*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:hidden;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
  --fd:'Space Grotesk',system-ui,sans-serif;
  --mono:'Space Grotesk',ui-monospace,monospace;
  --sh-sm:0 2px 10px -6px rgba(21,24,28,.4);
  --sh:0 18px 40px -26px rgba(21,24,28,.5);
  --pad:clamp(18px,4vw,44px)}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:.15s}a:hover{color:var(--accent)}
h1,h2,h3{font-family:var(--fd);font-weight:700;line-height:1.08;letter-spacing:-.02em;margin:0 0 .4em}
p{margin:0 0 1rem}
.kapsa{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--pad)}
.kapsa-dar{max-width:860px}
.atla{position:absolute;left:-999px}.atla:focus{left:12px;top:12px;background:var(--brand);color:#fff;padding:11px 18px;z-index:200}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:.74rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent)}

/* HEADER */
.ust{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}
.ust-ic{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--brand);font-family:var(--fd);font-weight:700;font-size:1.34rem;letter-spacing:-.02em}.logo:hover{color:var(--brand)}
.logo-im{display:inline-flex;color:var(--accent)}
.nav{display:flex;align-items:center;gap:2px}
.nav a{color:var(--text);font-size:.9rem;font-weight:500;padding:10px 14px}
.nav a:hover{color:var(--accent)}
.nav a[aria-current=page]{color:var(--accent)}
.nav-cta{display:inline-flex;align-items:center;gap:7px;background:var(--accent)!important;color:#fff!important;padding:12px 20px!important;font-weight:600;font-size:.82rem!important;letter-spacing:.08em;text-transform:uppercase;margin-left:10px}
.nav-cta:hover{background:var(--brand)!important;color:#fff!important}
.nav-ac,.nav-dugme{display:none}
.nav-dugme{flex-direction:column;gap:5px;width:46px;height:46px;justify-content:center;align-items:center;cursor:pointer}
.nav-dugme span{width:26px;height:2px;background:var(--brand);transition:.2s}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:52px;padding:14px 30px;border-radius:var(--radius);font-family:var(--mono);font-weight:600;font-size:.84rem;letter-spacing:.08em;text-transform:uppercase;border:2px solid transparent;cursor:pointer;transition:.16s}
.btn:hover{text-decoration:none}
.btn-bir{background:var(--accent);color:#fff}
.btn-bir:hover{background:var(--brand);color:#fff}
.btn-iki{background:transparent;color:var(--brand);border-color:color-mix(in srgb,var(--brand) 30%,transparent)}
.btn-iki:hover{border-color:var(--brand);background:var(--brand);color:#fff}

.bolum{padding:clamp(60px,9vw,128px) 0}
.bolum-koyu{background:var(--brand);color:#fff}
.bolum-koyu h2,.bolum-koyu h3{color:#fff}
.bolum-koyu .eyebrow{color:color-mix(in srgb,var(--accent) 60%,#fff)}.bolum-koyu .eyebrow::before{background:color-mix(in srgb,var(--accent) 60%,#fff)}
.bolum-yumusak{background:color-mix(in srgb,var(--brand) 4%,var(--bg))}
.bolum-cta{padding:clamp(40px,6vw,84px) 0}
.bolum-bas{max-width:740px;margin-bottom:clamp(34px,5vw,60px)}
.bolum-bas h1,.bolum-bas h2{font-size:clamp(1.9rem,4.6vw,3.1rem)}
.bolum-bas p{color:var(--muted);font-size:1.12rem;margin:.5rem 0 0}
.bolum-koyu .bolum-bas p{color:color-mix(in srgb,#fff 75%,transparent)}

/* HERO */
.hero{padding:clamp(52px,8vw,118px) 0}
.hero h1{font-size:clamp(2.4rem,6.4vw,4.6rem);line-height:1.02;letter-spacing:-.03em;max-width:16ch}
.hero-lead{font-size:clamp(1.1rem,2.1vw,1.36rem);color:var(--muted);max-width:60ch;margin:1.3rem 0 2.2rem}
.hero-dugmeler{display:flex;flex-wrap:wrap;gap:14px}
.hero-etiket{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px}
.hero-etiket span{font-family:var(--mono);font-size:.78rem;font-weight:500;letter-spacing:.04em;color:var(--brand);background:var(--surface);border:1px solid var(--line);padding:9px 16px;border-radius:999px}

/* METRIK BAND */
.metrik-band{background:var(--brand);color:#fff;border-top:3px solid var(--accent)}
.metrik-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
.metrik{padding:clamp(28px,4vw,44px) clamp(14px,2vw,28px);border-right:1px solid color-mix(in srgb,#fff 14%,transparent);border-bottom:1px solid color-mix(in srgb,#fff 14%,transparent)}
.metrik b{display:block;font-family:var(--fd);font-size:clamp(2rem,4.5vw,3.2rem);font-weight:700;color:#fff;line-height:1;letter-spacing:-.02em}
.metrik span{display:block;margin-top:10px;color:color-mix(in srgb,#fff 68%,transparent);font-size:.92rem}

/* MOD / HIZMET kartları — numaralı */
.mod-izgara{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.mod-kart{position:relative;display:flex;flex-direction:column;gap:12px;padding:clamp(26px,3vw,38px);background:var(--surface);border-right:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--text);transition:.2s}
.mod-kart:hover{color:var(--text);background:var(--brand);z-index:1}
.mod-kart:hover h3,.mod-kart:hover .mod-no{color:#fff}
.mod-kart:hover p{color:color-mix(in srgb,#fff 75%,transparent)}
.mod-kart:hover .mod-ikon{background:var(--accent);color:#fff;border-color:var(--accent)}
.mod-no{position:absolute;top:clamp(20px,3vw,32px);right:clamp(20px,3vw,32px);font-family:var(--mono);font-size:.9rem;font-weight:600;color:var(--muted);letter-spacing:.06em}
.mod-ikon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border:1px solid var(--line);border-radius:var(--radius);color:var(--accent);transition:.2s}
.mod-kart h3{font-size:1.3rem;margin:6px 0 0}
.mod-kart p{color:var(--muted);font-size:.98rem;margin:0;flex:1}
.mod-ikon-buyuk{width:66px;height:66px;margin-bottom:10px}

/* SEKTÖR */
.sektor-izgara{display:grid;grid-template-columns:1fr;gap:16px}
.sektor-kart{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);padding:24px}
.sektor-kart h3{font-size:1.18rem;margin-bottom:.35em}
.sektor-kart p{color:var(--muted);font-size:.95rem;margin:0}

/* NEDEN (koyu) */
.neden-izgara{display:grid;grid-template-columns:1fr;gap:28px}
.neden-ikon{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border:1px solid color-mix(in srgb,#fff 18%,transparent);border-radius:var(--radius);color:var(--accent);margin-bottom:16px}
.neden-kart h3{font-size:1.22rem;margin-bottom:.4em}
.neden-kart p{color:color-mix(in srgb,#fff 74%,transparent);margin:0;font-size:.98rem}

/* SUREC */
.surec-izgara{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:0;counter-reset:s;border-top:1px solid var(--line)}
.surec-izgara li{padding:28px 0;border-bottom:1px solid var(--line);position:relative;padding-left:76px}
.surec-no{position:absolute;left:0;top:28px;font-family:var(--fd);font-size:1.6rem;font-weight:700;color:var(--accent)}
.surec-izgara h3{font-size:1.24rem;margin-bottom:.3em}
.surec-izgara p{color:var(--muted);margin:0}

/* SSS */
.sss{border-top:1px solid var(--line)}
.sss details{border-bottom:1px solid var(--line)}
.sss summary{cursor:pointer;list-style:none;padding:24px 4px;font-family:var(--fd);font-size:1.18rem;font-weight:600;color:var(--brand);display:flex;justify-content:space-between;align-items:center;gap:16px}
.sss summary::-webkit-details-marker{display:none}
.sss summary::after{content:"+";font-size:1.5rem;font-weight:400;color:var(--accent);line-height:1}
.sss details[open] summary::after{content:"\2013"}
.sss details p{padding:0 4px 24px;margin:0;color:var(--muted);max-width:70ch;line-height:1.65}

/* CTA */
.cta-bant{background:var(--brand);color:#fff;padding:clamp(34px,5vw,60px);display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;border-left:4px solid var(--accent)}
.cta-bant h2{color:#fff;margin:0;font-size:clamp(1.6rem,3.4vw,2.5rem);max-width:18ch}
.cta-bant p{color:color-mix(in srgb,#fff 76%,transparent);margin:8px 0 0;font-size:1.08rem}

/* DETAY */
.detay{display:grid;gap:clamp(28px,4vw,52px);grid-template-columns:1fr}
.yan-kutu{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--accent);padding:clamp(24px,3vw,32px);position:sticky;top:96px}
.yan-kutu h2{font-size:1.3rem}.yan-kutu p{color:var(--muted);font-size:.96rem}
.yan-tel{margin:14px 0 0;text-align:center;font-family:var(--mono);font-weight:600}
.icerik-blok{max-width:760px;font-size:1.08rem;line-height:1.75}.icerik-blok p{color:var(--text)}

/* TEKLIF FORM */
.teklif-form .tf-grid{display:grid;grid-template-columns:1fr;gap:14px}
.tf-gizli{position:absolute;left:-9999px}
.teklif-form .alan{display:flex;flex-direction:column;gap:6px;margin:0 0 14px}
.teklif-form label{font-family:var(--mono);font-size:.74rem;font-weight:500;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.teklif-form input,.teklif-form select,.teklif-form textarea{font-family:var(--font);font-size:1rem;padding:12px 13px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--text);width:100%}
.teklif-form input:focus,.teklif-form select:focus,.teklif-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}
.teklif-form textarea{min-height:120px;resize:vertical}
.tf-buton{width:100%;margin-top:8px}
.form-baslik{font-size:1.4rem;margin-bottom:18px}
.iletisim-liste{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.iletisim-liste li{display:flex;flex-direction:column;gap:3px;color:var(--text)}
.iletisim-liste span{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}

.uyari{padding:14px 16px;border-radius:var(--radius);border:1px solid var(--line);margin-bottom:18px;font-size:.95rem}
.uyari-basari{background:color-mix(in srgb,#1f8f5f 12%,var(--surface));border-color:#1f8f5f;color:#155f3e}
.uyari-hata{background:color-mix(in srgb,#b3261e 10%,var(--surface));border-color:#b3261e;color:#8a1d16}
.bos-durum{text-align:center;padding:56px 22px;color:var(--muted);border:1px dashed var(--line)}.bos-durum h3{font-size:1.4rem}

/* FOOTER */
.alt{background:var(--brand);color:#fff;padding-top:clamp(52px,7vw,84px)}
.alt a{color:color-mix(in srgb,#fff 82%,transparent)}.alt a:hover{color:#fff}
.alt-ic{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:44px}
.alt-logo{display:flex;align-items:center;gap:11px;color:#fff;font-family:var(--fd);font-size:1.3rem;font-weight:700;margin-bottom:12px}
.alt-logo .logo-im{color:var(--accent)}
.alt-sutun p{color:color-mix(in srgb,#fff 70%,transparent);font-size:.96rem;max-width:34ch}
.alt-sutun h3{font-family:var(--mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:600;margin-bottom:16px}
.alt-sutun ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.alt-sutun ul a{font-size:.96rem}
.alt-iletisim li{color:color-mix(in srgb,#fff 70%,transparent);font-size:.94rem;margin-bottom:10px;line-height:1.5}
.alt-serit{border-top:1px solid color-mix(in srgb,#fff 14%,transparent)}
.alt-serit-ic{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;padding:22px 0;color:color-mix(in srgb,#fff 58%,transparent);font-family:var(--mono);font-size:.78rem}
.alt-links{display:flex;gap:20px}

@media(min-width:620px){
  .teklif-form .tf-grid{grid-template-columns:1fr 1fr}
  .mod-izgara{grid-template-columns:repeat(2,1fr)}
  .sektor-izgara{grid-template-columns:repeat(2,1fr)}
  .neden-izgara{grid-template-columns:repeat(2,1fr)}
  .metrik-grid{grid-template-columns:repeat(4,1fr)}
  .metrik:nth-child(4){border-right:0}
}
@media(min-width:980px){
  .mod-izgara{grid-template-columns:repeat(3,1fr)}
  .sektor-izgara{grid-template-columns:repeat(3,1fr)}
  .neden-izgara{grid-template-columns:repeat(4,1fr)}
  .surec-izgara{grid-template-columns:repeat(2,1fr);column-gap:48px}
  .detay{grid-template-columns:1.8fr 1fr}
  .alt-ic{grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:44px}
}
@media(max-width:979px){
  .nav-dugme{display:flex}
  .nav{position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:10px var(--pad) 20px;transform:translateY(-145%);transition:transform .25s;box-shadow:var(--sh)}
  .nav a{padding:14px 6px;border-bottom:1px solid var(--line)}
  .nav-cta{margin:12px 0 0;justify-content:center}
  .nav-ac:checked~.nav{transform:translateY(0)}
  .nav-ac:checked~.nav-dugme span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-ac:checked~.nav-dugme span:nth-child(2){opacity:0}
  .nav-ac:checked~.nav-dugme span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .yan-kutu{position:static}
}