/* Form İnşaat — açık teknik blueprint + süreç hattı kimliği (mürekkep + blueprint mavi + inşaat turuncu) */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
body{overflow-x:clip;margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.08;letter-spacing:-.01em;font-weight:700;text-transform:uppercase;overflow-wrap:anywhere;word-break:break-word}
p{margin:0;text-transform:none}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,36px)}
.wrap-narrow{max-width:820px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--on-accent);padding:10px 16px;z-index:200}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

.eyebrow{display:inline-flex;align-items:center;gap:.55em;font-size:.76rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-family:var(--font)}
.eyebrow::before{content:"";width:10px;height:10px;border:2px solid var(--accent);transform:rotate(45deg)}

/* buttons (sharp, technical) */
.btn{display:inline-flex;align-items:center;gap:.55em;justify-content:center;font-weight:700;font-size:.95rem;letter-spacing:.04em;text-transform:uppercase;padding:.85em 1.5em;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:.16s;line-height:1;font-family:var(--font)}
.btn-primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.btn-primary:hover{background:transparent;color:var(--accent)}
.btn-secondary{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-secondary:hover{background:var(--brand);color:var(--on-brand)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-lg{padding:1em 1.9em;font-size:1rem}
.btn-block{width:100%}
.btn-sm{padding:.55em .95em;font-size:.82rem}

/* topbar */
.topbar{background:var(--brand);color:#c3d2ec;font-size:.82rem}
.topbar-in{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:40px;padding:6px 0}
.topbar-note{display:inline-flex;align-items:center;gap:.5em;letter-spacing:.04em}
.topbar-note .ic{color:var(--accent)}
.topbar-call{display:inline-flex;align-items:center;gap:.45em;font-weight:700;color:#fff;white-space:nowrap}
.topbar-call .ic{color:var(--accent)}

/* header */
.site-head{position:sticky;top:0;z-index:100;background:rgba(244,246,248,.94);backdrop-filter:saturate(140%) blur(8px);border-bottom:2px solid var(--brand)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:var(--radius);background:var(--brand);color:var(--on-brand)}
.brand-txt{display:flex;flex-direction:column;line-height:1.05}
.brand-txt b{font-size:1.24rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--text)}
.brand-txt span{font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:2px}
.site-nav a{padding:.55em .8em;font-weight:700;font-size:.86rem;letter-spacing:.04em;text-transform:uppercase;color:var(--text);position:relative}
.site-nav a:hover{color:var(--accent)}
.site-nav a.active{color:var(--accent)}
.nav-cta{margin-left:10px;background:var(--accent);color:var(--on-accent)!important;padding:.66em 1.2em!important;border-radius:var(--radius);font-weight:700}
.nav-cta:hover{filter:brightness(1.08)}
.burger{display:none;flex-direction:column;gap:5px;width:46px;height:42px;border:2px solid var(--brand);border-radius:var(--radius);background:var(--surface);cursor:pointer;align-items:center;justify-content:center}
.burger span{width:22px;height:2px;background:var(--brand)}

/* blueprint hero */
.bp-hero{position:relative;border-bottom:2px solid var(--brand);background:
  linear-gradient(var(--bp-grid,rgba(22,69,143,.06)) 1px,transparent 1px),
  linear-gradient(90deg,var(--bp-grid,rgba(22,69,143,.06)) 1px,transparent 1px),var(--bg);
  background-size:28px 28px,28px 28px;padding:clamp(40px,6vw,84px) 0}
.bp-hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,56px);align-items:center}
.bp-hero-in>*{min-width:0}
.bp-tag{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.16em;color:var(--accent);border:1px solid var(--accent);padding:.4em .8em;margin-bottom:1.2em}
.bp-hero h1{font-size:clamp(2.2rem,5.4vw,3.8rem);color:var(--text);margin-bottom:.4em}
.bp-hero h1 b{color:var(--accent)}
.bp-hero .lede{font-size:1.06rem;color:var(--muted);max-width:46ch;text-transform:none}
.bp-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.8em}

/* spec sheet (hero art) */
.spec{background:var(--surface);border:2px solid var(--brand);border-radius:var(--radius)}
.spec-top{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;background:var(--brand);color:#fff}
.spec-top b{font-size:.86rem;letter-spacing:.1em;text-transform:uppercase;display:flex;align-items:center;gap:.5em}
.spec-top span{font-size:.7rem;color:#aebfe0;letter-spacing:.06em}
.spec-rows{padding:6px 18px 14px}
.spec-row{display:flex;align-items:baseline;gap:10px;padding:13px 0;border-bottom:1px dashed var(--line)}
.spec-row:last-child{border-bottom:none}
.spec-row .sr-k{font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.spec-row .sr-dot{flex:1;border-bottom:1px dotted var(--line);transform:translateY(-4px)}
.spec-row .sr-v{font-weight:700;color:var(--text);font-size:1.02rem}
.spec-foot{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--brand)}
.spec-foot div{padding:14px;text-align:center;border-right:1px solid var(--line)}
.spec-foot div:last-child{border-right:none}
.spec-foot b{display:block;font-size:1.4rem;color:var(--accent)}
.spec-foot span{font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

/* stats band */
.statband{background:var(--brand);color:#fff;border-bottom:2px solid var(--brand)}
.statband-in{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14)}
.statband-in>div{background:var(--brand);padding:24px 18px;text-align:center}
.statband-in b{display:block;font-size:clamp(1.6rem,3vw,2.2rem);color:#fff}
.statband-in span{font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:#aebfe0}

/* sections */
.section{padding:clamp(50px,8vw,108px) 0}
.section-tint{background:var(--surface);border-top:2px solid var(--line);border-bottom:2px solid var(--line)}
.section-deep{background:var(--brand);color:#fff;border-top:2px solid var(--brand);border-bottom:2px solid var(--brand)}
.sec-head{max-width:700px;margin-bottom:clamp(28px,4vw,48px)}
.sec-head h2{font-size:clamp(1.8rem,3.8vw,2.7rem);margin:.4em 0 .4em;color:var(--text)}
.sec-head p{color:var(--muted);text-transform:none}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-deep .sec-head h2{color:#fff}
.section-deep .sec-head p{color:#c3d2ec}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none}

/* service INDEX (numbered hairline rows) */
.svc-index{border-top:2px solid var(--brand)}
.svc-ix{display:flex;align-items:center;gap:clamp(16px,3vw,34px);padding:26px 4px;border-bottom:1px solid var(--line);transition:.16s}
.svc-ix:hover{background:var(--surface);padding-left:16px}
.svc-ix .ix-no{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;color:var(--accent);flex:0 0 auto;min-width:1.6em}
.svc-ix .ix-ic{display:grid;place-items:center;width:52px;height:52px;border:1px solid var(--brand);color:var(--brand);flex:0 0 auto}
.svc-ix .ix-main{flex:1;min-width:0}
.svc-ix .ix-main h3{font-size:1.2rem;color:var(--text);margin-bottom:.2em}
.svc-ix .ix-main p{color:var(--muted);font-size:.94rem;text-transform:none}
.svc-ix .ix-tag{display:inline-block;margin-top:.5em;font-size:.78rem;font-weight:700;letter-spacing:.04em;color:var(--accent)}
.svc-ix .ix-go{flex:0 0 auto;color:var(--brand)}
.svc-ix:hover .ix-go{color:var(--accent)}

/* PROCESS TIMELINE (centerpiece) */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:30px;height:2px;background:rgba(255,255,255,.2)}
.tl-step{position:relative;text-align:left}
.tl-step .tl-node{width:62px;height:62px;border-radius:50%;background:var(--brand);border:2px solid var(--accent);display:grid;place-items:center;color:#fff;position:relative;z-index:1}
.tl-step .tl-no{font-size:.74rem;font-weight:700;letter-spacing:.1em;color:var(--accent);margin:16px 0 6px}
.tl-step h3{font-size:1.05rem;color:#fff;margin-bottom:.3em}
.tl-step p{color:#c3d2ec;font-size:.88rem;text-transform:none}

/* projects technical grid */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,22px)}
.proj-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.16s;min-width:0}
.proj-card:hover{border-color:var(--accent);box-shadow:0 16px 30px -24px rgba(17,22,28,.4)}
.proj-media{position:relative;aspect-ratio:16/10;background:repeating-linear-gradient(45deg,#e7edf4,#e7edf4 10px,#eef2f7 10px,#eef2f7 20px);display:grid;place-items:center;color:#9fb0c4}
.proj-media img{width:100%;height:100%;object-fit:cover}
.proj-ph{opacity:.7}
.proj-tag{position:absolute;top:0;left:0;background:var(--accent);color:var(--on-accent);font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:.34em .8em}
.proj-body{padding:18px;display:flex;flex-direction:column;flex:1}
.proj-body h3{font-size:1.06rem;color:var(--text);margin-bottom:.5em}
.proj-body p{color:var(--muted);font-size:.9rem;flex:1;text-transform:none}
.proj-foot{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.82rem;color:var(--muted)}
.proj-foot b{color:var(--accent)}

/* reviews */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,22px)}
.rev{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;min-width:0}
.rev-stars{display:flex;gap:2px;color:var(--accent);margin-bottom:12px}
.rev blockquote{margin:0;font-size:.96rem;color:var(--text);flex:1;text-transform:none}
.rev figcaption{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.rev figcaption strong{display:block;color:var(--brand)}
.rev figcaption span{font-size:.82rem;color:var(--muted)}

/* page head + inner shared */
.page-head{background:var(--surface);border-bottom:2px solid var(--line);padding:clamp(36px,5vw,64px) 0}
.page-head h1{font-size:clamp(1.9rem,4vw,2.8rem);margin:.3em 0 .35em;color:var(--text)}
.page-head .lede{color:var(--muted);max-width:64ch;font-size:1.04rem;text-transform:none}
.crumb{font-size:.84rem;color:var(--muted);margin-bottom:.8em;text-transform:uppercase;letter-spacing:.06em}
.crumb a:hover{color:var(--accent)}

/* svc-list (hizmetler page) -> reuse index look */
.svc-list{display:flex;flex-direction:column;gap:0;border-top:2px solid var(--brand)}
.svc-row{display:flex;align-items:center;gap:20px;background:var(--surface);border-bottom:1px solid var(--line);padding:24px 6px;transition:.16s}
.svc-row:hover{padding-left:16px}
.svc-no{font-weight:700;color:var(--accent);font-size:1.4rem;flex:0 0 auto}
.svc-ic{display:grid;place-items:center;width:52px;height:52px;border:1px solid var(--brand);color:var(--brand);flex:0 0 auto}
.svc-main{flex:1;min-width:0}
.svc-main h3{font-size:1.18rem;color:var(--text);margin-bottom:.25em}
.svc-main p{color:var(--muted);font-size:.92rem;text-transform:none}
.svc-tag{display:inline-flex;align-items:center;gap:.4em;margin-top:8px;font-size:.8rem;font-weight:700;color:var(--accent)}
.svc-aside{flex:0 0 auto}
.svc-go{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--line);color:var(--brand)}
.svc-row:hover .svc-go{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}

/* detail */
.detail-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:clamp(24px,4vw,48px);align-items:start}
.detail-grid>*{min-width:0}
.detail-body p{margin-bottom:1.1em;color:#2d3742}
.detail-img{width:100%;border-radius:var(--radius);margin-bottom:1.4em;border:1px solid var(--line)}
.side-box{position:sticky;top:90px;background:var(--surface);border:2px solid var(--brand);border-radius:var(--radius);padding:24px}
.side-box h3{font-size:1.1rem;margin-bottom:.6em;color:var(--text)}
.side-price{display:flex;align-items:center;gap:.5em;color:var(--accent);font-weight:700;margin-bottom:14px}
.side-box .btn{margin-bottom:10px}
.side-sep{font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:18px 0 10px}
.side-list li{margin-bottom:4px}
.side-list a{display:flex;align-items:center;gap:.6em;padding:.55em .5em;color:var(--text);font-size:.92rem}
.side-list a:hover{background:var(--bg);color:var(--accent)}
.side-list .ic{color:var(--accent)}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gal-item{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.gal-item img{aspect-ratio:4/3;object-fit:cover;width:100%}
.gal-item .ph{aspect-ratio:4/3;display:grid;place-items:center;color:#9fb0c4;background:repeating-linear-gradient(45deg,#e7edf4,#e7edf4 10px,#eef2f7 10px,#eef2f7 20px)}
.gal-item figcaption{padding:12px 14px;font-size:.86rem;color:var(--muted)}

/* faq */
.faq{display:flex;flex-direction:column;gap:0;border-top:2px solid var(--brand)}
.faq details{background:var(--surface);border-bottom:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 4px;font-weight:700;cursor:pointer;list-style:none;color:var(--text);text-transform:none}
.faq summary::-webkit-details-marker{display:none}
.faq-mark{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;background:var(--accent)}
.faq-mark::before{left:0;top:7px;width:16px;height:2px}
.faq-mark::after{left:7px;top:0;width:2px;height:16px;transition:.2s}
.faq details[open] .faq-mark::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 4px 20px;color:var(--muted)}

/* contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(22px,4vw,44px);align-items:start}
.contact-grid>*{min-width:0}
.ci-card{display:flex;align-items:center;gap:14px;background:var(--brand);color:#fff;padding:22px;border-radius:var(--radius);margin-bottom:16px}
.ci-ic{display:grid;place-items:center;width:48px;height:48px;border-radius:var(--radius);background:rgba(255,255,255,.14);color:var(--accent)}
.ci-card small{font-size:.74rem;color:#aebfe0;letter-spacing:.06em;text-transform:uppercase}
.ci-big{font-size:1.25rem;font-weight:700;color:#fff}
.ci-list li{display:flex;align-items:center;gap:.7em;padding:.6em 0;border-bottom:1px solid var(--line);color:var(--text);font-size:.94rem}
.ci-list .ic{color:var(--accent);flex:0 0 auto}
.contact-form{background:var(--surface);border:2px solid var(--brand);border-radius:var(--radius);padding:clamp(20px,3vw,32px)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:.4em;color:var(--text)}
.field input,.field select,.field textarea{width:100%;padding:.78em .9em;border:1px solid var(--line);border-radius:var(--radius);font:inherit;background:var(--bg);color:var(--text)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.hp{position:absolute;left:-9999px;width:1px;height:1px}

/* article */
.article p{margin-bottom:1.1em;color:#2d3742}
.article-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.8em}

/* cta */
.cta{padding:clamp(44px,6vw,84px) 0}
.cta-in{background:var(--brand);color:#fff;border:2px solid var(--accent);border-radius:var(--radius);padding:clamp(28px,5vw,54px);display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-in>div{min-width:0}
.cta-in h2{font-size:clamp(1.6rem,3vw,2.3rem);margin:.3em 0 .35em;color:#fff}
.cta-in p{color:#c3d2ec;max-width:48ch;text-transform:none}
.cta-in .eyebrow{color:var(--accent)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* empty + alerts */
.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.empty .ic{color:var(--line);margin-bottom:10px}
.alert{padding:14px 18px;border-radius:var(--radius);margin:18px 0;font-size:.94rem;border:1px solid}
.alert-success{background:#e7f4ec;border-color:#bfe0cd;color:#1f6b41}
.alert-error{background:#fbeae8;border-color:#f1c6bf;color:#9a3325}

/* footer */
.site-foot{background:var(--brand);color:#aebfe0;padding:clamp(42px,6vw,76px) 0 26px;border-top:4px solid var(--accent)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:clamp(22px,4vw,40px)}
.foot-grid>*{min-width:0}
.foot-brand .brand{margin-bottom:14px}
.foot-brand .brand-txt b{color:#fff}
.foot-brand .brand-mark{background:var(--accent);color:var(--on-accent)}
.foot-brand p{color:#9fb0d0;font-size:.92rem;margin-bottom:16px;max-width:42ch}
.foot-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:#fff;margin-bottom:14px}
.foot-col li{margin-bottom:9px}
.foot-col a{color:#9fb0d0;font-size:.92rem}
.foot-col a:hover{color:var(--accent)}
.foot-iletisim li{display:flex;align-items:flex-start;gap:.6em;color:#9fb0d0;font-size:.9rem;margin-bottom:11px}
.foot-iletisim .ic{color:var(--accent);flex:0 0 auto;margin-top:2px}
.foot-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:.84rem;color:#7d8fb0}
.foot-bottom a:hover{color:var(--accent)}

/* fab */
.fab{position:fixed;right:18px;bottom:18px;z-index:90;display:grid;place-items:center;width:56px;height:56px;border-radius:50%;box-shadow:0 12px 30px -8px rgba(0,0,0,.4)}
.fab-wa{background:#25d366;color:#fff}
.fab-wa:hover{transform:translateY(-3px)}

/* responsive */
@media(max-width:960px){
  .bp-hero-in,.contact-grid,.detail-grid{grid-template-columns:1fr}
  .side-box{position:static}
  .proj-grid,.rev-grid{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr;gap:24px}
  .timeline::before{display:none}
  .statband-in{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .burger{display:flex}
  .site-nav{position:fixed;inset:0 0 0 auto;width:min(82vw,320px);flex-direction:column;align-items:stretch;gap:4px;background:var(--surface);padding:84px 22px 30px;display:none;box-shadow:-20px 0 50px -20px rgba(0,0,0,.3);overflow-y:auto;z-index:120;border-left:2px solid var(--brand)}
  .navtoggle:checked~.site-nav{display:flex}
  .site-nav a{padding:.85em 1em;border-bottom:1px solid var(--line)}
  .nav-cta{margin-left:0;text-align:center;margin-top:10px}
}
@media(max-width:680px){
  .proj-grid,.rev-grid,.gallery,.timeline,.statband-in{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .sec-head-row{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr}
  .topbar-in{justify-content:center}
  .topbar-note{display:none}
  .svc-ix{gap:14px}
}
@media(max-width:480px){
  .svc-row{gap:13px;padding:22px 4px}
  .svc-ic{width:44px;height:44px}
  .svc-no{font-size:1.1rem}
  .svc-aside{display:none}
  .svc-ix{gap:12px}
  .svc-ix .ix-no{font-size:1.4rem;min-width:1.2em}
  .svc-ix .ix-ic{width:44px;height:44px}
  .svc-ix .ix-go{display:none}
}
@media(max-width:430px){
  .foot-grid{grid-template-columns:1fr}
  .bp-actions .btn,.cta-actions .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:#b7c4d4;border:3px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}