/* Hizmet sayfaları (vrf/, duct-split/ …) için ortak stil. Ana sitenin tasarım dili: taş grisi zemin, mürekkep siyahı,
   tek vurgu mavisi, hap butonlar, 34px kart köşeleri. Tokenlar marka kitabıyla aynı adlarda. */
:root{
  --surface:#f3f3f1;--surface-raised:#fff;--surface-soft:#f7f7f5;--media:#e4e6e8;--line:#e6e6e2;--line-soft:#ecece8;
  --ink:#0e0e0e;--ink-body:#555;--ink-muted:#6b6b6b;--ink-soft:#9a9a96;--accent:#1f6fd1;--on-accent:#fff;--whatsapp:#25d366;
  --radius-card:clamp(22px,3vw,34px);--radius-media:clamp(14px,2vw,22px);--gutter:20px;
  --font:'Vazirmatn',Tahoma,'Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--surface);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;line-height:1.9}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1280px;margin:0 auto;padding-inline:var(--gutter)}
.narrow{max-width:820px}

/* Başlık çubuğu — ana sitedeki yüzen hap menü */
.hdr{position:sticky;top:16px;z-index:50;display:flex;justify-content:center;padding:0 16px;height:0}
.pill{height:60px;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(0,0,0,.06);border-radius:999px;display:flex;align-items:center;gap:clamp(12px,3vw,32px);padding:0 8px 0 8px;padding-right:20px;box-shadow:0 8px 30px rgba(0,0,0,.05);max-width:100%}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:15px;white-space:nowrap}
.brand small{display:flex;align-items:center;gap:2px;font-weight:500;color:var(--ink-muted);font-size:15px}
.brand img{height:20px;width:auto}
.nav{display:flex;gap:clamp(12px,2vw,24px);font-size:14px;font-weight:500;color:var(--ink-body)}
.nav{align-items:center}
.nav>a,.dd-btn{white-space:nowrap}
.nav a[aria-current="page"],.dd.is-active>.dd-btn{color:var(--ink);font-weight:700}
/* Açılır kategori menüsü (masaüstü): üzerine gelince ya da klavyeyle odaklanınca açılır */
.dd{position:relative}
.dd-btn{background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer;display:flex;align-items:center;gap:5px}
.dd-btn svg{transition:transform .25s}
.dd-panel{position:absolute;top:100%;right:-18px;padding-top:22px;display:none;z-index:60}
.dd-panel::before{content:"";position:absolute;inset:22px 0 0;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 24px 60px rgba(0,0,0,.10);z-index:-1}
.dd-panel a{display:block;padding:10px 18px;min-width:230px;white-space:nowrap;color:var(--ink-body);font-weight:500}
.dd-panel a:first-child{margin-top:8px}.dd-panel a:last-child{margin-bottom:8px}
.dd-panel a:hover,.dd-panel a[aria-current="page"]{color:var(--ink);background:var(--surface-soft)}
.dd:hover .dd-panel,.dd:focus-within .dd-panel{display:block;animation:dd-in .22s cubic-bezier(.16,1,.3,1)}
.dd:hover .dd-btn svg,.dd:focus-within .dd-btn svg{transform:rotate(180deg)}
@keyframes dd-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.cta-sm{background:var(--ink);color:#fff;height:44px;padding:0 20px;border-radius:999px;display:flex;align-items:center;font-size:14px;font-weight:600;white-space:nowrap}
.menu{display:none;position:relative}
.menu>summary{list-style:none;width:44px;height:44px;border-radius:50%;background:var(--surface);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:20px}
.menu>summary::-webkit-details-marker{display:none}
.menu[open] .sheet{display:flex}
.sheet{display:none;position:absolute;top:54px;left:0;min-width:280px;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px;box-shadow:0 20px 50px rgba(0,0,0,.10)}
.sheet{max-height:calc(100vh - 110px);overflow-y:auto}
.sheet a{padding:10px 14px;border-radius:12px;font-weight:600}
.sheet a:hover,.sheet a[aria-current="page"]{background:var(--surface-soft)}
.sheet .sub summary{list-style:none;padding:10px 14px;font-weight:800;display:flex;align-items:center;justify-content:space-between;cursor:pointer;border-radius:12px}
.sheet .sub summary::-webkit-details-marker{display:none}
.sheet .sub summary svg{transition:transform .25s}
.sheet .sub[open] summary svg{transform:rotate(180deg)}
.sheet .sub div{display:flex;flex-direction:column;padding:0 10px 6px;border-bottom:1px solid var(--line-soft);margin-bottom:6px}
.sheet .sub a{font-weight:500;color:var(--ink-body);padding:8px 14px}
@media (max-width:1099px){.nav{display:none}.cta-sm{display:none}.menu{display:block}}

/* Sayfa girişi */
.crumbs{font-size:13px;color:var(--ink-muted);display:flex;gap:8px;flex-wrap:wrap;padding-top:clamp(116px,13vw,150px)}
.crumbs a:hover{color:var(--ink)}
.badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px 7px 14px;font-size:13px;font-weight:600;margin-top:22px}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--accent)}
h1{font-size:clamp(30px,5vw,64px);line-height:1.2;font-weight:900;letter-spacing:-1px;margin:18px 0 0;text-wrap:balance;max-width:960px}
h1 span{color:var(--ink-soft)}
.lead{font-size:clamp(16px,1.5vw,19px);line-height:1.95;color:var(--ink-body);max-width:720px;margin:20px 0 0;text-wrap:pretty}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.btn{height:54px;padding:0 28px;border-radius:999px;display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px}
.btn.primary{background:var(--ink);color:#fff}
.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line);font-weight:700}
.btn.wa{background:var(--whatsapp);color:#0e0e0e;font-weight:700}
.btn:focus-visible,.cta-sm:focus-visible,.nav a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.hero-img{margin-top:clamp(40px,5vw,64px);border-radius:var(--radius-card);overflow:hidden;background:var(--media);aspect-ratio:16/8}
.hero-img img{width:100%;height:100%;object-fit:cover}

/* İçerik bölümleri */
section{padding-top:clamp(64px,8vw,110px)}
h2{font-size:clamp(26px,3.2vw,42px);line-height:1.35;font-weight:900;margin:0;text-wrap:balance}
h3{font-size:clamp(19px,1.8vw,22px);line-height:1.5;font-weight:800;margin:0}
.prose p{font-size:17px;line-height:2;color:var(--ink-body);margin:18px 0 0;max-width:760px;text-wrap:pretty}
.prose strong{color:var(--ink)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:16px;margin-top:32px}
.card{background:#fff;border-radius:var(--radius-card);padding:clamp(22px,2.4vw,32px);display:flex;flex-direction:column;gap:10px}
.card p{margin:0;font-size:15.5px;line-height:1.95;color:var(--ink-body)}
.check{display:flex;flex-direction:column;gap:12px;margin:26px 0 0;padding:0;list-style:none;max-width:760px}
.check li{display:flex;gap:12px;align-items:flex-start;font-size:16.5px;line-height:1.9;color:var(--ink-body)}
.check li::before{content:"✓";flex:none;width:22px;height:22px;margin-top:6px;border-radius:50%;background:var(--accent);color:var(--on-accent);font-size:12px;display:flex;align-items:center;justify-content:center}
.check strong{color:var(--ink)}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:16px;margin-top:32px;padding:0;list-style:none}
.steps li{counter-increment:s;background:#fff;border-radius:var(--radius-card);padding:26px;display:flex;flex-direction:column;gap:8px;font-size:15.5px;line-height:1.9;color:var(--ink-body)}
.steps li::before{content:counter(s,persian);font-size:14px;font-weight:800;color:var(--ink-soft)}
.steps li b{color:var(--ink);font-size:18px}
.dark{background:var(--ink);color:#fff;border-radius:var(--radius-card);padding:clamp(24px,4vw,56px);margin-top:clamp(64px,8vw,110px)}
.dark h2{color:#fff}
.dark .prose p{color:rgba(255,255,255,.75)}
.brands{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.brands span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:9px 18px;font-weight:700;font-size:15px}
.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px;margin-top:32px}
.proj{background:#fff;border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column}
.proj .ph{aspect-ratio:4/3;background:var(--media)}
.proj .ph img{width:100%;height:100%;object-fit:cover}
.proj .tx{padding:20px 22px 24px;display:flex;flex-direction:column;gap:6px}
.proj .tags{display:flex;gap:6px;flex-wrap:wrap}
.proj .tags span{background:var(--surface);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600}
.proj p{margin:0;font-size:14.5px;color:var(--ink-muted);line-height:1.8}
.table-wrap{overflow-x:auto;margin-top:28px;background:#fff;border-radius:var(--radius-card)}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:15px}
th,td{text-align:right;padding:16px 20px;border-bottom:1px solid var(--line-soft);vertical-align:top;line-height:1.8}
th{font-weight:800;background:var(--surface-soft)}
td{color:var(--ink-body)}
tr:last-child td{border-bottom:0}

/* SSS */
.faq{margin-top:28px;display:flex;flex-direction:column;gap:10px;max-width:880px}
.faq details{background:#fff;border-radius:22px;padding:4px 22px}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:800;font-size:17px;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;font-size:22px;line-height:1;color:var(--ink-muted);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 20px;color:var(--ink-body);font-size:15.5px;line-height:2}

/* Çağrı bandı ve ilgili sayfalar */
.cta-band{margin-top:clamp(64px,8vw,110px);background:#fff;border-radius:var(--radius-card);padding:clamp(24px,4vw,56px);display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band p{margin:8px 0 0;color:var(--ink-body)}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:12px;margin-top:24px}
.related a{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 20px;font-weight:700;display:flex;justify-content:space-between;align-items:center}
.related a::after{content:"←";color:var(--ink-muted)}
.related a:hover{border-color:var(--ink)}

/* Alt bilgi */
.svc-links{margin-top:clamp(64px,8vw,96px);display:flex;flex-wrap:wrap;gap:8px}
.svc-links a{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600;color:var(--ink-body)}
.svc-links a[aria-current="page"]{background:var(--ink);border-color:var(--ink);color:#fff}
.svc-links+.ftr{margin-top:28px}
.ftr{margin-top:clamp(80px,10vw,120px);border-top:1px solid #dcdcd7;padding:40px 0 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px 24px;font-size:13px;color:var(--ink-muted)}
.ftr .contact{display:flex;gap:6px 18px;flex-wrap:wrap}
.ftr bdi{direction:ltr;unicode-bidi:isolate}

/* WhatsApp düğmesi */
.fab{position:fixed;left:22px;bottom:22px;z-index:35;width:56px;height:56px;border-radius:50%;background:var(--whatsapp);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 28px rgba(37,211,102,.38)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Motion: ilk karede içerik gizli (animasyonla gelecek); page-motion.js sınıfı kaldırır, yüklenemezse 4 sn'de kalkar */
.m-pending main{opacity:0}
/* Kartlarda hafif üzerine gelme */
.card,.proj,.steps li,.related a{transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s}
@media (hover:hover){.card:hover,.proj:hover,.steps li:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.06)}}

/* Motion: kelime kelime başlık parçaları */
.mw{display:inline-block;will-change:transform,opacity}

/* ---- Dengeli iki sütunlu düzen (RTL): hero'da metin sağda + görsel solda; bölümlerde başlık sağda sabit, içerik solda ---- */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:center;margin-top:18px}
.hero--text{grid-template-columns:minmax(0,1fr)}
.hero-txt .badge{margin-top:0}
.hero-txt h1{font-size:clamp(30px,3.7vw,56px);max-width:none}
.hero-txt .lead{max-width:none}
.hero .hero-img{margin:0;aspect-ratio:5/4}
@media (max-width:899px){.hero{grid-template-columns:minmax(0,1fr)}.hero .hero-img{aspect-ratio:16/10}}
@media (min-width:900px){
  main>section:has(>h2),main>.dark{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);column-gap:clamp(32px,5vw,80px);align-items:start}
  main>section:has(>h2)>h2,main>.dark>h2{grid-column:1;grid-row:1/span 40;position:sticky;top:110px;align-self:start}
  main>section:has(>h2)>:not(h2),main>.dark>:not(h2){grid-column:2}
  main>section:has(>h2)>:nth-child(2),main>.dark>:nth-child(2),main>section:has(>h2)>:nth-child(2)>:first-child{margin-top:0}
  .prose p,.check,.faq{max-width:none}
}