/* ==============================================
   SHARED — Zahnarzt Tillmann Bielefeld & Team
============================================== */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
:root{
  --dark:#213140;--dark2:#1a2b38;--dark3:#172433;
  --light:#fefefe;--cream:#eef4fb;
  --tl:#fefefe;--tmute:rgba(254,254,254,.42);
  --accent:#87bef6;--acc2:#9ec9f8;
  --serif:'Prata',Georgia,serif;
  --serif-it:'Cormorant Garamond',Georgia,serif;
  --sans:'DM Sans',system-ui,sans-serif;
  --expo:cubic-bezier(.16,1,.3,1);
}
html{scroll-behavior:smooth;font-size:16px;}
body{font-family:var(--sans);background:var(--dark);color:var(--tl);overflow-x:hidden;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;}a{text-decoration:none;color:inherit;}ul{list-style:none;}
::selection{background:var(--accent);color:var(--dark);}
h1 em,h2 em,h3 em{font-family:var(--serif-it);font-style:italic;font-weight:300;}

/* PROGRESS BAR */
#pgbar{position:fixed;top:0;left:0;right:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;z-index:9999;pointer-events:none;}

/* CURSOR */
#cur{position:fixed;top:0;left:0;width:9px;height:9px;background:var(--accent);border-radius:50%;pointer-events:none;z-index:9998;transform:translate(-50%,-50%);transition:width .3s var(--expo),height .3s var(--expo);}
#cur.big{width:54px;height:54px;background:transparent;border:1.5px solid var(--accent);}
@media(hover:none){#cur{display:none;}}@media(max-width:768px){#cur{display:none;}}

/* NAV */
.nav{position:fixed;inset:0 0 auto;z-index:800;padding:1.7rem 5rem;display:flex;align-items:center;justify-content:space-between;transition:padding .5s var(--expo),background .5s,border-color .5s;}
.nav.scrolled{padding:1rem 5rem;background:rgba(33,49,64,.92);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-bottom:1px solid rgba(135,190,246,.15);}
.nav-logo{font-family:var(--serif-it);font-size:1.28rem;font-weight:400;font-style:italic;letter-spacing:.06em;color:var(--tl);}
.nav-logo b{font-style:normal;font-weight:600;}
.nav-links{display:flex;align-items:center;gap:2.5rem;}
.nav-links a{font-size:.75rem;letter-spacing:.13em;text-transform:uppercase;color:rgba(254,254,254,.62);transition:color .3s;font-weight:400;}
.nav-links a:hover,.nav-links a.active{color:var(--accent);}
.nav-cta{color:var(--accent)!important;border:1px solid rgba(135,190,246,.45);padding:.6rem 1.5rem;border-radius:40px;transition:background .3s,color .3s,border-color .3s!important;}
.nav-cta:hover{background:var(--accent)!important;color:var(--dark)!important;border-color:var(--accent)!important;}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:801;}
.burger span{display:block;width:24px;height:1.5px;background:var(--tl);transition:transform .35s var(--expo),opacity .35s;}
.burger.open span:first-child{transform:rotate(45deg) translate(4px,4px);}
.burger.open span:last-child{transform:rotate(-45deg) translate(4px,-4px);}
.mob-nav{display:none;position:fixed;inset:0;background:rgba(33,49,64,.97);z-index:799;flex-direction:column;align-items:center;justify-content:center;gap:2.8rem;}
.mob-nav.open{display:flex;}
.mob-nav a{font-family:var(--serif-it);font-size:2.4rem;font-weight:300;color:var(--tl);transition:color .3s;opacity:0;transform:translateY(20px);}
.mob-nav.open a{animation:fadeUp .6s var(--expo) forwards;}
.mob-nav a:nth-child(1){animation-delay:.05s;}.mob-nav a:nth-child(2){animation-delay:.12s;}
.mob-nav a:nth-child(3){animation-delay:.19s;}.mob-nav a:nth-child(4){animation-delay:.26s;}
.mob-nav a:nth-child(5){animation-delay:.33s;}.mob-nav a:nth-child(6){animation-delay:.40s;}
.mob-nav a:hover{color:var(--accent);}

/* NAV DROPDOWN */
.has-drop{position:relative;}
.has-drop>a{display:flex;align-items:center;gap:.35rem;cursor:pointer;}
.has-drop>a::after{content:'›';font-size:.8rem;line-height:1;transition:transform .3s var(--expo);display:inline-block;}
.has-drop.open>a::after{transform:rotate(90deg);}
.dropdown{
  position:absolute;top:calc(100% + .9rem);left:50%;transform:translateX(-50%) translateY(-6px);
  background:rgba(22,36,49,.97);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border:1px solid rgba(135,190,246,.14);min-width:210px;padding:.5rem 0;
  opacity:0;visibility:hidden;
  transition:opacity .25s,transform .25s var(--expo),visibility .25s;
  z-index:900;
}
.has-drop.open .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.dropdown li{list-style:none;}
.dropdown li a{
  display:block;padding:.65rem 1.5rem;
  font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;
  color:rgba(254,254,254,.55);transition:color .2s,background .2s;font-weight:400;
}
.dropdown li a:hover{color:var(--accent);background:rgba(135,190,246,.05);}
.dropdown li+li{border-top:1px solid rgba(135,190,246,.06);}

/* MOB-NAV SUB-LINKS */
.mob-leist-toggle{cursor:pointer;display:flex;align-items:center;gap:.5rem;}
.mob-leist-arrow{font-size:1.2rem;display:inline-block;transition:transform .35s var(--expo);}
.mob-leist-toggle.sub-open .mob-leist-arrow{transform:rotate(90deg);}
.mob-sub{display:none;flex-direction:column;align-items:center;gap:1.1rem;margin-top:-.6rem;padding-bottom:.4rem;}
.mob-sub.open{display:flex;}
.mob-sub-link{
  font-family:var(--sans)!important;font-size:.75rem!important;letter-spacing:.18em;
  text-transform:uppercase;color:rgba(254,254,254,.45)!important;
  transition:color .3s;opacity:0;transform:translateY(10px);
}
.mob-sub.open .mob-sub-link{animation:fadeUp .4s var(--expo) forwards;}
.mob-sub.open .mob-sub-link:nth-child(1){animation-delay:.04s;}
.mob-sub.open .mob-sub-link:nth-child(2){animation-delay:.09s;}
.mob-sub.open .mob-sub-link:nth-child(3){animation-delay:.14s;}
.mob-sub.open .mob-sub-link:nth-child(4){animation-delay:.19s;}
.mob-sub.open .mob-sub-link:nth-child(5){animation-delay:.24s;}
.mob-sub.open .mob-sub-link:nth-child(6){animation-delay:.29s;}
.mob-sub-link:hover{color:var(--accent)!important;}

/* LABEL */
.label{display:inline-flex;align-items:center;gap:.8rem;font-size:.64rem;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);font-weight:400;margin-bottom:1.2rem;}
.label::before{content:'';display:block;width:26px;height:1px;background:var(--accent);flex-shrink:0;}

/* BUTTONS */
.btn-prim{display:inline-flex;align-items:center;gap:.9rem;background:var(--accent);color:var(--dark);padding:1.05rem 2.4rem;font-family:var(--sans);font-size:.75rem;letter-spacing:.17em;text-transform:uppercase;font-weight:500;cursor:pointer;border:none;transition:background .3s,gap .3s;width:fit-content;position:relative;overflow:hidden;}
.btn-prim::before{content:'';position:absolute;inset:0;background:var(--acc2);transform:translateX(-101%);transition:transform .45s var(--expo);}
.btn-prim span{position:relative;z-index:1;}
.btn-prim:hover::before{transform:translateX(0);}
.btn-prim:hover{gap:1.35rem;}
.btn-outline{display:inline-flex;align-items:center;gap:.9rem;border:1px solid rgba(135,190,246,.35);color:var(--accent);padding:1rem 2.2rem;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;font-weight:400;transition:border-color .3s,color .3s,gap .3s,background .3s;width:fit-content;}
.btn-outline:hover{border-color:var(--accent);background:rgba(135,190,246,.08);gap:1.35rem;}

/* PAGE HERO */
.pg-hero{height:100vh;min-height:580px;position:relative;display:flex;align-items:flex-end;padding:0 5rem 5.5rem;overflow:hidden;}
.pg-hero-bg{position:absolute;inset:0;}
.pg-hero-bg img{width:100%;height:100%;object-fit:cover;filter:grayscale(30%) brightness(.35);}
.pg-hero-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(33,49,64,.97) 0%,rgba(33,49,64,.3) 55%,rgba(33,49,64,.06) 100%);z-index:2;}
.pg-hero-grain{position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E");background-size:200px;opacity:.28;pointer-events:none;z-index:1;}
.pg-hero-content{position:relative;z-index:3;max-width:1100px;}
.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(254,254,254,.3);margin-bottom:2rem;}
.breadcrumb a{color:rgba(254,254,254,.3);transition:color .3s;}.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span{color:rgba(254,254,254,.16);}
.pg-hero-h1{font-family:var(--serif);font-size:clamp(3.5rem,8vw,8.5rem);font-weight:400;line-height:.93;color:var(--tl);margin-bottom:2rem;}
.pg-hero-sub{font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(254,254,254,.42);margin-bottom:2.5rem;line-height:1.8;}

/* INTRO SECTION */
.pg-intro{display:grid;grid-template-columns:1fr 1fr;gap:7rem;align-items:center;padding:9rem 5rem;background:var(--dark);}
.pg-intro-text h2{font-family:var(--serif);font-size:clamp(2rem,3.5vw,3.6rem);font-weight:400;line-height:1;color:var(--tl);margin-bottom:1.8rem;}
.pg-intro-text p{font-size:.9rem;line-height:1.9;color:var(--tmute);margin-bottom:2rem;font-weight:300;}
.service-list{display:flex;flex-direction:column;gap:.9rem;margin-bottom:2.8rem;}
.service-item{display:flex;align-items:center;gap:1.1rem;font-size:.84rem;color:rgba(254,254,254,.58);font-weight:300;}
.service-item::before{content:'';display:block;width:4px;height:4px;border-radius:50%;background:var(--accent);flex-shrink:0;}
.pg-intro-img{position:relative;height:540px;overflow:hidden;}
.pg-intro-img img{width:100%;height:100%;object-fit:cover;filter:grayscale(15%) brightness(.75);}
.pg-intro-img::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(33,49,64,.3) 0%,transparent 55%);}

/* PROCESS */
.pg-process{padding:9rem 5rem;background:var(--dark2);}
.pg-process-top{margin-bottom:4.5rem;}
.pg-process-top h2{font-family:var(--serif);font-size:clamp(2rem,3.8vw,3.8rem);font-weight:400;color:var(--tl);line-height:1;}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;}
.step{padding:2.8rem 2rem;border:1px solid rgba(135,190,246,.1);position:relative;overflow:hidden;transition:border-color .4s;}
.step:hover{border-color:rgba(135,190,246,.28);}
.step-bg-num{font-family:var(--serif);font-size:7rem;font-weight:400;color:rgba(135,190,246,.04);position:absolute;top:-.5rem;right:.5rem;line-height:1;pointer-events:none;}
.step-num{display:block;font-size:.6rem;letter-spacing:.22em;color:var(--accent);margin-bottom:1.2rem;}
.step-title{font-family:var(--serif);font-size:1.12rem;font-weight:400;color:var(--tl);margin-bottom:.8rem;line-height:1.2;}
.step-desc{font-size:.78rem;line-height:1.85;color:var(--tmute);font-weight:300;}

/* RELATED */
.pg-related{padding:9rem 5rem;background:var(--dark);}
.pg-related-top{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:3.5rem;}
.pg-related-top h2{font-family:var(--serif);font-size:clamp(2rem,3.5vw,3.5rem);font-weight:400;color:var(--tl);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;}
.related-card{display:block;position:relative;height:360px;overflow:hidden;}
.related-card img{width:100%;height:100%;object-fit:cover;filter:grayscale(25%) brightness(.45);transition:transform .9s var(--expo),filter .9s;}
.related-card:hover img{transform:scale(1.05);filter:grayscale(10%) brightness(.6);}
.related-card-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(33,49,64,.92) 0%,rgba(33,49,64,.15) 55%);}
.related-card-body{position:absolute;bottom:0;left:0;right:0;padding:2rem;}
.related-num{display:block;font-size:.65rem;letter-spacing:.22em;color:var(--accent);margin-bottom:.6rem;}
.related-card h3{font-family:var(--serif);font-size:1.45rem;font-weight:400;color:var(--tl);margin-bottom:.7rem;line-height:1.1;}
.related-link{font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(135,190,246,.5);transition:color .3s;}
.related-card:hover .related-link{color:var(--accent);}

/* CTA */
.pg-cta{padding:9rem 5rem;background:var(--dark3);text-align:center;}
.pg-cta-eyebrow{font-size:.64rem;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);margin-bottom:1.5rem;}
.pg-cta h2{font-family:var(--serif);font-size:clamp(2.8rem,6vw,6.5rem);font-weight:400;color:var(--tl);margin-bottom:1rem;line-height:.95;}
.pg-cta p{font-size:.88rem;line-height:1.8;color:var(--tmute);margin-bottom:3rem;max-width:460px;margin-left:auto;margin-right:auto;font-weight:300;}
.pg-cta-btns{display:flex;gap:1.2rem;justify-content:center;flex-wrap:wrap;}

/* FOOTER */
.footer{background:var(--dark3);padding:5rem 5rem 2.5rem;border-top:1px solid rgba(135,190,246,.1);}
.footer-top{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4rem;margin-bottom:3.5rem;}
.footer-logo{font-family:var(--serif-it);font-size:1.28rem;font-weight:400;font-style:italic;letter-spacing:.06em;color:var(--tl);margin-bottom:1rem;}
.footer-logo b{font-style:normal;}
.footer-claim{font-size:.78rem;line-height:1.7;color:var(--tmute);max-width:280px;}
.footer-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:.9rem 3rem;}
.footer-nav-grid a{font-size:.73rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(254,254,254,.45);transition:color .3s;}
.footer-nav-grid a:hover{color:var(--accent);}
.footer-socials{display:flex;gap:1.2rem;justify-content:flex-end;align-items:flex-start;}
.soc{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid rgba(135,190,246,.2);border-radius:50%;color:rgba(254,254,254,.4);transition:border-color .3s,color .3s;}
.soc:hover{border-color:var(--accent);color:var(--accent);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:2rem;border-top:1px solid rgba(135,190,246,.08);}
.footer-copy{font-size:.65rem;letter-spacing:.1em;color:rgba(254,254,254,.22);}
.footer-legal{display:flex;gap:2rem;}
.footer-legal a{font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(254,254,254,.28);transition:color .3s;}
.footer-legal a:hover{color:var(--accent);}

/* KEYFRAMES */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}

/* RESPONSIVE */
@media(max-width:1024px){.steps-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:768px){
  .nav{padding:1.2rem 1.5rem;}.nav.scrolled{padding:.9rem 1.5rem;}
  .nav-links{display:none;}.burger{display:flex;}
  .pg-hero{padding:0 1.5rem 4rem;min-height:88svh;}
  .pg-hero-h1{font-size:clamp(2.8rem,12vw,4.5rem);}
  .breadcrumb{display:none;}
  .pg-intro{grid-template-columns:1fr;gap:3rem;padding:5rem 1.5rem;}
  .pg-intro-img{height:280px;order:-1;}
  .pg-process{padding:5rem 1.5rem;}
  .steps-grid{grid-template-columns:1fr 1fr;gap:1.2rem;}
  .step{padding:1.8rem 1.2rem;}.step-bg-num{font-size:4rem;}
  .pg-related{padding:5rem 1.5rem;}
  .related-grid{grid-template-columns:1fr;gap:1rem;}.related-card{height:240px;}
  .pg-related-top{flex-direction:column;align-items:flex-start;gap:1.5rem;}
  .pg-cta{padding:5rem 1.5rem;}
  .footer{padding:3.5rem 1.5rem 2rem;}
  .footer-top{grid-template-columns:1fr;gap:2.5rem;}
  .footer-socials{justify-content:flex-start;}
  .footer-bottom{flex-direction:column;gap:1rem;text-align:center;}
  .footer-legal{justify-content:center;}
}
@media(max-width:480px){
  .steps-grid{grid-template-columns:1fr;}
  .pg-cta h2{font-size:2.5rem;}
}