/* Theta Investment · A "Çizgi". Yalnız açık tema; dolgu yok, ince çizgi, 2 px köşe, gölge yok. */
/* Source Sans 3 değişken (200–900), @fontsource-variable/source-sans-3 5.3.1, OFL. Türkçe harfler latin-ext dosyasında. */
@font-face{font-family:"Source Sans 3";src:url(/assets/fonts/SourceSans3-latin-wght.woff2) format("woff2-variations"),url(/assets/fonts/SourceSans3-latin-wght.woff2) format("woff2");font-weight:200 900;font-style:normal;font-display:swap;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 Sans 3";src:url(/assets/fonts/SourceSans3-latinext-wght.woff2) format("woff2-variations"),url(/assets/fonts/SourceSans3-latinext-wght.woff2) format("woff2");font-weight:200 900;font-style:normal;font-display:swap;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-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --bg:#ffffff; --ink:#0b1f3a; --mute:#5a6a80; --line:#d9dfe7; --acc:#3477f6;
  --c1:#3477f6; --c2:#17a991; --c3:#7658d7; --c4:#ffd500;
  --font:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;
  --gutter:32px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.5 var(--font);overflow-x:hidden}
h1,h2,h3,p,dl,dd,ul{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px;border-radius:2px}
[id]{scroll-margin-top:72px}

.in{max-width:calc(1200px + 2 * var(--gutter));margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}

/* Üst çubuk */
.site-header{position:sticky;top:0;border-bottom:1px solid var(--line);background:var(--bg);z-index:10}
.bar{display:flex;align-items:center;gap:24px;height:56px;flex:none}
.logo{margin-right:auto;display:flex;align-items:center;color:var(--ink);text-decoration:none}
.logo svg{display:block;height:34px;width:auto}
.nav{display:flex;align-items:center;gap:24px}
.nav a,.lang{font-size:14px;color:var(--mute);text-decoration:none;white-space:nowrap;padding-block:6px}
.nav a:hover,.lang:hover{color:var(--ink)}
.lang{color:var(--ink);font-weight:600}
.burger{display:none;width:44px;height:44px;margin-right:-12px;padding:0;border:0;background:none;cursor:pointer;color:var(--ink);border-radius:2px}
.burger span{display:block;width:20px;height:12px;margin:auto;border-block:2px solid currentColor;position:relative}
.burger span::after{content:"";position:absolute;left:0;right:0;top:3px;height:2px;background:currentColor}
.burger[aria-expanded="true"] span{border-color:transparent}
.burger[aria-expanded="true"] span::after{top:3px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span::before{content:"";position:absolute;left:0;right:0;top:3px;height:2px;background:currentColor;transform:rotate(-45deg)}

/* Açılış */
.hero{padding-block:72px 64px}
.hero .in{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:32px;align-items:center}
.hero .txt{grid-column:span 5}
.hero .viz{grid-column:span 7;min-width:0}
.hero .eyebrow{color:var(--acc)}
.hero h1{font-size:52px;line-height:1.05;font-weight:300;letter-spacing:-.02em;text-wrap:balance;margin-top:16px}
.lead{font-size:18px;color:var(--mute);max-width:46ch;margin-top:24px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;height:40px;padding:0 20px;font-weight:600;font-size:15px;border:1px solid var(--ink);border-radius:2px;color:var(--ink);text-decoration:none;white-space:nowrap}
.btn:hover{background:#f3f6fa}
.btn.p{background:var(--acc);border-color:var(--acc);color:#fff}
.btn.p:hover{background:#1f63e6;border-color:#1f63e6}
.mapbox{position:relative;aspect-ratio:1395/569;min-width:0}
.mapbox canvas{position:absolute;inset:0;display:block;width:100%;height:100%}

/* Bölümler: solda başlık 3 sütun, sağda içerik 9 sütun */
.sec{padding-block:64px;border-top:1px solid var(--line)}
.sec .in{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:32px}
.sec .head{grid-column:span 3}
.sec .body{grid-column:span 9;display:flex;flex-direction:column;gap:24px;min-width:0}
.sec h2{font-size:24px;font-weight:600;line-height:1.2;text-wrap:balance;margin-top:8px}
.sec h2.eyebrow{font-size:11px;line-height:1.5;margin-top:0}
.sec.mini{padding-block:32px}

/* Hizmetler */
.svc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.svc>div{border-top:3px solid var(--c1);padding:20px 24px 8px 0;min-width:0}
.svc>div:nth-child(2){border-top-color:var(--c2)}
.svc>div:nth-child(3){border-top-color:var(--c3)}
.svc h3{font-size:18px;font-weight:600;line-height:1.3}
.svc p{font-size:15px;color:var(--mute);margin-top:6px}

/* Ekip */
.cvs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
.cv{display:grid;grid-template-columns:72px 1fr;gap:16px 20px;align-content:start;border-top:1px solid var(--ink);padding-top:20px;min-width:0}
.cv .ph{width:72px;height:72px;display:grid;place-items:center;font-weight:600;font-size:22px;color:#fff;background:var(--c1);overflow:hidden}
.cv .ph img{width:100%;height:100%;object-fit:cover;display:block}
.cv:nth-child(2) .ph{background:var(--c2)}
.cv .who{align-self:center;min-width:0}
.cv h3{font-size:20px;font-weight:600;line-height:1.25}
.role{font-size:14px;color:var(--mute)}
.cv ul{grid-column:1/-1;list-style:none;padding:0;display:flex;flex-direction:column;font-size:15px}
.cv li{padding:8px 0;border-top:1px solid var(--line);min-width:0}
.cv .ext{grid-column:1/-1;justify-self:start}
.ext{font-weight:600;font-size:15px;color:var(--acc);text-decoration:none;white-space:nowrap}
.ext:hover{text-decoration:underline;text-underline-offset:3px}
.fine{font-size:13px;color:var(--mute)}

/* Bizim işimiz */
.work{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 20px;font-size:15px;color:var(--mute)}
.work .wm{font-size:22px;font-weight:600;color:var(--ink)}
.work .wm i{font-style:normal;color:var(--acc)}
.work .ext{margin-left:auto}

/* İletişim */
.contact{display:grid;grid-template-columns:120px 1fr;gap:8px 16px;font-size:16px}
.contact dt{color:var(--mute)}
.contact dd{overflow-wrap:anywhere;min-width:0;font-variant-numeric:tabular-nums}
.contact a{text-decoration:none;border-bottom:1px solid var(--line)}
.contact a:hover{border-bottom-color:var(--acc)}

/* Alt bilgi */
.site-footer{border-top:1px solid var(--line);padding-block:24px;font-size:13px;color:var(--mute)}
.site-footer .in{display:flex;gap:8px 24px;flex-wrap:wrap}
.site-footer .in>span:first-child{margin-right:auto}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:var(--ink)}

/* 900 px altı: tek sütun, menü düğmesi */
@media (max-width:900px){
  :root{--gutter:20px}
  .burger{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:56px;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:4px var(--gutter) 12px}
  .nav.open{display:flex}
  .nav a{font-size:16px;color:var(--ink);padding:12px 0;border-top:1px solid var(--line)}
  .nav a:first-child{border-top:0}
  .bar{gap:16px}
  .hero{padding-block:64px 56px}
  .hero .txt,.hero .viz{grid-column:1/-1}
  .hero h1{font-size:44px}
  .sec .head,.sec .body{grid-column:1/-1}
  .sec .in{gap:16px}
  .cvs{grid-template-columns:1fr}
  .work .ext{margin-left:0}
}
/* 520 px altı */
@media (max-width:520px){
  :root{--gutter:16px}
  .hero{padding-block:48px 40px}
  .hero h1{font-size:34px}
  .lead{font-size:16px}
  .btn{height:44px}
  .mapbox{overflow:hidden;aspect-ratio:auto;height:calc((100vw - 32px) * 1.7 * 569 / 1395)}
  .mapbox canvas{width:170%;left:-52%}
  .sec{padding-block:48px}
  .sec.mini{padding-block:32px}
  .svc{grid-template-columns:1fr}
  .svc>div{padding-bottom:16px}
  .contact{grid-template-columns:1fr;gap:0}
  .contact dd{margin-bottom:12px}
}