/* =============================================================
   Naples Spine & Joint — Design System "Clinical Confidence"
   Tokens · reset · type · header/nav · footer · buttons · forms
   ============================================================= */

/* ---------- Tokens ---------- */
:root{
  /* color */
  --base:#f4f8fb;
  --surface:#ffffff;
  --surface-2:#eef4f8;
  --ink:#0b2e3a;
  --ink-soft:#284e5b;
  --muted:#5a7682;
  --brand:#0099cc;
  --brand-deep:#0e7fa6;
  --brand-bright:#2bb8e6;
  --petrol:#06384a;
  --petrol-2:#0a2f3d;
  --signal:#ff6a4d;
  --signal-deep:#e8543b;
  --ok:#1a9e5f;
  --line:rgba(11,46,58,.12);
  --line-strong:rgba(11,46,58,.2);

  /* type */
  --f-display:"Fraunces",Georgia,"Times New Roman",serif;
  --f-body:"Figtree",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  /* shape */
  --r-sm:10px; --r:16px; --r-lg:26px; --r-pill:999px;

  /* shadow */
  --sh-1:0 1px 2px rgba(6,56,74,.06),0 1px 3px rgba(6,56,74,.08);
  --sh-2:0 12px 30px -16px rgba(6,56,74,.25);
  --sh-3:0 26px 60px -28px rgba(6,56,74,.4);
  --glow:0 0 0 1px rgba(0,153,204,.35),0 14px 40px -18px rgba(0,153,204,.5);

  /* layout */
  --maxw:1200px;
  --gutter:clamp(1.1rem,4vw,2.6rem);
  --header-h:74px;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto !important}
.lenis.lenis-stopped{overflow:hidden}
body{
  font-family:var(--f-body);
  background:var(--base);
  color:var(--ink);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul{list-style:none;padding:0}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:6px}

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:560;line-height:1.1;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(2.5rem,6vw,4.4rem);line-height:1.02;letter-spacing:-.025em}
h2{font-size:clamp(2rem,4.4vw,3.1rem);letter-spacing:-.02em}
h3{font-size:clamp(1.3rem,2.4vw,1.85rem)}
h4{font-size:1.18rem;font-family:var(--f-body);font-weight:650;letter-spacing:0}
p{color:var(--ink-soft)}
.lead{font-size:clamp(1.1rem,2vw,1.35rem);color:var(--ink-soft);line-height:1.55}
strong{color:var(--ink);font-weight:650}

.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--f-body);font-weight:680;font-size:.78rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--brand-deep);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px}
.eyebrow.center::before{display:none}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.wrap-wide{max-width:1340px}
.section{padding-block:clamp(3.6rem,8vw,7rem)}
.section-tight{padding-block:clamp(2.6rem,5vw,4rem)}
.center{text-align:center}
.measure{max-width:64ch}
.measure.center{margin-inline:auto}
.grid{display:grid;gap:clamp(1rem,2.4vw,1.8rem)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.cols-3,.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.cols-2,.cols-3,.cols-4{grid-template-columns:1fr}}

.bg-petrol{background:var(--petrol);color:#dff1f7}
.bg-petrol h1,.bg-petrol h2,.bg-petrol h3{color:#fff}
.bg-petrol p{color:#a9cdd9}
.bg-surface{background:var(--surface)}
.bg-soft{background:var(--surface-2)}

/* ---------- Buttons ---------- */
.btn{
  --bg:var(--brand-deep);--fg:#fff;
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.92rem 1.5rem;border-radius:var(--r-pill);border:1px solid transparent;
  background:var(--bg);color:var(--fg);font-weight:640;font-size:1rem;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  overflow:hidden;min-height:48px;white-space:nowrap;
}
.btn::after{ /* sheen */
  content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.32) 50%,transparent 70%);
  transform:translateX(-120%);transition:transform .65s var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn:hover::after{transform:translateX(120%)}
.btn-urgent{--bg:var(--signal);box-shadow:0 12px 30px -16px rgba(255,106,77,.7)}
.btn-urgent:hover{--bg:var(--signal-deep)}
.btn-ghost{--bg:transparent;--fg:var(--ink);border-color:var(--line-strong)}
.btn-ghost::after{display:none}
.btn-ghost:hover{background:rgba(0,153,204,.08);border-color:var(--brand)}
.btn-white{--bg:#fff;--fg:var(--petrol)}
.btn-lg{padding:1.05rem 1.9rem;font-size:1.06rem}
.btn svg{width:18px;height:18px;flex:none}
.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}

.linkarrow{display:inline-flex;align-items:center;gap:.4rem;font-weight:640;color:var(--brand-deep)}
.linkarrow svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.linkarrow:hover svg{transform:translateX(4px)}

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(244,248,251,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s,box-shadow .3s;
}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(255,255,255,.9);box-shadow:var(--sh-1)}
.nav{display:flex;align-items:center;gap:1.4rem;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--f-display);font-weight:600;font-size:1.18rem;color:var(--ink);letter-spacing:-.01em}
.brand img{width:30px;height:auto}
.brand .b-sub{display:block;font-family:var(--f-body);font-weight:600;font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-top:1px}
.nav-spacer{flex:1}
.nav-links{display:flex;align-items:center;gap:.3rem}
.nav-links>li>a,.nav-trigger{
  display:inline-flex;align-items:center;gap:.3rem;padding:.55rem .8rem;border-radius:var(--r-pill);
  font-weight:560;font-size:.97rem;color:var(--ink-soft);cursor:pointer;background:none;border:0;
  transition:color .2s,background .2s;
}
.nav-links>li>a:hover,.nav-trigger:hover,.nav-links>li>a[aria-current="page"]{color:var(--brand-deep);background:rgba(0,153,204,.08)}
.nav-trigger svg{width:14px;height:14px;transition:transform .25s}
.has-mega:hover .nav-trigger svg{transform:rotate(180deg)}

/* mega dropdown for services */
.mega{
  position:absolute;left:50%;top:calc(100% - 6px);transform:translateX(-50%) translateY(8px);
  width:min(680px,92vw);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:1rem;opacity:0;visibility:hidden;transition:opacity .22s var(--ease),transform .22s var(--ease);z-index:210;
}
.has-mega{position:relative}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:.4rem}
.mega a{display:flex;gap:.75rem;padding:.7rem;border-radius:var(--r);transition:background .18s}
.mega a:hover{background:var(--surface-2)}
.mega .ico{width:42px;height:42px;flex:none;border-radius:12px;background:rgba(0,153,204,.1);display:grid;place-items:center}
.mega .ico img{width:24px;height:24px}
.mega .mt{display:block;font-weight:650;color:var(--ink);font-size:.97rem}
.mega .md{display:block;font-size:.82rem;color:var(--muted);line-height:1.4;margin-top:2px}
.mega-foot{margin-top:.5rem;border-top:1px solid var(--line);padding:.7rem .7rem 0;display:flex;justify-content:space-between;align-items:center}
.mega-foot a{padding:0}

.nav-cta{display:flex;align-items:center;gap:.6rem}
.nav-phone{display:inline-flex;align-items:center;gap:.45rem;font-weight:680;color:var(--ink)}
.nav-phone svg{width:16px;height:16px;color:var(--brand-deep)}

/* hamburger */
.burger{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer;align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{content:"";display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.burger span{position:relative}
.burger span::before{position:absolute;top:-6px}
.burger span::after{position:absolute;top:6px}
.drawer-open .burger span{background:transparent}
.drawer-open .burger span::before{top:0;transform:rotate(45deg)}
.drawer-open .burger span::after{top:0;transform:rotate(-45deg)}

@media(max-width:1024px){
  .nav-links,.nav-phone{display:none}
  .burger{display:inline-flex}
}
@media(max-width:560px){
  .nav-cta .btn{display:none} /* sticky call bar covers this CTA on phones */
  .brand{font-size:1.05rem}
}

/* mobile drawer */
.drawer{
  position:fixed;inset:var(--header-h) 0 0;z-index:190;background:var(--surface);
  padding:1.5rem var(--gutter) 2rem;overflow-y:auto;transform:translateY(-8px);
  opacity:0;visibility:hidden;transition:opacity .3s,transform .3s,visibility .3s;
}
.drawer-open .drawer{opacity:1;visibility:visible;transform:none}
.drawer a{display:block;padding:.95rem .4rem;font-size:1.15rem;font-weight:560;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer .drawer-sub a{font-size:1rem;color:var(--ink-soft);padding-left:1.2rem}
.drawer .btn{width:100%;margin-top:1.1rem}
.drawer-label{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:1.2rem}

/* ---------- Sticky urgency call bar (mobile) ---------- */
.callbar{
  position:fixed;left:0;right:0;bottom:0;z-index:180;display:none;
  grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  box-shadow:0 -10px 30px -18px rgba(6,56,74,.5);
}
.callbar a{display:flex;align-items:center;justify-content:center;gap:.4rem;min-width:0;padding:.9rem .5rem;font-weight:680;font-size:.92rem;line-height:1.1;white-space:nowrap;background:var(--surface);color:var(--ink)}
.callbar a.urgent{background:var(--signal);color:#fff}
.callbar svg{width:17px;height:17px;flex:none}
@media(max-width:1024px){.callbar{display:grid}body{padding-bottom:0}}

/* ---------- Cards ---------- */
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:1.6rem;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,153,204,.35)}
.card .ico{width:58px;height:58px;border-radius:16px;background:linear-gradient(150deg,rgba(0,153,204,.14),rgba(0,153,204,.04));display:grid;place-items:center;margin-bottom:1.1rem}
.card .ico img{width:34px;height:34px}
.card h3{margin-bottom:.5rem}
.card p{font-size:.97rem}
.card-link{display:block}
.card-foot{margin-top:1.1rem}

/* ---------- AEO quick-answer + key-facts ---------- */
.quick-answer{
  border-left:4px solid var(--brand);background:rgba(0,153,204,.06);
  border-radius:0 var(--r) var(--r) 0;padding:1.2rem 1.4rem;margin:1.4rem 0;
}
.quick-answer .qa-label{font-weight:700;color:var(--brand-deep);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:.35rem}
.quick-answer p{color:var(--ink);margin:0}
.keyfacts{width:100%;border-collapse:collapse;margin:1.4rem 0;font-size:.98rem;background:var(--surface);border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.keyfacts th,.keyfacts td{text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--line);vertical-align:top}
.keyfacts th{width:34%;color:var(--muted);font-weight:600}
.keyfacts tr:last-child th,.keyfacts tr:last-child td{border-bottom:0}
.toc{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);padding:1.1rem 1.3rem;margin:1.4rem 0}
.toc strong{display:block;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.toc ol{margin:0;padding-left:1.1rem}
.toc a{color:var(--brand-deep);font-weight:560}

/* ---------- Stat dividers ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--surface)}
.stats .stat{padding:1.6rem 1.2rem;text-align:center;border-right:1px solid var(--line)}
.stats .stat:last-child{border-right:0}
.stat .num{font-family:var(--f-display);font-size:clamp(2rem,4vw,2.8rem);color:var(--brand-deep);line-height:1;font-weight:560}
.stat .lbl{display:block;margin-top:.5rem;font-size:.9rem;color:var(--muted)}
@media(max-width:740px){.stats{grid-template-columns:repeat(2,1fr)}.stats .stat:nth-child(2){border-right:0}.stats .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}}

/* ---------- Kinetic marquee ---------- */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:1.1rem 0;background:var(--surface);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:2.4rem;width:max-content;animation:marq 38s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{display:inline-flex;align-items:center;gap:2.4rem;font-family:var(--f-display);font-size:clamp(1.1rem,2.2vw,1.6rem);color:var(--ink);white-space:nowrap}
.marquee span::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- Footer ---------- */
.site-footer{background:var(--petrol);color:#bcdde8;padding-block:clamp(3rem,6vw,4.5rem) 1.5rem;position:relative;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2rem}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.site-footer .brand{color:#fff}
.site-footer .brand .b-sub{color:#7fb6c7}
.footer-about p{color:#9cc6d4;font-size:.95rem;margin-top:1rem;max-width:34ch}
.footer-col h4{color:#fff;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem;font-family:var(--f-body)}
.footer-col a{display:block;padding:.32rem 0;color:#a9cdd9;font-size:.96rem}
.footer-col a:hover{color:#fff}
.footer-contact a{display:flex;gap:.55rem;align-items:flex-start}
.footer-contact svg{width:17px;height:17px;color:var(--brand-bright);flex:none;margin-top:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2.5rem;padding-top:1.4rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:#7fb6c7}
.footer-watermark{position:absolute;right:-4%;bottom:-18%;font-family:var(--f-display);font-size:24vw;line-height:1;color:rgba(255,255,255,.03);pointer-events:none;font-weight:600;letter-spacing:-.04em}

/* ---------- Forms ---------- */
.form{display:grid;gap:1.1rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media(max-width:560px){.form-row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{font-weight:600;font-size:.92rem;color:var(--ink)}
.field .req{color:var(--signal)}
.field input,.field select,.field textarea{
  padding:.85rem 1rem;border:1px solid var(--line-strong);border-radius:var(--r-sm);background:var(--surface);
  font-size:1rem;transition:border-color .2s,box-shadow .2s;min-height:48px;
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,153,204,.18)}
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
@media(max-width:560px){.choice-grid{grid-template-columns:1fr}}
.choice{position:relative;display:flex;align-items:center;gap:.6rem;padding:.8rem 1rem;border:1px solid var(--line-strong);border-radius:var(--r-sm);cursor:pointer;transition:border-color .2s,background .2s;font-size:.95rem}
.choice input{position:absolute;opacity:0}
.choice:has(input:checked){border-color:var(--brand);background:rgba(0,153,204,.08);font-weight:600}
.choice .dot{width:18px;height:18px;border:2px solid var(--line-strong);border-radius:50%;flex:none}
.choice:has(input:checked) .dot{border-color:var(--brand);background:var(--brand);box-shadow:inset 0 0 0 3px #fff}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.consent input{margin-top:4px;width:18px;height:18px;flex:none}
.form-note{font-size:.85rem;color:var(--muted)}
.form-success{display:none;padding:1rem 1.2rem;border-radius:var(--r);background:rgba(26,158,95,.12);border:1px solid rgba(26,158,95,.4);color:#0c6e41;font-weight:600}
.form.sent .form-success{display:block}
.form.sent .form-fields{display:none}

/* ---------- Custom cursor ---------- */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;border-radius:50%;pointer-events:none;z-index:9999;mix-blend-mode:normal;opacity:0;transition:opacity .3s}
.cursor-dot{width:7px;height:7px;background:var(--brand);transform:translate(-50%,-50%)}
.cursor-ring{width:34px;height:34px;border:1.5px solid var(--signal);transform:translate(-50%,-50%);transition:width .25s,height .25s,opacity .3s,background .25s,border-color .25s}
.cursor-ring.hover{width:52px;height:52px;background:rgba(255,106,77,.1);border-color:var(--signal)}
body.cursor-ready .cursor-dot,body.cursor-ready .cursor-ring{opacity:1}
@media(hover:none),(pointer:coarse){.cursor-dot,.cursor-ring{display:none}}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px)}
.revealed{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .7s var(--ease)}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1!important;transform:none!important}
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .marquee-track{animation:none}
}

/* utilities */
.pill{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .8rem;border-radius:var(--r-pill);background:rgba(0,153,204,.1);color:var(--brand-deep);font-weight:640;font-size:.82rem}
.pill.coral{background:rgba(255,106,77,.12);color:var(--signal-deep)}
.tag{font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.divider{height:1px;background:var(--line);border:0;margin-block:2.5rem}
.hairline-top{border-top:1px solid var(--line)}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.flow>*+*{margin-top:1.1rem}