/* Open Tech Source website. Colours, Anuphan type and rounded corners follow openticket (shared look, 2026-11-02),
   so the site and the portal read as one system. */
@font-face{font-family:"Anuphan";font-weight:400;font-display:swap;src:url(fonts/anuphan-thai-400-normal.woff2) format("woff2");unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"Anuphan";font-weight:500;font-display:swap;src:url(fonts/anuphan-thai-500-normal.woff2) format("woff2");unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"Anuphan";font-weight:600;font-display:swap;src:url(fonts/anuphan-thai-600-normal.woff2) format("woff2");unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"Anuphan";font-weight:400;font-display:swap;src:url(fonts/anuphan-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Anuphan";font-weight:500;font-display:swap;src:url(fonts/anuphan-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Anuphan";font-weight:600;font-display:swap;src:url(fonts/anuphan-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --bg:#f6f6f4; --surface:#fff; --ink:#1b1b19; --muted:#5f5e5a; --line:#e2e0d9;
  --accent:#1f6fd1; --accent-ink:#fff; --accent-soft:#e7f0fb;
  --green:#3b6d11; --green-bg:#eaf3de; --yellow:#854f0b; --yellow-bg:#faeeda; --red:#a32d2d; --red-bg:#fdecec;
  --hero:#10233f; --hero-ink:#f2f5fa; --hero-muted:#b4c2d4;
  --radius:12px; --shadow:0 1px 2px rgba(0,0,0,.05),0 8px 24px rgba(0,0,0,.06);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#161615; --surface:#1f1f1e; --ink:#ecebe6; --muted:#a3a29c; --line:#34332f;
    --accent:#4a90e2; --accent-soft:#1b2a3d; --green:#97c459; --green-bg:#173404;
    --yellow:#efb45a; --yellow-bg:#412402; --red:#f09595; --red-bg:#4a1b1b; --hero:#0b1626; --shadow:none;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "Anuphan","Sarabun",system-ui,sans-serif}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.mono{font-family:Consolas,Menlo,monospace}
h1,h2,h3,b,strong{font-weight:600}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;border-radius:8px;z-index:20}
.skip:focus{left:8px}
svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* header */
.site-header{position:sticky;top:0;z-index:10;background:var(--surface);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;text-decoration:none;color:var(--ink);white-space:nowrap}
.brand img{border-radius:50%;background:#fff}
.links{display:flex;align-items:center;gap:20px;margin-left:auto}
.links a{color:var(--muted);text-decoration:none;font-size:15px}
.links a:hover{color:var(--ink)}
.links a.btn-primary{color:var(--accent-ink)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:40px;padding:0;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:4px auto}
@media (max-width:900px){
  .nav-toggle{display:block}
  .links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 20px 16px}
  .nav.open .links{display:flex}
  .links a{padding:12px 0;border-bottom:1px solid var(--line);font-size:16px}
  .links a.btn{margin-top:12px;justify-content:center;border-bottom:0}
}

.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:10px 16px;font:inherit;font-weight:600;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;line-height:1.3}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-primary:disabled{opacity:.6;cursor:wait}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btns{display:flex;flex-wrap:wrap;gap:8px}

/* hero */
.hero{background:var(--hero);color:var(--hero-ink);padding:72px 0 128px}
.hero h1{font-size:clamp(28px,4.6vw,46px);line-height:1.3;margin:0 0 16px;max-width:780px}
.hero p{color:var(--hero-muted);font-size:18px;max-width:640px;margin:0}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.06em;color:#8fb8ef;margin-bottom:14px}
.actions{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-84px;position:relative}
.action{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:flex-start}
.action h2{margin:10px 0 6px;font-size:19px}
.action p{margin:0 0 16px;color:var(--muted);font-size:15px;flex:1}
.ico{width:40px;height:40px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:inline-grid;place-items:center;flex:none;font-weight:600}
.ico svg{width:22px;height:22px}
@media (max-width:900px){.actions{grid-template-columns:1fr}}

section{padding:80px 0}
.kicker{color:var(--accent);font-weight:600;font-size:14px;letter-spacing:.04em}
section h2{font-size:clamp(25px,3.2vw,34px);line-height:1.3;margin:6px 0 12px}
.lead{color:var(--muted);max-width:640px;margin:0 0 32px}
.alt{background:var(--surface);border-block:1px solid var(--line)}

/* portal */
.split{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center}
.feat{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:16px}
.feat li{display:grid;grid-template-columns:28px 1fr;gap:12px}
.feat b{display:block}
.feat span{color:var(--muted);font-size:15px}
.tick{width:24px;height:24px;border-radius:50%;background:var(--green-bg);color:var(--green);display:grid;place-items:center;font-size:13px;font-style:normal;margin-top:2px}
.mock{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.mock-bar{display:flex;gap:6px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.mock-bar span{margin-left:10px}
.tabs{display:flex;gap:4px;padding:12px 14px 0}
.tabs b{font-size:13px;padding:6px 12px;border-radius:8px 8px 0 0;color:var(--muted);font-weight:500}
.tabs b.on{background:var(--accent-soft);color:var(--accent);font-weight:600}
.mock figcaption{font-size:12px;color:var(--muted);padding:8px 14px;border-top:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 14px;border-top:1px solid var(--line)}
th{color:var(--muted);font-weight:500;font-size:13px}
.pill{font-size:12px;padding:2px 10px;border-radius:999px;white-space:nowrap}
.p-green{background:var(--green-bg);color:var(--green)}
.p-yellow{background:var(--yellow-bg);color:var(--yellow)}
.p-blue{background:var(--accent-soft);color:var(--accent)}
@media (max-width:900px){.split{grid-template-columns:1fr}}
@media (max-width:560px){.hide-sm{display:none}}

/* flow */
.flow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:s}
.step{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.step::before{counter-increment:s;content:counter(s);display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-weight:600;font-size:14px}
.step h3{margin:10px 0 4px;font-size:16px}
.step p{margin:0;color:var(--muted);font-size:14px}
.step small{display:block;margin-top:8px;font-size:12px;color:var(--accent)}
@media (max-width:960px){.flow{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.flow{grid-template-columns:1fr}}

/* services */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--surface)}
.card h3{margin:12px 0 6px;font-size:17px}
.card p{margin:0;color:var(--muted);font-size:15px}
@media (max-width:900px){.grid3{grid-template-columns:1fr}}
.qr{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-top:40px}
.qr-ico{width:96px;height:96px;border-radius:16px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.qr-ico svg{width:56px;height:56px;stroke-width:1.6}
.qr h3{margin:6px 0 8px;font-size:21px}
.qr p{margin:0;color:var(--muted)}
@media (max-width:640px){.qr{grid-template-columns:1fr}}

/* forms */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:grid;gap:14px}
.alt .panel{background:var(--bg)}
label{font-size:14px;font-weight:500;display:grid;gap:6px}
input,select,textarea{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:10px;padding:10px 12px;font:inherit;font-size:16px;width:100%}
.alt input,.alt select{background:var(--surface)}
textarea{resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label.check{display:flex;gap:8px;align-items:flex-start;font-weight:400}
label.check input{width:auto;margin-top:5px}
label.check a{margin-left:4px}
.hint{font-size:13px;color:var(--muted);margin:0}
.msg{display:none;margin:0;padding:10px 12px;border-radius:10px;font-size:15px}
.msg.show{display:block}
.msg.success{background:var(--green-bg);color:var(--green)}
.msg.error{background:var(--red-bg);color:var(--red)}
.msg.warn{background:var(--yellow-bg);color:var(--yellow)}
.contact{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
.ways{display:grid;gap:12px}
.way{display:flex;gap:14px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);text-decoration:none}
.way b{display:block;word-break:break-word}
.way small{color:var(--muted);font-size:14px}
[hidden]{display:none!important}
@media (max-width:900px){.contact,.row{grid-template-columns:1fr}}

footer{padding:40px 0;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between}

/* document pages (privacy) */
.back{margin-left:auto}
.doc{max-width:760px;padding-top:40px;padding-bottom:64px}
.doc h1{font-size:clamp(26px,3.4vw,34px);margin:0 0 4px}
.doc h2{font-size:19px;margin:32px 0 8px}
.doc .updated{color:var(--muted);font-size:14px;margin:0 0 24px}
.draft{background:var(--yellow-bg);color:var(--yellow);border-radius:10px;padding:14px 16px;margin-bottom:24px;font-size:14px}

/* part search */
.field{display:flex;gap:8px}
.field input{flex:1;min-width:0}
.parts{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.part{display:grid;grid-template-columns:1fr auto;gap:4px 16px;align-items:start;border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--surface)}
.part b{font-size:16px}
.part .meta{grid-column:1;color:var(--muted);font-size:14px}
.part .pill{grid-column:2;grid-row:1}
.part .btn{grid-column:2;grid-row:2;justify-self:end;padding:6px 12px;font-size:14px}
.p-gray{background:var(--line);color:var(--muted)}
@media (max-width:560px){.part{grid-template-columns:1fr}.part .pill,.part .btn{grid-column:1;grid-row:auto;justify-self:start}}

/* language switch */
.links a.lang{border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:13px;font-weight:600;color:var(--ink)}
@media (max-width:900px){.links a.lang{align-self:flex-start;margin-top:12px;padding:6px 14px;border:1px solid var(--line)}}

/* dark mode logo, after the light rule so it wins (same as openticket) */
@media (prefers-color-scheme:dark){.brand img{filter:invert(1);background:transparent}}