/* ================= RESET ================= */
/* *{margin:0;padding:0;box-sizing:border-box;} */
* { box-sizing: border-box; }
html{scroll-behavior: smooth;}
body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;}
a{text-decoration:none;color:inherit;}


strong{
  color: var(--primary-dark);
}

.link-underline {
  color: var(--primary);
  text-decoration: underline;
}

.container { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 20px; 
}

.header {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, var(--primary-soft), var(--primary-softer));
}
@media (max-width: 767px) {
  .header {
    padding: 30px 0 40px;
    background: linear-gradient(180deg, var(--primary-soft), var(--primary-softer));
  }
}



.header h1 {
  /* font-size: clamp(28px, 4vw, 44px); */
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  color: var(--text);
  max-width: 1000px;
  text-align: left; /* Başlık sola yaslı */
  /* margin-bottom: 20px; */
  line-height: 1.35;
  letter-spacing: -0.5px;
}
.header h1 span  {
  display: block;
}

.header h1 .highlight {
  color: var(--primary);
  font-weight: 800;
  font-size: 1.15em;
}

.header p {
  font-size: 18px;
  color: var(--muted);
  max-width: 700px; /* Paragraf genişliği */
  line-height: 1.5;
  /* margin-bottom: 30px; */
}



.section {
  scroll-margin-top: 80px;
  padding: clamp(15px, 3vw, 30px) 0;
  /* padding: clamp(38px, 6vw, 100px) 0; */
}
.section-first {
  padding-top: clamp(80px, 10vw, 140px);
}
.section h2 {
  /* font-size: clamp(24px, 3vw, 28px); */
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
  text-align: left;
}
.section h2.kucuk {
  font-size: clamp(24px, 3vw, 28px);
}

.section h3 {
  font-size: clamp(18px, 2.35vw, 22px);
  font-weight: 700;
  margin-bottom:20px;
  color: var(--text);
  text-align: left;
}

.section p {
  font-size: 16px;
  color: var(--muted);
  max-width: 800px;
  margin-bottom: 24px;
  line-height: 1.6;
}

.section ul {
  max-width: 750px;
  color: var(--muted);
  padding-left: 20px;
  margin-bottom: 20px;
}

.section li {
  margin-bottom: 10px;
}






/* ================= NAVBAR ================= */
.navbar{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 4px 12px rgba(15,23,42,.06);}
.nav-container{margin:0 auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;}


/* .logo{font-size:22px;font-weight:800;color:var(--primary);} */

.logo{
  display:inline-flex;
  align-items:center;
  gap:16px;
  /* padding:20px 28px; */
  background:white;
  /* border-radius:18px; */
  /* box-shadow:0 10px 30px rgba(0,0,0,0.06); */
  transition:0.3s ease;
}

.logo-icon{
  display:flex;
  align-items:center;
  justify-content:center;
}

.logo-icon svg{
  width:60px;
  height:60px;
}

.logo-text{
  display:flex;
  flex-direction:column;
  justify-content:center; /* dikey ortalama */
  gap: 5px;
}

.logo-name{
  font-size:28px;
  font-weight:700;
  color:var(--text);
  margin: 0;
  padding: 0;
  line-height: 1; /* satır yüksekliğini minimuma indirir */
}

.logo-name span{
  color:var(--primary);
  margin: 0;
  padding: 0;
  line-height: 1; /* satır yüksekliğini minimuma indirir */
}

.logo-sub{
  font-size:13px;
  color:var(--muted);
  margin-top:4px;
  letter-spacing:0.4px;
  margin: 0;
}

/* ================= NAV LINKS ================= */
.nav-links-desktop{display:flex;gap:28px;align-items:center;}
.nav-links-desktop a{font-weight:600;position: relative;transition: color 0.2s ease;}
.nav-links-desktop a:hover{color: var(--primary-dark);}
.nav-links-desktop a::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0%;height:2px;background: var(--primary);border-radius:2px;transition: width 0.2s ease;
}
.nav-links-desktop a:hover::after{width:100%;}
.nav-links-desktop a.active{color: var(--primary-dark);}
.nav-links-desktop a.active::after{width:100%;}

/* ================= HAMBURGER ================= */


/* ================= HAMBURGER (YENİ TASARIM) ================= */

.hamburger{
  display:none;
  width:36px;
  height:26px;
  position:relative;
  cursor:pointer;
  background:none;
  border:none;
  padding:0;
}

.hamburger span{
  display:block;
  position:absolute;
  left:0;
  width:100%;
  height:3px;
  background:var(--text);
  border-radius:3px;
  transition:transform .35s ease, opacity .35s ease, background .3s ease;
}

/* Başlangıç konumu */
.hamburger span:nth-child(1){
  transform:translateY(0px) rotate(0deg);
}

.hamburger span:nth-child(2){
  transform:translateY(11px) rotate(0deg);
}

.hamburger span:nth-child(3){
  transform:translateY(22px) rotate(0deg);
}

/* Active (X dönüşümü) */

.hamburger.active span:nth-child(1){
  transform:translateY(11px) rotate(45deg);
}

.hamburger.active span:nth-child(2){
  opacity:0;
}

.hamburger.active span:nth-child(3){
  transform:translateY(11px) rotate(-45deg);
}


/* ================= MOBILE MENU ================= */

.mobile-menu{
  position:absolute;
  /* top:72px; */
  left:0;
  width:100%;
  background:#fff;
  display:flex;
  flex-direction:column;
  gap:18px;
  padding:24px 20px 30px;
  transform:translateY(-20px);
  opacity:0;
  pointer-events:none;
  transition:.3s;
  box-shadow:var(--shadow);
}

.mobile-menu a{
  font-weight:500;
  padding:8px 0;
  border-bottom:1px solid #f1f5f9;
}

.mobile-menu.open{
  transform:translateY(0);
  opacity:1;
  pointer-events:auto;
}

/* ================= RESPONSIVE ================= */

@media (max-width: 992px){

  .nav-links-desktop{
    display:none;
  }

  .hamburger{
    display:flex;
  }
}






/* ================= MAIN ================= */
main{min-height:calc(100vh - 80px - 300px);} /* navbar + footer yükseklikleri */
/* section, header{scroll-margin-top:80px;} */




/* ================= FOOTER ================= */
footer{
  background:#1f2937;
  color:#e5e7eb;
  padding:60px 20px 40px;
  text-align:left;
  font-size:15px;
}
.footer-container{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:40px;
}
.footer-block{flex:1 1 250px; min-width:250px;}
.footer-logo{font-size:22px;font-weight:800;color:var(--primary);margin-bottom:12px;}
.footer-logo span{font-weight:400;color:#9ca3af;}
.footer-text{color:#cbd5f5;font-size:14px;line-height:1.6;margin-bottom:16px;}
.footer-links a{display:block;color:#cbd5f5;margin-bottom:8px;transition:color .2s;}
.footer-links a:hover{color:var(--primary);}
.footer-contact span{display:block;margin-bottom:6px;}
.footer-social {
    margin-top: 12px;  /* üstten boşluk ekliyoruz */
}
.footer-social a svg {
    width: 28px;        
    height: 28px;
    display: block;     
    vertical-align: middle;
    fill: currentColor; 
}
.footer-social a {
    display: inline-flex;      
    align-items: center;
    justify-content: center;
    width: 36px;               
    height: 36px;
    margin-right: 12px;
    background: #2d3748;       
    border-radius: 50%;        
    transition: background 0.3s, color 0.3s;
    color: var(--primary); 
}
.footer-social a:hover {
    background: var(--primary);
    color: #fff;
}
.footer-bottom{margin-top:40px;text-align:center;color:#9ca3af;font-size:13px;}
@media(max-width:768px){
  .footer-container{flex-direction:column;align-items:center;text-align:center;}
  .footer-block {
    flex: none; /* genişleme ve büyüme iptal */
    min-width: auto; /* minimum genişlik kaldır */
    width: 100%; /* tam genişlik */
  }
  .footer-social a{margin-right:16px;}
}