/* Mesa Eye Care — Swiss-grid minimal / optical
   crisp white + clean blue/charcoal, strict grid, precision type */

:root{
  --brand:#1657d0;
  --brand-dark:#0f3f9c;
  --ink:#16202e;
  --charcoal:#33415c;
  --muted:#5e6c84;
  --line:#d9e0ec;
  --bg:#ffffff;
  --bg-alt:#f4f7fb;
  --bg-tint:#eef3fb;
  --white:#fff;
  --radius:4px;
  --maxw:1120px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 1px 2px rgba(22,32,46,.05),0 12px 30px rgba(22,32,46,.07);
  --font:'Inter','Helvetica Neue',Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

.skip-link{
  position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;
  padding:10px 16px;z-index:200;border-radius:0 0 var(--radius) 0;
}
.skip-link:focus{left:0;color:#fff}

:focus-visible{outline:3px solid var(--brand);outline-offset:2px}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;
  background:var(--brand);color:#fff;font-weight:600;font-size:.95rem;
  letter-spacing:.01em;border:1px solid var(--brand);border-radius:var(--radius);
  cursor:pointer;transition:background .2s var(--ease),transform .15s var(--ease);
}
.btn:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-lg{min-height:52px;padding:0 30px;font-size:1.02rem}
.btn-sm{min-height:40px;padding:0 16px;font-size:.88rem}
.btn-block{width:100%}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-tint);color:var(--brand-dark);border-color:var(--brand)}

.eyebrow{
  text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;
  font-weight:700;color:var(--brand);margin-bottom:14px;
}

h1,h2,h3,h4{line-height:1.12;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(2.4rem,7vw,4.2rem);font-weight:800}
h2{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:700}
h3{font-size:1.18rem;font-weight:700}

.section{padding:80px 0}
.section-head{max-width:680px;margin-bottom:48px}
.section-sub{color:var(--muted);font-size:1.05rem;margin-top:14px}

/* ---- Header ---- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.scrolled{box-shadow:0 1px 14px rgba(22,32,46,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.logo-mark{color:var(--brand);display:flex}
.logo-text{font-size:1.15rem;letter-spacing:-.01em;font-weight:500}
.logo-text strong{font-weight:800}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:var(--charcoal);font-weight:500;font-size:.95rem}
.nav a:hover{color:var(--brand)}
.nav a.btn{color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:10px;min-height:44px;min-width:44px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.25s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none;flex-direction:column;border-top:1px solid var(--line);background:#fff}
.mobile-nav a{padding:15px 20px;border-bottom:1px solid var(--line);color:var(--charcoal);font-weight:500;min-height:44px;display:flex;align-items:center}
.mobile-nav.open{display:flex}

/* ---- Hero ---- */
.hero{position:relative;padding:64px 0 0;background:linear-gradient(180deg,#fff 0%,var(--bg-alt) 100%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-bottom:64px}
.hero-copy{max-width:560px}
.hero-lede{font-size:1.12rem;color:var(--charcoal);margin:22px 0 28px;max-width:480px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px}
.hero-points li{position:relative;padding-left:22px;color:var(--muted);font-size:.92rem;font-weight:500}
.hero-points li::before{content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border:2px solid var(--brand);border-radius:50%}

/* signature: blurry -> sharp focus */
.focus-target{
  filter:blur(14px);opacity:.35;
  transition:filter 1.1s var(--ease),opacity 1.1s var(--ease);
}
.focus-target.in-focus{filter:blur(0);opacity:1}

.hero-visual{display:flex;justify-content:center}
.lens-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:8px;
  padding:30px;box-shadow:var(--shadow);
}
.aperture{margin:0 auto}
.aperture-blades path{fill:var(--bg-tint);stroke:var(--brand);stroke-width:1;opacity:.55}
.aperture-pupil{fill:var(--brand)}
.lens-readout{
  display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin-top:20px;
  font-size:.85rem;font-variant-numeric:tabular-nums;color:var(--charcoal);
  border-top:1px solid var(--line);padding-top:16px;
}
.lens-readout span:nth-child(odd){font-weight:700;color:var(--muted)}
.lens-readout .ok{color:var(--brand);font-weight:700}

.hero-rule{height:1px;background:var(--line)}

/* ---- Trust strip ---- */
.trust{background:var(--ink);color:#fff;padding:30px 0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.trust-grid div{display:flex;flex-direction:column;gap:2px}
.trust-grid strong{font-size:1.5rem;font-weight:800;color:#fff}
.trust-grid span{font-size:.85rem;color:#aeb9cc}

/* ---- Services ---- */
.services{background:#fff}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.service-card{
  background:#fff;padding:34px 30px;transition:background .25s var(--ease),transform .25s var(--ease);
  position:relative;
}
.service-card:hover{background:var(--bg-tint)}
.svc-num{font-size:.8rem;font-weight:800;color:var(--brand);letter-spacing:.1em;display:block;margin-bottom:14px}
.service-card h3{margin-bottom:10px}
.service-card p{color:var(--muted);font-size:.96rem}

/* ---- About ---- */
.about{background:var(--bg-alt)}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.about-copy p{color:var(--charcoal);margin-bottom:16px}
.chart-card{
  background:#fff;border:1px solid var(--line);border-radius:8px;
  padding:38px 24px;text-align:center;box-shadow:var(--shadow);
}
.chart-line{display:block;font-weight:800;letter-spacing:.18em;color:var(--ink);line-height:1.5}
.chart-line.l1{font-size:2.6rem}
.chart-line.l2{font-size:2rem}
.chart-line.l3{font-size:1.5rem}
.chart-line.l4{font-size:1.15rem}
.chart-line.l5{font-size:.95rem}
.chart-caption{display:block;margin-top:22px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);font-weight:700}
.check-list{list-style:none;margin:18px 0 26px}
.check-list li{position:relative;padding-left:28px;margin-bottom:10px;color:var(--charcoal)}
.check-list li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}

/* ---- Patients ---- */
.patients{background:#fff}
.patients-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.patient-card{border:1px solid var(--line);border-radius:8px;padding:30px;background:#fff;transition:box-shadow .25s var(--ease)}
.patient-card:hover{box-shadow:var(--shadow)}
.patient-card h3{margin-bottom:14px}
.patient-card p{color:var(--muted)}
.patient-card .check-list{margin:0}

/* ---- Reviews ---- */
.reviews{background:var(--bg-alt)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px;display:flex;flex-direction:column;gap:14px}
.stars{color:var(--brand);letter-spacing:3px;font-size:1.05rem}
.review-card p{color:var(--charcoal);flex:1}
.review-tag{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}
.reviews-note{margin-top:24px;font-size:.82rem;color:var(--muted);text-align:center}

/* ---- Location ---- */
.location{background:#fff}
.location-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.nap{font-style:normal;margin:18px 0 26px;color:var(--charcoal);line-height:1.8}
.nap strong{color:var(--ink)}
.hours h3{margin-bottom:12px}
.hours dl{border-top:1px solid var(--line)}
.hours dl div{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line)}
.hours dt{font-weight:700;color:var(--ink)}
.hours dd{color:var(--charcoal)}
.hours-note{font-size:.82rem;color:var(--muted);margin:12px 0 24px}
.map-card{border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:10/9}

/* ---- Contact ---- */
.contact{background:var(--ink);color:#fff}
.contact h2{color:#fff}
.contact .eyebrow{color:#7fa7ef}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.contact-intro p{color:#c3cdde;margin-bottom:14px}
.contact-call{color:#fff !important;font-weight:600}
.contact-call a{color:#9dbcf5}
.appt-form{background:#fff;border-radius:10px;padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:16px;display:flex;flex-direction:column}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{font-size:.85rem;font-weight:600;color:var(--charcoal);margin-bottom:6px}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:.98rem;color:var(--ink);
  padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;min-height:44px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,87,208,.15);
}
.field textarea{resize:vertical}
.form-status{margin-top:14px;font-weight:600;font-size:.92rem;color:var(--brand);min-height:1.2em}
.form-fineprint{margin-top:10px;font-size:.78rem;color:var(--muted)}

/* ---- Footer ---- */
.site-footer{background:#0d1521;color:#aeb9cc;padding:56px 0 26px}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.logo-footer{color:#fff;margin-bottom:14px}
.logo-footer .logo-mark{color:#7fa7ef}
.footer-brand p{font-size:.92rem;max-width:260px}
.footer-col h4{color:#fff;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.footer-col address{font-style:normal;line-height:1.9;font-size:.92rem}
.footer-col p{font-size:.92rem;line-height:1.9}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a,.footer-brand a{color:#aeb9cc}
.footer-col a:hover,.footer-brand a:hover{color:#fff}
.footer-base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:22px;font-size:.82rem}

/* ---- Mobile sticky CTA ---- */
.mobile-cta{
  display:none;position:fixed;left:16px;right:16px;bottom:16px;z-index:90;
  background:var(--brand);color:#fff;text-align:center;font-weight:700;
  min-height:52px;align-items:center;justify-content:center;border-radius:var(--radius);
  box-shadow:0 8px 24px rgba(22,87,208,.4);
}
.mobile-cta:hover{color:#fff;background:var(--brand-dark)}

/* ---- Reveal animation ---- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:none}

/* ---- Responsive ---- */
@media(max-width:900px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1}
  .about-grid,.location-grid,.contact-grid{grid-template-columns:1fr;gap:34px}
  .service-grid,.patients-grid,.review-grid{grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .section{padding:56px 0}
  .trust-grid{grid-template-columns:1fr 1fr;gap:18px}
  .service-grid,.patients-grid,.review-grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .mobile-cta{display:flex}
  body{padding-bottom:84px}
  .hero-actions .btn{flex:1}
}

/* ---- Reduced motion ---- */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .focus-target{filter:none;opacity:1}
  .reveal{opacity:1;transform:none}
}