/* ===========================================================
   Dr.Cloud Dentistry — Design tokens
   =========================================================== */
:root{
  --ink:        #10262A;
  --ink-soft:   #3B5459;
  --cloud:      #F7FBFA;
  --cloud-dim:  #EEF4F2;
  --panel:      #FFFFFF;
  --teal:       #0F5C56;
  --teal-deep:  #0A403C;
  --teal-mid:   #16746C;
  --sky:        #BFE3E0;
  --sky-soft:   #DCEFED;
  --blush:      #F3DDD3;
  --gold:       #B8912B;
  --line:       rgba(16,38,42,0.12);
  --line-soft:  rgba(16,38,42,0.07);

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius-card: 34px 34px 10px 10px;
  --radius-card-sm: 22px 22px 8px 8px;
  --shadow-soft: 0 20px 50px -25px rgba(10,64,60,0.35);
  --shadow-lift: 0 30px 70px -30px rgba(10,64,60,0.45);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--cloud);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
.wrap{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 640px){
  .wrap{ padding: 0 20px; }
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 560;
  line-height: 1.08;
  margin: 0;
  color: var(--teal-deep);
  letter-spacing: -0.01em;
}
p{ margin: 0; }

.eyebrow{
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content:"";
  width: 22px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}

.underline-arc{
  position: relative;
  display: inline-block;
}
.underline-arc svg{
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 12px;
}

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  padding: 15px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--teal);
  color: var(--cloud);
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover{ background: var(--teal-deep); transform: translateY(-2px); }
.btn-ghost{
  background: transparent;
  border-color: var(--line);
  color: var(--teal-deep);
}
.btn-ghost:hover{ border-color: var(--teal); background: var(--sky-soft); }
.btn-on-dark{
  background: var(--cloud);
  color: var(--teal-deep);
}
.btn-on-dark:hover{ background: var(--sky); transform: translateY(-2px); }

/* ===========================================================
   Header / Nav
   =========================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,251,250,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 18px 32px;
  max-width: 1180px;
  margin: 0 auto;
}
.logo{
  display:flex;
  align-items:center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--teal-deep);
}
.logo .mark{
  width: 34px; height: 34px;
  flex-shrink:0;
}
.nav-links{
  display:flex;
  align-items:center;
  gap: 34px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color .2s ease;
}
.nav-links a:hover{ color: var(--teal); }
.nav-cta{ display:flex; align-items:center; gap:18px; }
.nav-toggle{ display:none; }

@media (max-width: 860px){
  .nav-links{ display:none; }
  .nav-cta .btn-ghost{ display:none; }
}

/* ===========================================================
   Hero
   =========================================================== */
.hero{
  position: relative;
  padding: 76px 0 40px;
  overflow: hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items:center;
}
.hero-copy h1{
  font-size: clamp(36px, 4.6vw, 58px);
  margin-top: 18px;
}
.hero-copy p.lede{
  margin-top: 22px;
  max-width: 480px;
  font-size: 17.5px;
  color: var(--ink-soft);
}
.hero-actions{
  display:flex;
  gap: 16px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.hero-meta{
  margin-top: 40px;
  display:flex;
  gap: 28px;
  flex-wrap: wrap;
}
.hero-meta div{ display:flex; flex-direction:column; gap:2px; }
.hero-meta strong{ font-family: var(--font-display); font-size: 24px; color: var(--teal-deep); }
.hero-meta span{ font-size: 12.5px; color: var(--ink-soft); letter-spacing:.02em; }

.hero-visual{
  position: relative;
  aspect-ratio: 1/1.05;
}
.hero-arc-bg{
  position:absolute; inset:0;
  border-radius: 60% 40% 55% 45% / 55% 60% 40% 45%;
  background: linear-gradient(150deg, var(--teal) 0%, var(--teal-deep) 100%);
  box-shadow: var(--shadow-lift);
}
.hero-card{
  position:absolute;
  background: var(--panel);
  border-radius: var(--radius-card-sm);
  box-shadow: var(--shadow-soft);
  padding: 18px 20px;
  display:flex;
  align-items:center;
  gap: 12px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--teal-deep);
}
.hero-card.card-a{ top: 8%; left: -6%; }
.hero-card.card-b{ bottom: 10%; right: -8%; }
.hero-card svg{ flex-shrink:0; }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ order:-1; max-width: 340px; margin: 0 auto; }
  .hero-card.card-a{ left: 0; }
  .hero-card.card-b{ right: 0; }
}

/* ===========================================================
   Trust strip
   =========================================================== */
.trust-strip{
  background: var(--teal-deep);
  color: var(--sky-soft);
  padding: 20px 0;
}
.trust-strip .wrap{
  display:flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 40px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.trust-strip span{ opacity: .92; }
.trust-strip .dot{ opacity:.5; }

/* ===========================================================
   Section shell
   =========================================================== */
section{ padding: 96px 0; }
.section-head{
  max-width: 620px;
  margin-bottom: 52px;
}
.section-head h2{
  font-size: clamp(28px, 3.2vw, 40px);
  margin-top: 16px;
}
.section-head p{
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 16.5px;
}
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ===========================================================
   Founders
   =========================================================== */
.founders{ background: var(--panel); }
.founder-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.founder-card{
  background: var(--cloud);
  border-radius: var(--radius-card);
  padding: 40px;
  border: 1px solid var(--line-soft);
}
.founder-photo{
  width: 84px; height: 84px;
  border-radius: 50% 50% 40% 50%;
  background: linear-gradient(145deg, var(--sky), var(--teal-mid));
  display:flex;
  align-items:center;
  justify-content:center;
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--cloud);
  margin-bottom: 22px;
}
.founder-card h3{ font-size: 21px; }
.founder-role{
  display:block;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--gold);
}
.founder-card p.bio{
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 15px;
}

@media (max-width: 760px){
  .founder-grid{ grid-template-columns: 1fr; }
}

/* ===========================================================
   Services
   =========================================================== */
.services{ background: var(--cloud-dim); }
.service-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card{
  background: var(--panel);
  border-radius: var(--radius-card-sm);
  padding: 30px 26px;
  border: 1px solid var(--line-soft);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card:hover{
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
  border-color: transparent;
}
.service-icon{
  width: 46px; height:46px;
  border-radius: 50% 50% 42% 50%;
  background: var(--sky-soft);
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 18px;
}
.service-card h3{
  font-size: 17.5px;
  font-weight: 600;
}
.service-card p{
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--ink-soft);
}

@media (max-width: 900px){
  .service-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px){
  .service-grid{ grid-template-columns: 1fr; }
}

/* ===========================================================
   Difference
   =========================================================== */
.difference{
  background: var(--teal-deep);
  color: var(--sky-soft);
}
.difference .section-head h2{ color: var(--cloud); }
.difference .section-head p{ color: var(--sky-soft); opacity: .85; }
.difference .eyebrow{ color: var(--sky); }
.difference .eyebrow::before{ background: var(--gold); }

.diff-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 40px;
}
.diff-item{
  display:flex;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid rgba(220,239,237,0.18);
}
.diff-index{
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--gold);
  flex-shrink:0;
  width: 30px;
}
.diff-item h3{
  color: var(--cloud);
  font-size: 16.5px;
  font-weight: 600;
  margin-bottom: 6px;
}
.diff-item p{ font-size: 14px; color: var(--sky-soft); opacity: .85; }

@media (max-width: 760px){
  .diff-grid{ grid-template-columns: 1fr; }
}

/* ===========================================================
   CTA band
   =========================================================== */
.cta-band{
  background: var(--panel);
  padding: 0 0 96px;
}
.cta-panel{
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-deep) 100%);
  border-radius: var(--radius-card);
  padding: 64px 56px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  color: var(--cloud);
  box-shadow: var(--shadow-lift);
}
.cta-panel h2{ color: var(--cloud); font-size: clamp(26px, 3vw, 34px); max-width: 480px; }
.cta-panel p{ margin-top: 12px; color: var(--sky-soft); max-width: 420px; }
.cta-actions{ display:flex; gap: 14px; flex-wrap: wrap; }

/* ===========================================================
   Footer
   =========================================================== */
.site-footer{
  background: var(--ink);
  color: var(--sky-soft);
  padding: 64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(220,239,237,0.12);
}
.footer-brand .logo{ color: var(--cloud); }
.footer-brand p{
  margin-top: 14px;
  font-size: 14px;
  color: var(--sky-soft);
  opacity: .75;
  max-width: 320px;
}
.footer-col h4{
  font-family: var(--font-body);
  color: var(--cloud);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap: 12px; }
.footer-col a, .footer-col span{
  font-size: 14.5px;
  color: var(--sky-soft);
  opacity: .82;
  transition: opacity .2s ease;
}
.footer-col a:hover{ opacity: 1; }
.footer-bottom{
  padding-top: 24px;
  display:flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--sky-soft);
  opacity: .6;
}

@media (max-width: 760px){
  .footer-grid{ grid-template-columns: 1fr; }
}

/* ===========================================================
   Legal pages (Terms / Privacy / Cookies)
   =========================================================== */
.legal-hero{
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--line-soft);
}
.legal-hero h1{ font-size: clamp(32px, 4vw, 46px); margin-top: 16px; }
.legal-hero .updated{
  display:block;
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--ink-soft);
}
.legal-body{
  padding: 56px 0 100px;
}
.legal-layout{
  display:grid;
  grid-template-columns: 260px 1fr;
  gap: 64px;
  align-items:start;
}
.legal-toc{
  position: sticky;
  top: 100px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card-sm);
  padding: 24px;
}
.legal-toc h4{
  font-size: 12px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color: var(--teal);
  margin: 0 0 14px;
}
.legal-toc ol{ margin:0; padding-left: 18px; display:flex; flex-direction:column; gap:10px; }
.legal-toc a{ font-size: 13.5px; color: var(--ink-soft); }
.legal-toc a:hover{ color: var(--teal); }

.legal-content section{ padding: 0 0 40px; }
.legal-content h2{
  font-size: 21px;
  padding-top: 8px;
  scroll-margin-top: 100px;
}
.legal-content h2 .num{ color: var(--gold); margin-right: 10px; }
.legal-content p{ margin-top: 14px; color: var(--ink-soft); font-size: 15.5px; }
.legal-content ul{ margin: 14px 0 0; padding-left: 20px; color: var(--ink-soft); font-size: 15.5px; display:flex; flex-direction:column; gap:8px; }
.legal-content strong{ color: var(--ink); }
.legal-note{
  margin-top: 40px;
  padding: 22px 26px;
  background: var(--sky-soft);
  border-radius: var(--radius-card-sm);
  font-size: 14px;
  color: var(--teal-deep);
}

@media (max-width: 900px){
  .legal-layout{ grid-template-columns: 1fr; }
  .legal-toc{ position: static; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; scroll-behavior: auto !important; }
}