secondary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  background:#fff;
  color:var(--ink);
  border:1px solid var(--line);
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  transition:all .2s ease;
}
.btn-secondary:hover{border-color:var(--ink);text-decoration:none}
@media (max-width:720px){
  .home-hero{padding:48px 0 40px}
  .home-hero .display{font-size:40px}
  .home-hero .lead{font-size:17px}
}

/* ---------- Home stats strip ---------- */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats-strip .stat{
  padding:24px;
  border-right:1px solid var(--line);
}
.stats-strip .stat:last-child{border-right:none}
.stats-strip .big{
  font-size:32px;
  font-weight:700;
  letter-spacing:-0.02em;
  color:var(--ink);
  display:block;
  line-height:1;
  margin-bottom:6px;
}
.stats-strip .label{font-size:13px;color:var(--muted)}
@media (max-width:720px){
  .stats-strip{grid-template-columns:1fr 1fr}
  .stats-strip .stat{border-bottom:1px solid var(--line)}
  .stats-strip .stat:nth-child(2n){border-right:none}
}

/* ---------- Case card grid (portfolio landing) ---------- */
.case-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
}
.case-card{
  background:#fff;
  padding:32px 28px;
  display:block;
  color:inherit;
  transition:background .2s ease;
  position:relative;
}
.case-card:hover{background:var(--surface-alt);text-decoration:none}
.case-card .case-num{
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--muted-2);
  margin-bottom:14px;
}
.case-card .case-title{
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-0.01em;
  margin:0 0 10px 0;
  line-height:1.3;
}
.case-card .case-desc{
  font-size:14px;
  color:var(--muted);
  line-height:1.6;
  margin:0 0 20px 0;
}
.case-card .case-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.case-tag{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:var(--muted);
  font-weight:600;
}
.case-arrow{
  font-size:14px;
  color:var(--ink);
  font-weight:600;
}
@media (max-width:720px){.case-grid{grid-template-columns:1fr}}

/* ---------- Experience timeline ---------- */
.timeline{
  border-top:1px solid var(--line);
}
.timeline-item{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:40px;
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
.timeline-role{
  font-size:13px;
  color:var(--muted);
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.timeline-body h3{
  margin:0 0 6px 0;
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-0.01em;
}
.timeline-body .tl-role{
  font-size:15px;
  color:var(--muted);
  margin:0 0 10px 0;
}
.timeline-body p{
  margin:0;
  font-size:15px;
  line-height:1.7;
  color:var(--muted);
}
@media (max-width:720px){
  .timeline-item{grid-template-columns:1fr;gap:8px}
}

/* ---------- Skills ---------- */
.skill-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.skill{
  background:#fff;
  padding:24px 24px;
}
.skill h4{
  margin:0 0 8px 0;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
}
.skill p{
  margin:0;
  font-size:14px;
  line-height:1.6;
  color:var(--muted);
}
@media (max-width:720px){.skill-block{grid-template-columns:1fr}}

.knowledge-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.knowledge-col h5{
  margin:0 0 12px 0;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:var(--muted);
  font-weight:600;
}
.knowledge-col ul{
  list-style:none;
  margin:0;padding:0;
}
.knowledge-col li{
  padding:8px 0;
  border-bottom:1px solid var(--line-2);
  font-size:14px;
  color:var(--ink);
}
.knowledge-col li:last-child{border-bottom:none}
@media (max-width:720px){.knowledge-grid{grid-template-columns:1fr}}

/* ---------- Contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:48px;
}
.contact-line{
  display:flex;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--line-2);
}
.contact-line:last-child{border-bottom:none}
.contact-line-label{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:var(--muted);
  font-weight:600;
  width:90px;
  flex-shrink:0;
  padding-top:3px;
}
.contact-line-value{
  font-size:16px;
  color:var(--ink);
  font-weight:500;
}
.contact-line-value a{color:var(--ink)}
.social-links{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:12px;
}
.social-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:var(--ink);
  transition:all .2s ease;
}
.social-link:hover{
  background:var(--ink);color:#fff;border-color:var(--ink);text-decoration:none;
}
@media (max-width:720px){
  .contact-grid{grid-template-columns:1fr;gap:32px}
}