:root {
  color-scheme: dark;
  --brand-bg-top: #12101c;
  --brand-bg-bottom: #0b0912;
  --canvas: #0b0912;
  --surface: #171321;
  --surface-raised: #211a30;
  --surface-violet: #2a2040;
  --surface-magenta: #2b1929;
  --text: #f7f4ff;
  --muted: #c9c2d8;
  --quiet: #a39aaf;
  --line: #3a334a;
  --line-strong: #554968;
  --violet: #8250dc;
  --violet-bright: #9c72e8;
  --magenta: #d246a0;
  --magenta-bright: #e36db8;
  --accent: var(--violet-bright);
  --accent-ink: #120d1d;
  --focus: var(--magenta-bright);
  --max-width: 76rem;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-family: var(--font-sans);
  font-synthesis: none;
}

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

html {
  min-width: 20rem;
  background: var(--canvas);
  scrollbar-color: var(--line-strong) var(--canvas);
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(60% 48% at 20% 12%, rgb(130 80 220 / 30%) 0%, rgb(130 80 220 / 0%) 58%),
    radial-gradient(52% 44% at 84% 88%, rgb(210 70 160 / 22%) 0%, rgb(210 70 160 / 0%) 58%),
    linear-gradient(180deg, var(--brand-bg-top) 0%, var(--brand-bg-bottom) 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

a:hover {
  color: var(--violet-bright);
}

a:focus-visible,
button:focus-visible {
  outline: 0.16rem solid var(--focus);
  outline-offset: 0.22rem;
  border-radius: 0.35rem;
}

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

h1,
h2 {
  line-height: 1.02;
  text-wrap: balance;
}

.skip-link {
  position: fixed;
  inset: 0.75rem auto auto 0.75rem;
  z-index: 30;
  padding: 0.65rem 0.9rem;
  border-radius: 0.5rem;
  background: var(--magenta-bright);
  color: var(--accent-ink);
  font-weight: 750;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: none;
  color: var(--accent-ink);
}

.site-shell {
  width: min(calc(100% - 2.5rem), var(--max-width));
  min-height: 100vh;
  margin-inline: auto;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-color: var(--line);
}

.site-header {
  min-height: 5.5rem;
  border-block-end: 1px solid var(--line);
}

.identity {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.9rem;
  font-weight: 720;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.identity:hover {
  color: var(--text);
}

.identity-mark {
  position: relative;
  display: grid;
  width: 2.35rem;
  aspect-ratio: 1;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 0.7rem;
  background:
    linear-gradient(145deg, rgb(156 114 232 / 16%), rgb(227 109 184 / 9%)),
    var(--surface);
  box-shadow: 0 10px 28px rgb(5 3 9 / 24%);
  color: var(--text);
}

.identity-mark::after {
  position: absolute;
  inset: auto 0 0;
  height: 0.16rem;
  background: linear-gradient(90deg, var(--violet-bright), var(--magenta-bright));
  content: "";
}

.identity-mark span {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.header-socials {
  display: flex;
  align-items: center;
}

.header-socials {
  gap: 0.35rem;
}

.header-socials a {
  display: grid;
  width: 2.15rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  color: var(--quiet);
}

.header-socials a:hover {
  border-color: var(--line);
  background: var(--surface-raised);
  color: var(--magenta-bright);
}

.header-socials svg {
  width: 1rem;
  height: 1rem;
}

.tab-bar {
  position: sticky;
  inset-block-start: 0;
  z-index: 10;
  border-block-end: 1px solid var(--line);
  background: rgb(18 16 28 / 92%);
  backdrop-filter: blur(18px);
}

.tab-list {
  display: flex;
  align-items: center;
  gap: clamp(1.6rem, 5vw, 3.75rem);
  min-height: 4rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-button {
  position: relative;
  display: inline-flex;
  min-height: 4rem;
  align-items: center;
  gap: 0.55rem;
  padding: 0;
  border: 0;
  border-block-end: 2px solid transparent;
  background: none;
  color: var(--quiet);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 680;
  cursor: pointer;
}

.tab-button > span {
  color: var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.tab-button:hover {
  color: var(--text);
}

.tab-button[aria-selected="true"] {
  border-block-end-color: var(--violet-bright);
  color: var(--text);
}

.tab-button[aria-selected="true"] > span {
  color: var(--magenta-bright);
}

.tab-panels {
  min-width: 0;
}

.tab-panel {
  padding-block: clamp(3.5rem, 8vw, 7rem);
}

[data-tabs-ready="true"] .tab-panel[hidden] {
  display: none;
}

.eyebrow {
  margin-block-end: 1.35rem;
  color: var(--violet-bright);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.home-panel {
  position: relative;
  display: grid;
  min-height: clamp(31rem, calc(100vh - 14rem), 42rem);
  align-content: center;
  overflow: hidden;
  margin-block: clamp(2rem, 4vw, 3.5rem);
  padding: clamp(2rem, 5.5vw, 5rem);
  border: 1px solid var(--line);
  border-radius: clamp(1.25rem, 3vw, 2rem);
  background:
    linear-gradient(115deg, rgb(23 19 33 / 96%) 0%, rgb(23 19 33 / 82%) 58%, rgb(33 26 48 / 72%) 100%);
  box-shadow: 0 24px 70px rgb(5 3 9 / 25%);
}

.home-panel::before {
  position: absolute;
  inset: -35% -20% auto auto;
  width: 42rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(130 80 220 / 18%) 0%, rgb(130 80 220 / 0%) 68%);
  content: "";
  pointer-events: none;
}

.home-panel::after {
  position: absolute;
  inset: auto -8rem -15rem auto;
  width: 34rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(210 70 160 / 13%) 0%, rgb(210 70 160 / 0%) 68%);
  content: "";
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 54rem;
}

h1 {
  max-width: 18ch;
  margin-block-end: 1.65rem;
  font-size: clamp(2.5rem, 5.4vw, 4.8rem);
  font-weight: 690;
  letter-spacing: -0.058em;
}

.hero-intro {
  max-width: 47rem;
  margin-block-end: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.65vw, 1.28rem);
  line-height: 1.65;
}

.hero-signature {
  position: absolute;
  z-index: 1;
  inset: auto clamp(2rem, 5.5vw, 5rem) clamp(1.6rem, 4vw, 3.25rem) auto;
  display: grid;
  width: min(29rem, 38%);
  grid-template-columns: 1rem 1fr 1rem 1fr 1rem;
  align-items: center;
  opacity: 0.82;
}

.signature-node {
  width: 0.72rem;
  aspect-ratio: 1;
  justify-self: center;
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface-raised);
  box-shadow: 0 0 0 0.35rem rgb(58 51 74 / 20%);
}

.signature-node-focus {
  border-color: var(--violet-bright);
  background: var(--violet-bright);
  box-shadow: 0 0 0 0.4rem rgb(156 114 232 / 16%);
}

.signature-node-end {
  border-color: var(--magenta-bright);
  background: var(--magenta-bright);
  box-shadow: 0 0 0 0.4rem rgb(227 109 184 / 13%);
}

.signature-path {
  height: 0.16rem;
  border-radius: 999px;
}

.signature-path-violet {
  background: linear-gradient(90deg, var(--line-strong), var(--violet-bright));
}

.signature-path-magenta {
  background: linear-gradient(90deg, var(--violet-bright), var(--magenta-bright));
}

.panel-heading {
  max-width: 51rem;
  margin-block-end: clamp(2.5rem, 6vw, 4rem);
}

.panel-heading h2 {
  margin-block-end: 1.25rem;
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 680;
  letter-spacing: -0.065em;
}

.panel-heading > p:not(.eyebrow) {
  margin-block-end: 1rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.project-grid {
  display: grid;
  gap: 1rem;
}

.project-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 3vw, 2.25rem);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  background: rgb(23 19 33 / 86%);
  box-shadow: 0 16px 40px rgb(5 3 9 / 16%);
}

.project-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0.16rem;
  background: var(--violet);
  content: "";
}

.project-card:nth-child(2)::before {
  background: linear-gradient(var(--violet), var(--magenta));
}

.project-card:nth-child(3)::before {
  background: var(--magenta);
}

.project-card > header {
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  align-items: baseline;
  gap: 0.75rem;
}

.project-index {
  color: var(--violet-bright);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.project-card h3 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.035em;
}

.project-card header > a {
  color: var(--magenta-bright);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  text-transform: uppercase;
}

.project-card > p {
  max-width: 50rem;
  margin: 1rem 0 1.6rem 2.75rem;
  color: var(--muted);
}

.pr-list {
  margin: 0 0 0 2.75rem;
  padding: 0;
  border-block-start: 1px solid var(--line);
  list-style: none;
}

.pr-list li {
  border-block-end: 1px solid var(--line);
}

.pr-list a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  text-decoration: none;
  font-size: 0.86rem;
}

.pr-list a:hover {
  color: var(--violet-bright);
}

.pr-status {
  color: var(--quiet);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.empty-state {
  display: flex;
  gap: 1rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  color: var(--muted);
}

.empty-state strong {
  color: var(--text);
}

.empty-state p {
  margin: 0.25rem 0 0;
}

.thought-list {
  display: grid;
  gap: 1rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.thought-list li {
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  background:
    linear-gradient(130deg, rgb(23 19 33 / 94%), rgb(33 26 48 / 78%));
  box-shadow: 0 16px 40px rgb(5 3 9 / 14%);
}

.thought-list li:nth-child(even) {
  background:
    linear-gradient(130deg, rgb(23 19 33 / 94%), rgb(43 25 41 / 66%));
}

.thought-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--quiet);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.thought-meta span {
  color: var(--violet-bright);
}

.thought-list li:nth-child(even) .thought-meta span {
  color: var(--magenta-bright);
}

.thought-list h3 {
  max-width: 48rem;
  margin: 2rem 0 0.9rem;
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.thought-list h3 a {
  color: var(--text);
  text-decoration: none;
}

.thought-list h3 a:hover,
.thought-list h3 a:focus-visible {
  color: var(--violet-bright);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.thought-list p {
  max-width: 48rem;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.thought-body p + p {
  margin-top: 1rem;
}

.thought-link {
  display: inline-block;
  margin-top: 1.7rem;
  color: var(--magenta-bright);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lang-switch [data-lang] {
  display: none;
}

.lang-switch:has(.lang-radio-tr:checked) [data-lang="tr"] {
  display: revert;
}

.lang-switch:has(.lang-radio-en:checked) [data-lang="en"] {
  display: revert;
}

.lang-toggle {
  display: inline-flex;
  gap: 0.4rem;
  margin-block-end: 1.1rem;
}

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

.lang-toggle-option {
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--quiet);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.lang-radio:checked + .lang-toggle-option {
  border-color: var(--violet-bright);
  background: var(--violet-bright);
  color: var(--accent-ink);
}

.lang-radio:focus-visible + .lang-toggle-option {
  outline: 0.16rem solid var(--focus);
  outline-offset: 0.22rem;
}

.article-page {
  width: min(100%, 54rem);
  margin-inline: auto;
  padding-block: clamp(2.5rem, 7vw, 6rem);
}

.article-back {
  display: inline-block;
  margin-block-end: clamp(3rem, 7vw, 5.5rem);
  color: var(--quiet);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  text-transform: uppercase;
}

.article-heading {
  padding-block-end: clamp(2rem, 5vw, 3.5rem);
  border-block-end: 1px solid var(--line);
}

.article-heading h1 {
  max-width: 22ch;
  margin: clamp(1.75rem, 5vw, 3rem) 0 0;
  font-size: clamp(2.35rem, 6vw, 4.75rem);
}

.translation-note {
  margin: 1.5rem 0 0;
  color: var(--quiet);
  font-size: 0.88rem;
  font-style: italic;
}

.article-body {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.18rem);
  line-height: 1.85;
}

.article-body p {
  max-width: 45rem;
  margin-block-end: 1.6em;
}

.article-body p:last-child {
  margin-block-end: 0;
}

.article-source {
  padding-block: 0 clamp(3rem, 7vw, 5rem);
  border-block-end: 1px solid var(--line);
}

.article-source .thought-link {
  margin-block-start: 0;
}

.resume-section {
  padding-block: 2.75rem;
  border-block-start: 1px solid var(--line);
}

.resume-section > h3 {
  margin-block-end: 1.8rem;
  color: var(--violet-bright);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.education-list h4,
.skill-groups h4 {
  margin: 0;
  font-size: 1rem;
}

.education-list p {
  margin: 0.2rem 0;
  color: var(--quiet);
  font-size: 0.78rem;
}

.education-list,
.skill-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.education-list article,
.skill-groups section {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgb(23 19 33 / 82%);
}

.skill-groups ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.skill-groups li {
  padding: 0.32rem 0.58rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(33 26 48 / 58%);
  color: var(--muted);
  font-size: 0.74rem;
}

.site-footer {
  min-height: 4.5rem;
  border-block-start: 1px solid var(--line);
  color: var(--quiet);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.site-footer p {
  margin: 0;
}

.error-page {
  display: flex;
  width: min(calc(100% - 2rem), 42rem);
  min-height: 100vh;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  margin: auto;
}

.error-page h1 {
  font-size: clamp(3rem, 12vw, 6rem);
}

.social-link-primary {
  display: inline-flex;
  padding: 0.7rem 1rem;
  border: 1px solid var(--violet);
  border-radius: 0.7rem;
  background: var(--surface-raised);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

.social-link-primary:hover {
  border-color: var(--magenta);
  color: var(--magenta-bright);
}

@media (max-width: 42rem) {
  .site-shell {
    width: min(calc(100% - 1.4rem), var(--max-width));
  }

  .identity-name {
    display: none;
  }

  .site-header {
    min-height: 4.75rem;
  }

  .tab-list {
    gap: 1.4rem;
    min-height: 3.6rem;
  }

  .tab-button {
    min-height: 3.6rem;
  }

  .tab-button > span {
    display: none;
  }

  .home-panel {
    min-height: calc(100svh - 11rem);
    margin-block: 1.25rem;
    padding: 2rem 1.35rem 5rem;
    border-radius: 1.2rem;
  }

  .hero-signature {
    inset: auto 1.5rem 1.8rem;
    width: auto;
  }

  h1 {
    font-size: clamp(2.35rem, 12.5vw, 3.4rem);
  }

  .education-list,
  .skill-groups {
    grid-template-columns: 1fr;
  }

  .project-card > header {
    grid-template-columns: 1.5rem 1fr;
  }

  .project-card header > a {
    grid-column: 2;
  }

  .project-card > p,
  .pr-list {
    margin-inline-start: 2.25rem;
  }

  .pr-list a {
    align-items: flex-start;
    flex-direction: column;
  }

  .pr-status {
    white-space: normal;
  }

  .thought-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .article-page {
    padding-block-start: 2rem;
  }

  .article-heading h1 {
    font-size: clamp(2.1rem, 11vw, 3.25rem);
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.1rem;
  }
}

@media (prefers-contrast: more) {
  :root {
    --muted: #e4deee;
    --quiet: #d1c8dd;
    --line: #756985;
    --line-strong: #9587a8;
  }
}

@media (forced-colors: active) {
  .tab-button[aria-selected="true"] {
    border-block-end-color: Highlight;
  }

  .project-card::before,
  .identity-mark::after {
    background: Highlight;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .tab-bar {
    background: var(--brand-bg-top);
    backdrop-filter: none;
  }
}

@media print {
  .skip-link,
  .tab-bar,
  .hero-signature {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .tab-panel[hidden] {
    display: block !important;
  }

  .site-shell {
    width: 100%;
  }
}