/* ============================================================
   Northline Dental Co. — Site design system
   Built on Foundation v1. Do not invent new colors/type.
   ============================================================ */
:root{
  /* Neutrals */
  --bone:#F4F1EA;
  --paper:#FBFAF6;
  --stone:#E7E3D9;
  --ink:#1F282A;
  --slate:#5E6B6A;
  /* Primary + supporting */
  --petrol:#36474C;
  --petrol-deep:#283539;
  --sage:#93A39B;
  --mist:#D8DED7;
  /* Accent */
  --accent:#C07A57;
  --accent-deep:#9E5C3C;

  --font-sans:'Hanken Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-display:'Newsreader', Georgia, 'Times New Roman', serif;

  --maxw:1200px;
  --gutter:40px;
  --radius:8px;
  --radius-lg:14px;
  --line:rgba(31,40,42,.13);
  --line-soft:rgba(31,40,42,.08);
  --shadow-sm:0 1px 2px rgba(31,40,42,.05);
  --shadow:0 6px 24px -12px rgba(31,40,42,.18);
  --shadow-lg:0 24px 60px -28px rgba(31,40,42,.35);
  --nav-h:70px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bone);color:var(--ink);
  font-family:var(--font-sans);font-weight:400;line-height:1.65;
  -webkit-font-smoothing:antialiased;font-feature-settings:"kern" 1,"liga" 1;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
::selection{background:var(--accent);color:var(--bone);}

/* focus */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--accent-deep);outline-offset:3px;border-radius:3px;
}

/* ---------- layout ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);}
.container-wide{max-width:1360px;margin:0 auto;padding:0 var(--gutter);}
.section{padding:120px 0;}
.section-sm{padding:80px 0;}
.section-lg{padding:160px 0;}
@media(max-width:860px){
  :root{--gutter:24px;}
  .section{padding:80px 0;}
  .section-lg{padding:100px 0;}
  .section-sm{padding:56px 0;}
}
.bg-bone{background:var(--bone);}
.bg-paper{background:var(--paper);}
.bg-stone{background:var(--stone);}
.bg-mist{background:var(--mist);}
.bg-sage{background:var(--sage);}
.bg-petrol{background:var(--petrol-deep);color:var(--bone);}
.bg-petrol .muted,.bg-petrol .eyebrow{color:var(--sage);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- type ---------- */
h1,h2,h3,h4,h5{margin:0;font-weight:400;letter-spacing:-0.015em;text-wrap:balance;}
.display{font-family:var(--font-display);color:var(--petrol);line-height:1.0;letter-spacing:-0.025em;font-weight:400;}
h1.display{font-size:clamp(44px,6.4vw,86px);}
h2.display{font-size:clamp(32px,4.4vw,54px);line-height:1.05;}
h3.display{font-size:clamp(24px,2.8vw,34px);line-height:1.12;}
.display em{font-style:italic;color:var(--accent-deep);}
.bg-petrol .display{color:var(--bone);}
.bg-petrol .display em{color:var(--accent);}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--slate);display:inline-flex;align-items:center;gap:12px;}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--accent);display:inline-block;}
.lede{font-size:clamp(18px,2vw,22px);line-height:1.62;color:var(--ink);max-width:60ch;}
.muted{color:var(--slate);}
.body-lg{font-size:18px;line-height:1.7;color:var(--slate);max-width:62ch;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--accent-deep);text-underline-offset:3px;text-decoration-thickness:1px;}
.sec-head{max-width:740px;margin-bottom:64px;}
.sec-head .eyebrow{margin-bottom:22px;}
.sec-head h2{margin-bottom:22px;}
.sec-head p{margin:0;}
.center{text-align:center;}
.center .sec-head{margin-left:auto;margin-right:auto;}
.center .eyebrow::before{display:none;}
.center .eyebrow{gap:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-sans);font-size:15px;font-weight:600;letter-spacing:.01em;
  padding:14px 26px;border-radius:40px;border:1.5px solid transparent;cursor:pointer;
  text-decoration:none;transition:all .22s var(--ease);white-space:nowrap;line-height:1;
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--petrol);color:var(--bone);}
.btn-primary:hover{background:var(--petrol-deep);transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-primary .tick{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.btn-secondary{background:transparent;color:var(--petrol);border-color:var(--line);}
.btn-secondary:hover{border-color:var(--petrol);background:var(--paper);}
.bg-petrol .btn-secondary{color:var(--bone);border-color:rgba(244,241,234,.3);}
.bg-petrol .btn-secondary:hover{border-color:var(--bone);background:rgba(244,241,234,.06);}
.btn-light{background:var(--bone);color:var(--petrol);}
.btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
.btn-ghost{background:transparent;color:var(--accent-deep);padding:8px 0;border-radius:0;}
.btn-ghost:hover{gap:14px;}
.btn-lg{padding:18px 34px;font-size:16px;}
.btn-block{width:100%;}
.arrow{transition:transform .22s var(--ease);}
.btn:hover .arrow{transform:translateX(3px);}

/* link with arrow */
.txt-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--accent-deep);text-decoration:none;}
.txt-link:hover{gap:12px;}
.txt-link svg{width:15px;height:15px;}

/* ---------- chips / pills ---------- */
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.02em;padding:7px 14px;border-radius:30px;background:var(--paper);border:1px solid var(--line);color:var(--ink);}
.pill .d{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.tag{font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-deep);}

/* ---------- cards ---------- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);}
.card.hover:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-soft);}
.grid{display:grid;gap:24px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:680px){.g2,.g3,.g4{grid-template-columns:1fr;}}

/* ---------- icon (line) ---------- */
.ico{width:30px;height:30px;stroke:var(--petrol);stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.ico-badge{width:54px;height:54px;border-radius:12px;background:var(--mist);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.ico-badge .ico{width:26px;height:26px;}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px;}
.field label{font-size:13px;font-weight:600;color:var(--ink);letter-spacing:.01em;}
.field .hint{font-size:12.5px;color:var(--slate);}
input,select,textarea{
  font-family:var(--font-sans);font-size:15px;color:var(--ink);background:var(--bone);
  border:1.5px solid var(--line);border-radius:10px;padding:13px 15px;width:100%;transition:border-color .2s;
}
input::placeholder,textarea::placeholder{color:#9aa3a1;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--petrol);}
select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235E6B6A' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;}

/* image slots */
image-slot{border-radius:var(--radius-lg);overflow:hidden;background:var(--stone);display:block;}

/* ---------- trust strip ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper);}
.trust .row{display:flex;align-items:center;justify-content:center;gap:14px 44px;flex-wrap:wrap;padding:20px 0;}
.trust .ti{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--ink);font-weight:500;}
.trust .ti svg{width:18px;height:18px;stroke:var(--petrol);stroke-width:1.5;fill:none;}
.trust .stars{color:var(--accent);letter-spacing:2px;font-size:14px;}
.trust .sep{width:1px;height:20px;background:var(--line);}
@media(max-width:860px){.trust .sep{display:none;}.trust .row{gap:12px 26px;}}

/* ============================================================
   GLOBAL NAV (injected by site.js)
   ============================================================ */
.nav{position:sticky;top:0;z-index:60;background:rgba(244,241,234,.85);backdrop-filter:saturate(150%) blur(14px);border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);}
.brand .mk{position:relative;width:30px;height:1.6px;background:var(--ink);}
.brand .mk::after{content:"";position:absolute;right:6px;top:-3.5px;width:1.6px;height:9px;background:var(--accent);}
.brand .nm{font-family:var(--font-sans);font-weight:600;font-size:16px;letter-spacing:.01em;}
.brand .nm b{font-weight:600;}
.nav-links{display:flex;align-items:center;gap:0;flex:1;justify-content:flex-end;flex-wrap:nowrap;min-width:0;overflow-x:auto;scrollbar-width:none;}
.nav-links::-webkit-scrollbar{display:none;}
.nav-links a{font-size:13.5px;color:var(--ink);text-decoration:none;padding:8px 9px;border-radius:8px;transition:background .18s,color .18s;white-space:nowrap;}
.nav-links a:hover{background:rgba(31,40,42,.05);}
.nav-links a.active{color:var(--petrol);font-weight:600;}
.nav-cta{display:flex;align-items:center;gap:14px;}
.has-menu{position:relative;}
.has-menu>button{font-family:var(--font-sans);font-size:14.5px;color:var(--ink);background:none;border:0;cursor:pointer;padding:9px 14px;border-radius:8px;display:inline-flex;align-items:center;gap:6px;}
.has-menu>button:hover{background:rgba(31,40,42,.05);}
.has-menu>button svg{width:13px;height:13px;transition:transform .2s;}
.has-menu:hover>button svg{transform:rotate(180deg);}
.dropdown{position:absolute;top:calc(100% + 6px);left:0;min-width:240px;background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:all .2s var(--ease);}
.has-menu:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{display:flex;flex-direction:column;gap:2px;padding:11px 14px;border-radius:8px;text-decoration:none;color:var(--ink);}
.dropdown a span{font-size:14.5px;font-weight:600;}
.dropdown a small{font-size:12.5px;color:var(--slate);font-weight:400;}
.dropdown a:hover{background:var(--mist);}
.nav-burger{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.nav-burger span{display:block;width:24px;height:1.8px;background:var(--ink);margin:5px 0;transition:.25s;}
@media(max-width:1120px){.nav-cta .desk{display:none;}}
@media(max-width:960px){.nav-links a{font-size:12.5px;padding:7px 7px;}.brand .nm{font-size:15px;}}
@media(max-width:680px){.nav-links{display:none;}.nav-burger{display:block;}}

/* mobile menu overlay */
.msheet{position:fixed;inset:0;z-index:200;background:var(--bone);transform:translateX(100%);transition:transform .35s var(--ease);overflow-y:auto;display:flex;flex-direction:column;}
.msheet.open{transform:translateX(0);}
.msheet-top{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);padding:0 var(--gutter);border-bottom:1px solid var(--line);}
.msheet-close{background:none;border:0;font-size:30px;line-height:1;color:var(--ink);cursor:pointer;}
.msheet nav{padding:18px var(--gutter) 30px;display:flex;flex-direction:column;}
.msheet .grp{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--slate);font-weight:600;margin:24px 0 6px;}
.msheet nav a{font-family:var(--font-display);font-size:26px;color:var(--petrol);text-decoration:none;padding:11px 0;border-bottom:1px solid var(--line-soft);}
.msheet .m-foot{padding:24px var(--gutter) 40px;margin-top:auto;}

/* ============================================================
   STICKY MOBILE BOOK BAR
   ============================================================ */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;gap:10px;padding:12px var(--gutter) calc(12px + env(safe-area-inset-bottom));background:rgba(251,250,246,.95);backdrop-filter:blur(12px);border-top:1px solid var(--line);}
.mbar .btn{flex:1;}
.mbar .btn-call{flex:0 0 52px;padding:14px 0;}
@media(max-width:1080px){.mbar{display:flex;}body{padding-bottom:78px;}}

/* ============================================================
   FOOTER (injected)
   ============================================================ */
.foot{background:var(--petrol-deep);color:var(--bone);padding:80px 0 40px;}
.foot a{color:var(--sage);text-decoration:none;transition:color .18s;}
.foot a:hover{color:var(--bone);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px;border-bottom:1px solid rgba(244,241,234,.12);}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr;gap:36px;}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr;}}
.foot .brand .nm{color:var(--bone);}
.foot .brand .mk{background:var(--bone);}
.foot h5{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--sage);margin-bottom:18px;font-weight:600;}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;font-size:14.5px;}
.foot .blurb{font-size:14.5px;color:var(--sage);line-height:1.7;max-width:30ch;margin:20px 0 24px;}
.foot .addr{font-size:14.5px;line-height:1.8;color:var(--bone);}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:28px;flex-wrap:wrap;}
.foot-bottom span{font-size:13px;color:var(--sage);}
.foot .rating{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--bone);}
.foot .rating .stars{color:var(--accent);letter-spacing:2px;}

/* ============================================================
   BOOKING MODAL (injected)
   ============================================================ */
.modal-bg{position:fixed;inset:0;z-index:300;background:rgba(31,40,42,.55);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .28s;display:flex;align-items:center;justify-content:center;padding:24px;}
.modal-bg.open{opacity:1;visibility:visible;}
.modal{background:var(--bone);border-radius:18px;max-width:920px;width:100%;max-height:92vh;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--shadow-lg);transform:translateY(16px) scale(.98);transition:transform .32s var(--ease);}
.modal-bg.open .modal{transform:none;}
.modal-aside{background:var(--petrol-deep);color:var(--bone);padding:44px 40px;display:flex;flex-direction:column;}
.modal-aside .display{color:var(--bone);}
.modal-aside .display em{color:var(--accent);}
.modal-aside ul{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-direction:column;gap:16px;}
.modal-aside li{display:flex;gap:12px;font-size:14.5px;color:var(--bone);line-height:1.5;}
.modal-aside li svg{width:18px;height:18px;stroke:var(--accent);stroke-width:1.6;fill:none;flex:0 0 auto;margin-top:2px;}
.modal-aside .sms{margin-top:auto;font-size:13px;color:var(--sage);display:flex;gap:10px;align-items:flex-start;padding-top:28px;}
.modal-aside .sms svg{width:16px;height:16px;stroke:var(--sage);fill:none;stroke-width:1.6;flex:0 0 auto;margin-top:1px;}
.modal-body{padding:40px;overflow-y:auto;position:relative;}
.modal-close{position:absolute;top:18px;right:20px;background:none;border:0;font-size:26px;line-height:1;color:var(--slate);cursor:pointer;}
.modal-close:hover{color:var(--ink);}
.modal-body h3{margin-bottom:6px;}
.modal-body .step-copy{font-size:14.5px;color:var(--slate);margin-bottom:24px;}
.slot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:8px;}
.slot{font-size:13.5px;text-align:center;padding:11px 6px;border:1.5px solid var(--line);border-radius:9px;background:var(--paper);cursor:pointer;transition:.16s;font-weight:500;}
.slot:hover{border-color:var(--petrol);}
.slot.sel{background:var(--petrol);color:var(--bone);border-color:var(--petrol);}
.modal-success{text-align:center;padding:30px 10px;}
.modal-success .ck{width:64px;height:64px;border-radius:50%;background:var(--mist);display:flex;align-items:center;justify-content:center;margin:0 auto 22px;}
.modal-success .ck svg{width:30px;height:30px;stroke:var(--petrol);stroke-width:2;fill:none;}
@media(max-width:760px){.modal{grid-template-columns:1fr;max-height:94vh;}.modal-aside{display:none;}}

/* HIPAA integration placeholder (booking + forms) */
.hipaa-embed{background:var(--paper);border:1.5px dashed var(--line);border-radius:14px;padding:34px 28px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;}
.hipaa-embed .he-lock{width:54px;height:54px;border-radius:50%;background:var(--mist);display:flex;align-items:center;justify-content:center;margin-bottom:4px;}
.hipaa-embed .he-lock svg{width:26px;height:26px;stroke:var(--petrol);}
.hipaa-embed b{font-family:var(--font-display);font-weight:400;font-size:21px;color:var(--petrol);letter-spacing:-0.01em;}
.hipaa-embed span{font-size:14px;color:var(--slate);line-height:1.55;max-width:40ch;}
.hipaa-embed .he-badges{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:8px;}
.hipaa-embed .he-badges span{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--ink);background:var(--mist);border-radius:30px;padding:6px 12px;max-width:none;}
.hipaa-embed .he-badges svg{width:14px;height:14px;stroke:var(--petrol);}

/* utility */
.mt-s{margin-top:14px;}.mt-m{margin-top:28px;}.mt-l{margin-top:48px;}
.mb-0{margin-bottom:0;}
.flex{display:flex;}.aic{align-items:center;}.gap-s{gap:12px;}.gap-m{gap:20px;}.wrap{flex-wrap:wrap;}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.fade-up{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.fade-up.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.fade-up{opacity:1;transform:none;transition:none;}*{scroll-behavior:auto;}}

/* ---------- self-serve toolkit ---------- */
.tk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;}
.tk-card{display:flex;flex-direction:column;gap:10px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;text-decoration:none;color:var(--ink);transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.tk-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.tk-n{font-family:var(--font-display);font-style:italic;font-size:15px;color:var(--accent-deep);}
.tk-card h3{font-family:var(--font-display);font-weight:400;font-size:21px;color:var(--petrol);letter-spacing:-0.01em;line-height:1.15;}
.tk-card p{font-size:14px;color:var(--slate);margin:0;flex:1;line-height:1.5;}
.tk-go{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--accent-deep);}
.tk-go svg{width:14px;height:14px;transition:transform .2s;}
.tk-card:hover .tk-go svg{transform:translateX(3px);}

/* ===================== PRELOADER ===================== */
#nl-preloader{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:var(--petrol);transition:opacity .5s ease,visibility .5s ease;}
#nl-preloader.nlp-hide{opacity:0;visibility:hidden;}
.nlp-inner{display:flex;flex-direction:column;align-items:center;gap:22px;}
.nlp-mark{width:48px;height:48px;animation:nlp-pulse 1.6s ease-in-out infinite;}
.nlp-name{font-family:var(--font-display);font-size:23px;color:var(--bone);letter-spacing:.2px;}
.nlp-name b{font-weight:500;color:var(--accent);}
.nlp-bar{position:relative;width:120px;height:3px;border-radius:3px;background:rgba(244,241,234,.18);overflow:hidden;}
.nlp-bar::after{content:"";position:absolute;left:-40%;top:0;height:100%;width:40%;border-radius:3px;background:var(--accent);animation:nlp-slide 1.1s ease-in-out infinite;}
@keyframes nlp-slide{0%{left:-40%;}100%{left:100%;}}
@keyframes nlp-pulse{0%,100%{opacity:.55;transform:scale(.96);}50%{opacity:1;transform:scale(1);}}
@media(prefers-reduced-motion:reduce){#nl-preloader{transition:none;}.nlp-mark,.nlp-bar::after{animation:none;}}