:root {
  color-scheme: dark;
  --bg: #071018;
  --bg-deep: #040a0f;
  --surface: rgba(15, 28, 39, 0.82);
  --surface-solid: #0d1a24;
  --surface-raised: #122331;
  --text: #f4f8f7;
  --muted: #9aadb6;
  --soft: #6f838e;
  --line: rgba(226, 241, 244, 0.13);
  --line-strong: rgba(226, 241, 244, 0.24);
  --accent: #7cf7c8;
  --accent-rgb: 124, 247, 200;
  --accent-contrast: #052018;
  --analytics: #bd9dff;
  --devops: #5edcff;
  --danger: #ff9d86;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --shell: min(1220px, calc(100vw - 40px));
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #edf3f1;
  --bg-deep: #e4ece9;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #f9fbfa;
  --surface-raised: #ffffff;
  --text: #0b1b23;
  --muted: #50666f;
  --soft: #71858d;
  --line: rgba(11, 27, 35, 0.12);
  --line-strong: rgba(11, 27, 35, 0.2);
  --accent: #087f5b;
  --accent-rgb: 8, 127, 91;
  --accent-contrast: #ffffff;
  --analytics: #7044bf;
  --devops: #007f9c;
  --shadow: 0 24px 70px rgba(26, 51, 58, 0.13);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    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: 64px 64px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -4;
  background: linear-gradient(180deg, transparent, var(--bg) 78%);
  content: "";
  pointer-events: none;
}

body.nav-open {
  overflow: hidden;
}

::selection {
  background: rgba(var(--accent-rgb), 0.28);
  color: var(--text);
}

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

button,
input,
textarea,
select {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

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

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4,
strong {
  font-weight: 670;
}

code {
  font-family: var(--font-mono);
}

[hidden] {
  display: none !important;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-contrast);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

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

.ambient {
  position: fixed;
  z-index: -3;
  width: 520px;
  aspect-ratio: 1;
  border-radius: 50%;
  opacity: 0.16;
  filter: blur(110px);
  pointer-events: none;
}

.ambient--one {
  top: -180px;
  right: -120px;
  background: var(--accent);
}

.ambient--two {
  bottom: 8vh;
  left: -240px;
  background: var(--analytics);
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 150;
  height: 2px;
  background: transparent;
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--devops), var(--analytics));
  box-shadow: 0 0 16px rgba(var(--accent-rgb), 0.6);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(18px) saturate(130%);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 78px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  line-height: 1.15;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: -0.06em;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 14px;
}

.brand-copy small {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  justify-self: center;
  gap: clamp(18px, 3vw, 38px);
}

.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

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

.site-nav a:hover::after {
  transform: scaleX(1);
}

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

.icon-button {
  display: grid;
  width: 42px;
  height: 42px;
  cursor: pointer;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.icon-button:hover {
  border-color: var(--line-strong);
  background: var(--surface-raised);
  transform: translateY(-2px);
}

.theme-icon {
  font-size: 18px;
  line-height: 1;
}

.menu-toggle {
  display: none;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 20px;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button--small {
  min-height: 42px;
  padding-inline: 16px;
}

.button--primary {
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: 0 12px 34px rgba(var(--accent-rgb), 0.16);
}

.button--primary:hover {
  box-shadow: 0 16px 42px rgba(var(--accent-rgb), 0.25);
}

.button--ghost {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--text);
}

.button--ghost:hover {
  border-color: var(--accent);
}

.text-link {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, 0.82fr);
  min-height: calc(100svh - 78px);
  align-items: center;
  gap: clamp(44px, 8vw, 100px);
  padding-block: clamp(70px, 10vh, 120px);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(var(--accent-rgb), 0.12), 0 0 18px var(--accent);
}

.hero-kicker,
.section-index,
.track-label {
  margin-bottom: 16px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 26px;
  font-size: clamp(48px, 6.2vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
  color: var(--muted);
  font-weight: 520;
}

.hero--resume {
  grid-template-columns: minmax(0, 1.32fr) minmax(310px, 0.68fr);
  min-height: min(760px, calc(100svh - 78px));
  gap: clamp(44px, 7vw, 90px);
  padding-block: clamp(54px, 7vh, 82px);
}

.hero--resume h1 {
  max-width: 760px;
  margin-bottom: 10px;
  font-size: clamp(52px, 6.4vw, 82px);
}

.hero-role {
  margin-bottom: 22px;
  color: var(--accent);
  font-size: clamp(21px, 2.3vw, 30px);
  font-weight: 650;
  letter-spacing: -0.025em;
}

.hero-lead {
  max-width: 710px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.55;
}

.hero--resume .hero-lead {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(16px, 1.45vw, 19px);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 780px;
  margin-bottom: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}

.hero-facts article {
  display: grid;
  align-content: center;
  min-height: 92px;
  gap: 5px;
  padding: 18px 20px;
}

.hero-facts article + article {
  border-left: 1px solid var(--line);
}

.hero-facts span {
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-facts strong {
  font-size: 13px;
  line-height: 1.45;
}

.hero-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 34px;
}

.hero-roles button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-size: 12px;
  font-weight: 650;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.hero-roles button:hover {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.07);
  transform: translateY(-2px);
}

.hero-roles span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
}

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

.hero-visual {
  position: relative;
  width: min(100%, 430px);
  justify-self: end;
}

.hero-visual--compact {
  width: min(100%, 360px);
}

.portrait-frame {
  position: relative;
  z-index: 1;
  overflow: hidden;
  min-height: 580px;
  border: 1px solid var(--line-strong);
  border-radius: 220px 220px 28px 28px;
  background: var(--surface-solid);
  box-shadow: var(--shadow);
}

.portrait-frame::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 42%, rgba(4, 10, 15, 0.16) 62%, rgba(4, 10, 15, 0.96) 100%),
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.08), transparent 52%);
  content: "";
  pointer-events: none;
}

.portrait-frame img {
  width: 100%;
  height: 580px;
  object-fit: cover;
  object-position: 50% 30%;
  filter: saturate(0.78) contrast(1.04);
}

.portrait-frame--compact,
.portrait-frame--compact img {
  min-height: 480px;
  height: 480px;
}

.portrait-caption {
  position: absolute;
  right: 30px;
  bottom: 28px;
  left: 30px;
  z-index: 2;
  display: grid;
  gap: 4px;
}

.portrait-caption span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.portrait-caption strong {
  font-size: 17px;
}

.portrait-caption small {
  color: #bac7ca;
  font-size: 12px;
}

.portrait-orbit {
  position: absolute;
  inset: -34px;
  z-index: 2;
  border: 1px dashed var(--line-strong);
  border-radius: 260px 260px 56px 56px;
  pointer-events: none;
}

.orbit-chip {
  position: absolute;
  display: grid;
  min-width: 48px;
  height: 30px;
  padding-inline: 10px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface-raised);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
}

.orbit-chip--go {
  top: 15%;
  left: -2px;
}

.orbit-chip--sql {
  top: 35%;
  right: -9px;
  color: var(--analytics);
}

.orbit-chip--docker {
  right: 28px;
  bottom: 15%;
  color: var(--devops);
}

.hero-code {
  position: absolute;
  right: -30px;
  bottom: -26px;
  z-index: 3;
  display: grid;
  min-width: 190px;
  gap: 2px;
  padding: 15px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--surface-raised) 92%, transparent);
  box-shadow: var(--shadow);
}

.hero-code span {
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-code code {
  color: var(--accent);
  font-size: 12px;
}

.hero-code--plain {
  right: -18px;
  bottom: -22px;
}

.proof-strip {
  border-block: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-solid) 54%, transparent);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-grid article {
  display: grid;
  min-height: 150px;
  align-content: center;
  gap: 9px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.proof-grid article:first-child {
  border-left: 1px solid var(--line);
}

.proof-grid strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: clamp(27px, 3vw, 40px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.proof-grid span {
  max-width: 220px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.section {
  padding-block: clamp(92px, 12vw, 160px);
}

.summary-section {
  padding-block: clamp(74px, 9vw, 112px);
  border-block: 1px solid var(--line);
  background:
    radial-gradient(circle at 10% 10%, rgba(var(--accent-rgb), 0.08), transparent 27%),
    color-mix(in srgb, var(--bg-deep) 76%, var(--surface-solid));
}

.section-heading--compact {
  margin-bottom: clamp(34px, 5vw, 52px);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.summary-card {
  min-height: 245px;
  padding: clamp(26px, 3.5vw, 40px);
  border-right: 1px solid var(--line);
}

.summary-card:last-child {
  border-right: 0;
}

.summary-number {
  display: block;
  margin-bottom: 44px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
}

.summary-card h3 {
  margin-bottom: 12px;
  font-size: 22px;
  letter-spacing: -0.025em;
}

.summary-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: end;
  gap: 48px;
  margin-bottom: clamp(48px, 7vw, 78px);
}

.section-heading h2 {
  max-width: 770px;
  margin-bottom: 0;
  font-size: clamp(38px, 5.2vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.section-heading > p {
  max-width: 480px;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 15px;
}

.track-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.track-tab {
  display: grid;
  min-height: 130px;
  align-content: center;
  gap: 5px;
  padding: 24px 28px;
  cursor: pointer;
  border-right: 1px solid var(--line);
  background: transparent;
  text-align: left;
  transition: background 180ms ease, color 180ms ease;
}

.track-tab:last-child {
  border-right: 0;
}

.track-tab > span {
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 10px;
}

.track-tab strong {
  font-size: 19px;
}

.track-tab small {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.track-tab.is-active {
  background: rgba(var(--accent-rgb), 0.1);
  box-shadow: inset 0 -3px 0 var(--accent);
}

.track-tab.is-active > span,
.track-tab.is-active strong {
  color: var(--accent);
}

.track-tab[data-track="analytics"].is-active {
  background: rgba(189, 157, 255, 0.1);
  box-shadow: inset 0 -3px 0 var(--analytics);
}

.track-tab[data-track="analytics"].is-active > span,
.track-tab[data-track="analytics"].is-active strong {
  color: var(--analytics);
}

.track-tab[data-track="devops"].is-active {
  background: rgba(94, 220, 255, 0.1);
  box-shadow: inset 0 -3px 0 var(--devops);
}

.track-tab[data-track="devops"].is-active > span,
.track-tab[data-track="devops"].is-active strong {
  color: var(--devops);
}

.track-stage[data-track-stage="go"] {
  --accent: #7cf7c8;
  --accent-rgb: 124, 247, 200;
  --accent-contrast: #052018;
}

.track-stage[data-track-stage="analytics"] {
  --accent: #bd9dff;
  --accent-rgb: 189, 157, 255;
  --accent-contrast: #190d2f;
}

.track-stage[data-track-stage="devops"] {
  --accent: #5edcff;
  --accent-rgb: 94, 220, 255;
  --accent-contrast: #041e25;
}

html[data-theme="light"] .track-stage[data-track-stage="go"] {
  --accent: #087f5b;
  --accent-rgb: 8, 127, 91;
  --accent-contrast: #fff;
}

html[data-theme="light"] .track-stage[data-track-stage="analytics"] {
  --accent: #7044bf;
  --accent-rgb: 112, 68, 191;
  --accent-contrast: #fff;
}

html[data-theme="light"] .track-stage[data-track-stage="devops"] {
  --accent: #007f9c;
  --accent-rgb: 0, 127, 156;
  --accent-contrast: #fff;
}

.track-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 18% 12%, rgba(var(--accent-rgb), 0.12), transparent 34%),
    var(--surface-solid);
  box-shadow: var(--shadow);
}

.track-summary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(42px, 6vw, 76px);
}

.track-summary h3 {
  max-width: 620px;
  margin-bottom: 24px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.048em;
}

.track-summary > p:not(.track-label) {
  max-width: 620px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 16px;
}

.track-details {
  display: grid;
  align-content: center;
  gap: 0;
  padding: 44px;
  border-left: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.08);
}

.detail-block {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 16px;
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
}

.detail-number {
  padding-top: 2px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
}

.detail-block h4 {
  margin-bottom: 5px;
  font-size: 15px;
}

.detail-block p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.skill-cloud,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.skill-cloud span,
.tag-list li {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(var(--accent-rgb), 0.04);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
}

.projects-section {
  border-block: 1px solid var(--line);
  background:
    radial-gradient(circle at 86% 10%, rgba(94, 220, 255, 0.08), transparent 25%),
    color-mix(in srgb, var(--bg-deep) 78%, var(--surface-solid));
}

.project-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 32px;
}

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.filter-button {
  min-height: 38px;
  padding: 0 16px;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.filter-button:hover,
.filter-button.is-active {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.09);
  color: var(--text);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.project-card {
  position: relative;
  display: flex;
  min-height: 410px;
  flex-direction: column;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.project-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--accent);
  content: "";
  opacity: 0;
  transition: opacity 180ms ease;
}

.project-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.14);
  transform: translateY(-5px);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card--featured {
  grid-column: span 2;
  background:
    radial-gradient(circle at 80% 8%, rgba(var(--accent-rgb), 0.11), transparent 34%),
    var(--surface);
}

.project-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 34px;
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.project-number {
  color: var(--accent);
}

.project-card h3 {
  margin-bottom: 16px;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.project-card > p {
  max-width: 680px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
}

.project-result {
  display: grid;
  width: fit-content;
  gap: 1px;
  margin: 6px 0 0;
  padding: 12px 15px;
  border-left: 2px solid var(--accent);
  background: rgba(var(--accent-rgb), 0.07);
}

.project-result strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
}

.project-result span {
  color: var(--muted);
  font-size: 10px;
}

.project-card .tag-list {
  margin-top: auto;
  padding-top: 24px;
}

.project-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
}

a.project-link:hover {
  color: var(--accent);
}

.project-link--muted {
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 10px;
}

.path-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
  align-items: start;
  gap: clamp(46px, 8vw, 100px);
}

.timeline {
  position: relative;
}

.timeline::before {
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 87px;
  width: 1px;
  background: var(--line);
  content: "";
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 30px;
  padding-bottom: 46px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: relative;
  z-index: 1;
  padding-top: 2px;
}

.timeline-marker::after {
  position: absolute;
  top: 5px;
  right: -5px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--bg);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.12);
  content: "";
}

.timeline-marker span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.timeline-item p {
  margin-bottom: 5px;
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.timeline-item h3 {
  margin-bottom: 7px;
  font-size: clamp(19px, 2.2vw, 25px);
  letter-spacing: -0.025em;
}

.timeline-item div > span {
  color: var(--muted);
  font-size: 13px;
}

.principles {
  position: sticky;
  top: 112px;
  padding: clamp(32px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(var(--accent-rgb), 0.08), transparent 48%),
    var(--surface);
}

.principles h3 {
  margin-bottom: 30px;
  font-size: clamp(27px, 3.2vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.principles ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.principles li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 13px;
  padding-block: 20px;
  border-top: 1px solid var(--line);
}

.principles li > span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
}

.principles li div {
  display: grid;
  gap: 4px;
}

.principles li strong {
  font-size: 13px;
}

.principles li small {
  color: var(--muted);
  font-size: 11px;
}

.path-layout--simple {
  grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.85fr);
}

.education-extra {
  padding: clamp(30px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.education-extra h3 {
  margin-bottom: 26px;
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.education-extra ul {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.education-extra li {
  display: grid;
  gap: 5px;
  padding-block: 18px;
  border-top: 1px solid var(--line);
}

.education-extra strong {
  font-size: 13px;
}

.education-extra span {
  color: var(--muted);
  font-size: 12px;
}

.projects-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  min-height: 560px;
  align-items: center;
  gap: clamp(44px, 8vw, 100px);
  padding-block: clamp(70px, 9vw, 118px);
}

.projects-hero h1 {
  margin-bottom: 24px;
  font-size: clamp(56px, 8vw, 100px);
  line-height: 0.95;
  letter-spacing: -0.065em;
}

.projects-hero > div > p:not(.section-index) {
  max-width: 720px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 19px);
}

.projects-note {
  display: grid;
  gap: 9px;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.projects-note > span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.projects-note strong {
  font-size: clamp(28px, 3vw, 38px);
  letter-spacing: -0.04em;
}

.projects-note p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.projects-page .projects-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.projects-back {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-block: clamp(74px, 9vw, 112px);
}

.projects-back h2 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(32px, 4.2vw, 50px);
  line-height: 1.06;
  letter-spacing: -0.045em;
}

.contact-section {
  padding-top: 20px;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 12% 14%, rgba(var(--accent-rgb), 0.14), transparent 34%),
    var(--surface-solid);
  box-shadow: var(--shadow);
}

.contact-copy {
  padding: clamp(42px, 7vw, 80px);
}

.contact-copy h2 {
  max-width: 700px;
  margin-bottom: 24px;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.contact-copy > p:not(.section-index) {
  max-width: 620px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 15px;
}

.contact-list {
  display: grid;
  align-content: center;
  padding: clamp(24px, 4vw, 50px);
  border-left: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.08);
}

.contact-list a,
.contact-list button {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  align-items: center;
  gap: 16px;
  min-height: 76px;
  padding: 14px 4px;
  cursor: pointer;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
}

.contact-list a:last-child,
.contact-list button:last-child {
  border-bottom: 0;
}

.contact-list span {
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.contact-list strong {
  overflow: hidden;
  font-size: 13px;
  text-overflow: ellipsis;
}

.contact-list i {
  color: var(--accent);
  font-style: normal;
}

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

.site-footer {
  padding-block: 42px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.footer-inner > div {
  display: grid;
  gap: 2px;
}

.footer-inner strong {
  font-size: 12px;
}

.footer-inner span,
.footer-inner p,
.footer-inner a {
  margin: 0;
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 9px;
}

.footer-inner a {
  justify-self: end;
}

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

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 180;
  max-width: min(360px, calc(100vw - 40px));
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  box-shadow: var(--shadow);
  color: var(--text);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms cubic-bezier(0.2, 0.7, 0.2, 1), transform 650ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .site-nav {
    gap: 18px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.65fr);
    gap: 44px;
  }

  .hero h1 {
    font-size: clamp(46px, 6.4vw, 68px);
  }

  .portrait-frame,
  .portrait-frame img {
    height: 500px;
    min-height: 500px;
  }

  .portrait-frame--compact,
  .portrait-frame--compact img {
    height: 450px;
    min-height: 450px;
  }

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

  .summary-card {
    min-height: 210px;
  }

  .summary-card:nth-child(2) {
    border-right: 0;
  }

  .summary-card:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

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

  .project-card--featured {
    grid-column: span 2;
  }
}

@media (max-width: 880px) {
  :root {
    --shell: min(100% - 32px, 760px);
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .menu-toggle {
    position: relative;
    display: grid;
    justify-self: end;
  }

  .menu-toggle span:not(.sr-only) {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 1px;
    background: currentColor;
    transition: transform 180ms ease;
  }

  .menu-toggle span:nth-child(2) {
    transform: translate(-50%, -3px);
  }

  .menu-toggle span:nth-child(3) {
    transform: translate(-50%, 3px);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translate(-50%, 0) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translate(-50%, 0) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    top: 78px;
    right: 0;
    left: 0;
    display: grid;
    width: 100%;
    justify-self: stretch;
    gap: 0;
    padding: 10px 16px 22px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    visibility: hidden;
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    width: min(100%, 760px);
    margin-inline: auto;
    padding: 15px 10px;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .header-actions .button {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 84px;
    padding-block: 74px 110px;
  }

  .hero--resume {
    gap: 76px;
    padding-block: 62px 96px;
  }

  .hero-copy {
    text-align: center;
  }

  .eyebrow,
  .hero-roles,
  .hero-actions {
    justify-content: center;
  }

  .hero-lead {
    margin-inline: auto;
  }

  .hero-facts {
    margin-inline: auto;
    text-align: left;
  }

  .hero-visual {
    width: min(430px, calc(100% - 44px));
    justify-self: center;
  }

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

  .proof-grid article:nth-child(odd) {
    border-left: 1px solid var(--line);
  }

  .proof-grid article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section-heading > p {
    max-width: 620px;
  }

  .track-tabs {
    overflow-x: auto;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
  }

  .track-panel {
    grid-template-columns: 1fr;
  }

  .track-details {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .path-layout {
    grid-template-columns: 1fr;
  }

  .projects-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 38px;
  }

  .projects-note {
    max-width: 620px;
  }

  .principles {
    position: static;
  }

  .contact-card {
    grid-template-columns: 1fr;
  }

  .contact-list {
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 620px) {
  :root {
    --shell: calc(100% - 24px);
    --radius-lg: 24px;
  }

  body {
    background-size: 44px 44px;
  }

  .header-inner {
    min-height: 70px;
    gap: 10px;
  }

  .site-nav {
    top: 70px;
  }

  .brand-copy {
    display: none;
  }

  .brand-mark,
  .icon-button {
    width: 39px;
    height: 39px;
  }

  .hero {
    gap: 70px;
    padding-block: 58px 96px;
  }

  .hero--resume {
    gap: 58px;
    padding-block: 44px 78px;
  }

  .eyebrow {
    margin-bottom: 22px;
    font-size: 9px;
  }

  .hero h1 {
    margin-bottom: 22px;
    font-size: clamp(41px, 11.5vw, 48px);
  }

  .hero--resume h1 {
    font-size: clamp(44px, 13vw, 58px);
    line-height: 1;
  }

  .hero-role {
    font-size: 21px;
  }

  .hero-lead {
    font-size: 16px;
  }

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

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

  .hero-facts article {
    min-height: 82px;
  }

  .hero-facts article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .hero-visual {
    width: min(360px, calc(100% - 34px));
  }

  .portrait-frame,
  .portrait-frame img {
    height: 470px;
    min-height: 470px;
  }

  .portrait-frame--compact,
  .portrait-frame--compact img {
    height: 390px;
    min-height: 390px;
  }

  .portrait-frame {
    border-radius: 190px 190px 24px 24px;
  }

  .portrait-orbit {
    inset: -24px;
  }

  .orbit-chip--sql {
    right: 0;
  }

  .hero-code {
    right: -12px;
    bottom: -32px;
  }

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

  .proof-grid article,
  .proof-grid article:first-child,
  .proof-grid article:nth-child(odd) {
    min-height: 120px;
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .proof-grid article:first-child {
    border-top: 0;
  }

  .section {
    padding-block: 92px;
  }

  .section-heading h2 {
    font-size: clamp(36px, 11vw, 48px);
  }

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

  .summary-card,
  .summary-card:nth-child(2),
  .summary-card:nth-child(n + 3) {
    min-height: 190px;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .summary-card:first-child {
    border-top: 0;
  }

  .summary-number {
    margin-bottom: 30px;
  }

  .track-tabs {
    grid-template-columns: repeat(3, minmax(155px, 1fr));
    scroll-snap-type: x mandatory;
  }

  .track-tab {
    min-height: 112px;
    padding: 20px;
    scroll-snap-align: start;
  }

  .track-summary,
  .track-details {
    padding: 30px 24px;
  }

  .track-summary h3 {
    font-size: 35px;
  }

  .track-actions .button,
  .track-actions .text-link {
    width: 100%;
    justify-content: center;
  }

  .project-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .project-card--featured {
    grid-column: span 1;
  }

  .project-card {
    min-height: 390px;
    padding: 26px 23px;
  }

  .projects-hero {
    padding-block: 58px 76px;
  }

  .projects-hero h1 {
    font-size: clamp(52px, 17vw, 74px);
  }

  .projects-back {
    align-items: stretch;
    flex-direction: column;
  }

  .projects-back .button {
    width: 100%;
  }

  .timeline::before {
    left: 59px;
  }

  .timeline-item {
    grid-template-columns: 60px 1fr;
    gap: 22px;
  }

  .contact-copy,
  .contact-list {
    padding: 32px 24px;
  }

  .contact-copy h2 {
    font-size: 38px;
  }

  .contact-actions .button {
    width: 100%;
  }

  .contact-list a,
  .contact-list button {
    grid-template-columns: 70px minmax(0, 1fr) auto;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
  }

  .footer-inner p {
    display: none;
  }
}

@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;
  }
}

@media print {
  :root {
    color-scheme: light;
    --bg: #fff;
    --bg-deep: #fff;
    --surface: #fff;
    --surface-solid: #fff;
    --surface-raised: #fff;
    --text: #111;
    --muted: #444;
    --soft: #666;
    --line: #d7d7d7;
    --line-strong: #bcbcbc;
    --accent: #006b4d;
    --accent-rgb: 0, 107, 77;
    --accent-contrast: #fff;
  }

  body {
    background: #fff;
    font-size: 11pt;
  }

  .site-header,
  .scroll-progress,
  .ambient,
  .hero-actions,
  .hero-roles,
  .project-toolbar,
  .contact-actions,
  .site-footer,
  .orbit-chip,
  .hero-code,
  .toast {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding-block: 28px;
  }

  .hero h1 {
    font-size: 42pt;
  }

  .section {
    padding-block: 36px;
  }

  .project-card,
  .track-panel,
  .contact-card,
  .principles {
    box-shadow: none;
    break-inside: avoid;
  }

  .js .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}