/* ============ GORDON CHAI — shared styles ============ */
:root{
  --ink:#0c1828; --ink2:#0f1d2f; --surf:#14253a; --surf2:#192d44;
  --line:#283e58; --line2:#344e6c; --text:#e9f1f8; --mute:#8ca1b6;
  --faint:#5c738c; --accent:#f2b544; --green:#5fc896;
  --disp:'Space Grotesk',sans-serif; --body:'Inter',sans-serif; --mono:'IBM Plex Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--text);font-family:var(--body);
  -webkit-font-smoothing:antialiased;line-height:1.55;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1320px;margin:0 auto;padding:0 40px}
.narrow{max-width:860px;margin:0 auto;padding:0 40px}
.mono{font-family:var(--mono)}
.amber{color:var(--accent)}
.eyebrow{font-family:var(--mono);font-size:13px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.lab{font-family:var(--mono);font-weight:600;font-size:11px;letter-spacing:.16em;color:var(--faint);text-transform:uppercase}
.lab.acc{color:var(--accent)}

/* nav */
header{position:sticky;top:0;z-index:50;background:rgba(12,24,40,.82);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{font-family:var(--disp);font-weight:700;font-size:21px;letter-spacing:.02em}
.brand span{color:var(--accent)}
.navlinks{display:flex;gap:30px}
.navlinks a{font-size:15px;font-weight:500;color:var(--mute);transition:color .2s}
.navlinks a:hover,.navlinks a:focus,.navlinks a.active{color:var(--text)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;height:52px;
  padding:0 28px;border-radius:10px;font-weight:600;font-size:16px;transition:.2s;cursor:pointer}
.btn-primary{background:var(--accent);color:#10243a}
.btn-primary:hover{background:#ffcd6e}
.btn-ghost{border:1.5px solid var(--line2);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* hero (home) */
.hero{display:grid;grid-template-columns:1fr 360px;gap:48px;align-items:start;padding:90px 0 70px}
.hero .eyebrow .dim{color:var(--faint)}
.hero .eyebrow b{color:var(--accent);font-weight:500}
h1{font-family:var(--disp);font-weight:600;font-size:clamp(40px,6vw,76px);
  line-height:1.02;letter-spacing:-.02em;margin:22px 0 26px}
h1 .amber{font-weight:700}
.lede{font-size:18px;color:var(--mute);max-width:560px;margin-bottom:34px}
.btns{display:flex;gap:16px;flex-wrap:wrap}

.meta{background:var(--ink2);border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.meta .tag{font-family:var(--mono);font-size:12px;color:var(--faint);letter-spacing:.14em;margin-bottom:14px}
.meta .row{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-top:1px solid var(--line);font-size:14px}
.meta .row:first-of-type{border-top:none}
.meta .k{font-family:var(--mono);font-weight:600;color:var(--accent);font-size:12px;letter-spacing:.1em;padding-top:2px}
.meta .v{text-align:right;font-weight:500}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:7px;vertical-align:middle}

/* section header */
.sechead{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:22px;margin-top:10px}
.sechead .l{font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.2em}
.sechead .r{font-family:var(--mono);font-size:13px;color:var(--faint);letter-spacing:.12em}

/* project rows (home) */
.project{display:grid;grid-template-columns:1.45fr 1fr;gap:48px;align-items:center;
  padding:54px 0;border-bottom:1px solid var(--line)}
.project .open{display:inline-flex;align-items:center;gap:8px;margin-top:16px;
  font-family:var(--mono);font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.05em}
.project .open:hover{gap:12px}

/* browser frame */
.frame{background:var(--surf);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:transform .25s,border-color .25s}
a.cardlink:hover .frame{transform:translateY(-4px);border-color:var(--line2)}
.chrome{display:flex;align-items:center;gap:14px;height:42px;padding:0 16px;background:var(--surf2);border-bottom:1px solid var(--line)}
.dots{display:flex;gap:7px}
.dots i{width:11px;height:11px;border-radius:50%;display:block}
.dots i:nth-child(1){background:#e86b62}.dots i:nth-child(2){background:#f0be5a}.dots i:nth-child(3){background:#6ec88c}
.url{flex:1;background:var(--ink2);border-radius:6px;height:24px;display:flex;align-items:center;padding:0 12px;font-family:var(--mono);font-size:12px;color:var(--mute)}
.url .s{color:var(--faint)}
.shot{position:relative;aspect-ratio:16/10;background:var(--ink2)}
.shot img{width:100%;height:100%;object-fit:cover;object-position:top}

/* image placeholder (delete when you add <img>) */
.ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;padding:10px}
.ph .box{border:1.5px dashed var(--accent);border-radius:8px;padding:16px 26px}
.ph .plbl{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.14em;color:var(--accent)}
.ph .cap{font-size:12px;color:var(--mute);margin-top:6px}

/* spec block (home) */
.idx{font-family:var(--disp);font-weight:700;font-size:38px;color:var(--line2);line-height:1}
.spec .head{display:flex;gap:20px;align-items:baseline}
.spec h3{font-family:var(--disp);font-weight:600;font-size:30px;letter-spacing:-.01em}
.spec .cat{font-size:13.5px;color:var(--mute);margin:6px 0 18px;border-bottom:1px solid var(--line);padding-bottom:18px}
.plat{font-size:15px;font-weight:500;margin:6px 0 20px}
.sys{list-style:none;margin-bottom:22px}
.sys li{display:flex;gap:12px;font-size:15px;padding:4px 0}
.sys li::before{content:"→";color:var(--accent);font-family:var(--mono);font-weight:500}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tags span{font-family:var(--mono);font-size:12px;color:var(--mute);border:1px solid var(--line2);border-radius:6px;padding:5px 11px}
.metric{display:flex;align-items:center;gap:11px;font-size:13.5px;color:var(--mute);border-top:1px solid var(--line);padding-top:14px}
.metric i{width:8px;height:8px;background:var(--accent);display:block;flex:none}

/* capabilities */
.caps{background:var(--ink2);border:1px solid var(--line);border-radius:16px;padding:30px 34px;margin:56px 0}
.caps .list{font-family:var(--disp);font-weight:500;font-size:19px;display:flex;flex-wrap:wrap;gap:14px;margin-top:16px}
.caps .list .sep{color:var(--accent)}

/* ============ CASE STUDY ============ */
.cs-hero{padding:70px 0 40px}
.back{font-family:var(--mono);font-size:13px;color:var(--mute);display:inline-flex;gap:8px;margin-bottom:30px}
.back:hover{color:var(--accent)}
.cs-hero h1{font-size:clamp(38px,5.5vw,62px);margin:14px 0 18px}
.cs-sub{font-size:19px;color:var(--mute);max-width:640px}
.cs-meta{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);border-radius:14px;
  background:var(--ink2);margin:38px 0 0;overflow:hidden}
.cs-meta div{flex:1;min-width:150px;padding:18px 22px;border-right:1px solid var(--line)}
.cs-meta div:last-child{border-right:none}
.cs-meta .k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--faint);text-transform:uppercase}
.cs-meta .v{font-size:15px;font-weight:500;margin-top:6px}
.cs-meta a.v:hover{color:var(--accent)}

.cs-section{padding:46px 0;border-top:1px solid var(--line)}
.cs-section h2{font-family:var(--disp);font-weight:600;font-size:30px;letter-spacing:-.01em;margin:10px 0 18px}
.cs-section p{font-size:17px;color:#c3d2e0;max-width:680px;margin-bottom:16px}
.sysblock{margin-top:34px}
.sysblock h4{font-family:var(--disp);font-weight:600;font-size:20px;margin-bottom:8px}
.sysblock h4 .n{font-family:var(--mono);color:var(--accent);font-size:14px;margin-right:12px}
.sysblock p{font-size:16px;color:var(--mute);max-width:680px}

/* collage gallery */
.collage{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:26px}
.tile{position:relative;background:var(--surf);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tile img{width:100%;height:100%;object-fit:cover}
.tile .ph{position:relative;inset:auto}
.tile.big{grid-column:span 4;aspect-ratio:16/10}
.tile.tall{grid-column:span 2;aspect-ratio:3/4}
.tile.half{grid-column:span 3;aspect-ratio:16/9}
.tile.third{grid-column:span 2;aspect-ratio:4/3}
.tile.phone{grid-column:span 2;aspect-ratio:9/16;background:transparent;border:none}
.tile.phone .pf{height:100%;border:8px solid #1b2f47;border-radius:28px;background:var(--ink2);overflow:hidden;position:relative}
.tile .tcap{position:absolute;left:10px;bottom:10px;font-family:var(--mono);font-size:11px;
  color:var(--mute);background:rgba(12,24,40,.7);padding:4px 9px;border-radius:5px}

.nextproj{display:flex;justify-content:space-between;align-items:center;padding:40px 0;border-top:1px solid var(--line)}
.nextproj .lab{margin-bottom:6px}
.nextproj a{font-family:var(--disp);font-weight:600;font-size:26px}
.nextproj a:hover{color:var(--accent)}

/* ============ ABOUT ============ */
.about-hero{padding:80px 0 30px}
.about-hero h1{font-size:clamp(40px,6vw,72px);max-width:900px}
.about-statement{font-size:clamp(20px,2.4vw,26px);line-height:1.5;color:#cddae6;
  max-width:760px;padding:44px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:30px 0 0;font-family:var(--disp);font-weight:400}
.about-grid{display:grid;grid-template-columns:200px 1fr;gap:40px;padding:50px 0;border-bottom:1px solid var(--line)}
.about-grid .lab{padding-top:6px}
.about-grid p{font-size:17px;color:#c3d2e0;max-width:680px;margin-bottom:18px}
.about-grid p:last-child{margin-bottom:0}
.pull{font-family:var(--disp);font-weight:600;font-size:clamp(24px,3.2vw,34px);
  line-height:1.25;letter-spacing:-.01em;color:var(--text);padding:54px 0;max-width:860px}
.pull .amber{color:var(--accent)}

/* footer */
footer{border-top:1px solid var(--line);padding:52px 0 40px}
.foot-cta{font-family:var(--disp);font-weight:600;font-size:clamp(28px,4vw,42px);line-height:1.1}
.foot-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-top:30px}
.foot-row a.email{font-size:19px;font-weight:500}
.foot-social{display:flex;gap:26px}
.foot-social a{font-size:15px;color:var(--mute)}.foot-social a:hover{color:var(--accent)}
.foot-base{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:28px;padding-top:20px;font-family:var(--mono);font-size:12px;color:var(--faint)}

/* ===== responsive ===== */
/* tablet / small laptop */
@media(max-width:1024px){
  .wrap,.narrow{padding:0 32px}
  .hero{gap:36px}
  .hero{grid-template-columns:1fr 320px}
  .project{gap:34px}
  .collage{grid-template-columns:repeat(4,1fr)}
  .tile.big{grid-column:span 4;aspect-ratio:16/9}
  .tile.phone{grid-column:span 2;aspect-ratio:3/4}
  .tile.tall{grid-column:span 2}
  .tile.half{grid-column:span 2;aspect-ratio:16/10}
  .tile.third{grid-column:span 2;aspect-ratio:4/3}
}
/* stack: phones + portrait tablets */
@media(max-width:820px){
  .wrap,.narrow{padding:0 22px}
  .hero{grid-template-columns:1fr;gap:30px;padding:48px 0 36px}
  .meta{order:2;max-width:440px}
  h1{font-size:clamp(34px,8vw,54px)}
  .btns{width:100%}
  .btns .btn{flex:1 1 auto}
  .project{grid-template-columns:1fr;gap:22px;padding:36px 0}
  .about-grid{grid-template-columns:1fr;gap:14px;padding:32px 0}
  .collage{grid-template-columns:repeat(2,1fr);gap:12px}
  .tile.big,.tile.half,.tile.third,.tile.tall{grid-column:span 2;aspect-ratio:16/10}
  .tile.phone{grid-column:span 1;aspect-ratio:9/16}
  .cs-meta div{min-width:50%;border-right:none;border-bottom:1px solid var(--line)}
  .cs-meta div:nth-child(odd){border-right:1px solid var(--line)}
  .cs-section p,.sysblock p,.about-grid p{font-size:16px}
}
/* small phones */
@media(max-width:430px){
  .brand{font-size:19px}
  .navlinks{gap:18px}
  .navlinks a{font-size:14px}
  .sechead .r{display:none}
  .collage{grid-template-columns:1fr}
  .tile.big,.tile.half,.tile.third,.tile.tall,.tile.phone{grid-column:span 1;aspect-ratio:16/10}
  .tile.phone{aspect-ratio:9/16}
  .foot-row{flex-direction:column;align-items:flex-start;gap:18px}
  .nextproj{flex-direction:column;align-items:flex-start;gap:18px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}