/* =========================================================
   Dt. Dolunay Çevik Diş Kliniği — ultra minimalist theme
   Themes: .theme-ice (default) | .theme-sage | .theme-onyx
   ========================================================= */
:root{
  --brand:#2AA7C4; --brand-2:#1B7E97; --brand-soft:#E7F6FA;
  --ink:#12242B; --muted:#5b6b72; --line:#e6ecef;
  --bg:#ffffff; --bg-2:#f6fafb; --card:#ffffff;
  --wa:#25D366; --radius:16px; --maxw:1120px;
  --shadow:0 6px 24px rgba(18,36,43,.06);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
.theme-sage{ --brand:#5C9A7B; --brand-2:#3F6F58; --brand-soft:#EAF4EE; --ink:#1c2a23; --bg-2:#f5faf6; }
.theme-onyx{ --brand:#C9A24B; --brand-2:#A07E2E; --brand-soft:#F6F0DF; --ink:#1a1c20; --muted:#6a6d74; --line:#e8e6df; --bg-2:#faf9f5; }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.1rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.15rem}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section.alt{background:var(--bg-2)}
.center{text-align:center}
.lead{color:var(--muted);font-size:1.1rem;max-width:640px}
.center .lead{margin-left:auto;margin-right:auto}
.eyebrow{color:var(--brand-2);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;margin-bottom:.6rem;display:block}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;border:1px solid transparent;background:var(--brand);color:#fff;padding:.8rem 1.4rem;border-radius:999px;font-weight:600;font-size:1rem;cursor:pointer;transition:.15s;text-decoration:none}
.btn:hover{background:var(--brand-2);text-decoration:none;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--brand-2);border-color:var(--line)}
.btn.ghost:hover{background:var(--brand-soft);color:var(--brand-2)}
.btn.wa{background:var(--wa)}
.btn.wa:hover{background:#1da851}
.btn.block{width:100%;justify-content:center}
.btn.sm{padding:.55rem 1rem;font-size:.9rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.theme-onyx .site-header,.theme-sage .site-header{background:rgba(255,255,255,.92)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:68px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;color:var(--ink);font-size:1.05rem;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand .logo{width:38px;height:38px;border-radius:11px;background:var(--brand-soft);color:var(--brand-2);display:grid;place-items:center;flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:.3rem;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);padding:.5rem .8rem;border-radius:8px;font-weight:500;font-size:.98rem}
.nav-links a:hover{background:var(--bg-2);text-decoration:none}
.nav-links a.active{color:var(--brand-2)}
.nav-right{display:flex;align-items:center;gap:.6rem}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang a{padding:.3rem .55rem;font-size:.82rem;font-weight:700;color:var(--muted)}
.lang a.on{background:var(--brand);color:#fff}
.lang a:hover{text-decoration:none}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:.4rem}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* Hero */
.hero{position:relative;background:linear-gradient(160deg,var(--brand-soft),var(--bg) 60%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:80px 0}
.hero h1{margin-bottom:.4em}
.hero .lead{font-size:1.18rem;margin-bottom:1.6rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem}
.hero-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.2rem}
.badge{display:inline-flex;align-items:center;gap:.4rem;background:#fff;border:1px solid var(--line);color:var(--muted);padding:.4rem .8rem;border-radius:999px;font-size:.85rem;font-weight:600}
.badge svg{color:var(--brand-2)}

/* Feature grid */
.grid{display:grid;gap:20px}
.grid.g3{grid-template-columns:repeat(3,1fr)}
.grid.g4{grid-template-columns:repeat(4,1fr)}
.grid.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.15s}
a.card:hover{text-decoration:none;box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--brand)}
.card .ic{width:52px;height:52px;border-radius:13px;background:var(--brand-soft);color:var(--brand-2);display:grid;place-items:center;margin-bottom:14px}
.card h3{color:var(--ink);margin-bottom:.35em}
.card p{color:var(--muted);font-size:.97rem;margin:0}
.card .more{display:inline-block;margin-top:.8rem;color:var(--brand-2);font-weight:600;font-size:.92rem}

/* List with checks */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:.7rem}
.checks li{display:flex;gap:.6rem;align-items:flex-start;color:var(--ink)}
.checks li::before{content:"";flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--brand-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231B7E97' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;margin-top:2px}

/* Steps */
.steps{counter-reset:step;display:grid;gap:16px}
.steps li{list-style:none;display:flex;gap:14px;align-items:flex-start}
.steps li::before{counter-increment:step;content:counter(step);flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700}

/* Split section */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.prose h2{margin-top:0}
.prose p{color:var(--muted)}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;padding:2px 18px;margin-bottom:12px;background:var(--card)}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand-2);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin:0 0 16px}

/* Form */
.form-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.form-row{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:16px}
.field.full{grid-column:1/-1}
label{font-weight:600;font-size:.9rem}
input,select,textarea{font-family:inherit;font-size:1rem;padding:.7rem .8rem;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
textarea{min-height:110px;resize:vertical}
.check-row{display:flex;gap:.6rem;align-items:flex-start;font-size:.88rem;color:var(--muted)}
.check-row input{width:auto;margin-top:.25rem}
.form-note{font-size:.85rem;color:var(--muted);text-align:center;margin-top:.8rem}
.alert{padding:.9rem 1.1rem;border-radius:12px;margin-bottom:1rem;font-weight:500}
.alert.ok{background:#e8f7ee;color:#166534;border:1px solid #bbe6c9}
.alert.bad{background:#fdeaea;color:#9b1c1c;border:1px solid #f5c6c6}

/* Contact info */
.info-list{display:grid;gap:18px}
.info-item{display:flex;gap:14px;align-items:flex-start}
.info-item .ic{flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-2);display:grid;place-items:center}
.info-item b{display:block;font-size:.95rem}
.info-item span{color:var(--muted)}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:340px;background:var(--bg-2)}
.map iframe{width:100%;height:100%;border:0;display:block}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-radius:var(--radius);padding:44px;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9)}
.cta-band .btn{background:#fff;color:var(--brand-2)}
.cta-band .btn:hover{background:#f0f0f0}
.cta-band .btn.wa{background:var(--wa);color:#fff}

/* Breadcrumb */
.crumb{font-size:.88rem;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted)}

/* Footer */
.site-footer{background:var(--ink);color:#c9d6db;padding:56px 0 24px;margin-top:0}
.theme-onyx .site-footer{background:#1a1c20}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.site-footer h4{color:#fff;font-size:1rem;margin:0 0 1rem}
.site-footer a{color:#c9d6db}
.site-footer a:hover{color:#fff}
.foot-links{list-style:none;padding:0;margin:0;display:grid;gap:.55rem;font-size:.95rem}
.foot-brand{display:flex;align-items:center;gap:.6rem;color:#fff;font-weight:800;margin-bottom:1rem}
.foot-brand .logo{background:rgba(255,255,255,.1);color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:.85rem;color:#8ea3ab;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem}
.foot-disc{font-size:.82rem;color:#8ea3ab;margin-top:1rem;line-height:1.5}

/* Floating WhatsApp */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.4);transition:.15s}
.wa-float:hover{transform:scale(1.06);text-decoration:none}

/* Utility */
.mt0{margin-top:0}.mb0{margin-bottom:0}
.tag-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.pill{background:var(--brand-soft);color:var(--brand-2);padding:.35rem .8rem;border-radius:999px;font-size:.85rem;font-weight:600}

/* Responsive */
@media(max-width:920px){
  .grid.g4{grid-template-columns:repeat(2,1fr)}
  .grid.g3{grid-template-columns:repeat(2,1fr)}
  .hero-grid,.split{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  body{font-size:16px}
  .section{padding:52px 0}
  .nav-links{position:fixed;inset:68px 0 auto 0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;gap:.2rem;transform:translateY(-140%);transition:.25s;box-shadow:var(--shadow)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:.8rem;border-radius:8px}
  .menu-toggle{display:block}
  .grid.g4,.grid.g3,.grid.g2,.form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .desk-only{display:none}
}
@media(min-width:681px){.mob-only{display:none}}