:root {
  --bg: #101827;
  --surface: #182438;
  --surface-2: #22314a;
  --text: #f5f8fc;
  --muted: #b8c4d3;
  --border: #31445f;
  --accent: #3b82f6;
  --accent-2: #60a5fa;
  --shadow: 0 18px 60px rgba(3, 10, 24, .24);
  --max: 1180px;
}

:root[data-theme="light"] {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #edf1f6;
  --text: #111722;
  --muted: #5f6b79;
  --border: #dce3eb;
  --accent: #1268d8;
  --accent-2: #4c8df6;
  --shadow: 0 18px 60px rgba(27,39,51,.10);
}

* { box-sizing: border-box; }
html, body { max-width: 100%; overflow-x: clip; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 7%, rgba(59, 130, 246, .16), transparent 30rem),
    radial-gradient(circle at 12% 18%, rgba(96, 165, 250, .07), transparent 26rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
code, pre { font-family: "JetBrains Mono", monospace; }
button { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  margin: 0;
  padding: 0;
  background: rgba(16, 24, 39, .94);
  border-bottom: 1px solid rgba(49, 68, 95, .75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}



.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-weight: 800;
  justify-self: start;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: .65rem;
  background: var(--text);
  color: var(--bg);
  font-size: .75rem;
  font-family: "JetBrains Mono", monospace;
}

nav { display: flex; gap: 1.5rem; }
nav a { color: var(--muted); font-size: .92rem; }
nav a:hover { color: var(--text); }



.section {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 6.5rem 0;
}

.hero {
  min-height: 78vh;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  align-items: center;
  gap: 5rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font: 600 .74rem/1.4 "JetBrains Mono", monospace;
  letter-spacing: .12em;
}

h1, h2, h3 { line-height: 1.08; margin-top: 0; }
h1 {
  max-width: 880px;
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 7vw, 6.6rem);
  letter-spacing: -.065em;
}
h2 {
  margin-bottom: .8rem;
  font-size: clamp(2.2rem, 4.2vw, 4rem);
  letter-spacing: -.045em;
}
h3 { font-size: 1.12rem; }
h3 span { color: var(--muted); font-weight: 500; }

.accent { color: var(--accent); }
.lede {
  max-width: 760px;
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
}

.hero-actions, .contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1rem;
  border-radius: .8rem;
  border: 1px solid var(--border);
  font-weight: 700;
  transition: transform .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary {
  background: var(--accent);
  color: #ffffff;
  border-color: transparent;
}
.button.secondary { background: var(--surface); }

.quick-facts {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: 2rem;
}
.quick-facts span, .tags span {
  padding: .4rem .7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  font-size: .78rem;
}

.hero-panel {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1.2rem;
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  box-shadow: var(--shadow);
}
.status-line { padding: .65rem .6rem 1rem; color: var(--muted); font-size: .9rem; }
.status-dot {
  display: inline-block;
  width: .55rem;
  height: .55rem;
  margin-right: .45rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 .3rem color-mix(in srgb, var(--accent) 15%, transparent);
}
.code-card {
  overflow: auto;
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: .9rem;
  background: #111c2d;
  color: #c9d7e7;
  font-size: .83rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}
.section-note { max-width: 560px; color: var(--muted); }

.filters { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 1.4rem; }
.filter-button {
  padding: .55rem .8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}
.filter-button.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}



.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1rem;
}

.project-card {
  grid-column: auto;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent-2) 5%, transparent), transparent 55%),
    var(--surface);
  transition: transform .2s ease, border-color .2s ease;
}



.project-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: .8rem;
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.project-card-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.project-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.project-card.featured { 
  grid-column: 1 / -1;
  min-height: 360px; }
.project-kicker { color: var(--accent); font: 600 .75rem "JetBrains Mono", monospace; }
.project-card h3 { margin: .3rem 0 .7rem; font-size: clamp(1.5rem, 2.8vw, 2.5rem); letter-spacing: -.035em; }
.project-card p { color: var(--muted); max-width: 780px; }
.project-bottom { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.tags { display: flex; flex-wrap: wrap; gap: .45rem; }
.project-open {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}

.timeline { border-top: 1px solid var(--border); }
.timeline-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
.timeline-meta { color: var(--muted); font: 500 .82rem "JetBrains Mono", monospace; }
.timeline-item p { max-width: 800px; color: var(--muted); }
.timeline-item .tags { margin-top: .8rem; }

.split {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 5rem;
  border-top: 1px solid var(--border);
}
.skill-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.skill-group {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
}
.skill-group p, .about-copy p { color: var(--muted); }
.about-copy { font-size: 1.07rem; }

footer {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.2rem 0 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: .85rem;
}

dialog {
  width: min(720px, calc(100% - 2rem));
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}
dialog::backdrop { background: rgba(5, 12, 24, .58); backdrop-filter: blur(4px); }
.dialog-close {
  float: right;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
}
.dialog-body { padding: 1rem .5rem .4rem; }
.dialog-body p { color: var(--muted); }
.dialog-body .detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.4rem;
}
.detail-box {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: .8rem;
}
.detail-box strong { display: block; margin-bottom: .35rem; }
.empty-state {
  grid-column: 1 / -1;
  padding: 3rem;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 1rem;
}

@media (max-width: 850px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero, .split { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero { padding-top: 4.5rem; min-height: auto; }
  .project-card, .project-card.featured { grid-column: span 12; }
  .timeline-item { grid-template-columns: 1fr; gap: .5rem; }
  .skill-groups { grid-template-columns: 1fr; }
  .section-heading { align-items: start; flex-direction: column; gap: .5rem; }
}

@media (max-width: 560px) {
  .section { padding: 4.5rem 0; }
  h1 { font-size: clamp(3rem, 16vw, 4.5rem); }
  .quick-facts { align-items: flex-start; flex-direction: column; }
  .project-bottom { align-items: flex-start; flex-direction: column; }
  footer { flex-direction: column; }
  .dialog-body .detail-grid { grid-template-columns: 1fr; }
}


.header-actions { justify-self: end; display: flex; gap: .5rem; }
.lang-toggle {
  min-width: 2.65rem;
  height: 2.5rem;
  padding: 0 .65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font: 600 .72rem "JetBrains Mono", monospace;
}
.track-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.track-card {
  position: relative;
  overflow: hidden;
  min-height: 320px;
  padding: 1.6rem;
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  background: var(--surface);
}
.track-card::after {
  content: "";
  position: absolute;
  width: 14rem; height: 14rem;
  right: -6rem; top: -6rem;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.track-number {
  display: inline-block;
  margin-bottom: 5rem;
  color: var(--muted);
  font: 600 .75rem "JetBrains Mono", monospace;
}
.track-card h3 { font-size: clamp(1.6rem, 3vw, 2.6rem); letter-spacing: -.04em; }
.track-card p { max-width: 560px; color: var(--muted); }
.production-section {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 5rem;
  border-top: 1px solid var(--border);
}
.production-grid { display: grid; gap: .8rem; }
.production-grid article {
  display: grid;
  grid-template-columns: 50px 200px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--border);
}
.production-grid article > span {
  color: var(--accent);
  font: 600 .75rem "JetBrains Mono", monospace;
}
.production-grid h3 { margin: .15rem 0 0; }
.production-grid p { margin: 0; color: var(--muted); }
.profile-links { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; margin: 1.5rem 0; }
.profile-link {
  display: flex;
  justify-content: space-between;
  padding: .9rem 1rem;
  border: 1px solid var(--border);
  border-radius: .8rem;
  background: var(--surface);
}
.profile-link:hover { border-color: var(--accent); }
.hidden { display: none !important; }
.privacy-note {
  margin-top: 1rem;
  font-size: .78rem;
}
.metric-list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: .9rem 0 0;
}
.metric-list span {
  padding: .45rem .65rem;
  border-left: 2px solid var(--accent);
  background: var(--surface-2);
  color: var(--muted);
  font-size: .8rem;
}
.architecture-box, .media-placeholder {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: .8rem;
  background: var(--surface-2);
}
.architecture-box code {
  color: var(--muted);
  white-space: pre-wrap;
}
.project-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .7rem;
  margin-top: 1rem;
}
.project-images img {
  width: 100%;
  border-radius: .7rem;
  border: 1px solid var(--border);
}
.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1rem;
}
.project-links a { font-weight: 700; color: var(--accent); }

@media (max-width: 850px) {
  .track-grid, .production-section { grid-template-columns: 1fr; gap: 2rem; }
  .production-grid article { grid-template-columns: 40px 1fr; }
  .production-grid article p { grid-column: 2; }
}
@media (max-width: 560px) {
  .track-grid, .profile-links, .project-images { grid-template-columns: 1fr; }
}

.profile-photo-wrap { position: relative; overflow: hidden; border: 1px solid color-mix(in srgb, var(--accent) 60%, var(--border)); border-radius: 1.2rem; aspect-ratio: 4 / 4.25; background: var(--surface-2); box-shadow: 0 0 50px color-mix(in srgb, var(--accent) 16%, transparent); }
.profile-photo { width: 100%; height: 100%; object-fit: cover; display: block; }
.profile-photo-label { position:absolute; left:.8rem; bottom:.8rem; padding:.38rem .6rem; border:1px solid rgba(255,255,255,.18); border-radius:999px; background:rgba(4,15,35,.7); color:#dbeaff; backdrop-filter:blur(8px); font:500 .68rem 'JetBrains Mono',monospace; }
.hero-panel .status-line { margin-top:.65rem; }


/* v4: horizontal-overflow guard + softer dark-blue palette */
img, svg, video, canvas { max-width: 100%; height: auto; }
pre, code { max-width: 100%; }
.code-card { max-width: 100%; }
.site-header, main, footer, .section { min-width: 0; }
.project-card, .track-card, .skill-group, .timeline-item, .hero-copy, .hero-panel { min-width: 0; }
.hero-panel { background: rgba(24, 36, 56, .88); }
.project-card, .skill-group, .track-card { box-shadow: 0 8px 30px rgba(3,10,24,.08); }
.button.secondary, .filter-button, .lang-toggle { background: #1b2940; }
.section { scroll-margin-top: 5rem; }


.site-header-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  min-height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.25rem;
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: .65rem;
}

.header-cv {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0 .9rem;
  border-radius: .7rem;
  background: var(--accent);
  color: #fff;
  font-size: .82rem;
  font-weight: 700;
  border: 1px solid transparent;
}

.header-cv:hover {
  filter: brightness(1.07);
}

.lang-toggle {
  min-width: 2.75rem;
  height: 2.5rem;
  padding: 0 .7rem;
  border-radius: .7rem;
  border: 1px solid var(--border);
  background: #1b2940;
  color: var(--text);
  cursor: pointer;
  font: 600 .72rem "JetBrains Mono", monospace;
}

@media (max-width: 850px) {
  .site-header-inner {
    grid-template-columns: 1fr auto;
    min-height: 64px;
  }
  .site-header nav { display: none; }
}

@media (max-width: 560px) {
  .site-header-inner {
    width: min(100% - 1rem, var(--max));
  }
  .header-cv {
    display: none;
  }
}


/* Mobile project-card overflow fix */
.project-grid,
.project-card,
.project-card * {
  min-width: 0;
}

.project-card {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.project-card img,
.project-card .project-image,
.project-card .project-image img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.project-card h3,
.project-card p,
.project-kicker,
.project-bottom,
.project-card .tags {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.project-card .tags {
  max-width: 100%;
}

@media (max-width: 560px) {
  .project-grid {
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
  }

  .project-card,
  .project-card.featured {
    grid-column: 1 / -1;
    width: 100%;
    max-width: 100%;
  }

  .project-bottom {
    width: 100%;
  }
}