/* ===== Protan Makina - Ortak Stil ===== */
:root{
  --navy:#161f4d;
  --navy-2:#1f2f7a;
  --accent:#e30613;
  --accent-2:#ff3b3b;
  --light:#f5f7fa;
  --gray:#5c6779;
  --white:#ffffff;
  --border:#e3e7ee;
  --shadow:0 10px 30px rgba(22,31,77,0.1);
  --radius:14px;
  --maxw:1200px;
  font-size:16px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Segoe UI',Arial,Helvetica,sans-serif;
  color:var(--navy);
  background:var(--white);
  line-height:1.6;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-alt{background:var(--light);}
.eyebrow{
  display:inline-block;
  color:var(--accent);
  font-weight:700;
  letter-spacing:1.5px;
  text-transform:uppercase;
  font-size:0.8rem;
  margin-bottom:10px;
}
.section-title{
  font-size:2.1rem;
  font-weight:800;
  color:var(--navy);
  margin:0 0 18px;
  line-height:1.25;
}
.section-lead{
  color:var(--gray);
  font-size:1.05rem;
  max-width:820px;
  margin-bottom:40px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 28px;
  border-radius:50px;
  font-weight:700;
  font-size:0.95rem;
  cursor:pointer;
  border:2px solid transparent;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--white);}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 8px 20px rgba(227,6,19,0.35);}
.btn-outline{border-color:var(--white);color:var(--white);}
.btn-outline:hover{background:var(--white);color:var(--navy);}
.btn-navy{background:var(--navy);color:var(--white);}
.btn-navy:hover{background:var(--navy-2);transform:translateY(-2px);}
.btn-block{width:100%;justify-content:center;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,0.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 16px rgba(22,31,77,0.06);
}
.navbar{
  max-width:var(--maxw);margin:0 auto;padding:10px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:800;font-size:1.3rem;letter-spacing:.5px;}
.brand-mark{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;
  color:var(--white);font-weight:900;font-size:1.1rem;
  flex-shrink:0;
}
.brand small{display:block;font-size:.62rem;font-weight:600;color:#b9c4d6;letter-spacing:1.5px;}

/* Logo chips: on dark backgrounds the transparent navy/red logo needs a light card.
   In the header itself the background is already light, so the logo sits directly on it, larger. */
.logo-chip{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--white);border-radius:8px;
  padding:6px 10px;flex-shrink:0;
}
.logo-chip img{display:block;}
.brand .logo-chip{height:64px;padding:0;background:transparent;}
.brand .logo-chip img{height:100%;width:auto;}
.footer-brand .logo-chip{height:44px;padding:6px 12px;margin-bottom:6px;background:var(--white);border-radius:8px;}
.footer-brand .logo-chip img{height:100%;width:auto;}
.exen-logo-chip{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--white);border-radius:12px;padding:14px 22px;
}
.exen-logo-chip img{height:34px;width:auto;display:block;}

.nav-main{display:flex;align-items:center;gap:4px;}
.nav-main > li{position:relative;}
.nav-main > li > a{
  display:flex;align-items:center;gap:6px;
  color:var(--navy);font-weight:600;font-size:.92rem;
  padding:12px 14px;border-radius:8px;
  transition:.2s;
}
.nav-main > li > a:hover,
.nav-main > li.active > a{color:var(--accent);background:rgba(22,31,77,0.06);}
.caret{font-size:.65rem;transition:transform .2s;}
.dropdown{
  position:absolute;top:100%;left:0;
  background:var(--white);
  min-width:230px;
  border-radius:12px;
  box-shadow:var(--shadow);
  padding:8px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.2s;
}
.nav-main > li:hover .dropdown,
.nav-main > li:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown li a{
  display:block;padding:11px 14px;border-radius:8px;
  color:var(--navy);font-weight:600;font-size:.9rem;
}
.dropdown li a:hover{background:var(--light);color:var(--accent);}

.lang-switch{display:flex;align-items:center;gap:2px;border:1px solid var(--border);border-radius:50px;padding:3px;}
.lang-switch a{padding:6px 11px;border-radius:50px;font-size:.76rem;font-weight:700;color:var(--gray);transition:.2s;}
.lang-switch a.active{background:var(--navy);color:var(--white);}
.lang-switch a:not(.active):hover{color:var(--navy);}

.header-actions{display:flex;align-items:center;gap:10px;}
.portal-btn{
  padding:10px 18px;border-radius:50px;font-weight:700;font-size:.82rem;
  border:2px solid var(--navy);color:var(--navy);
  display:flex;align-items:center;gap:6px;transition:.2s;
}
.portal-btn.dealer{background:var(--accent);border-color:var(--accent);color:var(--white);}
.portal-btn.dealer:hover{background:var(--accent-2);border-color:var(--accent-2);}
.portal-btn.service{background:transparent;}
.portal-btn.service:hover{background:rgba(22,31,77,0.06);}
.menu-toggle{
  display:none;background:none;border:none;color:var(--navy);
  font-size:1.6rem;cursor:pointer;
}

/* ===== Hero Slider ===== */
.hero{
  position:relative;min-height:640px;display:flex;align-items:center;
  overflow:hidden;color:var(--white);
}
.hero-slide{
  position:absolute;inset:0;
  display:flex;align-items:center;
  opacity:0;transition:opacity 1s ease;
  background-size:cover;background-position:center;
}
.hero-slide.active{opacity:1;}
.hero-slide::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(22,31,77,0.94) 30%,rgba(22,31,77,0.55) 100%);
}
.hero-content{position:relative;z-index:2;max-width:680px;padding:0 24px;margin:0 auto;width:100%;}
.hero-content .eyebrow{color:var(--accent-2);}
.hero-content h1{
  font-size:3rem;font-weight:900;line-height:1.15;margin:0 0 20px;
}
.hero-content p{font-size:1.15rem;color:#dce4f2;max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-dots{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  display:flex;gap:10px;z-index:3;
}
.hero-dots button{
  width:34px;height:5px;border-radius:4px;border:none;background:rgba(255,255,255,0.35);
  cursor:pointer;transition:.25s;
}
.hero-dots button.active{background:var(--accent);}

/* ===== About block ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.about-visual{
  border-radius:var(--radius);
  min-height:420px;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 60%,var(--accent) 160%);
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.about-visual .stat-badge{
  position:absolute;bottom:24px;left:24px;
  background:rgba(255,255,255,0.95);
  border-radius:12px;padding:18px 22px;box-shadow:var(--shadow);
}
.stat-badge .num{font-size:2.1rem;font-weight:900;color:var(--accent);line-height:1;}
.stat-badge .label{font-size:.78rem;color:var(--gray);font-weight:700;text-transform:uppercase;letter-spacing:.5px;}
.about-visual svg{width:55%;opacity:.9;}
.about-text p{color:var(--gray);margin-bottom:16px;}

/* ===== Cards / Services 360 ===== */
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.service-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 26px;box-shadow:var(--shadow);transition:.25s;
}
.service-card:hover{transform:translateY(-6px);border-color:var(--accent);}
.service-card .icon{
  width:56px;height:56px;border-radius:14px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--white);
}
.service-card h3{font-size:1.1rem;margin:0 0 12px;color:var(--navy);}
.service-card p{color:var(--gray);font-size:.92rem;margin:0;}

/* ===== Tech section ===== */
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.tech-card{
  background:var(--navy);color:var(--white);border-radius:var(--radius);
  padding:30px;position:relative;overflow:hidden;
}
.tech-card::after{
  content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;
  background:radial-gradient(circle,rgba(227,6,19,0.35),transparent 70%);
}
.tech-card h3{margin:0 0 10px;font-size:1.05rem;}
.tech-card p{color:#c3cee2;font-size:.88rem;margin:0;}

/* ===== EXEN CTA ===== */
.exen-cta{
  background:linear-gradient(120deg,var(--navy),var(--navy-2));
  color:var(--white);border-radius:24px;
  padding:60px;display:flex;justify-content:space-between;align-items:center;gap:40px;
  flex-wrap:wrap;
}
.exen-cta h2{font-size:1.9rem;margin:0 0 12px;}
.exen-cta p{color:#c3cee2;max-width:480px;margin:0;}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.contact-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 22px;text-align:left;
}
.contact-card .icon{
  width:46px;height:46px;border-radius:12px;background:var(--light);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--accent);
}
.contact-card h4{margin:0 0 8px;font-size:.95rem;text-transform:uppercase;letter-spacing:.5px;color:var(--gray);}
.contact-card p{margin:0;font-weight:700;color:var(--navy);font-size:.98rem;}

/* ===== Page hero (inner pages) ===== */
.page-hero{
  background:linear-gradient(120deg,var(--navy),var(--navy-2));
  color:var(--white);padding:70px 0 50px;
}
.breadcrumb{color:#aab8d1;font-size:.85rem;margin-bottom:14px;}
.breadcrumb a{color:#aab8d1;}
.breadcrumb a:hover{color:var(--white);}
.page-hero h1{font-size:2.3rem;margin:0;font-weight:900;}

/* ===== Generic content blocks ===== */
.content-block{max-width:900px;}
.content-block h2{color:var(--navy);font-size:1.5rem;margin:36px 0 14px;}
.content-block h2:first-child{margin-top:0;}
.content-block p{color:var(--gray);margin-bottom:14px;}
.content-block ul{margin:0 0 20px;padding-left:0;}
.content-block ul li{
  color:var(--gray);padding-left:26px;position:relative;margin-bottom:10px;
}
.content-block ul li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);
}

.two-col{display:grid;grid-template-columns:1.3fr 1fr;gap:50px;align-items:start;}
.side-card{
  background:var(--light);border-radius:var(--radius);padding:26px;margin-bottom:20px;
}
.side-card h3{margin:0 0 14px;font-size:1.05rem;color:var(--navy);}
.side-card ul li{color:var(--gray);}

.step-list{display:flex;flex-direction:column;gap:16px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-num{
  width:38px;height:38px;border-radius:50%;background:var(--accent);color:var(--white);
  display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0;
}
.step-item h4{margin:0 0 4px;color:var(--navy);}
.step-item p{margin:0;color:var(--gray);font-size:.92rem;}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  transition:.25s;background:var(--white);
}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.news-thumb{
  height:170px;background:linear-gradient(135deg,var(--navy),var(--navy-2));
  display:flex;align-items:center;justify-content:center;color:var(--accent-2);font-weight:800;
}
.news-body{padding:22px;}
.news-date{color:var(--accent);font-size:.78rem;font-weight:700;text-transform:uppercase;margin-bottom:8px;display:block;}
.news-body h3{margin:0 0 10px;font-size:1.05rem;color:var(--navy);}
.news-body p{margin:0;color:var(--gray);font-size:.9rem;}

/* ===== Contact split panel ===== */
.contact-panel{
  display:grid;grid-template-columns:1fr 1.2fr;
  background:var(--white);border-radius:24px;overflow:hidden;box-shadow:var(--shadow);
}
.contact-panel-info{background:var(--navy);color:var(--white);padding:48px 40px;}
.contact-panel-info .info-item{margin-bottom:28px;}
.contact-panel-info .info-item h4{
  display:flex;align-items:center;gap:8px;
  font-size:.78rem;text-transform:uppercase;letter-spacing:.5px;
  color:#aab8d1;margin:0 0 8px;font-weight:700;
}
.contact-panel-info .info-item p{margin:0;font-weight:600;font-size:1rem;line-height:1.5;}
.contact-panel-info .info-logo{margin-top:8px;}
.contact-panel-form{padding:48px 40px;}
.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);
  font-size:.95rem;background:var(--light);font-family:inherit;resize:vertical;min-height:120px;
}
.field textarea:focus{outline:2px solid var(--accent);background:var(--white);}
@media(max-width:820px){
  .contact-panel{grid-template-columns:1fr;}
}

/* ===== Portal pages ===== */
.portal-wrap{
  min-height:70vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(120deg,var(--navy),var(--navy-2));padding:60px 20px;
}
.portal-box{
  background:var(--white);border-radius:20px;max-width:420px;width:100%;
  padding:44px 36px;box-shadow:0 30px 60px rgba(0,0,0,0.35);
}
.portal-box .brand-mark{margin:0 auto 18px;}
.portal-box h2{text-align:center;margin:0 0 6px;color:var(--navy);}
.portal-box p.sub{text-align:center;color:var(--gray);font-size:.9rem;margin-bottom:28px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.82rem;font-weight:700;color:var(--navy);margin-bottom:6px;}
.field input{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);
  font-size:.95rem;background:var(--light);
}
.field input:focus{outline:2px solid var(--accent);background:var(--white);}
.portal-note{
  margin-top:18px;background:#fff4ec;border:1px solid #ffd9bd;color:#9a4b17;
  font-size:.82rem;padding:12px 14px;border-radius:10px;text-align:center;
}
.portal-links{text-align:center;margin-top:16px;font-size:.85rem;}
.portal-links a{color:var(--accent);font-weight:700;}

/* ===== Footer ===== */
.site-footer{background:var(--navy);color:#c3cee2;padding:60px 0 24px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px;margin-bottom:40px;}
.footer-brand p{color:#96a4bf;font-size:.9rem;margin-top:14px;}
.footer-col h4{color:var(--white);font-size:.95rem;margin:0 0 18px;text-transform:uppercase;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:#aab8d1;font-size:.9rem;}
.footer-col ul li a:hover{color:var(--accent-2);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:.82rem;color:#8393b0;
}

/* ===== Responsive ===== */
@media(max-width:960px){
  .about-grid,.two-col{grid-template-columns:1fr;}
  .cards-grid{grid-template-columns:repeat(2,1fr);}
  .tech-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-content h1{font-size:2.2rem;}
}
@media(max-width:820px){
  .menu-toggle{display:block;}
  .nav-main{
    position:fixed;top:86px;left:0;right:0;
    height:calc(100vh - 86px);
    background:var(--navy);flex-direction:column;align-items:stretch;
    padding:20px;gap:2px;overflow-y:auto;
    transform:translateX(-100%);transition:.3s;
  }
  .nav-main.open{transform:translateX(0);}
  .nav-main > li > a{padding:14px 10px;color:#dfe6f2;}
  .nav-main > li > a:hover,
  .nav-main > li.active > a{color:var(--white);background:rgba(255,255,255,0.08);}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,0.05);display:none;margin-top:4px;}
  .nav-main > li.open .dropdown{display:block;}
  .dropdown li a{color:#dfe6f2;}
  .dropdown li a:hover{color:var(--accent-2);background:rgba(255,255,255,0.06);}
  .header-actions{display:none;}
  .nav-mobile-actions{
    display:flex;flex-direction:column;gap:10px;
    padding:16px 10px 6px;margin-top:10px;
    border-top:1px solid rgba(255,255,255,0.12);
  }
  .nav-mobile-actions .portal-btn{justify-content:center;}
  .nav-mobile-actions .portal-btn.service{border-color:rgba(255,255,255,0.4);color:var(--white);}
  .nav-mobile-actions .portal-btn.service:hover{background:rgba(255,255,255,0.12);}
  .nav-mobile-actions .lang-switch{align-self:center;border-color:rgba(255,255,255,0.3);margin-bottom:4px;}
  .nav-mobile-actions .lang-switch a{color:#c3cee2;}
  .nav-mobile-actions .lang-switch a.active{background:var(--accent);color:var(--white);}
}
@media(min-width:821px){
  .nav-mobile-actions{display:none;}
}
@media(max-width:600px){
  .cards-grid,.tech-grid,.contact-grid,.news-grid{grid-template-columns:1fr;}
  .exen-cta{padding:36px 26px;text-align:center;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .hero{min-height:560px;}
  .hero-content h1{font-size:1.8rem;}
  .section{padding:56px 0;}
}