*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #050d1a;
  --bg-soft: #071426;
  --surface: #0a1628;
  --surface-raised: #0d1e34;
  --surface-glass: rgba(10, 22, 40, 0.86);
  --accent: #0da3e6;
  --accent-bright: #38c4f5;
  --accent-soft: rgba(13, 163, 230, 0.12);
  --accent-border: rgba(13, 163, 230, 0.32);
  --crimson: #c43b56;
  --crimson-soft: rgba(196, 59, 86, 0.12);
  --text: #f2f6fa;
  --muted: #a8b5c5;
  --quiet: #8190a4;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.15);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
  --max-width: 1180px;
  --radius: 7px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 106px;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 3%, rgba(13, 163, 230, 0.11), transparent 26rem),
    var(--bg);
  color: var(--text);
  font-family: "Inter", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: var(--accent);
  color: #02131e;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid var(--accent-bright);
  outline-offset: 4px;
}

p,
h1,
h2,
h3,
ul {
  margin-top: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--accent-bright);
  color: #02131e;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(5, 13, 26, 0.91);
  backdrop-filter: blur(18px);
}

.nav-inner {
  width: min(100% - 40px, var(--max-width));
  min-height: 72px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}

.brand-mark {
  color: var(--accent-bright);
  font-family: "JetBrains Mono", monospace;
}

.brand-muted {
  color: var(--muted);
  font-weight: 600;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 22px;
}

.nav-links a,
.nav-cta {
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}

.nav-links a {
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.nav-cta {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 9px 15px;
  border: 1px solid var(--accent-border);
  color: var(--text);
}

.nav-cta:hover {
  border-color: var(--accent-bright);
  color: var(--accent-bright);
}

.hero {
  position: relative;
  padding: 72px 0 80px;
  border-bottom: 1px solid var(--border);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
}

.hero-grid {
  display: grid;
  gap: 46px;
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--muted);
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow span {
  margin-right: 8px;
  color: var(--accent-bright);
}

h1,
h2,
h3 {
  color: var(--text);
  font-family: "Montserrat", Arial, sans-serif;
  line-height: 1.08;
}

h1 {
  max-width: 820px;
  margin-bottom: 20px;
  font-size: clamp(2.8rem, 14vw, 5.8rem);
  font-weight: 900;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 9vw, 3.7rem);
  font-weight: 850;
  letter-spacing: -0.035em;
}

h3 {
  font-size: 1.15rem;
  font-weight: 800;
}

.hero-role {
  max-width: 900px;
  margin-bottom: 22px;
  color: #d8e2ec;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: clamp(0.94rem, 3.5vw, 1.14rem);
  font-weight: 700;
  line-height: 1.6;
}

.hero-role span {
  margin-inline: 4px;
  color: var(--accent);
}

.hero-summary {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 3.7vw, 1.13rem);
}

.hero-actions {
  display: grid;
  gap: 11px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: var(--accent-bright);
  background: var(--accent-bright);
  color: #02131e;
}

.button-primary:hover {
  background: #72dcff;
  box-shadow: 0 12px 34px rgba(13, 163, 230, 0.25);
}

.button-secondary {
  border-color: var(--accent-border);
  background: rgba(13, 163, 230, 0.04);
  color: var(--text);
}

.button-secondary:hover {
  border-color: var(--accent-bright);
  background: var(--accent-soft);
}

.button-quiet {
  border-color: var(--border-strong);
  background: transparent;
  color: var(--muted);
}

.button-quiet:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.signal-panel {
  align-self: end;
  position: relative;
  padding: 26px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(13, 30, 52, 0.94), rgba(7, 20, 38, 0.92));
  box-shadow: var(--shadow);
}

.signal-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 82px;
  background: var(--crimson);
}

.panel-status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 28px;
  color: #e9c8cf;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--crimson);
  box-shadow: 0 0 0 5px var(--crimson-soft);
}

.panel-label {
  margin-bottom: 12px;
  color: var(--quiet);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.signal-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  padding: 13px 0;
  border-top: 1px solid var(--border);
}

.signal-list span {
  color: var(--accent-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
}

.signal-list strong {
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.83rem;
  line-height: 1.4;
}

.panel-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--accent-border);
  color: var(--quiet);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
}

.section {
  padding: 78px 0;
}

.section-compact {
  padding-block: 70px;
}

.section-tinted {
  border-block: 1px solid var(--border);
  background:
    linear-gradient(110deg, rgba(13, 163, 230, 0.025), transparent 50%),
    var(--bg-soft);
}

.section-heading p:last-child,
.fang-summary p,
.about-content > p,
.work-card p,
.credential-card p,
.resume-panel p,
.contact-grid .section-heading > p:last-child {
  color: var(--muted);
}

.section-heading-wide {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-subtitle {
  margin: -5px 0 0;
  color: var(--accent-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.split-layout,
.contact-grid {
  display: grid;
  gap: 38px;
}

.lead {
  color: #e1e9f1 !important;
  font-size: 1.14rem;
  line-height: 1.72;
}

.about-content > p:last-of-type {
  margin-bottom: 0;
}

.principles {
  display: grid;
  gap: 12px;
  margin-top: 32px;
}

.principles > div {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.018);
}

.principles span {
  color: var(--accent-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.principles p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.fang-intro {
  display: grid;
  gap: 28px;
  margin-bottom: 38px;
}

.fang-summary {
  align-self: end;
}

.prototype-badge,
.credential-type {
  display: inline-flex;
  padding: 6px 9px;
  border: 1px solid rgba(196, 59, 86, 0.35);
  background: var(--crimson-soft);
  color: #f0bdc8;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.fang-grid,
.skills-grid,
.credential-grid,
.work-grid {
  display: grid;
  gap: 15px;
}

.phase-card,
.skill-card,
.credential-card,
.work-card {
  position: relative;
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(13, 30, 52, 0.86), rgba(10, 22, 40, 0.92));
}

.phase-card {
  border-top-color: var(--accent-border);
}

.phase-card h3,
.skill-card h3,
.credential-card h3,
.work-card h3 {
  margin-bottom: 16px;
}

.card-number,
.work-meta {
  margin-bottom: 25px;
  color: var(--accent-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.check-list {
  margin: 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 20px;
}

.check-list li + li {
  margin-top: 9px;
}

.check-list li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--accent-bright);
  font-family: "JetBrains Mono", monospace;
}

.project-note {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding: 20px 22px;
  border: 1px solid rgba(196, 59, 86, 0.25);
  border-left: 3px solid var(--crimson);
  background: var(--crimson-soft);
}

.project-note strong {
  color: #f3c5ce;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-note p {
  margin: 0;
  color: #d8bec4;
}

.skill-card h3 {
  padding-bottom: 17px;
  border-bottom: 1px solid var(--border);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 6px 9px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
}

.credential-card {
  min-height: 220px;
}

.credential-card h3 {
  margin-top: 38px;
  font-size: clamp(1.25rem, 5vw, 1.7rem);
}

.work-card {
  display: flex;
  flex-direction: column;
  min-height: 290px;
}

.work-card-featured {
  border-color: var(--accent-border);
  background: linear-gradient(145deg, rgba(13, 163, 230, 0.11), rgba(10, 22, 40, 0.95) 58%);
}

.work-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.work-card p {
  margin-bottom: 25px;
}

.text-link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent-bright);
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.text-link:hover {
  color: #83e2ff;
}

.resume-section {
  background:
    radial-gradient(circle at 85% 50%, rgba(13, 163, 230, 0.12), transparent 24rem),
    var(--bg);
}

.resume-panel {
  display: grid;
  gap: 30px;
  padding: 28px;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  background: linear-gradient(110deg, rgba(13, 30, 52, 0.96), rgba(7, 20, 38, 0.92));
  box-shadow: var(--shadow);
}

.resume-panel h2 {
  font-size: clamp(2rem, 8vw, 3.25rem);
}

.resume-panel p:last-child {
  max-width: 690px;
  margin-bottom: 0;
}

.resume-actions {
  display: grid;
  gap: 11px;
}

.contact-list {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--border);
  font-style: normal;
}

.contact-list a,
.contact-list > div {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}

.contact-list a:hover strong {
  color: var(--accent-bright);
}

.contact-list span {
  color: var(--quiet);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.contact-list strong {
  overflow-wrap: anywhere;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.91rem;
  line-height: 1.45;
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--border);
  background: #040a13;
}

.footer-inner {
  display: grid;
  gap: 20px;
  color: var(--quiet);
  font-size: 0.79rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner strong {
  color: var(--text);
  font-family: "Montserrat", Arial, sans-serif;
}

.footer-inner a {
  color: var(--muted);
  text-decoration: none;
}

.footer-inner a:hover {
  color: var(--accent-bright);
}

.back-to-top {
  align-self: start;
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
}

@media (min-width: 480px) {
  .hero-actions,
  .resume-actions {
    display: flex;
    flex-wrap: wrap;
  }

  .button {
    width: auto;
  }
}

@media (min-width: 720px) {
  .container,
  .nav-inner {
    width: min(100% - 72px, var(--max-width));
  }

  .hero {
    padding: 104px 0 94px;
  }

  .section {
    padding: 102px 0;
  }

  .section-compact {
    padding-block: 82px;
  }

  .principles,
  .fang-grid,
  .credential-grid,
  .work-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .resume-panel {
    padding: 42px;
  }

  .contact-list a,
  .contact-list > div {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: center;
    gap: 20px;
  }

  .footer-inner {
    grid-template-columns: 1.2fr 1fr auto;
    align-items: end;
  }
}

@media (min-width: 900px) {
  .nav-links {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(290px, 0.7fr);
    align-items: end;
  }

  .split-layout,
  .contact-grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: clamp(60px, 8vw, 120px);
  }

  .fang-intro {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
    gap: 64px;
  }

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

  .resume-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .resume-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1120px) {
  .work-card-featured {
    grid-column: span 2;
  }

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

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-nav,
  .hero-actions,
  .resume-actions,
  .back-to-top {
    display: none;
  }

  body,
  .section,
  .section-tinted,
  .resume-section {
    background: #fff;
    color: #111;
  }
}