/* =========================================================
   Mercy Dental — Modern Clinical rebuild
   Design system: crisp blues, Plus Jakarta Sans display,
   Inter body, soft glass surfaces, tactile cards.
   ========================================================= */

:root{
  --navy:#0a2540;
  --navy-2:#0d2e52;
  --blue:#1d6ff2;
  --blue-600:#155ed6;
  --sky:#38bdf8;
  --cyan:#22d3ee;
  --ice:#eef5ff;
  --ice-2:#f6faff;
  --ink:#102a3e;
  --muted:#5b7488;
  --white:#fff;
  --line:#e2edf6;
  --line-strong:#cfe0ee;
  --amber:#f4a52b;
  --grad:linear-gradient(135deg,#1d6ff2 0%,#38bdf8 100%);
  --grad-deep:linear-gradient(135deg,#0a2540 0%,#155ed6 100%);
  --shadow-sm:0 4px 14px rgba(13,41,64,.06);
  --shadow:0 18px 44px rgba(13,41,64,.12);
  --shadow-lg:0 30px 70px rgba(13,41,64,.18);
  --radius:22px;
  --radius-lg:30px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,calc(100% - 40px));margin:auto}

h1,h2,h3,.logo-word{font-family:"Plus Jakarta Sans","Inter",sans-serif;}
h1{font-size:clamp(2.5rem,5vw,4.4rem);line-height:1.03;margin:.3em 0 .3em;color:var(--navy);letter-spacing:-.035em;font-weight:800}
h2{font-size:clamp(1.9rem,3.4vw,3rem);line-height:1.12;margin:.2em 0 .45em;color:var(--navy);letter-spacing:-.028em;font-weight:800}
h3{line-height:1.25;color:var(--navy);letter-spacing:-.01em;font-weight:700;margin:.2em 0 .4em}
p{margin:0 0 1rem}
.lead{font-size:1.16rem;color:var(--muted);max-width:640px}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:800;color:var(--blue);display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px;display:inline-block}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 24px;border-radius:999px;background:var(--grad);color:#fff;
  font-weight:700;font-size:.98rem;border:0;cursor:pointer;
  box-shadow:0 12px 26px rgba(29,111,242,.28);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(29,111,242,.36);filter:saturate(1.08)}
.btn-outline{background:#fff;color:var(--blue);border:1.5px solid var(--line-strong);box-shadow:none}
.btn-outline:hover{border-color:var(--blue);box-shadow:0 10px 24px rgba(29,111,242,.14)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;box-shadow:none;border:1px solid rgba(255,255,255,.3)}

/* ---------- Top bar ---------- */
.topbar{background:var(--navy);color:#dbe9f6;font-size:.9rem}
.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:10px 0;align-items:center;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}
.topbar a:hover{color:var(--sky)}
.topbar .tb-left{display:inline-flex;align-items:center;gap:8px}
.topbar svg{width:15px;height:15px;flex:none;opacity:.85}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(16px) saturate(1.4);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 30px rgba(13,41,64,.09);border-bottom-color:var(--line);background:rgba(255,255,255,.94)}
.nav{height:80px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo img{width:250px;height:auto;transition:width .3s var(--ease)}
.site-header.scrolled .logo img{width:220px}
.nav-links{display:flex;align-items:center;gap:6px;font-weight:600;font-size:.96rem}
.nav-links>a{padding:9px 14px;border-radius:10px;color:var(--ink);position:relative;transition:color .2s,background .2s}
.nav-links>a:not(.btn):hover{color:var(--blue);background:var(--ice)}
.nav-links>a.active:not(.btn){color:var(--blue)}
.nav-links>a.active:not(.btn)::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--grad);border-radius:2px}
.nav-links .btn{margin-left:8px;padding:11px 20px}
.menu-btn{display:none;border:0;background:var(--ice);width:46px;height:46px;border-radius:12px;cursor:pointer;align-items:center;justify-content:center;padding:0}
.menu-btn span{display:block;width:20px;height:2px;background:var(--navy);position:relative;transition:.3s}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--navy);transition:.3s}
.menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
.menu-btn.open span{background:transparent}
.menu-btn.open span::before{top:0;transform:rotate(45deg)}
.menu-btn.open span::after{top:0;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(60% 90% at 88% 8%,#dcefff 0,transparent 55%),
  radial-gradient(50% 80% at 0% 100%,#e9f3ff 0,transparent 60%),
  linear-gradient(180deg,#f6faff 0%,#fff 100%);
  padding:70px 0 84px}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:56px}
.hero-copy{position:relative;z-index:2}
.hero .lead{margin-top:6px}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:30px;font-size:.95rem;font-weight:600;color:#3a5a72}
.trust-row span{display:inline-flex;align-items:center;gap:8px}
.trust-row span::before{content:"";width:20px;height:20px;border-radius:50%;background:var(--ice);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6ff2' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:13px;background-repeat:no-repeat;background-position:center;flex:none}

.hero-media{position:relative;z-index:1}
.hero-media .frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3.4;background:#dbeafe}
.hero-media .frame img{width:100%;height:100%;object-fit:cover}
.hero-media::before{content:"";position:absolute;inset:auto -30px -34px auto;width:180px;height:180px;border-radius:40px;background:var(--grad);opacity:.14;filter:blur(6px);z-index:-1}
.floating-card{position:absolute;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:14px 16px;display:flex;align-items:center;gap:12px}
.floating-card .fc-ic{width:40px;height:40px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;flex:none}
.floating-card strong{display:block;font-size:.95rem;color:var(--navy);font-family:"Plus Jakarta Sans"}
.floating-card span{font-size:.78rem;color:var(--muted)}
.fc-rating{top:22px;left:-26px}
.fc-hours{bottom:26px;right:-22px}
@media(max-width:1040px){.fc-rating{left:8px}.fc-hours{right:8px}}

/* ---------- Stat strip ---------- */
.stat-strip{background:var(--grad-deep);color:#fff;position:relative;overflow:hidden}
.stat-strip::after{content:"";position:absolute;inset:0;background:radial-gradient(40% 120% at 90% -20%,rgba(56,189,248,.35),transparent 60%);pointer-events:none}
.stats{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;padding:40px 0;position:relative;z-index:1}
.stat{padding:6px 10px}
.stat strong{display:block;font-size:2rem;font-family:"Plus Jakarta Sans";font-weight:800;letter-spacing:-.02em}
.stat span{opacity:.82;font-size:.9rem}
.stat+.stat{border-left:1px solid rgba(255,255,255,.14)}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section-soft{background:var(--ice-2)}
.section-tint{background:var(--ice)}
.section-head{max-width:720px;margin-bottom:46px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}

/* ---------- Grids & cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:36px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--line-strong)}
.service-card{position:relative;overflow:hidden}
.service-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.service-card:hover::before{transform:scaleX(1)}
.icon{width:58px;height:58px;border-radius:16px;background:linear-gradient(135deg,#e7f3ff,#d5ecff);display:grid;place-items:center;font-size:1.6rem;margin-bottom:20px;box-shadow:inset 0 0 0 1px rgba(29,111,242,.08)}
.service-card p{color:var(--muted)}
.service-card .more{color:var(--blue);font-weight:700;display:inline-flex;align-items:center;gap:6px;transition:gap .25s var(--ease)}
.service-card:hover .more{gap:11px}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.photo{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);min-height:460px;position:relative}
.photo img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.doctor-photo{aspect-ratio:4/5;min-height:0}
.doctor-photo img{object-position:center 42%}

/* ---------- Testimonials ---------- */
.quote{font-size:1.06rem;color:#33506a;font-style:italic}
.stars{color:var(--amber);letter-spacing:3px;font-size:1.05rem;margin-bottom:10px}
.review-author{display:flex;align-items:center;gap:12px;margin-top:16px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-family:"Plus Jakarta Sans";flex:none}
.review-author strong{color:var(--navy);font-family:"Plus Jakarta Sans"}
.review-author span{display:block;font-size:.82rem;color:var(--muted);font-weight:500}

/* ---------- CTA ---------- */
.cta{background:var(--grad-deep);color:#fff;border-radius:var(--radius-lg);padding:60px;display:flex;justify-content:space-between;gap:34px;align-items:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.4),transparent 65%)}
.cta h2{color:#fff;margin:0}
.cta p{color:#cfe4fb;margin:.5rem 0 0}
.cta .cta-body{position:relative;z-index:1}
.cta .btn{background:#fff;color:var(--blue);position:relative;z-index:1}

/* ---------- Page hero (inner) ---------- */
.page-hero{padding:64px 0 60px;background:
  radial-gradient(50% 120% at 88% 0%,#d9edff 0,transparent 45%),
  linear-gradient(180deg,#f6faff,#fff)}
.breadcrumbs{color:var(--muted);font-size:.88rem;margin-bottom:14px;font-weight:600}
.breadcrumbs a:hover{color:var(--blue)}
.content h2{margin-top:1.6em}
.content h2:first-child{margin-top:0}
.content ul{padding-left:0;list-style:none;margin:0 0 1rem}
.content ul li{position:relative;padding:8px 0 8px 30px;border-bottom:1px solid var(--line)}
.content ul li::before{content:"";position:absolute;left:0;top:15px;width:18px;height:18px;border-radius:50%;
  background:var(--ice) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6ff2' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat}

/* service quick-list */
.service-list{columns:2;column-gap:40px}
.service-list a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-weight:600;transition:color .2s,padding .2s}
.service-list a:hover{color:var(--blue);padding-left:6px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.info-block{margin-bottom:22px}
.info-block .lbl{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--blue);font-weight:800;margin-bottom:4px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font-size:.85rem;font-weight:600;color:var(--navy)}
.form .full{grid-column:1/-1}
.form input,.form select,.form textarea{width:100%;margin-top:6px;padding:13px 15px;border:1.5px solid var(--line-strong);border-radius:13px;font:inherit;background:#fbfdff;transition:border-color .2s,box-shadow .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(29,111,242,.12);background:#fff}
.form textarea{min-height:130px;resize:vertical}
.notice{font-size:.8rem;color:var(--muted);margin-top:10px}

/* ---------- Badges / alert ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--ice);color:var(--blue-600);padding:8px 14px;border-radius:99px;font-size:.82rem;font-weight:700;margin:4px 6px 4px 0;border:1px solid var(--line-strong)}
.badge-row{margin-top:20px}
.alert{background:#fff8ec;border:1px solid #f6dfae;border-left:4px solid var(--amber);padding:16px 20px;border-radius:14px;color:#7a5a1e;font-size:.95rem}
.offer-card{border:1px dashed var(--line-strong);background:linear-gradient(135deg,#f6faff,#fff)}
.offer-card h3{color:var(--blue-600)}
.price-tag{font-family:"Plus Jakarta Sans";font-weight:800;font-size:2rem;color:var(--navy);letter-spacing:-.02em}

/* ---------- FAQ / feature pill lists ---------- */
.pill-list{display:flex;flex-wrap:wrap;gap:10px}
.pill{background:#fff;border:1px solid var(--line);border-radius:99px;padding:9px 16px;font-weight:600;font-size:.9rem;box-shadow:var(--shadow-sm)}

/* ---------- Footer ---------- */
footer{background:var(--navy);color:#c6d8e8;padding:70px 0 24px;position:relative}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr 1fr;gap:40px}
.footer-logo{width:210px;background:#fff;padding:12px 16px;border-radius:14px;margin-bottom:14px}
.footer-title{color:#fff;font-weight:800;margin-bottom:14px;font-family:"Plus Jakarta Sans";font-size:.95rem;letter-spacing:.02em}
.footer-links a{display:block;padding:6px 0;color:#a9c1d6;transition:color .2s,padding .2s}
.footer-links a:hover{color:#fff;padding-left:5px}
footer p{color:#a9c1d6}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:20px;font-size:.84rem;color:#83a0b8;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- Sticky book bar ---------- */
.bookbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  background:rgba(255,255,255,.9);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);box-shadow:0 -10px 30px rgba(13,41,64,.1);
  transform:translateY(120%);transition:transform .4s var(--ease);
}
.bookbar.show{transform:translateY(0)}
.bookbar .inner{display:flex;align-items:center;gap:16px;padding:12px 0}
.bookbar .bb-text{flex:1;min-width:0}
.bookbar .bb-text strong{display:block;color:var(--navy);font-family:"Plus Jakarta Sans";font-size:1rem;line-height:1.2}
.bookbar .bb-text span{font-size:.84rem;color:var(--muted)}
.bookbar .btn{padding:12px 20px}
.bb-call{display:none}

/* ---------- Reveal animation ---------- */
/* Progressive enhancement: content is fully visible by default.
   Elements only pre-hide once JS marks the document ready (html.js),
   so if scripts don't run, nothing is ever stuck invisible. */
@keyframes revealRise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes revealSafety{to{opacity:1}}
html.js .reveal{opacity:0;animation:revealSafety .01s linear 3s forwards}
html.js .reveal.in{opacity:1;animation:revealRise .7s var(--ease) both}
html.js .reveal.in.d1{animation-delay:.08s}
html.js .reveal.in.d2{animation-delay:.16s}
html.js .reveal.in.d3{animation-delay:.24s}
@media(prefers-reduced-motion:reduce){html.js .reveal,html.js .reveal.in{opacity:1;animation:none}}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .nav-links{display:none;position:absolute;top:80px;left:0;right:0;background:#fff;padding:16px;flex-direction:column;align-items:stretch;gap:2px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links>a{padding:14px}
  .nav-links .btn{margin:8px 0 0}
  .menu-btn{display:flex}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .hero-grid{gap:40px}
  .hero-media{max-width:560px;margin:0 auto}
  .grid-3{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr;gap:26px}
  .stat:nth-child(3){border-left:0}
  .stat+.stat{border-left:1px solid rgba(255,255,255,.14)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta{flex-direction:column;align-items:flex-start;padding:44px 34px}
  .photo{min-height:380px}
}
@media(max-width:600px){
  .topbar{font-size:.82rem}
  .topbar .tb-ri