@font-face {
  font-family: "Manrope";
  src: url("/fonts/manrope.woff2") format("woff2-variations"),
       url("/fonts/manrope.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Space Mono";
  src: url("/fonts/space-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Space Mono";
  src: url("/fonts/space-mono-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-bg: #0a0a0f;
  --color-bg-elevated: #0d0d18;
  --color-bg-card: #11111c;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hairline: rgba(255, 255, 255, 0.10);
  --color-border-faint: rgba(255, 255, 255, 0.04);
  --color-border-strong: rgba(255, 255, 255, 0.16);
  --color-fg: #f5f5f7;
  --color-fg-muted: #6b6b8a;
  --color-fg-dim: #4a4a66;
  --color-accent: #00ffe5;
  --color-accent-strong: #5cffee;
  --color-accent-glow: rgba(0, 255, 229, 0.22);

  --font-mono: "Space Mono", ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
  --font-display: "Manrope", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  --max-width: 72rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--color-accent-strong); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

p { margin: 0 0 1em; }

h1, h2, h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
  font-weight: 800;
  text-wrap: balance;
}

p, li { text-wrap: pretty; }

::selection { background: var(--color-accent-glow); color: var(--color-fg); }

.nowrap { white-space: nowrap; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* ── Header / nav ───────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 0.5px solid var(--color-border-hairline);
  z-index: 10;
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto auto 1fr auto auto;
  grid-template-areas: "logo badge . nav lang";
  align-items: center;
  column-gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-header__inner > .logomark { grid-area: logo; }
.site-header__inner > .status-badge { grid-area: badge; }
.site-header__inner > .site-nav { grid-area: nav; justify-self: end; }
.site-header__inner > .lang-toggle { grid-area: lang; justify-self: end; }

.logomark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--color-accent);
  letter-spacing: -1px;
  text-decoration: none;
  flex-shrink: 0;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--color-fg-muted);
  white-space: nowrap;
}

.status-badge .dot {
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent), 0 0 0 1px var(--color-accent-glow);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .site-header__inner {
    grid-template-columns: auto 1fr auto auto;
    grid-template-areas:
      "logo . nav lang"
      "badge badge badge badge";
    padding-top: var(--space-3);
    padding-bottom: 0;
  }
  .site-header__inner > .site-nav {
    gap: var(--space-3);
    font-size: 12px;
  }
  .site-header__inner > .status-badge {
    border-top: 0.5px solid var(--color-border-faint);
    padding: var(--space-3) 0;
    margin-top: var(--space-3);
  }
}

@media (max-width: 480px) {
  .site-header__inner {
    grid-template-columns: auto 1fr auto;
    grid-template-areas:
      "logo . lang"
      "nav nav nav"
      "badge badge badge";
    row-gap: var(--space-2);
    padding-top: var(--space-2);
  }
  .site-header__inner > .site-nav { justify-self: stretch; justify-content: space-between; }
  .site-header__inner > .site-nav > a { min-height: 36px; }
  .site-header__inner > .lang-toggle a { min-height: 36px; }
  .site-header__inner > .status-badge {
    padding: var(--space-2) 0;
    margin-top: 0;
  }
}

@media (max-width: 600px) {
  .status-badge {
    font-size: 11px;
    white-space: normal;
    align-items: flex-start;
    min-width: 0;
  }
  .status-badge .dot { margin-top: 4px; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.site-nav {
  display: flex;
  gap: var(--space-5);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--color-fg-muted);
  transition: color 0.15s;
}

.site-nav a:hover { color: var(--color-accent); }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding-left: var(--space-3);
  border-left: 1px solid var(--color-border-hairline);
  color: var(--color-fg-muted);
}

.lang-toggle__current { color: var(--color-accent); }

.lang-toggle__sep { opacity: 0.5; }

.lang-toggle a { color: var(--color-fg-muted); }
.lang-toggle a:hover { color: var(--color-accent); }

@media (max-width: 640px) {
  .site-nav { gap: var(--space-3); font-size: 11px; align-items: center; }
  .site-nav > a, .lang-toggle a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }
  .lang-toggle { padding-left: var(--space-2); align-items: center; }
}

@media (max-width: 480px) {
  .site-nav { gap: var(--space-2); letter-spacing: 0.04em; }
  .lang-toggle { padding-left: var(--space-1); border-left: 0; gap: 0.25em; }
}

/* ── Section primitives ─────────────────────────────────── */

.section {
  padding: var(--space-8) 0 var(--space-6);
  border-top: 0.5px solid var(--color-border-hairline);
  scroll-margin-top: 80px;
}

.section:first-of-type { border-top: 0; padding-top: var(--space-8); }

.section-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-fg-muted);
  margin-bottom: var(--space-5);
}

.section-label::before { content: "// "; color: var(--color-accent); }

.section-title {
  font-size: clamp(1.75rem, 1.4rem + 1.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: var(--space-6);
  color: var(--color-fg);
}

/* ── Hero ───────────────────────────────────────────────── */

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  min-height: calc(100vh - 80px);
  padding: var(--space-8) 0 var(--space-10);
  position: relative;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.hero__scroll:hover {
  color: var(--color-accent);
}

.hero__scroll__arrow {
  font-size: 16px;
  color: var(--color-accent);
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50%      { transform: translateY(6px); opacity: 1; }
}

@media (max-width: 900px) {
  .hero__scroll { display: none; }
}

@supports (animation-timeline: scroll()) {
  .hero__scroll {
    animation: hero-scroll-fade linear both;
    animation-timeline: scroll(root);
    animation-range: 0 240px;
  }

  @keyframes hero-scroll-fade {
    to {
      opacity: 0;
      transform: translate(-50%, -12px);
      pointer-events: none;
    }
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    min-height: 0;
    padding: var(--space-6) 0 var(--space-6);
  }
  .hero__ctas { margin-bottom: var(--space-3); }
}

@media (max-width: 480px) {
  .hero { gap: var(--space-5); }
}

.hero__label {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--color-fg-muted);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero__label .accent {
  color: var(--color-accent);
}

.hero__label__sep { color: var(--color-fg-dim); }

.hero__label::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 0.5px;
  background: var(--color-accent);
  flex-shrink: 0;
}

@media (max-width: 560px),
       (min-width: 901px) and (max-width: 1099px) {
  .hero__label__sep { display: none; }
  .hero__label__meta { flex-basis: 100%; }
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 2rem + 6vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-4);
  color: var(--color-fg);
}

@media (min-width: 901px) and (max-width: 1099px) {
  .hero__name { font-size: 4.5rem; }
}

.hero__tagline {
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.25rem);
  color: var(--color-fg);
  max-width: 32rem;
  margin-bottom: var(--space-2);
  font-weight: 400;
}

.hero__tagline--secondary {
  margin-bottom: var(--space-4);
}

.hero__tagline .accent { color: var(--color-accent); }
.hero__tagline strong { color: var(--color-fg); font-weight: 700; }

.hero__tagline a {
  text-decoration: underline;
  text-decoration-color: rgba(0, 255, 229, 0.4);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s;
}

.hero__tagline a:hover {
  text-decoration-color: var(--color-accent);
}

@media (max-width: 900px) {
  .hero__tagline { max-width: none; text-wrap: balance; }
}

.hero__stack {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

@media (max-width: 480px) {
  .hero__ctas { gap: var(--space-3); }
  .hero__ctas .btn--primary {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}

/* ── Buttons ────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.875rem var(--space-5);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all 0.15s;
  cursor: pointer;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #0a0a0f;
}

.btn--primary:hover {
  background: var(--color-accent-strong);
  color: #0a0a0f;
  box-shadow: 0 0 24px var(--color-accent-glow);
}

.btn--secondary {
  background: transparent;
  color: var(--color-fg);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--color-border-strong);
  padding-left: 0;
}

.btn--secondary:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

/* ── Hero right column: metrics + chips ─────────────────── */

.hero__right {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 1fr;
  gap: var(--space-3);
}

.metric {
  background: var(--color-bg-elevated);
  border: 0.5px solid var(--color-border-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color 0.15s, transform 0.15s;
}

.metric:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
}

.metric__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.6rem + 1.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-fg);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.metric__num em {
  color: var(--color-accent);
  font-style: normal;
}

.metric__label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: #B0B8C5;
  text-transform: uppercase;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 0.4rem var(--space-3);
  border: 0.5px solid var(--color-border-hairline);
  border-radius: var(--radius-sm);
  color: #B0B8C5;
  background: transparent;
  line-height: 1.4;
  transition: color 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
  display: inline-block;
}

.chip--primary {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent-glow), inset 0 0 12px rgba(0, 255, 229, 0.04);
}

.chip:hover {
  color: var(--color-fg);
  border-color: var(--color-border-strong);
}

.chip--primary:hover {
  color: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
  box-shadow: 0 0 20px rgba(0, 255, 229, 0.45), inset 0 0 16px rgba(0, 255, 229, 0.08);
}

/* ── About ──────────────────────────────────────────────── */

#about .section-label,
#about .section-title,
#about .now-block,
#about .about-text {
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}

.about-text {
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  color: var(--color-fg);
}

.about-text p { color: var(--color-fg); }
.about-text strong { color: var(--color-accent); font-weight: 600; }

.now-block {
  margin-bottom: var(--space-6);
  padding: var(--space-4) var(--space-5);
  border-left: 2px solid var(--color-accent);
  background: rgba(0, 255, 229, 0.04);
}

.now-block__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.now-block__text {
  font-size: clamp(0.95rem, 0.92rem + 0.2vw, 1.0625rem);
  color: var(--color-fg);
  margin: 0;
  line-height: 1.5;
}

/* ── Education school block ─────────────────────────────── */

.school {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px dashed var(--color-border-hairline);
}

.school__name {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1rem + 1.2vw, 1.75rem);
  font-weight: 700;
  color: var(--color-fg);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.school__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-fg-muted);
  margin: 0;
}

.school__meta strong {
  color: var(--color-accent);
  font-weight: 400;
}

.degree-link {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.degree-link__arrow {
  display: inline-block;
  font-size: 0.7em;
  font-weight: 400;
  color: var(--color-accent);
  margin-left: 0.4em;
  vertical-align: middle;
  transition: color 0.2s ease, transform 0.2s ease;
}

.degree-link:hover .degree-link__arrow {
  color: var(--color-accent-strong);
  transform: translate(2px, -2px);
}

/* ── Experience timeline ────────────────────────────────── */

.timeline {
  display: flex;
  flex-direction: column;
}

.role {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: var(--space-6);
  padding: var(--space-6) 0;
  border-top: 1px dashed var(--color-border-hairline);
}

.role:first-child { border-top: 0; padding-top: 0; }

#education .role { border-top: 0; padding: var(--space-3) 0; }
#education .role:first-child { padding-top: 0; }

@media (max-width: 849px) {
  .role { grid-template-columns: 1fr; gap: var(--space-3); }
}

.role__when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-fg-muted);
  padding-top: var(--space-1);
}

.role__title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-fg-muted);
  margin-bottom: var(--space-1);
  letter-spacing: 0.02em;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: var(--space-2);
}

.role__title__sep { color: var(--color-fg-dim); }

@media (max-width: 480px) {
  .role__title__sep { display: none; }
}

.role__company {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 0.95rem + 0.8vw, 1.5rem);
  font-weight: 700;
  color: var(--color-fg);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.role__company-line {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-fg-muted);
  margin-bottom: var(--space-4);
}

.role__company-line .accent { color: var(--color-accent); }

.role ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.role li {
  position: relative;
  padding-left: var(--space-5);
  color: var(--color-fg);
  margin-bottom: var(--space-3);
  font-weight: 400;
}

.role li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.role li strong {
  color: var(--color-fg);
  font-weight: 700;
}

/* ── Skills ─────────────────────────────────────────────── */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .skills-grid { grid-template-columns: 1fr; }
}

.skill-group__title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-fg);
  margin-bottom: var(--space-3);
}

.skill-group .chips { gap: var(--space-2); }

/* ── Languages ──────────────────────────────────────────── */

.languages-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-6);
  max-width: 60rem;
}

.languages-list__row {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--space-3);
  align-items: baseline;
}

@media (max-width: 720px) {
  .languages-list { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .languages-list__row { grid-template-columns: 5rem 1fr; gap: var(--space-2); }
}

.languages-list__name {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-fg-muted);
  letter-spacing: 0.04em;
}

.languages-list__name--accent { color: var(--color-accent); }

.languages-list__level {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-fg);
}

/* ── Contact ────────────────────────────────────────────── */

.contact-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-6);
  max-width: 60rem;
}

.contact-list__row {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--space-3);
  align-items: baseline;
}

@media (max-width: 720px) {
  .contact-list { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .contact-list__row { grid-template-columns: 5rem 1fr; gap: var(--space-2); }
}

.contact-list__label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-fg-muted);
  letter-spacing: 0.04em;
}

.contact-list__label--accent { color: var(--color-accent); }

.contact-list__value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-fg);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  transition: color 0.2s ease;
}

.contact-list__value:hover { color: var(--color-accent); }

@media (max-width: 640px) {
  .contact-list__value,
  .languages-list__level {
    min-height: 44px;
    align-items: center;
  }
}

.contact-list__arrow {
  font-size: 0.85em;
  color: var(--color-accent);
  transition: transform 0.2s ease;
}

.contact-list__value:hover .contact-list__arrow {
  transform: translate(2px, -2px);
}

/* ── Footer ─────────────────────────────────────────────── */

.site-footer {
  border-top: 0.5px solid var(--color-border-hairline);
  padding: var(--space-6) 0;
  margin-top: var(--space-12);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-fg-dim);
  letter-spacing: 0.04em;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.footer-copy {
  display: inline-block;
  transform: translateY(1px);
}