/* style.css - Modern, responsive, accessible, SEO-friendly */
/* Root vars */
:root{
  --bg: #F7F9FB;
  --dark: #17252A;
  --muted: #555;
  --accent: #D4A017;
  --brand: #2C3531;
  --cta: #3A9D8F;
  --white: #FFFFFF;
  --max-width: 1200px;
}

/* Reset / base */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: 'Poppins', Arial, sans-serif;
  background:var(--bg);
  color:#474B4F;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Container */
.container{
  width:90%;
  max-width:var(--max-width);
  margin:0 auto;
  padding: 0 8px;
}

/* TOP BAR */
.top-bar{
  background:var(--dark);
  color:var(--white);
  font-size:14px;
  padding:6px 0;
}
.top-bar .container{
  display:flex;
  justify-content:flex-end;
  gap:18px;
  align-items:center;
}
.top-bar a{
  color:var(--white);
  text-decoration:none;
}
.top-bar a:hover{color:var(--accent)}

/* HEADER */
header.site-header{
  background: var(--brand);
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.header-container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.logo img{height:60px; display:block;}
.logo a{display:flex;align-items:center}
nav.main-nav{display:block;}
nav.main-nav .menu{list-style:none;margin:0;padding:0;display:flex;gap:26px;align-items:center}
nav.main-nav .menu li a{
  color:var(--white);
  text-decoration:none;
  font-weight:600;
  font-size:16px;
  padding:6px 0;
  position:relative;
}
nav.main-nav .menu li a:hover,
nav.main-nav .menu li a.active{color:var(--accent)}
nav.main-nav .menu li a::after{
  content:'';display:block;height:2px;width:0;background:var(--accent);position:absolute;left:0;bottom:-6px;transition:width .25s;
}
nav.main-nav .menu li a:hover::after,
nav.main-nav .menu li a.active::after{width:100%}

/* HAMBURGER */
.hamburger{
  display:none;
  background:none;border:0;color:var(--white);
  font-size:28px;cursor:pointer;
}
@media(max-width:768px){
  .top-bar .container{flex-direction:column;align-items:center;gap:6px}
  .hamburger{display:block}
  nav.main-nav{display:none;width:100%;margin-top:10px}
  nav.main-nav.open{display:block;animation:slideDown .25s ease forwards}
  nav.main-nav .menu{flex-direction:column;align-items:center;gap:12px}
  @keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
}

/* HERO SLIDER */
.hero-slider{
  position:relative;
  overflow:hidden;
  min-height:420px;
  background: linear-gradient(180deg, #EAF6F5 0%, var(--bg) 100%);
}
.hero-slider .slide video,
.hero-slider .slide img {
  width: 420px;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}
.hero-slider .slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center; /* video ve içerik ortalanır */
  gap: 36px;
  padding: 40px;
  box-sizing: border-box;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: translateX(100%);
  transition: opacity .5s ease, transform .5s ease;
  min-height: 420px; /* desktop için */
}

.hero-slider .slide.active {
  opacity: 1;
  transform: translateX(0);
  position: relative;
}

@media(max-width:768px){
  .hero-slider .slide video{
    height:220px; /* mobilde daha küçük */
  }
}


.hero-slider .slide-content{flex:1;max-width:50%;color:var(--white)}
.hero-slider h1{font-size:42px;margin:0 0 14px;color:var(--accent);text-shadow:1px 1px 8px rgba(0,0,0,0.25)}
.hero-slider p{font-size:18px;margin:0 0 20px;color:var(--white);text-shadow:1px 1px 6px rgba(0,0,0,0.35)}
.hero-slider .prev,.hero-slider .next{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(0,0,0,0.45);color:#fff;border:0;font-size:22px;padding:10px;border-radius:50%;cursor:pointer;z-index:10;
}
.hero-slider .prev:hover,.hero-slider .next:hover{background:rgba(0,0,0,0.7)}
.hero-slider .prev{left:18px}.hero-slider .next{right:18px}
@media(max-width:768px){
  .hero-slider .slide{flex-direction:column;padding:20px}
  .hero-slider .slide video,.hero-slider .slide-content{max-width:100%}
  .hero-slider .slide video{height:220px}
  .hero-slider h1{font-size:28px}
}

/* BUTTON */
.btn{
  background:var(--dark);color:var(--white);padding:10px 18px;border-radius:8px;font-weight:600;text-decoration:none;display:inline-block;transition:transform .15s, background .2s;
}
.btn:hover{transform:translateY(-3px);background:#0f1a1d}

/* SERVICES */
.services{padding:50px 0;text-align:center}
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:24px}
.service img{width:100%;border-radius:8px;transition:transform .3s}
.service img:hover{transform:scale(1.04)}
.service h3{margin:12px 0;color:var(--dark);font-weight:600}

/* VIDEO + SIDEBAR */
.video-section{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px}
.video-player{flex:2;min-width:60%}
.video-player video{width:100%;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.12)}
.video-sidebar{flex:1;min-width:260px;background:var(--white);padding:15px;border-radius:12px;box-shadow:0 4px 10px rgba(0,0,0,0.08)}

/* REFERENCES / CTA */
.references{background:var(--white);padding:50px 0;text-align:center}
.ref-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:15px}

/* FOOTER */
footer{background:var(--brand);color:var(--white);padding:36px 20px;font-size:14px}
.footer-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px;margin-bottom:18px}
.footer-info h3{color:var(--accent);margin-bottom:10px}
.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,0.08);padding-top:12px;font-size:13px}
/* FOOTER LINKS */
footer a {
  color: var(--white); /* Beyaz yapıyoruz */
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--accent); /* Hover’da sarı / vurgu rengi */
}


/* FLOATING ACTIONS */
.floating{position:fixed;bottom:20px;z-index:1000;display:flex;align-items:center;justify-content:center;text-decoration:none;transition:transform .15s}
.floating img{width:44px;height:44px;display:block}
.floating.whatsapp-btn{right:20px;background:transparent;border-radius:50%}
.floating.call-btn{right:90px;background:transparent;border-radius:50%}
.floating:hover{transform:scale(1.07)}

/* BLOG */
.blog{padding:50px 0}
.blog h1{text-align:center;font-size:36px;color:var(--dark);margin-bottom:8px}
.blog-subtitle{text-align:center;color:var(--muted);margin-bottom:36px}
.blog-grid{display:grid;grid-template-columns:1fr;gap:22px;padding:0 8px}
@media(min-width:768px){.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.blog-grid{grid-template-columns:repeat(3,1fr)}}
.blog-card{background:var(--white);border-radius:12px;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,0.08);display:flex;flex-direction:column;transition:transform .25s}
.blog-card img{width:100%;height:200px;object-fit:cover;transition:transform .4s}
.blog-card:hover{transform:translateY(-6px)}
.blog-content{padding:16px;flex:1;display:flex;flex-direction:column}
.blog-content h2{font-size:18px;margin:6px 0;color:var(--dark)}
.blog-content p{flex:1;color:var(--muted);margin-bottom:12px}

/* MACHINE GRID (override small inline style) */
.machine-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;margin-top:20px}
.machine-card{background:var(--white);border-radius:8px;text-align:center;padding:12px;box-shadow:0 2px 6px rgba(0,0,0,0.08);transition:transform .25s}
.machine-card:hover{transform:translateY(-6px)}
.machine-card img{width:100%;height:140px;object-fit:cover;border-radius:6px;margin-bottom:8px}

/* utility */
.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
.text-center{text-align:center}


/* CONTACT PAGE */
.contact{padding:50px 0}
.contact h1{text-align:left;font-size:36px;color:var(--dark);margin-bottom:12px}
.contact p{text-align:left;color:var(--muted);margin-bottom:36px}

.contact-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media(min-width:768px){
  .contact-grid{grid-template-columns:2fr 1fr;align-items:start}
}

.contact-form form{
  background:var(--white);
  padding:24px;
  border-radius:12px;
  box-shadow:0 4px 12px rgba(0,0,0,0.08);
  display:flex;
  flex-direction:column;
  gap:16px;
}

.contact-form label{font-weight:600;color:var(--dark)}
.contact-form input,
.contact-form textarea{
  padding:10px 12px;
  border-radius:8px;
  border:1px solid #ccc;
  font-size:16px;
  width:100%;
  resize:vertical;
}

.contact-form input:focus,
.contact-form textarea:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 6px rgba(252,204,4,0.4);
}

.contact-info{
  background:var(--white);
  padding:24px;
  border-radius:12px;
  box-shadow:0 4px 12px rgba(0,0,0,0.08);
  display:flex;
  flex-direction:column;
  gap:12px;
}

.contact-info h3{color:var(--accent);margin-bottom:12px}
.contact-info p{color:var(--dark)}
.contact-info a{color:var(--cta);text-decoration:none}
.contact-info a:hover{text-decoration:underline}
.contact-info iframe{border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.12)}

/* REFERANSLAR SAYFASI */
.references {
  padding: 60px 20px;
  text-align: center;
}
.references h1 {
  font-size: 36px;
  color: var(--accent);
  margin-bottom: 10px;
}
.references .section-subtitle {
  color: #666;
  font-size: 18px;
  margin-bottom: 40px;
}

/* Büyük Referans Grid */
.ref-grid-large {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}
.ref-item-large {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  padding: 20px;
  transition: transform .3s, box-shadow .3s;
}
.ref-item-large:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}
.ref-item-large img {
  width: 100%;
  height: 120px;
  object-fit: contain;
  margin-bottom: 15px;
}

/* Küçük Referans Grid */
.ref-grid-small {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.divRefKucuk {
  background: var(--white);
  padding: 16px;
  border-radius: 8px;
  font-weight: 500;
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  transition: all .3s ease;
  cursor: default;
}
.divRefKucuk:hover {
  background: var(--accent);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}