:root{
  --lacivert:#0f2350;--lacivert-koyu:#091737;--lacivert-acik:#1b3a7a;
  --altin:#c9a227;--altin-acik:#e3c35a;
  --sut:#f7f8fb;--beyaz:#fff;--gri:#5b6478;--gri-acik:#e6e9f0;--koyu:#141a2b;
  --radius:16px;--golge:0 10px 30px rgba(15,35,80,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--koyu);background:var(--beyaz);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.kap{width:min(1180px,100% - 40px);margin-inline:auto}
h1,h2,h3{line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);color:var(--lacivert)}
.ust-yazi{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--altin);margin-bottom:.6rem}
.alt-yazi{color:var(--gri);max-width:640px;font-size:1.05rem}
section{padding:88px 0}
@media(max-width:700px){section{padding:60px 0}}

/* üst çubuk */
.bilgi-cubuk{background:var(--lacivert-koyu);color:#cdd6ea;font-size:.85rem}
.bilgi-cubuk .kap{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
.bilgi-cubuk a:hover{color:#fff}
header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--gri-acik)}
header.nav .kap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:20px}
.logo img{height:52px;width:auto}
nav.menu{display:flex;gap:28px;font-weight:600;font-size:.95rem}
nav.menu a{padding:6px 0;border-bottom:2px solid transparent}
nav.menu a:hover,nav.menu a.aktif{border-color:var(--altin);color:var(--lacivert)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;font-weight:700;font-size:.95rem;border:2px solid transparent;transition:.2s;cursor:pointer}
.btn-altin{background:var(--altin);color:var(--lacivert-koyu)}
.btn-altin:hover{background:var(--altin-acik)}
.btn-lacivert{background:var(--lacivert);color:#fff}
.btn-lacivert:hover{background:var(--lacivert-acik)}
.btn-cerceve{border-color:#fff;color:#fff}
.btn-cerceve:hover{background:#fff;color:var(--lacivert)}
.btn-wa{background:#25d366;color:#fff}
.btn-wa:hover{background:#1ebe5b}
.hamburger{display:none;background:none;border:0;font-size:1.7rem;color:var(--lacivert);cursor:pointer}
@media(max-width:900px){
  nav.menu{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 20px 20px;border-bottom:1px solid var(--gri-acik);box-shadow:var(--golge)}
  nav.menu.acik{display:flex}
  nav.menu a{padding:12px 0;border-bottom:1px solid var(--gri-acik)}
  .hamburger{display:block}
  .nav-btn{display:none}
}

/* hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--lacivert-koyu)}
.hero img.arka{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,23,55,.92) 0%,rgba(9,23,55,.65) 55%,rgba(9,23,55,.25) 100%)}
.hero .kap{position:relative;z-index:1;padding:110px 0 90px}
.hero h1{font-size:clamp(2.2rem,5vw,4rem);max-width:760px;margin:14px 0 20px}
.hero h1 span{color:var(--altin-acik)}
.hero p{font-size:1.15rem;max-width:600px;color:#dbe2f2;margin-bottom:34px}
.hero .butonlar{display:flex;gap:14px;flex-wrap:wrap}
.rozetler{display:flex;gap:28px;flex-wrap:wrap;margin-top:56px;padding-top:28px;border-top:1px solid rgba(255,255,255,.18)}
.rozet strong{display:block;font-size:1.6rem;color:var(--altin-acik)}
.rozet span{font-size:.9rem;color:#c7d0e6}

/* ürün grupları */
.sut{background:var(--sut)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px}
@media(max-width:900px){.grid3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid3,.grid2{grid-template-columns:1fr}}
.kart{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--golge);display:flex;flex-direction:column;transition:transform .25s}
.kart:hover{transform:translateY(-6px)}
.kart img{aspect-ratio:4/3;object-fit:cover;width:100%}
.kart .ic{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.kart h3{font-size:1.2rem;color:var(--lacivert)}
.kart p{color:var(--gri);font-size:.97rem}
.kart ul{padding-left:18px;color:var(--gri);font-size:.93rem}
.kart .link{margin-top:auto;font-weight:700;color:var(--altin);padding-top:8px}
.kart .link:hover{color:var(--lacivert)}
.ikon{width:56px;height:56px;border-radius:14px;background:var(--lacivert);color:var(--altin-acik);display:grid;place-items:center;font-size:1.6rem;margin-bottom:6px}

/* neden biz */
.neden{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;margin-top:20px}
@media(max-width:900px){.neden{grid-template-columns:1fr}}
.neden img{border-radius:var(--radius);box-shadow:var(--golge);aspect-ratio:4/3;object-fit:cover}
.ozellik{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--gri-acik)}
.ozellik:last-child{border:0}
.ozellik .n{flex:none;width:44px;height:44px;border-radius:12px;background:var(--sut);color:var(--lacivert);font-weight:800;display:grid;place-items:center}
.ozellik h3{font-size:1.05rem;color:var(--lacivert);margin-bottom:4px}
.ozellik p{color:var(--gri);font-size:.95rem}

/* süreç */
.adimlar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
@media(max-width:900px){.adimlar{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.adimlar{grid-template-columns:1fr}}
.adim{background:#fff;border:1px solid var(--gri-acik);border-radius:var(--radius);padding:26px 22px}
.adim .no{font-size:2.2rem;font-weight:800;color:var(--altin);line-height:1}
.adim h3{font-size:1.05rem;color:var(--lacivert);margin:10px 0 6px}
.adim p{color:var(--gri);font-size:.93rem}

/* koyu şerit */
.serit{background:var(--lacivert);color:#fff;position:relative;overflow:hidden}
.serit img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.18}
.serit .kap{position:relative;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
@media(max-width:900px){.serit .kap{grid-template-columns:1fr}}
.serit h2{color:#fff}
.serit p{color:#d5dcee;margin:12px 0 24px;max-width:560px}
.serit .kutu{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:26px}
.serit .kutu li{list-style:none;padding:10px 0 10px 30px;position:relative;border-bottom:1px solid rgba(255,255,255,.12)}
.serit .kutu li:last-child{border:0}
.serit .kutu li::before{content:"✓";position:absolute;left:0;color:var(--altin-acik);font-weight:800}

/* sss */
.sss{max-width:820px;margin:40px auto 0}
details{background:#fff;border:1px solid var(--gri-acik);border-radius:12px;margin-bottom:12px;padding:0 22px}
summary{cursor:pointer;font-weight:700;color:var(--lacivert);padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";color:var(--altin);font-size:1.4rem;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--gri);padding:0 0 18px}

/* iletişim */
.iletisim{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;margin-top:40px;align-items:start}
@media(max-width:900px){.iletisim{grid-template-columns:1fr}}
.bilgi-liste div{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--gri-acik)}
.bilgi-liste div:last-child{border:0}
.bilgi-liste .i{width:42px;height:42px;border-radius:10px;background:var(--sut);display:grid;place-items:center;flex:none;font-size:1.2rem}
.bilgi-liste strong{display:block;color:var(--lacivert);font-size:.9rem}
.bilgi-liste a{color:var(--gri)}
.bilgi-liste a:hover{color:var(--lacivert)}
form.teklif{background:#fff;border-radius:var(--radius);box-shadow:var(--golge);padding:30px}
form.teklif h3{color:var(--lacivert);margin-bottom:6px}
form.teklif .not{color:var(--gri);font-size:.9rem;margin-bottom:18px}
.alan{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.alan label{font-size:.85rem;font-weight:700;color:var(--lacivert)}
.alan input,.alan select,.alan textarea{font:inherit;padding:12px 14px;border:1px solid var(--gri-acik);border-radius:10px;background:var(--sut)}
.alan input:focus,.alan select:focus,.alan textarea:focus{outline:2px solid var(--altin);border-color:transparent;background:#fff}
.satir{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){.satir{grid-template-columns:1fr}}

/* footer */
footer{background:var(--lacivert-koyu);color:#aab5cf;padding:56px 0 24px;font-size:.93rem}
footer .kap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
@media(max-width:900px){footer .kap{grid-template-columns:1fr 1fr}}
@media(max-width:520px){footer .kap{grid-template-columns:1fr}}
footer h4{color:#fff;margin-bottom:14px;font-size:1rem}
footer li{list-style:none;padding:5px 0}
footer a:hover{color:#fff}
footer .logo-kutu{background:#fff;border-radius:12px;padding:10px 14px;display:inline-block;margin-bottom:14px}
footer .logo-kutu img{height:44px}
.alt{width:min(1180px,100% - 40px);margin:40px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;color:#7f8aa8}

/* whatsapp sabit */
.wa-sabit{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 24px rgba(0,0,0,.25)}
.wa-sabit svg{width:32px;height:32px;fill:#fff}

/* ürünler sayfası */
.sayfa-bas{background:var(--lacivert);color:#fff;padding:70px 0 60px}
.sayfa-bas h1{font-size:clamp(2rem,4vw,3rem)}
.sayfa-bas p{color:#d5dcee;max-width:640px;margin-top:10px}
.urun-blok{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:56px 0;border-bottom:1px solid var(--gri-acik)}
.urun-blok:nth-child(even){direction:rtl}
.urun-blok:nth-child(even)>*{direction:ltr}
@media(max-width:900px){.urun-blok{grid-template-columns:1fr;direction:ltr!important}}
.urun-blok img{border-radius:var(--radius);box-shadow:var(--golge);aspect-ratio:4/3;object-fit:cover}
.urun-blok h2{margin-bottom:10px}
.urun-blok p{color:var(--gri);margin-bottom:14px}
.urun-blok ul{padding-left:18px;color:var(--koyu);margin-bottom:18px}
.urun-blok li{padding:3px 0}
table.ozellik{width:100%;border-collapse:collapse;font-size:.92rem;margin:12px 0 18px}
table.ozellik th,table.ozellik td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--gri-acik)}
table.ozellik th{color:var(--lacivert);background:var(--sut);font-weight:700;width:42%}
.tablo-kaydir{overflow-x:auto}