/* =========================
   THEME
========================= */
:root{
  --bg-body: #f8fafc;
  --text-main: #0f172a;
  --text-light: #64748b;
  --primary: #ffb800;

  --glass-bg: rgba(255,255,255,0.88);
  --glass-border: rgba(255,255,255,0.65);

  --card-bg: #ffffff;
  --card-shadow: rgba(148,163,184,0.18);
  --input-bg: #f1f5f9;
}

body.dark-theme{
  --bg-body: #050505;
  --text-main: #ffffff;
  --text-light: #a3a3a3;

  --glass-bg: rgba(15,15,15,0.82);
  --glass-border: rgba(255,255,255,0.10);

  --card-bg: #121212;
  --card-shadow: rgba(0,0,0,0.55);
  --input-bg: #1e1e1e;
}

/* =========================
   GLOBAL
========================= */
*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; overflow-x:hidden; }
body{
  font-family: "Outfit", sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x:hidden;
}
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; }
.container{ width:min(1200px, 92%); margin:0 auto; }

/* =========================
   PRELOADER
========================= */
.preloader{
  position: fixed;
  inset: 0;
  background:#000;
  z-index: 9999;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  transition: opacity .6s ease, visibility .6s ease;
}
.preloader.hidden{ opacity:0; visibility:hidden; }
.loader-logo{
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -2px;
  color:#fff;
  margin-bottom: 18px;
}
.loader-logo span{ color: var(--primary); }
.bar-loader{
  width: 110px; height: 4px;
  background: rgba(255,255,255,0.18);
  border-radius: 999px;
  overflow:hidden;
}
.bar-loader::after{
  content:"";
  display:block;
  width:0; height:100%;
  background: var(--primary);
  animation: load 1.2s ease forwards;
}
@keyframes load{ to{ width:100%; } }

/* =========================
   FLOATING
========================= */
.whatsapp-btn{
  position: fixed;
  bottom: 20px; right: 20px;
  width: 60px; height: 60px;
  border-radius: 50%;
  background:#25D366;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 2rem;
  z-index: 900;
  box-shadow: 0 10px 30px rgba(37,211,102,0.35);
  animation: pulse 2s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(37,211,102,.55); }
  70%{ box-shadow:0 0 0 22px rgba(37,211,102,0); }
  100%{ box-shadow:0 0 0 0 rgba(37,211,102,0); }
}
.scroll-top{
  position: fixed;
  bottom: 22px; left: 20px;
  width: 52px; height: 52px;
  border-radius: 50%;
  border:none;
  background: var(--primary);
  color:#111;
  font-size: 1.1rem;
  cursor:pointer;
  z-index: 900;
  opacity:0; visibility:hidden;
  transform: translateY(8px);
  transition: .25s ease;
}
.scroll-top.show{
  opacity:1; visibility:visible;
  transform: translateY(0);
}

/* =========================
   NAVBAR (MODERN)
========================= */
.nav{
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, 92%);
  z-index: 1200;

  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 999px;

  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

  box-shadow: 0 10px 30px rgba(0,0,0,.18);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding: 12px 16px;
}
.nav-brand{
  display:flex;
  align-items:center;
  padding: 6px 10px;
  border-radius: 14px;
}
.nav-brand img{
  height: 56px;
  width:auto;
  display:block;
}

/* Header logos: dark->white, light->black (JS changes src)
   Footer is ALWAYS WHITE (JS keeps it white)
*/

.nav-actions{
  display:flex;
  align-items:center;
  gap: 12px;
}
.theme-btn{
  width: 46px; height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.20);
  background: transparent;
  color: var(--text-main);
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
}
body:not(.dark-theme) .theme-btn{
  border: 1px solid rgba(15,23,42,.18);
}

.burger{
  width: 46px; height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.20);
  background: transparent;
  cursor:pointer;
  position: relative;
  display:flex;
  align-items:center;
  justify-content:center;
}
body:not(.dark-theme) .burger{
  border: 1px solid rgba(15,23,42,.18);
}
.burger span{
  position:absolute;
  width: 22px; height: 2px;
  background: var(--text-main);
  border-radius: 999px;
  transition: transform .25s ease, opacity .2s ease, top .25s ease;
}
.burger span:nth-child(1){ top: 17px; }
.burger span:nth-child(2){ top: 22px; }
.burger span:nth-child(3){ top: 27px; }

/* burger -> X */
body.menu-open .burger span:nth-child(1){
  top: 22px;
  transform: rotate(45deg);
}
body.menu-open .burger span:nth-child(2){ opacity:0; }
body.menu-open .burger span:nth-child(3){
  top: 22px;
  transform: rotate(-45deg);
}
.menu-social{
  margin-top: 26px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 14px;
}

/* =========================
   MENU OVERLAY (BLUR + PANEL)
========================= */
.menu-overlay{
  position: fixed;
  inset: 0;
  z-index: 1150;
  opacity:0;
  visibility:hidden;
  transition: opacity .25s ease, visibility .25s ease;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
body.menu-open .menu-overlay{
  opacity:1;
  visibility:visible;
}
.menu-panel{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  transform: translateY(10px) scale(.98);
  opacity:0;
  transition: transform .35s cubic-bezier(.2,1,.2,1), opacity .35s cubic-bezier(.2,1,.2,1);
}
body.menu-open .menu-panel{
  transform: translateY(0) scale(1);
  opacity:1;
}

/* Menu items */
.menu-links{
  text-align:center;
  display:flex;
  flex-direction:column;
  gap: 18px;
  padding: 24px;
}
.menu-links a{
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-main);
  opacity: .96;
  transition: transform .2s ease, color .2s ease;
}
.menu-links a:hover{
  color: var(--primary);
  transform: translateY(-1px);
}

/* Scroll lock */
body.menu-open{ overflow:hidden; }

/* =========================
   HERO
========================= */
.hero-slider{
  position: relative;
  width:100%;
  height:100vh;
  overflow:hidden;
  background:#000;
}
.slide{
  position:absolute;
  inset:0;
  opacity:0;
  transition: opacity 1.1s ease-in-out;
  display:flex;
  align-items:center;
  justify-content:center;
}
.slide.active{ opacity:1; z-index:1; }

.slide-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  transform: scale(1);
  transition: transform 8s ease-out;
}
.slide.active .slide-bg{ transform: scale(1.15); }

.slide-overlay{
  position:absolute;
  inset:0;
  background: linear-gradient(to bottom, rgba(0,0,0,.25), rgba(0,0,0,.86));
}

.slide-content{
  position: relative;
  z-index:2;
  text-align:center;
  max-width: 900px;
  padding: 20px;
  color:#fff;
}
.slide-content h1{
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 18px;

  opacity:0;
  transform: translateY(45px);
  transition: 1s cubic-bezier(.2,1,.3,1) .45s;
}
.slide-content p{
  font-size: 1.35rem;
  font-weight: 300;
  margin-bottom: 34px;

  opacity:0;
  transform: translateY(25px);
  transition: 1s cubic-bezier(.2,1,.3,1) .65s;
}
.slide-btn-wrapper{
  opacity:0;
  transform: translateY(22px);
  transition: 1s cubic-bezier(.2,1,.3,1) .85s;
}
.slide.active .slide-content h1,
.slide.active .slide-content p,
.slide.active .slide-btn-wrapper{
  opacity:1;
  transform: translateY(0);
}
.slide-content h1 span{ color: var(--primary); }

.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 15px 46px;
  border-radius: 999px;
  background: var(--primary);
  color:#111;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(255,184,0,0.22);
}

.hero-arrow{
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(0,0,0,0.25);
  color:#fff;
  cursor:pointer;
  z-index: 10;
  display:flex;
  align-items:center;
  justify-content:center;
  backdrop-filter: blur(6px);
}
.hero-prev{ left: 40px; }
.hero-next{ right: 40px; }

.hero-dots{
  position:absolute;
  bottom: 28px;
  left:50%;
  transform: translateX(-50%);
  display:flex;
  gap: 10px;
  z-index: 10;
}
.dot{
  width: 40px; height: 4px;
  border:none;
  background: rgba(255,255,255,0.28);
  cursor:pointer;
  transition: .25s ease;
}
.dot.active{
  background: var(--primary);
  width: 60px;
}

/* =========================
   PARTNERS
========================= */
.partners-section{
  padding: 50px 0;
  border-bottom: 1px solid var(--glass-border);
  background: var(--bg-body);
  overflow:hidden;
}
.marquee{
  display:flex;
  overflow:hidden;
  user-select:none;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}
.marquee-content{
  display:flex;
  align-items:center;
  gap: 4rem;
  width: max-content;
  animation: scroll-infinite 30s linear infinite;
}
.marquee-content i{
  font-size: 3.5rem;
  color: var(--text-light);
  opacity: .55;
  transition: .25s ease;
}
.marquee-content i:hover{
  opacity:1;
  color: var(--primary);
  transform: scale(1.15);
}
@keyframes scroll-infinite{
  0%{ transform: translateX(0); }
  100%{ transform: translateX(-50%); }
}

/* =========================
   STATS
========================= */
.stats-section{ padding: 80px 0; }
.stats-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.stat-card{
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px var(--card-shadow);
  border-radius: 20px;
  text-align:center;
  padding: 40px 20px;
}
.stat-number{
  display:block;
  font-size: 3rem;
  font-weight: 900;
}
.stat-label{
  display:block;
  margin-top: 6px;
  color: var(--primary);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .8px;
  font-size: .9rem;
}

/* =========================
   SECTIONS
========================= */
.section{ padding: 100px 0; }
.section-muted{ background: var(--bg-body); }
.section-header{
  text-align:center;
  margin-bottom: 60px;
}
.section-header h2{
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 10px;
}
.section-header h2 span{ color: var(--primary); }
.section-header p{
  font-size: 1.1rem;
  color: var(--text-light);
}

.grid-3{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}
.service-card{
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px var(--card-shadow);
  border-radius: 28px;
  padding: 42px;
}
.icon-box{
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 22px;
}
.service-card h3{
  font-size: 1.8rem;
  margin-bottom: 12px;
  font-weight: 900;
}
.service-card p{ color: var(--text-light); }

.btn-detail{
  margin-top: 18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:none;
  background: transparent;
  color: var(--text-main);
  font-weight: 900;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 3px;
  cursor:pointer;
}

/* =========================
   REFERENCES SLIDER
========================= */
.slider-wrapper{ padding: 20px 0; overflow:hidden; }
.slider-track{
  display:flex;
  gap: 20px;
  overflow-x:auto;
  scroll-behavior:smooth;
  padding: 20px 5px;
  scrollbar-width:none;
}
.slider-track::-webkit-scrollbar{ display:none; }

.ref-card{
  min-width: 320px;
  height: 260px;
  border-radius: 20px;
  overflow:hidden;
  position: relative;
  flex-shrink:0;
}
.ref-card img{ width:100%; height:100%; object-fit: cover; }
.ref-overlay{
  position:absolute;
  left:0; right:0; bottom:0;
  padding: 18px;
  color:#fff;
  background: linear-gradient(to top, rgba(0,0,0,.85), transparent);
}
.slider-nav{
  display:flex;
  justify-content:flex-end;
  gap: 10px;
  margin-top: 18px;
}
.nav-btn{
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-main);
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
}

/* =========================
   FAQ
========================= */
.faq-section{ max-width: 820px; margin: 0 auto; }
.accordion-item{
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  overflow:hidden;
  box-shadow: 0 8px 20px var(--card-shadow);
  margin-bottom: 18px;
}
.accordion-header{
  width:100%;
  padding: 20px;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-weight: 900;
  font-size: 1rem;
  color: var(--text-main);
  background: transparent;
  border:none;
}
.accordion-body{
  padding: 0 20px;
  max-height: 0;
  overflow:hidden;
  transition: max-height .35s ease;
  color: var(--text-light);
}
.accordion-item.active .accordion-body{
  max-height: 220px;
  padding-bottom: 18px;
}
.accordion-item.active .accordion-header i{
  transform: rotate(180deg);
  color: var(--primary);
}

/* =========================
   CONTACT
========================= */
.contact-section{ padding: 90px 0; }
.contact-container{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  box-shadow: 0 20px 50px var(--card-shadow);
  padding: 50px;
}
.info-card{
  display:flex;
  align-items:center;
  gap: 18px;
  margin-top: 18px;
  padding: 18px;
  border-radius: 16px;
  background: var(--bg-body);
  border: 1px solid var(--glass-border);
}
.info-icon{
  width: 50px; height: 50px;
  border-radius: 50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color: var(--primary);
  background: rgba(255,184,0,0.10);
  flex-shrink:0;
}
.contact-form{
  display:flex;
  flex-direction:column;
  gap: 18px;
}
.input-group label{
  display:block;
  margin-bottom: 8px;
  font-size: .95rem;
  font-weight: 900;
}
.input-group input,
.input-group textarea{
  width:100%;
  padding: 16px;
  border-radius: 12px;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
}
.btn-submit{
  background: var(--primary);
  color:#111;
  border:none;
  border-radius: 12px;
  padding: 18px;
  font-weight: 900;
  font-size: 1.05rem;
  cursor:pointer;
}

/* =========================
   FOOTER
========================= */
footer{
  background: #050505;
  color: #a3a3a3;
  padding: 80px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-col h3{
  color:#fff;
  margin-bottom: 18px;
  font-size: 1.2rem;
}
.footer-col ul li{ margin-bottom: 10px; }
.footer-col a:hover{ color: var(--primary); }

.footer-brand img{
  height: 110px;
  width:auto;
  display:block;
  margin-bottom: 18px;
}

/* ===== GOLD BUTTONS (Footer + Menu) ===== */
.footer-social-group{
  display:flex;
  flex-direction:column;
  gap: 14px;
  margin-top: 10px;
}

/* Butonlar: TAM ESIT GENISLIK */
.footer-gold-btn{
  display:grid;
  grid-template-columns: 28px 1fr; /* ikon alanı sabit => X küçük kalmaz */
  align-items:center;
  column-gap: 12px;

  width: 100%;
  max-width: 280px; /* istersen 320 yap */
  padding: 14px 18px;
  border-radius: 999px;

  background: linear-gradient(135deg, #ffcf3a, #ffb800, #d99100);
  color: #111;
  font-weight: 900;
  letter-spacing: .2px;

  border: 1px solid rgba(255,184,0,.35);
  box-shadow:
    0 18px 40px rgba(255,184,0,.22),
    inset 0 1px 0 rgba(255,255,255,.35);

  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.footer-gold-btn:hover{
  transform: translateY(-1px);
  filter: brightness(1.02);
  box-shadow:
    0 22px 55px rgba(255,184,0,.32),
    inset 0 1px 0 rgba(255,255,255,.45);
}
.footer-gold-btn:active{ transform: translateY(0); }

/* İkon kutusu: hepsi aynı hizada */
.footer-gold-btn i{
  font-size: 1.15rem;
  justify-self: center;
}

/* X SVG alanı: aynı kutuya oturt */
.x-svg{
  display:flex;
  align-items:center;
  justify-content:center;
  width: 28px;
  height: 28px;
  justify-self: center;
  line-height: 0;
}
.x-svg svg{
  width: 18px;
  height: 18px;
  display:block;
}

.footer-bottom{
  text-align:center;
  margin-top: 50px;
  border-top: 1px solid #222;
  padding-top: 20px;
  font-size: .95rem;
}

/* =========================
   MODAL
========================= */
.modal-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.78);
  z-index: 2000;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  visibility:hidden;
  transition: .25s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.modal-overlay.active{
  opacity:1;
  visibility:visible;
}
.modal-content{
  width: min(600px, 92%);
  border-radius: 24px;
  overflow:hidden;
  border: 1px solid var(--glass-border);
  background: var(--card-bg);
  transform: scale(.97);
  transition: .25s ease;
  position: relative;
}
.modal-overlay.active .modal-content{ transform: scale(1); }

.modal-header{
  background: linear-gradient(135deg, var(--primary), #ea580c);
  padding: 28px;
  color:#fff;
  text-align:center;
}
.modal-header h2{ margin:0; }
.modal-body{ padding: 34px; }

.close-modal{
  position:absolute;
  top: 18px;
  right: 18px;
  border:none;
  background: transparent;
  color:#fff;
  font-size: 1.3rem;
  cursor:pointer;
  opacity:.9;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 900px){
  .hero-arrow{ display:none; }
  .slide-content h1{ font-size: 2.8rem; }
  .slide-content p{ font-size: 1.1rem; }

  .section{ padding: 70px 0; }
  .section-header h2{ font-size: 2.25rem; }

  .contact-container{ grid-template-columns: 1fr; padding: 30px; gap: 28px; }
  .grid-3, .footer-grid{ grid-template-columns: 1fr; }
  .footer-grid{ text-align:center; }
  .footer-brand img{ margin: 0 auto 16px; }
  .footer-social-group{ align-items:center; }
  .slider-nav{ display:none; }
  .menu-links a{ font-size: 1.55rem; }

  /* mobilde alt alta butonlar tam eşit, daha geniş */
  .footer-gold-btn{
    max-width: 320px;
    width: min(340px, 90vw);
  }
}
.menu-social{
  margin-top: 26px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 14px;
}