/* ===================================================
   MAYA VILLEGAS v4 — styles.css
   Theme: Clinical Precision · Light · Editorial
   Inspired by: Ivoclar precision + VITA authority
   Fonts: Cormorant Garamond + Outfit
   =================================================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  /* Core palette — clinical ivory/white */
  --bg:      #f9f7f4;
  --bg2:     #f2efea;
  --bg3:     #eae6df;
  --white:   #ffffff;
  --ink:     #1a1914;
  --ink2:    #2e2c27;
  --ink3:    #4a4840;
  --muted:   #7a786e;
  --muted2:  #a8a69e;
  --line:    rgba(26,25,20,.1);
  --line2:   rgba(26,25,20,.06);

  /* Brand accents */
  --gold:    #b8892c;
  --gold2:   #d4a84e;
  --gold3:   #edd98a;
  --goldpale:rgba(184,137,44,.08);
  --goldbdr: rgba(184,137,44,.22);

  --teal:    #1d8a75;
  --teal2:   #25b094;
  --tealbdr: rgba(29,138,117,.2);
  --tealpale:rgba(29,138,117,.07);

  --red:     #c0392b;

  /* Radius */
  --r:  8px;
  --rl: 14px;
  --rx: 22px;

  /* Type */
  --fd:'Cormorant Garamond',Georgia,serif;
  --fb:'Outfit',system-ui,sans-serif;

  /* Motion */
  --ease:cubic-bezier(.4,0,.2,1);
  --spring:cubic-bezier(.34,1.56,.64,1);
}

html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--fb);background:var(--bg);color:var(--ink);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
::selection{background:var(--gold);color:var(--white)}

/* ── REVEAL ── */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
[data-reveal].visible{opacity:1;transform:none}

/* ── SHARED TYPOGRAPHY ── */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--fb);font-size:10px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.eyebrow::before{content:'';width:24px;height:.5px;background:var(--gold);flex-shrink:0}
.section-title{font-family:var(--fd);font-size:clamp(38px,4vw,58px);font-weight:500;line-height:1.08;letter-spacing:-.02em;color:var(--ink);margin-bottom:18px}
.section-sub{font-size:15px;color:var(--muted);max-width:520px;line-height:1.8}
.container{max-width:1220px;margin:0 auto;padding:0 48px}

/* ── BUTTONS ── */
.btn-primary{display:inline-flex;align-items:center;gap:8px;font-family:var(--fb);font-size:13px;font-weight:500;letter-spacing:.05em;padding:14px 30px;background:var(--ink);color:var(--white);border-radius:var(--r);border:none;cursor:pointer;transition:all .22s var(--ease)}
.btn-primary:hover{background:var(--ink2);transform:translateY(-2px);box-shadow:0 8px 28px rgba(26,25,20,.18)}
.btn-primary:active{transform:none}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;font-family:var(--fb);font-size:13px;font-weight:400;letter-spacing:.05em;padding:13px 26px;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:var(--r);cursor:pointer;transition:all .22s}
.btn-secondary:hover{background:var(--bg2);border-color:rgba(26,25,20,.2);transform:translateY(-1px)}
.btn-gold{display:inline-flex;align-items:center;gap:8px;font-family:var(--fb);font-size:13px;font-weight:500;letter-spacing:.05em;padding:14px 30px;background:var(--gold);color:var(--white);border-radius:var(--r);border:none;cursor:pointer;transition:all .22s var(--spring)}
.btn-gold:hover{background:var(--gold2);transform:translateY(-2px);box-shadow:0 8px 28px rgba(184,137,44,.28)}

/* ═══════════════════════════════════════
   NAV
══════════════════════════════════════ */
.nav{position:fixed;top:0;left:0;right:0;z-index:900;transition:all .35s var(--ease)}
.nav.scrolled{background:rgba(249,247,244,.94);backdrop-filter:blur(20px);border-bottom:1px solid var(--line2);box-shadow:0 1px 20px rgba(26,25,20,.06)}
.nav-inner{max-width:1220px;margin:0 auto;padding:0 48px;height:72px;display:flex;align-items:center;gap:40px}
.nav-logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-logomark{width:36px;height:36px;border-radius:7px;background:var(--ink);color:var(--white);display:flex;align-items:center;justify-content:center;font-family:var(--fd);font-size:20px;font-weight:600;letter-spacing:-.02em;flex-shrink:0}
.nav-logotype{display:flex;flex-direction:column;gap:1px}
.nav-logotype-name{font-family:var(--fd);font-size:17px;font-weight:500;color:var(--ink);letter-spacing:.01em;line-height:1}
.nav-logotype-sub{font-size:9px;letter-spacing:.15em;text-transform:uppercase;color:var(--gold)}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{font-size:13px;color:var(--muted);letter-spacing:.02em;transition:color .18s;position:relative}
.nav-link::after{content:'';position:absolute;bottom:-3px;left:0;width:0;height:.5px;background:var(--gold);transition:width .22s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-lang{display:flex;align-items:center;gap:2px;margin-left:4px;padding:3px 4px;border:1px solid var(--line);border-radius:30px}
.lang-btn{font-family:var(--fb);font-size:10px;font-weight:500;letter-spacing:.08em;padding:4px 10px;border-radius:20px;cursor:pointer;transition:all .18s;color:var(--muted)}
.lang-btn.active{background:var(--ink);color:var(--white)}
.lang-btn:hover:not(.active){color:var(--ink)}
.nav-cta{flex-shrink:0}
.nav-ham{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;margin-left:auto}
.nav-ham span{display:block;width:22px;height:1.5px;background:var(--ink);border-radius:2px;transition:all .3s}

/* ═══════════════════════════════════════
   HERO — Clinical White Studio
══════════════════════════════════════ */
.hero{min-height:100vh;display:flex;align-items:center;padding:90px 0 60px;background:var(--white);position:relative;overflow:hidden}
/* Subtle grain texture */
.hero::before{content:'';position:absolute;inset:0;opacity:.018;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");background-size:200px 200px;pointer-events:none;z-index:0}
/* Right panel background */
.hero-right-bg{position:absolute;right:0;top:0;bottom:0;width:52%;background:var(--bg);z-index:0;clip-path:polygon(6% 0%,100% 0%,100% 100%,0% 100%)}
.hero-inner{max-width:1220px;margin:0 auto;padding:0 48px;display:grid;grid-template-columns:48fr 52fr;align-items:center;gap:0;position:relative;z-index:1;width:100%}

/* Hero Left */
.hero-left{padding-right:60px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:10px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);background:var(--tealpale);border:1px solid var(--tealbdr);border-radius:30px;padding:6px 16px;margin-bottom:28px}
.tag-dot{width:5px;height:5px;border-radius:50%;background:var(--teal);animation:tdot 2.5s ease-in-out infinite}
@keyframes tdot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.6)}}
.hero-title{font-family:var(--fd);font-size:clamp(52px,6vw,80px);font-weight:500;line-height:1.02;letter-spacing:-.025em;color:var(--ink);margin-bottom:24px}
.hero-title em{font-style:italic;color:var(--gold)}
.hero-desc{font-size:16px;line-height:1.8;color:var(--muted);max-width:460px;margin-bottom:32px}
/* Certification badges — real visual badges */
.cert-badges{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.cert-badge{display:flex;align-items:center;gap:7px;padding:8px 14px;border:1px solid var(--line);border-radius:var(--r);background:var(--white);transition:border-color .2s,box-shadow .2s}
.cert-badge:hover{border-color:var(--gold);box-shadow:0 2px 12px rgba(184,137,44,.12)}
.cert-badge-icon{width:20px;height:20px;border-radius:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cert-badge-icon.iso{background:#003580;color:#fff;font-size:6px;font-weight:700;letter-spacing:.02em;line-height:1.1;text-align:center}
.cert-badge-icon.fda{background:#ce1126;color:#fff;font-size:7px;font-weight:700;letter-spacing:.01em}
.cert-badge-icon.vita{background:#1a6b3c;color:#fff;font-size:7px;font-weight:700}
.cert-badge-label{font-size:11px;font-weight:500;color:var(--ink);letter-spacing:.04em}
.cert-badge-sub{font-size:10px;color:var(--muted);display:block;margin-top:1px}

.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:flex;align-items:center;gap:28px;padding-top:36px;border-top:1px solid var(--line2)}
.hstat-num{display:block;font-family:var(--fd);font-size:44px;font-weight:500;color:var(--ink);line-height:1;margin-bottom:4px}
.hstat-lbl{font-size:11px;color:var(--muted);letter-spacing:.06em}
.hstat-div{width:1px;height:44px;background:var(--line);flex-shrink:0}

/* Hero Right — Tooth */
.hero-right{display:flex;align-items:center;justify-content:center;padding:40px 0}
.tooth-stage{position:relative;width:480px;height:540px;display:flex;align-items:center;justify-content:center}
.tooth-halo{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.tooth-shadow{width:180px;height:24px;border-radius:50%;background:rgba(26,25,20,.1);position:absolute;bottom:50px;filter:blur(12px);animation:shadowAnim 7s ease-in-out infinite}
@keyframes shadowAnim{0%,100%{transform:scaleX(1);opacity:.1}50%{transform:scaleX(.85);opacity:.07}}
/* Precision grid lines behind tooth */
.tooth-grid{position:absolute;inset:40px;background-image:linear-gradient(var(--line2) .5px,transparent .5px),linear-gradient(90deg,var(--line2) .5px,transparent .5px);background-size:40px 40px;opacity:.4}
/* Measurement arcs */
.arc{position:absolute;border-radius:50%;border:1px dashed rgba(184,137,44,.18);pointer-events:none}
.arc-1{width:360px;height:360px;top:50%;left:50%;transform:translate(-50%,-50%)}
.arc-2{width:260px;height:260px;top:50%;left:50%;transform:translate(-50%,-50%);border-color:rgba(184,137,44,.1)}

.tooth-container{position:relative;z-index:2;animation:tf 7s ease-in-out infinite;filter:drop-shadow(0 20px 50px rgba(26,25,20,.12)) drop-shadow(0 4px 16px rgba(26,25,20,.06))}
@keyframes tf{0%,100%{transform:translateY(0) rotate(-1.5deg)}40%{transform:translateY(-18px) rotate(1deg)}70%{transform:translateY(-8px) rotate(-.5deg)}}
.tooth-wrap{width:280px;height:316px}
.tooth-wrap svg{width:100%;height:100%;overflow:visible}

/* Hotspots — clinical style */
.hs{position:absolute;display:flex;align-items:center;gap:8px;z-index:3;cursor:pointer}
.hs-dot{width:10px;height:10px;border-radius:50%;background:var(--white);border:2px solid var(--gold);flex-shrink:0;transition:transform .22s var(--spring);box-shadow:0 0 0 3px rgba(184,137,44,.15)}
.hs:hover .hs-dot{transform:scale(1.5);background:var(--gold)}
.hs-line{width:28px;height:.5px;background:var(--gold);flex-shrink:0;opacity:.6}
.hs-label{font-size:10px;font-weight:500;letter-spacing:.07em;color:var(--ink2);background:var(--white);border:1px solid var(--line);border-radius:4px;padding:5px 10px;white-space:nowrap;box-shadow:0 2px 12px rgba(26,25,20,.08);opacity:0;transform:translateX(-6px);transition:opacity .22s,transform .22s}
.hs:hover .hs-label{opacity:1;transform:none}
.hs.hs-l{flex-direction:row-reverse}
.hs.hs-l .hs-label{transform:translateX(6px)}
.hs.hs-l:hover .hs-label{transform:none}
.hs-1{top:8%;right:2%;animation:fhs .6s .15s both}
.hs-2{top:32%;right:-2%;animation:fhs .6s .32s both}
.hs-3{bottom:28%;right:0%;animation:fhs .6s .48s both}
.hs-4{top:15%;left:-2%;animation:fhs .6s .64s both}
.hs-5{bottom:22%;left:0%;animation:fhs .6s .80s both}
@keyframes fhs{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tooth-caption{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted2);white-space:nowrap}

.hero-scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:1;display:flex;flex-direction:column;align-items:center;gap:6px;opacity:.5}
.scroll-track{width:1px;height:44px;background:linear-gradient(to bottom,transparent,var(--gold));animation:strack 2s ease-in-out infinite}
@keyframes strack{0%,100%{transform:scaleY(.8);opacity:.4}50%{transform:scaleY(1.1);opacity:1}}
.hero-scroll span{font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* ═══════════════════════════════════════
   TRUST STRIP
══════════════════════════════════════ */
.trust{background:var(--ink);padding:28px 0}
.trust-inner{display:flex;align-items:center;justify-content:space-around;gap:16px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:12px}
.trust-icon{width:38px;height:38px;border-radius:var(--r);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.trust-icon svg{width:17px;height:17px;color:var(--gold2)}
.trust-item strong{display:block;font-size:12px;font-weight:500;color:var(--white)}
.trust-item span{font-size:11px;color:rgba(255,255,255,.45)}

/* ═══════════════════════════════════════
   PRODUCTS
══════════════════════════════════════ */
.products{padding:112px 0;background:var(--bg)}
.section-intro{margin-bottom:72px}
.section-intro.center{text-align:center}
.section-intro.center .section-sub{margin:0 auto}
.prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line2);border:1px solid var(--line2);border-radius:var(--rl);overflow:hidden;box-shadow:0 2px 40px rgba(26,25,20,.06)}

.prod-panel{background:var(--white);padding:52px 48px;position:relative}
.prod-panel::after{content:'';position:absolute;bottom:0;left:48px;right:48px;height:2px;background:linear-gradient(90deg,var(--gold),transparent);opacity:0;transition:opacity .3s}
.prod-panel:hover::after{opacity:.6}

.prod-tag{display:inline-flex;align-items:center;gap:6px;font-size:9px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;padding:5px 12px;border-radius:30px;margin-bottom:24px}
.prod-tag.premium{color:var(--gold);background:var(--goldpale);border:1px solid var(--goldbdr)}
.prod-tag.perf{color:var(--teal);background:var(--tealpale);border:1px solid var(--tealbdr)}
.prod-name{font-family:var(--fd);font-size:64px;font-weight:500;letter-spacing:-.04em;color:var(--ink);line-height:1;margin-bottom:8px}
.prod-tagline{font-size:13px;color:var(--gold);letter-spacing:.04em;margin-bottom:20px;font-weight:500}
.prod-desc{font-size:14px;line-height:1.78;color:var(--muted);margin-bottom:32px;max-width:420px}

/* Tech specs table */
.prod-specs{width:100%;border-collapse:collapse;margin-bottom:32px;font-size:12px}
.prod-specs thead th{text-align:left;padding:8px 12px;background:var(--bg);font-size:9px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line)}
.prod-specs tbody td{padding:10px 12px;border-bottom:1px solid var(--line2);color:var(--ink2)}
.prod-specs tbody td:first-child{color:var(--muted);font-size:11px}
.prod-specs tbody td:last-child{font-weight:500}
.prod-specs tbody tr:last-child td{border-bottom:none}
.spec-val{display:flex;align-items:center;gap:8px}
.spec-bar{flex:1;height:3px;background:var(--bg3);border-radius:2px;overflow:hidden;max-width:80px}
.spec-bar-fill{height:100%;border-radius:2px;background:var(--gold);transition:width .8s var(--ease)}

/* VITA shade guide */
.shade-section{margin-bottom:36px}
.shade-title{font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.shade-title::after{content:'';flex:1;height:.5px;background:var(--line)}
.vita-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.vita-family{display:contents}
.vita-chip{position:relative;height:32px;border-radius:5px;border:1px solid rgba(26,25,20,.08);cursor:pointer;transition:transform .15s var(--spring),box-shadow .15s;overflow:hidden}
.vita-chip:hover{transform:scaleY(1.3) translateY(-4px);box-shadow:0 6px 18px rgba(26,25,20,.15);z-index:2;border-radius:5px 5px 0 0}
.vita-chip::after{content:attr(data-name);position:absolute;top:100%;left:50%;transform:translateX(-50%);font-size:9px;font-weight:600;letter-spacing:.06em;white-space:nowrap;background:var(--ink);color:var(--white);padding:3px 7px;border-radius:0 0 4px 4px;opacity:0;transition:opacity .12s;pointer-events:none}
.vita-chip:hover::after{opacity:1}

.prod-cta-row{display:flex;gap:12px;align-items:center}

/* ═══════════════════════════════════════
   SHADE GUIDE — Full interactive section
══════════════════════════════════════ */
.shade-guide{padding:100px 0;background:var(--white)}
.sg-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.sg-intro{padding-right:20px}
.sg-intro .section-sub{margin-bottom:32px}
.sg-families{display:flex;flex-direction:column;gap:24px}
.sg-family{display:flex;gap:12px;align-items:flex-start}
.sg-family-lbl{font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);width:24px;flex-shrink:0;padding-top:8px}
.sg-chips{display:flex;gap:6px;flex-wrap:wrap}
.sg-chip{width:44px;height:44px;border-radius:var(--r);border:1px solid rgba(26,25,20,.08);cursor:pointer;position:relative;transition:transform .15s var(--spring),box-shadow .15s,border-color .15s}
.sg-chip:hover{transform:scale(1.18) translateY(-3px);box-shadow:0 8px 24px rgba(26,25,20,.14);border-color:rgba(26,25,20,.18);z-index:2}
.sg-chip.active{border:2px solid var(--ink);transform:scale(1.1)}
.sg-chip::before{content:attr(data-shade);position:absolute;bottom:-22px;left:50%;transform:translateX(-50%);font-size:9px;font-weight:500;color:var(--ink);opacity:0;transition:opacity .15s;white-space:nowrap}
.sg-chip:hover::before,.sg-chip.active::before{opacity:1}
/* Preview panel */
.sg-preview{background:var(--bg);border:1px solid var(--line);border-radius:var(--rl);padding:32px;display:flex;flex-direction:column;align-items:center;gap:20px}
.sg-swatch{width:120px;height:120px;border-radius:50%;border:2px solid rgba(26,25,20,.08);transition:background .3s,box-shadow .3s;box-shadow:0 8px 32px rgba(26,25,20,.12)}
.sg-shade-name{font-family:var(--fd);font-size:36px;font-weight:500;color:var(--ink);letter-spacing:-.02em}
.sg-shade-desc{font-size:13px;color:var(--muted);text-align:center;max-width:240px;line-height:1.65}
.sg-avail{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.sg-avail-pill{font-size:10px;font-weight:500;padding:4px 10px;border-radius:30px;background:var(--bg2);color:var(--muted);border:1px solid var(--line)}
.sg-avail-pill.yes{background:var(--tealpale);color:var(--teal);border-color:var(--tealbdr)}

/* ═══════════════════════════════════════
   SERVICES
══════════════════════════════════════ */
.services{padding:112px 0;background:var(--bg2)}
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.svc-steps{display:flex;flex-direction:column;gap:0}
.svc-step{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid var(--line2);position:relative}
.svc-step:last-child{border-bottom:none}
.svc-step-num{font-family:var(--fd);font-size:13px;font-weight:500;color:var(--muted2);flex-shrink:0;width:28px;padding-top:3px;letter-spacing:.04em}
.svc-step-content strong{display:block;font-size:14px;font-weight:500;color:var(--ink);margin-bottom:6px;letter-spacing:.01em}
.svc-step-content p{font-size:13px;color:var(--muted);line-height:1.68}
.svc-step::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--line2);border-radius:2px}
.svc-step:hover::before{background:var(--gold);transition:background .3s}

.svc-process{background:var(--white);border:1px solid var(--line);border-radius:var(--rl);overflow:hidden}
.svc-process-header{padding:28px 32px;background:var(--ink);display:flex;align-items:center;gap:12px}
.svc-process-header h3{font-family:var(--fd);font-size:22px;font-weight:500;color:var(--white);letter-spacing:-.01em}
.svc-process-header span{font-size:11px;color:rgba(255,255,255,.4);letter-spacing:.06em}
.svc-process-steps{display:flex;flex-direction:column}
.ps{display:flex;align-items:center;gap:16px;padding:18px 32px;border-bottom:1px solid var(--line2);transition:background .2s}
.ps:last-child{border-bottom:none}
.ps:hover{background:var(--bg)}
.ps-num{width:28px;height:28px;border-radius:50%;background:var(--bg);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:var(--muted);flex-shrink:0;font-family:var(--fb)}
.ps:hover .ps-num{background:var(--gold);border-color:var(--gold);color:var(--white)}
.ps-ico{width:36px;height:36px;border-radius:var(--r);background:var(--bg);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s}
.ps:hover .ps-ico{background:var(--goldpale)}
.ps-ico svg{width:17px;height:17px;color:var(--muted);transition:color .2s}
.ps:hover .ps-ico svg{color:var(--gold)}
.ps strong{display:block;font-size:13px;font-weight:500;color:var(--ink);margin-bottom:2px}
.ps span{font-size:11px;color:var(--muted)}

/* ═══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
.about{padding:112px 0;background:var(--white)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}
.about-text{font-size:14px;color:var(--muted);line-height:1.88;margin-bottom:20px}
.about-certs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:36px}
.about-cert{border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;display:flex;align-items:center;gap:12px;transition:border-color .22s,box-shadow .22s}
.about-cert:hover{border-color:var(--goldbdr);box-shadow:0 2px 16px rgba(184,137,44,.1)}
.about-cert-icon{width:36px;height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;letter-spacing:.02em;text-align:center;flex-shrink:0;line-height:1.2}
.about-cert-icon.iso{background:#003580;color:#fff}
.about-cert-icon.fda{background:#ce1126;color:#fff}
.about-cert-icon.vita{background:#1a6b3c;color:#fff}
.about-cert-icon.exp{background:var(--ink);color:#fff;font-size:14px}
.about-cert strong{display:block;font-size:12px;font-weight:600;color:var(--ink);letter-spacing:.03em}
.about-cert span{font-size:11px;color:var(--muted)}
.nums-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.num-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--rl);padding:32px 24px;position:relative;overflow:hidden;transition:all .25s}
.num-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--gold),transparent);opacity:0;transition:opacity .25s}
.num-card:hover{border-color:var(--goldbdr);transform:translateY(-3px);box-shadow:0 8px 32px rgba(26,25,20,.07)}
.num-card:hover::after{opacity:.8}
.nc-n{font-family:var(--fd);font-size:64px;font-weight:500;color:var(--ink);line-height:1;display:inline}
.nc-p{font-family:var(--fd);font-size:38px;color:var(--gold);opacity:.7}
.nc-l{display:block;font-size:12px;color:var(--muted);margin-top:10px;letter-spacing:.05em}

/* ═══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
.contact{padding:112px 0;background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:flex-start}
.contact-desc{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:36px;max-width:400px}
.c-info{display:flex;flex-direction:column;gap:18px;margin-bottom:36px}
.c-item{display:flex;align-items:flex-start;gap:14px}
.c-item-ico{width:36px;height:36px;border-radius:var(--r);background:var(--white);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.c-item-ico svg{width:16px;height:16px;color:var(--gold)}
.c-item strong{display:block;font-size:12px;font-weight:600;color:var(--ink);margin-bottom:3px;letter-spacing:.04em;text-transform:uppercase}
.c-item span{font-size:13px;color:var(--muted);line-height:1.6}
.socials{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.soc{width:40px;height:40px;border-radius:var(--r);background:var(--white);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);transition:all .2s;cursor:pointer}
.soc svg{width:16px;height:16px}
.soc:hover{background:var(--ink);border-color:var(--ink);color:var(--white);transform:translateY(-2px)}
.soc-wa{width:auto;padding:0 16px;gap:8px;font-size:12px;font-weight:500;background:#25d366;border-color:#25d366;color:var(--white)}
.soc-wa:hover{background:#1ea952;border-color:#1ea952;color:var(--white)}

/* Form */
.c-form{background:var(--white);border:1px solid var(--line);border-radius:var(--rl);padding:40px;box-shadow:0 2px 32px rgba(26,25,20,.05)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fg{display:flex;flex-direction:column;gap:7px}
.fg label{font-size:10px;font-weight:600;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.fg input,.fg select,.fg textarea{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;font-family:var(--fb);font-size:13px;color:var(--ink);outline:none;transition:border-color .2s,background .2s;-webkit-appearance:none}
.fg input::placeholder,.fg textarea::placeholder{color:var(--muted2)}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--gold);background:var(--white);box-shadow:0 0 0 3px rgba(184,137,44,.08)}
.fg select{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%237a786e' stroke-width='1.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.fg select option{background:var(--white);color:var(--ink)}
.fg textarea{resize:vertical;min-height:110px}
.btn-submit-full{width:100%;padding:16px;margin-top:6px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:14px;font-weight:500;letter-spacing:.04em}
.sa{transition:transform .2s}
.btn-submit-full:hover .sa{transform:translateX(4px)}
.form-ok{display:none;align-items:center;gap:10px;padding:14px 16px;background:var(--tealpale);border:1px solid var(--tealbdr);border-radius:var(--r);font-size:13px;color:var(--teal);margin-top:12px}
.form-ok svg{width:18px;height:18px;flex-shrink:0}
.form-ok.show{display:flex}

/* ═══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.footer{background:var(--ink);padding:80px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:56px;padding-bottom:64px;border-bottom:1px solid rgba(255,255,255,.08)}
.f-brand{}
.f-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.f-logomark{width:36px;height:36px;border-radius:7px;background:var(--white);color:var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--fd);font-size:20px;font-weight:600}
.f-logotype span{display:block;font-family:var(--fd);font-size:17px;font-weight:500;color:var(--white)}
.f-logotype small{font-size:9px;letter-spacing:.15em;text-transform:uppercase;color:rgba(255,255,255,.35)}
.f-desc{font-size:13px;color:rgba(255,255,255,.4);line-height:1.75;max-width:270px}
.f-col h4{font-size:9px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.3);margin-bottom:20px}
.f-col a,.f-col span{display:block;font-size:13px;color:rgba(255,255,255,.5);margin-bottom:11px;transition:color .2s}
.f-col a:hover{color:var(--white)}
.f-wa{display:inline-flex !important;align-items:center;gap:6px;color:#4ade80 !important;font-weight:500;margin-top:4px}
.f-bottom{display:flex;align-items:center;justify-content:space-between;padding:24px 0;flex-wrap:wrap;gap:12px}
.f-bottom>span{font-size:12px;color:rgba(255,255,255,.28)}
.f-certs{display:flex;gap:8px;flex-wrap:wrap}
.f-cert{font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.28);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);padding:4px 10px;border-radius:20px}

/* ═══════════════════════════════════════
   CHATBOT
══════════════════════════════════════ */
.chat-fab{position:fixed;bottom:28px;right:28px;z-index:800;display:flex;align-items:center;gap:9px;background:var(--ink);color:var(--white);border:none;border-radius:30px;padding:13px 20px 13px 16px;font-family:var(--fb);font-size:13px;font-weight:500;cursor:pointer;box-shadow:0 8px 32px rgba(26,25,20,.22);transition:all .25s var(--spring);letter-spacing:.02em}
.chat-fab:hover{background:var(--ink2);transform:translateY(-3px);box-shadow:0 14px 44px rgba(26,25,20,.28)}
.chat-fab svg{width:16px;height:16px}
.fab-online{position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;background:var(--teal2);border:2.5px solid var(--bg);animation:tdot 2s infinite}
.chat-panel{position:fixed;bottom:86px;right:28px;z-index:800;width:368px;background:var(--white);border:1px solid var(--line);border-radius:var(--rl);overflow:hidden;box-shadow:0 24px 80px rgba(26,25,20,.16);display:none;flex-direction:column}
.chat-panel.open{display:flex;animation:cpop .25s var(--ease) both}
@keyframes cpop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.chat-head{display:flex;align-items:center;gap:12px;padding:16px 18px;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.06);flex-shrink:0}
.chat-av{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--teal2));display:flex;align-items:center;justify-content:center;flex-shrink:0}
.chat-av svg{width:18px;height:18px;color:var(--white)}
.chat-info strong{display:block;font-size:13px;font-weight:500;color:var(--white)}
.chat-info span{display:flex;align-items:center;gap:5px;font-size:11px;color:rgba(255,255,255,.45)}
.online-pill{width:6px;height:6px;border-radius:50%;background:var(--teal2);animation:tdot 2s infinite}
.chat-close{margin-left:auto;background:none;border:none;color:rgba(255,255,255,.4);cursor:pointer;padding:4px;display:flex;border-radius:var(--r);transition:color .2s}
.chat-close:hover{color:var(--white)}
.chat-close svg{width:15px;height:15px}
.chat-msgs{flex:1;max-height:300px;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;scrollbar-width:thin;scrollbar-color:var(--bg3) transparent}
.chat-msgs::-webkit-scrollbar{width:3px}
.chat-msgs::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:2px}
.cmsg{display:flex;max-width:88%}
.cmsg.bot{align-self:flex-start}
.cmsg.usr{align-self:flex-end}
.cbubble{padding:11px 14px;font-size:13px;line-height:1.62}
.cmsg.bot .cbubble{background:var(--bg);border:1px solid var(--line);border-radius:4px 14px 14px 14px;color:var(--ink)}
.cmsg.bot .cbubble strong{color:var(--gold);font-weight:500}
.cmsg.usr .cbubble{background:var(--ink);color:var(--white);border-radius:14px 4px 14px 14px;font-weight:400}
.typing-dots{display:flex;gap:4px;padding:4px 2px;align-items:center}
.typing-dots span{width:6px;height:6px;border-radius:50%;background:var(--muted2);animation:td .8s ease-in-out infinite}
.typing-dots span:nth-child(2){animation-delay:.15s}
.typing-dots span:nth-child(3){animation-delay:.3s}
@keyframes td{0%,80%,100%{transform:scale(.65);opacity:.35}40%{transform:scale(1);opacity:1}}
.chat-sugs{padding:0 12px 12px;display:flex;flex-direction:column;gap:6px}
.chat-sugs button{background:transparent;border:1px solid var(--line);color:var(--muted);font-family:var(--fb);font-size:12px;padding:9px 13px;border-radius:var(--r);cursor:pointer;text-align:left;transition:all .18s;letter-spacing:.02em}
.chat-sugs button:hover{border-color:var(--gold);color:var(--gold);background:var(--goldpale);transform:translateX(2px)}
.chat-bar{padding:12px 14px;border-top:1px solid var(--line);display:flex;gap:8px;align-items:center;flex-shrink:0}
.chat-bar input{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:10px 13px;font-family:var(--fb);font-size:12px;color:var(--ink);outline:none;transition:border-color .2s}
.chat-bar input::placeholder{color:var(--muted2)}
.chat-bar input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(184,137,44,.08)}
.chat-bar button{width:36px;height:36px;border-radius:var(--r);background:var(--ink);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s}
.chat-bar button:hover{background:var(--gold);transform:scale(1.06)}
.chat-bar button svg{width:13px;height:13px;color:var(--white)}

/* ═══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media(max-width:1100px){
  .hero-inner{grid-template-columns:1fr 1fr;gap:20px}
  .hero-left{padding-right:32px}
  .tooth-stage{width:420px;height:480px}
  .svc-grid,.about-grid,.contact-grid{gap:56px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:40px}
  .f-brand{grid-column:1/-1}
}
@media(max-width:900px){
  .container{padding:0 24px}
  .nav-inner{padding:0 24px}
  .nav-links{display:none}
  .nav-ham{display:flex;margin-left:auto}
  .nav-cta{display:none}
  .nav-links.open{display:flex;flex-direction:column;gap:20px;position:fixed;top:72px;left:0;right:0;background:rgba(249,247,244,.97);backdrop-filter:blur(20px);padding:28px 24px;border-bottom:1px solid var(--line);z-index:899}
  .hero-inner{grid-template-columns:1fr}
  .hero-right-bg{display:none}
  .hero-right{order:-1}
  .hero-left{padding-right:0}
  .tooth-stage{width:300px;height:340px}
  .tooth-wrap{width:200px;height:226px}
  .hero-title{font-size:52px}
  .prod-grid{grid-template-columns:1fr}
  .sg-grid,.svc-grid,.about-grid,.contact-grid{grid-template-columns:1fr;gap:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .chat-panel{width:calc(100vw - 32px);right:16px}
  .chat-fab{right:16px;bottom:16px}
}
@media(max-width:600px){
  .hero-title{font-size:42px}
  .hero-stats{gap:18px}
  .hstat-num{font-size:36px}
  .nums-grid{grid-template-columns:1fr 1fr}
  .prod-panel{padding:36px 28px}
  .about-certs{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .c-form{padding:28px 22px}
  .vita-grid{grid-template-columns:repeat(4,1fr)}
}