/* Dentist Kalkan — premium coastal dental: marine ink / aqua mist / chalk */
:root{
  --ink:#122b38;
  --marine:#1b3a4b;
  --aqua:#a8d0d8;
  --chalk:#f4f7f8;
  --white:#ffffff;
  --line:rgba(18,43,56,.14);
  --font-display:"Josefin Sans","Segoe UI",sans-serif;
  --font-body:"Work Sans","Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--chalk);line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
button{font:inherit}
a{color:inherit;text-decoration:none}

.topbar{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(244,247,248,.93);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.tb-in{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 24px}
.brand{font-family:var(--font-display);font-size:21px;font-weight:600;letter-spacing:.04em}
.brand em{font-style:normal;color:var(--marine)}
.nav{display:flex;gap:24px;font-size:15px;font-weight:500}
.nav a:hover{color:var(--marine)}
.langs{display:flex;gap:6px}
.lang-btn{border:1px solid var(--line);background:transparent;border-radius:999px;padding:4px 12px;cursor:pointer;font-size:12px;font-weight:600;transition:background .2s,color .2s}
.lang-btn.active{background:var(--ink);color:var(--white);border-color:var(--ink)}

/* hero — clean light, no photo (photo-free premium) */
.hero{min-height:66svh;display:flex;align-items:flex-end;background:linear-gradient(160deg,var(--marine) 0%,#265a70 55%,#3d7590 100%);color:var(--white);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;top:-140px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(168,208,216,.25),rgba(168,208,216,0))}
.hero-content{position:relative;z-index:1;max-width:1180px;margin:0 auto;width:100%;padding:120px 24px 64px}
.hero-eyebrow{font-size:13px;letter-spacing:.28em;text-transform:uppercase;opacity:.75;margin-bottom:14px}
.hero h1{font-family:var(--font-display);font-weight:300;font-size:clamp(30px,4.8vw,54px);line-height:1.14;max-width:18ch;margin-bottom:16px}
.hero-sub{max-width:52ch;font-size:clamp(15px,1.5vw,17px);opacity:.85;margin-bottom:28px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

.btn{display:inline-block;padding:13px 26px;border-radius:2px;font-weight:600;font-size:14px;letter-spacing:.05em;cursor:pointer;transition:background .25s;border:none;text-transform:uppercase}
.btn-primary{background:var(--aqua);color:var(--ink)}
.btn-primary:hover{background:#8ec0ca}
.btn-ghost{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* sec head */
.sec-head{max-width:1180px;margin:0 auto;padding:96px 24px 40px}
.sec-head h2{font-family:var(--font-display);font-weight:400;font-size:clamp(26px,3.4vw,38px)}

/* treatment cards — asymmetric */
.t-grid{max-width:1180px;margin:0 auto;padding:0 24px 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.t-card{background:var(--white);padding:22px}
.t-card:nth-child(1){grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center}
.t-card img{width:100%;height:150px;object-fit:contain;background:var(--chalk)}
.t-card h3{font-family:var(--font-display);font-weight:600;font-size:19px;margin:12px 0 8px;color:var(--marine)}
.t-card p{font-size:14px;color:rgba(18,43,56,.7)}
.t-more-list{list-style:none;max-width:1180px;margin:0 auto;padding:0 24px}
.t-more-list li{padding:16px 8px;border-bottom:1px solid var(--line);font-family:var(--font-display);font-size:19px}
.t-more-list li:first-child{border-top:1px solid var(--line)}
.t-more-list li:hover{background:rgba(27,58,75,.05)}

/* about */
.ab-text{max-width:860px;margin:0 auto;padding:0 24px 24px}
.ab-text p{font-size:17px;color:rgba(18,43,56,.8)}
.rev{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.rev blockquote{background:var(--white);padding:26px 28px}
.rev p{font-size:15.5px;line-height:1.5;margin-bottom:12px}
.rev footer{font-size:13px;font-weight:600;color:var(--marine)}

/* contact */
.c-grid{max-width:1180px;margin:0 auto;padding:0 24px 96px;display:grid;grid-template-columns:1fr 1fr;gap:48px}
.c-col p{font-size:16px;margin-bottom:10px}
.c-col a:hover{color:var(--marine)}
.wa-form{display:flex;flex-direction:column;gap:16px}
.field label{display:block;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(18,43,56,.6);margin-bottom:8px}
.field input{width:100%;padding:12px 16px;border:1px solid var(--line);border-radius:2px;background:var(--white);font:inherit;color:var(--ink)}
.field input:focus{outline:2px solid var(--marine);outline-offset:1px}
.wa-form .btn{align-self:flex-start}

/* footer */
.foot{background:var(--ink);color:rgba(244,247,248,.85)}
.foot-in{max-width:1180px;margin:0 auto;padding:40px 24px 8px;display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:16px}
.foot strong{font-family:var(--font-display);font-weight:600;font-size:19px;color:var(--white)}
.foot p{font-size:14px}
.legal-links{max-width:1180px;margin:0 auto;display:flex;gap:18px;font-size:13px;opacity:.65;padding:0 24px 40px}

/* mobile burger + menu */
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:transparent;border:none;cursor:pointer;padding:8px}
.burger span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;top:0;right:0;bottom:0;width:min(84vw,320px);background:var(--ink);color:var(--chalk);z-index:60;padding:88px 28px 28px;flex-direction:column;gap:6px;box-shadow:-8px 0 32px rgba(0,0,0,.25)}
.mobile-menu.open{display:flex}
.mobile-menu a{color:inherit;font-size:20px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.mobile-menu .mm-close{position:absolute;top:16px;right:20px;background:none;border:none;color:inherit;font-size:28px;cursor:pointer;line-height:1}
.menu-scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:55}
.menu-scrim.open{display:block}

@media (max-width:860px){
  .nav{display:none}
  .burger{display:flex}
  .sec-head{padding-top:72px}
  .t-grid{grid-template-columns:1fr}
  .t-card:nth-child(1){grid-column:auto;grid-template-columns:1fr}
  .rev{grid-template-columns:1fr}
  .c-grid{grid-template-columns:1fr;gap:24px}
}