/* ===========================================================
   YAPI KRAL İnşaat — Kurumsal Tema (Siyah & Sarı)
=========================================================== */
:root{
    --primary:#FFC107;
    --primary-dark:#e6a700;
    --dark:#0f0f0f;
    --dark-2:#161616;
    --dark-3:#1f1f1f;
    --gray:#6b6b6b;
    --light-gray:#9a9a9a;
    --text:#2a2a2a;
    --white:#ffffff;
    --radius:14px;
    --shadow:0 18px 50px rgba(0,0,0,.12);
    --shadow-dark:0 18px 50px rgba(0,0,0,.5);
    --trans:.35s cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--text);line-height:1.7;background:#fff;overflow-x:hidden}
h1,h2,h3,h4,h5{font-family:'Poppins',sans-serif;font-weight:800;line-height:1.2;color:var(--dark)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
section{position:relative}

/* ===== Butonlar ===== */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 32px;border-radius:50px;font-weight:600;font-family:'Poppins',sans-serif;font-size:15px;cursor:pointer;border:2px solid transparent;transition:var(--trans);position:relative;overflow:hidden}
.btn-primary{background:var(--primary);color:#111}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-3px);box-shadow:0 12px 30px rgba(255,193,7,.4)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline:hover{background:#fff;color:#111;border-color:#fff}
.btn-lg{padding:18px 42px;font-size:17px}
.btn-block{width:100%;justify-content:center}

/* ===== Section başlıkları ===== */
.section-head{text-align:center;max-width:680px;margin:0 auto 60px}
.section-subtitle{display:inline-block;color:var(--primary-dark);font-weight:700;font-family:'Poppins',sans-serif;text-transform:uppercase;letter-spacing:3px;font-size:14px;margin-bottom:14px;position:relative;padding-left:42px}
.section-subtitle::before{content:'';position:absolute;left:0;top:50%;width:30px;height:3px;background:var(--primary);transform:translateY(-50%)}
.section-title{font-size:42px;color:var(--dark)}
.section-head.light .section-title{color:#fff}
.section-head.light .section-subtitle{color:var(--primary)}

/* ===== Topbar ===== */
.topbar{background:var(--dark);color:#cfcfcf;font-size:13.5px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.topbar-left{display:flex;gap:24px;flex-wrap:wrap}
.topbar-left i{color:var(--primary);margin-right:6px}
.topbar-social a{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.08);margin-left:6px;transition:var(--trans)}
.topbar-social a:hover{background:var(--primary);color:#111}

/* ===== Navbar ===== */
.navbar{background:rgba(15,15,15,.97);position:sticky;top:0;z-index:1000;transition:var(--trans);border-bottom:1px solid rgba(255,255,255,.06)}
.navbar.scrolled{box-shadow:0 8px 30px rgba(0,0,0,.4)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{max-height:48px}
.logo-mark{width:46px;height:46px;background:var(--primary);color:#111;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px}
.logo-text{font-family:'Poppins',sans-serif;font-weight:800;font-size:21px;color:#fff;letter-spacing:.5px}
.nav-menu{display:flex;align-items:center;gap:8px}
.nav-menu a{color:#e8e8e8;font-weight:500;padding:10px 16px;border-radius:8px;font-size:15.5px;transition:var(--trans);position:relative}
.nav-menu a:not(.nav-cta):hover,.nav-menu a.active{color:var(--primary)}
.nav-cta{background:var(--primary);color:#111!important;font-weight:700;margin-left:10px}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-2px)}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}

/* ===== HERO ===== */
.hero{position:relative;height:92vh;min-height:600px;display:flex;align-items:center;overflow:hidden;background:var(--dark)}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s ease,transform 6s ease;transform:scale(1.05)}
.hero-slide.active{opacity:1;transform:scale(1)}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-video-overlay{position:absolute;inset:0;background:linear-gradient(rgba(15,15,15,.7),rgba(15,15,15,.85))}
.hero-content{position:relative;z-index:3}
.hero-text{display:none;max-width:760px}
.hero-text.active{display:block;animation:fadeUp 1s ease}
.hero-badge{display:inline-block;background:rgba(255,193,7,.15);color:var(--primary);border:1px solid rgba(255,193,7,.4);padding:9px 22px;border-radius:50px;font-weight:600;font-family:'Poppins',sans-serif;letter-spacing:2px;text-transform:uppercase;font-size:13px;margin-bottom:24px}
.hero-badge i{margin-right:8px}
.hero-text h1{font-size:64px;color:#fff;font-weight:900;margin-bottom:22px;text-shadow:0 4px 30px rgba(0,0,0,.5)}
.hero-text p{color:#dcdcdc;font-size:19px;max-width:620px;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:50px;left:50%;transform:translateX(-50%);display:flex;gap:12px;z-index:5}
.hero-dots button{width:14px;height:14px;border-radius:50%;border:2px solid var(--primary);background:transparent;cursor:pointer;transition:var(--trans)}
.hero-dots button.active{background:var(--primary);width:36px;border-radius:8px}
.hero-scroll{position:absolute;bottom:36px;right:40px;z-index:5}
.hero-scroll span{display:block;width:26px;height:44px;border:2px solid rgba(255,255,255,.5);border-radius:14px;position:relative}
.hero-scroll span::after{content:'';position:absolute;top:8px;left:50%;transform:translateX(-50%);width:5px;height:8px;background:var(--primary);border-radius:3px;animation:scrollDot 1.5s infinite}
@keyframes scrollDot{0%{opacity:1;top:8px}100%{opacity:0;top:24px}}
@keyframes fadeUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}

/* ===== İstatistik ===== */
.stats-section{background:var(--primary);padding:60px 0;position:relative;z-index:4;margin-top:-1px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-item{text-align:center;color:#111;position:relative;padding:14px}
.stat-item:not(:last-child)::after{content:'';position:absolute;right:0;top:20%;height:60%;width:1px;background:rgba(0,0,0,.15)}
.stat-icon{font-size:38px;margin-bottom:10px;opacity:.85}
.stat-number,.stat-suffix{font-family:'Poppins',sans-serif;font-size:48px;font-weight:900;display:inline-block;line-height:1}
.stat-label{font-weight:600;font-size:16px;margin-top:6px}

/* ===== Hakkımızda ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about-images{position:relative}
.about-img-main{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-img-main img{width:100%;height:520px;object-fit:cover}
.about-experience{position:absolute;bottom:-30px;right:-20px;background:var(--primary);color:#111;padding:28px 34px;border-radius:var(--radius);box-shadow:0 16px 40px rgba(255,193,7,.4);display:flex;align-items:center;gap:14px}
.exp-num{font-family:'Poppins',sans-serif;font-size:54px;font-weight:900;line-height:1}
.exp-text{font-weight:700;font-size:17px;line-height:1.3}
.about-content .section-title{margin-bottom:22px}
.about-text{color:var(--gray);font-size:16.5px;margin-bottom:28px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:34px}
.about-features li{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--dark)}
.about-features i{color:var(--primary-dark);font-size:20px}

/* ===== Hizmetler ===== */
.services-section{background:#f7f7f5}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 35px rgba(0,0,0,.06);transition:var(--trans);border-bottom:4px solid transparent}
.service-card:hover{transform:translateY(-10px);box-shadow:var(--shadow);border-bottom-color:var(--primary)}
.service-img{height:200px;background-size:cover;background-position:center}
.service-body{padding:34px 30px}
.service-icon{width:70px;height:70px;border-radius:16px;background:var(--dark);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:30px;margin-bottom:22px;transition:var(--trans)}
.service-card:hover .service-icon{background:var(--primary);color:#111;transform:rotate(-8deg)}
.service-body h3{font-size:22px;margin-bottom:12px}
.service-body p{color:var(--gray);margin-bottom:18px;font-size:15.5px}
.service-link{color:var(--dark);font-weight:700;font-family:'Poppins',sans-serif;font-size:14.5px;display:inline-flex;align-items:center;gap:8px;transition:var(--trans)}
.service-link:hover{color:var(--primary-dark);gap:14px}

/* ===== CTA ===== */
.cta-section{background-size:cover;background-position:center;background-attachment:fixed;padding:90px 0;text-align:center}
.cta-inner h2{color:#fff;font-size:40px;margin-bottom:18px;max-width:760px;margin-inline:auto}
.cta-inner p{color:#ccc;font-size:18px;max-width:620px;margin:0 auto 34px}

/* ===== Projeler ===== */
.project-filters{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:44px}
.filter-btn{padding:11px 26px;border-radius:50px;border:2px solid #e3e3e3;background:#fff;font-weight:600;font-family:'Poppins',sans-serif;cursor:pointer;color:var(--dark);transition:var(--trans);font-size:14.5px}
.filter-btn:hover,.filter-btn.active{background:var(--primary);border-color:var(--primary);color:#111}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.project-card{border-radius:var(--radius);overflow:hidden;cursor:pointer}
.project-img{height:330px;background-size:cover;background-position:center;position:relative;transition:var(--trans)}
.project-card:hover .project-img{transform:scale(1.06)}
.project-overlay{position:absolute;inset:0;background:linear-gradient(transparent 30%,rgba(15,15,15,.92));display:flex;flex-direction:column;justify-content:flex-end;padding:30px;opacity:1;transition:var(--trans)}
.project-cat{display:inline-block;background:var(--primary);color:#111;padding:5px 14px;border-radius:50px;font-size:12px;font-weight:700;font-family:'Poppins',sans-serif;margin-bottom:12px;align-self:flex-start;transform:translateY(10px);opacity:0;transition:var(--trans)}
.project-overlay h3{color:#fff;font-size:23px;margin-bottom:8px;transform:translateY(10px);transition:var(--trans) .05s}
.project-overlay p{color:#cfcfcf;font-size:14.5px;transform:translateY(10px);opacity:0;transition:var(--trans) .1s}
.project-overlay p i{color:var(--primary)}
.project-card:hover .project-cat,.project-card:hover .project-overlay h3,.project-card:hover .project-overlay p{transform:translateY(0);opacity:1}

/* ===== Ekip ===== */
.team-section{background:#f7f7f5}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.team-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.06);transition:var(--trans)}
.team-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.team-photo{height:300px;background-size:cover;background-position:center;position:relative}
.team-social{position:absolute;bottom:14px;left:50%;transform:translateX(-50%) translateY(20px);display:flex;gap:8px;opacity:0;transition:var(--trans)}
.team-card:hover .team-social{opacity:1;transform:translateX(-50%) translateY(0)}
.team-social a{width:38px;height:38px;border-radius:50%;background:var(--primary);color:#111;display:flex;align-items:center;justify-content:center;transition:var(--trans)}
.team-social a:hover{background:#111;color:var(--primary)}
.team-info{padding:22px;text-align:center}
.team-info h3{font-size:20px;margin-bottom:4px}
.team-info span{color:var(--primary-dark);font-weight:600;font-size:14.5px}

/* ===== Referanslar ===== */
.testimonials-section{background-size:cover;background-position:center;background-attachment:fixed}
.testimonials-slider{max-width:800px;margin:0 auto;position:relative;min-height:280px}
.testimonial-card{display:none;text-align:center;animation:fadeUp .6s ease}
.testimonial-card.active{display:block}
.testimonial-stars{color:var(--primary);font-size:20px;margin-bottom:22px;display:flex;gap:5px;justify-content:center}
.testimonial-text{color:#f0f0f0;font-size:22px;font-style:italic;line-height:1.6;margin-bottom:30px;font-family:'Poppins',sans-serif;font-weight:500}
.testimonial-author{display:flex;align-items:center;justify-content:center;gap:16px}
.testimonial-author img{width:62px;height:62px;border-radius:50%;object-fit:cover;border:3px solid var(--primary)}
.testimonial-author h4{color:#fff;font-size:18px}
.testimonial-author span{color:var(--primary)}
.testimonial-dots{display:flex;gap:10px;justify-content:center;margin-top:36px}
.testimonial-dots button{width:13px;height:13px;border-radius:50%;border:2px solid var(--primary);background:transparent;cursor:pointer;transition:var(--trans)}
.testimonial-dots button.active{background:var(--primary);width:32px;border-radius:7px}

/* ===== İletişim ===== */
.contact-grid{display:grid;grid-template-columns:0.9fr 1.3fr;gap:50px;align-items:stretch}
.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-box{display:flex;gap:18px;align-items:flex-start;background:#f7f7f5;padding:24px;border-radius:var(--radius);transition:var(--trans);border-left:4px solid transparent}
.contact-box:hover{border-left-color:var(--primary);background:#fff;box-shadow:var(--shadow)}
.contact-ic{width:54px;height:54px;flex-shrink:0;border-radius:12px;background:var(--dark);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px}
.contact-box h4{font-size:17px;margin-bottom:4px}
.contact-box p{color:var(--gray);font-size:15px}
.contact-form-wrap{background:var(--dark);padding:42px;border-radius:var(--radius);box-shadow:var(--shadow-dark)}
.contact-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px}
.contact-form input,.contact-form textarea{width:100%;padding:15px 18px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);border-radius:10px;color:#fff;font-family:'Inter',sans-serif;font-size:15px;transition:var(--trans)}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#8a8a8a}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary);background:rgba(255,193,7,.06)}
.contact-form textarea{resize:vertical}
.form-alert{padding:16px 20px;border-radius:10px;margin-bottom:22px;font-weight:600;display:flex;align-items:center;gap:10px;font-size:15px}
.form-alert.ok{background:rgba(46,204,113,.15);color:#2ecc71;border:1px solid rgba(46,204,113,.3)}
.form-alert.err{background:rgba(231,76,60,.15);color:#e74c3c;border:1px solid rgba(231,76,60,.3)}
.contact-map{margin-top:70px;line-height:0;filter:grayscale(.3) contrast(1.1)}

/* ===== Footer ===== */
.footer{background:var(--dark-2);color:#b8b8b8;padding:80px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:50px}
.footer-logo{margin-bottom:22px}
.footer-text{font-size:15px;line-height:1.8;margin-bottom:22px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;transition:var(--trans);color:#ccc}
.footer-social a:hover{background:var(--primary);color:#111;transform:translateY(-4px)}
.footer-col h4{color:#fff;font-size:18px;margin-bottom:24px;position:relative;padding-bottom:12px}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:36px;height:3px;background:var(--primary)}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{transition:var(--trans);font-size:15px}
.footer-col ul li a:hover{color:var(--primary);padding-left:6px}
.footer-contact li{display:flex;gap:12px;margin-bottom:16px;font-size:15px}
.footer-contact i{color:var(--primary);margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;font-size:14px}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-bottom a:hover{color:var(--primary)}

/* ===== Floatlar ===== */
.back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;border-radius:12px;background:var(--primary);color:#111;display:flex;align-items:center;justify-content:center;font-size:18px;opacity:0;visibility:hidden;transition:var(--trans);z-index:900;box-shadow:0 8px 24px rgba(255,193,7,.4)}
.back-to-top.show{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-4px)}
.whatsapp-float{position:fixed;bottom:30px;left:30px;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;font-size:28px;z-index:900;box-shadow:0 8px 24px rgba(37,211,102,.45);transition:var(--trans);animation:pulse 2s infinite}
.whatsapp-float:hover{transform:scale(1.1)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ===== Responsive ===== */
@media(max-width:1024px){
    .section-title{font-size:34px}
    .hero-text h1{font-size:48px}
    .services-grid,.projects-grid{grid-template-columns:repeat(2,1fr)}
    .team-grid{grid-template-columns:repeat(2,1fr)}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:30px 20px}
    .about-grid{grid-template-columns:1fr;gap:80px}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
    .section{padding:70px 0}
    .hide-sm{display:none}
    .nav-toggle{display:block}
    .nav-menu{position:fixed;top:0;right:-100%;width:78%;max-width:320px;height:100vh;background:var(--dark);flex-direction:column;align-items:flex-start;padding:90px 30px;gap:6px;transition:var(--trans);box-shadow:-10px 0 40px rgba(0,0,0,.5);z-index:1100}
    .nav-menu.open{right:0}
    .nav-menu a{width:100%;font-size:18px;padding:14px 10px}
    .nav-cta{margin-left:0;text-align:center}
    .nav-toggle{z-index:1200;position:relative}
    .hero{height:auto;min-height:560px;padding:90px 0}
    .hero-text h1{font-size:38px}
    .hero-text p{font-size:16px}
    .contact-grid{grid-template-columns:1fr}
    .contact-form .form-row{grid-template-columns:1fr}
    .about-features{grid-template-columns:1fr}
    .section-title{font-size:28px}
    .testimonial-text{font-size:18px}
    .footer-grid{grid-template-columns:1fr;gap:34px}
    .about-experience{right:0;padding:20px 24px}
    .exp-num{font-size:40px}
    .cta-inner h2{font-size:28px}
}
@media(max-width:520px){
    .services-grid,.projects-grid,.team-grid,.stats-grid{grid-template-columns:1fr}
    .topbar-left{font-size:12px;gap:14px}
}