/* Smile Science Aesthetics — Editorial Clinical Design System
   Warm ivory / deep charcoal / cognac rose
   Typography: Cormorant Garamond (display) + DM Sans (body) — self-hosted WOFF2 */

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/assets/fonts/cormorant-garamond.woff2') format('woff2');
}

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: italic;
  font-weight: 300 700;
  font-display: swap;
  src: url('/assets/fonts/cormorant-garamond-italic.woff2') format('woff2');
}

@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url('/assets/fonts/dm-sans.woff2') format('woff2');
}

/* ── Variables ── */
:root {
  --sa-ground:        #faf8f5;
  --sa-surface:       #f2ede6;
  --sa-surface-alt:   #eae3d8;
  --sa-border:        #dcd3c5;
  --sa-border-light:  #eae4db;

  --sa-text:          #1c1917;
  --sa-muted:         #7c6f67;
  --sa-dim:           #b4a89c;

  --sa-accent:        #8c6464;
  --sa-accent-hover:  #7a5353;
  --sa-accent-faint:  #f5edec;
  --sa-accent-mid:    rgba(140, 100, 100, 0.15);

  --font-display:     'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body:        'DM Sans', system-ui, -apple-system, sans-serif;

  --radius-sm:  3px;
  --radius-md:  6px;

  --ease:   cubic-bezier(0.16, 1, 0.3, 1);
  --dur:    0.28s;

  --max-prose: 70ch;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background: var(--sa-ground);
  color: var(--sa-text);
  line-height: 1.72;
}
img { display: block; max-width: 100%; }
a { color: var(--sa-accent); text-decoration: none; transition: color var(--dur); }
a:hover { color: var(--sa-accent-hover); }

/* ── Accessibility ── */
.skip-link {
  position: absolute; top: -100%; left: 0; z-index: 9999;
  background: var(--sa-accent); color: #fff; padding: 0.5rem 1rem;
  font-family: var(--font-body); font-size: 0.875rem;
}
.skip-link:focus { top: 0; }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2.5rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-body); font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.9rem 2.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: background var(--dur), color var(--dur), border-color var(--dur), transform var(--dur);
  cursor: pointer; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--sa-accent);
  color: #fff;
  border-color: var(--sa-accent);
}
.btn-primary:hover {
  background: var(--sa-accent-hover);
  border-color: var(--sa-accent-hover);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--sa-muted);
  border-color: var(--sa-border);
}
.btn-outline:hover {
  border-color: var(--sa-accent);
  color: var(--sa-accent);
}

/* ── Header ── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 248, 245, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sa-border-light);
}
.site-header .container {
  display: flex; align-items: center; gap: 2.5rem;
  padding-top: 1.1rem; padding-bottom: 1.1rem;
}

.site-logo {
  display: flex; flex-direction: row; align-items: center; gap: 0.7rem;
  text-decoration: none; flex-shrink: 0; margin-right: auto;
  color: var(--sa-text);
}
.site-logo:hover { color: var(--sa-accent); }
.logo-mark {
  width: 40px; height: 40px; flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-name {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 500;
  letter-spacing: -0.01em;
}
.logo-name em { font-style: italic; color: var(--sa-accent); }
.logo-sub {
  font-size: 0.58rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--sa-dim); font-family: var(--font-body);
}

.site-nav { display: flex; align-items: center; gap: 2rem; }
.site-nav a {
  font-size: 0.78rem; letter-spacing: 0.06em;
  color: var(--sa-muted); font-weight: 500;
  transition: color var(--dur);
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--sa-text); }

.nav-cta {
  font-size: 0.78rem; letter-spacing: 0.08em; font-weight: 500;
  padding: 0.6rem 1.5rem; text-transform: uppercase;
  border: 1px solid var(--sa-accent);
  border-radius: var(--radius-sm); color: var(--sa-accent);
  transition: background var(--dur), color var(--dur);
  flex-shrink: 0;
}
.nav-cta:hover {
  background: var(--sa-accent);
  color: #fff;
}

.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 8px; flex-shrink: 0;
}
.nav-toggle span {
  display: block; width: 22px; height: 1.5px;
  background: var(--sa-text); border-radius: 1px;
  transition: transform 0.22s, opacity 0.22s;
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Hero (homepage) ── */
@keyframes rule-draw {
  from { width: 0; opacity: 0; }
  to   { width: 2.5rem; opacity: 1; }
}
@keyframes reveal-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero {
  padding: 0;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 60% at 80% 20%, rgba(140, 100, 100, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 15% 85%, rgba(140, 100, 100, 0.04) 0%, transparent 55%);
  pointer-events: none;
}

.hero-inner {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 5rem;
  align-items: stretch;
  min-height: min(88vh, 860px);
}
.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 0 8rem;
}

.hero-label {
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--font-body);
  font-size: 0.65rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--sa-dim); margin-bottom: 2.25rem;

  animation: reveal-up 0.6s var(--ease) 0.1s both;
}
.hero-label::before {
  content: '';
  display: block;
  height: 1px; background: var(--sa-accent);
  animation: rule-draw 0.55s var(--ease) 0s both;
}

.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 7.5vw, 7rem);
  font-weight: 300; line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--sa-text);
  white-space: pre-line;

  animation: reveal-up 0.7s var(--ease) 0.2s both;
}

.hero-tagline {
  margin-top: 2rem;
  font-size: 1.05rem; color: var(--sa-muted);
  max-width: 52ch; line-height: 1.7;

  animation: reveal-up 0.6s var(--ease) 0.35s both;
}

.hero-actions {
  display: flex; align-items: center; flex-wrap: wrap; gap: 1rem;
  margin-top: 2.75rem;

  animation: reveal-up 0.6s var(--ease) 0.48s both;
}

/* ── Divider ── */
.section-divider {
  border: none;
  border-top: 1px solid var(--sa-border-light);
}

/* ── Category cards (homepage) ── */
.categories-section {
  padding: 6rem 0;
  border-top: 1px solid var(--sa-border-light);
}

.section-eyebrow {
  font-size: 0.65rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--sa-accent); font-family: var(--font-body);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 400; line-height: 1.15;
  letter-spacing: -0.015em; color: var(--sa-text);
  margin-bottom: 3.5rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  background: var(--sa-border);
  border: 1px solid var(--sa-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 3rem;
}

.category-card {
  background: var(--sa-ground);
  padding: 3rem;
  transition: background var(--dur);
  display: flex; flex-direction: column; gap: 1rem;
}
.category-card:hover { background: var(--sa-surface); }

.category-num {
  font-family: var(--font-display);
  font-size: 0.85rem; font-style: italic;
  color: var(--sa-accent); font-weight: 400;
}
.category-title {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 400;
  color: var(--sa-text); line-height: 1.1;
  letter-spacing: -0.01em;
}
.category-body { font-size: 0.9rem; color: var(--sa-muted); line-height: 1.75; max-width: 38ch; }
.category-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--sa-accent); margin-top: auto;
  transition: gap var(--dur);
}
.category-link:hover { gap: 0.75rem; color: var(--sa-accent-hover); }
.category-link::after { content: '→'; }

/* ── Treatment tiles (homepage) ── */
.treatments-label {
  font-size: 0.65rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--sa-dim); font-family: var(--font-body); margin-bottom: 1.25rem;
}

.treatments-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--sa-border-light);
  border: 1px solid var(--sa-border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.treatment-tile {
  background: var(--sa-ground);
  padding: 1.5rem 1.75rem;
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 400;
  color: var(--sa-text);
  transition: background var(--dur), color var(--dur);
  display: block;
}
.treatment-tile:hover {
  background: var(--sa-accent-faint);
  color: var(--sa-accent);
}

/* ── Differentiators (homepage) ── */
.differentiators-section {
  padding: 6rem 0;
  background: var(--sa-surface);
  border-top: 1px solid var(--sa-border);
  border-bottom: 1px solid var(--sa-border);
}

.diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 3.5rem;
  border-top: 1px solid var(--sa-border-light);
}

.diff-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 3rem;
  padding: 3rem 0;
  border-bottom: 1px solid var(--sa-border-light);
  align-items: start;
}
.diff-icon {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 0.25rem;
  color: var(--sa-accent);
  opacity: 0.8;
}
.diff-icon svg { width: 32px; height: 32px; }
.diff-content { display: flex; flex-direction: column; gap: 0.5rem; }
.diff-num { display: none; }
.diff-heading {
  font-family: var(--font-display);
  font-size: 1.45rem; font-weight: 400;
  color: var(--sa-text); line-height: 1.15;
  letter-spacing: -0.01em; margin-bottom: 0.75rem;
}
.diff-body { font-size: 0.875rem; color: var(--sa-muted); line-height: 1.8; }

/* ── Page Hero (interior) ── */
.page-hero {
  padding: 5.5rem 0 4rem;
  border-bottom: 1px solid var(--sa-border-light);
  position: relative;
}

.breadcrumb {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.7rem; letter-spacing: 0.08em;
  color: var(--sa-dim); margin-bottom: 2rem;
}
.breadcrumb a { color: var(--sa-muted); }
.breadcrumb a:hover { color: var(--sa-accent); }
.breadcrumb-sep { color: var(--sa-border); }

.page-h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.25rem);
  font-weight: 300; line-height: 1.1;
  letter-spacing: -0.02em; color: var(--sa-text);
  max-width: 22ch;
}

.page-intro {
  margin-top: 1.5rem;
  font-size: 1.05rem; color: var(--sa-muted);
  max-width: 62ch; line-height: 1.75;
}

/* ── Page Content ── */
.page-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 6rem;
  padding: 5rem 0 6rem;
  align-items: start;
}

.page-sections { max-width: var(--max-prose); }

.page-section { margin-bottom: 3rem; padding-bottom: 3rem; border-bottom: 1px solid var(--sa-border-light); }
.page-section:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }

.page-section-num {
  font-family: var(--font-display);
  font-size: 0.75rem; font-style: italic;
  color: var(--sa-accent); margin-bottom: 0.75rem;
  display: block;
}

.page-section h2 {
  font-family: var(--font-display);
  font-size: 1.6rem; font-weight: 400;
  color: var(--sa-text); margin-bottom: 1rem;
  letter-spacing: -0.01em; line-height: 1.2;
}
.page-section p { font-size: 0.95rem; color: var(--sa-muted); line-height: 1.82; }
.page-section p + p { margin-top: 1rem; }
.page-section a { color: var(--sa-accent); }
.page-section ul, .page-section ol {
  padding-inline-start: 1.5rem;
  margin-top: 0.75rem;
  font-size: 0.95rem; color: var(--sa-muted); line-height: 1.82;
}
.page-section li { margin-bottom: 0.35rem; }

/* ── Sidebar (page sticky) ── */
.page-sidebar {
  position: sticky; top: 6rem;
  display: flex; flex-direction: column; gap: 1.5rem;
}

.sidebar-cta {
  background: var(--sa-surface);
  border: 1px solid var(--sa-border);
  border-radius: var(--radius-md);
  padding: 2rem;
}
.sidebar-cta-label {
  font-size: 0.65rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--sa-accent); font-family: var(--font-body);
  margin-bottom: 0.75rem;
}
.sidebar-cta h3 {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 400;
  color: var(--sa-text); margin-bottom: 0.6rem;
  line-height: 1.2;
}
.sidebar-cta p { font-size: 0.83rem; color: var(--sa-muted); line-height: 1.72; margin-bottom: 1.25rem; }
.sidebar-cta .btn { width: 100%; justify-content: center; }

.sidebar-links { display: flex; flex-direction: column; gap: 0; }
.sidebar-links-label {
  font-size: 0.65rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--sa-dim); font-family: var(--font-body);
  margin-bottom: 0.75rem;
}
.sidebar-link {
  display: block; padding: 0.65rem 0;
  font-family: var(--font-display); font-size: 1rem; font-weight: 400;
  color: var(--sa-muted); border-bottom: 1px solid var(--sa-border-light);
  transition: color var(--dur), padding-left var(--dur);
}
.sidebar-link:last-child { border-bottom: none; }
.sidebar-link:hover { color: var(--sa-accent); padding-left: 0.25rem; }

/* ── Treatment links (hub page) ── */
.treatment-links { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 0; }
.treatment-link-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--sa-border-light);
  transition: padding-left var(--dur);
}
.treatment-link-item:last-child { border-bottom: none; }
.treatment-link-item:hover { padding-left: 0.25rem; }
.treatment-link-name {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 400;
  color: var(--sa-text);
}
.treatment-link-desc { font-size: 0.82rem; color: var(--sa-muted); margin-top: 0.2rem; }
.treatment-link-arrow {
  font-size: 1rem; color: var(--sa-dim);
  transition: color var(--dur), transform var(--dur);
}
.treatment-link-item:hover .treatment-link-arrow {
  color: var(--sa-accent);
  transform: translateX(4px);
}

/* ── Off-label notice ── */
.off-label-notice {
  background: var(--sa-surface);
  border: 1px solid var(--sa-border);
  border-left: 3px solid var(--sa-accent);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
}
.off-label-notice p {
  font-size: 0.85rem; color: var(--sa-muted); line-height: 1.75;
}
.off-label-notice strong { color: var(--sa-text); font-weight: 500; }

/* ── Reviewer bar ── */
.reviewer-bar {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: 1rem 0;
  border-top: 1px solid var(--sa-border-light);
  margin-top: 3rem;
}
.reviewer-bar-icon {
  width: 2rem; height: 2rem;
  background: var(--sa-accent-faint);
  border: 1px solid rgba(140, 100, 100, 0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--sa-accent); font-size: 0.75rem; font-weight: 500;
}
.reviewer-bar-text { font-size: 0.78rem; color: var(--sa-muted); line-height: 1.5; }
.reviewer-bar-name { color: var(--sa-text); font-weight: 500; }
.reviewer-bar-date { color: var(--sa-dim); }

/* ── Disclaimer block ── */
.disclaimer-block {
  background: var(--sa-surface);
  border: 1px solid var(--sa-border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  margin-top: 2rem;
}
.disclaimer-block p {
  font-size: 0.8rem; color: var(--sa-muted); line-height: 1.75;
}
.disclaimer-block p + p { margin-top: 0.5rem; }
.disclaimer-heading {
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--sa-dim); font-family: var(--font-body);
  margin-bottom: 0.75rem;
}

/* ── Inline CTA (bottom of page sections) ── */
.inline-cta {
  padding: 2.5rem 0;
  border-top: 1px solid var(--sa-border-light);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.5rem;
}
.inline-cta-text {
  font-family: var(--font-display);
  font-size: 1.6rem; font-weight: 300;
  color: var(--sa-text); line-height: 1.2;
  max-width: 40ch;
}

/* ── Contact ── */
.contact-section { padding: 6rem 0; }
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7rem;
  align-items: start;
}

.contact-form-label {
  font-size: 0.65rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--sa-accent); font-family: var(--font-body);
  margin-bottom: 2rem;
}

.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.45rem; }
.form-group label {
  font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--sa-muted); font-family: var(--font-body); font-weight: 500;
}
.form-group input,
.form-group textarea {
  background: var(--sa-ground);
  border: 1px solid var(--sa-border);
  border-radius: var(--radius-sm);
  color: var(--sa-text);
  font-family: var(--font-body); font-size: 0.92rem;
  padding: 0.85rem 1rem;
  transition: border-color var(--dur);
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--sa-accent);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--sa-dim); }

.form-footer { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.form-status { font-size: 0.82rem; color: var(--sa-muted); font-family: var(--font-body); }
.form-status--ok { color: #5a8a6a; }
.form-status--error { color: #a05050; }

.contact-info-col { display: flex; flex-direction: column; gap: 3rem; padding-top: 0.5rem; }
.contact-info-block h2 {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 400;
  color: var(--sa-text); margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}
.contact-info-block p { font-size: 0.875rem; color: var(--sa-muted); line-height: 1.82; }
.contact-info-block a { color: var(--sa-accent); }
.contact-info-block a:hover { color: var(--sa-accent-hover); }

.cf-turnstile { margin: 0.25rem 0; }

/* ── Footer ── */
.site-footer {
  background: var(--sa-text);
  color: var(--sa-surface);
  padding: 5rem 0 2.5rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 5rem;
  margin-bottom: 4rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {}
.footer-logo-lockup {
  display: flex; align-items: center; gap: 0.65rem;
  margin-bottom: 0.75rem;
}
.footer-logo-mark {
  width: 14px; height: 21px; flex-shrink: 0; opacity: 0.65;
}
.footer-logo-name {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 400;
  color: var(--sa-ground); line-height: 1.1;
}
.footer-logo-name em { font-style: italic; color: rgba(255, 255, 255, 0.5); }
.footer-tagline { font-size: 0.875rem; color: rgba(255, 255, 255, 0.4); line-height: 1.72; max-width: 38ch; }
.footer-entity { margin-top: 1rem; font-size: 0.78rem; color: rgba(255, 255, 255, 0.3); }
.footer-entity a { color: rgba(255, 255, 255, 0.45); }
.footer-entity a:hover { color: var(--sa-accent-faint); }

.footer-col-label {
  font-size: 0.6rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3); margin-bottom: 1.25rem;
  font-family: var(--font-body);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col ul a { font-size: 0.875rem; color: rgba(255, 255, 255, 0.45); }
.footer-col ul a:hover { color: var(--sa-ground); }

.footer-bottom { display: flex; flex-direction: column; gap: 1.25rem; }
.footer-copy { font-size: 0.75rem; color: rgba(255, 255, 255, 0.3); }

.clinical-footer-note {
  font-size: 0.73rem; color: rgba(255, 255, 255, 0.22); line-height: 1.7; max-width: 90ch;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .page-body { grid-template-columns: 1fr; gap: 4rem; }
  .page-sidebar { position: static; }
}

@media (max-width: 900px) {
  .categories-grid { grid-template-columns: 1fr; gap: 1px; }
  .treatments-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: 4rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 3rem; }
  .inline-cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .site-nav { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-open .site-nav {
    display: flex; flex-direction: column;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--sa-ground);
    border-bottom: 1px solid var(--sa-border);
    box-shadow: 0 16px 40px rgba(28, 25, 23, 0.1);
    z-index: 99; gap: 0; padding: 0.5rem 2.5rem 1rem;
  }
  .nav-open .site-nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--sa-border-light);
    font-size: 0.9rem; letter-spacing: 0.04em;
  }
  .nav-open .site-nav a:last-child { border-bottom: none; }
  .treatments-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-section { padding: 4rem 0; }
  .differentiators-section { padding: 4rem 0; }
  .contact-section { padding: 4rem 0; }
}

/* ── Grain texture overlay ── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  will-change: transform;
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.75s cubic-bezier(0.16,1,0.3,1), transform 0.75s cubic-bezier(0.16,1,0.3,1);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }

/* ── Hero photo panel ── */
.hero-photo-panel {
  position: relative;
  overflow: hidden;
  margin-right: calc(-2.5rem - ((100vw - 1200px) / 2));
}
.hero-photo-placeholder {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    160deg,
    rgba(110, 72, 66, 0.48) 0%,
    rgba(120, 80, 76, 0.18) 45%,
    rgba(76, 48, 44, 0.50) 100%
  );
}
.hero-photo-placeholder::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 75% 75% at 58% 42%, transparent 35%, rgba(48, 28, 24, 0.38) 100%);
}
.hero-photo-panel img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 15%;
  filter: saturate(0.88) brightness(0.96);
}
.hero-photo-frame {
  position: absolute; inset: 1.25rem;
  border: 1px solid rgba(250,248,245,0.18);
  pointer-events: none;
  z-index: 3;
}
.hero-photo-caption {
  position: absolute; bottom: 1.75rem; left: 1.75rem;
  display: flex; flex-direction: column; gap: 0.2rem;
  font-family: var(--font-body);
  font-size: 0.55rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(250,248,245,0.7);
  z-index: 3;
}

/* ── Category icons ── */
.category-icon {
  display: block;
  width: 36px; height: 36px;
  color: var(--sa-accent);
  opacity: 0.8;
  margin-bottom: 0.5rem;
}
.category-icon svg { width: 100%; height: 100%; }

/* ── Responsive: hero split + diff list ── */
@media (max-width: 1024px) {
  .hero-photo-panel { margin-right: 0; }
}
@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
    min-height: unset;
  }
  .hero-text { padding: 5rem 0 3rem; }
  .hero-photo-panel {
    height: 55vw; min-height: 260px; max-height: 400px;
    border-radius: var(--radius-md);
    margin: 0 0 2rem;
  }
  .diff-item { grid-template-columns: 40px 1fr; gap: 1.75rem; }
}
@media (max-width: 640px) {
  .hero-photo-panel { display: none; }
  .diff-item { grid-template-columns: 1fr; gap: 0.75rem; padding: 2rem 0; }
  .diff-icon { display: none; }
}

/* ── Team strip (homepage) ── */
.team-strip-section {
  padding: 5rem 0;
  border-top: 1px solid var(--sa-border-light);
}
.team-strip-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3rem;
  gap: 1rem;
}
.team-strip-header .section-heading { margin-bottom: 0; }
.team-strip-link {
  font-family: var(--font-body);
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--sa-accent);
  white-space: nowrap;
  flex-shrink: 0;
  padding-bottom: 0.25rem;
}
.team-strip-link:hover { color: var(--sa-accent-hover); }
.team-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}
.team-strip-card { display: flex; flex-direction: column; gap: 0.6rem; }
.team-strip-photo {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--sa-surface);
}
.team-strip-photo img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  transition: transform 0.5s var(--ease);
}
.team-strip-card:hover .team-strip-photo img { transform: scale(1.04); }
.team-strip-initial {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 2.5rem; font-weight: 300;
  color: var(--sa-muted);
}
.team-strip-name {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 400; line-height: 1.25;
  color: var(--sa-text);
  margin: 0;
}
.team-strip-role {
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.11em; text-transform: uppercase;
  color: var(--sa-accent);
  margin: 0;
}
@media (max-width: 900px) {
  .team-strip { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 580px) {
  .team-strip { grid-template-columns: repeat(2, 1fr); }
  .team-strip-header { flex-direction: column; align-items: flex-start; }
}

/* ── Providers (team) section ── */
.providers-section {
  background: var(--sa-surface);
  border-top: 1px solid var(--sa-border-light);
  border-bottom: 1px solid var(--sa-border-light);
  padding: 5rem 0;
}
.provider-group { margin-top: 3rem; }
.provider-group-label {
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--sa-muted);
  border-bottom: 1px solid var(--sa-border-light);
  padding-bottom: 0.75rem;
  margin-bottom: 2rem;
}
.providers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 2.5rem 2rem;
  margin-top: 3rem;
}
.provider-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.provider-photo {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--sa-surface-alt);
}
.provider-photo img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  transition: transform 0.5s var(--ease);
}
.provider-card:hover .provider-photo img { transform: scale(1.03); }
.provider-photo-initial {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 3rem; font-weight: 300;
  color: var(--sa-muted); letter-spacing: 0.05em;
}
.provider-name {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 400; line-height: 1.3;
  color: var(--sa-text);
  margin: 0;
}
.provider-role {
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--sa-accent);
  margin: 0;
}
.provider-bio {
  font-size: 0.875rem; line-height: 1.6;
  color: var(--sa-muted);
  margin: 0;
}
@media (max-width: 768px) {
  .providers-grid { grid-template-columns: repeat(2, 1fr); gap: 1.75rem 1.25rem; }
}
@media (max-width: 480px) {
  .providers-grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
}