:root {
  color-scheme: dark;
  --ink: #f5fbff;
  --muted: #9fb4bd;
  --faint: #688089;
  --paper: #05090d;
  --surface: rgba(10, 18, 24, 0.78);
  --surface-strong: rgba(14, 27, 36, 0.92);
  --line: rgba(114, 247, 255, 0.18);
  --line-strong: rgba(114, 247, 255, 0.34);
  --accent: #32f5ff;
  --accent-strong: #8bfff7;
  --hot: #ffb84d;
  --signal: #7cffb2;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  --glow: 0 0 34px rgba(50, 245, 255, 0.18);
  --radius: 8px;
  --font-sans: "Outfit", "Aptos", "Noto Sans SC", "Source Han Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at 16% 8%, rgba(50, 245, 255, 0.18), transparent 24rem),
    radial-gradient(circle at 88% 18%, rgba(124, 255, 178, 0.12), transparent 22rem),
    linear-gradient(90deg, rgba(114, 247, 255, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(114, 247, 255, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, #071016 0, #05090d 42rem, #030609 100%);
  background-size: auto, auto, 42px 42px, 42px 42px, auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 38%, rgba(50, 245, 255, 0.08) 39%, transparent 40% 100%),
    radial-gradient(circle at 50% 0, rgba(255, 184, 77, 0.08), transparent 30rem);
  mask-image: linear-gradient(180deg, #000, transparent 82%);
}

body.nav-open {
  overflow: hidden;
}

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

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

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  color: #021014;
  background: var(--accent);
  border-radius: var(--radius);
  transform: translateY(-150%);
}

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

.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(20px);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(5, 9, 13, 0.82);
  border-color: var(--line);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.26);
}

.brand {
  display: inline-grid;
  grid-template-columns: 3rem auto;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  color: #001216;
  font-weight: 900;
  letter-spacing: 0;
  background: linear-gradient(135deg, var(--accent), var(--signal));
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  box-shadow: var(--glow);
}

.brand-copy {
  display: grid;
  gap: 0.15rem;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.82rem;
}

.site-nav {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav a {
  padding: 0.65rem 0.85rem;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent-strong);
  background: rgba(50, 245, 255, 0.08);
  border-color: var(--line);
  outline: none;
}

.nav-toggle {
  display: none;
}

.section {
  width: min(100% - 2rem, 1180px);
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(300px, 0.97fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 6rem);
  min-height: calc(100dvh - 5rem);
  padding-top: clamp(3rem, 8vw, 6rem);
}

.hero-copy {
  position: relative;
}

.hero-copy::before {
  content: "SYSTEM ONLINE";
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.35rem 0.55rem;
  color: var(--signal);
  border: 1px solid rgba(124, 255, 178, 0.32);
  border-radius: 999px;
  background: rgba(124, 255, 178, 0.08);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 16ch;
  margin-bottom: 1.4rem;
  font-size: clamp(3.2rem, 6.8vw, 6.2rem);
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 0 0 46px rgba(50, 245, 255, 0.16);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.7rem;
  font-size: 1.6rem;
  line-height: 1.2;
}

p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.hero-lede {
  max-width: 62ch;
  color: #bad0d7;
  font-size: 1.08rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 900;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

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

.button:active {
  transform: scale(0.98);
}

.button-primary {
  color: #001216;
  background: linear-gradient(135deg, var(--accent), var(--signal));
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: var(--glow);
}

.button-secondary {
  color: var(--ink);
  background: rgba(13, 26, 35, 0.7);
  backdrop-filter: blur(14px);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--line-strong);
  box-shadow: var(--glow);
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 1rem;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border: 1px solid var(--line-strong);
}

.hero-visual::before {
  inset: -1rem 1.5rem 3rem -1rem;
  border-right: 0;
  border-bottom: 0;
}

.hero-visual::after {
  inset: 3rem -1rem -1rem 1.5rem;
  border-left: 0;
  border-top: 0;
}

.hero-visual img {
  width: 100%;
  min-height: 320px;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow), var(--glow);
  background: linear-gradient(145deg, rgba(10, 18, 24, 0.92), rgba(20, 42, 54, 0.72));
  filter: saturate(1.15) contrast(1.08);
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.metric-strip span {
  padding: 1rem 0.7rem;
  text-align: center;
  color: var(--accent-strong);
  background: rgba(7, 16, 22, 0.78);
  font-size: 0.9rem;
  font-weight: 900;
}

.intro-grid,
.split-section,
.resume-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.section-heading.narrow {
  max-width: 760px;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.skill-list span,
.work-tag {
  display: inline-flex;
  padding: 0.5rem 0.7rem;
  color: var(--accent-strong);
  background: rgba(50, 245, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.86rem;
  font-weight: 900;
}

.capability-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  box-shadow: var(--shadow);
}

.capability,
.site-nav-group,
.work-item,
.article-redirect-card,
.server-spec div {
  background:
    linear-gradient(180deg, rgba(17, 35, 46, 0.86), rgba(8, 16, 22, 0.82)),
    var(--surface);
  backdrop-filter: blur(16px);
}

.capability {
  min-height: 18rem;
  padding: clamp(1.4rem, 3vw, 2rem);
}

.capability-index {
  display: block;
  margin-bottom: 4rem;
  color: var(--hot);
  font-weight: 900;
}

.work-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.site-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.site-nav-tools,
.article-tools {
  display: grid;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 18, 25, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.site-nav-tools {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin-top: 2rem;
}

.site-nav-search,
.article-search,
.article-sort,
.contact-form input,
.contact-form textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0 0.9rem;
  color: var(--ink);
  background: rgba(2, 8, 12, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
  outline: none;
}

.site-nav-search:focus,
.article-search:focus,
.article-sort:focus,
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(50, 245, 255, 0.15);
}

.contact-form {
  display: grid;
  gap: 0.85rem;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  color: var(--muted);
  font-weight: 900;
}

.contact-form textarea {
  min-height: 8rem;
  padding: 0.85rem 0.9rem;
  resize: vertical;
}

.contact-form-message {
  min-height: 1.5rem;
  margin: 0;
  color: var(--accent-strong);
  font-weight: 800;
}

.site-nav-count {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 900;
  white-space: nowrap;
}

.site-nav-group {
  display: grid;
  gap: 1rem;
  min-width: 0;
  padding: clamp(1rem, 3vw, 1.3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.24);
}

.site-nav-group h3 {
  margin-bottom: 0;
}

.site-link-list {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.site-link-list a {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
  padding: 0.95rem;
  background: rgba(3, 10, 15, 0.78);
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.site-link-list a:hover,
.site-link-list a:focus-visible {
  color: var(--accent-strong);
  background: rgba(50, 245, 255, 0.08);
  transform: translateX(3px);
  outline: none;
}

.site-link-list strong {
  color: var(--ink);
  font-size: 1rem;
}

.site-link-list span {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav-empty,
.article-empty {
  display: none;
  padding: 2rem;
  color: var(--muted);
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(8, 18, 25, 0.72);
}

.site-nav-empty {
  margin-top: 1rem;
}

.work-item {
  display: grid;
  grid-template-columns: 9rem minmax(0, 0.7fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.work-item h3,
.work-item p {
  margin-bottom: 0;
}

.work-item a,
.article-link {
  color: var(--accent-strong);
  font-weight: 900;
}

.work-item a:hover,
.work-item a:focus-visible,
.article-card:hover .article-title,
.article-card:focus-visible .article-title {
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

.article-atlas {
  display: grid;
  gap: 1rem;
}

.article-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.article-stats div {
  min-width: 0;
  padding: 1rem;
  background: rgba(8, 18, 25, 0.78);
}

.article-stats strong {
  display: block;
  color: var(--ink);
  font-size: clamp(1.3rem, 3vw, 2rem);
  line-height: 1.15;
}

.article-stats span,
.article-date,
.article-url {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.article-tools {
  position: sticky;
  top: 5.25rem;
  z-index: 4;
  grid-template-columns: minmax(0, 1fr) 11rem;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.article-card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 1rem;
  min-height: 11.5rem;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 18, 25, 0.8);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.26);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.article-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--signal), var(--hot));
}

.article-card:hover,
.article-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 52px rgba(0, 0, 0, 0.32), var(--glow);
}

.article-card:active {
  transform: scale(0.99);
}

.article-card-top,
.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.article-badge {
  flex: 0 0 auto;
  min-width: 2.8rem;
  padding: 0.35rem 0.55rem;
  color: #001216;
  background: var(--accent);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 900;
}

.article-date {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-title {
  margin: 0;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1.55;
}

.article-url {
  overflow: hidden;
  color: var(--accent-strong);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-redirect-card {
  display: grid;
  gap: 1rem;
  padding: clamp(1.4rem, 4vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.article-redirect-card strong {
  color: var(--ink);
  font-size: 1.45rem;
  line-height: 1.25;
}

.article-redirect-card p {
  margin-bottom: 0;
}

.article-redirect-card .button {
  justify-self: start;
}

.resume-card {
  padding: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--ink);
  background: linear-gradient(135deg, rgba(50, 245, 255, 0.18), rgba(124, 255, 178, 0.08)), var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.resume-card .eyebrow,
.resume-card p {
  color: #bdd4dc;
}

.server-spec {
  display: grid;
  gap: 1px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.server-spec div {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  padding: 1rem;
}

.server-spec dt {
  color: var(--muted);
  font-weight: 900;
}

.server-spec dd {
  margin: 0;
  font-weight: 900;
}

.contact-section {
  align-items: center;
  margin-bottom: 3rem;
  padding: clamp(2rem, 5vw, 3rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(50, 245, 255, 0.14), rgba(255, 184, 77, 0.08)),
    rgba(8, 18, 25, 0.78);
  box-shadow: var(--shadow), var(--glow);
}

.contact-actions {
  justify-content: end;
  margin-top: 0;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2rem, 1180px);
  margin: 0 auto;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
    gap: 0.25rem;
    width: 3rem;
    height: 3rem;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(8, 18, 25, 0.86);
  }

  .nav-toggle-line {
    width: 1.1rem;
    height: 2px;
    background: var(--accent);
    transition: transform 180ms ease;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-line:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
    transform: translateY(-3px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    top: 5rem;
    left: 1rem;
    right: 1rem;
    width: calc(100% - 2rem);
    display: none;
    grid-template-columns: 1fr;
    padding: 0.8rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    padding: 1rem;
  }

  .hero,
  .intro-grid,
  .split-section,
  .resume-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  h3 {
    font-size: 1.35rem;
  }

  .capability-band {
    grid-template-columns: 1fr;
  }

  .capability {
    min-height: auto;
  }

  .capability-index {
    margin-bottom: 2rem;
  }

  .work-item {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .site-nav-grid {
    grid-template-columns: 1fr;
  }

  .site-nav-tools,
  .article-tools {
    grid-template-columns: 1fr;
  }

  .article-tools {
    top: 5rem;
  }

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

@media (max-width: 560px) {
  .brand-copy span {
    display: none;
  }

  .section {
    width: min(100% - 1.25rem, 1180px);
  }

  .hero {
    min-height: auto;
  }

  h1 {
    max-width: 10ch;
  }

  .hero-actions,
  .contact-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .metric-strip,
  .article-stats,
  .server-spec div {
    grid-template-columns: 1fr;
  }

  .metric-strip span {
    text-align: left;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}