/* ===================================================================
   Lundgren Chiropractic — Clean Medical Glassmorphism
   Mobile-first (375px base) • white/ice + teal/blue • frosted glass
   =================================================================== */

:root{
  /* palette */
  --ice-0:#f6fbfd;
  --ice-1:#eef6fa;
  --ice-2:#e3f0f6;
  --white:#ffffff;
  --teal-700:#0e6b78;
  --teal-600:#0f8a99;
  --teal-500:#17a5b5;
  --teal-300:#7fd3dd;
  --blue-700:#155e9c;
  --blue-500:#2f86d8;
  --ink:#13343b;
  --ink-soft:#3f5a62;
  --ink-mute:#6c858d;
  --line:rgba(15,138,153,.16);

  /* glass */
  --glass-bg:rgba(255,255,255,.62);
  --glass-bg-strong:rgba(255,255,255,.78);
  --glass-brd:rgba(255,255,255,.7);
  --glass-shadow:0 10px 30px -12px rgba(16,79,92,.28);
  --glass-shadow-lg:0 24px 60px -22px rgba(16,79,92,.38);

  --grad-teal:linear-gradient(135deg,var(--teal-500),var(--blue-500));
  --grad-teal-deep:linear-gradient(135deg,var(--teal-600),var(--blue-700));

  --r-sm:12px; --r-md:18px; --r-lg:26px; --r-xl:34px;
  --maxw:1120px;
  --pad:20px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);
  background:var(--ice-0);
  line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--teal-600);text-decoration:none}
h1,h2,h3{line-height:1.15;margin:0;letter-spacing:-.02em;font-weight:800;color:var(--ink)}
p{margin:0 0 1em}

/* aurora / mesh background fixed behind everything */
.bg-mesh{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(46% 38% at 12% 8%, rgba(127,211,221,.42), transparent 70%),
    radial-gradient(50% 42% at 92% 4%, rgba(47,134,216,.28), transparent 72%),
    radial-gradient(60% 50% at 78% 96%, rgba(23,165,181,.22), transparent 75%),
    linear-gradient(180deg,var(--ice-1),var(--ice-0));
}
.bg-grid{
  position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(120% 80% at 50% 0%,#000,transparent 75%);
          mask-image:radial-gradient(120% 80% at 50% 0%,#000,transparent 75%);
}

/* ---------- utilities ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.skip-link{
  position:absolute;left:8px;top:-60px;z-index:200;
  background:var(--teal-700);color:#fff;padding:12px 18px;border-radius:10px;
  transition:top .2s var(--ease);font-weight:600;
}
.skip-link:focus{top:8px}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal-700);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-teal)}

.section{padding:64px 0;position:relative}
.section__head{max-width:640px;margin:0 0 32px}
.section__head h2{font-size:clamp(1.7rem,6.4vw,2.6rem);margin:.5rem 0 .55rem}
.section__head p{color:var(--ink-soft);font-size:1.04rem;margin:0}

.glass{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
          backdrop-filter:blur(18px) saturate(150%);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-lg);
  box-shadow:var(--glass-shadow);
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:50px;padding:0 24px;border-radius:999px;
  font-weight:700;font-size:1rem;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
  text-align:center;line-height:1.1;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn--primary{background:var(--grad-teal-deep);color:#fff;box-shadow:0 12px 26px -10px rgba(15,94,156,.6)}
.btn--primary:hover{box-shadow:0 16px 34px -10px rgba(15,94,156,.7);transform:translateY(-2px)}
.btn--ghost{background:var(--glass-bg-strong);color:var(--teal-700);border-color:var(--glass-brd)}
.btn--ghost:hover{background:#fff;transform:translateY(-2px)}
.btn--block{width:100%}

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:90;
  transition:background .3s,box-shadow .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.header.is-stuck{
  background:rgba(246,251,253,.8);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
          backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -18px rgba(16,79,92,.5);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;border-radius:12px;padding:4px}
.brand:focus-visible{outline:3px solid var(--teal-500);outline-offset:2px}
.brand img{height:38px;width:auto;border-radius:8px;box-shadow:0 6px 16px -8px rgba(16,79,92,.5)}
.nav__links{display:none}
.nav__cta{display:none}

@media(min-width:920px){
  .nav__links{display:flex;gap:6px;align-items:center}
  .nav__links a{
    padding:10px 14px;border-radius:10px;color:var(--ink-soft);font-weight:600;font-size:.95rem;
    transition:background .2s,color .2s;
  }
  .nav__links a:hover{background:var(--glass-bg);color:var(--teal-700)}
  .nav__cta{display:inline-flex}
}

/* ---------- hero ---------- */
.hero{position:relative;padding:30px 0 40px}
.hero__inner{display:grid;gap:26px}
.hero__badge{
  display:inline-flex;align-items:center;gap:9px;align-self:flex-start;
  padding:8px 14px;border-radius:999px;font-size:.82rem;font-weight:700;color:var(--teal-700);
}
.hero__badge .dot{width:8px;height:8px;border-radius:50%;background:#1bbf7a;box-shadow:0 0 0 4px rgba(27,191,122,.18)}
.hero h1{font-size:clamp(2.1rem,9vw,3.7rem);letter-spacing:-.03em}
.hero h1 .grad{
  background:var(--grad-teal-deep);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lede{font-size:1.1rem;color:var(--ink-soft);max-width:48ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px}
.hero__trust{display:flex;flex-wrap:wrap;gap:18px;margin-top:6px}
.hero__trust .ti{display:flex;align-items:center;gap:9px;font-size:.9rem;color:var(--ink-soft);font-weight:600}
.hero__trust .ti svg{flex:none}

/* hero glass visual with animated spine */
.hero__visual{position:relative;border-radius:var(--r-xl);padding:22px;overflow:hidden}
.hero__visual{
  background:linear-gradient(150deg,rgba(255,255,255,.7),rgba(227,240,246,.5));
}
.spine-card{position:relative;min-height:300px;border-radius:var(--r-lg);overflow:hidden}
.spine-card svg{width:100%;height:100%;display:block}
.hero__stat{
  position:absolute;left:16px;bottom:16px;right:16px;
  display:flex;gap:10px;
}
.hero__stat .chip{
  flex:1;padding:12px 14px;border-radius:16px;text-align:center;
  background:var(--glass-bg-strong);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--glass-brd);
}
.hero__stat .chip b{display:block;font-size:1.25rem;color:var(--teal-700);letter-spacing:-.02em}
.hero__stat .chip span{font-size:.72rem;color:var(--ink-mute);font-weight:600}

@media(min-width:860px){
  .hero{padding:48px 0 56px}
  .hero__inner{grid-template-columns:1.05fr .95fr;align-items:center;gap:44px}
  .spine-card{min-height:420px}
}

/* ---------- conditions ---------- */
.cards{display:grid;gap:16px}
@media(min-width:620px){.cards{grid-template-columns:1fr 1fr}}
@media(min-width:980px){.cards--3{grid-template-columns:1fr 1fr 1fr}}
.cond{
  padding:22px;border-radius:var(--r-md);position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.cond:hover{transform:translateY(-4px);box-shadow:var(--glass-shadow-lg)}
.cond .ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
  background:linear-gradient(140deg,rgba(23,165,181,.16),rgba(47,134,216,.16));
  border:1px solid var(--glass-brd);
}
.cond h3{font-size:1.12rem;margin-bottom:6px}
.cond p{color:var(--ink-soft);font-size:.95rem;margin:0}

/* ---------- services / techniques ---------- */
.svc{display:grid;gap:14px}
@media(min-width:760px){.svc{grid-template-columns:1fr 1fr}}
.svc__item{display:flex;gap:14px;padding:20px;border-radius:var(--r-md)}
.svc__item .num{
  flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;color:#fff;background:var(--grad-teal);font-size:.95rem;
}
.svc__item h3{font-size:1.05rem;margin-bottom:4px}
.svc__item p{margin:0;color:var(--ink-soft);font-size:.93rem}

/* ---------- about ---------- */
.about{display:grid;gap:26px;align-items:center}
@media(min-width:880px){.about{grid-template-columns:.85fr 1.15fr}}
.about__portrait{
  border-radius:var(--r-lg);padding:18px;min-height:300px;position:relative;overflow:hidden;
  background:linear-gradient(150deg,rgba(255,255,255,.66),rgba(227,240,246,.46));
}
.about__portrait svg{width:100%;height:100%}
.about__body h2{font-size:clamp(1.6rem,5.6vw,2.3rem);margin-bottom:.5rem}
.about__body p{color:var(--ink-soft)}
.about__facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.about__facts .pill{
  padding:9px 14px;border-radius:999px;font-size:.85rem;font-weight:600;color:var(--teal-700);
  background:var(--glass-bg-strong);border:1px solid var(--glass-brd);
}

/* ---------- new patient ---------- */
.np{display:grid;gap:14px}
@media(min-width:760px){.np{grid-template-columns:1fr 1fr 1fr}}
.np__step{padding:22px;border-radius:var(--r-md);position:relative}
.np__step .badge{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;
  background:var(--grad-teal-deep);margin-bottom:12px;
}
.np__step h3{font-size:1.05rem;margin-bottom:5px}
.np__step p{margin:0;color:var(--ink-soft);font-size:.93rem}

/* ---------- reviews ---------- */
.reviews{display:grid;gap:16px}
@media(min-width:760px){.reviews{grid-template-columns:1fr 1fr 1fr}}
.review{padding:24px;border-radius:var(--r-md)}
.review .stars{color:#f6b73c;letter-spacing:2px;margin-bottom:10px;font-size:1rem}
.review p{font-style:italic;color:var(--ink-soft);margin:0 0 12px;font-size:.97rem}
.review .who{font-weight:700;color:var(--ink);font-size:.9rem}
.review .who span{display:block;font-weight:500;color:var(--ink-mute);font-size:.8rem;font-style:normal}
.reviews__note{
  margin-top:18px;font-size:.82rem;color:var(--ink-mute);text-align:center;max-width:60ch;margin-left:auto;margin-right:auto
}

/* ---------- location ---------- */
.loc{display:grid;gap:18px}
@media(min-width:860px){.loc{grid-template-columns:1fr 1fr}}
.loc__map{border-radius:var(--r-lg);overflow:hidden;min-height:280px;position:relative;padding:0}
.loc__map svg{width:100%;height:100%;display:block}
.loc__map .pin{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-100%);
  display:flex;flex-direction:column;align-items:center;gap:4px;
}
.loc__info{padding:26px}
.loc__info h3{font-size:1.3rem;margin-bottom:14px}
.loc__row{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.loc__row:last-child{border-bottom:0}
.loc__row .ic{flex:none;color:var(--teal-600);margin-top:2px}
.loc__row b{display:block;color:var(--ink);font-size:.95rem}
.loc__row span{color:var(--ink-soft);font-size:.92rem}
.hours-table{width:100%;border-collapse:collapse;margin-top:4px}
.hours-table td{padding:6px 0;font-size:.9rem;color:var(--ink-soft);border-bottom:1px dashed var(--line)}
.hours-table td:last-child{text-align:right;font-weight:600;color:var(--ink)}
.hours-table tr:last-child td{border-bottom:0}
.hours-table .closed{color:var(--ink-mute);font-weight:500}

/* ---------- contact / form ---------- */
.contact{display:grid;gap:22px}
@media(min-width:900px){.contact{grid-template-columns:1.05fr .95fr}}
.contact__intro h2{font-size:clamp(1.7rem,6vw,2.5rem);margin-bottom:.5rem}
.contact__intro p{color:var(--ink-soft)}
.contact__call{
  display:flex;align-items:center;gap:14px;padding:18px;border-radius:var(--r-md);margin-top:18px;
}
.contact__call .ic{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;flex:none;
  background:var(--grad-teal);color:#fff;
}
.contact__call b{display:block;font-size:1.15rem;color:var(--ink);letter-spacing:-.01em}
.contact__call span{font-size:.85rem;color:var(--ink-mute)}

.form{padding:24px;border-radius:var(--r-lg);display:grid;gap:14px}
.field{display:grid;gap:6px}
.field label{font-size:.82rem;font-weight:700;color:var(--ink-soft)}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:12px;font:inherit;font-size:1rem;
  background:rgba(255,255,255,.78);border:1px solid var(--line);color:var(--ink);
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--teal-500);box-shadow:0 0 0 3px rgba(23,165,181,.22)
}
.form__note{font-size:.78rem;color:var(--ink-mute);margin:0}
.form__ok{
  display:none;padding:14px;border-radius:12px;background:rgba(27,191,122,.12);
  border:1px solid rgba(27,191,122,.4);color:#0c7a4e;font-weight:600;font-size:.92rem;
}
.form__ok.show{display:block}

/* ---------- footer ---------- */
.footer{padding:40px 0 120px;color:var(--ink-soft)}
.footer__grid{display:grid;gap:22px}
@media(min-width:760px){.footer__grid{grid-template-columns:1.4fr 1fr 1fr}}
.footer h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-mute);margin-bottom:10px}
.footer a{color:var(--ink-soft);display:block;padding:4px 0}
.footer a:hover{color:var(--teal-700)}
.footer__brand img{height:42px;border-radius:8px;margin-bottom:10px}
.footer__legal{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:.8rem;color:var(--ink-mute)}

/* ---------- sticky mobile CTA ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:95;
  display:flex;gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(246,251,253,.82);
  -webkit-backdrop-filter:blur(16px) saturate(150%);backdrop-filter:blur(16px) saturate(150%);
  border-top:1px solid var(--line);
  transform:translateY(120%);transition:transform .35s var(--ease);
}
.sticky-cta.show{transform:translateY(0)}
.sticky-cta .btn{flex:1;min-height:48px;font-size:.95rem}
@media(min-width:920px){.sticky-cta{display:none}}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}

/* floating glass cards */
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.floaty{animation:floaty 6s ease-in-out infinite}
.floaty--slow{animation-duration:8s}

/* spine line draw */
.spine-line{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 3s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.spine-dot{opacity:0;animation:pop .5s var(--ease) forwards}
@keyframes pop{from{opacity:0;transform:scale(.3)}to{opacity:1;transform:scale(1)}}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .spine-line{stroke-dashoffset:0}
  .spine-dot{opacity:1}
  .sticky-cta{transition:none}
}