:root{--ink:#0d1b2a;--bg:#eef2f4;--paper:#fff;--sig:#0a8f86;--sig-l:#5fe0d3;--mute:#4b5b6b;--line:#cfd8de;--r:6px}
@media (prefers-color-scheme:dark){:root{--bg:#0a141f;--paper:#101e2c;--ink:#e8eef2;--mute:#9fb0bf;--line:#243547;--sig:#4fd6c9}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .6em}
h1{font-size:clamp(2.1rem,5vw,3.6rem);max-width:15em}h2{font-size:clamp(1.6rem,3vw,2.2rem)}h3{font-size:1.1rem}
p{margin:0 0 1em;max-width:62ch}a{color:inherit}
:focus-visible{outline:3px solid var(--sig);outline-offset:3px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--paper);padding:8px;z-index:9}
.top{display:flex;justify-content:space-between;align-items:center;padding:16px clamp(18px,5vw,64px);position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--line);z-index:5}
.brand{display:flex;gap:10px;align-items:center;font-weight:700;font-size:1.2rem;text-decoration:none;color:var(--sig)}
.brand{color:var(--ink)}.brand svg{color:var(--sig)}
nav{display:flex;gap:22px;align-items:center}nav a{text-decoration:none;font-size:.95rem}nav a:hover{color:var(--sig)}
.btn{display:inline-block;background:var(--ink);color:var(--bg);padding:13px 22px;border-radius:var(--r);text-decoration:none;font-weight:600;border:0;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{background:var(--sig);color:#fff}.btn.small{padding:8px 16px;font-size:.9rem}
nav .btn,nav .btn:hover{color:var(--bg)}nav .btn:hover{color:#fff}
.link{font-weight:600;text-underline-offset:4px}
.actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-top:1.6em}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:clamp(40px,8vw,96px) clamp(18px,5vw,64px)}
.pattern{margin:0}.pattern svg{width:100%;height:auto;display:block}.pattern figcaption{font-size:.85rem;color:var(--mute);margin-top:8px}
.rings circle{fill:none;stroke:var(--line);stroke-width:1}.rings line{stroke:var(--line);stroke-width:1}
.lobe{fill:color-mix(in srgb,var(--sig) 22%,transparent);stroke:var(--sig);stroke-width:2.5;stroke-linejoin:round}
.dot{fill:var(--ink)}
.block{padding:clamp(48px,7vw,88px) clamp(18px,5vw,64px)}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:28px}
.three{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.three li{padding:24px 24px 8px 0}.three li+li{padding-left:24px;border-left:1px solid var(--line)}
.dark{background:#0d1b2a;color:#e8eef2}.dark dd{color:#a9bac8}.dark dt{color:#5fe0d3}
.areas{display:grid;grid-template-columns:1fr 1fr;gap:28px 48px;margin:0}
.areas dt{font-weight:700;font-size:1.1rem;margin-bottom:6px}.areas dd{margin:0}
.steps{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.steps li{counter-increment:s;border-top:3px solid var(--sig);padding-top:14px}
.steps li::before{content:counter(s);font-weight:700;color:var(--sig)}
.steps strong{display:block;font-size:1.1rem}.steps span{color:var(--mute);font-size:.95rem}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:48px;background:var(--paper);border-top:1px solid var(--line)}
form label{display:block;font-weight:600;font-size:.92rem;margin-bottom:16px}
input,textarea{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);color:var(--ink);font:inherit}
.hp{position:absolute;left:-9999px}
#durum{min-height:1.5em;font-weight:600;color:var(--sig)}
footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:24px clamp(18px,5vw,64px);font-size:.9rem;color:var(--mute);border-top:1px solid var(--line)}
@media(max-width:860px){.hero,.cols,.contact,.areas{grid-template-columns:1fr}.three,.steps{grid-template-columns:1fr 1fr}.three li+li{border-left:0;padding-left:0}nav a:not(.btn){display:none}}
@media(max-width:520px){.three,.steps{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.banner{width:100%;height:auto;display:block;border-radius:var(--r);margin:0 0 36px}.areas img{width:100%;height:auto;display:block;border-radius:var(--r);margin-bottom:14px}
.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bands{margin:24px 0}.bands h3{color:var(--sig)}
.three.four{grid-template-columns:repeat(4,1fr)}.three.four li{padding-right:18px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gallery figure{margin:0}.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);display:block;background:#13263a}
.gallery figcaption{font-size:.9rem;color:#a9bac8;margin-top:8px}
.faq{max-width:760px}.faq details{border-top:1px solid var(--line);padding:14px 0}.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600}.faq p{margin:10px 0 0;color:var(--mute)}
@media(max-width:860px){.three.four{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:1fr}}
@media(max-width:520px){.three.four{grid-template-columns:1fr}}