/* MStar ecosystem base — shared by sean (portfolio) + mstar-productions.
   Dark technical production aesthetic: console panels, drawing grid, mono data labels. */
:root{
  --bg:#0a0b0d; --bg-2:#0f1114; --panel:#14171b; --panel-2:#1a1e23;
  --line:#252a31; --line-2:#363c45; --text:#ecebe6; --muted:#a3a9b1; --dim:#7d848d;
  --accent:#ff3d7f; --accent-ink:#1a0710; --cyan:#4cc9d9; --amber:#ffb547; --ok:#46c37b; --bad:#ef5a5f;
  --font:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1200px; --r:4px; --hdr:60px;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 12px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.6 var(--font);font-stretch:100%;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,svg,canvas,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration-color:var(--line-2);text-underline-offset:3px}
a:hover{text-decoration-color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--accent);color:var(--accent-ink);padding:10px 14px;font-weight:700;border-radius:var(--r);text-decoration:none}
.skip:focus{top:12px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}
h1,h2,h3,h4{margin:0;line-height:1.05;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2.6rem,10vw,6.2rem);font-stretch:112%;text-transform:uppercase;letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,5.4vw,3.1rem);font-stretch:108%;text-transform:uppercase}
h3{font-size:1.15rem;font-stretch:105%}
p{margin:0 0 1em}
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.kicker{display:flex;align-items:center;gap:.6rem;margin:0 0 .9rem;font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.kicker::before{content:"";width:22px;height:1px;background:currentColor}
.lead{font-size:clamp(1.02rem,2.4vw,1.2rem);color:var(--muted);max-width:44rem}
.muted{color:var(--muted)}
.section{padding:72px 0;border-top:1px solid var(--line);position:relative}
@media (min-width:900px){.section{padding:104px 0}}
.section__head{max-width:46rem;margin-bottom:36px}
.section__head p:last-child{margin-bottom:0}
.grid-bg{background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px;background-position:-1px -1px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;padding:.75rem 1.2rem;border:1px solid var(--line-2);border-radius:var(--r);background:transparent;color:var(--text);font:700 .86rem/1.1 var(--font);font-stretch:110%;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,color .15s,transform .15s;white-space:nowrap}
@media (max-width:599px){.btn{white-space:normal;text-align:center}}
.btn:hover{border-color:var(--text)}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn--primary:hover{background:#ff5b93;border-color:#ff5b93}
.btn--sm{min-height:40px;padding:.5rem .9rem;font-size:.78rem}
.btn--block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn-row{display:flex;flex-wrap:wrap;gap:10px}
@media (max-width:479px){.btn-row--stack .btn{flex:1 1 100%}}
.chip{display:inline-flex;align-items:center;gap:.4rem;min-height:40px;padding:.4rem .8rem;border:1px solid var(--line-2);border-radius:999px;background:var(--panel);font:600 .82rem/1 var(--font);cursor:pointer;color:var(--muted)}
.chip[aria-pressed="true"],.chip.is-on,.chip[aria-selected="true"]{border-color:var(--cyan);color:var(--text);background:#10262a}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r)}
.tag{display:inline-block;font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line-2);border-radius:2px;padding:.2rem .45rem}
/* header */
.hdr{position:sticky;top:0;z-index:100;background:rgba(10,11,13,.96);border-bottom:1px solid var(--line)}
.hdr__in{display:flex;align-items:center;gap:16px;height:var(--hdr)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-stretch:115%;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}
.brand img{width:34px;height:34px;border-radius:50%;object-fit:cover;border:1px solid var(--line-2)}
.brand small{display:block;font:500 .62rem/1.2 var(--mono);letter-spacing:.12em;color:var(--muted)}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{padding:.5rem .7rem;font-size:.86rem;font-weight:600;text-decoration:none;color:var(--muted);border-radius:var(--r)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--text)}
.nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--accent)}
.nav .btn{color:var(--accent-ink);margin-left:8px}
.nav-toggle{display:none;margin-left:auto;width:48px;height:48px;border:1px solid var(--line-2);border-radius:var(--r);background:transparent;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;margin:4px auto;background:var(--text);transition:transform .2s}
@media (max-width:959px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:var(--hdr);flex-direction:column;align-items:stretch;padding:12px 20px 20px;background:var(--bg);border-bottom:1px solid var(--line);max-height:calc(100dvh - var(--hdr));overflow:auto}
  .nav.open{display:flex}
  .nav a{padding:.9rem .4rem;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--accent);padding-left:.8rem}
  .nav .btn{margin:14px 0 0;border-bottom:0}
  .nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(3px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3px) rotate(-45deg)}
}
/* footer */
.ftr{border-top:1px solid var(--line);padding:48px 0 calc(32px + env(safe-area-inset-bottom));background:var(--bg-2);font-size:.92rem}
.ftr__grid{display:grid;gap:28px}
@media (min-width:768px){.ftr__grid{grid-template-columns:1.3fr 1fr 1fr}}
.ftr h2{font-size:.78rem;font-family:var(--mono);letter-spacing:.12em;color:var(--muted);margin-bottom:12px;font-weight:600}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.ftr a{text-decoration:none;color:var(--text)}
.ftr a:hover{color:var(--accent)}
.ftr__base{margin-top:36px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;color:var(--dim);font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}
.social-pair{display:inline-flex;flex-wrap:nowrap;gap:8px;white-space:nowrap}
.social-pair a{display:inline-flex;align-items:center;min-height:40px;padding:.4rem .8rem;border:1px solid var(--line-2);border-radius:var(--r);font-weight:600;font-size:.84rem;text-decoration:none}
.social-pair a:hover{border-color:var(--text)}
/* cross-link band */
.xlink{display:grid;gap:18px;align-items:center;padding:28px;border:1px solid var(--line-2);border-left:3px solid var(--accent);border-radius:var(--r);background:var(--panel)}
@media (min-width:768px){.xlink{grid-template-columns:1fr auto;padding:32px 36px}}
.xlink h2{font-size:clamp(1.3rem,3.4vw,1.9rem)}
.xlink p{margin:.5rem 0 0;color:var(--muted)}
/* forms */
.field{display:grid;gap:6px;min-width:0}
.field label,.field legend{font-weight:600;font-size:.9rem}
.field .hint{font-size:.8rem;color:var(--dim)}
.input,.field input:not([type=checkbox]):not([type=radio]),.field select,.field textarea{width:100%;min-height:48px;padding:.7rem .8rem;background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r);font-size:16px;color:var(--text)}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);outline:none;box-shadow:0 0 0 2px rgba(76,201,217,.35)}
.field [aria-invalid="true"]{border-color:var(--bad)}
.field .err{color:var(--bad);font-size:.82rem;min-height:0}
.req{color:var(--accent)}
.hp{position:absolute!important;left:-9999px;width:1px;height:0;overflow:hidden}
.choice{display:flex;align-items:center;gap:10px;min-height:48px;padding:.6rem .8rem;border:1px solid var(--line-2);border-radius:var(--r);background:var(--bg-2);cursor:pointer;font-weight:600}
.choice input{width:18px;height:18px;accent-color:var(--accent);flex:none}
.choice:has(input:checked){border-color:var(--cyan);background:#10262a}
.choice:has(input:focus-visible){outline:2px solid var(--cyan);outline-offset:2px}
input[type=range]{width:100%;accent-color:var(--accent);min-height:32px}
.summary{display:grid;gap:0;margin:0;border:1px solid var(--line);border-radius:var(--r)}
.summary div{display:grid;grid-template-columns:minmax(110px,34%) 1fr;gap:12px;padding:.7rem .9rem;border-bottom:1px solid var(--line)}
.summary div:last-child{border-bottom:0}
.summary dt{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:.15rem}
.summary dd{margin:0;overflow-wrap:anywhere;white-space:pre-line}
.notice{padding:.9rem 1rem;border:1px solid var(--line-2);border-left:3px solid var(--cyan);border-radius:var(--r);background:var(--panel);font-size:.92rem}
.notice--ok{border-left-color:var(--ok)}
.notice--bad{border-left-color:var(--bad)}
.notice--warn{border-left-color:var(--amber)}
/* reveal */
.js .rv{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none}}
/* media */
.ph{position:relative;overflow:hidden;background:var(--panel);border:1px solid var(--line);border-radius:var(--r)}
.ph img{width:100%;height:100%;object-fit:cover}
.ph figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 12px 10px;background:linear-gradient(transparent,rgba(0,0,0,.82));font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase}
.todo-data{display:none!important}