/* ============================================================
   Riverside Dental — shared stylesheet
   Sample build. Hand-coded, no frameworks, no external requests.
   ============================================================ */

:root{
  --ink:#0c1b2a;
  --ink2:#2c4055;
  --muted:#63788f;
  --line:#e2e9f1;
  --line2:#d3dce7;
  --bg:#ffffff;
  --soft:#f5f8fc;
  --soft2:#eaf1f9;

  --brand:#1a6fd4;
  --brand-d:#12539f;
  --brand-l:#eaf3fe;
  --accent:#0f9d8c;
  --warn:#e08c1a;

  --radius:14px;
  --shadow:0 10px 30px rgba(12,27,42,.08);
  --shadow-lg:0 22px 50px rgba(12,27,42,.14);
  --wrap:1140px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.022em;line-height:1.18;font-weight:800;}
p{margin:0;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 26px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 27px;border-radius:10px;font-size:16px;font-weight:700;
  text-decoration:none;border:1.5px solid transparent;cursor:pointer;
  font-family:inherit;transition:.16s;white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(26,111,212,.28);}
.btn--primary:hover{background:var(--brand-d);transform:translateY(-1px);}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line2);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn--light{background:#fff;color:var(--ink);}
.btn--light:hover{background:var(--soft2);}
.btn--sm{padding:11px 20px;font-size:14.5px;}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.hdr .wrap{display:flex;align-items:center;height:72px;gap:28px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.025em;text-decoration:none;}
.logo .mark{
  width:32px;height:32px;border-radius:9px;flex:none;
  background:linear-gradient(140deg,var(--brand),#3f95e8);
  position:relative;
}
.logo .mark::after{
  content:"";position:absolute;left:9px;top:8px;width:14px;height:16px;
  border-radius:7px 7px 3px 3px;background:#fff;opacity:.94;
}
.logo em{font-style:normal;color:var(--brand);}
.menu{margin-left:auto;display:flex;gap:29px;font-size:15.5px;font-weight:600;color:var(--ink2);}
.menu a{text-decoration:none;padding:6px 0;border-bottom:2px solid transparent;transition:.15s;}
.menu a:hover{color:var(--brand);}
.menu a.on{color:var(--brand);border-bottom-color:var(--brand);}
.hdr .btn{margin-left:4px;}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1.5px solid var(--line2);
  border-radius:10px;background:#fff;cursor:pointer;position:relative;}
.burger i{position:absolute;left:12px;width:20px;height:2px;background:var(--ink);border-radius:2px;}
.burger i:nth-child(1){top:15px;}
.burger i:nth-child(2){top:21px;}
.burger i:nth-child(3){top:27px;}

@media (max-width:900px){
  .menu,.hdr .btn.desk{display:none;}
  .burger{display:block;}
}

/* ---------- hero ---------- */
.hero{padding:70px 0 84px;background:linear-gradient(165deg,#f7fbff 0%,#eef5fd 55%,#e9f2fc 100%);overflow:hidden;position:relative;}
.hero::after{
  content:"";position:absolute;right:-160px;top:-180px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(26,111,212,.13),rgba(26,111,212,0) 68%);
}
.hero .wrap{display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center;position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;background:#fff;border:1.5px solid #cfe2fa;
  color:var(--brand-d);font-size:13.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:8px 16px;border-radius:999px;margin-bottom:24px;
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--accent);}
.hero h1{font-size:52px;letter-spacing:-.032em;}
.hero h1 em{font-style:normal;color:var(--brand);display:block;}
.hero .lede{margin-top:22px;font-size:19px;color:var(--ink2);max-width:31em;}
.hero .cta-row{display:flex;gap:13px;margin-top:32px;flex-wrap:wrap;}
.hero .proof{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap;}
.hero .proof div{font-size:14.5px;color:var(--muted);}
.hero .proof b{display:block;font-size:23px;color:var(--ink);letter-spacing:-.02em;}

/* ---------- photo blocks (gradient art) ---------- */
.ph{border-radius:18px;position:relative;overflow:hidden;background:linear-gradient(150deg,#cfe3fb,#8fb9e8);}
.ph::after{content:"";position:absolute;left:-16%;bottom:-26%;width:74%;height:74%;border-radius:50%;background:rgba(255,255,255,.34);}
.ph::before{content:"";position:absolute;right:-14%;top:-20%;width:56%;height:56%;border-radius:50%;background:rgba(255,255,255,.26);}
.ph--wide{aspect-ratio:16/10;}
.ph--tall{aspect-ratio:4/5;}
.ph--square{aspect-ratio:1/1;}
.ph--teal{background:linear-gradient(150deg,#c6ece5,#7cc9bb);}
.ph--sand{background:linear-gradient(150deg,#f4e4cd,#dcb888);}
.ph--slate{background:linear-gradient(150deg,#d6dfe9,#93a7bd);}

.hero .ph{border-radius:20px;box-shadow:var(--shadow-lg);}
.hero-badge{
  position:absolute;left:-26px;bottom:34px;background:#fff;border-radius:14px;
  padding:15px 20px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:13px;z-index:3;
}
.hero-badge .dot{width:40px;height:40px;border-radius:11px;background:var(--accent);flex:none;position:relative;}
.hero-badge .dot::after{content:"";position:absolute;left:13px;top:10px;width:6px;height:12px;
  border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg);}
.hero-badge b{display:block;font-size:15px;line-height:1.3;}
.hero-badge span{font-size:13px;color:var(--muted);}

@media (max-width:900px){
  .hero{padding:46px 0 60px;}
  .hero .wrap{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:36px;}
  .hero .lede{font-size:17.5px;}
  .hero-badge{left:12px;bottom:12px;}
}

/* ---------- generic section ---------- */
.sec{padding:82px 0;}
.sec--soft{background:var(--soft);}
.sec--tight{padding:64px 0;}
.sec-head{max-width:37em;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head .kicker{font-size:13.5px;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:var(--brand);margin-bottom:12px;}
.sec-head h2{font-size:37px;}
.sec-head p{margin-top:14px;font-size:18px;color:var(--muted);}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:22px;}
.grid--2{grid-template-columns:repeat(2,1fr);}
.grid--3{grid-template-columns:repeat(3,1fr);}
.grid--4{grid-template-columns:repeat(4,1fr);}
@media (max-width:900px){
  .grid--3,.grid--4{grid-template-columns:1fr 1fr;}
  .grid--2{grid-template-columns:1fr;}
}
@media (max-width:600px){ .grid--3,.grid--4{grid-template-columns:1fr;} }

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:.18s;}
.card:hover{border-color:#c6d8ee;box-shadow:var(--shadow);transform:translateY(-2px);}
.card .ic{width:46px;height:46px;border-radius:12px;background:var(--brand-l);margin-bottom:17px;position:relative;}
.card .ic::after{content:"";position:absolute;left:14px;top:14px;width:18px;height:18px;border-radius:5px;background:var(--brand);}
.card h3{font-size:19px;margin-bottom:9px;}
.card p{color:var(--muted);font-size:15.5px;}
.card .price{margin-top:15px;font-size:14.5px;font-weight:700;color:var(--brand-d);}

.sec--soft .card{background:#fff;}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center;}
@media (max-width:900px){ .split{grid-template-columns:1fr;gap:34px;} }
.split h2{font-size:34px;}
.split .body p{margin-top:16px;color:var(--ink2);font-size:17px;}
.checklist{list-style:none;padding:0;margin:24px 0 0;}
.checklist li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px;font-size:16px;color:var(--ink2);}
.checklist .tk{width:22px;height:22px;border-radius:50%;background:var(--brand-l);flex:none;position:relative;margin-top:2px;}
.checklist .tk::after{content:"";position:absolute;left:7.5px;top:4.5px;width:5px;height:10px;
  border:solid var(--brand);border-width:0 2.4px 2.4px 0;transform:rotate(45deg);}

/* ---------- stats band ---------- */
.band{background:var(--ink);color:#fff;border-radius:20px;padding:46px 44px;}
.band .grid--4{gap:34px;}
.band b{display:block;font-size:38px;letter-spacing:-.03em;}
.band span{font-size:15px;color:#9fb3c8;}
@media (max-width:900px){ .band{padding:34px 26px;} .band b{font-size:30px;} }

/* ---------- testimonials ---------- */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;height:100%;display:flex;flex-direction:column;}
.quote .stars{color:var(--warn);font-size:17px;letter-spacing:2px;margin-bottom:14px;}
.quote p{color:var(--ink2);font-size:16px;flex:1;}
.quote .who{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:14.5px;}
.quote .who b{display:block;}
.quote .who span{color:var(--muted);}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(140deg,#0c1b2a,#154066);
  border-radius:20px;padding:54px 48px;color:#fff;
  display:flex;align-items:center;gap:36px;flex-wrap:wrap;justify-content:space-between;
}
.cta-band h2{font-size:31px;color:#fff;}
.cta-band p{color:#9fb3c8;margin-top:12px;font-size:17px;max-width:34em;}
@media (max-width:900px){ .cta-band{padding:36px 26px;} .cta-band h2{font-size:25px;} }

/* ---------- contact / form ---------- */
.form{display:grid;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink2);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line2);border-radius:10px;
  font-family:inherit;font-size:15.5px;color:var(--ink);background:#fff;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,111,212,.13);}
.field textarea{min-height:118px;resize:vertical;}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:600px){ .form .row{grid-template-columns:1fr;} }
.form .note{font-size:13.5px;color:var(--muted);}

.info-list{list-style:none;padding:0;margin:0;}
.info-list li{padding:17px 0;border-bottom:1px solid var(--line);display:flex;gap:15px;}
.info-list li:last-child{border-bottom:0;}
.info-list .ic{width:42px;height:42px;border-radius:11px;background:var(--brand-l);flex:none;position:relative;}
.info-list .ic::after{content:"";position:absolute;left:13px;top:13px;width:16px;height:16px;border-radius:50%;background:var(--brand);}
.info-list b{display:block;font-size:15.5px;}
.info-list span{color:var(--muted);font-size:15px;}

/* ---------- hours table ---------- */
.hours{width:100%;border-collapse:collapse;font-size:15.5px;}
.hours th,.hours td{text-align:left;padding:12px 0;border-bottom:1px solid var(--line);}
.hours tr:last-child td{border-bottom:0;}
.hours td:last-child{text-align:right;font-weight:700;color:var(--ink2);}
.hours .closed{color:var(--muted);font-weight:500;}

/* ---------- footer ---------- */
.ftr{background:#0a1520;color:#93a7bc;padding:58px 0 34px;margin-top:0;}
.ftr .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px;}
@media (max-width:900px){ .ftr .cols{grid-template-columns:1fr 1fr;gap:30px;} }
@media (max-width:560px){ .ftr .cols{grid-template-columns:1fr;} }
.ftr h4{color:#fff;font-size:14.5px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:16px;font-weight:700;}
.ftr a{text-decoration:none;font-size:15px;display:block;margin-bottom:10px;transition:.15s;}
.ftr a:hover{color:#fff;}
.ftr .about{font-size:15px;line-height:1.75;max-width:26em;}
.ftr .logo{color:#fff;margin-bottom:14px;}
.ftr .bottom{margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;gap:14px;flex-wrap:wrap;font-size:14px;color:#6d8199;}
.ftr .bottom .r{margin-left:auto;}

/* ---------- page hero (inner pages) ---------- */
.phero{background:linear-gradient(165deg,#f7fbff,#eaf2fc);padding:52px 0 56px;border-bottom:1px solid var(--line);}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:14px;}
.crumbs a{text-decoration:none;color:var(--brand);}
.phero h1{font-size:42px;max-width:20em;}
.phero p{margin-top:16px;font-size:18px;color:var(--ink2);max-width:38em;}
@media (max-width:900px){ .phero h1{font-size:31px;} .phero{padding:36px 0 40px;} }

/* ---------- misc ---------- */
.tier{background:#fff;border:1.5px solid var(--line);border-radius:var(--radius);padding:30px 26px;display:flex;flex-direction:column;}
.tier.hot{border-color:var(--brand);box-shadow:0 20px 44px rgba(26,111,212,.16);}
.tier .nm{font-size:13.5px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);}
.tier.hot .nm{color:var(--brand);}
.tier .amt{font-size:40px;font-weight:800;letter-spacing:-.03em;margin:10px 0 4px;}
.tier .amt s{text-decoration:none;font-size:19px;vertical-align:20px;}
.tier .sub{color:var(--muted);font-size:15px;padding-bottom:20px;border-bottom:1px solid var(--line);}
.tier ul{list-style:none;padding:0;margin:20px 0 26px;flex:1;}
.tier li{font-size:15.5px;color:var(--ink2);margin-bottom:11px;padding-left:26px;position:relative;}
.tier li::before{content:"";position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:4px;background:var(--brand-l);}
.tier li::after{content:"";position:absolute;left:5.5px;top:8px;width:4px;height:8px;
  border:solid var(--brand);border-width:0 2px 2px 0;transform:rotate(45deg);}

.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{cursor:pointer;padding:22px 0;font-size:18px;font-weight:700;list-style:none;display:flex;gap:16px;align-items:flex-start;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";margin-left:auto;font-size:24px;color:var(--brand);line-height:1;font-weight:400;}
.faq details[open] summary::after{content:"–";}
.faq details p{padding:0 0 24px;color:var(--muted);font-size:16px;max-width:58em;}