/* Teknik Isı — kurumsal site stilleri */
:root{
  --red:#e3192b;
  --red-dark:#b90f1f;
  --green:#0b7a2f;
  --green-soft:#5fa463;
  --ink:#121518;
  --ink-2:#1b2025;
  --ink-3:#262c33;
  --steel:#5d6670;
  --line:#dfe2e5;
  --paper:#f5f4f1;
  --white:#fff;
  --muted:#6b7279;
  --radius:4px;
  --wrap:1240px;
  --head:"Barlow Condensed","Arial Narrow",sans-serif;
  --body:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--white);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
@media(max-width:600px){.wrap{padding:0 16px}}

h1,h2,h3,h4{font-family:var(--head);font-weight:700;line-height:1.02;letter-spacing:-.01em;text-transform:uppercase}
.eyebrow{font-family:var(--head);font-weight:600;font-size:15px;letter-spacing:.18em;text-transform:uppercase;color:var(--red);display:inline-flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--green)}
.on-dark .eyebrow{color:#ff5a67}

/* ---------- top bar & header ---------- */
.topbar{background:var(--ink);color:#aab1b8;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar a:hover{color:#fff}
.topbar .tb-left,.topbar .tb-right{display:flex;gap:22px;align-items:center}
.topbar svg{width:14px;height:14px;vertical-align:-2px;margin-right:6px;stroke:var(--green-soft)}
@media(max-width:820px){.topbar .tb-left .hide-sm{display:none}.topbar .tb-right{display:none}}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.brand img{height:38px;width:auto}
.nav{display:flex;align-items:center;gap:4px}
.nav a{font-family:var(--head);font-weight:600;font-size:17px;letter-spacing:.06em;text-transform:uppercase;padding:10px 14px;position:relative;color:var(--ink-3)}
.nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.nav a.active{color:var(--ink)}
.nav .btn{margin-left:12px}
.nav .btn::after{display:none}
.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.menu-toggle span{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);transition:.25s}
.menu-toggle span:nth-child(1){top:15px}.menu-toggle span:nth-child(2){top:21px}.menu-toggle span:nth-child(3){top:27px}
.menu-open .menu-toggle span:nth-child(1){top:21px;transform:rotate(45deg)}
.menu-open .menu-toggle span:nth-child(2){opacity:0}
.menu-open .menu-toggle span:nth-child(3){top:21px;transform:rotate(-45deg)}
@media(max-width:980px){
  .menu-toggle{display:block}
  .nav{position:fixed;inset:116px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 24px;border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s;max-height:calc(100vh - 116px);overflow:auto}
  .menu-open .nav{opacity:1;transform:none;pointer-events:auto}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--line)}
  .nav a::after{display:none}
  .nav .btn{margin:16px 0 0;justify-content:center}
  .brand img{height:32px}
}
@media(max-width:820px){.nav{inset:116px 0 auto 0}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--head);font-weight:700;font-size:17px;letter-spacing:.08em;text-transform:uppercase;padding:14px 26px;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn svg{width:18px;height:18px;transition:transform .2s}
.btn:hover svg{transform:translateX(4px)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.nav .btn{padding:11px 20px;font-size:16px;color:#fff}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse 60% 70% at 85% 40%,rgba(227,25,43,.18),transparent 70%),linear-gradient(90deg,var(--ink) 30%,transparent 75%)}
.hero > .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;min-height:640px;padding-top:72px;padding-bottom:72px}
.hero h1{font-size:clamp(46px,7vw,96px);margin:22px 0 26px}
.hero h1 em{font-style:normal;color:var(--red)}
.hero h1 .outline{-webkit-text-stroke:1.5px rgba(255,255,255,.75);color:transparent}
.hero p.lead{font-size:18px;color:#b9c0c7;max-width:540px}
.hero .actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero-art{position:relative;aspect-ratio:1/1;width:100%;max-width:560px;justify-self:end}
.hero-art svg{width:100%;height:100%}
.hero-art .flow{stroke-dasharray:10 14;animation:flow 2.4s linear infinite}
.hero-art .flow.slow{animation-duration:4s}
.hero-art .flow.rev{animation-direction:reverse}
@keyframes flow{to{stroke-dashoffset:-48}}
.hero-art .spin{transform-box:fill-box;transform-origin:center;animation:spin 6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-art .tag{font-family:var(--head);font-size:13px;letter-spacing:.14em;fill:#8a939c}
@media (prefers-reduced-motion:reduce){.hero-art .flow,.hero-art .spin{animation:none}}
@media(max-width:900px){.hero > .wrap{grid-template-columns:1fr;min-height:0;padding-top:56px}.hero-art{max-width:300px;justify-self:center;order:-1;margin-bottom:-30px}}

.hero-strip{border-top:1px solid rgba(255,255,255,.1);position:relative}
.hero-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.hero-strip .cell{padding:26px 24px;border-left:1px solid rgba(255,255,255,.1)}
.hero-strip .cell:first-child{border-left:0;padding-left:0}
.hero-strip b{display:block;font-family:var(--head);font-size:24px;text-transform:uppercase;letter-spacing:.02em}
.hero-strip span{font-size:14px;color:#8f98a1}
@media(max-width:900px){.hero-strip .wrap{grid-template-columns:1fr 1fr}.hero-strip .cell{padding:20px 16px 20px 0;border-left:0;border-top:1px solid rgba(255,255,255,.1)}}

/* ---------- page head (inner pages) ---------- */
.page-head{background:var(--ink);color:#fff;position:relative;overflow:hidden;isolation:isolate}
.page-head::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:60px 60px;mask-image:linear-gradient(90deg,transparent,#000 60%)}
.page-head .wrap{padding-top:84px;padding-bottom:72px}
.page-head h1{font-size:clamp(44px,6vw,80px);margin-top:18px;max-width:900px}
.page-head p{color:#aeb6be;max-width:640px;margin-top:18px;font-size:18px}
.crumbs{font-size:13px;color:#7e8790;letter-spacing:.04em}
.crumbs a:hover{color:#fff}
.crumbs span{margin:0 8px}

/* ---------- sections ---------- */
section{position:relative}
.sec{padding:110px 0}
.sec-sm{padding:80px 0}
.sec-paper{background:var(--paper)}
.sec-dark{background:var(--ink);color:#fff}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:56px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(38px,5vw,64px);margin-top:16px;max-width:760px}
.sec-head p{color:var(--muted);max-width:420px}
.sec-dark .sec-head p{color:#9aa3ac}
@media(max-width:700px){.sec{padding:76px 0}.sec-head{margin-bottom:40px}}

/* disciplines */
.disc{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.disc-item{padding:40px 34px 44px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;transition:background .25s;background:#fff}
.disc-item:hover{background:var(--ink);color:#fff}
.disc-item:hover p{color:#a7afb7}
.disc-item:hover .num{color:var(--red)}
.disc-item .num{font-family:var(--head);font-size:15px;letter-spacing:.14em;color:var(--steel);transition:.25s}
.disc-item svg.ico{width:54px;height:54px;margin:26px 0 22px;stroke:var(--red);fill:none;stroke-width:1.6}
.disc-item h3{font-size:30px;margin-bottom:12px}
.disc-item p{color:var(--muted);font-size:15px;transition:.25s}
.disc-item ul{list-style:none;margin-top:18px;display:flex;flex-wrap:wrap;gap:6px}
.disc-item li{font-size:12.5px;padding:4px 10px;border:1px solid var(--line);border-radius:20px;color:var(--steel);transition:.25s}
.disc-item:hover li{border-color:#3a424a;color:#c4cbd1}
@media(max-width:980px){.disc{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.disc{grid-template-columns:1fr}.disc-item{padding:32px 24px}}

/* split / about */
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.split h2{font-size:clamp(38px,5vw,60px);margin:16px 0 24px}
.split p{color:var(--muted);margin-bottom:16px}
.split .big{font-size:20px;color:var(--ink);line-height:1.55}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:48px}}

.segments{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.segment{background:var(--ink);color:#fff;padding:36px 30px;border-radius:var(--radius);position:relative;overflow:hidden}
.segment.alt{background:var(--paper);color:var(--ink)}
.segment .k{font-family:var(--head);font-size:14px;letter-spacing:.16em;color:var(--red);text-transform:uppercase}
.segment h3{font-size:30px;margin:12px 0 14px}
.segment p{font-size:15px;color:#a7afb7;margin:0}
.segment.alt p{color:var(--muted)}
.segment ul{list-style:none;margin-top:18px;font-size:14.5px}
.segment li{padding:8px 0;border-top:1px solid rgba(255,255,255,.1);display:flex;gap:10px}
.segment.alt li{border-color:var(--line)}
.segment li::before{content:"";width:8px;height:8px;background:var(--green-soft);margin-top:8px;flex:none}
@media(max-width:640px){.segments{grid-template-columns:1fr}}

/* process */
.process{display:grid;grid-template-columns:repeat(5,1fr);counter-reset:step;position:relative}
.process::before{content:"";position:absolute;top:27px;left:0;right:0;height:1px;background:rgba(255,255,255,.18)}
.step{padding-right:24px;position:relative}
.step .dot{width:56px;height:56px;border-radius:50%;background:var(--ink);border:1px solid rgba(255,255,255,.25);display:grid;place-items:center;font-family:var(--head);font-size:20px;position:relative;z-index:1;transition:.25s}
.step:hover .dot{background:var(--red);border-color:var(--red)}
.step h4{font-size:24px;margin:24px 0 10px}
.step p{font-size:14.5px;color:#9aa3ac}
@media(max-width:900px){.process{grid-template-columns:1fr;gap:28px}.process::before{top:0;bottom:0;left:27px;right:auto;width:1px;height:auto}.step{display:grid;grid-template-columns:56px 1fr;column-gap:22px}.step h4{margin:10px 0 6px}.step p{grid-column:2}}

/* ---------- projects ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filters button{background:none;border:1px solid var(--line);padding:10px 18px;border-radius:30px;font-family:var(--head);font-weight:600;font-size:15px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;color:var(--steel);transition:.2s}
.filters button:hover{border-color:var(--ink);color:var(--ink)}
.filters button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.filters button .c{opacity:.55;margin-left:6px}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.projects.feature{grid-template-columns:1.4fr 1fr 1fr}
.projects.feature .pcard:first-child{grid-row:span 2}
.projects.feature .pcard:first-child .pimg{aspect-ratio:auto;flex:1;min-height:320px}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 18px 40px -20px rgba(18,21,24,.35)}
.pcard.hidden{display:none}
.pimg{aspect-ratio:4/3;position:relative;overflow:hidden;background:var(--ink-2)}
.pimg img,.pimg svg{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.pcard:hover .pimg img,.pcard:hover .pimg svg{transform:scale(1.04)}
.badge{position:absolute;top:14px;left:14px;font-family:var(--head);font-weight:600;font-size:13px;letter-spacing:.12em;text-transform:uppercase;padding:6px 12px;border-radius:30px;background:#fff;color:var(--ink);display:inline-flex;align-items:center;gap:8px}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green)}
.badge.ongoing::before{background:var(--red);animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.25}}
.pbody{padding:24px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.pmeta{font-size:13px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}
.pmeta span{display:inline-flex;align-items:center;gap:6px}
.pmeta svg{width:14px;height:14px;stroke:var(--steel)}
.pcard h3{font-size:26px}
.pscope{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:8px}
.pscope span{font-size:12px;padding:3px 9px;background:var(--paper);border-radius:3px;color:var(--ink-3)}
.progress{margin-top:6px}
.progress .bar{height:4px;background:var(--line);border-radius:4px;overflow:hidden}
.progress .bar i{display:block;height:100%;background:var(--red)}
.progress small{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:6px}
@media(max-width:980px){.projects,.projects.feature{grid-template-columns:1fr 1fr}.projects.feature .pcard:first-child{grid-row:auto;grid-column:span 2}}
@media(max-width:640px){.projects,.projects.feature{grid-template-columns:1fr}.projects.feature .pcard:first-child{grid-column:auto}}

/* project detail */
.pd-hero{aspect-ratio:21/8;border-radius:var(--radius);overflow:hidden;margin-top:-40px;position:relative;z-index:2;background:var(--ink-2);box-shadow:0 30px 60px -30px rgba(0,0,0,.4)}
.pd-hero img,.pd-hero svg{width:100%;height:100%;object-fit:cover}
.pd-grid{display:grid;grid-template-columns:1fr 340px;gap:64px;padding:64px 0 100px}
.pd-grid .content h2{font-size:34px;margin:36px 0 14px}
.pd-grid .content h2:first-child{margin-top:0}
.pd-grid .content p{color:#3c434a;margin-bottom:14px}
.pd-grid .content ul{margin:0 0 16px 20px;color:#3c434a}
.pd-grid .content li{margin-bottom:6px}
.facts{border:1px solid var(--line);border-radius:var(--radius);padding:8px 26px;position:sticky;top:100px;align-self:start}
.facts div{padding:16px 0;border-bottom:1px solid var(--line)}
.facts div:last-child{border:0}
.facts dt{font-family:var(--head);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.facts dd{font-weight:600;margin-top:2px}
@media(max-width:900px){.pd-grid{grid-template-columns:1fr;gap:40px}.facts{position:static}.pd-hero{aspect-ratio:16/9;margin-top:-24px}}

/* ---------- blog ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.post{display:flex;flex-direction:column;gap:14px}
.post .thumb{aspect-ratio:16/10;border-radius:var(--radius);overflow:hidden;background:var(--paper);position:relative}
.post .thumb svg,.post .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.post:hover .thumb svg,.post:hover .thumb img{transform:scale(1.04)}
.post .meta{font-size:13px;color:var(--muted);display:flex;gap:10px;align-items:center}
.post .meta b{font-family:var(--head);font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--red);font-size:13px}
.post h3{font-size:26px;transition:color .2s}
.post:hover h3{color:var(--red)}
.post p{font-size:15px;color:var(--muted)}
@media(max-width:980px){.posts{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.posts{grid-template-columns:1fr}}

.article{max-width:760px;margin:0 auto;padding:72px 0 100px}
.article p{font-size:18px;color:#30363c;margin-bottom:20px;line-height:1.75}
.article h2{font-size:36px;margin:44px 0 16px}
.article ul{margin:0 0 20px 22px;font-size:18px;color:#30363c}
.article li{margin-bottom:8px}
.article blockquote{border-left:4px solid var(--red);padding:6px 0 6px 24px;margin:32px 0;font-size:22px;font-weight:600;color:var(--ink)}
.article .back{display:inline-flex;margin-top:32px}

/* ---------- CTA ---------- */
.cta{background:var(--red);color:#fff;overflow:hidden;position:relative;isolation:isolate}
.cta::before{content:"";position:absolute;right:-80px;top:-80px;width:420px;height:420px;border:60px solid rgba(255,255,255,.08);border-radius:50%;z-index:-1}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;padding-top:72px;padding-bottom:72px;flex-wrap:wrap}
.cta h2{font-size:clamp(36px,5vw,58px);max-width:720px}
.cta p{margin-top:12px;color:rgba(255,255,255,.85);max-width:560px}
.cta .btn{background:var(--ink);color:#fff}
.cta .btn:hover{background:#000}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:1fr 1.3fr;gap:72px;padding:90px 0 110px}
.cinfo h2{font-size:44px;margin:16px 0 20px}
.cinfo p{color:var(--muted)}
.cinfo dl{margin-top:36px}
.cinfo dl div{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:18px 0;border-top:1px solid var(--line);align-items:start}
.cinfo dt{width:48px;height:48px;border-radius:50%;background:var(--paper);display:grid;place-items:center}
.cinfo dt svg{width:20px;height:20px;stroke:var(--red)}
.cinfo dd small{display:block;font-family:var(--head);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.cinfo dd a,.cinfo dd span{font-weight:600;font-size:17px}
.form{background:var(--paper);padding:44px;border-radius:var(--radius)}
.form h3{font-size:30px;margin-bottom:24px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink-3)}
.form .f{margin-bottom:16px}
.form input,.form select,.form textarea{width:100%;padding:13px 14px;border:1px solid #d3d6d9;background:#fff;border-radius:var(--radius);outline:none;transition:border-color .2s}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--ink)}
.form textarea{min-height:140px;resize:vertical}
.form .hp{position:absolute;left:-9999px}
.form .note{font-size:13px;color:var(--muted);margin-top:14px}
.form .msg{padding:14px 16px;border-radius:var(--radius);margin-bottom:20px;font-weight:600}
.form .msg.ok{background:#e4f2e6;color:var(--green)}
.form .msg.err{background:#fde7e9;color:var(--red-dark)}
.map{height:380px;background:var(--paper);filter:grayscale(1) contrast(1.05)}
.map iframe{width:100%;height:100%;border:0}
@media(max-width:900px){.contact{grid-template-columns:1fr;gap:48px;padding:64px 0 80px}.form{padding:28px 20px}.form .row{grid-template-columns:1fr}}

/* ---------- values / about ---------- */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.values div{background:#fff;padding:34px 28px}
.values b{font-family:var(--head);font-size:44px;color:var(--red);display:block;line-height:1}
.values h4{font-size:22px;margin:14px 0 8px}
.values p{font-size:14.5px;color:var(--muted)}
@media(max-width:900px){.values{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.values{grid-template-columns:1fr}}

.photo-ph{aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;background:var(--ink-2)}
.photo-ph svg,.photo-ph img{width:100%;height:100%;object-fit:cover}

/* ---------- footer ---------- */
.site-footer{background:#0c0e10;color:#9099a2;font-size:15px}
.site-footer .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding:80px 0 56px}
.site-footer img{height:64px;width:auto;margin-bottom:22px}
.site-footer h5{font-family:var(--head);font-size:16px;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:18px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:10px}
.site-footer a:hover{color:#fff}
.site-footer .bottom{border-top:1px solid #1f2429;padding:22px 0;font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media(max-width:900px){.site-footer .top{grid-template-columns:1fr 1fr;gap:36px}}
@media(max-width:560px){.site-footer .top{grid-template-columns:1fr;padding:56px 0 40px}}

/* whatsapp */
.wa{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 24px -8px rgba(0,0,0,.4);z-index:60;transition:transform .2s}
.wa:hover{transform:scale(1.08)}
.wa svg{width:28px;height:28px;fill:#fff}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}
.mt-40{margin-top:40px}
.center{text-align:center}

/* proje galerisi */
.pd-gallery{padding:0 0 100px;margin-top:-36px}
.pd-gallery h2{font-size:34px;margin-bottom:22px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:20px}
.gallery figure{margin:0}
.gallery a{display:block;aspect-ratio:3/4;border-radius:var(--radius);overflow:hidden;background:var(--paper);cursor:zoom-in;box-shadow:0 10px 24px -18px rgba(18,21,24,.5)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery a:hover img{transform:scale(1.05)}
.gallery figcaption{font-size:13.5px;color:var(--muted);margin-top:10px;line-height:1.45}
@media(max-width:640px){.gallery{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:0 16px;gap:14px;margin:0 -16px;padding:0 16px 8px}.gallery figure{flex:0 0 72%;scroll-snap-align:start}}
.lightbox{position:fixed;inset:0;background:rgba(8,10,12,.94);z-index:100;display:none;align-items:center;justify-content:center;flex-direction:column;padding:56px 16px 24px}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:calc(100vh - 140px);object-fit:contain;border-radius:var(--radius)}
.lightbox p{color:#c4cbd1;margin-top:14px;font-size:15px;text-align:center}
.lightbox button{position:absolute;background:none;border:0;color:#fff;font-size:40px;line-height:1;cursor:pointer;padding:12px;opacity:.8}
.lightbox button:hover{opacity:1}
.lightbox .lb-close{top:8px;right:12px}
.lightbox .lb-prev{left:8px;top:50%;transform:translateY(-50%)}
.lightbox .lb-next{right:8px;top:50%;transform:translateY(-50%)}
.projects.feature .pcard:first-child .pbody{flex:none}
.pd-hero.multi{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:#fff}
.pd-hero.multi img{min-height:0;height:100%}
@media(max-width:640px){.pd-hero.multi{grid-template-columns:1.4fr 1fr;grid-template-rows:repeat(2,minmax(0,1fr));aspect-ratio:4/3}.pd-hero.multi img:first-child{grid-row:span 2}}
/* 7 hizmet + teklif kutusu: masaüstünde 4 sütun */
.disc{grid-template-columns:repeat(4,1fr)}
.disc-item{padding:36px 28px 40px}
.disc-cta{background:var(--ink);color:#fff;display:flex;flex-direction:column}
.disc-cta .num{color:var(--red)}
.disc-cta h3{margin-top:26px}
.disc-cta p{color:#a7afb7}
.disc-cta .btn{margin-top:auto;align-self:flex-start;padding:12px 20px;font-size:15px}
.disc-cta:hover{background:var(--red)}
.disc-cta:hover .num{color:#fff}
.disc-cta:hover p{color:#fff}
.disc-cta:hover .btn{background:var(--ink)}
@media(max-width:1100px){.disc{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.disc{grid-template-columns:1fr}}
.empty-note{padding:48px 24px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius)}