:root {
  --bg: #061018;
  --panel: #0c1722;
  --panel-strong: #101d2a;
  --text: #f4f8fb;
  --muted: #aab7c5;
  --dim: #7d8999;
  --line: #263747;
  --teal: #26e5d0;
  --gold: #f6ce4d;
  --green: #82e287;
  --blue: #7ea8ff;
  --pink: #ff6f9f;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(38, 229, 208, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(126, 168, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, #061018 0%, #08141f 52%, #060a10 100%);
  background-size: 72px 72px, 72px 72px, auto;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--text);
  color: var(--bg);
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 16, 24, 0.78);
  backdrop-filter: blur(16px);
}

.nav-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.brand,
.nav-links,
.hero-actions,
.footer-links,
.project-links,
.tag-row {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 850;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(38, 229, 208, 0.55);
  border-radius: 8px;
  color: var(--teal);
  background: rgba(38, 229, 208, 0.07);
}

.nav-links {
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  padding: 9px 11px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.93rem;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
  outline: none;
}

.hero-section {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 142px 0 82px;
  isolation: isolate;
}

#stackCanvas,
.hero-grid {
  position: absolute;
  inset: 84px 0 28px;
  width: 100%;
  height: calc(100% - 112px);
  z-index: -2;
}

.hero-grid {
  z-index: -3;
  opacity: 0.62;
  background:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
}

.hero-content {
  width: min(940px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  max-width: 1040px;
  font-size: clamp(3.05rem, 7.8vw, 6.9rem);
}

h1 span {
  color: var(--teal);
  transition: opacity 260ms ease, transform 260ms ease;
}

h1 span.is-switching {
  opacity: 0.18;
  transform: translateY(4px);
}

.hero-copy {
  max-width: 780px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.8vw, 1.24rem);
}

.hero-actions {
  margin-top: 34px;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 16px;
  border-radius: 7px;
  border: 1px solid var(--line);
  font-weight: 850;
}

.button.primary {
  color: #021011;
  border-color: var(--teal);
  background: var(--teal);
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.hero-status {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 58px;
}

.status-row {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(9, 19, 29, 0.72);
  box-shadow: var(--shadow);
}

.status-key {
  display: block;
  color: var(--teal);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.75rem;
  font-weight: 850;
  text-transform: uppercase;
}

.status-row span:last-child {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 84px 0;
  scroll-margin-top: 96px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 32px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4.2vw, 4.2rem);
}

.section-heading p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.metric-grid,
.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-card,
.project-card,
.experience-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(12, 23, 34, 0.82);
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 22px;
}

.metric-number,
.metric-suffix {
  color: var(--gold);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
}

.metric-card h3 {
  margin-top: 18px;
  font-size: 1.12rem;
}

.metric-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.architecture-section {
  padding-top: 60px;
}

.diagram-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(38, 229, 208, 0.06), transparent 28%),
    linear-gradient(315deg, rgba(255, 111, 159, 0.07), transparent 32%),
    rgba(8, 17, 26, 0.96);
  box-shadow: var(--shadow);
}

.fullstack-diagram {
  display: block;
  width: 100%;
  min-height: 426px;
}

.flow {
  fill: none;
  stroke-linecap: round;
  stroke-width: 12;
  stroke-dasharray: 25 28;
  opacity: 0.78;
  filter: url(#glow);
  animation: dashFlow 10s linear infinite;
}

.flow-primary {
  stroke: url(#flowGradient);
}

.flow-secondary {
  stroke: #dfe9ee;
  opacity: 0.47;
  animation-duration: 13s;
}

.flow-ai {
  stroke: var(--pink);
  opacity: 0.62;
  animation-duration: 15s;
}

.flow-release {
  stroke: var(--blue);
  opacity: 0.58;
  animation-duration: 12s;
}

.node rect,
.mini-node rect {
  fill: rgba(12, 23, 34, 0.88);
  stroke-width: 3;
}

.node-a rect {
  stroke: var(--teal);
}

.node-b rect {
  stroke: var(--gold);
}

.node-c rect {
  stroke: var(--green);
}

.node-d rect {
  stroke: var(--pink);
}

.node-e rect {
  stroke: var(--blue);
}

.node-f rect,
.mini-node rect {
  stroke: #485460;
}

.node-title {
  fill: var(--text);
  font-size: 26px;
  font-weight: 900;
}

.node-meta,
.mini-node text {
  fill: var(--muted);
  font-size: 16px;
  font-weight: 850;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.mini-node text:first-of-type {
  fill: var(--text);
  font-size: 18px;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

.callout-label {
  fill: var(--gold);
  font-size: 15px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-weight: 900;
}

.callout-main {
  fill: var(--text);
  font-size: 21px;
  font-weight: 900;
}

.muted-line {
  fill: var(--muted);
}

.timeline {
  display: grid;
  gap: 18px;
}

.experience-item {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 24px;
  padding: 24px;
}

.experience-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--gold);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.85rem;
  font-weight: 850;
}

.experience-body h3 {
  font-size: 1.65rem;
}

.experience-title {
  margin: 8px 0 16px;
  color: var(--teal);
  font-weight: 850;
}

.experience-body ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.experience-body li {
  margin: 12px 0;
}

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

.project-card {
  display: flex;
  flex-direction: column;
  min-height: 290px;
  padding: 24px;
}

.project-card.featured {
  border-color: rgba(38, 229, 208, 0.46);
  background: linear-gradient(145deg, rgba(38, 229, 208, 0.08), rgba(12, 23, 34, 0.9) 38%);
}

.project-type {
  margin: 0 0 12px;
  color: var(--gold);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.project-card h3 {
  font-size: 1.42rem;
}

.project-card p:not(.project-type) {
  margin: 16px 0 0;
  color: var(--muted);
}

.tag-row {
  gap: 7px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 22px;
}

.tag-row span {
  padding: 5px 8px;
  border: 1px solid rgba(38, 229, 208, 0.28);
  border-radius: 6px;
  color: var(--teal);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.project-links {
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.project-links a,
.footer-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 7px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  font-weight: 850;
}

.project-links a:hover,
.project-links a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible {
  border-color: var(--teal);
  outline: none;
}

.skill-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-cloud span {
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  background: rgba(12, 23, 34, 0.82);
  font-weight: 750;
}

.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 56px 0 70px;
  border-top: 1px solid var(--line);
}

.site-footer h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.footer-links {
  gap: 10px;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes dashFlow {
  to {
    stroke-dashoffset: -260;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 980px) {
  .nav-shell {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero-section {
    padding-top: 174px;
  }

  .hero-status,
  .metric-grid,
  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .fullstack-diagram {
    min-height: 366px;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .hero-section {
    min-height: auto;
    padding-top: 130px;
  }

  h1 {
    font-size: clamp(2.55rem, 12.4vw, 4.1rem);
  }

  .hero-status,
  .metric-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 62px 0;
  }

  .diagram-panel {
    overflow-x: auto;
  }

  .fullstack-diagram {
    width: 920px;
    max-width: none;
    min-height: 438px;
  }

  .project-card {
    min-height: 0;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}