:root{
    box-sizing: border-box;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);

    --ink:#06172E;
    --ink-soft:#24395A;
    --body-text:#4A5A73;
    --clay:#06172E;
    --clay-dark:#12335F;
    --blush:#FFF9DB;
    --blush-deep:#FFF0A6;
    --cream:#FFFEF6;
    --gold:#FFD60A;
    --gold-soft:#FFE873;
    --white:#FFFFFF;
    --line:#F1E6B0;
    --shadow: 0 18px 40px -20px rgba(6,23,46,0.4);
  }
  html{ scroll-padding-top: env(safe-area-inset-top, 0px); scroll-behavior:smooth; }
  *,*::before,*::after{ box-sizing: inherit; }

  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --ink:#F7F1DC;
      --ink-soft:#E8DFC0;
      --body-text:#B9C2D2;
      --clay:#2F5597;
      --clay-dark:#A9C3F0;
      --blush:#0B2140;
      --blush-deep:#102B50;
      --cream:#06172E;
      --gold:#FFD60A;
      --gold-soft:#C9A800;
      --white:#0B2140;
      --line:#1E3A63;
      --shadow: 0 18px 40px -20px rgba(0,0,0,0.6);
    }
  }
  :root[data-theme="dark"]{
    --ink:#F7F1DC;
    --ink-soft:#E8DFC0;
    --body-text:#B9C2D2;
    --clay:#2F5597;
    --clay-dark:#A9C3F0;
    --blush:#0B2140;
    --blush-deep:#102B50;
    --cream:#06172E;
    --gold:#FFD60A;
    --gold-soft:#C9A800;
    --white:#0B2140;
    --line:#1E3A63;
    --shadow: 0 18px 40px -20px rgba(0,0,0,0.6);
  }

  html,body{ height:auto; }
  body{
    margin:0;
    background: var(--cream);
    color: var(--body-text);
    font-family:"Inria Sans", sans-serif;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; }
  h1,h2,h3,h4{
    font-family:"Belleza", serif;
    font-weight:400;
    color:var(--ink);
    margin:0 0 0.5em;
    line-height:1.15;
    letter-spacing:0.2px;
  }
  p{ margin:0 0 1em; }
  .container{
    width:100%;
    max-width:1180px;
    margin:0 auto;
    padding:0 24px;
  }
  .overflow-x{ overflow-x:auto; }

  /* Buttons */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:15px 30px;
    border-radius:100px;
    font-family:"Inria Sans", sans-serif;
    font-weight:700;
    font-size:15px;
    letter-spacing:0.3px;
    cursor:pointer;
    border:1px solid transparent;
    transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
    white-space:nowrap;
  }
  .btn:active{ transform: translateY(1px); }
  .btn-primary{ background:var(--clay); color:#fff; }
  .btn-primary:hover{ background:var(--clay-dark); }
  .btn-outline{ background:transparent; color:var(--ink); border-color: var(--ink); }
  .btn-outline:hover{ background:var(--ink); color:var(--cream); }
  .btn-block{ width:100%; }

  .eyebrow{
    font-family:"Inria Sans", sans-serif;
    font-weight:700;
    font-size:13px;
    color:var(--clay-dark);
    margin:0 0 10px;
  }

  /* Header */
  header.site{
    position:sticky; top:0; z-index:50;
    background: var(--cream);
    border-bottom:1px solid var(--line);
    padding-top: env(safe-area-inset-top, 0px);
  }
  .header-row{
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 0;
    gap:16px;
  }
  .logo{ display:flex; align-items:center; gap:10px; }
  .logo img{ height:44px; width:auto; }
  .header-cta{ display:flex; align-items:center; gap:18px; }
  .header-phone{ display:flex; align-items:center; gap:8px; font-weight:700; color:var(--ink); font-size:15px; }
  .header-phone svg{ width:18px; height:18px; flex:none; }
  @media (max-width: 640px){
    .header-phone-text{ display:none; }
  }

  /* Hero */
  .hero{
    background: radial-gradient(1200px 500px at 85% -10%, var(--blush) 0%, transparent 60%), var(--cream);
    padding: 56px 0 70px;
  }
  .hero-grid{
    display:grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap:56px;
    align-items:start;
  }
  @media (max-width: 900px){
    .hero-grid{ grid-template-columns:1fr; gap:36px; }
  }
  .hero h1{ font-size:46px; max-width:20ch; }
  .hero .lede{ font-size:18px; max-width:46ch; color:var(--body-text); }
  .hero-cta-row{ display:flex; flex-wrap:wrap; gap:14px; margin-top:26px; }
  .hero-trust{
    margin-top:34px; display:flex; align-items:center; gap:14px;
  }
  .hero-trust img{ width:52px; height:52px; border-radius:50%; object-fit:cover; border:2px solid var(--white); box-shadow:var(--shadow); }
  .hero-trust-text{ font-size:14px; color:var(--body-text); }
  .hero-trust-text strong{ color:var(--ink); display:block; font-size:15px; }
  .hero-trust-text a, .doctor-card .cred a{ color:var(--clay-dark); font-weight:700; text-decoration:underline; }

  /* Lead form card */
  .lead-card{
    background: var(--white);
    border:1px solid var(--line);
    border-radius:18px;
    padding:30px;
    box-shadow: var(--shadow);
  }
  .lead-card h3{ font-size:24px; margin-bottom:6px; }
  .lead-card .sub{ font-size:14px; color:var(--body-text); margin-bottom:20px; }
  .field{ margin-bottom:14px; }
  .field label{
    display:block; font-size:12px; font-weight:700; letter-spacing:0.4px;
    color:var(--ink-soft); margin-bottom:6px;
  }
  .field input, .field select{
    width:100%; padding:12px 14px; border-radius:10px;
    border:1px solid var(--line); background:var(--cream);
    font-family:"Inria Sans", sans-serif; font-size:14px; color:var(--ink);
  }
  .field input:focus, .field select:focus{ outline:2px solid var(--clay); outline-offset:1px; }
  .form-note{ font-size:12px; color:var(--body-text); margin-top:12px; text-align:center; }
  .form-status{ font-size:13px; margin-top:10px; text-align:center; min-height:16px; }
  .form-status-success{ color:#1e7d32; font-weight:600; }
  .form-status-error{ color:#b3261e; font-weight:600; }

  /* Sections generic */
  section{ padding:64px 0; }
  .section-blush{ background:var(--blush); }
  .section-head{ max-width:640px; margin-bottom:36px; }
  .section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
  .section-head h2{ font-size:34px; }
  .section-head p{ color:var(--body-text); font-size:16px; }

  /* Benefit strip */
  .strip{
    display:grid; grid-template-columns:repeat(3,1fr); gap:28px 22px;
  }
  @media (max-width:900px){ .strip{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:520px){ .strip{ grid-template-columns:1fr; } }
  .strip-item{ display:flex; align-items:center; gap:14px; }
  .icon-badge{
    flex:none; width:56px; height:56px; border-radius:50%;
    background: var(--gold); display:flex; align-items:center; justify-content:center;
  }
  .icon-badge svg{ width:26px; height:26px; stroke:var(--ink); fill:none; stroke-width:1.6; }
  .strip-item .t{ font-weight:700; color:var(--ink); font-size:15px; }
  .strip-item .d{ font-size:13px; color:var(--body-text); }

  /* two column */
  .two-col{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
  @media (max-width:900px){ .two-col{ grid-template-columns:1fr; gap:32px; } }
  .checklist{ list-style:none; margin:0; padding:0; }
  .checklist li{
    display:flex; gap:12px; align-items:flex-start; margin-bottom:14px; font-size:15px; color:var(--ink-soft);
  }
  .checklist li svg{ flex:none; width:20px; height:20px; margin-top:2px; }

  .visual-card{
    background: linear-gradient(155deg, var(--blush-deep), var(--blush));
    border-radius:22px;
    padding:40px;
    border:1px solid var(--line);
    position:relative;
    overflow:hidden;
  }
  .visual-card::after{
    content:"";
    position:absolute; right:-40px; bottom:-40px; width:200px; height:200px;
    border-radius:50%; background: radial-gradient(circle, var(--gold-soft), transparent 70%);
    opacity:.55;
  }
  .visual-card .visual-inner{ position:relative; z-index:1; }
  .visual-card .big-icon{ width:74px; height:74px; margin-bottom:22px; }
  .visual-card ul{ margin:18px 0 0; padding-left:20px; color:var(--ink-soft); font-size:14px; }
  .visual-card li{ margin-bottom:8px; }

  /* Process steps */
  .gallery-grid{
    display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
  }
  @media (max-width:980px){ .gallery-grid{ grid-template-columns:repeat(3,1fr); } }
  @media (max-width:640px){ .gallery-grid{ grid-template-columns:repeat(2,1fr); gap:14px; } }
  .gallery-item{
    position:relative; border-radius:16px; overflow:hidden; border:1px solid var(--line);
    background:var(--blush); box-shadow:var(--shadow); aspect-ratio:3/4;
  }
  .gallery-item img{ width:100%; height:100%; object-fit:cover; display:block; }
  .gallery-item .gallery-cap{
    position:absolute; left:0; right:0; bottom:0;
    padding:14px 12px 10px; font-family:"Inria Sans", sans-serif; font-size:12.5px; color:#fff;
    background:linear-gradient(to top, rgba(6,23,46,0.75), rgba(6,23,46,0));
  }
  .steps{
    display:grid; grid-template-columns:repeat(3,1fr); gap:18px;
  }
  @media (max-width:980px){ .steps{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:560px){ .steps{ grid-template-columns:1fr; } }
  .step-card{
    background:var(--white); border:1px solid var(--line); border-radius:16px;
    padding:26px 20px; position:relative;
  }
  .step-num{
    font-family:"Belleza", serif; font-size:15px; color:var(--clay-dark);
    margin-bottom:14px; display:block;
  }
  .step-card h4{ font-size:18px; margin-bottom:8px; }
  .step-card p{ font-size:13.5px; margin:0; color:var(--body-text); }

  /* HydraFacial experience tiers */
  .tier-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
  @media (max-width:980px){ .tier-grid{ grid-template-columns:1fr; } }
  .tier-card{
    background:var(--white); border:1px solid var(--line); border-radius:18px; padding:30px 28px;
    display:flex; flex-direction:column;
  }
  .tier-card h4{ font-size:22px; margin-bottom:10px; }
  .tier-card p{ font-size:14.5px; }
  .tier-label{
    font-size:12px; font-weight:700; letter-spacing:0.6px; text-transform:uppercase;
    color:var(--clay-dark); margin:auto 0 10px; padding-top:6px;
  }
  .tier-tags{ list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:8px; }
  .tier-tags li{
    font-size:12.5px; color:var(--ink-soft); background:var(--blush);
    border:1px solid var(--line); border-radius:100px; padding:5px 12px;
  }
  .tier-feature{
    margin-top:24px; display:grid; grid-template-columns:1.4fr 0.6fr; gap:0;
    background:var(--ink); border-radius:22px; overflow:hidden; box-shadow:var(--shadow);
  }
  @media (max-width:900px){ .tier-feature{ grid-template-columns:1fr; } }
  .tier-feature-body{ padding:44px; }
  .tier-feature-body h3{ color:var(--cream); font-size:30px; }
  .tier-feature-body p{ color:#D6E4F5; font-size:15px; }
  .tier-kicker{ color:var(--gold) !important; font-weight:700; font-size:13px !important; margin-bottom:8px !important; }
  .tier-feature .tier-label{ color:var(--gold); margin-top:18px; }
  .tier-feature .tier-tags li{ background:rgba(255,255,255,0.08); border-color:rgba(255,255,255,0.18); color:#E6F0FB; }
  .tier-feature-cta{
    padding:44px 36px; display:flex; flex-direction:column; justify-content:center; align-items:flex-start; gap:6px;
    background:linear-gradient(155deg, var(--clay), var(--clay-dark));
  }
  .tier-feature-cta h4{ color:#fff; font-size:24px; }
  .tier-feature-cta p{ color:#E3EEFA; font-size:15px; margin-bottom:18px; }
  .tier-feature-cta .btn-primary{ background:var(--gold); color:#06172E; }
  .tier-feature-cta .btn-primary:hover{ background:var(--gold-soft); }
  @media (max-width:560px){ .tier-feature-body, .tier-feature-cta{ padding:30px 24px; } }

  /* Benefit cards */
  .benefit-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
  @media (max-width:900px){ .benefit-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:560px){ .benefit-grid{ grid-template-columns:1fr; } }
  .benefit-card{
    background:var(--white); border:1px solid var(--line); border-radius:16px; padding:28px;
  }
  .benefit-card .icon-badge{ margin-bottom:16px; }
  .benefit-card h4{ font-size:18px; }
  .benefit-card p{ font-size:14px; margin:0; }

  /* Why choose / doctor */
  .doctor-card{
    background:var(--white); border:1px solid var(--line); border-radius:20px; overflow:hidden;
    box-shadow:var(--shadow); max-width:320px; margin:0 auto;
  }
  .doctor-card img{ width:100%; aspect-ratio:4/4.3; object-fit:cover; }
  .doctor-card .dc-body{ padding:22px 24px 26px; }
  .doctor-card h4{ font-size:20px; margin-bottom:2px; }
  .doctor-card .cred{ font-size:13px; color:var(--clay-dark); font-weight:700; margin-bottom:10px; }
  .doctor-card p{ font-size:14px; margin:0; }

  .cert-card{
    background:var(--white); border:1px solid var(--line); border-radius:18px;
    padding:14px; box-shadow:var(--shadow); max-width:360px; margin:0 auto;
  }
  .cert-card img{ border-radius:10px; width:100%; }
  @media (max-width:900px){ .cert-card{ max-width:300px; } }

  .usp-badge{
    display:flex; align-items:flex-start; gap:12px; margin-top:22px;
    background:var(--blush); border:1px solid var(--line); border-radius:14px; padding:16px 18px;
  }
  .usp-badge svg{ flex:none; width:22px; height:22px; margin-top:2px; color:var(--gold); fill:var(--gold); }
  .usp-badge p{ margin:0; font-size:13.5px; color:var(--ink-soft); }
  .usp-badge strong{ color:var(--ink); }

  .usfda-pill{
    display:inline-flex; align-items:center; gap:8px; margin:0 0 16px;
    background:var(--blush-deep); border:1px solid var(--gold-soft); border-radius:100px;
    padding:7px 16px; font-size:12.5px; font-weight:700; color:var(--clay-dark);
  }
  .usfda-pill svg{ flex:none; width:14px; height:14px; color:var(--gold); fill:var(--gold); }
  @media (max-width:560px){ .usfda-pill{ font-size:11.5px; padding:6px 12px; } }

  /* Skin concerns cards */
  .concern-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
  @media (max-width:980px){ .concern-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:560px){ .concern-grid{ grid-template-columns:1fr; } }
  .concern-card{
    background:var(--blush); border-radius:16px; padding:26px 22px; border:1px solid var(--line);
  }
  .concern-card h4{ font-size:17px; }
  .concern-card p{ font-size:13.5px; margin:0; }

  /* Real client results gallery */
  .results-grid{
    display:grid; grid-template-columns:repeat(4,1fr); gap:16px;
  }
  @media (max-width:900px){ .results-grid{ grid-template-columns:repeat(3,1fr); } }
  @media (max-width:560px){ .results-grid{ grid-template-columns:repeat(2,1fr); gap:10px; } }
  .result-item{
    display:block; padding:0; margin:0; border:1px solid var(--line); border-radius:14px;
    overflow:hidden; cursor:zoom-in; background:var(--white); box-shadow:var(--shadow);
    transition: transform .2s ease;
  }
  .result-item:hover{ transform: translateY(-3px); }
  .result-item img{ width:100%; aspect-ratio:1/1; object-fit:cover; display:block; }

  /* Celebrity at DNA Royal */
  .celeb-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:16px; }
  @media (max-width:1000px){ .celeb-grid{ grid-template-columns:repeat(3,1fr); } }
  @media (max-width:560px){ .celeb-grid{ grid-template-columns:repeat(2,1fr); gap:10px; } }
  .celeb-item{ position:relative; }
  .celeb-item img{ aspect-ratio:4/5; }
  .celeb-cap{
    position:absolute; left:0; right:0; bottom:0; padding:22px 12px 10px; text-align:left;
    font-family:"Inria Sans", sans-serif; font-size:12.5px; font-weight:700; color:#fff;
    background:linear-gradient(to top, rgba(6,23,46,0.85), rgba(6,23,46,0));
    border-bottom:3px solid var(--gold);
  }
  .celeb-note{ text-align:center; font-size:12.5px; color:var(--body-text); margin:22px auto 0; max-width:60ch; }

  .lightbox{
    position:fixed; inset:0; z-index:200; background:rgba(6,23,46,0.9);
    display:none; align-items:center; justify-content:center; padding:24px;
  }
  .lightbox.open{ display:flex; }
  .lightbox img{ max-width:min(900px,92vw); max-height:88vh; border-radius:12px; object-fit:contain; }
  .lightbox-close{
    position:absolute; top:18px; right:22px; background:none; border:none;
    color:#fff; font-size:34px; line-height:1; cursor:pointer; padding:6px 10px;
  }

  /* Thane band */
  .band{
    background: var(--ink); color: var(--cream); border-radius:22px;
    padding:44px; display:grid; grid-template-columns:1.3fr 0.7fr; gap:30px; align-items:center;
  }
  @media (max-width:800px){ .band{ grid-template-columns:1fr; text-align:left; } }
  .band h3{ color:var(--cream); font-size:26px; }
  .band p{ color:#D6E4F5; font-size:15px; }
  .band .btn-primary{ background:var(--gold); color:var(--ink); }
  .band .btn-primary:hover{ background:var(--gold-soft); }

  /* Testimonials */
  .testi-grid{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
  @media (max-width:800px){ .testi-grid{ grid-template-columns:1fr; } }
  .testi-card{
    background:var(--white); border:1px solid var(--line); border-radius:16px; padding:28px;
  }
  .testi-card .stars{ color:#E0A800; font-size:16px; letter-spacing:2px; margin-bottom:12px; }
  .testi-card p.quote{ font-size:15px; color:var(--ink-soft); font-style:italic; }
  .testi-name{ font-weight:700; color:var(--ink); font-size:14px; margin-top:14px; }
  .testi-role{ font-size:12px; color:var(--body-text); }

  /* FAQ */
  .faq-item{ border-bottom:1px solid var(--line); }
  .faq-q{
    width:100%; text-align:left; background:none; border:none; cursor:pointer;
    padding:20px 0; font-family:"Inria Sans", sans-serif; font-weight:700; font-size:16px;
    color:var(--ink); display:flex; justify-content:space-between; align-items:center; gap:16px;
  }
  .faq-q .plus{ flex:none; width:22px; height:22px; position:relative; }
  .faq-q .plus::before, .faq-q .plus::after{
    content:""; position:absolute; background:var(--clay-dark); border-radius:2px;
  }
  .faq-q .plus::before{ width:14px; height:2px; top:10px; left:4px; }
  .faq-q .plus::after{ width:2px; height:14px; left:10px; top:4px; transition:transform .2s ease; }
  .faq-item.open .faq-q .plus::after{ transform:rotate(90deg); }
  .faq-a{ max-height:0; overflow:hidden; transition:max-height .25s ease; }
  .faq-item.open .faq-a{ max-height:400px; }
  .faq-a p{ padding:0 0 20px; font-size:14.5px; color:var(--body-text); max-width:68ch; }

  /* Final CTA */
  .final-cta{
    background: linear-gradient(120deg, var(--clay), var(--clay-dark));
    border-radius:24px; padding:50px 40px; text-align:center; color:#fff;
  }
  .final-cta h2{ color:#fff; font-size:32px; }
  .final-cta p{ color:#E3EEFA; max-width:52ch; margin-left:auto; margin-right:auto; }
  .final-cta .row{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top:22px; }
  .final-cta .btn-outline{ border-color:#fff; color:#fff; }
  .final-cta .btn-outline:hover{ background:#fff; color:var(--clay-dark); }
  .final-cta .btn-primary{ background:#fff; color:var(--clay-dark); }
  .final-cta .btn-primary:hover{ background:var(--blush); }

  /* Footer */
  footer{
    background:var(--ink); color:#C3D3E8; padding:40px 0 calc(30px + env(safe-area-inset-bottom, 0px));
    padding-bottom: max(30px, env(safe-area-inset-bottom, 0px));
  }
  .footer-row{
    display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap;
  }
  footer .logo img{ height:36px; filter: brightness(0) invert(1); opacity:.92; }
  footer .foot-links{ display:flex; gap:20px; font-size:13px; flex-wrap:wrap; }
  footer .foot-bottom{
    margin-top:26px; padding-top:20px; border-top:1px solid #4A362F;
    font-size:12.5px; color:#9FB4CE; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  }

  ::selection{ background:var(--gold-soft); color:var(--ink); }