/* BinfordLight: Ak Alüminyum sitesindeki dosyalar (frontend/fonts/Binford-light.woff2/.woff)
   bu sayfanın yanındaki fonts/ klasörüne kopyalanmalı. Bulunamazsa Great Vibes devreye girer. */
@font-face{
  font-family:BinfordLight;
  src:url("../../fonts/Binford-light.woff2") format("woff2"),
      url("../../fonts/Binford-light.woff") format("woff"),
      url("https://www.akaluminyum.com.tr/frontend/fonts/Binford-light.woff2") format("woff2");
  font-weight:200;font-style:normal;font-display:swap;
}

:root{
  --ff:"Montserrat",sans-serif;
  --ff-script:BinfordLight,"Great Vibes",cursive;
  --white:#fff;
  --ink:#0f172a;           /* başlıklar */
  --ink-2:#1f1f1f;
  --text:#616161;          /* gövde */
  --text-2:#475569;        /* paragraf */
  --muted:#64748b;         /* eyebrow */
  --soft:#cbcccd;          /* footer metin */
  --hero:#060914;
  --card:#090f1d;
  --dark:#111827;
  --chip:#f1f5f9;
  --accent:#ea5501;        /* Ak Alüminyum turuncusu */
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--ff);font-size:18px;line-height:1.5;color:var(--text);background:#fff;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul{list-style:none}
.container{width:100%;padding:0 6vw;margin:0 auto}
.binford-text{font-family:var(--ff-script);font-weight:200;text-transform:none}

/* ---------------- HEADER ---------------- */
.hdr{position:fixed;inset:0 0 auto 0;z-index:100;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.08);transition:background .35s,padding .35s,box-shadow .35s}
.hdr.sticky{background:rgba(17,17,17,.94);padding:14px 0;box-shadow:0 0 25px rgba(0,0,0,.07);backdrop-filter:blur(6px)}
.hdr-inner{display:flex;align-items:center;padding:0 6vw}
.hdr-logo{position:relative;padding-inline-end:56px;margin-inline-end:30px}
.hdr-logo::before{content:"";position:absolute;inset-inline-end:0;top:-7px;width:1px;height:48px;background:rgba(255,255,255,.2)}
.hdr-logo img{height:44px;width:auto}
.menu{display:flex;gap:30px;margin-inline-end:auto}
.menu>li{position:relative}
.menu>li>a{display:flex;align-items:center;gap:6px;color:#fff;font-size:16px;font-weight:400;padding:12px 0;text-transform:capitalize;transition:color .25s}
.menu>li>a:hover{color:var(--accent)}
.menu>li>a .fa-chevron-down{font-size:10px}
.sub{position:absolute;top:100%;left:0;min-width:240px;background:#fff;border-radius:10px;padding:12px 0;box-shadow:0 18px 40px rgba(0,0,0,.18);opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s}
.menu>li:hover .sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:9px 22px;font-size:15px;color:var(--ink-2);transition:.25s}
.sub a:hover{color:var(--accent);padding-inline-start:28px}
.mega{min-width:620px;display:grid;grid-template-columns:repeat(2,1fr);gap:4px;padding:14px}
.mega a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px}
.mega a:hover{background:var(--chip);padding-inline-start:12px}
.mega img{width:52px;height:36px;object-fit:contain}
.mega small{display:block;font-size:12px;color:var(--muted)}
.hdr-right{display:flex;align-items:center;gap:22px;margin-inline-start:30px}
.hdr-call{color:#fff;font-size:16px;display:flex;align-items:center;gap:10px}
.hdr-call i{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);font-size:14px}
.burger{display:none;background:none;border:0;color:#fff;font-size:24px;cursor:pointer}

/* mobil menü */
.mnav{position:fixed;inset:0;z-index:200;background:#0b0f1c;color:#fff;padding:90px 28px 40px;transform:translateX(100%);transition:.4s;overflow:auto}
.mnav.open{transform:none}
.mnav .x{position:absolute;top:24px;right:24px;font-size:26px;background:none;border:0;color:#fff;cursor:pointer}
.mnav h6{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin:22px 0 8px}
.mnav a{display:block;padding:9px 0;font-size:17px;border-bottom:1px solid rgba(255,255,255,.06)}

/* ---------------- HERO / ŞİRKET WEB SİTELERİ SLIDER ---------------- */
.hero{position:relative;height:100vh;min-height:680px;background:var(--hero);overflow:hidden}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity 1.1s ease,visibility 1.1s}
.slide.active{opacity:1;visibility:visible;z-index:2}
.slide-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.15);transition:transform 7s linear}
.slide.active .slide-bg{transform:scale(1)}
.slide-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,9,20,.96) 0%,rgba(6,9,20,.82) 42%,rgba(6,9,20,.55) 100%)}
.slide-inner{position:relative;z-index:2;height:100%;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center;gap:5vw;padding:110px 6vw 90px}
.slide-txt{color:#fff}
.slide-sector{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:1.56px;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:22px}
.slide-sector::before{content:"";width:34px;height:1px;background:var(--accent)}
.slide-title{font-size:clamp(40px,4.6vw,68px);font-weight:300;line-height:1.1;text-transform:capitalize}
.slide-title .binford-text{display:block;font-size:.92em;margin-bottom:6px}
.slide-desc{font-size:17px;line-height:1.7;color:rgba(255,255,255,.78);max-width:480px;margin:26px 0 36px}
.slide-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:600;padding:14px 26px;border-radius:50px;transition:.3s;cursor:pointer;border:0;font-family:var(--ff)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--accent);color:#fff}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.slide.active .slide-txt>*{animation:fadeUp .8s both}
.slide.active .slide-txt>*:nth-child(2){animation-delay:.15s}
.slide.active .slide-txt>*:nth-child(3){animation-delay:.3s}
.slide.active .slide-txt>*:nth-child(4){animation-delay:.45s}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}

/* tarayıcı çerçevesi içinde web sitesi */
.browser{border-radius:14px;overflow:hidden;background:#0d1426;border:1px solid rgba(255,255,255,.1);box-shadow:0 40px 90px rgba(0,0,0,.55);transform:perspective(1600px) rotateY(-6deg);transition:transform .6s}
.browser:hover{transform:perspective(1600px) rotateY(0)}
.slide.active .browser{animation:fadeLeft 1s .2s both}
@keyframes fadeLeft{from{opacity:0;transform:perspective(1600px) rotateY(-6deg) translateX(60px)}to{opacity:1}}
.browser-bar{display:flex;align-items:center;gap:14px;padding:11px 16px;background:#141c30;border-bottom:1px solid rgba(255,255,255,.06)}
.dots{display:flex;gap:7px}
.dots span{width:11px;height:11px;border-radius:50%;background:#ff5f57}
.dots span:nth-child(2){background:#febc2e}.dots span:nth-child(3){background:#28c840}
.url{flex:1;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.75);font-size:13px;padding:6px 14px;border-radius:30px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.url i{font-size:11px;color:#28c840}
.url i.fa-unlock{color:rgba(255,255,255,.4)}
.browser-bar a{color:rgba(255,255,255,.6);font-size:13px}
.browser-bar a:hover{color:#fff}
.viewport{position:relative;aspect-ratio:16/10;background:#fff;overflow:hidden}
.viewport img{width:100%;height:100%;object-fit:cover;object-position:top}
.viewport iframe{position:absolute;top:0;left:0;width:1440px;height:900px;border:0;transform-origin:0 0;opacity:0;transition:opacity .6s;background:#fff}
.viewport iframe.ready{opacity:1}
.live-badge{position:absolute;right:12px;bottom:12px;z-index:3;background:rgba(6,9,20,.75);color:#fff;font-size:11px;font-weight:600;letter-spacing:.5px;padding:5px 10px;border-radius:20px;display:none;align-items:center;gap:6px}
.live-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#28c840}
.viewport.is-live .live-badge{display:inline-flex}

.hero-nav{position:absolute;z-index:5;left:6vw;right:6vw;bottom:34px;display:flex;align-items:center;gap:18px}
.hero-dots{display:flex;gap:8px;flex:1;flex-wrap:wrap}
.hero-dots button{height:4px;width:22px;border:0;border-radius:4px;background:rgba(255,255,255,.3);cursor:pointer;transition:.35s;padding:0}
.hero-dots button.on{width:56px;background:#fff}
.hero-count{color:rgba(255,255,255,.7);font-size:14px;font-weight:500;letter-spacing:1px}
.hero-count b{color:#fff;font-weight:600}
.hero-arrow{width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:none;color:#fff;cursor:pointer;transition:.3s}
.hero-arrow:hover{background:#fff;color:var(--ink)}

/* ---------------- GRUP ŞİRKETLERİ (Ak Alüminyum "Kategoriler" kartları) ---------------- */
.cat-section{padding:86px 0;background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.eyebrow{display:block;font-size:13px;font-weight:700;letter-spacing:1.56px;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.headline{font-size:clamp(28px,2.7vw,38px);font-weight:600;letter-spacing:-.01em;text-transform:uppercase;color:var(--ink);line-height:1.15}
.more-btn{display:inline-flex;align-items:center;gap:10px;background:var(--chip);color:var(--ink);font-size:14px;font-weight:600;padding:12px 24px;border-radius:50px;transition:.3s;white-space:nowrap}
.more-btn:hover{background:var(--ink);color:#fff}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cat-card{position:relative;display:block;height:440px;border-radius:16px;overflow:hidden;background:var(--card);border:1px solid rgba(255,255,255,.08);box-shadow:0 10px 30px rgba(0,0,0,.35);isolation:isolate}
.cat-card .photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.cat-card:hover .photo{transform:scale(1.08)}
.cat-card .vignette{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.15) 0%,rgba(15,23,42,.05) 30%,rgba(15,23,42,.65) 65%,rgba(15,23,42,.96) 100%)}
.cat-card .logo-chip{position:absolute;top:22px;left:22px;z-index:2;background:rgba(255,255,255,.94);border-radius:10px;padding:8px 12px;height:50px;display:flex;align-items:center}
.cat-card .logo-chip img{max-height:34px;max-width:120px;object-fit:contain}
.cat-card .since{position:absolute;top:28px;right:22px;z-index:2;font-size:11.5px;font-weight:600;letter-spacing:.6px;color:#fff;background:rgba(255,255,255,.14);backdrop-filter:blur(6px);padding:6px 12px;border-radius:30px}
.cat-body{position:absolute;inset:auto 0 0 0;z-index:2;padding:28px}
.cat-sector{font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:8px}
.cat-title{font-size:21.6px;font-weight:600;letter-spacing:-.01em;color:#fff;line-height:1.25;text-transform:capitalize}
.cat-desc{font-size:14px;line-height:1.6;color:rgba(255,255,255,.72);max-height:0;opacity:0;overflow:hidden;transition:max-height .5s,opacity .5s,margin .5s}
.cat-card:hover .cat-desc{max-height:90px;opacity:1;margin-top:10px}
.cat-action{display:flex;align-items:center;justify-content:space-between;margin-top:18px}
.cat-action span{font-size:13.5px;font-weight:600;letter-spacing:.02em;color:rgba(255,255,255,.9)}
.cat-arrow{width:36px;height:36px;border-radius:50%;background:#fff;color:var(--ink);display:grid;place-items:center;font-size:13px;box-shadow:0 4px 12px rgba(0,0,0,.3);transition:.35s}
.cat-card:hover .cat-arrow{background:var(--accent);color:#fff;transform:rotate(-45deg)}
/* 7. kart: son satırda geniş */
.cat-grid .wide{grid-column:span 2}

/* ---------------- GALERİ ŞERİDİ ---------------- */
.strip{display:flex;gap:16px;overflow:hidden;padding:0 0 86px}
.strip-track{display:flex;gap:16px;animation:marq 60s linear infinite}
.strip:hover .strip-track{animation-play-state:paused}
.strip figure{position:relative;width:340px;height:230px;flex:none;border-radius:14px;overflow:hidden}
.strip img{width:100%;height:100%;object-fit:cover}
.strip figcaption{position:absolute;left:16px;bottom:14px;color:#fff;font-size:14px;font-weight:600;text-shadow:0 2px 10px rgba(0,0,0,.6)}
@keyframes marq{to{transform:translateX(calc(-50% - 8px))}}

/* ---------------- HAKKIMIZDA (Global Tedarikte Güvenilir Ortak bölümü) ---------------- */
.about{position:relative;background:#040813;color:#fff;padding:110px 0;overflow:hidden}
.about::before{content:"";position:absolute;inset:0;background:url("https://kamerholding.com.tr/assets/images/img-09-138be17dd7.jpg") center/cover;opacity:.16}
.about .container{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:6vw;align-items:center}
.about .eyebrow{color:rgba(255,255,255,.55)}
.about h2{font-size:clamp(30px,3vw,44px);font-weight:300;line-height:1.15;margin-bottom:28px}
.about h2 .binford-text{display:block;font-size:1.05em}
.about p{font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.75);margin-bottom:18px}
.about p b{color:#fff;font-weight:600}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.stat{border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:30px 28px;background:rgba(255,255,255,.03);backdrop-filter:blur(4px)}
.stat strong{display:block;font-size:48px;font-weight:300;line-height:1;color:#fff;margin-bottom:12px}
.stat span{font-size:14px;line-height:1.5;color:rgba(255,255,255,.65)}

/* ---------------- DEĞERLER ---------------- */
.values{padding:96px 0;background:#f7f7f7}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.value{background:#fff;border-radius:16px;padding:30px 26px;border:1px solid rgba(0,0,0,.05);transition:.35s}
.value:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(15,23,42,.08)}
.value>i{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--ink);color:#fff;font-size:20px;margin-bottom:22px}
.value h5{font-size:18px;font-weight:700;color:var(--ink-2);margin-bottom:8px}
.value p{font-size:14.5px;line-height:1.75;color:var(--text-2)}
.value.cta{background:var(--ink);color:#fff;display:flex;flex-direction:column;justify-content:space-between}
.value.cta h5{color:#fff;font-size:22px;font-weight:300;line-height:1.3}
.value.cta h5 .binford-text{display:block;font-size:1.4em}

/* ---------------- FOOTER ---------------- */
.ftr{position:relative;background:#070b17;color:var(--soft);padding:70px 0 0;overflow:hidden}
.ftr::before{content:"";position:absolute;inset:0;background:radial-gradient(1200px 500px at 85% 110%,rgba(234,85,1,.09),transparent 60%),radial-gradient(900px 400px at 0% 0%,rgba(20,85,170,.12),transparent 60%)}
.ftr .container{position:relative}
.ftr-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:50px}
.ftr-logo img{height:52px;width:auto}
.ftr-about{font-size:14.5px;line-height:1.8;margin:22px 0}
.social{display:flex;gap:10px}
.social a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.12);color:#fff;font-size:14px;transition:.3s}
.social a:hover{background:var(--accent);border-color:var(--accent)}
.ftr h2{font-size:18px;font-weight:600;color:#fff;text-transform:capitalize;letter-spacing:-.01em;margin-bottom:22px}
.ftr li{margin-bottom:11px}
.ftr li a{font-size:14.5px;font-weight:500;transition:.35s;position:relative}
.ftr li a:hover{color:var(--accent);padding-inline-start:16px}
.ftr li a::before{content:"\f105";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;opacity:0;transition:.35s}
.ftr li a:hover::before{opacity:1}
.ftr-contact li{display:flex;gap:12px;font-size:14.5px;line-height:1.65}
.ftr-contact i{color:#fff;margin-top:5px;width:14px}
.ftr-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;display:flex;justify-content:space-between;gap:20px;font-size:13.5px;flex-wrap:wrap}
.ftr-bottom a:hover{color:#fff}
.to-top{position:fixed;right:22px;bottom:22px;z-index:90;width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.9);color:var(--ink);box-shadow:0 6px 20px rgba(0,0,0,.2);cursor:pointer;opacity:0;visibility:hidden;transition:.3s}
.to-top.show{opacity:1;visibility:visible}

/* reveal */
.rv{opacity:0;transform:translateY(40px);transition:opacity .8s,transform .8s}
.rv.in{opacity:1;transform:none}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width:1280px){
  .menu{gap:20px}.menu>li>a{font-size:15px}
  .hdr-call span{display:none}
}
@media (max-width:1100px){
  .menu,.hdr-call{display:none}
  .burger{display:block}
  .hdr-logo::before{display:none}
  .hdr-inner{justify-content:space-between}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid .wide{grid-column:span 2}
  .values-grid{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .about .container{grid-template-columns:1fr}
}
@media (max-width:900px){
  .hero{height:auto;min-height:100vh}
  .slide{position:relative;display:none}
  .slide.active{display:block}
  .slide-inner{grid-template-columns:1fr;padding:120px 16px 110px;gap:40px}
  .browser{transform:none}
  .hero-nav{left:16px;right:16px}
  .container,.hdr-inner{padding:0 16px}
}
@media (max-width:640px){
  .cat-grid,.values-grid,.ftr-grid,.stats{grid-template-columns:1fr}
  .cat-grid .wide{grid-column:auto}
  .cat-card{height:380px}
  .sec-head{flex-direction:column;align-items:flex-start}
  .strip figure{width:250px;height:170px}
  .slide-desc{font-size:15.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}