/* ═══════════════════════════════════════════════════════════
   Berat Samlı — portfolio

   Two faces doing two jobs: Instrument Sans carries everything
   you read, JetBrains Mono carries everything the machine would
   have printed — labels, dates, keys. Colour is almost absent;
   the page is built out of contrast, space, and motion.
   ═══════════════════════════════════════════════════════════ */

/* ── fonts ─────────────────────────────────────────────── */
@font-face{font-family:"Instrument Sans";font-style:normal;font-weight:400;font-display:swap;src:url("assets/fonts/isans-latin-ext-400.woff2") format("woff2");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:"Instrument Sans";font-style:normal;font-weight:400;font-display:swap;src:url("assets/fonts/isans-latin-400.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:"Instrument Sans";font-style:normal;font-weight:500;font-display:swap;src:url("assets/fonts/isans-latin-ext-500.woff2") format("woff2");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:"Instrument Sans";font-style:normal;font-weight:500;font-display:swap;src:url("assets/fonts/isans-latin-500.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:"Instrument Sans";font-style:normal;font-weight:600;font-display:swap;src:url("assets/fonts/isans-latin-ext-600.woff2") format("woff2");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:"Instrument Sans";font-style:normal;font-weight:600;font-display:swap;src:url("assets/fonts/isans-latin-600.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:"Instrument Sans";font-style:normal;font-weight:700;font-display:swap;src:url("assets/fonts/isans-latin-ext-700.woff2") format("woff2");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:"Instrument Sans";font-style:normal;font-weight:700;font-display:swap;src:url("assets/fonts/isans-latin-700.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:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;src:url("assets/fonts/jbmono-latin-ext-400.woff2") format("woff2");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:400;font-display:swap;src:url("assets/fonts/jbmono-latin-400.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:"JetBrains Mono";font-style:normal;font-weight:500;font-display:swap;src:url("assets/fonts/jbmono-latin-ext-500.woff2") format("woff2");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:500;font-display:swap;src:url("assets/fonts/jbmono-latin-500.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}

/* ── tokens ────────────────────────────────────────────── */
:root{
  --bg:#09090B;
  --bg-1:#0E0E11;
  --bg-2:#141418;
  --line:#1F1F24;
  --line-2:#2D2D34;
  --fg:#FAFAFA;
  --fg-2:#A3A3AD;
  --fg-3:#70707B;
  --accent:#7AA2FF;
  --accent-soft:rgba(122,162,255,.11);
  --accent-edge:rgba(122,162,255,.38);
  --veil:rgba(9,9,11,.72);

  --sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --shell:72rem;
  --pad:clamp(1.25rem,5vw,2.5rem);
  --bar-h:4rem;

  --out:cubic-bezier(.16,1,.3,1);
  --io:cubic-bezier(.65,0,.35,1);
}

:root[data-theme="light"]{
  --bg:#FFFFFF;
  --bg-1:#FAFAFA;
  --bg-2:#F4F4F5;
  --line:#E7E7EA;
  --line-2:#D2D2D8;
  --fg:#09090B;
  --fg-2:#52525B;
  --fg-3:#8A8A93;
  --accent:#2C58D0;
  --accent-soft:rgba(44,88,208,.08);
  --accent-edge:rgba(44,88,208,.34);
  --veil:rgba(255,255,255,.76);
}

/* ── reset ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{list-style:none;padding:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit}

body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--sans);
  font-size:1rem;
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}

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

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

.skip{position:absolute;left:-9999px;top:0;z-index:200;padding:.75rem 1rem;background:var(--fg);color:var(--bg);font-weight:600}
.skip:focus{left:0}

/* width:100% matters: as a flex item, the auto inline margins below would
   otherwise cancel stretch and shrink the box to its content. */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad)}
.mono{font-family:var(--mono);font-weight:400;font-feature-settings:"ss01"}
.dim{color:var(--fg-3)}

/* ── opening ───────────────────────────────────────────── */
/* Full-bleed so the closing shutter spans the viewport, with the
   content on the same grid as the rest of the page. */
.intro{
  position:fixed;inset:0;z-index:150;
  background:var(--bg);
  display:flex;align-items:center;
  clip-path:inset(0 0 0 0);
  will-change:clip-path;
}
.no-intro .intro{display:none}
.intro__in{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad)}

.intro__tag{
  font-family:var(--mono);
  font-size:.8125rem;letter-spacing:.14em;
  color:var(--fg-3);
  margin-bottom:1.5rem;
  opacity:0;
}
.intro__line{
  font-size:clamp(3rem,13vw,9.5rem);
  font-weight:600;letter-spacing:-.05em;line-height:.98;
  overflow:hidden;
}
.intro__word{display:inline-block}
.intro__word i{display:inline-block;font-style:normal;transform:translateY(110%)}
.intro__rule{
  display:block;height:1px;background:var(--line-2);
  margin-top:2.25rem;
  transform:scaleX(0);transform-origin:left;
}

.js .intro.is-playing .intro__tag{animation:fadeIn .5s var(--out) .05s forwards}
.js .intro.is-playing .intro__word i{
  animation:up .85s var(--out) forwards;
  animation-delay:calc(.12s + var(--i) * .035s);
}
.js .intro.is-playing .intro__rule{animation:ruleIn .9s var(--out) .5s forwards}

/* Exit: the cover closes to a line while the name pushes past the camera. */
.intro.is-leaving{
  clip-path:inset(50% 0 50% 0);
  transition:clip-path .9s cubic-bezier(.76,0,.24,1);
}
.intro.is-leaving .intro__in{
  transform:scale(1.08);opacity:0;
  transition:transform .9s var(--out),opacity .45s linear;
}

@keyframes fadeIn{to{opacity:1}}
@keyframes up{to{transform:translateY(0)}}
@keyframes ruleIn{to{transform:scaleX(1)}}

/* The page sits slightly back behind the cover, then settles. */
.js .page-hold{opacity:0}
.js .page-settle{animation:settle .9s var(--out) forwards}
@keyframes settle{from{opacity:0;transform:scale(.985)}to{opacity:1;transform:none}}

/* ── header ────────────────────────────────────────────── */
.bar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--bar-h);
  display:flex;align-items:center;
  background:transparent;
  transition:background .3s var(--io),border-color .3s var(--io);
  border-bottom:1px solid transparent;
}
.bar.is-stuck{
  background:var(--veil);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom-color:var(--line);
}
.bar__in{display:flex;align-items:center;gap:2rem;width:100%}

.bar__id{
  text-decoration:none;font-weight:600;font-size:.9375rem;letter-spacing:-.015em;
  white-space:nowrap;
}

.bar__nav{display:flex;gap:1.75rem;margin-left:auto;font-size:.875rem}
.bar__nav a{
  position:relative;text-decoration:none;color:var(--fg-2);
  transition:color .18s var(--io);
}
.bar__nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-.3rem;height:1.5px;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--out);
}
.bar__nav a:hover{color:var(--fg)}
.bar__nav a.is-here{color:var(--fg)}
.bar__nav a:hover::after,.bar__nav a.is-here::after{transform:scaleX(1)}

.bar__tools{display:flex;align-items:center;gap:.75rem}

.lang{display:flex;align-items:center;font-family:var(--mono);font-size:.6875rem;letter-spacing:.08em;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang__btn{padding:.3rem .6rem;color:var(--fg-3);transition:color .18s var(--io),background .18s var(--io)}
.lang__btn:hover{color:var(--fg-2)}
.lang__btn.is-on{color:var(--bg);background:var(--fg)}

.theme{
  width:2rem;height:2rem;border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  transition:border-color .18s var(--io);
}
.theme:hover{border-color:var(--line-2)}
.theme__glyph{
  width:.8125rem;height:.8125rem;border-radius:50%;
  border:1.5px solid var(--fg-2);
  background:linear-gradient(90deg,var(--fg-2) 50%,transparent 50%);
}

/* ── hero ──────────────────────────────────────────────── */
.hero{
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  position:relative;
  padding-top:var(--bar-h);
}
.hero__in{
  transform:translateY(calc(var(--p,0) * -4rem));
  opacity:calc(1 - var(--p,0) * 1.15);
  will-change:transform,opacity;
}

.hero__name{
  font-size:clamp(3rem,12vw,9rem);
  font-weight:600;letter-spacing:-.05em;line-height:.9;
  margin-bottom:1.75rem;
}
.hero__role{
  display:flex;align-items:center;gap:1rem;flex-wrap:wrap;
  font-size:clamp(1rem,2.4vw,1.375rem);
  font-weight:500;letter-spacing:-.02em;
}
.sep{width:2rem;height:1px;background:var(--line-2)}

.hero__more{
  position:absolute;left:50%;bottom:2.5rem;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.6rem;
  text-decoration:none;
  font-size:.6875rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--fg-3);
  opacity:calc(1 - var(--p,0) * 2.4);
  transition:color .18s var(--io);
}
.hero__more:hover{color:var(--fg-2)}
.hero__arrow{
  width:1px;height:2.25rem;background:linear-gradient(var(--line-2),transparent);
  position:relative;overflow:hidden;
}
.hero__arrow::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(var(--fg-2),transparent);
  animation:drop 2.2s var(--io) infinite;
}
@keyframes drop{0%{transform:translateY(-100%)}60%,100%{transform:translateY(100%)}}

/* ── statement: the line reads itself as you scroll ────── */
.statement{height:260vh;position:relative}
.statement__pin{
  position:sticky;top:0;height:100svh;
  display:flex;align-items:center;
  max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad);
}
.statement__text{
  font-size:clamp(1.5rem,4.2vw,3.25rem);
  font-weight:500;letter-spacing:-.03em;line-height:1.3;
  max-width:20ch;
  text-wrap:balance;
}
.statement__text w{
  display:inline-block;
  color:var(--fg-3);
  opacity:.32;
  transition:opacity .35s var(--io),color .35s var(--io);
}
.statement__text w.on{color:var(--fg);opacity:1}

/* ── sections ──────────────────────────────────────────── */
.sec{padding-block:clamp(6rem,14vh,11rem);position:relative}
.sec--alt{background:var(--bg-1);border-block:1px solid var(--line)}
.sec--end{padding-bottom:clamp(5rem,10vh,8rem)}

.sec__head{margin-bottom:clamp(2.5rem,6vh,4rem);max-width:30ch}
.sec__title{
  font-size:clamp(1.75rem,4.2vw,2.75rem);
  font-weight:600;letter-spacing:-.035em;line-height:1.12;
  text-wrap:balance;
}

/* ── work ──────────────────────────────────────────────── */
.jobs{display:flex;flex-direction:column;gap:clamp(3.5rem,8vh,6rem)}
.job{
  display:grid;
  grid-template-columns:15rem minmax(0,1fr);
  gap:2.5rem;
}
.job__aside{position:sticky;top:calc(var(--bar-h) + 2rem);align-self:start}
.job__org{font-size:1.375rem;font-weight:600;letter-spacing:-.03em;margin-bottom:.625rem}
.job__meta{font-size:.75rem;line-height:1.9;color:var(--fg-2);font-variant-numeric:tabular-nums}

.job__list{display:flex;flex-direction:column;gap:1.5rem;max-width:58ch}
.job__list li{
  color:var(--fg-2);
  padding-left:1.5rem;position:relative;
}
.job__list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:.4rem;height:1px;background:var(--line-2);
}

.edu{
  margin-top:clamp(4rem,9vh,6rem);
  padding-top:2rem;border-top:1px solid var(--line);
  display:flex;flex-direction:column;
}
.edu li{
  display:grid;grid-template-columns:15rem minmax(0,1fr) auto;
  gap:.25rem 2.5rem;align-items:baseline;
  padding-block:1.125rem;border-bottom:1px solid var(--line);
}
.edu__org{font-weight:600;letter-spacing:-.02em}
.edu__what{color:var(--fg-2);font-size:.9375rem}
.edu__when{font-size:.75rem;color:var(--fg-3);white-space:nowrap;font-variant-numeric:tabular-nums}

/* ── cards ─────────────────────────────────────────────── */
.cards{display:flex;flex-direction:column;gap:1rem}
.card{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:1rem;
  padding:clamp(1.5rem,3.5vw,2.75rem);
  transform:translateY(calc((1 - var(--v,1)) * 2.5rem));
  opacity:var(--v,1);
  transition:border-color .3s var(--io);
  will-change:transform,opacity;
}
.card:hover{border-color:var(--line-2)}
.card__kind{font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3);margin-bottom:1rem}
.card__name{font-size:clamp(1.375rem,3vw,1.875rem);font-weight:600;letter-spacing:-.035em;margin-bottom:1rem}
.card__desc{color:var(--fg-2);max-width:62ch;margin-bottom:1.75rem}

/* ── tags ──────────────────────────────────────────────── */
.tags{display:flex;flex-wrap:wrap;gap:.4rem}
.tags li{
  font-family:var(--mono);font-size:.75rem;
  color:var(--fg-2);
  padding:.25rem .625rem;
  border:1px solid var(--line);border-radius:999px;
  transition:color .18s var(--io),border-color .18s var(--io);
}
.tags li:hover{color:var(--fg);border-color:var(--line-2)}

/* ── stack ─────────────────────────────────────────────── */
.stack{display:flex;flex-direction:column}
.stack__row{
  display:grid;grid-template-columns:15rem minmax(0,1fr);
  gap:1rem 2.5rem;
  padding-block:1.5rem;border-top:1px solid var(--line);
}
.stack__row:last-child{border-bottom:1px solid var(--line)}
.stack__row dt{
  font-size:.8125rem;letter-spacing:.04em;
  color:var(--fg-3);padding-top:.15rem;
}
.stack__row dd{margin:0}

/* ── contact ───────────────────────────────────────────── */
.links{display:flex;flex-direction:column}
.links li{
  display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;
  padding-block:1.375rem;border-top:1px solid var(--line);
}
.links li:last-child{border-bottom:1px solid var(--line)}
.links__k{
  flex:0 0 7rem;
  font-size:.75rem;letter-spacing:.06em;color:var(--fg-3);
}
.link{
  position:relative;text-decoration:none;
  font-size:clamp(1rem,2.2vw,1.25rem);font-weight:500;letter-spacing:-.02em;
  transition:color .18s var(--io);
}
.link::after{
  content:"";position:absolute;left:0;right:0;bottom:-.15rem;height:1.5px;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--out);
}
.link:hover{color:var(--accent)}
.link:hover::after{transform:scaleX(1)}

.copy{
  margin-left:auto;
  font-size:.6875rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--fg-3);
  padding:.35rem .75rem;border:1px solid var(--line);border-radius:999px;
  transition:color .18s var(--io),border-color .18s var(--io);
}
.copy:hover{color:var(--fg-2);border-color:var(--line-2)}
.copy.is-done{color:var(--accent);border-color:var(--accent-edge)}

/* ── footer ────────────────────────────────────────────── */
.foot{border-top:1px solid var(--line);padding-block:2.5rem}
.foot__in{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;font-size:.75rem;color:var(--fg-2)}

/* ── scroll reveals ────────────────────────────────────── */
.js .rise{opacity:0;transform:translateY(1.25rem)}
.js .rise.in{
  opacity:1;transform:none;
  transition:opacity .7s var(--out),transform .7s var(--out);
  transition-delay:var(--d,0ms);
}

/* ── responsive ────────────────────────────────────────── */
@media (max-width:62rem){
  .job{grid-template-columns:minmax(0,1fr);gap:1.5rem}
  .job__aside{position:static}
  .stack__row{grid-template-columns:minmax(0,1fr);gap:.875rem}
  .stack__row dt{padding-top:0}
  .edu li{grid-template-columns:minmax(0,1fr) auto;gap:.25rem 1.5rem}
  .edu__what{grid-column:1}
  .edu__when{grid-row:1 / span 2;grid-column:2}
}

@media (max-width:46rem){
  :root{--bar-h:3.5rem}
  .bar__in{gap:1rem}
  .bar__nav{display:none}
  .bar__tools{margin-left:auto}
  .statement{height:220vh}
  .statement__text{max-width:none}
  .links__k{flex:0 0 100%}
  .copy{margin-left:0}
  .edu li{grid-template-columns:minmax(0,1fr)}
  .edu__when{grid-row:auto;grid-column:1}
}

/* ── reduced motion ────────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js .rise{opacity:1;transform:none}
  .hero__in{transform:none;opacity:1}
  .statement{height:auto}
  .statement__pin{position:static;height:auto;padding-block:6rem}
  .statement__text w{color:var(--fg);opacity:1}
  .card{transform:none;opacity:1}
}

@media print{
  .bar,.intro,.hero__more,.foot,.copy{display:none}
  body{background:#fff;color:#000}
  .statement{height:auto}
  .statement__pin{position:static;height:auto}
  .statement__text w{color:#000;opacity:1}
  .sec{padding-block:1.5rem;break-inside:avoid}
  .js .rise{opacity:1;transform:none}
  .card{transform:none;opacity:1;break-inside:avoid}
}