/* ================================================================
   Arıtıcı / Osmowater — site geneli stil dosyası
   Palet: derin okyanus mavisi + aqua + buz beyazı (canlı ve aydınlık)
   ================================================================ */
:root{
  --deep:#04304F;
  --navy:#0A4D80;
  --blue:#0E7EC8;
  --aqua:#1FB6E8;
  --aqua-soft:#7DD6F5;
  --ice:#EAF6FD;
  --white:#FFFFFF;
  --ink:#123045;
  --muted:#4A6A80;
  --line:rgba(10,77,128,.12);
  --shadow:0 12px 40px rgba(6,48,79,.12);
  --radius:18px;
  --grad:linear-gradient(135deg,var(--blue) 0%,var(--aqua) 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',-apple-system,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1200px,92%);margin-inline:auto}

h1,h2,h3,h4{font-family:'Sora','Manrope',sans-serif;line-height:1.18;color:var(--deep);font-weight:700}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.8rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;
  color:var(--blue);margin-bottom:1rem;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--grad);border-radius:2px}
.section{padding:5.5rem 0}
.section-head{max-width:720px;margin-bottom:3rem}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin-bottom:.8rem}
.section-head p{color:var(--muted);font-size:1.05rem}
.section--ice{background:linear-gradient(180deg,var(--ice) 0%,#F7FCFF 100%)}

/* ---------- Üst bar + header ---------- */
.topbar{background:var(--deep);color:#CDE9F9;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding:.45rem 0;gap:1rem;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:700}
.topbar a:hover{color:var(--aqua-soft)}
.topbar .tb-left{display:flex;gap:1.4rem;flex-wrap:wrap}

.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header .container{display:flex;align-items:center;justify-content:space-between;gap:.9rem;padding:.6rem 0;width:min(1400px,97%)}
.brand img{height:56px;width:auto}
.brand--osmo img{height:60px}
.nav{display:flex;gap:1.1rem;align-items:center;flex-wrap:wrap;justify-content:center}
.nav a{font-weight:700;font-size:.92rem;color:var(--ink);position:relative;padding:.3rem 0;white-space:nowrap}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2.5px;background:var(--grad);border-radius:2px;transition:width .25s}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav a.active{color:var(--blue)}
.nav a.nav-cta, a.nav-cta{
  display:inline-flex;align-items:center;flex:none;min-width:max-content;box-sizing:content-box;
  background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 100%);color:#fff !important;font-weight:800;
  padding:.55rem 1.05rem;border-radius:999px;box-shadow:0 6px 18px rgba(31,182,232,.35);
  transition:transform .2s,box-shadow .2s;
}
.nav a.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(31,182,232,.45)}
.nav a.nav-cta::after{display:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;overflow:hidden;
  background:var(--deep);
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(4,34,58,.88) 0%,rgba(8,61,102,.62) 45%,rgba(14,126,200,.18) 100%);
}
.hero .container{position:relative;z-index:2;padding:6rem 0}
.hero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.6rem);max-width:750px;margin-bottom:1.3rem}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--aqua-soft),#B9F0FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:600px;font-size:1.13rem;color:#DDF1FC;margin-bottom:2.2rem}
.hero-badge{
  display:inline-flex;align-items:center;gap:.55rem;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(8px);
  padding:.5rem 1.1rem;border-radius:999px;font-weight:700;font-size:.88rem;margin-bottom:1.6rem;
}
.hero-badge .dot{width:9px;height:9px;border-radius:50%;background:#5CE1FF;box-shadow:0 0 12px #5CE1FF}
.btn-row{display:flex;gap:1rem;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:.5rem;font-weight:800;font-size:1rem;
  padding:.95rem 1.9rem;border-radius:999px;transition:transform .2s,box-shadow .2s;
}
.btn-primary{background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 100%);color:#fff;box-shadow:0 8px 26px rgba(14,126,200,.45)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(31,182,232,.55)}
.btn-ghost{border:2px solid rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.btn-dark{background:var(--deep);color:#fff}
.btn-dark:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(6,48,79,.35)}

/* hero istatistik şeridi */
.stats{position:relative;z-index:3;margin-top:-4.2rem}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;overflow:hidden;
  background:var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
}
.stat{background:#fff;padding:1.7rem 1.4rem;text-align:center}
.stat b{display:block;font-family:'Sora',sans-serif;font-size:2rem;color:var(--blue)}
.stat span{font-size:.88rem;color:var(--muted);font-weight:600}

/* ---------- Kartlar ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.7rem;transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:opacity .25s}
.card:hover::before{opacity:1}
.card .icon{
  width:58px;height:58px;border-radius:16px;background:var(--ice);color:var(--blue);
  display:flex;align-items:center;justify-content:center;margin-bottom:1.2rem;
}
.card .icon svg{width:30px;height:30px}
.card h3{font-size:1.15rem;margin-bottom:.6rem}
.card p{color:var(--muted);font-size:.95rem}
.card .more{display:inline-flex;align-items:center;gap:.35rem;margin-top:1rem;font-weight:800;font-size:.9rem;color:var(--blue)}
.card .more:hover{gap:.6rem}

/* kategori kartı (ürünler) */
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;transition:transform .25s,box-shadow .25s}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.cat-card h3{display:flex;align-items:center;gap:.7rem;font-size:1.12rem;margin-bottom:1rem;color:var(--navy)}
.cat-card ul{list-style:none}
.cat-card li{padding:.42rem 0;border-bottom:1px dashed var(--line);color:var(--muted);font-size:.93rem;display:flex;gap:.5rem;align-items:baseline}
.cat-card li::before{content:"•";color:var(--aqua);font-weight:900}
.cat-card li:last-child{border-bottom:none}

/* ---------- Bantlar ---------- */
.band{
  position:relative;background:var(--deep);color:#fff;border-radius:calc(var(--radius) + 6px);
  padding:3.5rem;overflow:hidden;
}
.band::before{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 300px at 85% 20%,rgba(31,182,232,.35),transparent 65%),
  radial-gradient(500px 260px at 10% 90%,rgba(14,126,200,.3),transparent 60%)}
.band>*{position:relative}
.band h2{color:#fff;font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:.8rem}
.band p{color:#C9E7F8;max-width:620px;margin-bottom:1.8rem}

/* ---------- Referans / sektör ---------- */
.pill-grid{display:flex;flex-wrap:wrap;gap:.8rem}
.pill{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:.6rem 1.3rem;font-weight:700;font-size:.92rem;color:var(--navy);
  transition:all .2s;
}
.pill:hover{background:var(--ice);border-color:var(--aqua)}

/* ---------- Form ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2.4rem;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.form-grid .full{grid-column:1/-1}
label{font-weight:800;font-size:.86rem;color:var(--deep);display:block;margin-bottom:.4rem}
input,select,textarea{
  width:100%;padding:.85rem 1rem;border:1.5px solid #C6DCEC;border-radius:12px;
  font-family:inherit;font-size:.98rem;
  color:var(--ink);            /* koyu yazı — okunabilirlik kuralı */
  background:#FBFDFF;
  transition:border-color .2s,box-shadow .2s;
}
input::placeholder,textarea::placeholder{color:#7E99AC}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--aqua);box-shadow:0 0 0 4px rgba(31,182,232,.15)}
textarea{min-height:130px;resize:vertical}
.form-note{font-size:.85rem;color:var(--muted);margin-top:1rem}

/* ---------- İletişim ---------- */
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow)}
.contact-card h3{display:flex;align-items:center;gap:.6rem;margin-bottom:1.1rem;color:var(--navy)}
.contact-card p{color:var(--muted);margin-bottom:.5rem;font-size:.97rem}
.contact-card b{color:var(--ink)}
.map-frame{border:0;width:100%;height:340px;border-radius:var(--radius);box-shadow:var(--shadow)}

/* ---------- Sayfa başlık bandı (iç sayfalar) ---------- */
.page-hero{
  position:relative;background:var(--deep);color:#fff;padding:5rem 0 4rem;overflow:hidden;
}
.page-hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(700px 340px at 80% 0%,rgba(31,182,232,.4),transparent 60%),
  radial-gradient(500px 300px at 5% 100%,rgba(14,126,200,.35),transparent 60%)}
.page-hero .container{position:relative}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,3.8vw,2.8rem);margin-bottom:.7rem}
.page-hero p{color:#C9E7F8;max-width:640px;font-size:1.05rem}
.crumbs{font-size:.85rem;color:#8FC8E8;margin-bottom:1.2rem;font-weight:700}
.crumbs a:hover{color:#fff}

/* ---------- Footer ---------- */
.footer{background:var(--deep);color:#B9D8EC;margin-top:5rem}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem;padding:4rem 0 3rem}
.footer h4{color:#fff;font-size:1rem;margin-bottom:1.1rem;letter-spacing:.04em}
.footer a{display:block;padding:.28rem 0;font-size:.93rem;color:#B9D8EC}
.footer a:hover{color:#5CE1FF}
.footer p{font-size:.93rem}
.footer .f-logo{height:60px;width:auto;margin-bottom:1rem;background:#fff;border-radius:12px;padding:.5rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.2rem 0;font-size:.83rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.footer-bottom a{display:inline;color:#8FC8E8}

/* dalga ayracı */
.wave{display:block;width:100%;height:70px;margin-bottom:-1px}

/* ---------- WhatsApp butonu ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:60;width:60px;height:60px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(37,211,102,.45);transition:transform .2s;
}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#fff}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .brand img{height:54px}.brand--osmo img{height:48px}
  .header .container{flex-wrap:wrap;justify-content:center}
}
@media(max-width:620px){
  .grid-3,.grid-4,.grid-2,.form-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .band{padding:2.2rem 1.6rem}
  .section{padding:3.5rem 0}
  .hero{min-height:72vh}
  .topbar .container{justify-content:center}
}

/* ---------- Ürün kartları ve detay ---------- */
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.p-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.p-card .p-img{background:#fff;height:200px;display:flex;align-items:center;justify-content:center;padding:1rem;border-bottom:1px solid var(--line)}
.p-card .p-img img{max-height:100%;width:auto;max-width:100%;object-fit:contain}
.p-card .p-body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.p-card h3{font-size:.98rem;line-height:1.35;flex:1}
.p-card .more{font-weight:800;font-size:.88rem;color:var(--blue)}
.kat-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin:2.6rem 0 1.2rem}
.kat-head h2{font-size:1.35rem}
.kat-head .count{color:var(--muted);font-size:.9rem;font-weight:700}
.subcat-card{display:flex;flex-direction:column;gap:.4rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.4rem;transition:transform .2s,box-shadow .2s}
.subcat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.subcat-card b{color:var(--navy);font-size:.98rem}
.subcat-card span{color:var(--muted);font-size:.85rem;font-weight:600}
/* ürün detay */
.pd-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:2.5rem;align-items:start}
.pd-gallery{position:sticky;top:110px}
.pd-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;display:flex;align-items:center;justify-content:center;height:400px}
.pd-main img{max-height:100%;max-width:100%;object-fit:contain}
.pd-thumbs{display:flex;gap:.7rem;margin-top:.9rem;flex-wrap:wrap}
.pd-thumbs img{width:76px;height:76px;object-fit:contain;background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:.35rem;cursor:pointer;transition:border-color .2s}
.pd-thumbs img:hover,.pd-thumbs img.sel{border-color:var(--aqua)}
.pd-info h1,.pd-info .pd-title{font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:1rem}
.pd-info .desc{color:var(--ink)}
.pd-info .desc p{margin-bottom:.7rem}
.pd-info .desc ul,.pd-info .desc ol{margin:.5rem 0 .9rem 1.3rem}
.pd-cta{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:1.6rem}
.teknik{margin-top:3rem}
.teknik h2{font-size:1.3rem;margin-bottom:1rem}
.teknik table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:.92rem}
.teknik td,.teknik th{padding:.6rem .9rem;border:1px solid var(--line);text-align:left;color:var(--ink)}
.teknik tr:nth-child(odd) td{background:#F4FAFE}
.teknik-scroll{overflow-x:auto}
.pd-crumb{margin-bottom:1.2rem;font-size:.88rem;color:var(--muted);font-weight:700}
.pd-crumb a{color:var(--blue)}
@media(max-width:900px){.pd-wrap{grid-template-columns:1fr}.pd-gallery{position:static}.pd-main{height:300px}}

/* ---------- Arama ---------- */
.arama{position:relative;flex:none}
.arama input{
  width:150px;padding:.55rem 1rem .55rem 2.2rem;border:1.5px solid var(--line);border-radius:999px;
  font-family:inherit;font-size:.88rem;color:var(--ink);background:#F4FAFE url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='15' height='15' viewBox='0 0 24 24' fill='none' stroke='%230E7EC8' stroke-width='2.4'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") no-repeat .8rem center;
  transition:width .25s,border-color .2s,box-shadow .2s;
}
.arama input:focus{width:200px;outline:none;border-color:var(--aqua);box-shadow:0 0 0 4px rgba(31,182,232,.14)}
.arama-sonuc{
  display:none;position:absolute;top:calc(100% + 8px);right:0;width:340px;max-height:420px;overflow-y:auto;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(6,48,79,.18);z-index:80;
}
.arama-sonuc a{display:flex;flex-direction:column;gap:.15rem;padding:.65rem .95rem;border-bottom:1px solid var(--line)}
.arama-sonuc a:last-child{border-bottom:none}
.arama-sonuc a:hover{background:var(--ice)}
.arama-sonuc b{font-size:.86rem;color:var(--deep);line-height:1.3}
.arama-sonuc span{font-size:.74rem;color:var(--muted);font-weight:600}
@media(max-width:980px){.arama input{width:130px}.arama input:focus{width:180px}.arama-sonuc{width:280px}}

/* ---------- SSS ---------- */
.sss details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:.8rem;overflow:hidden}
.sss summary{cursor:pointer;padding:1.1rem 1.3rem;font-weight:800;color:var(--deep);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.sss summary::after{content:"+";font-size:1.4rem;color:var(--blue);flex:none;transition:transform .2s}
.sss details[open] summary::after{transform:rotate(45deg)}
.sss details p{padding:0 1.3rem 1.1rem;color:var(--muted)}

/* ---------- Ürünler sekmeleri ---------- */
.tabbar{display:flex;gap:.7rem;flex-wrap:wrap;margin:2rem 0 2.5rem}
.tab-btn{
  padding:.75rem 1.5rem;border-radius:999px;border:1.5px solid var(--line);background:#fff;
  font-family:inherit;font-size:.95rem;font-weight:800;color:var(--navy);cursor:pointer;transition:all .2s;
}
.tab-btn:hover{border-color:var(--aqua)}
.tab-btn.aktif{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(14,126,200,.35)}
.tab-panel{display:none}
.tab-panel.aktif{display:block}

/* ---------- Mega menü ---------- */
.nav .urunler-menu{position:relative}
.mega{
  display:none;position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);
  width:max-content;max-width:min(1080px,92vw);background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:0 24px 60px rgba(6,48,79,.2);padding:1.4rem;z-index:90;max-height:76vh;overflow-y:auto;
  grid-template-columns:repeat(var(--cols,3),minmax(190px,230px));gap:1.2rem;text-align:left;
}
.urunler-menu:hover .mega,.mega:hover{display:grid}
.mega h5{font-size:.85rem;color:var(--blue);letter-spacing:.06em;text-transform:uppercase;margin-bottom:.6rem;border-bottom:2px solid var(--ice);padding-bottom:.4rem}
.mega h5 a{color:inherit}
.mega a.mi{display:block;padding:.26rem 0;font-size:.84rem;font-weight:600;color:var(--muted);white-space:normal}
.mega a.mi:hover{color:var(--blue)}
.mega a.mi::after{display:none}
.mega .tumu{font-weight:800;color:var(--blue);margin-top:.3rem}
@media(max-width:980px){.mega{display:none !important}}

/* ---------- Kategori listesi (dar, liste görünümü) ---------- */
.kat-liste{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;align-items:start}
.kat-blok{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:.55rem .9rem;
}
.kat-blok a{display:flex;justify-content:space-between;align-items:baseline;gap:.6rem;padding:.34rem .2rem}
.kat-blok a.ust{font-weight:800;font-size:.94rem;color:var(--navy);border-bottom:1px solid var(--ice)}
.kat-blok a.alt{font-weight:600;font-size:.84rem;color:var(--muted);padding-left:1rem;position:relative}
.kat-blok a.alt::before{content:"›";position:absolute;left:.25rem;color:var(--aqua)}
.kat-blok a:hover{color:var(--blue)}
.kat-blok i{font-style:normal;font-size:.72rem;font-weight:700;color:#8FB4CC;flex:none}
.mega .mcols{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
@media(max-width:980px){.kat-liste{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.kat-liste{grid-template-columns:1fr}}

/* ---------- Satın Al ---------- */
.nav a.nav-satin, a.nav-satin{
  display:inline-flex;align-items:center;gap:.35rem;flex:none;
  background:linear-gradient(135deg,var(--blue) 0%,var(--aqua) 60%,var(--blue) 100%);color:#fff !important;font-weight:800;
  padding:.55rem 1.05rem;border-radius:999px;box-shadow:0 6px 18px rgba(14,126,200,.4);
  transition:transform .2s,box-shadow .2s;
}
.nav a.nav-satin:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,126,200,.5)}
.nav a.nav-satin::after{display:none}
.btn-satin{background:linear-gradient(135deg,#E8650D 0%,#F59E0B 100%);color:#fff;box-shadow:0 8px 26px rgba(232,101,13,.45)}
.btn-satin:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(232,101,13,.55)}
.footer .sosyal{display:flex;gap:.8rem;margin-top:1rem}
.footer .sosyal a{display:inline-flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.1);border-radius:999px;padding:.45rem 1rem;font-weight:700}
.footer .sosyal a:hover{background:rgba(255,255,255,.2)}

/* ---------- Hero: Arıtıcı Online logosu ---------- */
.hero-online{display:flex;justify-content:center;margin-top:1.2rem;width:204px}
.hero-online img{width:140px;height:auto;filter:drop-shadow(0 2px 10px rgba(255,255,255,.55))}

/* ---------- 40. Yıl el yazısı ---------- */
.kirk-yil{
  position:absolute;top:15%;right:6%;z-index:2;
  width:clamp(190px,19vw,290px);height:auto;transform:rotate(-6deg);
  filter:drop-shadow(0 4px 14px rgba(4,48,79,.45));
}
.kirk-yil small{display:block;font-size:.32em;font-weight:600;color:#B9F0FF;letter-spacing:.06em}
@media(max-width:900px){.kirk-yil{top:10%;right:5%}}