/* ============================================================
   AIRFRESH — tasarım tokenları ve temel ayarlar
   ============================================================ */
@font-face{
  font-family:'Inter';
  font-style:normal;
  font-weight:100 900;
  font-display:swap;
  src:url('../fonts/InterVariable.woff2') format('woff2');
}
:root{
  --ink:#142433;
  --navy:#101e2b;
  --blue:#1268ad;
  --blue-soft:#77b9e7;
  --light:#edf2f5;
  --muted:#62717b;
  --line:#dce3e8;
  --white:#fff;
  --header-height:88px;   /* dar ekranda media sorguları küçültür */
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 22px)}
body{
  margin:0;color:var(--ink);background:#fff;
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:16px;line-height:1.6;
  font-optical-sizing:auto;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
svg{display:block}
button,a{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #40a4df;outline-offset:4px}
input:focus-visible,select:focus-visible,textarea:focus-visible{border-color:var(--blue)}
::selection{background:var(--blue);color:#fff}
h1,h2,h3,p{overflow-wrap:break-word}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}

.container{width:90%;max-width:1280px;margin-inline:auto}
.skip{position:fixed;left:20px;top:-80px;background:#fff;z-index:100;padding:12px 18px}
.skip:focus{top:10px}

/* ============================================================
   Üst bar + header + navigasyon
   ============================================================ */
header{position:sticky;top:0;z-index:40;background-color:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:var(--header-height)}
.brand{width:254px;flex:none;background-color:#fff}
.brand img{width:100%;height:auto;background-color:#fff}
nav{display:flex;align-items:center;gap:clamp(16px,2vw,32px);font-size:14px;font-weight:600}
nav>a{position:relative;padding-block:14px;white-space:nowrap}
nav>a::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;
  background:var(--blue);transform:scaleX(0);transform-origin:left;
  transition:transform .28s ease;
}
nav>a:hover{color:var(--blue)}
nav>a:hover::after{transform:scaleX(1)}
.nav-contact{border:1px solid #bdccd6;padding:12px 20px;transition:background .2s,border-color .2s,color .2s}
.nav-contact:hover{color:#fff;background:var(--navy);border-color:var(--navy)}
.menu-meta,.menu-toggle{display:none}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.language-options{display:flex;align-items:center;gap:3px;padding:2px;border:1px solid #dde6ec;background:#f7fafc;border-radius:13px}
.language-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:36px;min-height:42px;padding:5px 3px;border:0;border-radius:9px;background:transparent;color:#586e7d;transition:background .2s,transform .2s,color .2s}
.language-button svg{display:block;width:23px;height:14px;overflow:hidden;border-radius:2px;box-shadow:0 0 0 1px #0c223117}
.language-button>span{font-size:10px;font-weight:700;line-height:1;letter-spacing:.08em}
.language-button:hover,.language-button:focus-visible{background:#e5eff5;color:#1268ad}
.language-button:active{transform:scale(.93)}

/* ============================================================
   Video hero — scroll ile ilerleyen iklimlendirme anlatısı
   ============================================================ */
.climate-story{background:#101e2b;color:#fff;position:relative}
.climate-stage{
  height:calc(100vh - var(--header-height));
  height:calc(100svh - var(--header-height));
  min-height:580px;position:relative;overflow:hidden;isolation:isolate;background:#101e2b;
  background-image:url("../video/baku001-first-frame.jpg");
  background-position:center;background-size:cover;background-repeat:no-repeat;
}
#climate-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:1;filter:saturate(.85);pointer-events:none}
.climate-play{position:absolute;right:5%;top:65px;z-index:3;padding:10px 16px;border:1px solid #ffffff80;border-radius:24px;background:#101e2bcc;color:#fff;font:inherit;cursor:pointer}
.climate-play[hidden]{display:none}
.climate-shade{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(5,20,31,.85) 0%,rgba(8,27,39,.58) 48%,rgba(8,27,39,.13) 100%),
             linear-gradient(0deg,rgba(5,20,31,.65),transparent 30%,transparent 75%,rgba(5,20,31,.28));
}
.climate-top{position:absolute;left:5%;right:5%;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:11px;letter-spacing:.14em;font-weight:600}
.climate-top{top:30px;color:#d0dce1}
.climate-top i{display:inline-block;width:7px;height:7px;background:#8fc7e8;border-radius:50%;margin-right:10px;box-shadow:0 0 18px #77b9e788}
.climate-scenes{position:relative;height:100%}
.climate-scene{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;visibility:hidden;opacity:0;padding:90px 0 110px;max-width:850px;pointer-events:none}
.climate-scene.is-first{visibility:visible;opacity:1;pointer-events:auto}
.climate-kicker{font-size:12px;letter-spacing:.15em;font-weight:650;color:#bad5e3}
.climate-scene h1,.climate-scene h2{font-size:clamp(51px,6.8vw,102px);line-height:1.04;font-weight:540;letter-spacing:-.05em;margin:27px 0 25px;text-shadow:0 2px 18px rgba(0,0,0,.14)}
.climate-scene em{font-style:normal;color:#a4d5ed}
.climate-scene p{font-size:clamp(15px,1.2vw,18px);line-height:1.8;color:#d2dee5;max-width:580px;margin:0}
.climate-link{display:inline-flex;gap:40px;align-items:center;border-bottom:1px solid #a6bdca80;padding:12px 0;font-size:13px;font-weight:600;margin-top:24px;transition:color .2s}
.climate-link span{font-size:22px;color:#a4d5ed;transition:transform .3s ease}
.climate-link:hover{color:#a4d5ed}
.climate-link:hover span{transform:translate(4px,-4px)}
.climate-scroll{position:absolute;left:50%;bottom:43px;transform:translateX(-50%);display:flex;align-items:center;gap:1.2em;font-size:16px;color:#fff;white-space:nowrap;text-shadow:0 1px 10px rgba(5,20,31,.55);z-index:1}
.scroll-mark{height:3.1em;width:1.8em;border:1px solid rgba(255,255,255,.9);border-radius:1.4em;position:relative;flex-shrink:0}
.scroll-mark::after{content:'';position:absolute;width:.18em;height:.73em;top:.64em;left:.81em;background:#fff;animation:scroll-cue 2s ease-in-out infinite}
@keyframes scroll-cue{0%,100%{transform:translateY(0);opacity:.4}50%{transform:translateY(8px);opacity:1}}
.climate-chapters{position:absolute;left:5%;bottom:53px;display:flex;gap:26px;font-size:11px;font-weight:600;letter-spacing:.14em}
.climate-chapters span{position:relative;color:#9db0b9;transition:color .3s}
.climate-chapters span::before{content:'';position:absolute;left:0;right:0;top:-12px;height:2px;background:#a4d5ed;transform:scaleX(0);transform-origin:left;transition:transform .35s}
.climate-chapters .active{color:white}
.climate-chapters .active::before{transform:scaleX(1)}
.climate-progress{position:absolute;bottom:0;left:0;right:0;height:3px;background:#ffffff14}
.climate-progress span{display:block;width:100%;height:100%;background:#8ac7e9;transform:scaleX(0);transform-origin:left}
/* Hareket azaltılmış / GSAP yoksa: sahneler alt alta, okunur durumda */
.static-story .climate-stage{height:auto;min-height:0}
.static-story .climate-scroll{display:none}
.static-story #climate-video{display:none}
.static-story .climate-scenes{padding:110px 0 150px}
.static-story .climate-scene{position:relative;inset:auto;opacity:1;visibility:visible;pointer-events:auto;padding:35px 0;transform:none!important}
.static-story .climate-scene:not(.is-first){border-top:1px solid #ffffff33}
.static-story .climate-scene h2{font-size:clamp(35px,5vw,65px)}
.static-story .climate-chapters{display:none}

/* ============================================================
   Hero — navy metin bloğu + ürün görseli
   ============================================================ */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:650px}
.hero-copy{grid-column:1/-1}

/* Ürün vitrini — referanslardan sonra tek başına duran Sintesis kartı */
.visual-showcase{padding-bottom:14px}
.visual-showcase .container{max-width:960px}
.visual-showcase .hero-visual{padding:clamp(24px,3vw,44px)}
.hero-copy{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:74px clamp(38px,5.5vw,110px) 42px max(5vw,calc((100% - 1280px)/2));display:flex;flex-direction:column;justify-content:center}
.hero-copy::before{content:"";position:absolute;width:580px;height:580px;border:1px solid rgba(130,169,193,.08);border-radius:50%;top:-310px;right:-290px;box-shadow:0 0 0 70px rgba(130,169,193,.025),0 0 0 140px rgba(130,169,193,.02);pointer-events:none}
.hero-copy>*{position:relative}
.eyebrow{display:block;font-size:12px;font-weight:700;letter-spacing:.13em;line-height:1.5}
.eyebrow i{display:inline-block;width:21px;height:2px;background:var(--blue-soft);vertical-align:middle;margin-right:10px}
.blue{color:var(--blue)}
h1 em,h2 em{font-style:normal;color:var(--blue-soft)}
h1,.hero-title{font-size:clamp(50px,5.1vw,82px);font-weight:570;letter-spacing:-.05em;line-height:1.05;margin:35px 0 26px}
.hero-copy p{color:#b8cad8;max-width:455px;font-size:17px;line-height:1.75;margin:0}
.actions{display:flex;gap:26px;align-items:center;flex-wrap:wrap;margin-top:36px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:13px 23px;border:1px solid transparent;font-size:14px;font-weight:700;transition:transform .25s,background .25s,color .25s,border-color .25s}
.button:hover{transform:translateY(-3px)}
.primary{background:var(--blue);color:#fff}
.primary:hover{background:#0c558f}
.text-link{font-size:14px;font-weight:600;border-bottom:1px solid #8198a9;padding-block:10px;transition:color .2s,border-color .2s}
.text-link:hover{color:#fff;border-color:#fff}
.hero-bottom{display:flex;gap:20px;align-items:baseline;color:#93aab9;margin-top:66px;padding-top:18px;border-top:1px solid #354859;font-size:12px}
.hero-bottom span:first-child{color:#fff;letter-spacing:.1em;white-space:nowrap}
.hero-visual{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-width:0;background:#e5ebf0;padding:32px clamp(24px,3vw,48px) 38px;overflow:hidden}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(130deg,rgba(255,255,255,.35),transparent 50%);pointer-events:none}
.visual-top,.visual-bottom{position:relative;z-index:1}
.visual-top{display:flex;justify-content:space-between;gap:15px;font-size:12px;font-weight:600;letter-spacing:.12em;color:#617589}
.hero-visual>img{display:block;position:relative;z-index:1;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;flex:0 1 auto;mix-blend-mode:multiply;filter:contrast(1.035);margin:auto 0}
.visual-bottom{display:flex;align-items:end;justify-content:space-between;gap:14px;border-top:1px solid #cbd6de;padding-top:20px}
.visual-bottom small{display:block;font-size:12px;font-weight:600;letter-spacing:.12em;color:#6a7f90}
.visual-bottom h2{font-size:28px;font-weight:500;letter-spacing:-.04em;line-height:1.2;margin:5px 0 0}
.visual-stamp{color:#cf4a34;font-size:22px;font-weight:900;font-style:italic;letter-spacing:-.07em;white-space:nowrap}
.visual-line{position:absolute;bottom:0;left:clamp(24px,3vw,48px);height:4px;width:28%;background:var(--blue)}

/* ============================================================
   Uzmanlık şeridi + bölüm başlıkları
   ============================================================ */
.expertise-strip{border-bottom:1px solid var(--line);background:#fff}
.expertise-strip .container{display:grid;grid-template-columns:1.45fr repeat(4,1fr);align-items:stretch}
.expertise-strip span{display:flex;align-items:center;gap:10px;padding:22px 12px;border-right:1px solid var(--line);font-size:13px;font-weight:600;line-height:1.3}
.expertise-strip span:first-child{padding-left:0;color:var(--muted);font-size:12px;letter-spacing:.12em}
.expertise-strip span:last-child{border-right:0}
.expertise-strip b{font-size:12px;color:var(--blue);letter-spacing:.04em}

.section{padding-block:110px}
h2{font-size:clamp(33px,3.4vw,50px);font-weight:560;letter-spacing:-.042em;line-height:1.14;margin:18px 0 0}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:48px;margin-bottom:46px}
.section-heading>div{max-width:760px}
.section-heading>p{max-width:340px;color:var(--muted);font-size:16px;line-height:1.7;margin:0 0 3px}

/* ============================================================
   Çözümler kartları
   ============================================================ */
.solution-grid,.project-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.solution-card{display:flex;flex-direction:column;border:1px solid var(--line);padding:27px;min-width:0;transition:border-color .25s,transform .3s,box-shadow .3s}
.solution-card:hover{border-color:#86a9c2;transform:translateY(-4px);box-shadow:0 18px 38px rgba(15,39,61,.08)}
.card-index{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--blue)}
.product-image{display:grid;place-items:center;aspect-ratio:16/10;min-height:0;overflow:hidden;background:#e6edf2;margin:26px 0}
.product-image img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .4s ease}
.solution-card:hover .product-image img{transform:scale(1.055)}
h3{font-size:23px;font-weight:550;letter-spacing:-.03em;line-height:1.23;margin:0 0 12px}
.solution-card p{color:var(--muted);font-size:15px;line-height:1.7;margin:0 0 28px}
.detail-link{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;margin-top:auto;padding:17px 0 0;border:0;border-top:1px solid var(--line);background:transparent;text-align:left;color:var(--ink);font-size:14px;font-weight:700;transition:color .2s}
.detail-link span{display:grid;place-items:center;width:25px;height:25px;color:var(--blue);font-size:24px;font-weight:400;transition:transform .25s}
.detail-link:hover{color:var(--blue)}
.detail-link:hover span{transform:rotate(90deg)}

/* ============================================================
   Servis bölümü
   ============================================================ */
.service-section{padding-block:90px;background:#f0f4f7}
.service-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1fr);gap:clamp(45px,6vw,90px);align-items:center}
.service-visual{position:relative;min-width:0;height:100%;min-height:600px;overflow:hidden;background:#12304c}
.service-visual>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:brightness(.86)}
.service-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 35%,#0a1a2be8)}
.service-caption{position:absolute;z-index:1;bottom:38px;left:36px;right:30px;color:#fff}
.service-caption>span{font-size:12px;font-weight:700;letter-spacing:.15em}
.service-caption strong{display:block;font-size:clamp(30px,3vw,45px);font-weight:550;letter-spacing:-.04em;line-height:1.12;margin-top:18px}
.service-copy>p{color:var(--muted);font-size:16px;line-height:1.75;margin:23px 0 28px}
.service-list{margin-bottom:30px}
.service-list details{border-bottom:1px solid #cdd9e1}
.service-list summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:15px;padding:18px 0;cursor:pointer;font-size:16px;font-weight:600}
.service-list summary::-webkit-details-marker{display:none}
.service-list b{font-size:12px;font-weight:700;color:var(--blue);margin-right:17px}
.plus{font-size:24px;font-weight:400;color:var(--blue);transition:transform .25s}
.service-list details[open] .plus{transform:rotate(45deg)}
.service-list details p{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 20px 33px;max-width:460px}

/* ============================================================
   Referanslar
   ============================================================ */
.project-card{position:relative;display:flex;flex-direction:column;min-width:0;overflow:hidden;background:#f2f5f7;border:1px solid #ecf0f2;padding:28px;transition:background .25s,transform .25s}
.project-card:hover{background:#e9f1f6;transform:translateY(-4px)}
.project-card:nth-child(2){background:#eaf0f4}
.project-card:nth-child(3){background:#e3edf4}
.project-top{display:flex;justify-content:space-between;gap:10px;color:#617789;font-size:12px;font-weight:700;letter-spacing:.07em}
.project-photo{margin:22px -28px 0;aspect-ratio:16/7;overflow:hidden;background:#dde7ed}
.project-photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.project-card:hover .project-photo img{transform:scale(1.045)}
.project-no{display:block;color:#bbccda;font-size:clamp(80px,7vw,112px);font-weight:400;letter-spacing:-.1em;line-height:1;margin:28px 0 16px}
.project-card h3{font-size:clamp(26px,2.3vw,34px);line-height:1.1}
.project-equipment{display:flex;align-items:center;gap:20px;margin:38px 0 30px}
.project-equipment strong{font-size:38px;font-weight:550;line-height:1;white-space:nowrap}
.project-equipment small{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-top:5px}
.project-equipment>span{border-left:1px solid #b9cbd8;padding-left:18px;font-size:13px;line-height:1.65;color:#4e6374}
.project-card .detail-link{border-color:#c4d3dd}

/* ============================================================
   Hakkımızda
   ============================================================ */
.about-section{padding:92px 0 45px;background:var(--navy);color:#fff}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.about-grid h2{max-width:590px}
.about-grid>div>p{color:#acc0cf;font-size:16px;line-height:1.75;margin:0 0 22px}
.about-grid>div>p.about-lead{font-size:22px;line-height:1.45;color:#fff;letter-spacing:-.025em}
.about-facts{display:flex;justify-content:space-between;gap:16px;border-top:1px solid #385062;padding-top:28px;margin-top:35px}
.about-facts strong{display:block;color:var(--blue-soft);font-size:32px;font-weight:500;line-height:1.15}
.about-facts span{display:block;font-size:12px;color:#adbdc9;margin-top:7px}
.sectors{display:flex;gap:50px;align-items:baseline;border-top:1px solid #385062;margin-top:75px;padding-top:24px}
.sectors>span{white-space:nowrap;color:#a7bbc9;font-size:12px;font-weight:700;letter-spacing:.12em}
.sectors p{font-size:14px;line-height:1.9;margin:0}
.sectors i{font-style:normal;color:#57758a;margin-inline:12px}

/* ============================================================
   İletişim + konum
   ============================================================ */
.contact-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(45px,7vw,110px);padding-bottom:75px}
.contact-intro>p{max-width:370px;color:var(--muted);line-height:1.75;margin:25px 0}
.contact-phone{display:block;font-size:clamp(27px,2.7vw,36px);font-weight:560;letter-spacing:-.04em;margin:33px 0 5px;line-height:1.25}
.contact-phone:hover,.contact-email:hover{color:var(--blue)}
.contact-email{display:inline-block;color:var(--blue);border-bottom:1px solid #bdd5e5;font-size:16px}
.contact-intro address{font-style:normal;color:var(--muted);font-size:14px;line-height:1.7;margin-top:30px}
.map-link{display:inline-flex;align-items:center;gap:22px;margin-top:15px;padding-bottom:5px;border-bottom:1px solid #9cabb6;color:var(--ink);font-size:14px;font-weight:700}
.map-link span{color:var(--blue);font-size:22px;line-height:1;transition:transform .25s}
.map-link:hover{color:var(--blue)}
.map-link:hover span{transform:rotate(90deg)}
.contact-form-wrap{background:#f1f5f7;padding:40px}
.contact-form-wrap h3{font-size:25px;margin-bottom:25px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
form label{display:block;margin-bottom:17px;font-size:13px;font-weight:700}
input,select,textarea{display:block;width:100%;min-width:0;border:1px solid #cbd7df;border-radius:0;background:#fff;color:var(--ink);padding:12px;margin-top:7px;font-size:16px}
textarea{resize:vertical}
.form-note{color:var(--muted);font-size:13px;line-height:1.6;margin:14px 0 0}
#form-status{font-size:13px;color:var(--blue);margin:0}
#form-status:not(:empty){margin-top:14px}

.location-section{padding-bottom:110px}
.location-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;border-top:1px solid var(--line);padding-top:30px;margin-bottom:22px}
.location-heading h2{font-size:clamp(27px,2.6vw,40px);margin-top:10px}
.map-button{border-color:var(--ink);white-space:nowrap}
.map-button:hover{background:var(--ink);color:#fff}
.map-frame{position:relative;height:430px;background:#e8eef3;border:1px solid var(--line);overflow:hidden}
.map-frame iframe{display:block;width:100%;height:100%;border:0}
.map-address{color:var(--muted);font-size:13px;margin:12px 0 0}

/* ============================================================
   Footer + sabit kontroller (yukarı dön, WhatsApp)
   ============================================================ */
footer{background:#0b1721;color:#a0b2c0;font-size:13px}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr auto;gap:clamp(32px,5vw,72px);align-items:start;padding:48px 0 40px}
.footer-brand strong{display:block;color:#fff;font-size:24px;letter-spacing:.05em}
.footer-brand p{color:#7e93a3;font-size:13px;line-height:1.75;margin:14px 0 0;max-width:360px}
.footer-title{display:block;font-size:12px;font-weight:700;letter-spacing:.14em;color:#64808f;margin-bottom:14px}
.footer-col a{display:block;padding:4px 0;transition:color .2s}
.footer-col address{font-style:normal;line-height:1.75;color:#7e93a3;margin-top:2px}
.footer-bottom{display:flex;align-items:center;gap:16px 28px;flex-wrap:wrap;border-top:1px solid #ffffff14;padding:20px 0 26px;font-size:13px}
.footer-bottom>span{margin-right:auto;color:#7e93a3}
.footer-credit{margin:0;color:#66808f}
.footer-credit a{color:#c9d6df;font-weight:600;letter-spacing:.1em;transition:color .2s}
footer a:hover{color:#fff}
.footer-credit a:hover{color:var(--blue-soft)}

.back-to-top{
  position:fixed;z-index:35;
  right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));
  display:grid;place-items:center;width:52px;height:52px;padding:0;
  border:1px solid #d3e1e9;border-radius:50%;background:#fff;color:var(--navy);
  box-shadow:0 8px 28px #0d29332b;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .25s,visibility .25s,transform .25s,background .25s,color .25s;
}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--blue);color:#fff}
.back-to-top svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s}
.back-to-top:hover>svg:not(.top-progress){transform:translateY(-3px)}
.back-to-top .top-progress{position:absolute;left:50%;top:50%;width:calc(100% - 10px);height:calc(100% - 10px);transform:translate(-50%,-50%) rotate(-90deg);color:var(--blue);pointer-events:none}
.top-progress circle{fill:none;stroke:currentColor;stroke-width:1.6;stroke-dasharray:126;stroke-dashoffset:calc(126 - 126 * var(--page-progress,0));transition:stroke-dashoffset .15s linear}

.whatsapp-float{
  position:fixed;z-index:35;
  right:max(18px,env(safe-area-inset-right));bottom:calc(84px + env(safe-area-inset-bottom,0px));
  width:52px;height:52px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.7);border-radius:50%;background:#128c4a;color:#fff;
  box-shadow:0 8px 28px rgba(0,40,20,.22);
  transition:background .2s,transform .25s,box-shadow .25s;
}
.whatsapp-float svg{width:27px;height:27px;display:block}
.whatsapp-float:hover{background:#087439;transform:translateY(-3px);box-shadow:0 12px 28px rgba(0,40,20,.28)}
body.menu-open .whatsapp-float{visibility:hidden;pointer-events:none}

/* ============================================================
   Kart içi detay paneli (popup yerine satır içi açılım)
   ============================================================ */
.card-more{margin-top:auto}
.card-more summary{list-style:none;cursor:pointer}
.card-more summary::-webkit-details-marker{display:none}
.card-more[open] .detail-link span{transform:rotate(45deg)}
.card-more[open] .detail-link{color:var(--blue)}
.card-more-body{padding-top:14px}
.card-more-body p{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 10px}
.card-more-body ul{margin:0;padding:0;list-style:none}
.card-more-body li{position:relative;padding:7px 0 7px 20px;color:var(--muted);font-size:14px;line-height:1.6;border-top:1px solid #eef2f5}
.card-more-body li::before{content:"";position:absolute;left:2px;top:15px;width:7px;height:2px;background:var(--blue)}
.project-card .card-more-body li{border-color:#d7e2ea}

/* Menü düğmesinin dönen ışık halkası için animasyonlu açı değişkeni
   (@property desteklemeyen tarayıcılarda halka sabit renkte kalır) */
@property --menu-spin{syntax:'<angle>';inherits:false;initial-value:0deg}

/* ============================================================
   Medya sorguları
   ============================================================ */
@media(min-width:1600px){
  .climate-top,.climate-chapters{left:max(5%,calc((100vw - 1280px)/2));right:max(5%,calc((100vw - 1280px)/2))}
}

@media(max-width:1100px){
  .brand{width:215px}
  nav{gap:17px}
  nav>a{font-size:13px}
  .hero-copy{padding-inline:5vw 4vw}
  h1,.hero-title{font-size:clamp(42px,5vw,62px)}
  .hero-bottom{flex-wrap:wrap;gap:5px 14px}
  .service-grid,.about-grid{gap:40px}
  .service-visual{min-height:560px}
  .project-card{padding:23px}
  .project-photo{margin:20px -23px 0}
  .project-top{flex-direction:column;gap:3px}
  .project-equipment{gap:12px}
  .project-equipment>span{padding-left:12px}
  .contact-section{gap:45px}
}

@media(max-width:1000px){
  :root{--header-height:74px}
  .header-inner{min-height:var(--header-height);gap:12px}
  .brand{width:210px;max-width:calc(100% - 145px)}
  .header-actions{gap:9px}
  .contact-email{max-width:100%;overflow-wrap:anywhere;word-break:break-word}

  /* --- Menü düğmesi: hamburger -> X dönüşümü --- */
  .menu-toggle{
    position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;
    flex:none;width:48px;height:48px;padding:0;
    border:1px solid #c8dce8;border-radius:15px;
    background:linear-gradient(145deg,#fff,#e9f2f7);
    box-shadow:inset 0 1px 0 #fff,0 3px 10px #173d5710;
    transition:background .35s ease,border-color .3s,box-shadow .3s,transform .5s cubic-bezier(.22,1,.36,1);
    animation:menu-halo 3.4s ease-in-out 1.5s infinite;
  }
  .menu-toggle:hover{border-color:#82b7d7;box-shadow:inset 0 1px 0 #fff,0 4px 15px #1268ad18}
  body:not(.menu-open) .menu-toggle:active{transform:scale(.92)}
  .menu-toggle span{
    position:absolute;left:13px;width:22px;height:2px;margin:0;border-radius:2px;
    background:#163347;box-shadow:0 1px 0 #ffffff90;
    transition:transform .55s cubic-bezier(.68,-.35,.26,1.35),opacity .25s ease,width .3s ease,background .3s;
  }
  .menu-toggle span:nth-child(1){top:15px}
  .menu-toggle span:nth-child(2){top:22px;width:16px;transition:transform .4s cubic-bezier(.22,1,.36,1),opacity .22s ease .05s,width .3s ease,background .3s}
  .menu-toggle span:nth-child(3){top:29px}
  .menu-toggle:hover span:nth-child(2){width:22px}
  /* Dönen ışık halkası: buton kenarında maske ile halka şeklinde conic-gradient */
  .menu-toggle::before{
    content:"";position:absolute;inset:-3px;padding:3px;border-radius:18px;z-index:-1;
    background:conic-gradient(from var(--menu-spin),
      transparent 0deg,rgba(119,185,231,.95) 55deg,rgba(18,104,173,.9) 95deg,transparent 150deg,
      transparent 185deg,rgba(143,199,232,.65) 235deg,transparent 290deg);
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
    -webkit-mask-composite:xor;
    mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
    mask-composite:exclude;
    opacity:0;
    transition:opacity .3s ease;
    animation:menu-spin 3.4s linear 1.5s infinite,menu-ring-pulse 2.6s ease-in-out 1.5s infinite,menu-ring-in .6s ease 1.5s forwards;
  }
  .menu-toggle[aria-expanded="true"]{
    transform:rotate(90deg);
    background:linear-gradient(145deg,#19364b,#101e2b);
    border-color:#101e2b;box-shadow:0 4px 15px #101e2b26;
    animation:none;
  }
  .menu-toggle[aria-expanded="true"]::before{animation:none;opacity:0}
  .menu-toggle[aria-expanded="true"] span{background:#fff;box-shadow:none}
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;transform:translateX(-14px)}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  /* --- Açılır menü paneli --- */
  nav{
    position:absolute;display:flex;flex-direction:column;align-items:stretch;gap:0;
    top:100%;left:0;right:0;
    max-height:calc(100vh - var(--header-height));
    max-height:calc(100dvh - var(--header-height));
    overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
    padding:22px 5% 28px;padding-bottom:max(28px,env(safe-area-inset-bottom));
    background:#fff;border-top:1px solid var(--line);box-shadow:0 28px 45px #091e3020;
    opacity:0;visibility:hidden;transform:translateY(-12px);pointer-events:none;
    transition:opacity .3s,visibility .3s,transform .3s;
  }
  nav.open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
  nav>a{font-size:clamp(23px,5.5vw,34px);font-weight:550;letter-spacing:-.045em;padding:12px 0;border-bottom:1px solid var(--line);white-space:normal;opacity:0;transform:translateY(12px);transition:opacity .3s,transform .3s,color .2s}
  nav.open>a{opacity:1;transform:translateY(0)}
  nav.open>a:nth-child(1){transition-delay:.03s}
  nav.open>a:nth-child(2){transition-delay:.07s}
  nav.open>a:nth-child(3){transition-delay:.11s}
  nav.open>a:nth-child(4){transition-delay:.15s}
  nav.open>a:nth-child(5){transition-delay:.19s}
  nav>a::after{display:none}
  .nav-contact{margin-top:16px;padding:12px 18px;background:var(--blue);border:0;color:#fff;text-align:center;font-size:16px}
  .nav-contact:hover{background:#0c558f;color:#fff}
  .menu-meta{display:flex;justify-content:space-between;gap:12px;margin-top:30px;font-size:12px;color:var(--muted);letter-spacing:.07em;flex-wrap:wrap}
  .menu-meta a{text-decoration:underline}

  /* --- Video hero --- */
  .climate-stage{min-height:640px}
  .climate-top{top:23px;font-size:10px}
  .climate-top>span:last-child{display:none}
  .climate-scene{justify-content:flex-end;padding:110px 0 180px;max-width:100%}
  .climate-scene h1,.climate-scene h2{font-size:clamp(42px,9.5vw,72px);margin:24px 0}
  .climate-scene p{max-width:520px;font-size:15px}
  .climate-scene p br{display:none}
  .climate-kicker{font-size:10px;letter-spacing:.12em}
  .climate-scroll{top:auto;bottom:70px;transform:translateX(-50%);flex-direction:column;gap:.8em;font-size:15px;letter-spacing:.12em}
  .climate-chapters{position:absolute;left:5%;right:env(safe-area-inset-right,0px);top:56px;bottom:auto;gap:22px;font-size:9px;flex-wrap:wrap;column-gap:16px;row-gap:12px;line-height:1.5}
  .climate-shade{background:linear-gradient(0deg,rgba(5,20,31,.74) 0%,rgba(5,20,31,.34) 34%,rgba(5,20,31,.08) 62%,rgba(5,20,31,0) 85%)}
  #climate-video{filter:saturate(1)}
  .climate-link{margin-top:16px}

  /* --- Bölümler --- */
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-copy{padding:44px 5vw 28px}
  .eyebrow{font-size:12px;letter-spacing:.1em}
  h1,.hero-title{font-size:clamp(44px,10vw,69px);margin:25px 0 22px}
  .hero-copy p{font-size:16px;line-height:1.7}
  .actions{gap:16px 22px;margin-top:27px}
  .hero-bottom{margin-top:38px;padding-top:16px;font-size:12px}
  .hero-visual{min-height:0;padding:23px 5vw 30px}
  .visual-showcase .hero-visual{padding:22px 22px 28px}
  .visual-top{font-size:11px;letter-spacing:.1em}
  .hero-visual>img{width:100%;height:auto;aspect-ratio:16/9;max-height:none;flex:none;margin:18px 0}
  .visual-bottom{padding-top:15px}
  .visual-bottom small{font-size:11px}
  .visual-bottom h2{font-size:23px}
  .visual-stamp{font-size:17px}
  .visual-line{left:5%;width:25%}
  .expertise-strip .container{grid-template-columns:repeat(2,minmax(0,1fr))}
  .expertise-strip span{padding:14px 9px;font-size:12px;border-bottom:1px solid var(--line)}
  .expertise-strip span:first-child{grid-column:1/-1;padding:13px 0;font-size:11px}
  .expertise-strip span:nth-child(3),.expertise-strip span:nth-child(5){border-right:0}
  .expertise-strip span:nth-child(4),.expertise-strip span:nth-child(5){border-bottom:0}
  .section{padding-block:68px}
  .section-heading{display:block;margin-bottom:30px}
  .section-heading h2 br{display:none}
  .section-heading>p{max-width:600px;margin:19px 0 0}
  .solution-grid,.project-grid{grid-template-columns:1fr;gap:16px}
  .solution-card{padding:22px}
  .product-image{aspect-ratio:16/9;margin:20px 0}
  .solution-card h3{font-size:23px}
  .solution-card p{margin-bottom:20px}
  .service-section{padding-block:62px}
  .service-grid{grid-template-columns:1fr;gap:35px}
  .service-visual{height:auto;min-height:0;aspect-ratio:1.22}
  .service-visual>img{object-position:center 42%}
  .service-caption{left:26px;bottom:27px}
  .service-caption strong{font-size:34px}
  .service-copy h2{font-size:38px}
  .project-card{padding:24px}
  .project-photo{margin:20px -24px 0;aspect-ratio:16/9}
  .project-top{flex-direction:row}
  .project-no{font-size:77px;margin:18px 0}
  .project-card h3{font-size:32px}
  .project-equipment{margin:26px 0}
  .project-equipment strong{font-size:38px}
  .about-section{padding:68px 0 34px}
  .about-grid{grid-template-columns:1fr;gap:28px}
  .about-grid>div>p.about-lead{font-size:21px}
  .about-facts{gap:12px}
  .about-facts strong{font-size:28px}
  .sectors{flex-direction:column;gap:12px;margin-top:43px}
  .sectors p{line-height:2}
  .sectors i{margin-inline:6px}
  .contact-section{grid-template-columns:1fr;gap:38px;padding-bottom:42px}
  .contact-phone{font-size:29px}
  .contact-form-wrap{padding:26px}
  .location-section{padding-bottom:75px}
  .location-heading{align-items:flex-start}
  .map-frame{height:350px}
  .back-to-top{right:18px;bottom:18px;width:44px;height:44px}
  .footer-main{grid-template-columns:1fr;gap:30px;padding:40px 0 32px}
  .footer-brand p{max-width:none}
  .footer-bottom{gap:12px 24px}
}

/* Menü düğmesi dikkat animasyonları: dönen halka, nefes alan dış hat, yumuşak mavi hale */
@keyframes menu-spin{to{--menu-spin:360deg}}
@keyframes menu-ring-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.09)}}
@keyframes menu-ring-in{from{opacity:0}to{opacity:1}}
@keyframes menu-halo{
  0%,100%{border-color:#c8dce8;box-shadow:inset 0 1px 0 #fff,0 3px 10px #173d5710,0 0 0 0 rgba(119,185,231,0)}
  50%{border-color:#8fc0e4;box-shadow:inset 0 1px 0 #fff,0 3px 12px #173d5714,0 0 16px 3px rgba(119,185,231,.45)}
}

@media(min-width:620px) and (max-width:1000px){
  .solution-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .service-visual{aspect-ratio:1.6}
  .project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-row{grid-template-columns:1fr 1fr}
}

@media(max-width:480px){
  .hero-copy{padding-top:37px}
  .actions{gap:12px 20px}
  .hero-bottom{gap:3px 10px}
  .hero-bottom span:last-child{font-size:12px}
  .visual-bottom{align-items:end}
  .visual-bottom h2{font-size:21px}
  .section-heading h2{font-size:clamp(31px,8vw,38px)}
  .service-copy h2{font-size:35px}
  .project-card h3{font-size:30px}
  .about-facts{flex-wrap:wrap;justify-content:flex-start;column-gap:24px}
  .about-facts>div{min-width:70px}
  .form-row{grid-template-columns:1fr;gap:0}
  .contact-form-wrap .button{width:100%}
  .location-heading{display:block}
  .map-button{margin-top:22px}
  .map-frame{height:300px}
  .map-address{font-size:12px}
}

@media(max-width:360px){
  :root{--header-height:66px}
  .brand{width:190px;max-width:calc(100% - 135px)}
  .header-actions{gap:7px}
  .language-button{width:32px}
  .language-button svg{width:21px;height:13px}
  .hero-title{font-size:42px}
  .actions .button{width:100%}
  .hero-bottom{flex-direction:column}
  .solution-card,.project-card{padding:18px}
  .project-photo{margin:16px -18px 0}
  .project-top{font-size:11px}
  .contact-form-wrap{padding:20px}
  .contact-phone{font-size:26px}
  .about-facts{gap:18px}
  .back-to-top{width:48px;height:48px}
  .climate-top{font-size:9px;letter-spacing:.08em}
  .climate-kicker{font-size:9px}
  .climate-scene h1,.climate-scene h2{font-size:38px}
  .climate-scene p{font-size:14px}
  .climate-scroll{font-size:12.5px;bottom:150px}
  .climate-chapters{column-gap:12px}
  .whatsapp-float{width:48px;height:48px;bottom:calc(78px + env(safe-area-inset-bottom,0px))}
}

/* Kısa masaüstü pencereleri */
@media(max-height:690px) and (min-width:801px){
  .climate-stage{min-height:500px}
  .climate-scene{padding:70px 0 90px}
  .climate-scene h1,.climate-scene h2{font-size:64px;margin:20px 0}
}
@media(min-width:1001px) and (min-height:601px) and (max-height:690px){
  .climate-scene h1,.climate-scene h2{font-size:68px}
}
@media(max-height:600px) and (prefers-reduced-motion:no-preference){
  .climate-stage{height:calc(100svh - var(--header-height));min-height:0}
  .climate-top{top:14px}
  .climate-scroll{bottom:12px}
  .climate-scene{padding:26px 0 92px;justify-content:flex-end}
  .climate-kicker{font-size:9px}
  .climate-scene h1,.climate-scene h2{font-size:clamp(28px,7vh,44px);margin:12px 0}
  .climate-scene p{font-size:13px;line-height:1.45;max-width:580px}
  .climate-link{margin-top:6px;padding:5px 0;font-size:12px}
  .climate-chapters{display:none}
}
/* Kısa ekran + mobil genişlik (yatay telefon): kompakt sahne metni */
@media(max-height:600px) and (prefers-reduced-motion:no-preference) and (max-width:1000px){
  .climate-scene{padding:24px 0 64px}
  .climate-scene h1,.climate-scene h2{font-size:clamp(24px,6.5vh,34px);margin:10px 0}
  .climate-scene p{font-size:12px;line-height:1.5}
  .climate-link{margin-top:8px;font-size:12px;gap:20px;padding:8px 0}
  .climate-link span{font-size:16px}
  .climate-kicker{font-size:9px}
}

/* Dokunmatik cihazlarda asılı hover durumları kapatılır */
@media(hover:none){
  .button:hover,.solution-card:hover,.project-card:hover{transform:none}
  .back-to-top:hover{background:#fff;color:var(--navy)}
  .whatsapp-float:hover{transform:none}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .menu-toggle{animation:none}
  .menu-toggle::before{animation:none;opacity:0}
}

/* Erişilebilirlik ve hero dışındaki arayüz iyileştirmeleri */
@view-transition { navigation: auto; }
.menu-backdrop{position:fixed;inset:var(--header-height) 0 0;z-index:35;background:rgb(16 30 43 / .55);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
@media(max-width:1000px){body.menu-open .menu-backdrop{opacity:1;visibility:visible}}
header.scrolled{background:rgb(255 255 255 / .96);backdrop-filter:blur(10px);box-shadow:0 4px 18px #101e2b12}
nav>a[aria-current="true"]::after{transform:scaleX(1)}
.intro-cta{padding:30px 0;background:var(--light)}
.intro-cta .container{display:flex;align-items:center;justify-content:space-between;gap:24px}
.intro-cta p{margin:0;font-size:clamp(18px,2vw,24px);font-weight:600}
.eyebrow,.project-top,.visual-top{letter-spacing:.04em;text-transform:none}
.footer-title,.footer-credit{color:#a8bac8;letter-spacing:.04em}
.footer-brand p,.footer-col address,.footer-bottom>span{color:#a0b2c0}
.footer-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;border-bottom:1px solid #ffffff24}
.footer-cta p{margin:0;color:#fff;font-size:22px}
.footer-cta .button{color:#fff;border-color:#a0b2c0}
footer .footer-main{grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:32px}
.footer-logo{display:inline-block;background:#fff;padding:12px;border-radius:12px;width:220px}
.footer-logo img{width:196px;height:auto}
.footer-col a{width:fit-content;background:linear-gradient(currentColor,currentColor) left bottom/0 1px no-repeat;transition:background-size .25s}
.footer-col a:hover{background-size:100% 1px}
.footer-top span{display:inline-block;transition:transform .25s}
.footer-top:hover span{transform:translateY(-4px)}
.field-error{display:block;color:#a52727;font-size:12px;min-height:1.5em}
[aria-invalid="true"]{border-color:#a52727!important}
.contact-form-wrap label:focus-within{color:var(--blue)}
.contact-form-wrap input,.contact-form-wrap textarea,.contact-form-wrap select{box-shadow:0 2px 0 transparent}
.contact-form-wrap :is(input,textarea,select):focus{box-shadow:0 2px 0 var(--blue)}
.message-card{margin-top:20px;padding:20px;border:1px solid #b8ccd9;background:#fff}
.message-card[hidden]{display:none}
.message-card h4{margin:0 0 8px}
.message-card .actions{flex-wrap:wrap}
.message-card textarea{width:100%;font-size:13px;margin-block:12px}
html.reveal-ready .reveal{opacity:0;transform:translateY(24px);transition:transform .6s,opacity .6s;transition-delay:calc(var(--i,0)*60ms)}
html.reveal-ready .reveal.is-visible{opacity:1;transform:none}
html.reveal-ready :is(.project-photo,.product-image).reveal{clip-path:inset(0 0 100% 0);transform:scale(.98);transition:clip-path .7s,transform .7s,opacity .6s}
html.reveal-ready :is(.project-photo,.product-image).is-visible{clip-path:inset(0);transform:none}
.button.primary{position:relative;isolation:isolate;overflow:hidden}
.button.primary::before{content:'';position:absolute;inset:0;background:var(--navy);z-index:-1;transform:translateX(-101%);transition:transform .25s}
.button.primary:hover::before{transform:translateX(0)}
.button:active{transform:scale(.98)}
.expertise-strip{position:relative}
.expertise-strip::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--blue);transform:scaleX(var(--expertise-progress,0));transform-origin:left}
.sectors .sector{transition:color .2s}
.sectors .sector:hover{color:var(--blue-soft)}
@media(max-width:1000px){footer .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.footer-brand{grid-column:1/-1}.footer-cta,.intro-cta .container{align-items:flex-start;flex-direction:column}footer .footer-main{gap:24px 18px}footer{font-size:12px}.footer-col a{overflow-wrap:anywhere}}
@media(hover:none){.project-card:hover .project-photo img,.solution-card:hover .product-image img{transform:none}.button.primary:hover::before{transform:translateX(-101%)}.footer-top:hover span{transform:none}}
@media(prefers-reduced-motion:reduce){html.reveal-ready .reveal{opacity:1;transform:none;clip-path:none;transition:none}.menu-backdrop,.button.primary::before,.footer-top span,.footer-col a{transition:none}.button:active{transform:none}.expertise-strip::after{transform:none}}

.button-arrow{display:inline-block;transition:transform .25s}
@media(hover:hover){.button:hover .button-arrow{transform:translate(3px,-3px)}}
@media(prefers-reduced-motion:reduce){.button-arrow{transition:none}.button:hover .button-arrow{transform:none}}

/* Servis kapsamı: mevcut servis anlatısının altında üç sade sütun. */
.service-offerings{margin-top:64px;padding-top:42px;border-top:1px solid var(--line)}
.service-offerings .section-heading{margin-bottom:28px}
.service-offerings h3{font-size:clamp(27px,3vw,38px);line-height:1.2;letter-spacing:-.03em;margin:14px 0 0}
.service-offerings-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.service-offerings .service-offering-card{margin:0;padding:26px;background:#fff;border:1px solid var(--line)}
.service-offering-card h4{margin:0 0 22px;font-size:18px;line-height:1.4;color:var(--blue)}
.service-offering-card ul{list-style:none;margin:0;padding:0}
.service-offering-card li+li{border-top:1px solid var(--line);padding-top:16px;margin-top:16px}
.service-offering-card h5{margin:0 0 6px;font-size:15px;font-weight:650;line-height:1.5}
.service-offering-card li p{margin:0;color:#62717b;font-size:14px;line-height:1.7}
.language-button:disabled{opacity:1;cursor:default}
.language-button:disabled:hover{background:transparent;color:#586e7d}
@media(max-width:760px){.service-offerings{margin-top:40px;padding-top:30px}.service-offerings-grid{grid-template-columns:1fr;gap:16px}.service-offerings .service-offering-card{padding:22px}}

/* Video başlıkları: iki ayrı flu blok üzerinde soldan sağa açılış. */
.climate-scene h1,.climate-scene h2{width:100%}
.climate-scene .climate-title-line{display:inline-block;max-width:calc(100% + .24em);position:relative;padding:.055em .12em .09em;margin-inline:-.12em;vertical-align:top;line-height:1.08;background:linear-gradient(100deg,rgba(24,30,35,.7),rgba(48,54,59,.48));border-radius:3px;box-shadow:0 3px 18px rgba(0,0,0,.14);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);text-shadow:0 2px 12px rgba(0,0,0,.25)}
.climate-scene .climate-title-line+br{line-height:1.16}
@media(max-width:600px){.climate-scene .climate-title-line{padding:.055em .08em .09em;margin-inline:-.08em;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}}
@media(prefers-reduced-motion:reduce){.climate-title-line{clip-path:none!important;transform:none!important}}

/* Airfresh custom technical SVG icon family */
.af-icon{width:28px;height:28px;flex:0 0 auto;color:var(--blue)}
.af-icon-badge{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;flex:0 0 46px;border:1px solid #d4e5ef;border-radius:12px;background:linear-gradient(135deg,#f2f8fc,#e7f2f9)}
.service-offering-card h4{display:flex;align-items:center;gap:13px}
.service-offering-card h5{display:flex;align-items:flex-start;gap:12px}
.service-offering-card h5 .af-icon{width:25px;height:25px;margin-top:0}
.service-offering-card li p{padding-left:37px}
.solution-card .card-index{display:flex;align-items:center;gap:12px;min-height:32px}
.solution-card .card-index .af-icon{width:30px;height:30px}
.service-list summary>span:first-child{display:flex;align-items:center;gap:14px;min-width:0}
.af-service-symbol{display:inline-flex;flex:0 0 28px}
.service-list details p{margin-left:42px}
@media(max-width:600px){.service-offering-card h4{gap:11px}.af-icon-badge{width:42px;height:42px;flex-basis:42px}.service-offering-card h5{gap:10px}.service-offering-card li p{padding-left:35px}}
/* Airfresh industry navigation and rental introduction */
.industry-section{padding:76px 0 82px;background:#eaf5fa;border-block:1px solid #dbeaf2}
.industry-heading{text-align:center;max-width:820px;margin:0 auto 38px}
.industry-heading h2{font-size:clamp(30px,3.2vw,46px);line-height:1.16;letter-spacing:-.04em;margin:17px 0}
.industry-heading p{max-width:630px;margin:auto;color:var(--muted);line-height:1.75}
.industry-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:18px}
.industry-card{position:relative;flex:0 0 calc((100% - 90px)/6);min-width:0;display:flex;align-items:center;flex-direction:column;text-align:center;padding:25px 13px 32px;background:#fff;border:1px solid #dce8ee;border-radius:12px;transition:transform .25s,border-color .25s,box-shadow .25s}
.industry-icon{display:flex;align-items:center;justify-content:center;width:62px;height:62px;background:var(--blue);border-radius:50%;margin-bottom:17px}
.industry-icon .af-icon{color:white;width:35px;height:35px}
.industry-card h3{font-size:16px;font-weight:650;line-height:1.4;margin:0;letter-spacing:-.02em}
.industry-arrow{position:absolute;bottom:9px;right:13px;color:var(--blue);font-size:17px;opacity:.6}
@media(hover:hover){.industry-card:hover{transform:translateY(-5px);border-color:#77b9e7;box-shadow:0 12px 25px #1268ad12}.industry-card:hover .industry-arrow{opacity:1}}
.page-actions{display:flex;align-items:center;gap:15px;flex-wrap:wrap}
.text-link{display:inline-flex;align-items:center;gap:12px;color:var(--blue);font-size:14px;font-weight:650;border-bottom:1px solid #aacbdc;padding-block:8px}
.text-link .af-icon{width:21px;height:21px}
.offering-link{display:inline-flex;gap:10px;color:var(--blue);font-size:13px;font-weight:650;margin:10px 0 0 37px;border-bottom:1px solid #c4ddeb}
.rental-teaser{padding:64px 0;background:var(--navy);color:white}
.rental-teaser-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center}
.rental-teaser h2{font-size:clamp(34px,4vw,56px);line-height:1.12;letter-spacing:-.04em;margin:20px 0}
.rental-teaser p{color:#bfced8;line-height:1.75;max-width:530px;margin-bottom:27px}
.rental-teaser .button{background:white;color:var(--navy);border-color:white}
.rental-teaser .text-link,.rental-teaser .af-icon{color:#a6d5ef}
.rental-teaser figure{margin:0}.rental-teaser img{width:100%;height:330px;object-fit:cover;border-radius:8px}
.rental-teaser figcaption{font-size:11px;color:#a5b8c5;margin-top:9px}
@media(max-width:1100px){.industry-card{flex-basis:calc((100% - 54px)/4)}.rental-teaser-grid{gap:32px}}
@media(max-width:760px){.industry-card{flex-basis:calc((100% - 36px)/3)}.rental-teaser-grid{grid-template-columns:1fr}.industry-section{padding:52px 0}.rental-teaser{padding:48px 0}}
@media(max-width:600px){.industry-grid{gap:8px}.industry-card{flex-basis:calc((100% - 8px)/2);flex-direction:row;gap:6px;text-align:left;padding:8px 6px 14px}.industry-card h3{font-size:14px;min-width:0}.industry-icon{width:54px;height:54px;flex-shrink:0;margin-bottom:0}.industry-icon .af-icon{width:31px;height:31px}.industry-heading{text-align:left}.industry-heading h2 br{display:none}.rental-teaser img{height:280px}}
@media(prefers-reduced-motion:reduce){.industry-card{transition:none}.industry-card:hover{transform:none}}

/* Persistent home link on detail/error pages only */
.home-float{position:fixed;left:24px;bottom:calc(24px + env(safe-area-inset-bottom,0px));z-index:35;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:12px 18px;background:var(--navy);color:white;border:1px solid #52748b;border-radius:999px;box-shadow:0 6px 22px #101e2b26;transition:background .2s,transform .2s,box-shadow .2s}
.home-float svg{width:24px;height:24px;flex:none}.home-float span{font-size:12px;font-weight:650}
@media(hover:hover){.home-float:hover{background:var(--blue);transform:translateY(-3px);box-shadow:0 10px 25px #1268ad30}}
body.menu-open .home-float{visibility:hidden;pointer-events:none}
@media(max-width:600px){.home-float{left:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));width:48px;min-height:48px;padding:11px}.home-float span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}}
@media(prefers-reduced-motion:reduce){.home-float{transition:none}.home-float:hover{transform:none}}
/* Catalog-backed references and company social link */
.linkedin-link{display:inline-flex!important;align-items:center;gap:10px;width:fit-content;font-size:13px;font-weight:600}
.linkedin-link svg{width:21px;height:21px;flex:none}.linkedin-link:hover{color:var(--blue)}
.references-cta{display:flex;justify-content:space-between;align-items:center;gap:28px;margin-top:30px;padding:30px;border:1px solid var(--line);background:#f7fafc}
.references-cta h3{font-size:22px;line-height:1.35;margin:0 0 8px;letter-spacing:-.03em}.references-cta p{font-size:14px;color:var(--muted);margin:0;max-width:660px}
.reference-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.reference-feature{border:1px solid var(--line);background:white;border-radius:8px;overflow:hidden}
.reference-feature>img{width:100%;height:230px;object-fit:cover}.reference-feature>div{padding:25px}
.reference-feature .eyebrow{font-size:10px;letter-spacing:.08em}.reference-feature h3{font-size:23px;line-height:1.25;letter-spacing:-.03em;margin:14px 0 12px}.reference-feature p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 14px}.reference-feature .text-link{font-size:13px}
.reference-filters{display:grid;grid-template-columns:1.2fr 1fr auto;gap:20px;align-items:end;margin-bottom:22px}.reference-filters[hidden]{display:none}
.reference-filters label{display:block;font-size:13px;font-weight:600}.reference-filters input,.reference-filters select{display:block;width:100%;min-width:0;padding:13px 14px;border:1px solid #c5d6e1;background:white;border-radius:4px;font-size:14px;margin-top:7px;color:var(--ink)}
.reference-count{font-size:13px;color:var(--muted);margin-bottom:18px}
.reference-table{width:100%;border-collapse:collapse;background:white;border:1px solid var(--line);text-align:left;font-size:14px;line-height:1.7}
.reference-table thead{background:var(--navy);color:white}.reference-table th,.reference-table td{padding:20px;border-bottom:1px solid var(--line);vertical-align:top}.reference-table th:first-child{width:27%}.reference-table th:nth-child(2){width:20%}.reference-table td{color:var(--muted)}.reference-table ul{padding:0;margin:0;list-style:none}.reference-table td a{font-size:12px;color:var(--blue);white-space:nowrap;border-bottom:1px solid #bad3e3}
.reference-table tr{scroll-margin-top:110px}.reference-table tbody tr:target{background:#e7f4fc;outline:2px solid #77b9e7;outline-offset:-2px}.reference-table tr[hidden]{display:none!important}
.reference-table .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.additional-references{list-style:none;padding:0;margin:0 0 28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 26px}
.additional-references li{position:relative;padding:16px 0 16px 19px;border-bottom:1px solid var(--line);font-size:14px;line-height:1.65}.additional-references li::before{content:'';position:absolute;left:0;top:25px;width:6px;height:6px;background:var(--blue);border-radius:50%}
@media(max-width:1100px){.reference-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.additional-references{grid-template-columns:repeat(3,minmax(0,1fr))}.reference-table th,.reference-table td{padding:16px}}
@media(max-width:760px){.references-cta{flex-direction:column;align-items:flex-start;padding:24px}.reference-filters{grid-template-columns:1fr 1fr}.reference-filters .button{justify-self:start}.additional-references{grid-template-columns:repeat(2,minmax(0,1fr))}.reference-table,.reference-table tbody{display:block;border:0;background:transparent}.reference-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.reference-table tbody tr{display:block;background:white;border:1px solid var(--line);border-radius:7px;padding:20px;margin-bottom:14px}.reference-table th,.reference-table td{display:block;width:auto!important;border:0;padding:0 0 12px}.reference-table th{font-size:18px;line-height:1.4}.reference-table td::before{content:attr(data-label);display:block;color:var(--blue);font-size:10px;letter-spacing:.05em;font-weight:650;margin-bottom:4px}.reference-table td:last-child{padding-bottom:0}}
@media(max-width:500px){.reference-feature-grid{grid-template-columns:1fr}.reference-filters{grid-template-columns:1fr;gap:16px}.reference-feature>img{height:240px}.additional-references{gap:0 18px}.additional-references li{font-size:13px;overflow-wrap:anywhere}.references-hero h1{font-size:39px}}