:root{
  --bg:#f5f7fa;
  --surface:#ffffff;
  --surface-2:#f0f3f7;
  --text:#13212f;
  --muted:#5f6f7f;
  --line:rgba(19,33,47,.10);
  --primary:#0c5a7d;
  --primary-2:#123d5a;
  --accent:#c9a35d;
  --dark:#0d1824;
  --shadow:0 20px 60px rgba(7,22,37,.08);
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --container:min(1300px, calc(100% - 32px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(12,90,125,.08), transparent 28%),
    radial-gradient(circle at top right, rgba(201,163,93,.10), transparent 22%),
    linear-gradient(180deg,#f8fafc 0%,#eef2f6 100%);
  line-height:1.65;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
p{margin:0 0 1rem}
h1,h2,h3,h4{margin:0 0 1rem; line-height:1.1; letter-spacing:-.02em}
ul{padding-left:1.1rem}
.container{width:var(--container);margin:auto}
.section{padding:60px 0}
.section-sm{padding:0px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.82rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary)
}
.eyebrow::before{
  content:"";width:36px;height:1px;background:rgba(12,90,125,.35)
}
.section-head{
  display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:34px;flex-wrap:wrap
}
.section-head h2{font-size:clamp(2rem,3vw,3.4rem);max-width:680px}
.section-head p{max-width:540px;color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  padding:15px 24px;border-radius:999px;border:1px solid transparent;
  font-weight:700;transition:.28s ease;cursor:pointer
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 18px 40px rgba(12,90,125,.22)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-secondary{background:rgba(255,255,255,.76);border-color:rgba(255,255,255,.6);backdrop-filter:blur(12px)}
.btn-outline{border:1px solid var(--line);background:transparent}
.btn-outline:hover,.nav-cta:hover{background:#fff}
.topbar{
  border-bottom:1px solid rgba(255,255,255,.2);
  color:#d6dde6;background:rgba(9,17,26,.84);backdrop-filter:blur(12px)
}
.topbar .inner{
  width:var(--container);margin:auto;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:10px 0;font-size:.92rem
}
.topbar a{color:#e9eef4}
.site-header{
  position:sticky;top:0;z-index:30;
  backdrop-filter:blur(16px);
  background:rgba(248,250,252,.74);
  border-bottom:1px solid rgba(19,33,47,.06)
}
.navbar{
  width:var(--container);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0
}
.brand{
  display:flex;align-items:center;gap:16px;min-width:0
}
.brand-mark{
  width:56px;height:56px;border-radius:18px;
  background:linear-gradient(135deg,#0d1824,#123d5a 55%,#0c5a7d);
  color:#fff;display:grid;place-items:center;
  box-shadow:0 14px 30px rgba(13,24,36,.20);
  position:relative;overflow:hidden
}
.brand-mark::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,transparent 20%,rgba(255,255,255,.14) 100%)
}
.brand-mark span{font-size:1.05rem;font-weight:800;position:relative;z-index:1;letter-spacing:.08em}
.brand-text{min-width:0}
.brand-name{font-size:1.05rem;font-weight:800;letter-spacing:.18em}
.brand-sub{font-size:.78rem;color:var(--muted);max-width:470px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-links{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.nav-links a{
  padding:10px 14px;border-radius:999px;font-weight:600;color:#274052
}
.nav-links a.active,.nav-links a:hover{background:rgba(18,61,90,.08);color:var(--primary-2)}
.nav-cta{padding:12px 18px;border-radius:999px;border:1px solid var(--line);font-weight:700}
.mobile-toggle{display:none;border:none;background:#fff;border-radius:14px;padding:10px 12px;box-shadow:var(--shadow)}
.hero{
  padding:45px 0 48px;position:relative;overflow:hidden
}
.hero-grid{
  width:var(--container);margin:auto;
  display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch
}
.hero-copy,.hero-panel{
  border-radius:34px;background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.78);
  box-shadow:var(--shadow);backdrop-filter:blur(12px)
}
.hero-copy{padding:48px}
.hero-copy h1{font-size:clamp(2rem,3vw,5.3rem);max-width:15ch}
.hero-copy p{font-size:1.08rem;color:var(--muted);max-width:62ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 34px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px
}
.metric{
  padding:18px;border-radius:22px;background:linear-gradient(180deg,#fff, #f6f8fb);border:1px solid rgba(19,33,47,.06)
}
.metric strong{display:block;font-size:1.75rem}
.metric span{font-size:.94rem;color:var(--muted)}
.hero-panel{
  padding:24px;display:grid;grid-template-rows:auto auto 1fr;gap:18px;background:linear-gradient(180deg,#102030 0%,#132a3f 100%);color:#eef5fb
}
.panel-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.10);border-radius:28px;padding:24px
}
.panel-card h3{font-size:1.5rem}
.panel-card p{color:#d7e0ea}
.panel-list{display:grid;gap:14px}
.panel-item{
  display:flex;justify-content:space-between;gap:18px;padding:16px 18px;border-radius:20px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10)
}
.panel-item small{color:#b8c7d5;display:block}
.panel-item strong{display:block}
.grid-3,.grid-2{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  border-radius:var(--radius-xl);padding:28px;background:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow)
}
.service-card{
  display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden
}
.service-card::after{
  content:"";position:absolute;inset:auto -20px -20px auto;width:120px;height:120px;
  background:radial-gradient(circle, rgba(12,90,125,.14), transparent 68%)
}
.service-icon{
  width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,#eff5f9,#dfeaf1);display:grid;place-items:center;
  font-size:1.4rem
}
.service-card h3{font-size:1.35rem;margin-bottom:.2rem}
.service-card p{color:var(--muted)}
.service-link{margin-top:auto;font-weight:700;color:var(--primary)}
.band{
  background:linear-gradient(135deg,#0e1c2a,#13324b 70%,#194565);
  color:#eff5fb;border-radius:36px;padding:34px;box-shadow:var(--shadow)
}
.band-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
.band p{color:#d7e2ec}
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center
}
.visual{
  min-height:430px;border-radius:32px;overflow:hidden;position:relative;background:linear-gradient(180deg, rgba(13,24,36,.08), rgba(13,24,36,.2))
}
.visual.project{
  background:linear-gradient(180deg, rgba(13,24,36,.08), rgba(13,24,36,.18))
}
.visual.contact{
  background:linear-gradient(180deg, rgba(13,24,36,.12), rgba(13,24,36,.22))
}
.visual::after{
  content:"";position:absolute;inset:auto 24px 24px 24px;height:120px;border-radius:24px;
  background:linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.06));
  border:1px solid rgba(255,255,255,.24);backdrop-filter:blur(10px)
}
.content-block{padding:8px 0}
.content-block h2{font-size:clamp(2rem,3.2vw,3.25rem)}
.content-block p{color:var(--muted)}
.feature-list{display:grid;gap:14px;margin-top:24px}
.feature-item{
  display:flex;gap:14px;padding:16px 18px;border-radius:20px;background:#fff;border:1px solid rgba(19,33,47,.08)
}
.feature-item span{font-size:1.1rem}
.project-card{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:0;overflow:hidden;padding:0
}
.project-media{
  min-height:240px;background:linear-gradient(180deg, rgba(13,24,36,.08), rgba(13,24,36,.18))
}
.project-body{padding:28px}
.project-meta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.badge{
  padding:8px 12px;border-radius:999px;background:rgba(12,90,125,.08);color:var(--primary);font-size:.85rem;font-weight:700
}
.project-body p{color:var(--muted)}
.list-clean{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.list-clean li{
  padding:18px 20px;border-radius:20px;background:#fff;border:1px solid rgba(19,33,47,.08)
}
.timeline{display:grid;gap:18px}
.timeline-item{
  display:grid;grid-template-columns:88px 1fr;gap:18px;align-items:start
}
.timeline-year{
  padding:16px;border-radius:18px;background:#102030;color:#fff;font-weight:800;text-align:center
}
.highlight-box{
  padding:24px;border-radius:26px;background:linear-gradient(180deg,#fff,#f6f8fb);border:1px solid rgba(19,33,47,.08)
}
.services-tabs{
  display:grid;grid-template-columns:340px 1fr;gap:24px
}
.tab-buttons{display:grid;gap:12px}
.tab-btn{
  width:100%;text-align:left;padding:18px 20px;border-radius:20px;border:1px solid rgba(19,33,47,.08);
  background:rgba(255,255,255,.78);cursor:pointer;font:inherit;font-weight:700;color:var(--text);transition:.2s ease
}
.tab-btn.active,.tab-btn:hover{background:#102030;color:#fff;border-color:#102030}
.tab-panels .tab-panel{
  display:none;grid-template-columns:1fr 1.15fr;gap:0;overflow:hidden;padding:0
}
.tab-panels .tab-panel.active{display:grid}
.tab-image{
  min-height:100%;background-size:cover;background-position:center
}
.tab-content{padding:30px}
.tab-content p{color:var(--muted)}
.contact-grid{
  display:grid;grid-template-columns:.92fr 1.08fr;gap:24px
}
.contact-card{display:grid;gap:18px}
.info-row{
  display:flex;gap:14px;padding:16px 18px;border-radius:20px;background:#fff;border:1px solid rgba(19,33,47,.08)
}
.info-row strong{display:block;margin-bottom:4px}
.map-wrap{
  overflow:hidden;border-radius:32px;border:1px solid rgba(19,33,47,.08);box-shadow:var(--shadow);min-height:420px
}
.map-wrap iframe{width:100%;height:100%;min-height:420px;border:0}
.footer{
  margin-top:32px;padding:32px 0 46px;border-top:1px solid rgba(19,33,47,.08)
}
.footer-grid{
  width:var(--container);margin:auto;display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:24px
}
.footer p,.footer li,.footer a{color:var(--muted)}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.copy{width:var(--container);margin:18px auto 0;color:var(--muted);font-size:.92rem}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease, transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media (max-width: 1080px){
  .hero-grid,.band-grid,.split,.services-tabs,.contact-grid,.footer-grid,.project-card,.tab-panels .tab-panel{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 820px){
  .mobile-toggle{display:block}
  .nav-links{
    position:absolute;left:16px;right:16px;top:92px;display:none;flex-direction:column;align-items:stretch;
    background:rgba(255,255,255);border:1px solid rgba(19,33,47,.08);padding:14px;border-radius:24px;box-shadow:var(--shadow)
  }
  .nav-links.show{display:flex}
  .nav-links a,.nav-cta{text-align:center}
  .brand-sub{display:none}
  .hero-copy{padding:34px}
  .hero-metrics,.grid-3,.grid-2{grid-template-columns:1fr}
  .timeline-item{grid-template-columns:1fr}
}


.site-logo{
  height:60px;
  width:auto;
  display:block;
  object-fit:contain;
}
.brand-logo-only{
  padding:0;
  min-width:auto;
}

.proje-actions.center{
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-logo{height:60px}

.preloader{
  position:fixed;inset:0;z-index:9999;
  background:rgba(13,24,36,.14);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .35s ease, visibility .35s ease;
}
.preloader.hide{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
}
.preloader-inner{
  display:grid;gap:14px;justify-items:center;
}
.preloader-ring{
  width:54px;height:54px;border-radius:50%;
  border:2px solid rgba(255,255,255,.18);
  border-top-color:rgba(201,163,93,.95);
  animation:spin .8s linear infinite;
  box-shadow:0 8px 28px rgba(0,0,0,.10);
}
.preloader-text{
  color:#ffffff;font-size:.72rem;font-weight:700;letter-spacing:.28em;
  text-shadow:0 1px 10px rgba(0,0,0,.18);
}
@keyframes spin{to{transform:rotate(360deg)}}


.hero-panel-visual{
  min-height:280px;border-radius:28px;overflow:hidden;position:relative;
  background:linear-gradient(180deg, rgba(7,22,37,.12), rgba(7,22,37,.34));
  border:1px solid rgba(255,255,255,.10);
}
.hero-panel-visual::after{
  content:"";position:absolute;inset:auto 18px 18px 18px;height:86px;border-radius:22px;
  background:linear-gradient(180deg, rgba(255,255,255,.16), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px);
}
.band .highlight-box{
  background:rgba(255,255,255,.96);
  border:1px solid rgba(19,33,47,.08);
}
.band .highlight-box h3{margin-bottom:12px;color:var(--dark)}
.band .highlight-box p,
.band .highlight-box li{color:var(--text)}
.projects-cta{
  margin-top:30px;
  display:flex;
  justify-content:center;
}
@media (max-width:820px){
  .site-logo{height:60px}
}


.bg-cover-inline{
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
}