/* ==========================================================================
   ŞAHİN KOMPRESÖR — ENDÜSTRİYEL tema (çelik + kırmızı, teknik/blueprint)
   Sıfır dış kaynak. Sistem fontları + inline SVG.
   ========================================================================== */
:root{
  --bg:#0d1216; --bg2:#10161b; --panel:#151c22; --panel2:#1a232a;
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.16);
  --ink:#eef2f5; --muted:#93a1ab; --dim:#63717c; --steel:#8b98a3;
  --ac:#d92534; --ac2:#b31d2a; --ac-deep:#8a141f; --glow:rgba(217,37,52,.22);
  --wa:#25d366;
  --rad:4px; --rad-sm:3px; --maxw:1220px;
  --shadow:0 24px 60px -24px rgba(0,0,0,.75);
  --ff:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ff);background:var(--bg);color:var(--ink);line-height:1.65;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.12;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* blueprint ızgara zemin */
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background:linear-gradient(180deg,var(--bg),var(--bg2))}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.6;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:52px 52px;-webkit-mask-image:radial-gradient(120% 80% at 50% 0,#000,transparent 75%);mask-image:radial-gradient(120% 80% at 50% 0,#000,transparent 75%)}

/* teknik etiket / eyebrow — köşeli parantezli */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--ac);margin-bottom:16px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--ac)}
.ac{color:var(--ac)}

/* ================= HEADER ================= */
.hdr{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.hdr.stuck{background:rgba(10,14,18,.9);backdrop-filter:saturate(140%) blur(12px);border-bottom-color:var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:94px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{height:52px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto;margin-right:16px}
.nav a{padding:9px 13px;font-size:13.5px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:#c3cdd4;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.nav a:hover,.nav a.active{color:#fff;border-bottom-color:var(--ac)}
.hdr-cta{display:flex;align-items:center;gap:10px}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.3s}

/* butonlar — köşeli */
.btn{display:inline-flex;align-items:center;gap:9px;justify-content:center;padding:13px 22px;border-radius:var(--rad-sm);font-weight:700;font-size:14px;letter-spacing:.02em;text-transform:uppercase;cursor:pointer;border:1px solid transparent;transition:transform .12s,box-shadow .2s,background .2s;white-space:nowrap}
.btn svg{width:18px;height:18px;flex:0 0 auto}
.btn-pri{background:var(--ac);color:#fff;box-shadow:0 8px 24px -8px var(--glow)}
.btn-pri:hover{background:var(--ac2);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line2);color:#fff}
.btn-ghost:hover{border-color:var(--ac);color:var(--ac)}
.btn-wa{background:var(--wa);color:#04240f}
.btn-wa:hover{transform:translateY(-2px)}
.btn-lg{padding:16px 30px;font-size:15px}

/* ================= HERO — teknik çerçeveli ================= */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img,.hero-media video{width:100%;height:100%;object-fit:cover;filter:grayscale(.2) contrast(1.05)}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,15,19,.96) 0%,rgba(11,15,19,.82) 45%,rgba(11,15,19,.5) 100%),linear-gradient(0deg,rgba(11,15,19,.9),transparent 40%)}
.hero .wrap{position:relative;z-index:2;padding-top:110px;padding-bottom:64px}
.hero-inner{max-width:760px;border-left:3px solid var(--ac);padding-left:28px}
.hero h1{font-size:clamp(2.2rem,5.2vw,4.2rem);line-height:1.02;letter-spacing:-.02em;margin-bottom:22px;text-transform:uppercase}
.hero h1 .ac{background:linear-gradient(100deg,#ff5a60 0%,#e0202f 50%,#a3121e 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--ac)}
.hero .lead{font-size:clamp(1.02rem,1.6vw,1.2rem);color:#bcc9d1;max-width:600px;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
/* teknik specs şeridi */
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:52px;border:1px solid var(--line);background:rgba(0,0,0,.25)}
.hero-stats .st{padding:20px 26px;border-right:1px solid var(--line);flex:1 1 auto;min-width:120px}
.hero-stats .st:last-child{border-right:0}
.hero-stats .st b{display:block;font-family:var(--mono);font-size:clamp(1.6rem,3vw,2.3rem);font-weight:700;color:#fff;line-height:1}
.hero-stats .st span{font-size:12px;color:var(--steel);letter-spacing:.08em;text-transform:uppercase;margin-top:6px;display:block}
.scroll-ind{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);z-index:3;width:26px;height:42px;border:2px solid rgba(255,255,255,.4);border-radius:14px;cursor:pointer;transition:border-color .2s}
.scroll-ind:hover{border-color:var(--ac)}
.scroll-ind::after{content:"";position:absolute;left:50%;top:8px;width:3px;height:8px;background:var(--ac);border-radius:2px;transform:translateX(-50%);animation:swheel 1.6s infinite}
@keyframes swheel{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}100%{opacity:0;transform:translate(-50%,14px)}}

/* ================= SECTION ================= */
.sec{padding:92px 0;position:relative}
.sec-alt{background:rgba(255,255,255,.02);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px;margin:0 0 52px}
.sec-head h2{font-size:clamp(1.6rem,3.2vw,2.5rem);letter-spacing:-.01em;text-transform:uppercase}
.sec-head p{color:var(--muted);font-size:16.5px;margin:0}
.sec-head.left,.sec-head{text-align:left}

/* teknik kart — çerçeveli, numara rozetli */
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);counter-reset:card}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);padding:34px 28px;position:relative;transition:background .2s;overflow:hidden;counter-increment:card}
.card::before{content:"0" counter(card);position:absolute;top:20px;right:22px;font-family:var(--mono);font-size:13px;color:var(--dim);letter-spacing:.05em}
.card::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--ac);transform:scaleY(0);transform-origin:top;transition:transform .3s}
.card:hover{background:var(--panel2)}
.card:hover::after{transform:scaleY(1)}
.ico{width:50px;height:50px;border-radius:var(--rad-sm);display:grid;place-items:center;margin-bottom:20px;background:rgba(217,37,52,.1);border:1px solid rgba(217,37,52,.25);color:var(--ac)}
.ico svg{width:26px;height:26px}
.card h3{font-size:18px;margin-bottom:8px;text-transform:uppercase;letter-spacing:.01em}
.card p{color:var(--muted);font-size:14.5px;margin:0}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:var(--ac);font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.card .more svg{width:14px;height:14px;transition:transform .2s}
.card:hover .more svg{transform:translateX(4px)}

/* SPLIT */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .split-txt{order:2}
.split-media{position:relative;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3}
.split-media::before{content:"";position:absolute;top:14px;left:14px;width:34px;height:34px;border-top:2px solid var(--ac);border-left:2px solid var(--ac);z-index:2}
.split-media::after{content:"";position:absolute;bottom:14px;right:14px;width:34px;height:34px;border-bottom:2px solid var(--ac);border-right:2px solid var(--ac);z-index:2}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-txt h2{font-size:clamp(1.5rem,3vw,2.2rem);text-transform:uppercase}
.split-txt p{color:var(--muted);font-size:15.5px}
.ticklist{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.ticklist li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#cdd8de}
.ticklist li svg{width:20px;height:20px;flex:0 0 auto;color:var(--ac);margin-top:2px}

/* COUNTERS — teknik panel */
.counters{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.counters .cnt{background:var(--panel);padding:34px 20px;text-align:left;position:relative}
.counters .cnt b{display:block;font-family:var(--mono);font-size:clamp(2rem,4vw,3rem);font-weight:700;color:var(--ac);line-height:1}
.counters .cnt span{color:var(--steel);font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;margin-top:10px;display:block}

/* LOGOS — modern referans duvarı */
.logos{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.logos .lg{background:#fff;height:120px;display:grid;place-items:center;padding:18px 22px;border-radius:var(--rad);box-shadow:0 8px 22px -14px rgba(0,0,0,.55);transition:transform .2s,box-shadow .2s}
.logos .lg img{max-height:66px;max-width:178px;width:auto;filter:none;opacity:1}
.logos .lg:hover{transform:translateY(-4px);box-shadow:0 16px 30px -12px rgba(0,0,0,.6)}

/* PRODUCTS — teknik ürün kartı */
.prod{display:block;background:var(--panel);border:1px solid var(--line);overflow:hidden;transition:border-color .2s,transform .2s;position:relative}
.prod:hover{border-color:var(--ac);transform:translateY(-4px)}
.prod-img{aspect-ratio:4/3;background:#0b1013;overflow:hidden;position:relative;border-bottom:1px solid var(--line)}
.prod-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.prod:hover .prod-img img{transform:scale(1.05)}
.prod-img .noimg{position:absolute;inset:0;display:grid;place-items:center;color:var(--dim)}
.prod-b{padding:18px 20px}
.prod-b h3{font-size:15.5px;margin:0 0 5px;text-transform:uppercase;letter-spacing:.01em}
.prod-b span{font-family:var(--mono);font-size:11.5px;color:var(--ac);text-transform:uppercase;letter-spacing:.06em}

/* TEAM */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
/* FAQ */
.faq{max-width:860px;display:grid;gap:0;border:1px solid var(--line)}
.faq details{background:var(--panel);border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:700;font-size:15.5px;text-transform:uppercase;letter-spacing:.01em;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:20px;color:var(--ac);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details .a{padding:0 24px 20px;color:var(--muted);font-size:15px}

/* CTA — endüstriyel bant */
.cta-band{position:relative;overflow:hidden;padding:60px 48px;background:var(--ac);border:1px solid var(--ac)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(135deg,rgba(0,0,0,.18) 25%,transparent 25%,transparent 50%,rgba(0,0,0,.18) 50%,rgba(0,0,0,.18) 75%,transparent 75%);background-size:22px 22px;opacity:.4}
.cta-band>*{position:relative}
.cta-band h2{font-size:clamp(1.6rem,3.4vw,2.4rem);color:#fff;text-transform:uppercase}
.cta-band p{color:rgba(255,255,255,.9);font-size:16.5px;max-width:600px;margin:0 0 26px}
.cta-band .btn-pri{background:#12181c;color:#fff}
.cta-band .btn-pri:hover{background:#000}
.cta-band .btn-wa{background:#0e1417;color:#fff}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:44px}
.cinfo{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.cinfo .row{display:flex;gap:15px;align-items:flex-start;padding:22px;background:var(--panel)}
.cinfo .row .ico{margin:0;width:44px;height:44px}
.cinfo .row b{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:4px}
.cinfo .row a,.cinfo .row span{font-size:15.5px;font-weight:600;color:#fff}
form.cform{background:var(--panel);border:1px solid var(--line);padding:30px}
.cform label{display:block;font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 6px}
.cform .frow{margin-bottom:16px}
.cform input,.cform textarea{width:100%;padding:13px 15px;background:#0b1013;border:1px solid var(--line2);border-radius:var(--rad-sm);color:#fff;font-family:inherit;font-size:15px}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--ac)}
.cform textarea{min-height:120px;resize:vertical}
.cform .btn{width:100%}
.form-msg{padding:13px 16px;border-radius:var(--rad-sm);font-size:14px;margin-bottom:16px}
.form-msg.ok{background:rgba(217,37,52,.12);border:1px solid rgba(217,37,52,.35);color:#f08c93}
.form-msg.err{background:rgba(255,180,60,.12);border:1px solid rgba(255,180,60,.35);color:#ffcf87}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--muted);cursor:pointer;font-family:var(--ff);text-transform:none;letter-spacing:0}
.chk input{width:18px;height:18px;margin:1px 0 0;flex:0 0 auto;accent-color:var(--ac)}
.chk a{color:var(--ac);text-decoration:underline}

/* RICHTEXT */
.prose{max-width:840px}
.prose h2{font-size:1.6rem;margin:1.6em 0 .5em;text-transform:uppercase}
.prose h3{font-size:1.25rem;margin:1.4em 0 .4em;color:#fff;text-transform:uppercase}
.prose p,.prose li{color:#c3d0d7;font-size:16px}
.prose ul{padding-left:20px;display:grid;gap:8px;margin:0 0 1.2em}
.prose a{color:var(--ac);text-decoration:underline}

/* FOOTER */
.ftr{border-top:2px solid var(--ac);padding:60px 0 28px;margin-top:40px;background:rgba(0,0,0,.3)}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;margin-bottom:42px}
.ftr .fh{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:18px}
.ftr .fabout p{color:var(--muted);font-size:14.5px;max-width:300px}
.ftr .flist{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.ftr .flist a{color:#b0bcc4;font-size:14px;transition:color .2s}
.ftr .flist a:hover{color:var(--ac)}
.ftr .fcontact div{color:#b0bcc4;font-size:14px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.ftr .fcontact svg{width:18px;height:18px;color:var(--ac);flex:0 0 auto;margin-top:2px}
.ftr-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;color:var(--dim);font-size:13px}
.ftr-bottom a{color:var(--steel)}.ftr-bottom a:hover{color:var(--ac)}
.brand-lockup,.bl-icon,.bl-text,.bl-name,.bl-sub{}

/* FLOATS */
.floats{position:fixed;right:18px;bottom:18px;z-index:70;display:flex;flex-direction:column;gap:10px}
.floats a{width:52px;height:52px;border-radius:var(--rad-sm);display:inline-flex;align-items:center;justify-content:center;gap:0;box-shadow:0 10px 26px -6px rgba(0,0,0,.5);transition:transform .2s}
.floats a:hover{transform:translateY(-3px)}
.floats .f-wa{background:var(--wa);color:#fff}
.floats .f-call{background:var(--ac);color:#fff}
.floats a svg{width:26px;height:26px}


/* hero'suz sayfa: içeriği sabit başlığın altına it */
body.no-hero main{padding-top:94px}
body.no-hero main > .sec:first-child,body.no-hero main > section:first-child{padding-top:30px}
.f-lbl{display:none;font-weight:700;font-size:13px;letter-spacing:.03em;text-transform:uppercase}

/* REVEAL */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.06s}.reveal.d2{transition-delay:.12s}.reveal.d3{transition-delay:.18s}.reveal.d4{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}


@keyframes fring{0%,55%,100%{transform:rotate(0)}4%,12%,20%{transform:rotate(-15deg)}8%,16%,24%{transform:rotate(15deg)}28%{transform:rotate(0)}}

/* RESPONSIVE */
@media(max-width:960px){
  .g-4,.counters,.logos,.team-grid{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:34px}.split.rev .split-txt{order:0}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:760px){
  .nav{display:none;position:fixed;top:94px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px;background:rgba(10,14,18,.98);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s;z-index:59;margin:0}
  .nav.open{display:flex;transform:none}
  .nav a{padding:14px 12px;font-size:15px;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .hdr-cta .btn-pri{display:none}
  .brand .logo{height:44px}
  .sec{padding:64px 0}
  .g-2,.g-3,.g-4,.counters,.logos,.team-grid{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 24px}
  .hero .wrap{padding-top:112px;padding-bottom:96px}
  .hero .hero-cta{display:none}
  .floats{left:12px;right:12px;bottom:12px;flex-direction:row;gap:8px}
  .floats a{flex:1;width:auto;height:54px;border-radius:12px;gap:9px}
  .floats .f-lbl{display:inline}
  .f-call svg{animation:fring 2.6s ease-in-out .6s infinite;transform-origin:center}
  body.no-hero main{padding-top:82px}
  .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:28px}
  .hero-stats .st{padding:16px 6px;border-right:1px solid var(--line);text-align:center;min-width:0}
  .hero-stats .st:last-child{border-right:0}
  .hero-stats .st b{font-size:1.55rem}
  .hero-stats .st span{font-size:9.5px;letter-spacing:.02em;margin-top:5px}
  .scroll-ind{display:none}
  .hero-media img{object-position:70% center}
  .hero-media::after{background:linear-gradient(180deg,rgba(11,15,19,.42),rgba(11,15,19,.58) 48%,rgba(11,15,19,.93) 100%)}
  .hero-inner{padding-left:20px}
}