/* ===================== BASE ===================== */
:root{
  --teal:#0fb8a8;
  --teal-dark:#0a8c80;
  --navy:#0d2b3e;
  --ink:#173040;
  --muted:#5f7480;
  --bg:#f4fbfb;
  --white:#ffffff;
  --shadow:0 14px 40px rgba(13,43,62,.12);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Poppins',system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.15;font-weight:600;color:var(--navy)}

/* ===================== INTRO ===================== */
.intro{
  position:fixed;inset:0;z-index:9999;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:radial-gradient(circle at 50% 40%,#10c3b2,#0a8c80 60%,#073f3a);
  gap:14px;
  animation:introOut .7s ease 3.6s forwards;
}
.intro-logo{position:relative;width:182px;animation:logoPop .7s cubic-bezier(.2,.9,.3,1.2) both,logoGlow 1.4s ease 2.0s forwards}
.logo-lines{width:100%;height:auto;display:block;overflow:visible}
.cln{
  fill:none;stroke:#ffffff;stroke-width:1.2;
  stroke-linecap:butt;stroke-linejoin:round;
  stroke-dasharray:calc(var(--l) + 4);stroke-dashoffset:calc(var(--l) + 4);
  animation:lnDraw .6s ease forwards;
}
.logo-fill{fill:#ffffff;fill-opacity:0;animation:fillIn .7s ease 1.7s forwards}
.logo-shine{
  position:absolute;inset:0;overflow:hidden;pointer-events:none;
  -webkit-mask:url('assets/logo.png') center/contain no-repeat;
          mask:url('assets/logo.png') center/contain no-repeat;
}
.logo-shine::before{
  content:"";position:absolute;top:-20%;left:-80%;width:55%;height:140%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.95),transparent);
  transform:rotate(10deg);opacity:0;
  animation:shineSweep 1.05s ease 2.2s forwards;
}
.intro-title{color:#fff;font-size:clamp(1.4rem,5vw,2.4rem);font-weight:600;opacity:0;animation:fadeUp .7s ease 2.4s both}
.intro-sub{color:#d6fff9;font-size:clamp(1rem,3.4vw,1.4rem);font-weight:300;letter-spacing:2px;opacity:0;animation:fadeUp .7s ease 2.6s both}
body.intro-done .intro{display:none}

@keyframes lnDraw{to{stroke-dashoffset:0}}
@keyframes fillIn{to{fill-opacity:1}}
@keyframes logoPop{from{transform:scale(.62);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes logoGlow{
  0%{filter:drop-shadow(0 0 0 rgba(255,255,255,0))}
  45%{filter:drop-shadow(0 0 10px rgba(255,255,255,.95)) drop-shadow(0 0 24px rgba(15,184,168,.7))}
  100%{filter:drop-shadow(0 0 6px rgba(191,247,239,.55))}
}
@keyframes shineSweep{0%{left:-80%;opacity:0}25%{opacity:1}75%{opacity:1}100%{left:180%;opacity:0}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes introOut{to{opacity:0;visibility:hidden}}

/* ===================== HEADER ===================== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px clamp(16px,4vw,48px);
  transition:background .3s,box-shadow .3s,padding .3s;
}
.header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(13,43,62,.08);padding:8px clamp(16px,4vw,48px)}
.logo{display:flex;align-items:center;gap:10px}
.logo-img{height:46px;width:auto;display:block}
.logo-scr{display:none}
.header.scrolled .logo-top{display:none}
.header.scrolled .logo-scr{display:block}
.logo-text{font-weight:700;font-size:1.3rem;color:#fff;letter-spacing:.5px}
.header.scrolled .logo-text{color:var(--navy)}
.logo-accent{color:#bff7ef}
.header.scrolled .logo-accent{color:var(--teal)}

.nav{display:flex;gap:28px}
.nav a{font-weight:500;color:#eafffb;position:relative;padding:4px 0;font-size:.98rem}
.header.scrolled .nav a{color:var(--ink)}
.nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--teal);transition:width .25s}
.nav a:hover::after{width:100%}

.header-right{display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;gap:6px;background:rgba(255,255,255,.18);padding:5px;border-radius:30px}
.header.scrolled .lang-switch{background:rgba(13,43,62,.06)}
.lang-btn{width:30px;height:20px;border:none;background:none;cursor:pointer;border-radius:4px;overflow:hidden;padding:0;opacity:.55;transition:opacity .2s,transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.lang-btn svg{width:100%;height:100%;display:block}
.lang-btn:hover{opacity:.9;transform:translateY(-1px)}
.lang-btn.active{opacity:1;outline:2px solid #fff;outline-offset:1px}
.header.scrolled .lang-btn.active{outline-color:var(--teal)}

/* ===================== BUTTONS ===================== */
.book-btn{
  background:linear-gradient(135deg,var(--teal),var(--teal-dark));
  color:#fff;border:none;cursor:pointer;
  padding:12px 24px;border-radius:30px;font-family:inherit;font-weight:600;font-size:.95rem;
  box-shadow:0 8px 20px rgba(15,184,168,.35);
  transition:transform .2s,box-shadow .2s;
}
.book-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,184,168,.45)}
.header-book{padding:9px 18px;font-size:.88rem}
.btn-ghost{display:inline-block;padding:12px 24px;border-radius:30px;border:2px solid rgba(255,255,255,.7);color:#fff;font-weight:500;transition:background .2s,color .2s}
.btn-ghost:hover{background:#fff;color:var(--teal-dark)}

.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.menu-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.header.scrolled .menu-toggle span{background:var(--navy)}

/* ===================== HERO ===================== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-2;background:linear-gradient(120deg,rgba(13,43,62,.78) 0%,rgba(10,140,128,.60) 50%,rgba(13,110,140,.62) 100%),url('assets/hero.jpg') center/cover no-repeat}
.hero-bg::before,.hero-bg::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}
.hero-bg::before{width:520px;height:520px;top:-160px;right:-120px}
.hero-bg::after{width:420px;height:420px;bottom:-180px;left:-120px;background:rgba(255,255,255,.06)}
.hero-content{max-width:760px;padding:0 24px;color:#fff;animation:fadeUp .9s ease .1s both}
.hero h1{color:#fff;font-size:clamp(2rem,6vw,3.6rem);font-weight:700;margin-bottom:18px;text-shadow:0 2px 18px rgba(13,43,62,.45)}
.hero p{font-size:clamp(1rem,2.6vw,1.25rem);font-weight:300;color:#eafffb;max-width:600px;margin:0 auto 32px;text-shadow:0 1px 12px rgba(13,43,62,.45)}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-book{padding:15px 32px;font-size:1.05rem}
.scroll-cue{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);width:26px;height:42px;border:2px solid rgba(255,255,255,.6);border-radius:14px}
.scroll-cue span{position:absolute;top:8px;left:50%;width:4px;height:8px;background:#fff;border-radius:2px;transform:translateX(-50%);animation:scrollDot 1.5s infinite}
@keyframes scrollDot{0%{opacity:0;top:8px}40%{opacity:1}80%{opacity:0;top:22px}100%{opacity:0}}

/* ===================== SECTIONS ===================== */
.section{padding:clamp(60px,9vw,110px) clamp(20px,6vw,80px);max-width:1200px;margin:0 auto}
.section-head{text-align:center;margin-bottom:50px}
.eyebrow{display:inline-block;color:var(--teal-dark);font-weight:600;letter-spacing:3px;text-transform:uppercase;font-size:.8rem;margin-bottom:10px}
.section-head h2{font-size:clamp(1.6rem,4.5vw,2.6rem)}
.section-lead{color:var(--muted);margin-top:12px}

/* ABOUT */
.about .section-head{margin-bottom:28px}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.about-text h2{font-size:clamp(1.6rem,4.2vw,2.4rem);margin-bottom:20px}
.about-text p{color:var(--muted);margin-bottom:18px}
.stats{display:flex;margin-top:32px}
.stat{flex:1;text-align:center;padding:0 16px}
.stat+.stat{border-left:1px solid #d7e8e6}
.stat strong{display:block;font-size:2.2rem;color:var(--teal-dark);font-weight:700}
.stat span{font-size:.85rem;color:var(--muted)}
.dentist-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:0 0 28px;text-align:center;overflow:hidden}
.dentist-photo{width:100%;height:clamp(280px,32vw,380px);margin:0 0 22px;overflow:hidden;background:linear-gradient(135deg,#bff7ef,#0fb8a8)}
.dentist-photo img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.dentist-card h3{font-size:1.45rem;padding:0 28px}
.dentist-card .dentist-role,.dentist-card .dentist-bio{padding-left:28px;padding-right:28px}
.dentist-role{color:var(--teal-dark);font-weight:500;font-size:.9rem;margin-bottom:12px}
.dentist-bio{color:var(--muted);font-size:.92rem}

/* SERVICES */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px}
.service-card{background:var(--white);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;border:1px solid #eaf5f4}
.service-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(13,43,62,.16)}
.service-icon{margin-bottom:14px;color:var(--teal);line-height:0}
.service-icon svg{width:44px;height:44px}
.service-card h3{font-size:1.15rem;margin-bottom:8px}
.service-card p{color:var(--muted);font-size:.92rem}

/* BEFORE & AFTER */
.ba-slider{position:relative;max-width:760px;margin:0 auto;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);user-select:none;aspect-ratio:16/10;cursor:ew-resize;touch-action:none}
.ba-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba-before-wrap{position:absolute;inset:0;width:100%;overflow:hidden;clip-path:inset(0 50% 0 0)}
.ba-handle{position:absolute;top:0;bottom:0;left:50%;transform:translateX(-50%);z-index:3}
.ba-line{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;transform:translateX(-50%);box-shadow:0 0 8px rgba(0,0,0,.3)}
.ba-grip{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:#fff;box-shadow:0 4px 12px rgba(0,0,0,.25);display:flex;align-items:center;justify-content:center;gap:2px;color:var(--teal-dark);font-size:1.3rem;font-weight:700}
.ba-tag{position:absolute;bottom:14px;padding:5px 14px;border-radius:20px;font-size:.78rem;font-weight:600;color:#fff;backdrop-filter:blur(4px);background:rgba(13,43,62,.55)}
.ba-tag-before{left:14px}
.ba-tag-after{right:14px}
.ba-stage{display:flex;align-items:center;justify-content:center;gap:clamp(20px,4vw,44px);max-width:940px;margin:0 auto}
.ba-slider{flex:1 1 auto}
.ba-nav{flex-shrink:0;width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;background:var(--white);color:var(--teal-dark);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);transition:transform .2s,background .2s,color .2s}
.ba-nav:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}
.ba-dots{display:flex;justify-content:center;gap:10px;margin-top:24px}
.ba-dot{width:10px;height:10px;border-radius:50%;background:#cfe7e4;border:none;cursor:pointer;padding:0;transition:background .2s,transform .2s}
.ba-dot:hover{background:#9fd5cf}
.ba-dot.active{background:var(--teal);transform:scale(1.3)}
@media(max-width:600px){
  .ba-stage{gap:8px}
  .ba-nav{width:40px;height:40px;font-size:1.5rem}
}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:stretch}
.contact-info{display:flex;flex-direction:column;gap:22px}
.contact-item{display:flex;gap:14px;align-items:flex-start}
.ci-icon{font-size:1.4rem;flex-shrink:0}
.contact-item strong{display:block;color:var(--navy);font-size:.95rem}
.contact-item p{color:var(--muted);font-size:.92rem}
.contact-item a:hover{color:var(--teal-dark)}
.contact-info .book-btn{align-self:flex-start;margin-top:6px}
.chat-links{display:flex;gap:12px;margin-top:8px}
.chat-btn{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(13,43,62,.18);transition:transform .2s,box-shadow .2s}
.chat-btn svg{width:24px;height:24px;fill:#fff}
.chat-btn:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(13,43,62,.28)}
.chat-btn.wa{background:#25d366}
.chat-btn.vb{background:#7360f2}
.contact-map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:340px}
.contact-map iframe{width:100%;height:100%;min-height:340px;border:0}

/* FOOTER */
.footer{text-align:center;padding:30px;background:var(--navy);color:#cfe9e6;font-size:.88rem}

/* ===================== FLOATING BUTTON ===================== */
.book-fab{
  position:fixed;bottom:22px;right:22px;z-index:900;
  display:flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--teal),var(--teal-dark));
  color:#fff;border:none;cursor:pointer;
  padding:14px 22px;border-radius:40px;font-family:inherit;font-weight:600;
  box-shadow:0 10px 30px rgba(15,184,168,.5);
  animation:fabPulse 2.4s infinite;
}
.book-fab:hover{transform:translateY(-3px)}
.fab-icon{font-size:1.2rem}
@keyframes fabPulse{0%,100%{box-shadow:0 10px 30px rgba(15,184,168,.5)}50%{box-shadow:0 10px 30px rgba(15,184,168,.5),0 0 0 12px rgba(15,184,168,0)}}

/* ===================== MODAL ===================== */
.modal-overlay{
  position:fixed;inset:0;z-index:2000;
  background:rgba(13,43,62,.55);backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{
  background:var(--white);border-radius:24px;width:100%;max-width:520px;
  max-height:90vh;overflow-y:auto;padding:34px clamp(22px,4vw,40px);position:relative;
  transform:translateY(20px) scale(.97);transition:transform .3s;
}
.modal-overlay.open .modal{transform:none}
.modal-close{position:absolute;top:16px;right:18px;background:#eef6f5;border:none;width:36px;height:36px;border-radius:50%;font-size:1.4rem;line-height:1;cursor:pointer;color:var(--muted);transition:background .2s}
.modal-close:hover{background:#dcefed}
.modal h3{font-size:1.4rem;margin-bottom:22px;text-align:center}

.steps-bar{display:flex;justify-content:center;gap:10px;margin-bottom:26px}
.step-dot{width:30px;height:5px;border-radius:5px;background:#e0eeed;transition:background .3s}
.step-dot.active{background:var(--teal)}
.step-dot.done{background:var(--teal-dark)}

.type-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.type-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:18px 10px;border:2px solid #e6f2f1;border-radius:14px;background:#fbfffe;cursor:pointer;transition:border-color .2s,transform .2s,box-shadow .2s;text-align:center}
.type-card:hover{border-color:var(--teal);transform:translateY(-3px);box-shadow:0 10px 22px rgba(15,184,168,.18)}
.type-card .t-icon{color:var(--teal);line-height:0}
.type-card .t-icon svg{width:30px;height:30px}
.type-card .t-name{font-weight:600;font-size:.92rem;color:var(--navy)}
.type-card .t-dur{font-size:.78rem;color:var(--muted)}

/* CALENDAR */
.calendar{background:#fbfffe;border:1px solid #e6f2f1;border-radius:16px;padding:16px}
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.cal-head span{font-weight:600;color:var(--navy)}
.cal-nav{background:#eef6f5;border:none;width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:1.1rem;color:var(--teal-dark);transition:background .2s}
.cal-nav:hover{background:#d8efec}
.cal-weekdays,.cal-days{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-weekdays{margin-bottom:6px}
.cal-weekdays span{text-align:center;font-size:.72rem;color:var(--muted);font-weight:600}
.cal-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:.9rem;cursor:pointer;border:1px solid transparent;transition:background .15s,color .15s}
.cal-day.empty{cursor:default}
.cal-day.disabled{color:#c4d4d2;cursor:not-allowed}
.cal-day.avail:hover{background:#dff5f2}
.cal-day.selected{background:var(--teal);color:#fff;font-weight:600}
.cal-day.today{border-color:var(--teal)}

.times{margin-top:20px}
.times h4{font-size:1rem;margin-bottom:12px;color:var(--navy)}
.times-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(78px,1fr));gap:10px}
.time-slot{padding:10px;border:1px solid #e6f2f1;border-radius:10px;background:#fbfffe;cursor:pointer;text-align:center;font-size:.9rem;font-weight:500;transition:border-color .15s,background .15s}
.time-slot:hover{border-color:var(--teal);background:#eafbf9}
.time-slot.selected{background:var(--teal);color:#fff;border-color:var(--teal)}
.no-slots{grid-column:1/-1;color:var(--muted);font-size:.92rem;text-align:center;padding:8px 0}
.loading-slots{grid-column:1/-1;text-align:center;color:var(--teal-dark);font-size:1.4rem;letter-spacing:3px;animation:pulseDots 1s infinite}
@keyframes pulseDots{0%,100%{opacity:.3}50%{opacity:1}}

/* FORM */
#patientForm{display:flex;flex-direction:column;gap:16px}
#patientForm label{display:flex;flex-direction:column;gap:6px;font-size:.88rem;font-weight:500;color:var(--navy)}
#patientForm input,#patientForm select,#patientForm textarea{font-family:inherit;font-size:.95rem;padding:11px 14px;border:1px solid #d9e8e6;border-radius:10px;background:#fbfffe;resize:vertical;transition:border-color .2s,box-shadow .2s}
#patientForm input:focus,#patientForm select:focus,#patientForm textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(15,184,168,.15)}
.phone-row{display:flex;gap:8px}
.phone-row .phone-prefix{flex:0 0 auto;width:auto;max-width:46%;padding-right:8px;cursor:pointer}
.phone-row input{flex:1 1 auto;min-width:0}
#patientForm input:invalid:not(:placeholder-shown){border-color:#e88}

.step-actions{display:flex;justify-content:space-between;gap:12px;margin-top:8px}
.btn-back{background:#eef6f5;border:none;cursor:pointer;color:var(--muted);font-family:inherit;font-weight:600;padding:12px 22px;border-radius:30px;transition:background .2s}
.btn-back:hover{background:#dcefed}

.step-done{text-align:center}
.check-circle{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--teal-dark));color:#fff;font-size:2.4rem;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;animation:popCheck .5s cubic-bezier(.2,.9,.3,1.3) both}
@keyframes popCheck{from{transform:scale(0)}to{transform:scale(1)}}
.done-summary{font-weight:600;color:var(--navy);margin-bottom:8px}
.done-note{color:var(--muted);font-size:.92rem;margin-bottom:24px}

/* ===================== RESPONSIVE ===================== */
@media(max-width:860px){
  .nav{position:fixed;top:0;right:-100%;height:100vh;width:70%;max-width:300px;background:#fff;flex-direction:column;justify-content:center;padding:40px;gap:26px;box-shadow:-10px 0 40px rgba(0,0,0,.15);transition:right .35s}
  .nav.open{right:0}
  .nav a{color:var(--ink);font-size:1.1rem}
  .menu-toggle{display:flex;z-index:1100}
  .header-book{display:none}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .type-grid{grid-template-columns:1fr}
  .book-fab span:not(.fab-icon){display:none}
  .book-fab{padding:16px;border-radius:50%}
}
@media(max-width:480px){
  .lang-btn{width:26px;height:18px}
  .hero-actions{flex-direction:column}
}