@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("../font/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("../font/inter-greek.woff2") format("woff2");
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}

:root {
  color-scheme: light;
  --bg: #f7f7fb;
  --surface: #ffffff;
  --surface-2: #f0f1f7;
  --text: #1b1e27;
  --muted: #5b6172;
  --border: #e3e5ee;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef0ff;
  --on-accent: #ffffff;
  --success: #15803d;
  --danger: #b91c1c;
  --shadow: 0 1px 2px rgb(16 24 40 / 0.04), 0 8px 24px rgb(16 24 40 / 0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 64px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1116;
  --surface: #161a22;
  --surface-2: #1d2230;
  --text: #e7e9ee;
  --muted: #9aa1b2;
  --border: #262c3a;
  --accent: #8b85ff;
  --accent-hover: #a5a0ff;
  --accent-soft: #23234a;
  --on-accent: #0e1116;
  --success: #4ade80;
  --danger: #f87171;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 8px 24px rgb(0 0 0 / 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0e1116;
    --surface: #161a22;
    --surface-2: #1d2230;
    --text: #e7e9ee;
    --muted: #9aa1b2;
    --border: #262c3a;
    --accent: #8b85ff;
    --accent-hover: #a5a0ff;
    --accent-soft: #23234a;
    --on-accent: #0e1116;
    --success: #4ade80;
    --danger: #f87171;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 8px 24px rgb(0 0 0 / 0.25);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0;
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: min(1080px, 100% - 2.5rem);
  margin-inline: auto;
}

.icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon .fill,
symbol .fill {
  fill: currentColor;
  stroke: none;
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
  color: #fff;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: var(--header-h);
}

.nav-brand {
  min-width: 0;
  margin-right: auto;
  overflow: hidden;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
}

.nav-links a {
  display: block;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s, background-color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  background: var(--accent-soft);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.icon-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.nav-toggle {
  display: none;
}

.lang-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

.lang-switch a {
  min-width: 36px;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  transition: color 0.2s, background-color 0.2s;
}

.lang-switch a:hover {
  color: var(--accent);
}

.lang-switch a[aria-current] {
  background: var(--accent);
  color: var(--on-accent);
}

.icon-moon,
:root[data-theme="dark"] .icon-sun {
  display: none;
}

:root[data-theme="dark"] .icon-moon {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-sun {
    display: none;
  }

  :root:not([data-theme="light"]) .icon-moon {
    display: block;
  }
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 8vw, 6rem);
}

.hero-photo img {
  width: clamp(180px, 24vw, 260px);
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid var(--surface);
  box-shadow: var(--shadow), 0 0 0 1px var(--border);
}

.eyebrow {
  margin-bottom: 0.25rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero-role {
  margin: 0.5rem 0 1rem;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 600;
  color: var(--muted);
}

.hero-tagline {
  max-width: 36rem;
  font-size: 1.05rem;
}

.hero-location {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: progress;
  transform: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--on-accent);
}

.btn-ghost {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

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

.social {
  display: flex;
  gap: 0.5rem;
}

.social a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  color: var(--muted);
  border: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
}

.social a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Sections */

.section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: var(--shadow);
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.25rem;
}

.about-bio {
  font-size: 1.05rem;
}

.facts {
  display: grid;
  gap: 1rem;
  margin: 0;
  align-content: start;
}

.facts dt {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.facts dd {
  margin: 0;
  font-weight: 500;
  overflow-wrap: anywhere;
}

/* Timeline */

.timeline {
  position: relative;
  display: grid;
  gap: 1.25rem;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0.45rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(var(--accent), var(--border));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-2rem + 0.45rem - 6px + 1px);
  top: 1.9rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--accent);
}

.timeline-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.timeline-head h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.timeline-item .timeline-org {
  margin: 0.15rem 0 0;
  color: var(--accent);
  font-weight: 600;
}

.timeline-date {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.badge {
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--success) 15%, transparent);
  color: var(--success);
  font-size: 0.75rem;
  font-weight: 600;
}

.timeline-item p {
  color: var(--muted);
}

/* Chips */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chips li {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
}

.chips-sm {
  margin-top: 1rem;
}

.chips-sm li {
  padding: 0.2rem 0.65rem;
  font-size: 0.8rem;
  background: var(--surface-2);
  color: var(--muted);
}

/* Skills */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.skill-group h3 {
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 700;
}

.skills-extra {
  margin: 1.25rem 0 0;
  color: var(--muted);
}

.skills-extra strong {
  color: var(--text);
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 1.25rem;
  align-items: start;
}

.contact-cards {
  display: grid;
  gap: 1rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text);
  transition: border-color 0.2s, transform 0.2s;
}

a.contact-card:hover {
  color: var(--text);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.contact-card > .icon {
  width: 44px;
  height: 44px;
  padding: 11px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}

.contact-card span {
  display: grid;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-card strong {
  color: var(--text);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label {
  font-size: 0.9rem;
  font-weight: 600;
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field textarea {
  resize: vertical;
  min-height: 140px;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.field [aria-invalid="true"] {
  border-color: var(--danger);
}

.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.g-recaptcha:empty {
  display: none;
}

/* A dark color-scheme on this iframe makes Chrome draw a white line on the
   right and a grey line along the bottom. Keep the frame in light scheme. */
.g-recaptcha iframe {
  display: block;
  color-scheme: light;
}

.contact-form .btn {
  justify-self: start;
}

.form-status:empty {
  display: none;
}

.form-status {
  margin: 0;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.form-status.is-success {
  background: color-mix(in srgb, var(--success) 12%, transparent);
  color: var(--success);
}

.form-status.is-error {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
}

/* Footer */

.site-footer {
  margin-top: 2rem;
  padding-block: 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer p {
  margin: 0;
}

/* Reveal on scroll (enabled by JS) */

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */

@media (max-width: 860px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav {
    gap: 0.5rem;
  }

  .nav-brand {
    font-size: 0.95rem;
  }

  .nav-toggle {
    display: inline-grid;
  }

  .nav-links {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 0.75rem 1.25rem 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius-sm);
  }

  .hero {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

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

  .hero-location,
  .hero-actions,
  .social {
    justify-content: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-item::before {
    left: calc(-1.5rem + 0.45rem - 6px + 1px);
  }

  .timeline-date {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

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