:root {
  color-scheme: dark;
  --blue: #38bdf8;
  --magenta: #ff4fd8;
  --green: #39ff88;
  --ink: #f8fbff;
  --muted: #a9b9ca;
  --panel: rgba(10, 22, 35, 0.82);
  --panel-strong: rgba(14, 32, 49, 0.94);
  --line: rgba(121, 213, 255, 0.22);
  --dark: #06111d;
  --darker: #02070d;
  --radius: 8px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.05) 1px, transparent 1px),
    radial-gradient(circle at 18% 0%, rgba(255, 79, 216, 0.14), transparent 28%),
    radial-gradient(circle at 82% 14%, rgba(57, 255, 136, 0.12), transparent 24%),
    linear-gradient(135deg, var(--darker), var(--dark) 48%, #081522);
  background-size: 42px 42px, 42px 42px, auto, auto, auto;
  color: var(--ink);
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  transform: translateY(-160%);
  padding: 10px 14px;
  background: var(--ink);
  color: var(--dark);
  border-radius: var(--radius);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(2, 7, 13, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav {
  width: min(1160px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(56, 189, 248, 0.6);
  border-radius: 50%;
  color: var(--blue);
  box-shadow: inset 0 0 18px rgba(56, 189, 248, 0.22), 0 0 22px rgba(56, 189, 248, 0.12);
}

.nav-links a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

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

.hero,
.section,
.site-footer {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: calc(100svh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 380px);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
  padding: clamp(56px, 10vw, 116px) 0 54px;
}

.blueprint-field {
  position: absolute;
  inset: 36px -12px 24px auto;
  width: min(46vw, 560px);
  pointer-events: none;
  opacity: 0.7;
}

.node,
.trace {
  position: absolute;
  display: block;
}

.node {
  width: 16px;
  height: 16px;
  border: 2px solid var(--green);
  border-radius: 50%;
  box-shadow: 0 0 24px rgba(57, 255, 136, 0.5);
}

.node-a { top: 10%; right: 40%; }
.node-b { top: 44%; right: 12%; border-color: var(--magenta); }
.node-c { bottom: 16%; right: 58%; border-color: var(--blue); }

.trace {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), var(--magenta), transparent);
  transform-origin: left center;
}

.trace-a { top: 16%; right: 18%; width: 310px; transform: rotate(24deg); }
.trace-b { top: 50%; right: 16%; width: 390px; transform: rotate(-18deg); }
.trace-c { bottom: 20%; right: 22%; width: 250px; transform: rotate(12deg); }

.hero-content {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 900px;
  margin-bottom: 16px;
  font-size: clamp(3.1rem, 8vw, 7.8rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.3rem;
  line-height: 1.15;
}

.hero-role {
  max-width: 740px;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: clamp(1.16rem, 2vw, 1.65rem);
  font-weight: 800;
}

.hero-copy,
.section-heading p,
.theme-item p,
.experience-card li,
.site-footer {
  color: var(--muted);
  line-height: 1.65;
}

.hero-copy {
  max-width: 720px;
  font-size: 1.08rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-weight: 900;
  text-decoration: none;
}

.button-primary {
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: #02111b;
  box-shadow: 0 16px 42px rgba(56, 189, 248, 0.24);
}

.button-secondary {
  border: 1px solid rgba(56, 189, 248, 0.42);
  color: var(--ink);
  background: rgba(8, 22, 36, 0.68);
}

.hero-panel,
.experience-card,
.theme-item,
.qr-block {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-panel {
  z-index: 1;
  padding: 24px;
}

.panel-label,
.date,
.place,
.role {
  color: var(--muted);
}

.panel-label,
.date {
  margin-bottom: 12px;
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.meter-list {
  display: grid;
  gap: 12px;
}

.meter-list span {
  display: grid;
  gap: 5px;
  padding: 12px;
  border-left: 3px solid var(--blue);
  background: rgba(56, 189, 248, 0.07);
}

.meter-list span:nth-child(2) { border-color: var(--magenta); }
.meter-list span:nth-child(3) { border-color: var(--green); }
.meter-list span:nth-child(4) { border-color: var(--blue); }

.section {
  padding: 64px 0;
}

.section-tight {
  padding-top: 12px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.skills-grid,
.badge-grid,
.theme-row {
  display: grid;
  gap: 12px;
}

.skills-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.skill-chip,
.badge-grid span {
  min-height: 54px;
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 34, 0.76);
  color: var(--ink);
  font-weight: 800;
}

.skill-chip {
  padding: 13px 14px;
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.experience-card {
  grid-column: span 2;
  min-height: 430px;
  padding: 20px;
  overflow: hidden;
}

.experience-card:nth-child(1),
.experience-card:nth-child(2) {
  grid-column: span 3;
}

.experience-card h3 {
  color: var(--ink);
}

.experience-card ul {
  margin: 16px 0 0;
  padding-left: 20px;
}

.experience-card li + li {
  margin-top: 8px;
}

.place {
  margin-bottom: 4px;
}

.role {
  color: var(--blue);
  font-weight: 800;
}

.accent-magenta .role { color: var(--magenta); }
.accent-green .role { color: var(--green); }

.card-visual {
  height: 116px;
  margin: -4px -4px 18px;
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius);
  background-color: rgba(3, 12, 22, 0.72);
  background-size: 28px 28px;
}

.camera-visual {
  background-image:
    radial-gradient(circle at 30% 45%, var(--blue) 0 7px, transparent 8px),
    radial-gradient(circle at 64% 45%, var(--magenta) 0 7px, transparent 8px),
    linear-gradient(90deg, transparent 29%, var(--blue) 30%, transparent 31%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
}

.building-visual {
  background-image:
    linear-gradient(90deg, transparent 31%, var(--magenta) 32%, transparent 33%, transparent 65%, var(--magenta) 66%, transparent 67%),
    linear-gradient(0deg, transparent 28%, rgba(255, 79, 216, 0.75) 29%, transparent 30%, transparent 62%, rgba(255, 79, 216, 0.75) 63%, transparent 64%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
}

.route-visual {
  background-image:
    radial-gradient(circle at 18% 72%, var(--green) 0 6px, transparent 7px),
    radial-gradient(circle at 52% 35%, var(--blue) 0 6px, transparent 7px),
    radial-gradient(circle at 80% 60%, var(--magenta) 0 6px, transparent 7px),
    linear-gradient(22deg, transparent 34%, rgba(57, 255, 136, 0.8) 35%, transparent 36%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
}

.conduit-visual {
  background-image:
    linear-gradient(135deg, transparent 41%, var(--blue) 42%, var(--blue) 44%, transparent 45%),
    linear-gradient(135deg, transparent 55%, var(--green) 56%, var(--green) 58%, transparent 59%),
    repeating-linear-gradient(90deg, transparent 0 22px, rgba(56, 189, 248, 0.48) 22px 25px),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
}

.light-visual {
  background-image:
    repeating-linear-gradient(90deg, transparent 0 24px, rgba(255, 255, 255, 0.24) 24px 30px, transparent 30px 54px),
    linear-gradient(180deg, rgba(57, 255, 136, 0.36), transparent 58%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 42px;
  align-items: start;
}

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

.badge-grid span {
  padding: 14px 16px;
  border-color: rgba(57, 255, 136, 0.28);
  background: linear-gradient(135deg, rgba(57, 255, 136, 0.11), rgba(56, 189, 248, 0.06));
}

.theme-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.theme-item {
  min-height: 240px;
  padding: 20px;
  background: var(--panel-strong);
}

.theme-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 50%;
  color: var(--dark);
  background: var(--green);
  font-weight: 950;
}

.contact-section {
  padding-bottom: 86px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  gap: 28px;
  align-items: stretch;
}

.contact-actions {
  align-content: start;
}

.contact-link {
  min-height: 76px;
  flex: 1 1 280px;
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 34, 0.76);
  color: var(--ink);
  font: inherit;
  text-align: left;
  text-decoration: none;
}

.contact-link span {
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.button-reset {
  cursor: pointer;
}

.qr-block {
  display: grid;
  gap: 16px;
  justify-items: center;
  padding: 18px;
  background: rgba(248, 251, 255, 0.96);
}

.qr-block img {
  border-radius: 6px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 0 36px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 920px) {
  .hero,
  .split-section,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .blueprint-field {
    width: 100%;
    opacity: 0.38;
  }

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

  .experience-card,
  .experience-card:nth-child(1),
  .experience-card:nth-child(2) {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  .nav {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  h1 {
    font-size: clamp(2.7rem, 16vw, 4.2rem);
  }

  .skills-grid,
  .badge-grid,
  .theme-row {
    grid-template-columns: 1fr;
  }

  .experience-grid {
    grid-template-columns: 1fr;
  }

  .experience-card,
  .experience-card:nth-child(1),
  .experience-card:nth-child(2) {
    grid-column: span 1;
    min-height: 0;
  }

  .hero-actions .button,
  .qr-block .button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }
}