/* ==========================================================================
   OXYGEN ALUMINIUM SYSTEMS
   İmza öğe: giydirme cephe mülyon ızgarası + logodaki dört renkli kare motifi
   ========================================================================== */

:root{
  --murekkep:#0B1620;
  --celik:#16232F;
  --celik-2:#1F2E3C;
  --mavi:#29ABE2;
  --mavi-600:#0E86BD;
  --mavi-700:#0A6A97;
  --kagit:#F5F7F9;
  --cizgi:#D6DDE4;
  --cizgi-koyu:rgba(255,255,255,.14);
  --soluk:#5C6B7A;
  --soluk-2:#94A5B4;
  --yesil:#00C22B; --kirmizi:#FF1414; --sari:#FFE800;
  --wa:#25D366;

  --sarmal:1220px;
  --r-s:4px; --r-o:8px; --r-b:14px;
  --bosluk:clamp(60px,7vw,104px);
  --golge:0 18px 44px -22px rgba(11,22,32,.45);
  --golge-b:0 30px 70px -30px rgba(11,22,32,.55);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:#fff;color:var(--murekkep);
  font-family:'Barlow',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}

/* italik ve el yazısı yasak — Font Awesome ikonları hariç */
*:not([class*="fa-"]){font-style:normal !important}

img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:'Archivo',system-ui,Arial,sans-serif;margin:0;line-height:1.09;letter-spacing:-.022em;font-weight:800}
p{margin:0}
:focus-visible{outline:3px solid var(--mavi);outline-offset:3px}

.sarmal{width:100%;max-width:var(--sarmal);margin-inline:auto;padding-inline:20px}
.gizli{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* --- logo kare motifi --- */
.kare{display:inline-grid;grid-template-columns:repeat(2,1fr);gap:2px;width:16px;flex:0 0 auto;vertical-align:middle}
.kare span{aspect-ratio:1;display:block}
.kare span:nth-child(1){background:var(--yesil)}
.kare span:nth-child(2){background:var(--mavi)}
.kare span:nth-child(3){background:var(--kirmizi)}
.kare span:nth-child(4){background:var(--sari)}

.ustbaslik{display:inline-flex;align-items:center;gap:10px;font-family:'Archivo',sans-serif;
  font-weight:700;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mavi-700);margin-bottom:18px}
.ustbaslik--acik{color:var(--mavi)}

/* ==================== TEPE ÇUBUĞU ==================== */
.tepe{background:var(--murekkep);color:#B9C6D2;font-size:13.5px}
.tepe__ic{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:42px;flex-wrap:wrap}
.tepe__sol{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.tepe a:hover{color:#fff}
.tepe__oge{display:flex;align-items:center;gap:9px}
.tepe__oge i{color:var(--mavi);font-size:13px;width:14px;text-align:center}
.tepe__sag{display:flex;align-items:center;gap:9px;color:var(--soluk-2)}
.nokta{width:7px;height:7px;border-radius:50%;background:var(--yesil);box-shadow:0 0 0 3px rgba(0,194,43,.22)}
@media (max-width:900px){.tepe__gizle{display:none}}

/* ==================== BAŞLIK ==================== */
.basli{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--cizgi);transition:box-shadow .25s}
.basli.yapisik{box-shadow:0 10px 30px -18px rgba(11,22,32,.4)}
.basli__ic{display:flex;align-items:center;gap:22px;min-height:78px}
.marka{display:flex;align-items:center;flex:0 0 auto;margin-right:auto}
.marka img{height:44px;width:auto}
@media (max-width:520px){.marka img{height:33px}}

.menu{display:flex;align-items:center;gap:1px}
.menu a{font-family:'Archivo',sans-serif;font-weight:600;font-size:14.5px;padding:10px 12px;
  border-radius:var(--r-s);color:var(--celik);position:relative;transition:color .18s;white-space:nowrap}
.menu a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--mavi-600);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.menu a:hover{color:var(--mavi-700)}
.menu a:hover::after,.menu a.etkin::after{transform:scaleX(1)}
.menu a.etkin{color:var(--mavi-700)}

.basli__ayrac{width:1px;height:28px;background:var(--cizgi)}
.teklif-dugme{display:inline-flex;align-items:center;gap:9px;background:var(--mavi-600);color:#fff;
  font-family:'Archivo',sans-serif;font-weight:800;font-size:14.5px;padding:13px 22px;border-radius:var(--r-s);
  border:0;box-shadow:0 10px 24px -12px rgba(14,134,189,.8);transition:background .18s,transform .18s}
.teklif-dugme:hover{background:var(--mavi-700);color:#fff;transform:translateY(-1px)}

.hamburger{display:none;width:46px;height:46px;border:1px solid var(--cizgi);background:#fff;
  border-radius:var(--r-s);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.hamburger span{display:block;width:20px;height:2px;background:var(--murekkep);transition:transform .25s,opacity .2s}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:1140px){
  .menu,.basli__ayrac{display:none}
  .hamburger{display:flex}
  .basli__ic{min-height:70px;gap:12px}
  .teklif-dugme{padding:12px 16px;font-size:13.5px}
  .teklif-dugme b{display:none}
}
@media (max-width:400px){.teklif-dugme{display:none}}

.mmenu{position:fixed;inset:0;z-index:950;background:var(--murekkep);color:#fff;padding:24px 20px 40px;
  overflow:auto;transform:translateY(-100%);transition:transform .35s cubic-bezier(.4,0,.2,1);visibility:hidden}
.mmenu.acik{transform:translateY(0);visibility:visible}
.mmenu__ust{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.mmenu__ust img{height:34px;width:auto}
.mmenu__kapa{width:44px;height:44px;border:1px solid var(--cizgi-koyu);background:transparent;border-radius:var(--r-s);color:#fff;font-size:18px}
.mmenu li a{display:flex;align-items:center;justify-content:space-between;padding:15px 2px;
  border-bottom:1px solid var(--cizgi-koyu);font-family:'Archivo',sans-serif;font-weight:700;font-size:18px}
.mmenu li a i{color:var(--mavi);font-size:13px}
.mmenu__cta{display:grid;gap:12px;margin-top:24px}
.mmenu__cta a{display:flex;align-items:center;justify-content:center;gap:10px;padding:16px;
  border-radius:var(--r-s);font-family:'Archivo',sans-serif;font-weight:800;color:#fff}
.mmenu__cta a:nth-child(1){background:var(--mavi-600)}
.mmenu__cta a:nth-child(2){background:var(--wa)}
.mmenu__cta a:nth-child(3){border:1px solid var(--cizgi-koyu)}

/* ==================== DÜĞMELER ==================== */
.dugme{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:'Archivo',sans-serif;
  font-weight:800;font-size:15.5px;padding:16px 26px;border-radius:var(--r-s);border:0;color:#fff;
  transition:transform .18s,background .18s,border-color .18s;text-align:center}
.dugme i{font-size:16px}
.dugme--tam{width:100%}
.dugme--ana{background:var(--mavi-600);box-shadow:0 16px 34px -16px rgba(14,134,189,.8)}
.dugme--ana:hover{background:var(--mavi-700);transform:translateY(-2px)}
.dugme--wa{background:var(--wa);box-shadow:0 16px 34px -18px rgba(37,211,102,.8)}
.dugme--wa:hover{background:#1FBE5B;transform:translateY(-2px)}
.dugme--koyu{background:var(--murekkep)}
.dugme--koyu:hover{background:var(--celik-2);transform:translateY(-2px)}
.dugme--hayalet{background:transparent;border:1px solid rgba(255,255,255,.32)}
.dugme--hayalet:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.dugme--cizgi{background:transparent;border:1px solid var(--cizgi);color:var(--murekkep)}
.dugme--cizgi:hover{border-color:var(--mavi-600);color:var(--mavi-700)}

/* ==================== KAHRAMAN ==================== */
.kahraman{position:relative;background:var(--murekkep);color:#fff;overflow:hidden}
.kahraman__izgara{display:grid;grid-template-columns:1.02fr .98fr;align-items:stretch}
.kahraman__sol{padding:clamp(52px,6vw,88px) clamp(20px,4vw,64px) clamp(52px,6vw,80px);
  display:flex;flex-direction:column;justify-content:center;max-width:720px;margin-left:auto;width:100%}
.kahraman h1{font-size:clamp(36px,5.2vw,63px);font-weight:900;letter-spacing:-.032em;line-height:1.03}
.kahraman h1 .vurgu{color:var(--mavi)}
.kahraman__giris{margin-top:22px;font-size:clamp(16.5px,1.6vw,19px);color:#AEBECC;max-width:56ch;line-height:1.7}
.kahraman__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.kahraman__maddeler{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;padding-top:26px;border-top:1px solid var(--cizgi-koyu)}
.kahraman__maddeler li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#C4D2DE;font-weight:500}
.kahraman__maddeler i{color:var(--mavi);font-size:14px}

.kahraman__gorsel{position:relative;min-height:540px;background:linear-gradient(140deg,#1B2C3A,#0B1620)}
.kahraman__gorsel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.94}
.mulyon{position:absolute;inset:0;pointer-events:none}
.mulyon::before,.mulyon::after{content:"";position:absolute;background:rgba(231,236,241,.5);box-shadow:0 0 0 1px rgba(11,22,32,.25)}
.mulyon::before{left:0;right:0;top:38%;height:8px;transform-origin:left;animation:cizX .9s .25s both cubic-bezier(.2,.7,.3,1)}
.mulyon::after{top:0;bottom:0;left:44%;width:8px;transform-origin:top;animation:cizY 1s .45s both cubic-bezier(.2,.7,.3,1)}
.mulyon b{position:absolute;left:0;right:0;top:71%;height:6px;background:rgba(231,236,241,.35);transform-origin:left;animation:cizX .9s .65s both cubic-bezier(.2,.7,.3,1)}
@keyframes cizX{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes cizY{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@media (prefers-reduced-motion:reduce){.mulyon::before,.mulyon::after,.mulyon b{animation:none}}

.kahraman__rozet{position:absolute;left:0;bottom:0;z-index:3;background:#fff;color:var(--murekkep);
  padding:20px 26px;display:flex;align-items:center;gap:16px;box-shadow:var(--golge-b)}
.kahraman__rozet strong{display:block;font-family:'Archivo',sans-serif;font-size:30px;font-weight:900;line-height:1;letter-spacing:-.03em}
.kahraman__rozet small{display:block;font-size:12.5px;color:var(--soluk);letter-spacing:.06em;text-transform:uppercase;font-weight:600;margin-top:6px}

@media (max-width:1000px){
  .kahraman__izgara{grid-template-columns:1fr}
  .kahraman__sol{max-width:none;padding-inline:20px}
  .kahraman__gorsel{min-height:330px;order:-1}
  .kahraman__rozet{padding:16px 20px}
  .kahraman__rozet strong{font-size:24px}
}

/* --- sayfa başlığı (iç sayfalar) --- */
.sayfabas{background:var(--murekkep);color:#fff;padding:clamp(46px,5vw,74px) 0 clamp(40px,4.5vw,62px);position:relative;overflow:hidden}
.sayfabas::after{content:"";position:absolute;right:-80px;top:-60px;width:340px;height:340px;
  border:10px solid rgba(41,171,226,.14);border-radius:50%;pointer-events:none}
.sayfabas h1{font-size:clamp(30px,4.2vw,50px);font-weight:900;max-width:22ch}
.sayfabas p{margin-top:18px;color:#A9BAC8;font-size:17.5px;max-width:66ch;line-height:1.7}
.sayfabas .dugme{margin-top:28px}

/* --- kırıntı yolu --- */
.kirinti{background:var(--kagit);border-bottom:1px solid var(--cizgi);font-size:14px}
.kirinti ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;color:var(--soluk)}
.kirinti li+li::before{content:"/";margin-right:8px;color:#B4BFC9}
.kirinti a:hover{color:var(--mavi-700)}
.kirinti li[aria-current]{color:var(--murekkep);font-weight:600}

/* ==================== ŞERİT ==================== */
.serit{background:var(--mavi-700);color:#fff}
.serit__ic{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.18)}
.serit__oge{background:var(--mavi-700);padding:28px 22px;text-align:center}
.serit__oge strong{display:block;font-family:'Archivo',sans-serif;font-size:clamp(26px,3vw,38px);font-weight:900;letter-spacing:-.03em;line-height:1;color:#fff}
.serit__oge span{display:block;margin-top:8px;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.82)}
@media (max-width:760px){.serit__ic{grid-template-columns:repeat(2,1fr)}}

/* ==================== BÖLÜMLER ==================== */
.bolum{padding:var(--bosluk) 0}
.bolum--kagit{background:var(--kagit)}
.bolum--koyu{background:var(--murekkep);color:#fff}
.bolum--aluminyum{background:linear-gradient(180deg,#EDF1F5,#F5F7F9)}
.bolum--dar{padding-block:clamp(40px,5vw,72px)}

.basliklar{max-width:760px;margin-bottom:52px}
.basliklar h2{font-size:clamp(29px,3.8vw,45px);font-weight:900}
.basliklar p{margin-top:18px;color:var(--soluk);font-size:17.5px;line-height:1.7}
.bolum--koyu .basliklar h2{color:#fff}
.bolum--koyu .basliklar p{color:#A9BAC8}
.basliklar--orta{margin-inline:auto;text-align:center}
.basliklar--orta .ustbaslik{justify-content:center}
.basliklar--bolunmus{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:end;max-width:none;margin-bottom:52px}
.basliklar--bolunmus .basliklar__metin{max-width:720px}
@media (max-width:860px){.basliklar--bolunmus{grid-template-columns:1fr}}

/* ==================== HİZMET KARTLARI ==================== */
.hizmetler{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:1080px){.hizmetler{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.hizmetler{grid-template-columns:1fr}}

.kart{background:#fff;border:1px solid var(--cizgi);border-radius:var(--r-o);overflow:hidden;
  display:flex;flex-direction:column;position:relative;transition:transform .25s,box-shadow .25s,border-color .25s}
.kart::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--mavi-600);
  transform:scaleX(0);transform-origin:left;transition:transform .3s;z-index:3}
.kart:hover{transform:translateY(-5px);box-shadow:var(--golge);border-color:#BFCBD6}
.kart:hover::before{transform:scaleX(1)}
.kart__gorsel{position:relative;aspect-ratio:4/3;background:linear-gradient(135deg,#25384A,#0F1E2A);overflow:hidden}
.kart__gorsel img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.kart:hover .kart__gorsel img{transform:scale(1.06)}
.kart__gorsel::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,22,32,0) 45%,rgba(11,22,32,.6))}
.kart__etiket{position:absolute;left:12px;top:12px;z-index:2;background:rgba(255,255,255,.94);color:var(--murekkep);
  font-family:'Archivo',sans-serif;font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border-radius:3px}
.kart__govde{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.kart__govde h3{font-size:19px;font-weight:800;letter-spacing:-.018em}
.kart__govde p{margin-top:10px;color:var(--soluk);font-size:15.3px;line-height:1.62;flex:1}
.kart__bag{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-family:'Archivo',sans-serif;
  font-weight:700;font-size:14px;color:var(--mavi-700)}
.kart__bag i{transition:transform .2s;font-size:13px}
.kart:hover .kart__bag i{transform:translateX(4px)}

.cipler{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.cip{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--cizgi);border-radius:100px;
  padding:10px 18px 10px 14px;font-weight:600;font-size:14.8px;transition:border-color .2s,color .2s,transform .2s}
.cip:hover{border-color:var(--mavi-600);color:var(--mavi-700);transform:translateY(-2px)}
.cip .kare{width:12px}

/* ==================== REFERANSLAR ==================== */
.referanslar{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.referans{background:#fff;border:1px solid var(--cizgi);border-radius:var(--r-o);padding:26px 24px;
  display:flex;flex-direction:column;gap:14px;transition:transform .2s,box-shadow .2s,border-color .2s}
.referans:hover{transform:translateY(-4px);box-shadow:var(--golge);border-color:#BFCBD6}
.referans__logo{height:52px;display:flex;align-items:center}
.referans__logo img{max-height:52px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.78;transition:filter .25s,opacity .25s}
.referans:hover .referans__logo img{filter:none;opacity:1}
.referans__yazi{font-family:'Archivo',sans-serif;font-weight:900;font-size:20px;letter-spacing:-.02em;color:var(--murekkep);line-height:1.2}
.referans h3{font-size:17px;font-weight:800}
.referans p{color:var(--soluk);font-size:15px;line-height:1.6}
.referans__alt{margin-top:auto;padding-top:12px;border-top:1px solid var(--cizgi);display:flex;
  align-items:center;gap:8px;font-size:13.5px;color:var(--mavi-700);font-weight:600}
@media (max-width:900px){.referanslar{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.referanslar{grid-template-columns:1fr}}

/* ==================== ÖNE ÇIKAN ==================== */
.vitrin{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.vitrin--ters .vitrin__gorsel{order:2}
.vitrin__gorsel{position:relative;background:linear-gradient(135deg,#22364A,#0D1A25);border-radius:var(--r-o);overflow:hidden;aspect-ratio:5/4}
.vitrin__gorsel img{width:100%;height:100%;object-fit:cover}
.vitrin__cerceve{position:absolute;inset:14px;border:2px solid rgba(255,255,255,.35);pointer-events:none;border-radius:2px}
.vitrin h2{font-size:clamp(27px,3.3vw,40px);font-weight:900}
.bolum--koyu .vitrin h2{color:#fff}
.vitrin__metin>p{margin-top:18px;color:var(--soluk);font-size:17px;line-height:1.72}
.bolum--koyu .vitrin__metin>p{color:#A9BAC8}
.vitrin__liste{margin-top:26px;display:grid;gap:14px}
.vitrin__liste li{display:flex;gap:13px;align-items:flex-start;font-size:16px;line-height:1.55}
.vitrin__liste i{color:var(--mavi);font-size:17px;margin-top:4px}
.vitrin .dugme{margin-top:32px}
@media (max-width:920px){
  .vitrin{grid-template-columns:1fr;gap:32px}
  .vitrin--ters .vitrin__gorsel{order:0}
}

/* ==================== SÜREÇ ==================== */
.adimlar{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.adim{padding-top:30px;border-top:3px solid var(--mavi-600)}
.adim__no{font-family:'Archivo',sans-serif;font-weight:900;font-size:13px;letter-spacing:.14em;color:var(--mavi);display:block;margin-bottom:14px}
.adim h3{font-size:20px;font-weight:800;color:#fff}
.adim p{margin-top:12px;color:#9DB0BF;font-size:15.5px;line-height:1.65}
@media (max-width:900px){.adimlar{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.adimlar{grid-template-columns:1fr}}

/* ==================== GALERİ ==================== */
.sekmeler{display:flex;gap:8px;margin-bottom:32px;border-bottom:1px solid var(--cizgi);flex-wrap:wrap}
.sekme{background:none;border:0;padding:14px 22px;font-family:'Archivo',sans-serif;font-weight:700;font-size:15.5px;
  color:var(--soluk);position:relative;border-radius:var(--r-s) var(--r-s) 0 0;transition:color .2s,background .2s}
.sekme::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--mavi-600);
  transform:scaleX(0);transition:transform .25s}
.sekme:hover{color:var(--murekkep);background:var(--kagit)}
.sekme.etkin{color:var(--mavi-700)}
.sekme.etkin::after{transform:scaleX(1)}
.sekme i{margin-right:8px}
.sekme span{background:var(--kagit);border-radius:100px;padding:2px 9px;font-size:12.5px;margin-left:8px;color:var(--soluk)}
.sekme.etkin span{background:var(--mavi-600);color:#fff}

.pano{display:none}
.pano.etkin{display:block}

.galeri{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.galeri{grid-template-columns:repeat(2,1fr)}}
@media (max-width:540px){.galeri{grid-template-columns:1fr}}

.gkart{position:relative;overflow:hidden;border-radius:var(--r-o);background:linear-gradient(135deg,#25384A,#0F1E2A);
  aspect-ratio:4/3;display:block;cursor:pointer}
.gkart img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.gkart:hover img{transform:scale(1.06)}
.gkart::after{content:"";position:absolute;inset:0;background:rgba(11,22,32,0);transition:background .3s}
.gkart:hover::after{background:rgba(11,22,32,.14)}
.gkart__oynat{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center}
.gkart__oynat i{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.94);color:var(--mavi-700);
  display:flex;align-items:center;justify-content:center;font-size:22px;padding-left:4px;
  box-shadow:0 10px 30px -8px rgba(11,22,32,.6);transition:transform .25s,background .25s}
.gkart:hover .gkart__oynat i{transform:scale(1.1);background:#fff}

/* ışık kutusu */
.ikutu{position:fixed;inset:0;z-index:1000;background:rgba(7,14,20,.94);display:none;
  align-items:center;justify-content:center;padding:24px}
.ikutu.acik{display:flex}
.ikutu__kap{position:relative;width:100%;max-width:1080px}
.ikutu__kap img{width:100%;height:auto;max-height:84vh;object-fit:contain;border-radius:var(--r-o)}
.ikutu__oran{position:relative;width:100%;padding-top:56.25%;background:#000;border-radius:var(--r-o);overflow:hidden}
.ikutu__oran iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.ikutu__bilgi{color:#fff;margin-top:16px;font-family:'Archivo',sans-serif;font-weight:700;font-size:17px}
.ikutu__kapa,.ikutu__ok{position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  color:#fff;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;transition:background .2s}
.ikutu__kapa:hover,.ikutu__ok:hover{background:rgba(255,255,255,.24)}
.ikutu__kapa{top:-60px;right:0}
.ikutu__ok--onceki{left:-64px;top:50%;transform:translateY(-50%)}
.ikutu__ok--sonraki{right:-64px;top:50%;transform:translateY(-50%)}
@media (max-width:1220px){
  .ikutu__ok--onceki{left:8px} .ikutu__ok--sonraki{right:8px}
  .ikutu__kapa{top:-56px;right:8px}
}

/* ==================== SERVİS ==================== */
.servisler{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.servis{background:#fff;border:1px solid var(--cizgi);border-radius:var(--r-o);padding:30px 26px;
  transition:border-color .2s,transform .2s,box-shadow .2s}
.servis:hover{border-color:var(--mavi-600);transform:translateY(-4px);box-shadow:var(--golge)}
.servis__ikon{width:52px;height:52px;border-radius:var(--r-s);background:var(--mavi-600);display:flex;
  align-items:center;justify-content:center;margin-bottom:20px;color:#fff;font-size:21px}
.servis h3{font-size:18.5px;font-weight:800}
.servis p{margin-top:11px;color:var(--soluk);font-size:15.3px;line-height:1.62}
@media (max-width:900px){.servisler{grid-template-columns:1fr}}

/* ==================== YORUMLAR ==================== */
.yorumlar{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.yorum{background:#fff;border:1px solid var(--cizgi);border-radius:var(--r-o);padding:30px 26px;display:flex;flex-direction:column}
.yorum__yildiz{color:#F5A623;font-size:15px;letter-spacing:2px;margin-bottom:16px}
.yorum p{font-size:16px;line-height:1.7;color:var(--celik);flex:1}
.yorum__kisi{margin-top:22px;padding-top:18px;border-top:1px solid var(--cizgi)}
.yorum__kisi strong{display:block;font-family:'Archivo',sans-serif;font-size:16px;font-weight:700}
.yorum__kisi span{display:block;font-size:13.5px;color:var(--soluk);margin-top:2px}
@media (max-width:900px){.yorumlar{grid-template-columns:1fr}}

/* ==================== SSS ==================== */
.sss{display:grid;grid-template-columns:1fr 1.45fr;gap:clamp(32px,5vw,72px);align-items:start}
.sss__yan h2{font-size:clamp(28px,3.5vw,42px);font-weight:900}
.sss__yan p{margin-top:18px;color:var(--soluk);font-size:17px;line-height:1.7}
.sss__liste{border-top:1px solid var(--cizgi)}
.sss__oge{border-bottom:1px solid var(--cizgi)}
.sss__soru{width:100%;background:none;border:0;padding:24px 46px 24px 0;text-align:left;position:relative;
  font-family:'Archivo',sans-serif;font-weight:700;font-size:18px;color:var(--murekkep);line-height:1.4}
.sss__soru i{position:absolute;right:8px;top:50%;transform:translateY(-50%);color:var(--mavi-600);font-size:15px;transition:transform .25s}
.sss__oge.acik .sss__soru i{transform:translateY(-50%) rotate(180deg)}
.sss__cevap{max-height:0;overflow:hidden;transition:max-height .35s ease}
.sss__cevap>div{padding:0 20px 26px 0;color:var(--soluk);font-size:16.2px;line-height:1.72}
@media (max-width:920px){.sss{grid-template-columns:1fr}}

/* ==================== TEKLİF / FORM ==================== */
.teklif{display:grid;grid-template-columns:1fr 1.12fr;gap:clamp(32px,5vw,64px);align-items:start}
.teklif__yan h2{font-size:clamp(28px,3.5vw,42px);font-weight:900;color:#fff}
.teklif__yan>p{margin-top:18px;color:#A9BAC8;font-size:17px;line-height:1.72}
.iletisimler{margin-top:34px;display:grid;gap:12px}
.iletisimler a{display:flex;align-items:center;gap:16px;padding:18px 20px;border:1px solid var(--cizgi-koyu);
  border-radius:var(--r-o);transition:border-color .2s,background .2s}
.iletisimler a:hover{border-color:var(--mavi);background:rgba(41,171,226,.09)}
.iletisimler i{color:var(--mavi);font-size:19px;width:22px;text-align:center;flex:0 0 auto}
.iletisimler strong{display:block;font-family:'Archivo',sans-serif;font-size:16.5px;font-weight:700;color:#fff}
.iletisimler span{display:block;font-size:13.5px;color:#93A6B5;margin-top:2px}

.form{background:#fff;border-radius:var(--r-b);padding:clamp(26px,3.5vw,40px);box-shadow:var(--golge-b);color:var(--murekkep)}
.form__t{font-family:'Archivo',sans-serif;font-weight:800;font-size:22px}
.form__s{margin-top:8px;color:var(--soluk);font-size:15px}
.fizgara{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.f{display:flex;flex-direction:column;gap:7px}
.f--tam{grid-column:1/-1}
.f label{font-family:'Archivo',sans-serif;font-weight:700;font-size:13px;letter-spacing:.05em;text-transform:uppercase;color:var(--celik)}
.f input,.f select,.f textarea{width:100%;padding:14px 15px;border:1px solid var(--cizgi);border-radius:var(--r-s);
  background:#FAFBFC;font-family:'Barlow',sans-serif;font-size:16px;color:var(--murekkep);transition:border-color .18s,background .18s}
.f textarea{min-height:104px;resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--mavi-600);background:#fff;box-shadow:0 0 0 3px rgba(14,134,189,.15)}
.f input.hatali,.f select.hatali,.f textarea.hatali{border-color:var(--kirmizi);background:#FFF6F6}
.f input::placeholder,.f textarea::placeholder{color:#9AA8B5}
.balkupu{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form .dugme{margin-top:20px}
.form__not{margin-top:16px;font-size:13.5px;color:var(--soluk);text-align:center;line-height:1.55}
.uyari{display:flex;align-items:flex-start;gap:11px;padding:15px 17px;border-radius:var(--r-s);margin-top:20px;font-size:15px;line-height:1.55}
.uyari--ok{background:#E9F9EF;color:#0B5A2A;border:1px solid #B7E7CA}
.uyari--hata{background:#FDECEC;color:#8B1A1A;border:1px solid #F5C6C6}
@media (max-width:920px){.teklif{grid-template-columns:1fr}}
@media (max-width:520px){.fizgara{grid-template-columns:1fr}}

/* ==================== YAZI / İÇERİK ==================== */
.icerik-duzen{display:grid;grid-template-columns:minmax(0,1fr) 366px;gap:clamp(32px,4.5vw,60px);align-items:start}
@media (max-width:1000px){.icerik-duzen{grid-template-columns:1fr}}
.yanpanel{position:sticky;top:100px;display:grid;gap:20px}
@media (max-width:1000px){.yanpanel{position:static}}

.metin{font-size:17.4px;line-height:1.78;color:#2B3947}
.metin h2{font-size:clamp(24px,2.6vw,31px);font-weight:800;margin:44px 0 16px;letter-spacing:-.02em}
.metin h3{font-size:clamp(19px,2vw,23px);font-weight:800;margin:34px 0 12px}
.metin h2:first-child,.metin h3:first-child{margin-top:0}
.metin p{margin-bottom:19px}
.metin ul,.metin ol{margin:0 0 22px;padding-left:0}
.metin ul li{position:relative;padding-left:28px;margin-bottom:11px}
.metin ul li::before{content:"";position:absolute;left:2px;top:10px;width:9px;height:9px;background:var(--mavi-600)}
.metin ol{counter-reset:s}
.metin ol li{position:relative;padding-left:36px;margin-bottom:11px;counter-increment:s}
.metin ol li::before{content:counter(s);position:absolute;left:0;top:1px;width:24px;height:24px;background:var(--murekkep);
  color:#fff;border-radius:3px;font-family:'Archivo',sans-serif;font-weight:800;font-size:12.5px;display:flex;align-items:center;justify-content:center}
.metin strong{font-weight:700;color:var(--murekkep)}
.metin a{color:var(--mavi-700);text-decoration:underline;text-underline-offset:3px}
.metin a:hover{color:var(--mavi-600)}
.metin img{border-radius:var(--r-o);margin:26px 0}
.metin blockquote{border-left:4px solid var(--mavi-600);padding:6px 0 6px 22px;margin:26px 0;color:var(--celik);font-size:18.5px}
.metin table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.6px}
.metin th,.metin td{border:1px solid var(--cizgi);padding:11px 14px;text-align:left}
.metin th{background:var(--kagit);font-family:'Archivo',sans-serif;font-weight:700}
.metin hr{border:0;border-top:1px solid var(--cizgi);margin:36px 0}

.kutu{background:var(--kagit);border:1px solid var(--cizgi);border-radius:var(--r-o);padding:26px 24px}
.kutu h3{font-size:18px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.kutu ul li{padding:8px 0;border-bottom:1px solid var(--cizgi);font-size:15.3px}
.kutu ul li:last-child{border-bottom:0}
.kutu ul li a{display:flex;align-items:center;justify-content:space-between;gap:10px;transition:color .18s}
.kutu ul li a:hover{color:var(--mavi-700)}
.kutu ul li a i{font-size:12px;color:var(--mavi-600)}
.kutu--koyu{background:var(--murekkep);border-color:var(--murekkep);color:#C4D2DE}
.kutu--koyu h3{color:#fff}
.kutu--koyu p{font-size:15.3px;line-height:1.65;margin-bottom:18px}
.kutu--koyu .dugme{width:100%}

/* ==================== BLOG ==================== */
.yazilar{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.yazi{background:#fff;border:1px solid var(--cizgi);border-radius:var(--r-o);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.yazi:hover{transform:translateY(-5px);box-shadow:var(--golge)}
.yazi__gorsel{aspect-ratio:16/10;background:linear-gradient(135deg,#25384A,#0F1E2A);overflow:hidden}
.yazi__gorsel img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.yazi:hover .yazi__gorsel img{transform:scale(1.05)}
.yazi__govde{padding:24px;display:flex;flex-direction:column;flex:1}
.yazi__ust{font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mavi-700)}
.yazi__govde h3{margin-top:12px;font-size:19px;font-weight:800;line-height:1.32}
.yazi__govde p{margin-top:11px;color:var(--soluk);font-size:15.2px;line-height:1.6;flex:1}
@media (max-width:920px){.yazilar{grid-template-columns:1fr}}

/* ==================== BÖLGELER ==================== */
.bolgeler{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.bolge{border:1px solid var(--cizgi);background:#fff;border-radius:var(--r-s);padding:9px 15px;
  font-size:14.6px;font-weight:500;color:var(--celik);transition:all .18s}
.bolge:hover{background:var(--murekkep);border-color:var(--murekkep);color:#fff}

/* ==================== CTA BANT ==================== */
.bant{background:var(--mavi-700);color:#fff}
.bant__ic{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;padding:clamp(38px,5vw,58px) 0}
.bant h2{font-size:clamp(26px,3.3vw,38px);font-weight:900;color:#fff}
.bant p{margin-top:12px;font-size:17px;color:rgba(255,255,255,.86);max-width:60ch}
.bant__dugmeler{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:860px){.bant__ic{grid-template-columns:1fr}}

/* ==================== ALT BİLGİ ==================== */
.altbilgi{background:var(--murekkep);color:#9DB0BF;padding-top:var(--bosluk)}
.altbilgi__ust{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:52px}
.altbilgi__logo{height:44px;width:auto;margin-bottom:22px}
.altbilgi p{font-size:15.3px;line-height:1.7}
.altbilgi h4{font-family:'Archivo',sans-serif;font-size:14px;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:#fff;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.altbilgi__baglar li a{display:block;padding:7px 0;font-size:15.3px;transition:color .18s,padding-left .18s}
.altbilgi__baglar li a:hover{color:var(--mavi);padding-left:6px}
.altbilgi__iletisim{display:grid;gap:16px}
.altbilgi__iletisim li{display:flex;gap:14px;align-items:flex-start;font-size:15.3px;line-height:1.6}
.altbilgi__iletisim i{color:var(--mavi);font-size:16px;width:18px;text-align:center;flex:0 0 auto;margin-top:4px}
.altbilgi__iletisim a:hover{color:#fff}
.sosyal{display:flex;gap:10px;margin-top:26px}
.sosyal a{width:42px;height:42px;border:1px solid var(--cizgi-koyu);border-radius:var(--r-s);
  display:flex;align-items:center;justify-content:center;font-size:17px;transition:all .2s}
.sosyal a:hover{background:var(--mavi-600);border-color:var(--mavi-600);color:#fff}

.altbilgi__bolgeler{border-top:1px solid var(--cizgi-koyu);padding:38px 0}
.altbilgi__bolgeler .liste{display:flex;flex-wrap:wrap}
.altbilgi__bolgeler .liste a{font-size:14.2px;padding:4px 0;transition:color .18s}
.altbilgi__bolgeler .liste a:hover{color:var(--mavi)}
.altbilgi__bolgeler .liste a::after{content:"·";margin:0 9px;color:#3B4C5B}
.altbilgi__bolgeler .liste a:last-child::after{content:""}

.altbilgi__cubuk{border-top:1px solid var(--cizgi-koyu);padding:24px 0 30px;display:flex;justify-content:space-between;
  align-items:center;gap:18px;flex-wrap:wrap;font-size:14px}
.altbilgi__cubuk nav{display:flex;gap:20px;flex-wrap:wrap}
.altbilgi__cubuk a:hover{color:var(--mavi)}
@media (max-width:1000px){.altbilgi__ust{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.altbilgi__ust{grid-template-columns:1fr;gap:34px}}

/* ==================== SABİT DÜĞMELER ==================== */
.sabit{position:fixed;right:16px;bottom:16px;z-index:800;display:flex;flex-direction:column;gap:12px}
.sabit a{width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:25px;box-shadow:0 12px 28px -8px rgba(11,22,32,.55);position:relative;transition:transform .2s}
.sabit a:hover{transform:scale(1.08)}
.sabit__wa{background:var(--wa)}
.sabit__tel{background:var(--mavi-600)}
.sabit a::after{content:attr(data-etiket);position:absolute;right:70px;top:50%;transform:translateY(-50%) translateX(8px);
  background:var(--murekkep);color:#fff;font-family:'Archivo',sans-serif;font-weight:700;font-size:13.5px;
  padding:9px 14px;border-radius:var(--r-s);white-space:nowrap;opacity:0;pointer-events:none;transition:all .22s}
.sabit a:hover::after{opacity:1;transform:translateY(-50%) translateX(0)}
.sabit__wa::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--wa);animation:nabiz 2.4s infinite}
@keyframes nabiz{0%{transform:scale(1);opacity:.75}80%,100%{transform:scale(1.5);opacity:0}}
@media (prefers-reduced-motion:reduce){.sabit__wa::before{animation:none;opacity:0}}
@media (max-width:640px){
  .sabit{right:14px;bottom:14px;gap:10px}
  .sabit a{width:54px;height:54px;font-size:23px}
  .sabit a::after{display:none}
}

/* ==================== BELİRME ==================== */
.bel{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.bel.gorunur{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.bel{opacity:1;transform:none;transition:none}}

/* ==================== E-KATALOG OKUYUCU ==================== */
.kat{border:1px solid var(--cizgi);border-radius:var(--r-o);overflow:hidden;background:var(--murekkep);box-shadow:var(--golge)}
.kat__govde{display:grid;grid-template-columns:158px 1fr;min-height:min(68vh,700px)}

/* --- küçük resim şeridi --- */
.kat__seritKap{background:#0F1D28;border-right:1px solid rgba(255,255,255,.09);overflow:hidden}
.kat__serit{position:relative;overflow-anchor:none;height:100%;max-height:min(68vh,700px);overflow-y:auto;padding:14px 12px;display:flex;flex-direction:column;gap:12px;
  scrollbar-width:thin;scrollbar-color:#3A4C5B transparent}
.kat__serit::-webkit-scrollbar{width:7px}
.kat__serit::-webkit-scrollbar-thumb{background:#3A4C5B;border-radius:4px}
.kat__kucuk{position:relative;padding:0;border:2px solid transparent;border-radius:3px;background:none;
  cursor:pointer;display:block;line-height:0;transition:border-color .18s,transform .18s;flex:0 0 auto}
.kat__kucuk img{width:100%;height:auto;border-radius:2px;background:#fff}
.kat__kucuk span{position:absolute;left:0;bottom:0;background:rgba(11,22,32,.85);color:#fff;
  font-family:'Archivo',sans-serif;font-weight:700;font-size:11px;padding:3px 7px;border-radius:0 3px 0 2px;line-height:1.2}
.kat__kucuk:hover{border-color:#4C6274;transform:translateY(-2px)}
.kat__kucuk.etkin{border-color:var(--mavi)}
.kat__kucuk.etkin span{background:var(--mavi-600)}

/* --- sahne --- */
.kat__sahne{position:relative;background:#0B1620;display:flex;align-items:center;justify-content:center;
  padding:20px 70px;min-height:0;overflow:hidden}
.kat__kagitlar{display:flex;align-items:center;justify-content:center;gap:0;width:100%;height:100%}
.kat__kagit{display:none;max-width:100%;max-height:min(60vh,620px);width:auto;height:auto;object-fit:contain;
  background:#fff;box-shadow:0 20px 50px -18px rgba(0,0,0,.8)}
.kat__kagit.etkin{display:block}
.kat--cift .kat__kagit.etkin{max-width:50%}

.kat__ok{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:64px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:#fff;border-radius:var(--r-s);display:flex;align-items:center;justify-content:center;
  font-size:16px;transition:background .18s,opacity .18s;z-index:2}
.kat__ok:hover:not(:disabled){background:var(--mavi-600);border-color:var(--mavi-600)}
.kat__ok:disabled{opacity:.25;cursor:default}
.kat__ok--geri{left:14px}
.kat__ok--ileri{right:14px}

/* --- alt çubuk --- */
.kat__cubuk{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:12px 16px;background:#12212E;border-top:1px solid rgba(255,255,255,.09)}
.kat__sayac{font-family:'Archivo',sans-serif;font-weight:700;font-size:13px;letter-spacing:.14em;color:#9DB0BF}
.kat__sayac b{color:#fff}
.kat__eylem{display:flex;gap:8px;flex-wrap:wrap}
.kat__dgm{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:#fff;border-radius:var(--r-s);font-family:'Archivo',sans-serif;font-weight:700;
  font-size:13.5px;transition:background .18s,border-color .18s;white-space:nowrap}
.kat__dgm:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.34)}
.kat__dgm--vurgu{background:var(--mavi-600);border-color:var(--mavi-600)}
.kat__dgm--vurgu:hover{background:var(--mavi-700);border-color:var(--mavi-700)}
.kat__dgm[data-cift="1"]{background:var(--mavi-700);border-color:var(--mavi-700)}

/* --- tam ekran --- */
.kat--tam{border-radius:0;border:0;height:100vh;display:flex;flex-direction:column}
.kat--tam .kat__govde{flex:1;min-height:0;max-height:none}
.kat--tam .kat__serit{max-height:none}
.kat--tam .kat__kagit{max-height:none;height:100%}

.kat__not{margin-top:16px;font-size:14.5px;color:var(--soluk);display:flex;align-items:flex-start;gap:10px;line-height:1.6}
.kat__not i{color:var(--mavi-600);margin-top:4px}
.kat-bos{text-align:center;padding:60px 20px;color:var(--soluk);background:var(--kagit);
  border:1px solid var(--cizgi);border-radius:var(--r-o)}
.kat-bos i{font-size:38px;color:#B4BFC9;display:block;margin-bottom:14px}
.kat-bos p{margin-bottom:18px}

@media (max-width:1000px){
  .kat__govde{grid-template-columns:112px 1fr;min-height:60vh}
  .kat__serit{max-height:60vh;padding:10px 8px;gap:9px}
  .kat__sahne{padding:16px 54px}
  .kat__kagit{max-height:54vh}
  .kat__ok{width:38px;height:54px}
}
@media (max-width:620px){
  .kat__govde{grid-template-columns:1fr;min-height:0}
  .kat__seritKap{border-right:0;border-bottom:1px solid rgba(255,255,255,.09);order:2}
  .kat__serit{flex-direction:row;max-height:none;height:auto;overflow-x:auto;overflow-y:hidden;padding:10px}
  .kat__kucuk{width:76px}
  .kat__sahne{padding:14px 46px;min-height:60vh;order:1}
  .kat__kagit{max-height:56vh}
  .kat--cift .kat__kagit.etkin{max-width:50%}
  .kat__ok{width:34px;height:48px;font-size:14px}
  .kat__ok--geri{left:6px} .kat__ok--ileri{right:6px}
  .kat__cubuk{order:3;padding:10px 12px;justify-content:center}
  .kat__dgm span{display:none}
  .kat__dgm{padding:10px 14px}
}