/* Vortechs Mühendislik & Danışmanlık — site stilleri */
:root{
  --ink:#1d1d1b;
  --blue:#4d7ec0;
  --blue-d:#3d6aa6;
  --navy:#0f2238;
  --pale:#e6edf6;
  --soft:#f6f8fb;
  --line:#dfe6ef;
  --wrap:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Montserrat',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}
h1,h2,h3{line-height:1.15;margin:0 0 .6em}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:92px}
.brand img{height:48px;width:auto}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{font-size:13px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);padding:8px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.main-nav a:hover{color:var(--blue)}
.main-nav a.active{color:var(--blue);font-weight:700;border-bottom-color:var(--blue)}
.menu-btn{display:none;background:none;border:0;padding:10px;cursor:pointer}
.menu-btn span{display:block;width:26px;height:2px;background:var(--ink);margin:6px 0;transition:.25s}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:#000;overflow:hidden}
.hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.55) 0,rgba(0,0,0,.15) 55%,rgba(0,0,0,0) 100%)}
.hero.right::after{background:linear-gradient(270deg,rgba(6,16,30,.85) 0,rgba(6,16,30,.35) 55%,rgba(6,16,30,0) 100%)}
.hero .wrap{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;min-height:clamp(300px,34vw,470px);padding-top:40px;padding-bottom:40px}
.hero.right .wrap{align-items:flex-end;text-align:right}
.hero.tall .wrap{min-height:clamp(420px,46vw,620px)}
.hero.bottom .wrap{justify-content:flex-end}
.hero h1{font-size:clamp(30px,4.2vw,56px);font-weight:700;letter-spacing:.02em;margin:0}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#8fb4e3;margin-bottom:14px}
.hero p{font-size:clamp(17px,1.6vw,22px);max-width:560px;margin:0 0 26px}
.hero.right p{max-width:520px;font-size:15px}

.btn{display:inline-block;background:var(--blue);color:#fff;font-weight:600;font-size:15px;padding:15px 34px;border:0;cursor:pointer;transition:background .2s,transform .2s;letter-spacing:.02em}
.btn:hover{background:var(--blue-d);transform:translateY(-1px)}
.btn.ghost{background:transparent;border:2px solid var(--blue);color:var(--blue)}
.btn.ghost:hover{background:var(--blue);color:#fff}

/* ---------- Sections ---------- */
.section{padding:84px 0}
.section.pale{background:var(--pale)}
.section.navy{background:var(--navy);color:#fff}
.section-title{font-size:clamp(26px,3vw,38px);font-weight:700;text-align:center;margin-bottom:46px}
.section-title.left{text-align:left}
.lead{font-size:18px;max-width:820px}
.center{text-align:center}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.cards.tiles .card{aspect-ratio:3/4}
.card{position:relative;display:block;aspect-ratio:4/5;overflow:hidden;background:#000;color:#fff}
.card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card:hover img{transform:scale(1.06)}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.72) 0,rgba(0,0,0,.05) 46%,rgba(0,0,0,.82) 100%)}
.card .t{position:absolute;z-index:2;top:22px;left:20px;right:20px;font-weight:700;font-size:clamp(20px,1.9vw,27px);line-height:1.12}
.card .d{position:absolute;z-index:2;left:20px;right:20px;bottom:18px;font-size:13px;line-height:1.4;opacity:.95}
.card .more{position:absolute;z-index:2;right:18px;top:18px;width:34px;height:34px;border-radius:50%;background:var(--blue);display:grid;place-items:center;opacity:0;transform:translateY(-6px);transition:.25s}
.card:hover .more{opacity:1;transform:none}

/* ---------- Metin blokları ---------- */
.two-col{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:stretch}
.two-col .photo{position:relative;min-height:420px;background:#000}
.two-col .photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.panel{background:var(--pale);padding:46px 52px}
.panel h2{font-size:34px;margin-bottom:22px}
.panel p{margin:0 0 16px}
.prose p{margin:0 0 18px;font-size:16.5px}
.prose h2{font-size:26px;margin:44px 0 14px;color:var(--navy)}
.prose h3{font-size:19px;margin:28px 0 8px;color:var(--blue)}
.prose ul{margin:0 0 18px;padding-left:22px}
.prose li{margin:0 0 8px}
.prose .note{background:var(--pale);border-left:4px solid var(--blue);padding:20px 24px;margin:34px 0}

/* ---------- İstatistik ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;text-align:center}
.stat b{display:block;font-size:clamp(32px,4vw,52px);font-weight:700;color:var(--navy);line-height:1.1}
.stat span{display:block;margin-top:10px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}

/* ---------- CTA ---------- */
.cta{background:var(--pale);padding:90px 0}
.cta-box{background:#fff;max-width:640px;margin:0 auto;padding:54px 48px;text-align:center;box-shadow:0 12px 40px rgba(15,34,56,.12)}
.cta-box h2{font-size:28px}
.cta-box p{font-size:19px;margin:0 0 28px}

/* ---------- Kapanış ---------- */
.closing{padding:80px 0;text-align:center;border-top:1px solid var(--line)}
.closing img{height:80px;width:auto;margin:0 auto 26px}
.closing p{font-size:clamp(20px,2.2vw,30px);max-width:760px;margin:0 auto}

/* ---------- Referanslar ---------- */
.logos{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.logo-cell{background:#fff;border:1px solid var(--line);aspect-ratio:3/2;display:grid;place-items:center;padding:22px;transition:box-shadow .25s,transform .25s}
.logo-cell:hover{box-shadow:0 10px 30px rgba(15,34,56,.12);transform:translateY(-3px)}
.logo-cell{overflow:hidden;min-width:0}
.logo-cell img{max-height:130px;max-width:100%;width:auto;height:auto;object-fit:contain}
.name-list{columns:3;column-gap:40px;margin:0;padding:0;list-style:none;font-weight:500}
.name-list li{padding:6px 0;break-inside:avoid;border-bottom:1px solid var(--line)}

/* ---------- İletişim ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:46px}
.c-card{border:1px solid var(--line);border-radius:10px;padding:26px 28px;position:relative;background:#fff}
.c-card h3{color:var(--blue);font-size:18px;margin:0 0 10px}
.c-card p{margin:0;font-size:15px}
.c-card a:hover{color:var(--blue)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.form label{display:block;font-size:13px;font-weight:600;margin:0 0 6px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form input,.form textarea{width:100%;font:inherit;padding:13px 14px;border:1px solid #c9d4e2;border-radius:4px;background:#fff;margin-bottom:18px}
.form input:focus,.form textarea:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.form textarea{min-height:170px;resize:vertical}
.map{border:0;width:100%;height:100%;min-height:380px;background:var(--pale)}
.small{font-size:13px;color:#5a6575}

/* ---------- Proje / hizmet detay ---------- */
.detail{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:56px;align-items:start}
.aside{position:sticky;top:116px;display:grid;gap:22px}
.aside .box{background:var(--pale);padding:28px}
.aside .box h3{font-size:18px;margin-bottom:10px;color:var(--navy)}
.aside img{width:100%}
.crumb{font-size:13px;margin-bottom:16px;color:#d4e2f5}
.crumb a:hover{text-decoration:underline}
.tag{display:inline-block;background:var(--pale);color:var(--navy);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:6px 12px;margin:0 8px 8px 0}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#cdd9e8;padding:64px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px}
.site-footer img.flogo{height:46px;width:auto;margin-bottom:18px}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.1em;text-transform:uppercase;margin:0 0 16px}
.site-footer a{display:block;padding:4px 0;color:#cdd9e8}
.site-footer a:hover{color:#fff}
.site-footer p{margin:0 0 8px}
.copy{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;text-align:center;font-size:13px}

/* ---------- Mobil ---------- */
@media (max-width:1100px){
  .cards{grid-template-columns:repeat(3,1fr)}
  .logos{grid-template-columns:repeat(4,1fr)}
  .main-nav{gap:20px}
}
@media (max-width:900px){
  .menu-btn{display:block}
  .main-nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:6px 28px 18px;display:none}
  .main-nav.open{display:flex}
  .main-nav a{width:100%;padding:13px 0;border-bottom:1px solid var(--line)}
  .menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .two-col,.detail,.contact-grid{grid-template-columns:1fr}
  .aside{position:static}
  .two-col .photo{min-height:300px}
  .cards{grid-template-columns:repeat(2,1fr);gap:16px}
  .stats,.contact-cards{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .name-list{columns:2}
  .section{padding:60px 0}
  .panel{padding:32px 26px}
}
@media (max-width:560px){
  .wrap{padding:0 18px}
  .cards{grid-template-columns:1fr}
  .logos{grid-template-columns:repeat(2,1fr);gap:14px}
  .foot-grid{grid-template-columns:1fr}
  .name-list{columns:1}
  .form .row{grid-template-columns:1fr}
  .brand img{height:40px}
  .header-in{min-height:76px}
  .cta-box{padding:36px 22px}
}

/* ---------- ek bloklar ---------- */
.tiles-band{background:linear-gradient(180deg,#fff 0,#fff 42%,var(--navy) 42%,var(--navy) 100%);padding:70px 0 80px}
.page-head{background:var(--navy);color:#fff;padding:60px 0}
.page-head h1{margin:0;font-size:clamp(28px,3.4vw,44px)}
.hero .eyebrow{margin-bottom:10px}
/* ---------- iletişim: telefon düğmeleri ---------- */
.phone-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.btn.call,.btn.wa{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;font-size:14px}
.btn.wa{background:#25D366;color:#fff}
.btn.wa:hover{background:#1ebe5a}
.map-wrap .map{min-height:440px}
.site-footer .social,footer .social{display:inline-flex;align-items:center;gap:8px;margin-top:6px}
.mail-fallback{font-size:13px;margin:12px 0 0;color:#555}.mail-fallback a{color:var(--blue-d)}
.map-wrap .map{background:var(--pale) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%234d7ec0' d='M12 2a7 7 0 0 0-7 7c0 5.2 7 13 7 13s7-7.8 7-13a7 7 0 0 0-7-7zm0 9.5A2.5 2.5 0 1 1 12 6.5a2.5 2.5 0 0 1 0 5z'/%3E%3C/svg%3E") center/56px no-repeat;border:0;border-radius:8px;width:100%}

.logos .logo-cell{padding:14px}.logos .logo-cell img{max-height:90px}@media(max-width:700px){.logos{grid-template-columns:repeat(3,1fr);gap:10px}.logos .logo-cell{padding:8px}}
.logos .logo-cell{position:relative;display:block;aspect-ratio:4/3;padding:0}.logos .logo-cell img{position:absolute;inset:16px;width:calc(100% - 32px);height:calc(100% - 32px);max-height:none;max-width:none;object-fit:contain}@media(max-width:700px){.logos .logo-cell img{inset:10px;width:calc(100% - 20px);height:calc(100% - 20px)}}

.slider{position:relative;margin-top:26px;background:var(--navy);border-radius:8px;overflow:hidden;user-select:none}
.slider .slides{position:relative;aspect-ratio:4/3}
.slider .slide{position:absolute;inset:0;opacity:0;transition:opacity .5s;pointer-events:none}
.slider .slide.on{opacity:1;pointer-events:auto}
.slider .slide img{width:100%;height:100%;object-fit:contain;display:block}
.slider .s-prev,.slider .s-next{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.85);color:var(--navy);font-size:28px;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0 0 3px}
.slider .s-prev:hover,.slider .s-next:hover{background:#fff}
.slider .s-prev{left:12px}.slider .s-next{right:12px}
.slider .dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px}
.slider .dots button{width:10px;height:10px;border-radius:50%;border:0;padding:0;background:rgba(255,255,255,.5);cursor:pointer}
.slider .dots button.on{background:#fff}
.slider{margin-bottom:28px}
.stats.two{grid-template-columns:repeat(2,1fr);max-width:760px;margin:0 auto}@media(max-width:700px){.stats.two{grid-template-columns:1fr}}
.slider.single .s-prev,.slider.single .s-next,.slider.single .dots{display:none}
.hero h1.eyebrow{font-size:13px;letter-spacing:.14em;line-height:1.4;margin:0 0 10px}

.cookie-bar{position:fixed;left:16px;right:16px;bottom:16px;z-index:200;max-width:960px;margin:0 auto;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 40px rgba(15,34,56,.25);padding:18px 20px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.cookie-bar[hidden]{display:none}
.cookie-bar p{margin:0;flex:1 1 360px;font-size:14px;line-height:1.55}
.cookie-bar p a{color:var(--blue-d);text-decoration:underline}
.cookie-actions{display:flex;gap:10px;flex:0 0 auto}
.cookie-actions .btn{padding:11px 22px;font-size:14px}
.map-consent{min-height:440px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;background:var(--pale);border-radius:8px;padding:24px}
.map-consent[hidden],.map[hidden]{display:none}
.map-consent p{margin:0;max-width:420px}
.copy-links{display:block;margin-top:8px}
.copy .copy-links a{display:inline;padding:0;margin:0 10px;text-decoration:underline}
@media(max-width:560px){.cookie-actions{width:100%}.cookie-actions .btn{flex:1}}