/* ===== ESTER DENTAL LAB — Design tokens ===== */
:root{
  --ivory:#F7F2E9;
  --paper:#FBF8F2;
  --card:#FFFFFF;
  --espresso:#241E1A;
  --espresso-soft:#3A322B;
  --ink:#2A2420;
  --taupe:#8A7F6E;
  --taupe-light:#B9AF9E;
  --brass:#A9834A;
  --brass-soft:#C9A96E;
  --brass-tint:#F1E6CE;
  --line:rgba(36,30,26,0.10);
  --line-on-dark:rgba(247,242,233,0.16);
  --shadow-sm:0 8px 20px -10px rgba(36,30,26,0.18);
  --shadow:0 20px 46px -16px rgba(36,30,26,0.22);
  --shadow-lg:0 30px 70px -22px rgba(36,30,26,0.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --maxw:1180px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;touch-action:manipulation;}
body{
  background:var(--ivory);
  color:var(--ink);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
  touch-action:manipulation;
}
body::before{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;
  opacity:.03;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font:inherit;color:inherit;}

h1,h2,h3,h4{
  font-family:'Fraunces',serif;
  font-weight:500;
  letter-spacing:-0.01em;
  line-height:1.15;
  color:var(--ink);
}
.accent{color:var(--brass);}
.eyebrow{
  font-family:'Inter',sans-serif;
  font-size:11.5px;
  font-weight:600;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--brass);
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";display:inline-block;width:18px;height:1px;background:var(--brass);}
.section-head{max-width:620px;margin-bottom:44px;}
.section-head.center{margin-inline:auto;text-align:center;}
.section-head h2{font-size:clamp(28px,3.6vw,42px);margin-top:12px;}
.section-head p{margin-top:14px;color:var(--taupe);font-size:16px;max-width:520px;}
.section-head.center p{margin-inline:auto;}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:28px;}
section{padding:84px 0;position:relative;}
@media (max-width:768px){section{padding:58px 0;}}

.section-alt{background:var(--paper);}

/* ===== Buttons (pill, icon-chip) — fixed height so every variant matches ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  height:54px;padding:0 6px 0 26px;border-radius:999px;box-sizing:border-box;
  font-size:14.5px;font-weight:600;letter-spacing:0.01em;
  transition:all .35s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--espresso);color:var(--ivory);box-shadow:var(--shadow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-primary .icon-chip{background:var(--brass);color:var(--espresso);}

.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brass);color:var(--brass);}
.btn-ghost .icon-chip{background:transparent;border:1px solid currentColor;color:inherit;}

.btn .icon-chip{
  width:36px;height:36px;border-radius:50%;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .35s var(--ease);
}
.btn:hover .icon-chip{transform:rotate(8deg) scale(1.06);}
.btn .icon-chip svg{width:15px;height:15px;}

/* ===== Reveal on scroll ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.06s;}
.reveal-delay-2{transition-delay:.12s;}
.reveal-delay-3{transition-delay:.18s;}

/* ===== Görsel çerçeveler ===== */
.ph{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  background:radial-gradient(130% 150% at 22% 12%, #423628 0%, #241E1A 52%, #14100D 100%);
  isolation:isolate;
}
.ph img{
  position:absolute;inset:0;z-index:0;
  width:100%;height:100%;object-fit:cover;
}
.ph::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(120% 120% at 50% 42%, transparent 55%, rgba(10,8,6,0.4) 100%);
  mix-blend-mode:multiply;
}
.ph::after{
  content:"";position:absolute;inset:14px;z-index:2;pointer-events:none;border-radius:calc(var(--r-md) - 10px);
  border:1px solid rgba(247,242,233,0.2);
}

/* ===== Elevated card shell (used across sections) ===== */
.elev{
  background:var(--card);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.elev:hover{transform:translateY(-4px);box-shadow:var(--shadow);}

/* ===== Horizontal scroll rows (yana kayan kutucuklar) ===== */
.hscroll{
  display:flex;gap:20px;overflow-x:auto;overflow-y:hidden;
  padding:6px 0 14px;margin-inline:-28px;padding-inline:28px;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  overscroll-behavior-x:contain;
  scrollbar-width:none;
}
.hscroll::-webkit-scrollbar{display:none;}
.hscroll > *{scroll-snap-align:start;flex:0 0 auto;}
/* ===== Lab gallery grid: heading + nav arrows + gallery, reorderable per breakpoint ===== */
.lab-grid{
  display:grid;
  grid-template-columns:1fr auto;
  grid-template-areas:"head nav" "gallery gallery";
  column-gap:24px;row-gap:28px;
  align-items:end;
}
.lab-grid .section-head{grid-area:head;margin-bottom:0;}
.lab-grid .hscroll-nav{grid-area:nav;}
.lab-grid .hscroll{grid-area:gallery;}
@media (max-width:768px){
  .lab-grid{
    grid-template-columns:1fr;
    grid-template-areas:"head" "gallery" "nav";
    row-gap:22px;
  }
  .lab-grid .hscroll-nav{justify-self:center;}
}

.hscroll-nav{display:flex;gap:10px;flex:none;}
.hscroll-btn{
  width:46px;height:46px;border-radius:50%;flex:none;
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  transition:all .3s var(--ease);cursor:pointer;
}
.hscroll-btn svg{width:18px;height:18px;}
.hscroll-btn:hover:not(:disabled){border-color:var(--brass);color:var(--brass);background:var(--brass-tint);}
.hscroll-btn:disabled{opacity:.32;cursor:default;}
@media (max-width:768px){
  .hscroll-btn{width:52px;height:52px;box-shadow:var(--shadow-sm);border-color:rgba(36,30,26,0.2);}
}

/* ===== Navbar ===== */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 0;transition:all .4s var(--ease);
  background:transparent;
}
.navbar.scrolled{
  background:rgba(247,242,233,0.92);
  backdrop-filter:blur(10px);
  padding:12px 0;
  box-shadow:0 1px 0 var(--line);
}
.navbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;}
.brand-logo{height:46px;width:auto;display:block;}

.nav-links{display:flex;align-items:center;gap:30px;flex:1;justify-content:center;}
.nav-links a{font-size:14px;font-weight:500;position:relative;color:var(--espresso-soft);}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;height:1px;width:0;
  background:var(--brass);transition:width .3s var(--ease);
}
.nav-links a:hover::after{width:100%;}
.nav-cta .btn{height:42px;padding:0 20px 0 22px;font-size:13px;}
.nav-cta .btn .icon-chip{width:26px;height:26px;}
.nav-cta .btn .icon-chip svg{width:13px;height:13px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:26px;background:none;border:none;cursor:pointer;}
.nav-toggle span{height:1.5px;width:100%;background:var(--espresso);transition:all .3s var(--ease);}

@media (max-width:940px){
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:min(78vw,340px);
    background:var(--ivory);flex-direction:column;justify-content:center;align-items:flex-start;
    gap:26px;padding:40px;transform:translateX(100%);transition:transform .45s var(--ease);
    box-shadow:-20px 0 60px rgba(0,0,0,0.15);}
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:20px;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;z-index:110;}
  .nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
}

/* ===== Hero ===== */
.hero{
  min-height:86vh;display:flex;align-items:center;
  padding-top:120px;padding-bottom:60px;
  position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(60% 60% at 60% 40%, black 0%, transparent 75%);
  opacity:.6;
}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr 0.95fr;gap:56px;align-items:center;}
.hero-copy .eyebrow{margin-bottom:20px;}
.hero-copy h1{
  font-family:'Playfair Display',serif;
  font-size:clamp(44px,6.2vw,80px);
  letter-spacing:-0.01em;
  font-style:italic;
  font-weight:400;
  line-height:1.2;
  margin-block:10px;
}
.hero-copy .lede{margin-top:30px;font-size:18px;color:var(--taupe);max-width:460px;}
.hero-visual{position:relative;aspect-ratio:1/1;}
.hero-visual .ph{position:absolute;inset:0;}
@media (max-width:940px){
  .hero{padding-top:108px;min-height:auto;}
  .hero::before{background-size:44px 44px;}
  .hero .wrap{grid-template-columns:1fr;gap:64px;}
  .hero-visual{aspect-ratio:5/4;margin-top:8px;}
}

/* ===== Value grid (elevated card rows, reused across sections) ===== */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.value-grid.three{grid-template-columns:repeat(3,1fr);}
.value-item{padding:26px 22px;}
.value-item .step-num{
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;margin-bottom:16px;
  background:var(--brass-tint);color:var(--brass);
  font-family:'Fraunces',serif;font-weight:600;font-size:14px;
}
.value-item h3{font-size:16px;font-weight:700;}
.value-item p{margin-top:5px;color:var(--taupe);font-size:13.5px;}
@media (max-width:940px){.value-grid{grid-template-columns:repeat(2,1fr);gap:14px;}.value-grid.three{grid-template-columns:1fr;}}

/* ===== Çalışma Alanları ===== */
.work-areas{padding:64px 0;}
@media (max-width:768px){.work-areas{padding:48px 0;}}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  border:none;border-radius:999px;
  padding:10px 20px;font-size:13.5px;font-weight:600;color:var(--espresso-soft);
  background:var(--card);box-shadow:var(--shadow-sm);
  transition:all .3s var(--ease);
}
.tag-pill:hover{color:var(--brass);box-shadow:var(--shadow);transform:translateY(-2px);}

/* ===== Concern cards (Kliniğinizin Tarafından Bakıyoruz) ===== */
.concern-list{display:flex;flex-direction:column;gap:20px;}
.concern-card{
  display:grid;grid-template-columns:0.85fr 1.15fr;gap:40px;
  padding:38px;
}
.concern-left{border-right:1px solid var(--line);padding-right:38px;}
.concern-left .risk-label{font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--brass);font-weight:700;}
.concern-q{
  font-family:'Fraunces',serif;font-style:italic;font-size:28px;
  margin-top:16px;color:var(--ink);line-height:1.3;
}
.concern-sub{display:block;margin-top:12px;font-size:13px;color:var(--taupe);}
.concern-right h3{font-size:19px;margin-top:10px;font-weight:600;}
.concern-right p{margin-top:12px;color:var(--taupe);font-size:14.5px;}
.concern-close{
  margin-top:16px;font-style:italic;color:var(--brass);font-size:14px;
  font-family:'Fraunces',serif;
}
@media (max-width:768px){
  .concern-list{
    display:flex;flex-wrap:nowrap;gap:14px;
    overflow-x:auto;overflow-y:hidden;margin-inline:-28px;padding:4px 28px 10px;
    scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
    overscroll-behavior-x:contain;
    scrollbar-width:none;
  }
  .concern-list::-webkit-scrollbar{display:none;}
  .concern-card{
    grid-template-columns:1fr;gap:16px;padding:24px;
    flex:0 0 85%;scroll-snap-align:start;
  }
  .concern-left{border-right:none;padding-right:0;border-bottom:1px solid var(--line);padding-bottom:16px;}
  .concern-q{font-size:21px;}
  .concern-right h3{font-size:17px;}
  .concern-right p{font-size:13.5px;}
  .concern-close{font-size:13px;}
}

/* ===== Balance note (Güç kadar, denge de önemli) ===== */
.balance-note{text-align:center;padding:64px 0;}
.balance-note .wrap{max-width:600px;}
.balance-note .eyebrow{justify-content:center;margin-bottom:22px;}
.balance-note p{font-family:'Fraunces',serif;font-style:italic;font-size:19px;color:var(--espresso-soft);line-height:1.6;}
.balance-note .close{margin-top:16px;font-style:normal;font-weight:600;color:var(--brass);font-size:14.5px;font-family:'Inter',sans-serif;}

/* ===== Video kartları (büyük, yana kayan) ===== */
.story-row{gap:20px;padding-bottom:8px;}
.story-item{
  width:min(62vw,260px);flex:0 0 auto;
  border:none;background:none;padding:0;margin:0;font:inherit;cursor:pointer;
  display:block;text-align:center;
}
.story-thumb{
  position:relative;display:block;width:100%;aspect-ratio:9/16;
  border-radius:var(--r-lg);overflow:hidden;background:var(--espresso);
  box-shadow:var(--shadow-sm);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.story-item:hover .story-thumb,.story-item:focus-visible .story-thumb{transform:translateY(-4px);box-shadow:var(--shadow);}
.story-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s var(--ease);}
.story-item:hover .story-thumb img{transform:scale(1.04);}
.story-expand{
  position:absolute;top:14px;right:14px;z-index:2;
  width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,0.92);color:var(--espresso);
  display:flex;align-items:center;justify-content:center;
}
.story-expand svg{width:16px;height:16px;}
.story-playbtn{
  position:absolute;top:50%;left:50%;z-index:2;
  transform:translate(-50%,-50%);
  width:60px;height:60px;border-radius:50%;
  background:rgba(255,255,255,0.95);color:var(--espresso);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -8px rgba(0,0,0,0.4);
  transition:transform .3s var(--ease);
}
.story-item:hover .story-playbtn,.story-item:focus-visible .story-playbtn{transform:translate(-50%,-50%) scale(1.08);}
.story-playbtn svg{width:22px;height:22px;margin-left:3px;}
@media (max-width:768px){
  .story-block .hscroll-nav{display:none;}
}

/* ===== Koyu panel — footer'la uyumlu, sitede tekrar kullanılan yüzen kart ===== */
.section-dark{background:var(--espresso);color:var(--ivory);}
.section-dark h2{color:var(--ivory);}
.section-dark .eyebrow{color:var(--brass-soft);}
.section-dark .eyebrow::before{background:var(--brass-soft);}
.section-dark .section-head p{color:rgba(247,242,233,0.6);}
.section-dark .btn-primary{background:var(--brass);color:var(--espresso);}
.section-dark .btn-primary:hover{background:var(--brass-soft);}
.section-dark .btn-primary .icon-chip{background:var(--espresso);color:var(--brass-soft);}

.dark-panel{
  position:relative;overflow:hidden;isolation:isolate;
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);
}
.dark-panel::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(247,242,233,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247,242,233,0.07) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(60% 60% at 50% 35%, black 0%, transparent 75%);
}

.work-panel{padding:56px 44px;}
.work-panel .section-head{max-width:640px;}
@media (max-width:768px){.work-panel{padding:40px 24px;}}

.closing-cta{padding:56px 0;}
.cta-card{
  padding:52px 32px;
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
.cta-card .contact-head{max-width:480px;margin-bottom:22px;margin-inline:auto;}
.cta-card .contact-head .eyebrow{justify-content:center;margin-bottom:12px;}
.cta-card .contact-head h2{font-size:clamp(24px,3.2vw,32px);}
.cta-card .contact-head p{margin-top:10px;margin-inline:auto;color:rgba(247,242,233,0.6);font-size:14.5px;max-width:400px;}
.closing-alt{margin-top:18px;font-size:13px;color:rgba(247,242,233,0.5);}
.closing-alt a{font-weight:600;color:var(--ivory);text-decoration:underline;text-underline-offset:3px;}
.closing-alt a:hover{color:var(--brass-soft);}
@media (max-width:768px){
  .closing-cta{padding:40px 0;}
  .cta-card{padding:40px 20px;}
}

/* ===== Footer ===== */
.footer{background:var(--espresso);padding:26px 0;text-align:center;}
.footer-bottom{font-size:12px;color:rgba(247,242,233,0.45);}

/* ===== Floating WhatsApp ===== */
.wa-float{
  position:fixed;bottom:24px;right:24px;z-index:90;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;color:#FFFFFF;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px -6px rgba(37,211,102,0.55),0 4px 14px -2px rgba(0,0,0,0.25);
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.wa-float:hover{transform:translateY(-3px) scale(1.05);background:#1FB859;}
.wa-float svg{width:25px;height:25px;}
@media (max-width:600px){.wa-float{bottom:16px;right:16px;width:50px;height:50px;}}


/* ===== Video story viewer (Instagram story oynatıcı) ===== */
.story-viewer{
  position:fixed;inset:0;z-index:210;
  display:none;align-items:center;justify-content:center;
  background:rgba(15,12,9,0.96);
  padding:32px;
  opacity:0;transition:opacity .3s var(--ease);
}
.story-viewer.open{display:flex;opacity:1;}
.story-stage{
  position:relative;width:min(90vw,400px);aspect-ratio:9/16;max-height:86vh;
  border-radius:18px;overflow:hidden;background:#000;
  box-shadow:0 30px 80px -20px rgba(0,0,0,0.6);
  transform:scale(.96);transition:transform .3s var(--ease);
}
.story-viewer.open .story-stage{transform:scale(1);}
.story-stage video{width:100%;height:100%;object-fit:cover;display:block;cursor:pointer;}
.story-progress{
  position:absolute;bottom:14px;left:12px;right:12px;z-index:3;
  display:flex;gap:5px;pointer-events:none;
}
.story-bar{flex:1;height:3px;border-radius:2px;background:rgba(255,255,255,.3);overflow:hidden;}
.story-bar-fill{display:block;height:100%;width:0%;background:#fff;border-radius:2px;}
.story-mute{
  position:absolute;top:14px;left:14px;z-index:3;
  width:34px;height:34px;border-radius:50%;
  background:rgba(20,16,13,.55);color:#fff;
  border:1px solid rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .3s var(--ease);
}
.story-mute:hover{background:var(--brass);border-color:var(--brass);}
.story-mute svg{width:16px;height:16px;}
.story-mute .icon-unmuted{display:none;}
.story-mute.is-unmuted .icon-muted{display:none;}
.story-mute.is-unmuted .icon-unmuted{display:block;}
.story-nav{
  position:absolute;top:50%;z-index:4;
  transform:translateY(-50%);
  width:46px;height:46px;border-radius:50%;flex:none;
  background:rgba(20,16,13,0.6);color:#fff;
  border:1px solid rgba(255,255,255,0.35);
  box-shadow:0 6px 18px -6px rgba(0,0,0,0.5);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .3s var(--ease),opacity .3s var(--ease);
}
.story-nav:hover{background:rgba(20,16,13,0.85);}
.story-nav svg{width:20px;height:20px;}
.story-nav-prev{left:max(16px,calc(50% - min(45vw,200px) - 70px));}
.story-nav-next{right:max(16px,calc(50% - min(45vw,200px) - 70px));}
.story-nav:disabled{opacity:.3;cursor:default;}
.story-nav:disabled:hover{background:rgba(20,16,13,0.6);}
.story-close{
  position:absolute;top:24px;right:24px;z-index:1;
  width:44px;height:44px;border-radius:50%;
  background:rgba(247,242,233,0.1);color:var(--ivory);
  border:1px solid rgba(247,242,233,0.25);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .3s var(--ease);
}
.story-close:hover{background:var(--brass);border-color:var(--brass);color:var(--espresso);}
.story-close svg{width:18px;height:18px;}
@media (max-width:600px){
  .story-viewer{padding:16px;}
  .story-stage{width:min(94vw,360px);}
  .story-close{top:14px;right:14px;width:40px;height:40px;}
  .story-nav{width:40px;height:40px;}
  .story-nav-prev{left:max(6px,calc(50% - min(47vw,180px) - 52px));}
  .story-nav-next{right:max(6px,calc(50% - min(47vw,180px) - 52px));}
}