/* English-only codebase: keep content ASCII. */
:root {
  --bg: #0b1220;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 14px 44px rgba(0, 0, 0, 0.35);
  --accent: #7c3aed;
  --accent2: #22c55e;
  --ring: rgba(124, 58, 237, 0.35);
  --radius: 16px;
  --max: 1120px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
}

[data-theme="light"] {
  --bg: #f6f7fb;
  --panel: rgba(12, 18, 32, 0.05);
  --panel-strong: rgba(12, 18, 32, 0.09);
  --text: rgba(12, 18, 32, 0.92);
  --muted: rgba(12, 18, 32, 0.68);
  --border: rgba(12, 18, 32, 0.14);
  --shadow: 0 20px 70px rgba(12, 18, 32, 0.12);
  --ring: rgba(124, 58, 237, 0.25);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(1200px 700px at 12% 20%, rgba(124, 58, 237, 0.35), transparent 55%),
    radial-gradient(900px 700px at 85% 25%, rgba(34, 197, 94, 0.22), transparent 60%),
    radial-gradient(850px 650px at 55% 90%, rgba(59, 130, 246, 0.18), transparent 60%);
}

section[id] {
  scroll-margin-top: 92px;
}

a:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero-inner--simple {
  max-width: 860px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
}

.skip-link:focus {
  left: 12px;
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 18, 32, 0.45);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] .site-header {
  background: rgba(246, 247, 251, 0.7);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.9), rgba(34, 197, 94, 0.7));
  color: white;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

.nav {
  display: none;
  gap: 14px;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
}

.nav a {
  padding: 8px 10px;
  border-radius: 12px;
}

.nav a:hover {
  background: var(--panel);
  text-decoration: none;
}

.nav a:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  text-decoration: none;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.button {
  appearance: none;
  border: 1px solid rgba(124, 58, 237, 0.6);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.9), rgba(124, 58, 237, 0.6));
  color: white;
  padding: 10px 14px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(124, 58, 237, 0.18);
}

.button:hover {
  text-decoration: none;
  filter: brightness(1.03);
}

.button:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}

.button-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  cursor: pointer;
}

.theme-toggle::before {
  content: "";
  display: block;
  width: 18px;
  height: 18px;
  margin: 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, rgba(255, 255, 255, 0.25));
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .theme-toggle::before {
  background: radial-gradient(circle at 30% 30%, #0b1220, rgba(11, 18, 32, 0.2));
}

.hero {
  padding: 56px 0 16px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 22px;
  align-items: start;
}

.hero-inner.hero-inner--simple {
  grid-template-columns: 1fr;
}

.eyebrow {
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
  margin: 0 0 10px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  font-weight: 650;
  font-size: 13px;
}

.hero-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.card-nested {
  box-shadow: none;
  background: rgba(255, 255, 255, 0.04);
}

.card-title {
  margin: 0 0 14px;
  font-size: 16px;
}

.kv {
  display: grid;
  gap: 12px;
  margin: 0;
}

.kv dt {
  font-size: 12px;
  color: var(--muted);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.kv dd {
  margin: 4px 0 0;
  font-weight: 650;
}

.section {
  padding: 22px 0;
}

.section-head {
  margin-bottom: 16px;
}

.section-head h2 {
  margin: 0 0 8px;
  font-size: 22px;
  letter-spacing: -0.01em;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.card h4 {
  margin: 0 0 8px;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
}

.card p + p {
  margin-top: 10px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.grid {
  display: grid;
  gap: 14px;
}

.stack {
  display: grid;
  gap: 12px;
}

.stack-sm {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.65;
}

.list li + li {
  margin-top: 6px;
}

.summary-title {
  font-weight: 800;
}

.summary-meta {
  font-size: 13px;
}

details > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

details > summary::after {
  content: "›";
  flex: 0 0 auto;
  transform: translateY(-1px) rotate(90deg);
  opacity: 0.7;
  font-size: 16px;
}

details[open] > summary::after {
  transform: translateY(-1px) rotate(-90deg);
}

details > summary:hover {
  color: var(--text);
}

details > summary .summary-meta {
  opacity: 0.85;
}

details > summary::-webkit-details-marker {
  display: none;
}

details > summary:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 4px;
  border-radius: 12px;
}

details[open] > summary {
  margin-bottom: 10px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-top h3 {
  margin: 0;
  font-size: 16px;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 13px;
}

.mt {
  margin-top: 14px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.tag {
  display: inline-flex;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.22);
  color: var(--text);
  font-weight: 700;
  font-size: 13px;
}

.field {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.field span {
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}

[data-theme="light"] input,
[data-theme="light"] textarea {
  background: rgba(255, 255, 255, 0.7);
}

input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}

.link-strong {
  font-weight: 800;
}

.sep {
  margin: 0 8px;
}

.social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
  color: var(--muted);
  font-weight: 650;
}

.social-pills a {
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.social-pills a:hover {
  background: rgba(255, 255, 255, 0.07);
  text-decoration: none;
}

.contact-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.contact-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  text-decoration: none;
}

.exp-list {
  display: grid;
  gap: 12px;
  margin-top: 8px;
}

.exp-item {
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.exp-item + .exp-item {
  margin-top: 0;
}

.exp-main {
  display: grid;
  gap: 2px;
}

.exp-title {
  font-weight: 850;
  letter-spacing: -0.01em;
}

.exp-date {
  font-weight: 750;
  white-space: nowrap;
}

.exp-bullets {
  margin-top: 10px;
}

@media (min-width: 640px) {
  .exp-item {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "main date"
      "bullets bullets";
    gap: 6px 12px;
    align-items: start;
  }
  .exp-main {
    grid-area: main;
  }
  .exp-date {
    grid-area: date;
    text-align: right;
  }
  .exp-bullets {
    grid-area: bullets;
  }
}

.contact-row:hover {
  background: rgba(255, 255, 255, 0.07);
  text-decoration: none;
}

.contact-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-value {
  font-weight: 750;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  margin-top: 12px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

@media (min-width: 880px) {
  .nav {
    display: flex;
  }
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(var(--max), calc(100% - 28px));
  }
  .hero {
    padding: 44px 0 10px;
  }
  h1 {
    font-size: 30px;
  }
  .lede {
    font-size: 15px;
  }
  .pill {
    font-size: 12px;
  }
  .contact-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}