/* ---------- Top bar ---------- */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 10;
  height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-inline: var(--gutter);
  background: rgba(11,11,12,0.85);
  border-bottom: var(--rule) solid var(--line);
  backdrop-filter: blur(10px);
}
.topbar__brand { flex-shrink: 0; font-weight: 800; letter-spacing: 0.02em; text-decoration: none; text-transform: uppercase; }
.topbar__brand b { color: var(--accent); font-weight: 800; }
.topbar__nav { position: relative; display: flex; gap: 1.5rem; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.topbar__nav::-webkit-scrollbar { display: none; }
.topbar__nav a { position: relative; padding-block: 4px; white-space: nowrap; text-decoration: none; color: var(--ink-dim); transition: color .2s; }
.topbar__nav a:hover, .topbar__nav a.is-active { color: var(--ink); }
.topbar__indicator {
  position: absolute; bottom: 0; left: 0; height: 2px; width: 0;
  background: var(--accent); border-radius: 2px;
  transition: transform .35s var(--ease-flow), width .35s var(--ease-flow), opacity .2s;
  opacity: 0;
}
.topbar__indicator.is-set { opacity: 1; }
.topbar__clock { color: var(--ink-dim); white-space: nowrap; }
@media (max-width: 760px) { .topbar__clock { display: none; } .topbar__nav { gap: 1rem; } }

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: calc(var(--topbar-h) + clamp(2rem, 8vw, 6rem)); padding-bottom: clamp(2rem, 6vw, 4rem); overflow: clip; }
.hero::before {
  content: ""; position: absolute; top: -10%; left: 50%; translate: -50% 0;
  width: min(900px, 140vw); aspect-ratio: 1.6; pointer-events: none; z-index: -1;
  background: radial-gradient(ellipse at center, rgba(225,6,0,0.16), transparent 70%);
}
.hero__meta { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.hero__name {
  font-size: var(--step-hero);
  font-weight: 800;
  line-height: 0.86;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}
.hero__name span { color: var(--accent); }
.hero__bar {
  display: inline-block;
  margin-top: 1.75rem;
  padding: .55rem 1rem;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 700; font-size: var(--step-1); text-transform: uppercase; letter-spacing: .01em;
  border-radius: 2px;
}
.hero__tagline { max-width: 46ch; margin-top: 1.5rem; color: var(--ink-dim); font-size: var(--step-1); line-height: 1.4; }
.hero__stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin-top: 3rem; border-top: var(--rule) solid var(--line); }
.hero__stats div { position: relative; padding: 1.25rem 1rem 1rem 0; }
.hero__stats div::before { content: ""; position: absolute; top: -1px; left: 0; width: 22px; height: 2px; background: var(--accent); }
.hero__stats strong { display: block; font-size: var(--step-3); line-height: 1; font-weight: 800; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(3rem, 8vw, 6rem); }
.section__head {
  display: flex; align-items: baseline; gap: 1rem;
  border-top: var(--rule) solid var(--line);
  padding-top: .9rem; margin-bottom: 2rem;
}
.section__num { color: var(--accent); }
.section__title { font-size: var(--step-3); font-weight: 800; text-transform: uppercase; letter-spacing: -0.01em; line-height: 1; }
.section__intro { max-width: 60ch; color: var(--ink-dim); margin: -0.75rem 0 2rem; }

/* ---------- Project cards ---------- */
/* min width kept low enough that 4 cards share one row down to ~1150px of content width */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); gap: 1px; background: var(--line); border: var(--rule) solid var(--line); }
.card {
  position: relative; display: flex; flex-direction: column; gap: .75rem;
  padding: 1.1rem 1.1rem 1.3rem;
  background: var(--bg);
  border-left: 2px solid transparent;
  transition: background .3s, border-color .3s, transform .3s var(--ease-flow);
}
.card:hover { background: var(--bg-raised); border-left-color: var(--accent); transform: translateY(-3px); }
.card__top { display: flex; justify-content: space-between; }
.card__img-wrap { aspect-ratio: 16/9; overflow: clip; background: var(--bg-raised); }
.card__img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.5) contrast(1.05); transition: transform .5s var(--ease-flow), filter .3s; }
.card:hover .card__img { transform: scale(1.06); filter: grayscale(0) contrast(1.05); }
.card__title { font-size: var(--step-1); font-weight: 800; text-transform: uppercase; line-height: 1.05; }
.card__role { margin-top: -.5rem; }
.card__desc { flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag { padding: .15rem .5rem; border: var(--rule) solid var(--line); color: var(--ink-dim); border-radius: 2px; transition: border-color .2s, color .2s; }
.card:hover .tag { border-color: var(--accent); color: var(--ink); }
.card__links { display: flex; gap: 1rem; margin-top: .25rem; }
.card__links a { font-weight: 700; text-decoration: none; border-bottom: 2px solid currentColor; }
.card__links a:hover { color: var(--accent); }
.card__status { color: var(--accent); }

/* ---------- Experience ---------- */
.timeline { border-top: var(--rule) solid var(--line); }
.role { position: relative; display: grid; grid-template-columns: 11rem 1fr; gap: 1rem 2rem; padding: 1.35rem 0 1.35rem 1rem; border-bottom: var(--rule) solid var(--line); }
.role::before { content: ""; position: absolute; left: 0; top: 1.35rem; bottom: 1.35rem; width: 2px; background: var(--line); transition: background .25s; }
.role:hover::before { background: var(--accent); }
.role__title { font-weight: 800; text-transform: uppercase; font-size: var(--step-1); line-height: 1.1; }
.role__org { color: var(--accent); }
@media (max-width: 640px) { .role { grid-template-columns: 1fr; gap: .4rem; } }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; }
.about__body { display: grid; gap: 1rem; max-width: 62ch; font-size: var(--step-1); line-height: 1.5; }
.facts { border-top: var(--rule) solid var(--line); align-self: start; }
.facts div { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 0; border-bottom: var(--rule) solid var(--line); }
.skills { margin-top: 1.75rem; display: grid; gap: 1rem; }
.skills__group h3 { margin-bottom: .5rem; color: var(--ink-dim); }
.skills__chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { padding: .2rem .55rem; border: var(--rule) solid var(--line); color: var(--ink-dim); border-radius: 2px; transition: border-color .2s, color .2s; }
.chip:hover { border-color: var(--accent); color: var(--ink); }
@media (max-width: 800px) { .about { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- Contact ---------- */
.contact__mail {
  display: block; font-size: clamp(1.2rem, 0.9rem + 1.6vw, 2.25rem);
  font-weight: 800; text-transform: uppercase; line-height: 1.1; letter-spacing: -0.01em;
  text-decoration: none; word-break: break-all; transition: color .2s;
}
.contact__mail:hover { color: var(--accent); }
.contact__links { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.btn { padding: .6rem 1.1rem; border: var(--rule) solid var(--ink); border-radius: 2px; text-decoration: none; font-weight: 700; text-transform: uppercase; transition: background .2s, color .2s, border-color .2s; }
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ---------- Worked-with logo strip (banner section, no heading/number) ---------- */
.section--banner { padding-block: clamp(2rem, 5vw, 3rem) 0; }
.marquee__label { text-align: center; color: var(--ink-dim); letter-spacing: .14em; margin-bottom: 1.1rem; }
.marquee {
  overflow: hidden; border-block: var(--rule) solid var(--line); background: var(--bg-raised);
  padding-block: 1.75rem;
  -webkit-mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
  mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
}
/* Track holds many repeated .marquee__set groups (see logos.js); the same
   gap value on the track and inside each set keeps spacing even across the
   seams between one copy and the next. -50% always lands on a copy
   boundary because the track always holds an even number of copies. */
.marquee__track { --logo-gap: clamp(3rem, 6vw, 6rem); display: flex; align-items: center; gap: var(--logo-gap); width: max-content; animation-name: marquee; animation-timing-function: linear; animation-iteration-count: infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee__set { display: flex; align-items: center; gap: var(--logo-gap); flex-shrink: 0; }
.marquee__item { flex-shrink: 0; display: flex; align-items: center; }
.marquee__logo { height: 58px; width: auto; max-width: 220px; object-fit: contain; filter: grayscale(1); opacity: .65; transition: opacity .2s; }
.marquee__item:hover .marquee__logo { opacity: 1; }
.marquee__wordmark { color: var(--ink-dim); font-size: var(--step-1); letter-spacing: .08em; padding: .5rem 1.1rem; border: var(--rule) solid var(--line); border-radius: 2px; transition: color .2s, border-color .2s; }
.marquee__item:hover .marquee__wordmark { color: var(--ink); border-color: var(--accent); }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---------- Errors ---------- */
.error { max-width: 60ch; margin: 30vh auto; padding: var(--gutter); border: var(--rule) solid var(--accent); }
.error code { background: var(--bg-raised); padding: 0 .3rem; }