body {
      background: var(--white);
      color: var(--black);
      font-family: var(--font-body);
      font-size: 18px;
      line-height: 1.7;
      letter-spacing: 0.02em;
      -webkit-font-smoothing: antialiased;
    }

    /* ── NAV (identical to main page) ── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 48px;
      height: 64px;
      background: rgba(248,248,246,0.96);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(199,154,95,0.15);
    }

    .nav-logo img {
      height: 56px;
      width: auto;
      display: block;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }

    .nav-links a {
      font-family: var(--font-label);
      font-size: 10.5px;
      font-weight: 300;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      text-decoration: none;
      color: var(--slate);
      transition: color 0.2s;
    }
    .nav-links a:hover { color: var(--gold); }
    .nav-links a.active {
      color: var(--gold);
      box-shadow: 0 2px 0 0 var(--gold);
    }

    .nav-book {
      font-family: var(--font-label);
      font-size: 10.5px;
      font-weight: 300;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      text-decoration: none;
      padding: 10px 24px;
      border: 1px solid var(--gold);
      color: var(--gold);
      transition: background 0.22s, color 0.22s;
    }
    .nav-book:hover { background: var(--gold); color: #fff; }

    /* ── SCROLL TO TOP ── */
    .scroll-top {
      position: fixed;
      bottom: 32px;
      right: 32px;
      z-index: 200;
      width: 44px;
      height: 44px;
      background: var(--gold);
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      pointer-events: none;
      transform: translateY(8px);
      transition: opacity 0.3s, transform 0.3s;
    }
    .scroll-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
    .scroll-top svg { display: block; }

    /* ── HAMBURGER / MOBILE MENU ── */
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      background: none;
      border: none;
      padding: 4px;
    }
    .hamburger span { display: block; width: 24px; height: 1px; background: var(--slate); transition: all 0.2s; }
    .mobile-menu {
      display: none;
      position: fixed;
      top: 64px; left: 0; right: 0;
      background: var(--white);
      border-bottom: 1px solid rgba(199,154,95,0.15);
      padding: 32px 48px;
      z-index: 99;
      flex-direction: column;
      gap: 24px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a {
      font-family: var(--font-label);
      font-size: 11px;
      font-weight: 300;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      text-decoration: none;
      color: var(--slate);
    }

    /* ── HERO ── */
    .sp-hero {
      position: relative;
      text-align: center;
      overflow: hidden;
      background: #000;
    }

    .sp-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to bottom, rgba(0,0,0,0.30) 0%, rgba(0,0,0,0.45) 100%);
      pointer-events: none;
      z-index: 1;
    }

    .sp-hero h1 {
      font-family: var(--font-head);
      font-size: clamp(16px, 6vw, 84px);
      font-weight: 300;
      line-height: 1.0;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      white-space: nowrap;
      text-align: center;
      display: block;
      width: 100%;
      color: #fff;
      margin: 0 auto 24px;
      text-shadow: 0 2px 24px rgba(0,0,0,0.75), 0 1px 6px rgba(0,0,0,0.5);
      position: relative;
      z-index: 1;
    }

    .sp-hero h1 em {
      font-style: italic;
      color: var(--gold);
      text-transform: uppercase;
      letter-spacing: 0.02em;
      text-shadow: 0 2px 16px rgba(0,0,0,0.8);
    }

    .sp-hero-tagline {
      font-family: var(--font-body);
      font-size: 18px;
      color: rgba(255,255,255,0.9);
      line-height: 1.7;
      letter-spacing: 0.025em;
      margin-bottom: 40px;
      max-width: 480px;
      text-shadow: 0 2px 12px rgba(0,0,0,0.7);
      position: relative;
      z-index: 1;
    }

    /* ── BREADCRUMB ── */
    .breadcrumb {
      background: var(--white);
      border-bottom: 1px solid rgba(199,154,95,0.15);
      padding: 16px 80px;
    }
    .breadcrumb a {
      font-family: var(--font-label);
      font-size: 10.5px;
      font-weight: 300;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      text-decoration: none;
      color: var(--slate);
      transition: color 0.2s;
    }
    .breadcrumb a:hover { color: var(--gold); }

    /* ── SECTION SCROLL OFFSET ── */
    html { scroll-padding-top: 60px; }
    @media (max-width: 900px) {
      html { scroll-padding-top: 40px; }
    }

    /* ── SECTION BASE ── */
    section {
      padding: 70px 80px 100px;
    }

    .section-header {
      text-align: center;
      margin-bottom: 64px;
    }

    .section-title {
      font-family: var(--font-head);
      font-size: clamp(32px, 4vw, 56px);
      font-weight: 300;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--black);
      line-height: 1.0;
      margin-bottom: 20px;
    }

    .section-sub {
      font-family: var(--font-body);
      font-size: 16.5px;
      color: var(--slate);
      letter-spacing: 0.025em;
      max-width: 480px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* ── CONTENT PROSE ── */
    .prose {
      max-width: 760px;
      margin: 0 auto;
    }

    .prose h2 {
      font-family: var(--font-head);
      font-size: clamp(26px, 3vw, 40px);
      font-weight: 300;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: var(--black);
      line-height: 1.1;
      margin-bottom: 24px;
    }

    .prose p {
      font-family: var(--font-body);
      font-size: 17px;
      color: var(--slate);
      line-height: 1.8;
      letter-spacing: 0.02em;
      margin-bottom: 24px;
    }

    /* ── WHAT IT TREATS ── */
    .treats-section {
      background: var(--periwinkle);
    }

    .treats-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      background: rgba(199,154,95,0.12);
      max-width: 900px;
      margin: 0 auto;
    }

    .treat-item {
      background: var(--white);
      padding: 24px 32px;
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .treat-item::before {
      content: '';
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: var(--gold);
      flex-shrink: 0;
    }

    .treat-item span {
      font-family: var(--font-body);
      font-size: 16px;
      color: var(--black);
      letter-spacing: 0.02em;
    }

    /* ── PROCESS STEPS ── */
    .steps-list {
      max-width: 760px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .step-item {
      display: grid;
      grid-template-columns: 56px 1fr;
      gap: 24px;
      padding: 40px 0;
      border-bottom: 1px solid rgba(199,154,95,0.15);
      align-items: start;
    }

    .step-item:last-child { border-bottom: none; }

    .step-num {
      font-family: var(--font-head);
      font-size: 48px;
      font-weight: 300;
      color: var(--gold);
      line-height: 1;
      letter-spacing: 0.04em;
    }

    .step-content h3 {
      font-family: var(--font-head);
      font-size: 22px;
      font-weight: 400;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: var(--black);
      margin-bottom: 10px;
    }

    .step-content p {
      font-family: var(--font-body);
      font-size: 16.5px;
      color: var(--slate);
      line-height: 1.75;
      letter-spacing: 0.02em;
    }

    /* ── RESULTS LONGEVITY ── */
    .results-section {
      background: var(--periwinkle);
    }

    .results-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      background: rgba(255,255,255,0.2);
      max-width: 900px;
      margin: 48px auto 0;
    }

    .results-stat {
      background: rgba(255,255,255,0.55);
      padding: 48px 32px;
      text-align: center;
    }

    .results-stat .stat-num {
      font-family: var(--font-head);
      font-size: 52px;
      font-weight: 300;
      color: var(--black);
      letter-spacing: 0.04em;
      line-height: 1;
      margin-bottom: 12px;
    }

    .results-stat .stat-label {
      font-family: var(--font-label);
      font-size: 10px;
      font-weight: 300;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--slate);
    }

    /* Before & After gallery styles live in style.css (shared with index). */

    /* ── FAQ ── */
    .faq-section {
      background: var(--offwhite);
    }

    .faq-item {
      border-bottom: 1px solid rgba(199,154,95,0.2);
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 28px 0;
      font-family: var(--font-body);
      font-size: 18px;
      letter-spacing: 0.025em;
      color: var(--black);
      background: none;
      border: none;
      cursor: pointer;
      text-align: left;
      gap: 16px;
    }

    .faq-icon {
      width: 20px; height: 20px;
      flex-shrink: 0;
      position: relative;
      border: 1px solid var(--gold);
      border-radius: 50%;
    }
    .faq-icon::before, .faq-icon::after {
      content: '';
      position: absolute;
      background: var(--gold);
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
    }
    .faq-icon::before { width: 8px; height: 1px; }
    .faq-icon::after  { width: 1px; height: 8px; transition: transform 0.25s; }
    .faq-item.open .faq-icon::after { transform: translate(-50%,-50%) rotate(90deg); }

    .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
    .faq-answer-inner {
      padding: 0 0 28px;
      font-family: var(--font-body);
      font-size: 16.5px;
      color: var(--slate);
      line-height: 1.75;
      letter-spacing: 0.02em;
    }
    .faq-answer-inner a {
      color: var(--gold);
      text-decoration: none;
      border-bottom: 1px solid transparent;
      transition: border-color 0.2s;
    }
    .faq-answer-inner a:hover {
      border-bottom-color: var(--gold);
    }

    /* ── RELATED TREATMENTS ── */
    .related-section {
      background: var(--white);
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 2px;
      background: rgba(199,154,95,0.12);
    }

    .related-card {
      background: var(--white);
      padding: 48px 24px;
      text-decoration: none;
      transition: background 0.25s;
      display: flex;
      flex-direction: column;
    }
    .related-card:hover { background: var(--offwhite); }

    .related-num {
      font-family: var(--font-label);
      font-size: 10px;
      font-weight: 300;
      letter-spacing: 0.25em;
      color: var(--gold);
      margin-bottom: 20px;
    }

    .related-name {
      font-family: var(--font-head);
      font-size: clamp(18px, 1.4vw, 28px);
      font-weight: 300;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: var(--black);
      line-height: 1.1;
      margin-bottom: 14px;
    }

    .related-desc {
      font-family: var(--font-body);
      font-size: 15.5px;
      color: var(--slate);
      line-height: 1.7;
      letter-spacing: 0.02em;
    }

    .related-link {
      font-family: var(--font-label);
      font-size: 10px;
      font-weight: 300;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--gold);
      text-decoration: none;
      margin-top: auto;
      padding-top: 24px;
    }

    /* ── CTA BANNER ── */
    .cta-banner {
      background: var(--black);
      text-align: center;
      padding: 100px 80px;
    }

    .cta-banner h2 {
      font-family: var(--font-head);
      font-size: clamp(36px, 5vw, 72px);
      font-weight: 300;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--white);
      line-height: 1.0;
      margin-bottom: 24px;
    }

    .cta-banner h2 em {
      font-style: italic;
      color: var(--gold);
    }

    .cta-banner p {
      font-family: var(--font-body);
      font-size: 17px;
      color: rgba(248,248,246,0.7);
      line-height: 1.75;
      letter-spacing: 0.025em;
      max-width: 520px;
      margin: 0 auto 40px;
    }

    /* ── FOOTER (identical to main page) ── */
    footer {
      background: var(--black);
      border-top: 1px solid rgba(248,248,246,0.08);
      padding: 24px 80px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .footer-copy {
      font-family: var(--font-label);
      font-size: 9.5px;
      font-weight: 300;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: rgba(248,248,246,0.35);
    }

    .footer-links {
      display: flex;
      gap: 24px;
      list-style: none;
    }

    .footer-links a {
      font-family: var(--font-label);
      font-size: 9.5px;
      font-weight: 300;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      text-decoration: none;
      color: rgba(248,248,246,0.35);
      transition: color 0.2s;
    }
    .footer-links a:hover { color: var(--gold); }

    /* ── RESPONSIVE ── */
    @media (max-width: 1050px) {
      .nav-links, .nav-book { display: none; }
      .hamburger { display: flex; }
    }

    @media (min-width: 901px) and (max-width: 1299px) {
      .related-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .related-card { padding: 40px 28px; }
      .related-name { font-size: clamp(20px, 2vw, 26px); }
    }

    @media (max-width: 900px) {
      nav { padding: 0 24px; height: 60px; }
      .nav-logo img { height: 44px; }
      .nav-links, .nav-book { display: none; }
      .hamburger { display: flex; }
      .mobile-menu { padding: 32px 24px; top: 60px; }
      .scroll-top { bottom: 20px; right: 16px; }

      .sp-hero { padding: 98px 24px 64px; min-height: auto; }
      .sp-hero h1 { font-size: 3.5vw; }

      .breadcrumb { padding: 16px 24px; }

      section { padding: 64px 24px; }

      .treats-grid { grid-template-columns: 1fr 1fr; }
      .results-grid { grid-template-columns: 1fr; }
      .related-grid { grid-template-columns: 1fr; }
      .related-card { padding: 32px 24px; }
      .related-name { font-size: 22px; }
      .cta-banner { padding: 64px 24px; }
      footer { padding: 20px 24px; flex-direction: column; gap: 12px; text-align: center; }
      .footer-links { justify-content: center; }
    }

    @media (max-width: 600px) {
      .treats-grid { grid-template-columns: 1fr; }
    }