/* Self-hosted. No third-party font requests leave the visitor’s browser. */
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:200 900;font-display:swap;src:url('../fonts/serif-latin.woff2') format('woff2-variations');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:'Source Serif 4';font-style:normal;font-weight:200 900;font-display:swap;src:url('../fonts/serif-latin-ext.woff2') format('woff2-variations');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:200 900;font-display:swap;src:url('../fonts/serif-greek.woff2') format('woff2-variations');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:100 700;font-display:swap;src:url('../fonts/plex-latin.woff2') format('woff2-variations');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:'IBM Plex Sans';font-style:normal;font-weight:100 700;font-display:swap;src:url('../fonts/plex-latin-ext.woff2') format('woff2-variations');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:100 700;font-display:swap;src:url('../fonts/plex-greek.woff2') format('woff2-variations');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF;}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:100 800;font-display:swap;src:url('../fonts/mono-latin.woff2') format('woff2-variations');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:'JetBrains Mono';font-style:normal;font-weight:100 800;font-display:swap;src:url('../fonts/mono-latin-ext.woff2') format('woff2-variations');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:100 800;font-display:swap;src:url('../fonts/mono-greek.woff2') format('woff2-variations');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF;}

/* ialexopoulos.org — one stylesheet for both languages.
   Colours are tokens on :root; dark mode follows the visitor's system setting
   unless they pick a theme with the toggle (stored as data-theme). */
:root{
  --paper:#F7F6F2; --raise:#FFFFFF; --ink:#1A1A18; --body:#3C3A34;
  --muted:#6B6860; --faint:#747066; --rule:#E2DFD6; --accent:#1E4B6B;
  --accent-soft:#DDE6ED;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sans:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --rail:132px; --gap:64px; --measure:660px;
  --h1w:400; --h2w:400; --h3w:600; --h1t:-.016em;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#15161A; --raise:#1B1D22; --ink:#EDECE7; --body:#C7C5BD;
  --muted:#96938B; --faint:#8A877E; --rule:#2B2E34; --accent:#8CBBDD;
  --accent-soft:#22313D;
}}
:root[data-theme="dark"]{
  --paper:#15161A; --raise:#1B1D22; --ink:#EDECE7; --body:#C7C5BD;
  --muted:#96938B; --faint:#8A877E; --rule:#2B2E34; --accent:#8CBBDD;
  --accent-soft:#22313D;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-weight:300;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
.wrap{max-width:1040px;margin:0 auto;padding-inline:clamp(16px,5vw,72px)}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
html{scroll-behavior:smooth;scroll-padding-top:92px}

.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.bar-in{max-width:1040px;margin:0 auto;padding:0 clamp(16px,5vw,72px);height:58px;display:flex;align-items:center;gap:18px}
.mark{font-family:var(--serif);font-size:17px;letter-spacing:.01em;text-decoration:none;flex-shrink:0}
.mark span{color:var(--accent)}
nav{display:flex;gap:4px;margin-left:auto;align-items:center}
nav a{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;padding:8px 9px;border-radius:4px;transition:color .18s,background .18s}
nav a:hover{color:var(--ink)}
nav a.on{color:var(--accent);background:var(--accent-soft)}
.tools{display:flex;gap:6px;align-items:center;margin-left:6px;padding-left:12px;border-left:1px solid var(--rule)}
.tool{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  background:none;border:1px solid var(--rule);border-radius:4px;padding:7px 10px;cursor:pointer;
  font-weight:500;transition:color .18s,border-color .18s;min-width:44px;height:30px;line-height:1}
.tool:hover{color:var(--ink);border-color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (max-width:720px){nav a[data-sec="education"],nav a[data-sec="skills"]{display:none}}
@media (max-width:470px){nav a{display:none}.tools{border-left:0;margin-left:auto}}

/* Rail text sits on the baseline of the heading beside it, whatever the typeface or heading size. */
.row{display:flex;gap:var(--gap);align-items:baseline}
.rail{width:var(--rail);flex-shrink:0}
.col{flex:1;min-width:0}
@media (max-width:760px){.row{flex-direction:column;gap:8px}.rail{width:auto;padding-top:0}}

.lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--faint)}
.yr{font-family:var(--mono);font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}

.hero{padding-top:clamp(56px,9vw,104px)}
h1{font-family:var(--serif);font-weight:var(--h1w);font-size:clamp(34px,5.4vw,52px);line-height:1.08;
  letter-spacing:var(--h1t);margin:0;text-wrap:balance}
.role{font-size:clamp(15px,1.7vw,17px);font-weight:500;color:var(--accent);margin:14px 0 0;letter-spacing:-.004em;line-height:1.5;text-wrap:balance}
.role .at{color:var(--muted);font-weight:400;white-space:nowrap}
@media (max-width:760px){.role .at{display:block}.role .at .sep{display:none}}
.intro{margin:20px 0 0;max-width:var(--measure);font-size:16px;line-height:1.72;color:var(--body)}

/* Card spans the full column so its right edge meets the rules, nav and footer.
   The PDF link is its own group: on one line it sits right; if it wraps it starts left, never orphaned right. */
.card{margin-top:28px;border:1px solid var(--rule);border-radius:8px;background:var(--raise);
  padding:16px 24px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 24px}
.card .links{display:flex;flex-wrap:wrap;gap:6px 24px;align-items:baseline}
.card a{font-size:14px;text-decoration:none;color:var(--body);padding:4px 0}
.card a:hover{color:var(--accent)}
.card .pri{font-family:var(--mono);font-size:13.5px;color:var(--ink);letter-spacing:-.01em}
.card a.pri:hover{color:var(--accent)}
.pdf{font-family:var(--mono);font-size:11px!important;letter-spacing:.1em;
  text-transform:uppercase;color:var(--accent)!important;white-space:nowrap}

section{padding-top:clamp(52px,7vw,80px)}
.head{display:flex;gap:var(--gap);align-items:baseline;padding-bottom:14px}
@media (max-width:760px){.head{gap:0}.head .rail{display:none}}
h2.sh{font-family:var(--serif);font-weight:var(--h2w);font-size:clamp(24px,2.6vw,28px);line-height:1.2;
  letter-spacing:-.01em;margin:0;color:var(--ink)}
hr{border:0;height:1px;background:var(--rule);margin:0}

.item{padding:24px 0}
.item + .item{border-top:1px solid var(--rule)}
.item.tight{padding:16px 0}
hr + .item.tight{padding-top:24px}
h3{font-family:var(--serif);font-weight:var(--h3w);font-size:20px;line-height:1.3;margin:0;letter-spacing:-.006em;text-wrap:balance}
h3.sm{font-size:17px}
.org{margin:5px 0 0;font-size:13.5px;color:var(--muted)}
.co{margin:0 0 14px;font-size:13.5px;line-height:1.4;color:var(--muted)}
.co strong{color:var(--ink);font-weight:600;letter-spacing:.02em}
.pos + .pos{margin-top:26px}
/* Roles held at the same company: a hairline in the rail links each date to the next. */
.co-grp .pos{position:relative}
.co-grp .pos:not(:last-child)::after{content:"";position:absolute;left:3px;top:30px;bottom:-20px;width:1px;background:var(--rule)}
@media (max-width:760px){.co-grp .pos::after{display:none}}
.desc{margin:10px 0 0;max-width:var(--measure);font-size:15px;line-height:1.7;color:var(--body)}
ul.pts{list-style:none;margin:12px 0 0;padding:0;max-width:var(--measure);display:flex;flex-direction:column;gap:6px}
ul.pts li{position:relative;padding-left:20px;font-size:15px;line-height:1.62;color:var(--body)}
ul.pts li::before{content:"";position:absolute;left:2px;top:.8em;width:9px;height:1px;background:var(--faint)}

details.more{margin-top:14px}
details.more summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--accent);
  padding:9px 0;min-height:44px;user-select:none}
details.more summary::-webkit-details-marker{display:none}
details.more summary .chev{width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  position:relative;top:-3px;transform:rotate(45deg);transition:transform .2s,top .2s}
details.more[open] summary .chev{top:1px;transform:rotate(-135deg)}
details.more summary:hover{color:var(--ink)}
.scope{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 32px;padding:18px 0 4px;
  border-top:1px dashed var(--rule);margin-top:4px}
@media (max-width:900px){.scope{grid-template-columns:1fr;gap:20px}}
.scope h4{margin:0;font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.scope ul.pts{margin-top:10px}
.scope ul.pts li{font-size:14px;line-height:1.58}

.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 48px;padding-top:19px}
@media (max-width:760px){.grid{grid-template-columns:1fr;gap:22px}}
.grp.wide{grid-column:1/-1}
.grp p{margin:9px 0 0;font-size:15px;line-height:1.75;color:var(--body)}
.grp p.code{font-family:var(--mono);font-size:13px;line-height:1.95}
.grp .sub{display:block;margin-top:3px;font-family:var(--sans);font-size:13.5px;line-height:1.6;color:var(--muted)}

footer{margin-top:clamp(64px,9vw,96px);border-top:1px solid var(--rule);padding:22px 0 44px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}
footer span{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--faint)}
@media print{.bar,.skip,details.more summary{display:none}details.more>.scope{display:grid}}

/* Skip link: hidden until focused from the keyboard. */
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--raise);color:var(--ink);
  border:1px solid var(--rule);border-radius:4px;padding:10px 14px;font-size:14px;text-decoration:none}
.skip:focus{top:10px}
.tool{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}

/* "/" language picker and 404: shown only if the redirect script can't run. */
body.router{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.router-card{text-align:center;max-width:520px}
.router-card h1{font-size:clamp(32px,5vw,44px)}
.router-card .role{margin-top:12px}
.router-links{display:flex;gap:12px;justify-content:center;margin-top:28px}
.router-links a{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;
  color:var(--accent);border:1px solid var(--rule);border-radius:4px;padding:11px 16px;background:var(--raise)}
.router-links a:hover{border-color:var(--accent)}