/* Portfolio page: personal work of Thanyathep Wattanasataporn. Builds on home.css tokens. */
.pf-hero{background:var(--ink);color:#fff;padding:clamp(72px,11vw,148px) 0 clamp(64px,9vw,120px);position:relative;overflow:hidden}
.pf-hero::after{content:"";position:absolute;right:-160px;top:-180px;width:560px;height:560px;border-radius:50%;background:radial-gradient(closest-side,rgba(212,246,123,.16),transparent);pointer-events:none}
.pf-hero .eyebrow{color:var(--lime);margin-bottom:0}
/* The long surname must fit one line: it is about 7.5em wide */
.pf-hero h1{font-size:min(clamp(48px,9vw,128px),calc((100vw - 32px) / 7.8));margin:22px 0 28px;line-height:.92;letter-spacing:-.05em;max-width:12ch}
.pf-hero h1 span{display:block;color:var(--muted-dark)}
.pf-hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:end}
.pf-lead{font-size:clamp(18px,1.7vw,21px);line-height:1.6;color:rgba(255,255,255,.82);max-width:46ch;margin:0}
.pf-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.pf-btn-outline{border-color:rgba(255,255,255,.3);color:#fff}
.pf-btn-outline:hover{border-color:#fff}
.pf-facts{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-dark)}
.pf-facts li{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line-dark);font-size:15px}
.pf-facts span{color:var(--muted-dark)}
.pf-facts strong{font-weight:600;text-align:right}
.pf-status{display:inline-flex;align-items:center;gap:10px;margin-top:22px;font-size:14px;color:rgba(255,255,255,.78)}
.pf-status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(212,246,123,.18)}

.pf-section{padding:clamp(72px,9vw,128px) 0}
.pf-section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:clamp(36px,5vw,56px)}
.pf-section-head h2{font-size:clamp(36px,5vw,64px);letter-spacing:-.04em;max-width:20ch;text-wrap:balance}
.pf-section-head p{max-width:40ch;color:var(--muted);margin:0}

/* Case study */
/* Stacked: heading row, framed screenshot, three steps, delivered list */
.pf-case{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,4vw,48px);display:grid;gap:clamp(28px,4vw,44px)}
.pf-case-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap}
.pf-case-head h3{font-size:clamp(32px,4vw,52px);letter-spacing:-.04em;margin:14px 0 8px}
.pf-case-head p{margin:0;color:var(--muted);font-size:18px}
.pf-tag{display:inline-flex;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:6px 12px;border-radius:999px;background:var(--lime);color:var(--ink)}
.pf-case-media{display:block;border-radius:calc(var(--radius) - 4px);background:radial-gradient(120% 90% at 50% 0%,#d9f59a 0%,var(--tint) 62%);padding:clamp(16px,4vw,56px) clamp(16px,5vw,72px) 0;overflow:hidden}
.pf-browser{border-radius:12px 12px 0 0;overflow:hidden;background:var(--ink);box-shadow:0 30px 60px -28px rgba(20,23,15,.55);transition:transform .5s ease}
.pf-case-media:hover .pf-browser{transform:translateY(-6px)}
.pf-browser-bar{display:flex;align-items:center;gap:14px;padding:10px 14px;background:#22261c;border-bottom:1px solid #343a2d}
.pf-dots{display:flex;gap:6px}
.pf-dots i{width:10px;height:10px;border-radius:50%;background:#4a5140}
.pf-url{flex:1;max-width:340px;margin-inline:auto;text-align:center;font-size:12px;color:var(--muted-dark);background:#14170f;border-radius:6px;padding:4px 10px}
.pf-browser img{display:block;width:100%;height:auto}
.pf-case-steps{margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
.pf-case-steps div{border-top:2px solid var(--ink);padding-top:18px}
.pf-case-steps dt{display:flex;align-items:baseline;gap:10px;font-family:var(--display);font-size:20px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
.pf-case-steps dt span{font-family:var(--body);font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--muted)}
.pf-case-steps dd{margin:0;font-size:16px;line-height:1.65;color:var(--muted)}
.pf-checks{list-style:none;margin:0;padding:clamp(18px,2.4vw,24px) 0 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px}
.pf-checks li{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;padding:7px 14px 7px 12px;border-radius:999px;background:var(--paper);border:1px solid var(--line)}
.pf-checks li::before{content:"";width:9px;height:5px;margin-top:-3px;border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(-45deg)}
.pf-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--text);text-decoration:none;border-bottom:1.5px solid currentColor;padding-bottom:2px;align-self:flex-start}
.pf-link:hover{color:#4a5a1c}

/* Project cards */
.pf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,2.4vw,28px);margin-top:clamp(18px,2.4vw,28px)}
.pf-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.pf-card-media{aspect-ratio:5/3;background:#1b1f24;overflow:hidden;display:block}
.pf-card-media img{display:block;width:100%;height:100%;object-fit:cover;image-rendering:pixelated}
.pf-card-body{padding:clamp(24px,3vw,32px);display:flex;flex-direction:column;gap:14px;flex:1}
.pf-card h3{font-size:clamp(24px,2.4vw,30px);letter-spacing:-.03em}
.pf-card p{margin:0;color:var(--muted)}
.pf-chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.pf-chips li{font-size:13px;font-weight:500;padding:5px 11px;border-radius:999px;border:1px solid var(--line);background:var(--paper)}
.pf-card .pf-link{margin-top:auto}

/* Hermes_Trade card visual: the trading stack drawn in CSS */
.pf-agents{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100%;background:radial-gradient(circle at 50% 120%,rgba(212,246,123,.2),transparent 60%),var(--ink);color:#fff;padding:24px}
.pf-agent-row{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.pf-agent-row li{font-size:13px;font-weight:600;padding:6px 12px;border-radius:999px;border:1px solid var(--line-dark);color:rgba(255,255,255,.86)}
.pf-agent-line{display:block;width:2px;height:22px;background:linear-gradient(var(--line-dark),var(--lime))}
.pf-agents .pf-agent-hub{margin:0;font-family:var(--display);font-size:clamp(20px,2.2vw,26px);font-weight:700;letter-spacing:-.02em;padding:10px 20px;border-radius:12px;background:var(--lime);color:var(--ink)}
.pf-agents .pf-agent-out{margin:0;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--muted-dark)}

/* Flashcard app visual: a vocabulary card drawn in CSS */
.pf-flash{position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:18px;height:100%;background:var(--tint);padding:24px}
.pf-flash-card{position:relative;z-index:1;width:min(68%,300px);aspect-ratio:3/2;border-radius:16px;background:var(--card);border:1px solid var(--line);box-shadow:0 18px 40px -22px rgba(20,23,15,.45);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px}
.pf-flash-card span{font-family:var(--display);font-size:clamp(26px,3vw,38px);font-weight:700;letter-spacing:-.03em}
.pf-flash-card small{font-size:17px;color:var(--muted);font-family:var(--body),"Leelawadee UI",Tahoma,sans-serif}
.pf-flash-back{position:absolute;z-index:0;transform:translate(14px,-10px) rotate(5deg);background:var(--lime);border-color:transparent;box-shadow:none}
.pf-flash-count{margin:0;font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--muted)}
.pf-progress{display:inline-flex;align-self:flex-start;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:5px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.pf-progress::before{content:"";width:7px;height:7px;border-radius:50%;background:#e0a526}

.pf-more{margin-top:28px;display:flex;justify-content:flex-end}

/* Concepts strip */
.pf-concepts{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding:clamp(28px,4vw,40px);border-radius:var(--radius);background:var(--tint);margin-top:clamp(48px,6vw,72px)}
.pf-concepts h3{font-size:clamp(22px,2.2vw,28px);letter-spacing:-.02em}
.pf-concepts p{margin:6px 0 0;color:var(--muted)}

/* Skills */
.pf-skills{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:clamp(18px,2.4vw,28px)}
.pf-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3.4vw,40px)}
.pf-panel-title{font-size:13px;font-family:var(--body);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.pf-caps{list-style:none;margin:0;padding:0}
.pf-caps li{display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.pf-caps li:last-child{border-bottom:0;padding-bottom:0}
.pf-caps span{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--muted);padding-top:5px}
.pf-caps h4{font-family:var(--display);font-size:clamp(20px,1.8vw,24px);letter-spacing:-.02em;margin:0 0 4px}
.pf-caps p{margin:0;color:var(--muted);font-size:16px}
.pf-toolkit{margin:0}
.pf-toolkit div{padding:20px 0;border-bottom:1px solid var(--line)}
.pf-toolkit div:last-child{border-bottom:0;padding-bottom:0}
.pf-toolkit dt{font-family:var(--display);font-size:18px;font-weight:700;letter-spacing:-.01em;margin-bottom:12px}
.pf-toolkit dd{margin:0;display:flex;flex-wrap:wrap;gap:8px}
.pf-toolkit dd span{font-size:14px;font-weight:500;padding:6px 13px;border-radius:999px;background:var(--paper);border:1px solid var(--line)}

/* Resume */
.pf-resume{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:clamp(32px,5vw,72px)}
.pf-resume-title{font-size:14px;font-family:var(--body);font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding-bottom:16px;border-bottom:2px solid var(--ink);margin-bottom:8px}
.pf-timeline{list-style:none;margin:0;padding:0}
.pf-timeline>li{display:grid;grid-template-columns:96px minmax(0,1fr);gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}
.pf-time{margin:0;font-family:var(--display);font-size:24px;font-weight:700;letter-spacing:-.02em}
.pf-timeline h4{font-family:var(--display);font-size:22px;letter-spacing:-.02em;margin:0}
.pf-org{margin:4px 0 12px;color:var(--muted);font-weight:500}
.pf-timeline ul{margin:0;padding-left:18px;color:var(--text)}
.pf-timeline ul li{padding:2px 0}
.pf-resume-side{display:grid;gap:40px;align-content:start}
.pf-langs{list-style:none;margin:0;padding:0}
.pf-langs li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:17px}
.pf-langs strong{font-weight:600}
.pf-edu{margin:16px 0 0;display:grid;gap:6px}
.pf-edu span{color:var(--muted)}

.pf-phone{display:block;margin-top:14px;color:rgba(255,255,255,.78);text-decoration:none;font-size:18px}
.pf-phone:hover{color:#fff}

/* About */
.pf-about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:clamp(32px,6vw,96px);align-items:start}
.pf-about h2{font-size:clamp(36px,5vw,64px);letter-spacing:-.04em;text-wrap:balance}
.pf-about p{margin:0 0 18px;font-size:18px;line-height:1.7}
.pf-about p:last-child{margin-bottom:0;color:var(--muted)}

/* Contact band */
.pf-contact{background:var(--ink);color:#fff;border-radius:calc(var(--radius) + 6px);padding:clamp(40px,7vw,88px);display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:end}
.pf-contact .eyebrow{color:var(--lime)}
.pf-contact h2{font-size:clamp(38px,5.6vw,72px);letter-spacing:-.045em}
.pf-contact h2 em{font-style:normal;color:var(--lime)}
.pf-mail{display:inline-block;margin-top:26px;font-family:var(--display);font-size:clamp(20px,2.6vw,32px);font-weight:700;color:#fff;text-decoration:none;border-bottom:2px solid var(--lime);padding-bottom:4px;overflow-wrap:anywhere}
.pf-mail:hover{color:var(--lime)}
.pf-channels{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-dark)}
.pf-channels a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--line-dark);color:#fff;text-decoration:none;font-weight:500}
.pf-channels a span:last-child{color:var(--muted-dark);transition:transform .2s ease,color .2s ease}
.pf-channels a:hover span:last-child{color:var(--lime);transform:translate(3px,-3px)}

.pf-hero a:focus-visible,.pf-contact a:focus-visible{outline:2px solid var(--lime);outline-offset:4px}
main a:focus-visible{outline:2px solid var(--ink);outline-offset:4px}

/* Gentle reveal; content stays visible without JS */
.js .pf-reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.js .pf-reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  .js .pf-reveal{opacity:1;transform:none;transition:none}
  .pf-browser,.pf-channels a span:last-child{transition:none}
}

@media (max-width:960px){
  .pf-hero-grid,.pf-about,.pf-contact,.pf-resume{grid-template-columns:1fr}
  .pf-case-steps{grid-template-columns:1fr}
  .pf-skills{grid-template-columns:1fr}
}
@media (max-width:640px){
  .pf-grid,.pf-skills{grid-template-columns:1fr}
  .pf-caps li{grid-template-columns:28px minmax(0,1fr);gap:12px}
  .pf-browser-bar .pf-url{display:none}
  .pf-actions .btn{flex:1 1 100%}
  .pf-timeline>li{grid-template-columns:1fr;gap:6px}
  .pf-more{justify-content:flex-start}
}