:root {
  --bg: #071019;
  --bg-deep: #040a10;
  --panel: #0b1621;
  --panel-raised: #0e1c29;
  --text: #f3f7f5;
  --muted: #9cacb7;
  --faint: #6f818e;
  --accent: #5eea8c;
  --line: rgba(170, 197, 211, 0.18);
  --line-bright: rgba(94, 234, 140, 0.38);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.35);
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --shell: min(1180px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 4%, rgba(94, 234, 140, 0.07), transparent 30rem),
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 80px 80px, 80px 80px, auto;
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  color: var(--bg-deep);
  background: var(--accent);
  border-radius: 4px;
  transform: translateY(-150%);
}

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

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font: 700 0.69rem/1.3 var(--mono);
  letter-spacing: 0.13em;
}

.contact-bar {
  --contact-height: 72px;
  position: sticky;
  z-index: 50;
  top: 0;
  display: flex;
  min-height: var(--contact-height);
  justify-content: flex-start;
  border-bottom: 1px solid transparent;
  transition: background 220ms ease, border-color 220ms ease, min-height 220ms ease;
}

.contact-bar.is-scrolled {
  --contact-height: 62px;
  background: rgba(4, 10, 16, 0.86);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}

.contact-actions {
  display: flex;
  width: auto;
  min-height: var(--contact-height);
  justify-content: flex-start;
  align-items: stretch;
}

.contact-action {
  display: inline-flex;
  width: 148px;
  min-height: var(--contact-height);
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  color: var(--text);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  font: 650 0.9rem/1 var(--sans);
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease;
}

.contact-action:hover,
.contact-action:focus-visible {
  color: var(--accent);
  background: rgba(94, 234, 140, 0.055);
  outline: 0;
}

.contact-action svg {
  width: 19px;
  height: 19px;
  flex: 0 0 19px;
  fill: currentColor;
}

.cv-menu {
  position: relative;
  min-height: var(--contact-height);
}

.cv-menu summary {
  list-style: none;
}

.cv-menu summary::-webkit-details-marker {
  display: none;
}

.cv-options {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 220px;
  padding: 8px;
  background: rgba(11, 22, 33, 0.98);
  border: 1px solid var(--line-bright);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.cv-options a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border-radius: 5px;
  text-decoration: none;
}

.cv-options a:hover,
.cv-options a:focus-visible {
  background: rgba(94, 234, 140, 0.08);
  outline: 1px solid var(--line-bright);
}

.cv-options span {
  color: var(--accent);
  font: 700 0.82rem/1 var(--mono);
}

.cv-options small {
  color: var(--muted);
  font-size: 0.75rem;
}

.hero {
  display: grid;
  min-height: calc(100vh - 72px);
  grid-template-columns: minmax(0, 1.06fr) minmax(380px, 0.94fr);
  align-items: center;
  gap: clamp(30px, 7vw, 100px);
  padding-block: 70px 96px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(4.1rem, 7.5vw, 7rem);
  line-height: 0.93;
  letter-spacing: -0.065em;
}

.hero-position {
  max-width: 720px;
  margin: 34px 0 20px;
  font-size: clamp(1.7rem, 3.2vw, 2.8rem);
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.hero-position span {
  color: var(--accent);
}

.hero-summary {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.hero-meta span,
.tech-list li {
  padding: 7px 10px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
  border-radius: 4px;
  font: 600 0.66rem/1 var(--mono);
  letter-spacing: 0.04em;
}

.systems-map {
  position: relative;
  min-width: 0;
}

.systems-map::before {
  position: absolute;
  z-index: -1;
  inset: 16%;
  background: rgba(94, 234, 140, 0.07);
  border-radius: 50%;
  filter: blur(70px);
  content: "";
}

.systems-map svg {
  width: 100%;
  overflow: visible;
}

.map-lines path {
  fill: none;
  stroke: rgba(204, 225, 231, 0.32);
  stroke-width: 1.5;
}

.map-lines .map-axis {
  stroke-dasharray: 3 7;
}

.map-pulse circle {
  fill: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent));
}

.map-node circle {
  fill: rgba(7, 16, 25, 0.94);
  stroke: var(--accent);
  stroke-width: 2;
}

.map-node .map-icon {
  transform: translateY(-10px);
}

.map-node .map-icon-deliver {
  transform: translateY(-15px) scale(0.8);
}

.map-node path {
  fill: none;
  stroke: var(--text);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.map-node text {
  fill: var(--text);
  font: 700 10.5px var(--mono);
  letter-spacing: 1.15px;
  text-anchor: middle;
}

.map-core {
  fill: var(--text);
  filter: drop-shadow(0 0 6px var(--accent));
}

.proof-screen {
  min-height: calc(100vh - 86px);
  background:
    linear-gradient(180deg, rgba(4, 10, 16, 0.3), rgba(11, 22, 33, 0.42)),
    rgba(4, 10, 16, 0.5);
  border-top: 1px solid var(--line-bright);
}

.proof-shell {
  padding-block: clamp(34px, 4.5vh, 48px) 32px;
}

.proof-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(310px, 0.6fr);
  gap: 56px;
  align-items: end;
}

.proof-heading .eyebrow {
  margin-bottom: 10px;
}

.proof-heading h2 {
  margin: 0;
  font-size: clamp(2.25rem, 3.6vw, 3.8rem);
  line-height: 1;
  letter-spacing: -0.052em;
}

.proof-heading > p {
  max-width: 440px;
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 0.94rem;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(24px, 3.5vh, 34px);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.012);
}

.impact-grid article {
  position: relative;
  min-height: 126px;
  padding: 20px 24px 18px;
  border-right: 1px solid var(--line);
}

.impact-grid article:last-child {
  border-right: 0;
}

.impact-grid article::before {
  position: absolute;
  top: -1px;
  left: 24px;
  width: 28px;
  height: 2px;
  background: var(--accent);
  content: "";
}

.impact-grid strong,
.impact-grid span,
.impact-grid small {
  display: block;
}

.impact-grid strong {
  font-size: clamp(2rem, 3vw, 3.1rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.impact-grid span {
  margin-top: 8px;
  font-size: 0.83rem;
  font-weight: 750;
}

.impact-grid small {
  margin-top: 2px;
  color: var(--faint);
  font-size: 0.7rem;
}

.proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.72fr) minmax(300px, 0.78fr);
  gap: 24px;
  margin-top: clamp(24px, 3.5vh, 34px);
}

.delivery-list,
.profile-rail {
  border-top: 1px solid var(--line);
}

.compact-heading {
  display: flex;
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.compact-heading .eyebrow {
  margin: 0;
}

.compact-heading h3 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.delivery-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  min-height: 100px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.case-index,
.career-line time {
  color: var(--accent);
  font: 700 0.66rem/1.3 var(--mono);
  letter-spacing: 0.08em;
}

.delivery-item h4 {
  margin: 0 0 4px;
  font-size: 1rem;
  line-height: 1.25;
}

.delivery-item p {
  max-width: 590px;
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 5px;
  max-width: 170px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tech-list li {
  padding: 5px 7px;
  font-size: 0.59rem;
}

.profile-rail {
  padding: 20px 22px 0;
  background: linear-gradient(145deg, rgba(14, 28, 41, 0.82), rgba(8, 18, 28, 0.72));
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.profile-rail .eyebrow {
  margin-bottom: 13px;
}

.career-line {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

.career-line p,
.career-line strong,
.career-line span {
  display: block;
  margin: 0;
}

.career-line strong {
  font-size: 0.78rem;
  line-height: 1.25;
}

.career-line span {
  margin-top: 2px;
  color: var(--faint);
  font-size: 0.67rem;
}

.rail-block + .rail-block {
  margin-top: 14px;
}

.expertise-compact {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.expertise-compact > p:last-child {
  margin: 0;
  color: var(--muted);
  font: 600 0.68rem/1.65 var(--mono);
}

.rail-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 15px -22px 0;
  padding: 15px 22px;
  background: rgba(94, 234, 140, 0.075);
  border-top: 1px solid var(--line-bright);
}

.rail-contact p {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.4;
}

.rail-contact a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

.rail-contact a:hover,
.rail-contact a:focus-visible {
  color: var(--text);
  outline: 0;
}

footer {
  display: flex;
  min-height: 86px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--faint);
  border-top: 1px solid var(--line);
  font: 600 0.68rem/1.4 var(--mono);
}

.footer-cv {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 18px;
  color: var(--bg-deep);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 4px;
  font: 800 0.76rem/1 var(--sans);
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.footer-cv span {
  font-size: 1rem;
}

.footer-cv:hover,
.footer-cv:focus-visible {
  color: var(--text);
  background: transparent;
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  transform: translateY(-2px);
}

.reveal {
  opacity: 1;
}

@media (min-width: 1101px) and (max-height: 840px) {
  .proof-shell {
    padding-block: 28px 24px;
  }

  .impact-grid,
  .proof-grid {
    margin-top: 20px;
  }

  .impact-grid article {
    min-height: 114px;
    padding: 16px 20px;
  }

  .profile-rail {
    padding: 16px 18px 0;
  }

  .career-line {
    padding-block: 7px;
  }

  .rail-block + .rail-block {
    margin-top: 10px;
  }

  .expertise-compact {
    padding-top: 11px;
  }

  .rail-contact {
    gap: 8px;
    margin: 12px -18px 0;
    padding: 12px 18px;
  }
}

@media (max-width: 1100px) {
  .proof-screen {
    min-height: auto;
  }

  .proof-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
  }

  .delivery-item {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .tech-list {
    grid-column: 2;
    justify-content: flex-start;
    max-width: none;
  }
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 90px;
  }

  .systems-map {
    width: min(580px, 92%);
    margin-inline: auto;
  }

  .proof-shell {
    padding-block: 72px;
  }

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

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

  .impact-grid article:nth-child(2) {
    border-right: 0;
  }

  .impact-grid article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 700px) {
  :root {
    --shell: min(calc(100% - 32px), 580px);
  }

  .contact-bar,
  .contact-bar.is-scrolled {
    --contact-height: 64px;
    min-height: var(--contact-height);
    background: rgba(4, 10, 16, 0.92);
    border-color: var(--line);
    backdrop-filter: blur(16px);
  }

  .contact-actions {
    width: 100%;
  }

  .contact-actions > * {
    flex: 1 1 33.333%;
  }

  .contact-action {
    width: 100%;
    min-width: 0;
    min-height: var(--contact-height);
    gap: 7px;
    padding: 0 9px;
    border-left: 0;
    border-right: 1px solid var(--line);
    font-size: 0.76rem;
  }

  .cv-menu .contact-action {
    border-right: 0;
  }

  .cv-options {
    top: calc(100% + 6px);
    left: auto;
    right: 8px;
  }

  .hero {
    padding-block: 74px 82px;
  }

  .hero h1 {
    font-size: clamp(3.7rem, 18vw, 5.2rem);
  }

  .hero-position {
    margin-top: 28px;
  }

  .hero-meta {
    display: grid;
  }

  .systems-map {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    overflow: clip;
  }

  .proof-heading {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

  .impact-grid article,
  .impact-grid article:nth-child(2) {
    min-height: 112px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .impact-grid article:last-child {
    border-bottom: 0;
  }

  .compact-heading {
    display: block;
    padding-block: 18px;
  }

  .compact-heading .eyebrow {
    margin-bottom: 8px;
  }

  .delivery-item {
    grid-template-columns: 28px minmax(0, 1fr);
    padding-block: 20px;
  }

  .tech-list {
    grid-column: 2;
    justify-content: flex-start;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding-block: 26px;
  }

  footer p {
    margin: 0;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .map-pulse {
    display: none;
  }
}

@media print {
  .contact-bar,
  .systems-map,
  .skip-link {
    display: none;
  }

  body {
    color: #111;
    background: #fff;
  }

  .section-shell {
    width: 100%;
  }

  .hero,
  .proof-screen {
    min-height: auto;
  }

  .hero,
  .proof-grid {
    grid-template-columns: 1fr;
  }
}