/* =========================================================
   RNK Grup İnşaat — Tesis Yönetimi
   Tema: Lacivert + Amber
   ========================================================= */
:root{
  --navy:#1B3768;
  --navy-2:#142B54;
  --deep:#0F2346;
  --amber:#F2A900;
  --amber-2:#D99700;
  --blue:#0284C0;
  --paper:#F2F5F9;
  --muted:#56627A;
  --line:#DCE3EC;
  --radius:12px;
  --nav-h:84px;
  --bs-body-font-family:'Poppins',system-ui,sans-serif;
  --bs-heading-color:inherit;
}

html{scroll-padding-top:calc(var(--nav-h) - 8px)}
h1,h2,h3,h4,h5,h6,.h1,.h2,.h3,.h4,.h5,.h6{color:inherit;font-family:inherit}
body{overflow-x:hidden;font-family:'Poppins',system-ui,sans-serif;color:var(--navy);background:#fff;font-size:15.5px;line-height:1.7}
a{color:var(--navy)}
a:hover{color:var(--amber-2)}
p{color:var(--muted)}
::selection{background:var(--amber);color:var(--deep)}

/* ---------- Ortak ---------- */
.section{padding:110px 0;position:relative;overflow:hidden}
.section-paper{background:var(--paper)}
.section-dark{background:var(--deep);color:#fff}
.section-dark p{color:#BCC9DC}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:.78rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--amber-2);margin-bottom:14px}
.section-dark .eyebrow{color:var(--amber)}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--amber)}
.section-title{font-size:clamp(1.9rem,3.4vw,2.8rem);font-weight:700;line-height:1.12;letter-spacing:-.015em;margin-bottom:18px}
.section-title em,.hl{font-style:normal;color:var(--amber-2)}
.section-dark .section-title em{color:var(--amber)}
.section-lead{font-size:1.06rem;max-width:720px}
.watermark{position:absolute;right:-140px;bottom:-120px;width:520px;opacity:.05;pointer-events:none;z-index:0}
.section > .container{position:relative;z-index:1}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:38px 38px;pointer-events:none}

.icon-box{width:52px;height:52px;border-radius:12px;background:var(--navy);color:var(--amber);display:inline-flex;align-items:center;justify-content:center;font-size:1.45rem;flex:none}
.icon-box.sm{width:44px;height:44px;font-size:1.2rem;border-radius:10px}
.icon-box.soft{background:rgba(242,169,0,.14)}

.btn{font-weight:600;border-radius:8px;padding:.8rem 1.5rem;letter-spacing:.01em}
.btn-amber{background:var(--amber);color:var(--deep);border:0}
.btn-amber:hover,.btn-amber:focus{background:#FFBC1F;color:var(--deep)}
.btn-outline-light{border-width:1.5px}
.btn-navy{background:var(--navy);color:#fff;border:0}
.btn-navy:hover{background:var(--deep);color:#fff}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Topbar & Navbar ---------- */
.topbar{background:var(--deep);color:#C7D3E2;font-size:.8rem;padding:8px 0}
.topbar a{color:#C7D3E2;text-decoration:none}
.topbar a:hover{color:var(--amber)}
.topbar i{color:var(--amber);margin-right:6px}
.navbar{background:#fff;padding:14px 0;transition:padding .3s ease,box-shadow .3s ease}
.navbar.scrolled{padding:8px 0;box-shadow:0 8px 30px rgba(15,35,70,.08)}
.navbar-brand img{height:46px;transition:height .3s ease}
.navbar.scrolled .navbar-brand img{height:38px}
.navbar .nav-link{color:var(--navy);font-weight:500;font-size:.93rem;padding:.5rem .8rem!important;position:relative}
.navbar .nav-link::after{content:"";position:absolute;left:.8rem;right:.8rem;bottom:2px;height:2px;background:var(--amber);transform:scaleX(0);transition:transform .25s ease;transform-origin:left}
.navbar .nav-link:hover::after,.navbar .nav-link.active::after{transform:scaleX(1)}
.navbar .nav-link.active{color:var(--navy)}
.navbar-toggler{border:0;font-size:1.7rem;color:var(--navy);padding:0}
.navbar-toggler:focus{box-shadow:none}

/* ---------- Hero ---------- */
.hero{background:var(--deep);color:#fff;position:relative;overflow:hidden;padding:120px 0 210px}
.hero .chev{position:absolute;right:-120px;top:50%;transform:translateY(-50%);width:560px;max-width:70vw;opacity:.95}
.hero .skyline{position:absolute;left:0;right:0;bottom:-2px;height:230px;background:url(../img/skyline.svg) center bottom/auto 100% repeat-x;opacity:.12}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:700;line-height:1.03;letter-spacing:-.025em;margin:10px 0 22px}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero p.lead{color:#C7D3E2;font-size:1.15rem;max-width:560px}
.hero .eyebrow{color:var(--amber)}
.hero .chips span{display:inline-block;border:1px solid rgba(255,255,255,.3);border-radius:40px;padding:6px 16px;font-size:.85rem;margin:0 8px 8px 0}

/* ---------- Hakkımızda ---------- */
.vm-card{background:var(--paper);border-radius:var(--radius);padding:28px;height:100%}
.vm-card h3{font-size:1.2rem;font-weight:700;display:flex;align-items:center;gap:14px;margin-bottom:12px}
.value{border:1px solid var(--line);border-radius:var(--radius);padding:22px;height:100%;background:#fff;display:flex;gap:16px;transition:transform .25s ease,box-shadow .25s ease}
.value:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(15,35,70,.08)}
.value h4{font-size:1.02rem;font-weight:600;margin-bottom:4px}
.value p{font-size:.9rem;margin:0}

/* ---------- Hizmet modelleri ---------- */
.model{border-radius:16px;padding:40px;height:100%;display:flex;flex-direction:column}
.model.dark{background:var(--navy);color:#fff}
.model.dark p{color:#BCC9DC}
.model.light{background:#fff;border:1px solid var(--line)}
.model .kick{font-size:.75rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);margin:22px 0 8px}
.model.light .kick{color:var(--amber-2)}
.model h3{font-size:1.9rem;font-weight:700;line-height:1.15;margin-bottom:12px}
.model ul{list-style:none;padding:0;margin:20px 0 30px}
.model li{display:flex;gap:12px;padding:10px 0;border-top:1px solid rgba(127,140,160,.25);font-size:.95rem}
.model li i{color:var(--amber)}
.model .btn{margin-top:auto;align-self:flex-start}

/* ---------- Hizmet alanları (tabs) ---------- */
.area-tabs{gap:10px;border:0}
.area-tabs .nav-link{border:1.5px solid var(--line);border-radius:40px;color:var(--navy);font-weight:600;padding:10px 22px;background:#fff;display:flex;align-items:center;gap:10px}
.area-tabs .nav-link i{color:var(--amber-2)}
.area-tabs .nav-link.active{background:var(--navy);border-color:var(--navy);color:#fff}
.area-tabs .nav-link.active i{color:var(--amber)}
.svc{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:26px;height:100%;display:flex;gap:18px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.svc:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(15,35,70,.09);border-color:transparent}
.svc h4{font-size:1.08rem;font-weight:600;margin-bottom:6px}
.svc p{font-size:.9rem;margin:0}
.svc.cta{background:var(--navy);border-color:var(--navy);flex-direction:column;justify-content:center}
.svc.cta h4{color:#fff;font-size:1.25rem}
.svc.cta p{color:#BCC9DC}
.svc.cta a{color:var(--amber);font-weight:600;text-decoration:none;margin-top:10px}
.legal-hero{background:var(--paper);border-radius:var(--radius);padding:28px;display:flex;gap:24px;align-items:center}
.legal-hero .icon-box{width:84px;height:84px;font-size:2.4rem;border-radius:16px}

/* ---------- Süreç ---------- */
.steps{position:relative}
.steps::before{content:"";position:absolute;left:35px;top:20px;bottom:20px;width:2px;background:rgba(255,255,255,.15)}
.step{display:flex;gap:26px;margin-bottom:22px;position:relative}
.step:last-child{margin-bottom:0}
.step .num{width:72px;height:72px;border-radius:50%;background:var(--amber);color:var(--deep);font-size:1.4rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 0 0 8px var(--deep)}
.step .body{flex:1;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:22px 26px;display:flex;gap:24px;align-items:center}
.step h4{font-size:1.15rem;font-weight:600;color:#fff;margin-bottom:4px}
.step p{margin:0;font-size:.93rem}
.step .out{flex:none;width:220px;border-left:2px solid var(--amber);padding-left:16px;font-size:.88rem;color:#fff;font-weight:500}
.step .out small{display:block;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:#8FA3C0;font-weight:600}
.principle{display:flex;gap:14px;align-items:center;font-weight:600}
.principle i{font-size:1.6rem;color:var(--amber)}

/* ---------- Yapılar ---------- */
.structure{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;height:100%;position:relative;transition:transform .25s ease,box-shadow .25s ease}
.structure:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(15,35,70,.09)}
.structure .no{position:absolute;right:24px;top:20px;font-size:2rem;font-weight:700;color:var(--line)}
.structure h4{font-size:1.12rem;font-weight:600;margin:18px 0 8px}
.structure p{font-size:.92rem}
.structure .tags span{display:inline-block;font-size:.75rem;font-weight:500;background:var(--paper);border-radius:6px;padding:4px 10px;margin:0 6px 6px 0}

/* ---------- Neden ---------- */
.why{background:var(--paper);border-radius:var(--radius);padding:28px;height:100%;display:flex;gap:20px}
.why .k{font-size:2.2rem;font-weight:700;color:var(--amber-2);line-height:1;min-width:52px}
.why h4{font-size:1.1rem;font-weight:600}
.why p{font-size:.92rem;margin:0}
.motto{background:var(--navy);color:#fff;border-radius:16px;padding:56px 48px;position:relative;overflow:hidden}
.motto .t{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:700;line-height:1.18}
.motto .t em{font-style:normal;color:var(--amber)}
.motto p{color:#BCC9DC;max-width:520px;margin:16px 0 0}
.motto svg{position:absolute;right:-40px;top:50%;transform:translateY(-50%);width:300px;opacity:.95}

/* ---------- SSS ---------- */
.faq .accordion-item{border:1px solid var(--line);border-radius:var(--radius)!important;margin-bottom:12px;overflow:hidden}
.faq .accordion-button{font-weight:600;color:var(--navy);font-size:1.02rem;padding:20px 24px;background:#fff;box-shadow:none}
.faq .accordion-button:not(.collapsed){background:var(--paper);color:var(--navy)}
.faq .accordion-button::after{background-image:none;content:"+";font-size:1.6rem;font-weight:400;color:var(--amber-2);transform:none;width:auto;height:auto;line-height:1}
.faq .accordion-button:not(.collapsed)::after{content:"–"}
.faq .accordion-body{color:var(--muted);padding:6px 24px 22px;background:var(--paper)}
.ask-box{background:var(--navy);color:#fff;border-radius:16px;padding:36px;height:100%}
.ask-box p{color:#BCC9DC}
.ask-box a{color:#fff;text-decoration:none;display:flex;align-items:center;gap:12px;font-weight:500;margin-top:10px}
.ask-box a i{color:var(--amber)}

/* ---------- Referanslar ---------- */
.ref{height:110px;border:1.5px dashed #C3CEDC;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;background:#fff;color:#9AA7BA;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;transition:border-color .25s ease}
.ref:hover{border-color:var(--amber)}
.ref img{max-width:75%;max-height:60%;filter:grayscale(1);opacity:.7;transition:filter .25s ease,opacity .25s ease}
.ref:hover img{filter:none;opacity:1}
.chip{display:inline-block;border:1.5px solid var(--navy);border-radius:40px;padding:6px 16px;font-size:.85rem;font-weight:500;margin:0 8px 10px 0}

/* ---------- İletişim ---------- */
.contact-row{display:flex;gap:18px;align-items:center;padding:18px 0;border-top:1px solid rgba(255,255,255,.12)}
.contact-row:last-of-type{border-bottom:1px solid rgba(255,255,255,.12)}
.contact-row small{display:block;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:#8FA3C0;font-weight:600}
.contact-row a,.contact-row span{color:#fff;text-decoration:none;font-weight:500;font-size:1.05rem}
.contact-row a:hover{color:var(--amber)}
.form-card{background:#fff;color:var(--navy);border-radius:16px;padding:36px}
.form-card .form-label{font-weight:500;font-size:.88rem}
.form-card .form-control,.form-card .form-select{border-radius:8px;border-color:var(--line);padding:.7rem .9rem}
.form-card .form-control:focus,.form-card .form-select:focus{border-color:var(--amber);box-shadow:0 0 0 .2rem rgba(242,169,0,.2)}
.map-wrap{border-radius:16px;overflow:hidden;line-height:0}
.map-wrap iframe{width:100%;height:340px;border:0;filter:grayscale(.3)}

/* ---------- Footer ---------- */
.footer{background:#0A1A36;color:#8FA3C0;padding:70px 0 0;font-size:.92rem}
.footer h5{color:#fff;font-size:1rem;font-weight:600;margin-bottom:18px}
.footer a{color:#8FA3C0;text-decoration:none}
.footer a:hover{color:var(--amber)}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:9px}
.footer .bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:50px;padding:22px 0;font-size:.83rem}

/* ---------- Yukarı çık ---------- */
.to-top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;background:var(--amber);color:var(--deep);border:0;font-size:1.3rem;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(0,0,0,.18);opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s ease;z-index:1030}
.to-top.show{opacity:1;visibility:visible;transform:none}

/* ---------- Modal ---------- */
.modal-content{border-radius:16px;border:0}
.modal-header{background:var(--navy);color:#fff;border:0;padding:22px 28px}
.modal-header .btn-close{filter:invert(1)}
.modal-body{padding:26px 28px}
.svc-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.svc-list div{display:flex;align-items:center;gap:12px;background:var(--paper);border-radius:8px;padding:11px 14px;font-weight:500;font-size:.92rem}
.svc-list i{color:var(--blue);font-size:1.1rem}

/* ---------- Responsive ---------- */
@media (max-width:991.98px){
  :root{--nav-h:72px}
  .section{padding:80px 0}
  .navbar-collapse{padding:14px 0}
  .navbar .nav-link::after{display:none}
  .hero{padding:90px 0 190px}
  .hero .chev{opacity:.25}
  .step .body{flex-direction:column;align-items:flex-start;gap:12px}
  .step .out{width:auto}
  .motto svg{opacity:.25}
}
@media (max-width:575.98px){
  body{font-size:15px}
  .model{padding:28px}
  .steps::before{left:27px}
  .step{gap:16px}
  .step .num{width:56px;height:56px;font-size:1.1rem}
  .svc-list{grid-template-columns:1fr}
  .legal-hero{flex-direction:column;align-items:flex-start}
  .motto{padding:40px 28px}
  .form-card{padding:24px}
}