/* =============================================================
   HOMEPAGE STYLES
   -------------------------------------------------------------
   Layout, spacing and colours for index.html only.
   The two case-study pages use theme.css plus their own file.
   ============================================================= */

:root{
  --ground:#08080A; --surface:#111114; --panel:#0E0E11;
  --line:#232329; --line-2:#18181D;
  --ink:#F4F4F6; --ink-2:#9C9CA6; --ink-3:#8A8A93; --ctrl-line:#6A6A72;
  --blue:#5B93FF; --amber:#FFB65C;
  --glow-a:rgba(70,120,255,.115); --glow-b:rgba(255,168,70,.075);
  --grid:rgba(255,255,255,.035);
  --shadow:0 24px 60px rgba(0,0,0,.55);
}
:root[data-theme="light"]{
  --ground:#FBFAF7; --surface:#FFFFFF; --panel:#0E0E11;
  --line:#E6E3DC; --line-2:#EFEDE7;
  --ink:#0E0E11; --ink-2:#4E4E57; --ink-3:#6E6D76; --ctrl-line:#8E8D93;
  --blue:#1B5BE0; --amber:#A2590F;
  --glow-a:rgba(70,120,255,.075); --glow-b:rgba(255,150,40,.055);
  --grid:rgba(0,0,0,.045);
  --shadow:0 20px 44px rgba(20,18,14,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:'Hanken Grotesk','Helvetica Neue',Arial,sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3{font-family:'Familjen Grotesk','Helvetica Neue',Arial,sans-serif;text-wrap:balance;margin:0}
a{color:inherit;text-decoration:none}

/* ---------- atmosphere ---------- */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg .grid{
  position:absolute;inset:-2px;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:88px 88px;
  mask-image:radial-gradient(ellipse 100% 70% at 50% 30%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 100% 70% at 50% 30%,#000 20%,transparent 78%);
}
.bg .orb{position:absolute;border-radius:50%;filter:blur(120px)}
.bg .a{width:56vw;height:56vw;background:var(--glow-a);left:-14vw;top:-18vw;animation:drift1 34s ease-in-out infinite alternate}
.bg .b{width:44vw;height:44vw;background:var(--glow-b);right:-12vw;top:22vh;animation:drift2 42s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate3d(9vw,7vh,0) scale(1.12)}}
@keyframes drift2{to{transform:translate3d(-7vw,-6vh,0) scale(1.08)}}
@media (prefers-reduced-motion:reduce){.bg .orb{animation:none}}

/* ---------- chrome ---------- */
.bar{
  position:fixed;top:0;left:0;right:0;z-index:30;display:flex;align-items:center;
  padding:18px 34px;mix-blend-mode:normal;
}
.mark{font-family:'Familjen Grotesk',sans-serif;font-weight:700;letter-spacing:-.01em;font-size:16px}
.mark i{font-style:normal;color:var(--blue)}
.bar .sp{flex:1}
.tt{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.04em;color:var(--ink);
  background:color-mix(in srgb,var(--surface) 80%,transparent);
  border:1px solid var(--ctrl-line);border-radius:999px;padding:7px 14px 7px 11px;
  backdrop-filter:blur(10px);transition:color .18s,border-color .18s;
}
.tt:hover{color:var(--ink);border-color:var(--ink-3)}
.tt:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.tt svg{width:14px;height:14px;flex:none}
.tt .sun{display:none}
:root[data-theme="light"] .tt .sun{display:block}
:root[data-theme="light"] .tt .moon{display:none}

main{position:relative;z-index:1}
.wrap{max-width:1180px;margin:0 auto;padding:0 34px}

/* ---------- hero ---------- */
.hero{min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:16vh}
.hero .eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amber);margin-bottom:26px;display:flex;align-items:center;gap:12px;
}
.hero .eyebrow::after{content:"";height:1px;flex:1;max-width:120px;background:linear-gradient(90deg,var(--amber),transparent);opacity:.5}
.hero h1{font-size:clamp(38px,6.4vw,78px);line-height:1.0;letter-spacing:-.035em;font-weight:700}
.hero h1 .role{color:var(--blue)}
.hero .lines{margin-top:34px;display:grid;gap:14px;max-width:640px}
.hero .lines p{margin:0;font-size:clamp(16px,1.5vw,19px);color:var(--ink-2);display:flex;gap:14px;align-items:baseline}
.hero .lines p b{
  font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ink-3);
  flex:none;width:22px;padding-top:2px;font-weight:400;
}
.hero .lines em{font-family:'Instrument Serif',Georgia,serif;font-style:italic;color:var(--ink);font-size:1.08em}
.cue{
  margin-top:52px;display:inline-flex;align-items:center;gap:10px;color:var(--ink-3);
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
}
.cue span.l{width:38px;height:1px;background:var(--ink-3);position:relative;overflow:hidden}
.cue span.l::after{content:"";position:absolute;inset:0;background:var(--blue);transform:translateX(-100%);animation:sweep 2.6s ease-in-out infinite}
@keyframes sweep{50%{transform:translateX(0)}100%{transform:translateX(100%)}}
@media (prefers-reduced-motion:reduce){.cue span.l::after{animation:none}}

/* ---------- projects ---------- */
.projects{padding:120px 0 120px;scroll-margin-top:0}
.sechead{display:flex;align-items:baseline;gap:18px;padding-bottom:30px;border-bottom:1px solid var(--line);margin-bottom:12px}
.sechead .n{margin-left:auto}
.sechead h2{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.025em;font-weight:700}
.sechead .n{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ink-3);letter-spacing:.1em}

.row{padding:46px 0;border-bottom:1px solid var(--line-2)}
.lnk{
  display:grid;grid-template-columns:minmax(0,430px) 1fr;gap:56px;align-items:center;color:inherit;
}
@media(max-width:860px){.lnk{grid-template-columns:1fr;gap:26px}.row{padding:34px 0}}
.thumb{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:20px;overflow:hidden;
  aspect-ratio:1/1;display:grid;place-items:center;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .3s,box-shadow .35s;
}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
a.lnk:hover .thumb, a.lnk:focus-visible .thumb{transform:translateY(-6px);border-color:var(--blue);box-shadow:var(--shadow)}
a.lnk:focus-visible{outline:2px solid var(--blue);outline-offset:8px;border-radius:22px}

.meta .idx{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.16em;color:var(--amber);display:block;margin-bottom:14px}
.meta h3{font-size:clamp(22px,2.6vw,31px);line-height:1.15;letter-spacing:-.02em;font-weight:600;transition:color .25s}
a.lnk:hover .meta h3{color:var(--blue)}
.meta .tags{
  margin-top:12px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--ink-2);letter-spacing:.02em;
}
.meta .tags .sep{color:var(--ink-3);padding:0 8px}
.meta .go{
  margin-top:22px;display:inline-flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);
}
.meta .go svg{width:15px;height:15px;transition:transform .3s cubic-bezier(.2,.7,.3,1)}
a.lnk:hover .go svg{transform:translate(4px,-4px)}

/* placeholder state */
.row.ph .thumb{border-style:dashed;background:transparent}
.row.ph .thumb .box{display:grid;place-items:center;gap:14px;color:var(--ink-3);text-align:center;padding:24px}
.row.ph .thumb .box .sq{
  width:54px;height:54px;border:1px dashed var(--line);border-radius:14px;display:grid;place-items:center;color:var(--ink-3);
}
.row.ph .thumb .box p{margin:0;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.row.ph .meta h3{color:var(--ink-3)}
.row.ph .meta .idx{color:var(--ink-3)}
.row.ph .soon{color:var(--ink-2);
  margin-top:22px;display:inline-flex;align-items:center;gap:9px;
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;
}
.row.ph .soon i{width:6px;height:6px;border-radius:50%;background:var(--amber);display:block;opacity:.75}

footer{border-top:1px solid var(--line);padding:44px 0 70px}
.fgrid{display:flex;flex-wrap:wrap;gap:26px;align-items:baseline;justify-content:space-between}
footer .cn{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ink-3);letter-spacing:.04em}
footer a.mail{color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:2px;transition:color .2s,border-color .2s}
footer a.mail:hover{color:var(--blue);border-color:var(--blue)}

.reveal{opacity:0;transform:translateY(14px)}
.reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}