/* Galata Polytech — shared styles for subpages.
   Composed from the landing page design system: quiet industrial,
   dark default, light theme via html[data-theme="light"]. */

:root{
  --paper:#0d0d0f; --navy:#f3f4f6; --ink:#c9ccd1; --soft:#8b8e93; --faint:#6a6d72;
  --blue:#c9ccd1; --blue-700:#eceef0; --accent:#c9ccd1; --accent-2:#4a4d52;
  --fl:#1a1b1e; --side:#33353a; --line:#26272a; --ph:#17181a;
  --disp:"Helvetica Neue","Segoe UI Light",Arial,sans-serif;
  --sans:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --gut:clamp(18px,5vw,44px);
  --ease:cubic-bezier(.2,.75,.2,1);
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.5;letter-spacing:-.005em}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1240px;margin:0 auto;padding:0 var(--gut)}

h1,h2,h3.disp{font-family:var(--disp);font-weight:300;font-synthesis:none;-webkit-font-smoothing:antialiased;color:var(--navy)}

.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:500;font-size:15px;
  border-radius:7px;padding:12px 20px;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),background .2s,border-color .2s,color .2s}
.btn.lg{padding:14px 23px;font-size:16px}
.btn.primary{background:linear-gradient(180deg,#edeff2,#c6c9ce);color:#141518;border:1px solid #b7babf}
.btn.primary:hover{background:linear-gradient(180deg,#f7f8fa,#d3d6da);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:#e9ebee;border-color:var(--line)}
.btn.ghost:hover{border-color:#fff}
.btn svg{transition:transform .22s}.btn:hover svg{transform:translateX(4px)}

.eyebrow{font-family:var(--sans);font-weight:500;font-size:13px;letter-spacing:.02em;color:var(--blue);display:inline-flex;align-items:center}
.s-head{max-width:min(100%,920px);margin:0 auto 44px;text-align:center}
.s-head .eyebrow{margin:0 auto 12px;justify-content:center}
.s-head h2{max-width:24ch;margin-inline:auto;font-size:clamp(32px,3.55vw,46px);line-height:1.04;letter-spacing:-.035em;text-wrap:balance}
.s-head p{max-width:52ch;margin:14px auto 0;font-size:17px;line-height:1.6;color:var(--soft);text-wrap:balance}

/* ═══ HEADER ═══ */
header.site-header{position:sticky;top:0;z-index:50;background:rgba(13,13,15,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;line-height:0}
.flat-brand{width:176px;height:62px;overflow:hidden}
.flat-brand img.site-logo-flat{width:100%;height:100%;max-width:none;object-fit:cover;object-position:center;
  transform:scale(1.32);filter:brightness(0) invert(1) drop-shadow(0 0 .35px rgba(255,255,255,.9))}
.menu{display:flex;gap:28px}
.menu a{font-size:15px;color:#9a9da2;font-weight:500;transition:color .2s}
.menu a:hover,.menu a[aria-current="page"]{color:#fff}
.nav-right{display:flex;align-items:center;gap:20px}
@media(max-width:860px){.menu{display:none}}
@media(max-width:800px){.flat-brand{width:152px;height:56px}}
@media(max-width:620px){.nav-right{gap:8px}.theme-toggle{width:40px;padding:0;justify-content:center}.theme-toggle-label{display:none}}
@media(max-width:520px){.nav-right>.btn{display:none}}

.theme-toggle{height:38px;padding:0 12px;display:inline-flex;align-items:center;gap:9px;
  border:1px solid #303238;border-radius:7px;background:#15161a;color:#c4c7cd;
  font:500 13px/1 var(--sans);cursor:pointer;white-space:nowrap;
  transition:background .25s,border-color .25s,color .25s,transform .2s var(--ease)}
.theme-toggle:hover{background:#1d1f24;border-color:#555962;color:#fff}
.theme-toggle:active{transform:translateY(1px)}
.theme-toggle:focus-visible{outline:2px solid #7fa6e5;outline-offset:3px}
.theme-toggle-dot{width:13px;height:13px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(145deg,#dbe7ff 0%,#7099df 48%,#315b9e 100%);
  box-shadow:inset 0 1px 1px rgba(255,255,255,.58),0 0 0 3px rgba(112,153,223,.1)}
.lang-toggle{min-width:46px;justify-content:center}
#langLabel{font:600 12.5px/1 var(--sans);letter-spacing:.05em}

/* ═══ PAGE HERO ═══ */
.page-hero{padding:clamp(56px,8vw,100px) 0 clamp(32px,5vw,56px);background:var(--paper)}
.page-hero .eyebrow{margin-bottom:14px}
.page-hero h1{font-size:clamp(36px,5vw,64px);line-height:1.02;letter-spacing:-.04em;max-width:20ch}
.page-hero .lead{margin-top:18px;max-width:62ch;font-size:clamp(16px,1.5vw,18.5px);line-height:1.6;color:var(--soft)}

/* ═══ CONTENT BLOCKS ═══ */
.sec{padding:clamp(56px,8vw,100px) 0;border-top:1px solid var(--line)}
.sec.alt{background:#0f0f11}
.prose{max-width:760px}
.prose h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.03em;line-height:1.06;margin-bottom:16px}
.prose h3{font-family:var(--sans);font-weight:500;font-size:18px;color:var(--navy);margin:26px 0 8px}
.prose p{margin:12px 0;color:var(--ink);font-size:16px;line-height:1.7}
.prose ul{margin:12px 0 12px 20px;color:var(--ink);font-size:16px;line-height:1.7}
.prose li{margin:6px 0}
.prose strong{color:var(--navy);font-weight:500}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card-grid.two{grid-template-columns:repeat(2,1fr);max-width:960px;margin-inline:auto}
@media(max-width:860px){.card-grid,.card-grid.two{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:12px;background:var(--fl);padding:clamp(24px,3vw,34px);display:flex;flex-direction:column;transition:transform .3s var(--ease),border-color .3s}
.card:hover{transform:translateY(-4px);border-color:var(--soft)}
.card .badge-star{display:inline-flex;align-self:flex-start;font-weight:500;font-size:12px;color:var(--paper);background:var(--navy);border-radius:5px;padding:5px 10px;margin-bottom:14px}
.card h3{font-family:var(--disp);font-weight:400;color:var(--navy);font-size:clamp(20px,2vw,25px);letter-spacing:-.02em}
.card p{margin-top:10px;color:var(--soft);font-size:14.5px;line-height:1.6}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chips span{font-weight:500;font-size:11.5px;color:var(--navy);border:1px solid var(--line);border-radius:5px;padding:6px 10px}

.media-split{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
@media(max-width:860px){.media-split{grid-template-columns:1fr;gap:28px}}
.media-split .shot{aspect-ratio:3/2;border-radius:14px;overflow:hidden;background:var(--ph);box-shadow:0 30px 70px -44px rgba(0,0,0,.45)}
.media-split .shot img{width:100%;height:100%;object-fit:cover;display:block}

/* ═══ COMPARISON TABLE ═══ */
.tbl-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
table.cmp{width:100%;min-width:680px;border-collapse:collapse;font-size:14.5px;line-height:1.55}
.cmp th,.cmp td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.cmp thead th{font-weight:500;color:var(--navy);background:var(--fl);font-size:13.5px;letter-spacing:.02em}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp td:first-child{color:var(--navy);font-weight:500;white-space:nowrap}
.cmp td{color:var(--ink)}
.cmp .adv{color:var(--navy)}

/* two-column advantage lists */
.adv-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:760px){.adv-cols{grid-template-columns:1fr}}
.adv-box{border:1px solid var(--line);border-radius:12px;background:var(--fl);padding:clamp(22px,3vw,30px)}
.adv-box h3{font-family:var(--sans);font-weight:500;font-size:16px;color:var(--navy);margin-bottom:12px}
.adv-box ul{list-style:none}
.adv-box li{position:relative;padding-left:22px;margin:10px 0;font-size:14.5px;line-height:1.6;color:var(--ink)}
.adv-box li::before{content:"—";position:absolute;left:0;color:var(--faint)}

/* CTA band */
.cta-band{padding:clamp(56px,8vw,96px) 0;border-top:1px solid var(--line);background:#0f0f11;text-align:center}
.cta-band h2{font-size:clamp(28px,3.4vw,44px);letter-spacing:-.035em;max-width:26ch;margin:0 auto}
.cta-band p{margin:14px auto 26px;color:var(--soft);max-width:52ch;font-size:16.5px}

/* ═══ FOOTER ═══ */
.site-footer{background:#0a0a0c;color:#d0d0d0;position:relative;z-index:1;padding:clamp(56px,8vw,88px) 0 28px}
.site-footer .fwrap{max-width:1240px;margin:0 auto;padding:0 var(--gut)}
.f-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:clamp(28px,4vw,48px)}
@media(max-width:860px){.f-top{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.f-top{grid-template-columns:1fr}}
.f-brand .wm{font-weight:500;font-size:22px;color:#fff;letter-spacing:-.02em}
.f-brand .wm b{color:#b8bcc2}
.f-brand p{margin:14px 0 0;color:#aaa;font-size:14.5px;line-height:1.6;max-width:32ch}
.f-contact{margin-top:20px;display:flex;flex-direction:column;gap:7px;font-size:14px;color:#bbb}
.f-contact a{color:#bbb;transition:.2s}.f-contact a:hover{color:#fff}
.f-cta{margin-top:22px}
.f-col h4{color:#fff;font-size:12.5px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
.f-col a{display:block;color:#bbb;font-size:14px;padding:7px 0;transition:.2s}
.f-col a:hover{color:#fff}
.f-bottom{margin-top:clamp(40px,6vw,64px);padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:#999}
.f-badges{display:flex;gap:14px;flex-wrap:wrap;color:#999;font-size:12px;letter-spacing:.04em}
.f-social{display:flex;gap:10px}
.f-social a{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.16);color:#d0d0d0;transition:.2s}
.f-social a:hover{border-color:#b8bcc2;color:#fff;transform:translateY(-2px)}
.f-social svg{width:17px;height:17px}
.f-legal a{color:#999;margin-left:16px;transition:.2s}.f-legal a:hover{color:#fff}

body,header.site-header,.sec,.cta-band,.site-footer{transition:background-color .42s var(--ease),color .32s ease,border-color .32s ease}

/* ═══ LIGHT THEME ═══ */
html[data-theme="light"]{
  color-scheme:light;
  --paper:#fff; --navy:#101318; --ink:#20242b; --soft:#626976; --faint:#9299a5;
  --blue:#2d63b8; --blue-700:#1e4c96; --accent:#2d63b8; --accent-2:#86a9e8;
  --fl:#edf3ff; --side:#cbd9ef; --line:#e1e5eb; --ph:#f2f4f7;
}
html[data-theme="light"] body{background:#fff;color:var(--ink)}
html[data-theme="light"] header.site-header{background:rgba(255,255,255,.88);border-bottom-color:#e4e7ec}
html[data-theme="light"] .flat-brand img.site-logo-flat{filter:brightness(0) drop-shadow(0 0 .3px rgba(0,0,0,.72))}
html[data-theme="light"] .menu a{color:#626976}
html[data-theme="light"] .menu a:hover,html[data-theme="light"] .menu a[aria-current="page"]{color:#101318}
html[data-theme="light"] .theme-toggle{background:#f5f7fa;border-color:#dce1e8;color:#29313e}
html[data-theme="light"] .theme-toggle:hover{background:#edf2fa;border-color:#b9c8df;color:#101318}
html[data-theme="light"] .theme-toggle-dot{background:linear-gradient(145deg,#fff 0%,#d9e6fb 48%,#7da3df 100%);box-shadow:inset 0 1px 1px #fff,0 0 0 3px rgba(45,99,184,.1)}
html[data-theme="light"] .btn.primary{background:linear-gradient(180deg,#222831,#101318);color:#fff;border-color:#101318}
html[data-theme="light"] .btn.primary:hover{background:linear-gradient(180deg,#303845,#171b22)}
html[data-theme="light"] .btn.ghost{color:#101318;border-color:#cbd2dc;background:rgba(255,255,255,.68)}
html[data-theme="light"] .btn.ghost:hover{border-color:#101318}
html[data-theme="light"] .sec.alt,html[data-theme="light"] .cta-band{background:#f5f7fa}
html[data-theme="light"] .card,html[data-theme="light"] .adv-box{background:#fff;border-color:#e1e5eb}
html[data-theme="light"] .card:hover{border-color:#7fa6e5}
html[data-theme="light"] .cmp thead th{background:#f5f7fa}
html[data-theme="light"] .site-footer{background:#fff;color:#5f6672;border-top:1px solid #e1e5eb}
html[data-theme="light"] .f-brand .wm,html[data-theme="light"] .f-col h4{color:#15191f}
html[data-theme="light"] .f-brand .wm b{color:#416fb8}
html[data-theme="light"] .f-brand p,html[data-theme="light"] .f-contact,
html[data-theme="light"] .f-contact a,html[data-theme="light"] .f-col a{color:#68707c}
html[data-theme="light"] .f-contact a:hover,html[data-theme="light"] .f-col a:hover{color:#1f4f9d}
html[data-theme="light"] .f-bottom{border-top-color:#e1e5eb;color:#858c97}
html[data-theme="light"] .f-social a{border-color:#d8dee7;color:#596273}
html[data-theme="light"] .f-social a:hover{border-color:#7fa6e5;color:#1f4f9d}
html[data-theme="light"] .f-legal a{color:#858c97}
html[data-theme="light"] .f-legal a:hover{color:#1f4f9d}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{transform:none;transition:opacity .2s ease}}