/* ==========================================================================
   Revival IV: "Pro Classic" concept
   Locked brand system, Core Identity Volume One.

   PALETTE (five colours only, tints via opacity only, no new hues)
     Primary Black   #0A0A0A
     White           #FFFFFF
     Primary Accent  #2D9CDB
     Light Grey      #E6E6E6
     Dark Grey       #666666

   TYPE
     Montserrat  logo + major headings only, all caps, wide tracking
     Inter       everything else: body, subheads, buttons, UI, labels

   SPACING  strict 8px rhythm (8/16/24/32/40/48/64/80/96/128)
   RADIUS   2px, held everywhere
   SHADOW   neutral black at low alpha only, never coloured
   ========================================================================== */

:root {
  /* Brand colours */
  --black: #0A0A0A;
  --white: #FFFFFF;
  --accent: #2D9CDB;
  --grey-light: #E6E6E6;
  --grey-dark: #666666;

  /* Derived tints (opacity of the five above, no new hues) */
  --line-on-light: rgba(10, 10, 10, 0.12);
  --line-on-light-strong: rgba(10, 10, 10, 0.24);
  --line-on-dark: rgba(230, 230, 230, 0.18);
  --line-on-dark-strong: rgba(230, 230, 230, 0.34);
  --surface-hover-light: rgba(10, 10, 10, 0.04);
  --surface-hover-dark: rgba(230, 230, 230, 0.06);
  --text-muted-on-dark: rgba(230, 230, 230, 0.78); /* ~#B4B4B4 on black, 10.3:1 */
  --ink-scrim: rgba(10, 10, 10, 0.12);

  /* Type */
  --font-display: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* 8px spacing rhythm */
  --s-1: 8px;
  --s-2: 16px;
  --s-3: 24px;
  --s-4: 32px;
  --s-5: 40px;
  --s-6: 48px;
  --s-7: 64px;
  --s-8: 80px;
  --s-9: 96px;
  --s-10: 128px;

  --container: 1200px;
  --gutter: 24px;
  --radius: 2px;
  --header-h: 64px;

  --shadow-sm: 0 1px 2px rgba(10, 10, 10, 0.06);
  --shadow-md: 0 8px 24px -12px rgba(10, 10, 10, 0.24);
  --shadow-lg: 0 16px 40px -20px rgba(10, 10, 10, 0.32);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.22s;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: var(--black);
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  padding: 14px 24px; border-radius: var(--radius);
  min-height: 44px; display: inline-flex; align-items: center;
}
.skip-link:focus { left: 16px; top: 16px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius);
}
.section-white :focus-visible,
.section-grey :focus-visible { outline-color: var(--black); }

/* ==========================================================================
   Layout primitives
   ========================================================================== */
.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: var(--s-8) 0; }
.section-white { background: var(--white); color: var(--black); }
.section-grey  { background: var(--grey-light); color: var(--black); }
.section-black { background: var(--black); color: var(--grey-light); }
.section-hairline { border-top: 1px solid var(--line-on-dark); }

/* ---- Headings: Montserrat, all caps, wide tracking, used sparingly ---- */
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.15;
  letter-spacing: 0.06em;
  color: var(--black);
  margin: 0 0 var(--s-3);
}
.section-title.on-dark { color: var(--white); }

.accent-word { color: var(--accent); }
.section-white .accent-word,
.section-grey .accent-word { color: var(--black); }

.section-lede {
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.65;
  color: var(--grey-dark);
}
.section-head { margin-bottom: var(--s-6); }

/* ==========================================================================
   Buttons: Inter, title case, 2px radius, 48px min target
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-1);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  min-height: 48px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-align: center;
  transition: background-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.btn-sm { padding: 12px 22px; font-size: 14px; min-height: 44px; }

/* Primary: accent fill, black label (6.50:1) */
.btn-primary { background: var(--accent); color: var(--black); border-color: var(--accent); }
.btn-primary:hover {
  background: var(--white);
  border-color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent), 0 10px 30px -12px var(--accent);
}
.btn-primary:active {
  transform: translateY(0);
}

/* Outline on light */
.btn-outline { border-color: var(--black); color: var(--black); background: transparent; }
.btn-outline:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent), 0 10px 30px -12px var(--accent);
}
.btn-outline:active { transform: translateY(0); }

/* Outline on dark */
.btn-on-dark { border-color: var(--line-on-dark-strong); color: var(--white); }
.btn-on-dark:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent), 0 10px 30px -12px var(--accent);
}
.btn-on-dark:active { transform: translateY(0); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  border-bottom: 1px solid var(--line-on-dark);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header.is-stuck { box-shadow: 0 8px 24px -16px rgba(10, 10, 10, 0.9); }

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  min-height: var(--header-h);
  padding: var(--s-1) var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-right: var(--s-1);
}
.brand-mark { height: 26px; width: auto; }

.main-nav ul { display: flex; align-items: center; gap: var(--s-4); }
.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--grey-light);
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.main-nav a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.main-nav a:active { color: var(--white); }

.header-actions { display: flex; align-items: center; gap: var(--s-2); }

.header-phone {
  display: none;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--s-1);
  font-size: 14px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--grey-light);
  transition: color var(--dur) var(--ease);
}
.header-phone:hover { color: var(--accent); }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line-on-dark-strong);
  border-radius: var(--radius);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav-toggle:hover { background: var(--surface-hover-dark); border-color: var(--grey-light); }
.nav-toggle:active { background: rgba(230, 230, 230, 0.12); }
.nav-toggle-bars { display: flex; flex-direction: column; gap: 5px; }
.nav-toggle-bar {
  display: block; width: 20px; height: 2px; background: var(--white);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--black);
  z-index: 99;
  padding: var(--s-4) var(--gutter) var(--s-6);
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.mobile-menu[hidden] { display: none; }
.mobile-menu.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-menu ul { display: flex; flex-direction: column; margin-bottom: var(--s-4); }
.mobile-menu li + li { border-top: 1px solid var(--line-on-dark); }
.mobile-menu ul a {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: var(--s-1) 0;
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  transition: color var(--dur) var(--ease);
}
.mobile-menu ul a:hover { color: var(--accent); }
.mobile-menu-footer { display: flex; flex-direction: column; gap: var(--s-2); align-items: stretch; }
.mobile-menu-phone {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.mobile-menu-phone:hover { color: var(--white); }

@media (min-width: 900px) {
  .main-nav { display: block; }
  .nav-toggle { display: none; }
  .mobile-menu { display: none !important; }
  .header-phone { display: inline-flex; }
}
@media (max-width: 899px) {
  .main-nav { display: none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { background: var(--black); color: var(--grey-light); overflow: hidden; }

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--s-7) var(--gutter) var(--s-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-6);
  align-items: center;
}
.hero-copy { min-width: 0; }

.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(36px, 9vw, 76px);
  line-height: 1.06;
  letter-spacing: 0.05em;
  color: var(--white);
  margin: 0 0 var(--s-3);
}
.hero-headline span { display: block; }

.hero-tagline {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--white);
  margin-bottom: var(--s-2);
}
.hero-sub {
  max-width: 48ch;
  font-size: 17px;
  color: var(--text-muted-on-dark);
  margin-bottom: var(--s-5);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-2); }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; min-width: 0; margin-top: 8px; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: -35% -45%;
  background: radial-gradient(ellipse farthest-side at 50% 50%, rgba(45, 156, 219, 0.18) 0%, rgba(45, 156, 219, 0.09) 35%, rgba(45, 156, 219, 0.03) 65%, transparent 100%);
  pointer-events: none;
}
.drip-svg { position: relative; width: auto; height: clamp(200px, 42vw, 400px); max-width: 100%; overflow: visible; }

.drip-line { fill: none; stroke: var(--grey-dark); stroke-width: 2; stroke-linejoin: miter; }
.drip-bag { fill: rgba(45, 156, 219, 0.08); }
.drip-fluid { fill: rgba(45, 156, 219, 0.32); stroke: none; }
.drip-label-line { stroke: rgba(230, 230, 230, 0.24); stroke-width: 1.5; }
.drip-tube { stroke-width: 2.5; }
.drip-clamp { fill: var(--black); stroke-width: 2; }
.drip-port { fill: var(--black); stroke-width: 2; }
.drip-port-pulse { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.drip-drop { fill: var(--accent); }

.ticker {
  border-top: 1px solid var(--line-on-dark);
  overflow: hidden;
  padding: var(--s-2) 0;
}
.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 30s linear infinite;
}
.ticker-set { display: flex; flex-shrink: 0; }
.ticker-track span {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--text-muted-on-dark);
  white-space: nowrap;
  margin-right: var(--s-6);
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-100% / 8)); }
}

@media (min-width: 760px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    padding-top: var(--s-9);
    padding-bottom: var(--s-8);
    gap: var(--s-7);
  }
  .hero-visual { margin-top: 0; }
}

/* ==========================================================================
   Treatments
   ========================================================================== */
.treatment-grid {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--grey-light);
}
.treatment-card {
  flex: 0 1 100%;
  max-width: 100%;
  background: var(--white);
  padding: var(--s-4) var(--s-3);
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--grey-light);
  border-left: 1px solid var(--grey-light);
  border-right: 1px solid var(--grey-light);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.treatment-card:hover {
  background: var(--surface-hover-light);
  transform: translateY(-4px);
  box-shadow: 0 18px 34px -16px rgba(10, 10, 10, 0.35);
  position: relative;
  z-index: 1;
}
.treatment-icon {
  display: inline-flex;
  width: 32px; height: 32px;
  align-items: center; justify-content: flex-start;
  margin-bottom: var(--s-2);
  color: var(--accent);
}
.treatment-icon svg { width: 26px; height: 26px; stroke: currentColor; stroke-width: 1.5; fill: none; }
.treatment-card h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -0.005em;
  margin-bottom: var(--s-1);
}
.treatment-card p {
  color: var(--grey-dark);
  font-size: 15px;
  margin-bottom: var(--s-3);
  flex: 1 1 auto;
}
.treatment-price {
  display: block;
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--black);
  border-top: 1px solid var(--grey-light);
  padding-top: var(--s-2);
  margin-top: auto;
}
.treatment-coming-soon {
  display: block;
  width: -moz-fit-content;
  width: fit-content;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--grey-dark);
  border: 1px solid var(--line-on-light-strong);
  border-radius: var(--radius);
  padding: 2px 8px;
  margin-bottom: var(--s-1);
}

@media (min-width: 640px) { .treatment-card { flex-basis: 50%; max-width: 50%; } }
@media (min-width: 1000px) { .treatment-card { flex-basis: 25%; max-width: 25%; } }

/* ==========================================================================
   Split sections (About / Fighters)
   ========================================================================== */
.split-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
}
.split-body p {
  color: var(--text-muted-on-dark);
  font-size: 17px;
  max-width: 56ch;
  margin-bottom: var(--s-3);
}
.split-body .btn { margin-top: var(--s-2); }

.outcome-list { margin-top: var(--s-4); }
.outcome-list li {
  display: flex;
  align-items: baseline;
  gap: var(--s-2);
  padding: var(--s-2) 0;
  border-top: 1px solid var(--line-on-dark);
  font-size: 16px;
  font-weight: 500;
  color: var(--white);
}
.outcome-list li:last-child { border-bottom: 1px solid var(--line-on-dark); }
.outcome-list li span { color: var(--accent); font-size: 15px; }

.fight-stat {
  margin: var(--s-1) 0 var(--s-4);
  padding: var(--s-4) 0;
  border-top: 1px solid var(--line-on-dark);
  border-bottom: 1px solid var(--line-on-dark);
}
.fight-stat-copy {
  display: flow-root;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-muted-on-dark);
  max-width: 58ch;
  margin: 0;
}
.fight-stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(52px, 9vw, 88px);
  line-height: 0.85;
  letter-spacing: 0.01em;
  color: var(--accent);
}
.fight-stat-num--left { float: left; margin: 4px var(--s-2) var(--s-1) 0; }
.fight-stat-num--right { float: right; font-size: clamp(40px, 6.5vw, 64px); margin: 0 0 var(--s-1) var(--s-2); }

.fight-pull {
  font-size: 19px !important;
  font-weight: 600;
  color: var(--white) !important;
  max-width: 44ch !important;
  margin-bottom: var(--s-4) !important;
}

@media (max-width: 560px) {
  .fight-stat-num--left,
  .fight-stat-num--right { float: none; display: block; margin: 0 0 var(--s-1); }
  .fight-stat-num--right { margin-top: var(--s-2); }
}
@media (min-width: 900px) {
  .split-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s-7); }
}

/* ==========================================================================
   Process
   ========================================================================== */
.process-list { max-width: 760px; border-top: 1px solid var(--grey-light); }
.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-3);
  padding: var(--s-4) 0;
  border-bottom: 1px solid var(--grey-light);
  align-items: baseline;
}
.process-num {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  color: var(--grey-dark);
}
.process-copy h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 20px;
  margin-bottom: var(--s-1);
}
.process-copy p { color: var(--grey-dark); max-width: 52ch; }

@media (min-width: 640px) { .process-step { grid-template-columns: 96px 1fr; } }

/* ==========================================================================
   Coverage
   ========================================================================== */
.coverage-grid {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line-on-dark);
}
.coverage-card {
  flex: 0 1 100%;
  max-width: 100%;
  background: var(--black);
  padding: var(--s-4) var(--s-3);
  border-top: 1px solid var(--line-on-dark);
  border-left: 1px solid var(--line-on-dark);
  border-right: 1px solid var(--line-on-dark);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.coverage-card:hover {
  background: rgba(230, 230, 230, 0.05);
  transform: translateY(-4px);
  box-shadow: 0 18px 34px -16px rgba(230, 230, 230, 0.25);
  position: relative;
  z-index: 1;
}
.coverage-card h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  color: var(--white);
  margin-bottom: var(--s-1);
}
.coverage-card p { color: var(--text-muted-on-dark); font-size: 15px; }
.coverage-card-wide {
  flex-basis: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--s-1);
}
.coverage-card-wide p { max-width: 54ch; }
.coverage-card-wide a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--dur) var(--ease), text-decoration-thickness var(--dur) var(--ease);
}
.coverage-card-wide a:hover { color: var(--white); text-decoration-thickness: 2px; }

@media (min-width: 640px) { .coverage-card { flex-basis: 50%; max-width: 50%; } }
@media (min-width: 1000px) { .coverage-card { flex-basis: 25%; max-width: 25%; } }
.coverage-card.coverage-card-wide { flex-basis: 100%; max-width: 100%; }

/* ==========================================================================
   Pricing
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-3);
}
.pricing-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line-on-light);
  border-radius: var(--radius);
  padding: var(--s-4) var(--s-3);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--line-on-light-strong);
  z-index: 1;
}
.pricing-card h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.02em;
}
.pricing-amount {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 30px;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  margin: var(--s-1) 0;
}
.pricing-amount span { font-size: 14px; font-weight: 500; color: var(--grey-dark); }
.pricing-desc { color: var(--grey-dark); font-size: 15px; margin-bottom: var(--s-3); }
.pricing-card .btn { margin-top: auto; }

.pricing-featured {
  background: var(--black);
  border-color: var(--black);
  color: var(--grey-light);
}
.pricing-featured h3 { color: var(--white); }
.pricing-featured .pricing-amount { color: var(--white); }
.pricing-featured .pricing-amount span { color: var(--text-muted-on-dark); }
.pricing-featured .pricing-desc { color: var(--text-muted-on-dark); }
.pricing-featured:hover { box-shadow: var(--shadow-lg); }

.pricing-tag {
  position: absolute;
  top: -13px;
  left: var(--s-3);
  background: var(--accent);
  color: var(--black);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1;
  padding: 7px 12px;
  border-radius: var(--radius);
}
.pricing-note { color: var(--grey-dark); font-size: 14px; margin-top: var(--s-4); max-width: 60ch; }

@media (min-width: 800px) {
  .pricing-grid { grid-template-columns: repeat(3, 1fr); gap: var(--s-3); align-items: stretch; }
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list { max-width: 800px; border-top: 1px solid var(--grey-light); }
.faq-item { border-bottom: 1px solid var(--grey-light); }
.faq-heading { margin: 0; font: inherit; font-weight: 400; }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-1);
  min-height: 56px;
  text-align: left;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.4;
  color: var(--black);
  transition: background-color var(--dur) var(--ease);
}
.faq-question:hover { background: var(--surface-hover-light); }
.faq-question:active { background: rgba(10, 10, 10, 0.07); }

.faq-icon { position: relative; width: 16px; height: 16px; flex: none; }
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; background: var(--black);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.faq-icon::before { top: 7px; left: 0; width: 16px; height: 2px; }
.faq-icon::after { top: 0; left: 7px; width: 2px; height: 16px; }
.faq-question[aria-expanded="true"] .faq-icon::before { background: var(--accent); }
.faq-question[aria-expanded="true"] .faq-icon::after { transform: rotate(90deg); opacity: 0; }

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.28s var(--ease);
}
.faq-answer > .faq-answer-inner {
  overflow: hidden;
  /* Keep collapsed copy out of the accessibility tree, not just out of sight. */
  visibility: hidden;
  transition: visibility 0s linear 0.28s;
}
.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }
.faq-item.is-open .faq-answer > .faq-answer-inner { visibility: visible; transition-delay: 0s; }
.faq-answer p {
  padding: 0 var(--s-1) var(--s-3);
  color: var(--grey-dark);
  font-size: 16px;
  max-width: 64ch;
}

/* ==========================================================================
   Closing CTA
   ========================================================================== */
.cta-inner { padding-top: var(--s-1); padding-bottom: var(--s-1); }
.cta-headline {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(32px, 7vw, 64px);
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: var(--s-3);
}
.cta-sub { font-size: 18px; color: var(--text-muted-on-dark); max-width: 46ch; margin-bottom: var(--s-5); }
.cta-actions { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-bottom: var(--s-4); }
.cta-hours { font-size: 14px; color: var(--text-muted-on-dark); }

/* ==========================================================================
   Policy / legal pages
   ========================================================================== */
.policy { padding: var(--s-8) 0; }
.policy-title {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.15;
  letter-spacing: 0.05em;
  margin-bottom: var(--s-2);
}
.policy-updated { color: var(--grey-dark); font-size: 15px; margin-bottom: var(--s-6); }
.policy-body { max-width: 72ch; }
.policy-body h2 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.005em;
  margin: var(--s-6) 0 var(--s-2);
}
.policy-body p { margin-bottom: var(--s-3); color: var(--black); }
.policy-body ul { margin: 0 0 var(--s-3); padding-left: var(--s-3); list-style: disc; }
.policy-body li { margin-bottom: var(--s-1); color: var(--black); }
.policy-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.policy-body a:hover { color: var(--black); }

@media (min-width: 1024px) {
  .policy { padding: var(--s-10) 0; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--black); color: var(--grey-light); border-top: 1px solid var(--line-on-dark); }
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--s-7) var(--gutter) var(--s-5);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
}
.footer-brand .brand-mark { height: 30px; margin-bottom: var(--s-2); }
.footer-brand p { max-width: 34ch; color: var(--text-muted-on-dark); font-size: 15px; }

.footer-col-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--text-muted-on-dark);
  margin: 0 0 var(--s-1);
}
.footer-col ul { display: flex; flex-direction: column; }
.footer-col a,
.footer-static {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  color: var(--grey-light);
  overflow-wrap: anywhere;
  transition: color var(--dur) var(--ease);
}
.footer-static { color: var(--text-muted-on-dark); }
.footer-col a:hover { color: var(--accent); }

.footer-legal { border-top: 1px solid var(--line-on-dark); }
.footer-legal-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--s-3) var(--gutter);
}
.footer-legal p { font-size: 13px; color: var(--text-muted-on-dark); max-width: 90ch; }
.footer-legal-links { margin-top: var(--s-1); display: flex; align-items: center; gap: var(--s-1); flex-wrap: wrap; }
.footer-legal-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--grey-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}
.footer-legal-links a:hover { color: var(--accent); }

@media (min-width: 640px) {
  .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (min-width: 960px) {
  .footer-inner { grid-template-columns: 1.5fr repeat(3, minmax(0, 1fr)); gap: var(--s-6); }
  .footer-brand { grid-column: auto; }
}

/* ==========================================================================
   Shared pressed state for text links and controls
   ========================================================================== */
.section-black a:not(.btn):active,
.site-footer a:active,
.site-header a:not(.btn):active,
.mobile-menu a:not(.btn):active { color: var(--accent); opacity: 0.75; }

.section-white a:not(.btn):active,
.section-grey a:not(.btn):active { opacity: 0.7; }

.brand:active { opacity: 0.75; }
.skip-link:hover { box-shadow: inset 0 0 0 999px var(--ink-scrim); }

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }
.no-js [data-reveal] { opacity: 1; transform: none; }

/* ==========================================================================
   Scroll progress
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  z-index: 210;
  pointer-events: none;
  background: transparent;
}
.scroll-progress-bar {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent);
}

/* ==========================================================================
   Scrollspy active nav state
   ========================================================================== */
.main-nav a.is-active { color: var(--accent); border-bottom-color: var(--accent); }
.mobile-menu ul a.is-active { color: var(--accent); }

/* ==========================================================================
   Ticker: pause while inspected
   ========================================================================== */
.ticker:hover .ticker-track { animation-play-state: paused; }

/* ==========================================================================
   Pointer-tracked shine (buttons + cards)
   ========================================================================== */
.btn {
  position: relative;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(160px circle at var(--mx, 50%) var(--my, 50%), rgba(45, 156, 219, 0.35), transparent 70%);
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
}
.btn:hover::before { opacity: 1; }

/* ==========================================================================
   Treatment filter
   ========================================================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-1);
  margin-bottom: var(--s-4);
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 var(--s-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  color: var(--grey-dark);
  border: 1px solid var(--line-on-light-strong);
  border-radius: var(--radius);
  background: transparent;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.filter-chip:hover { border-color: var(--black); color: var(--black); }
.filter-chip.is-active { background: var(--black); border-color: var(--black); color: var(--white); }
.filter-status {
  font-size: 13px;
  color: var(--grey-dark);
  margin-left: auto;
}
.treatment-card.is-hidden { display: none; }

/* ==========================================================================
   Coverage search
   ========================================================================== */
.coverage-search { margin-bottom: var(--s-4); max-width: 420px; }
.coverage-search-label {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-muted-on-dark);
  margin-bottom: var(--s-1);
}
.coverage-search-input {
  width: 100%;
  min-height: 48px;
  padding: 0 var(--s-2);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--white);
  background: rgba(230, 230, 230, 0.06);
  border: 1px solid var(--line-on-dark-strong);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.coverage-search-input::placeholder { color: var(--grey-dark); }
.coverage-search-input:hover { border-color: var(--grey-light); }
.coverage-search-input:focus-visible { border-color: var(--accent); outline: none; }
.coverage-card.is-hidden { display: none; }
.coverage-search-empty {
  flex-basis: 100%;
  max-width: 100%;
  color: var(--text-muted-on-dark);
  font-size: 15px;
  padding: var(--s-2) 0;
}
.coverage-search-empty a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.coverage-search-empty a:hover { color: var(--white); }

/* ==========================================================================
   FAQ search
   ========================================================================== */
.faq-search { margin-bottom: var(--s-3); max-width: 420px; }
.faq-search-input {
  width: 100%;
  min-height: 48px;
  padding: 0 var(--s-2);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--black);
  background: var(--white);
  border: 1px solid var(--line-on-light-strong);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease);
}
.faq-search-input::placeholder { color: var(--grey-dark); }
.faq-search-input:hover { border-color: var(--black); }
.faq-search-input:focus-visible { border-color: var(--accent); outline: none; }
.faq-item.is-hidden { display: none; }
.faq-empty { color: var(--grey-dark); font-size: 15px; padding: var(--s-2) 0; }
.faq-empty a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.faq-empty a:hover { color: var(--black); }

/* ==========================================================================
   Back to top
   ========================================================================== */
.back-to-top {
  position: fixed;
  right: var(--s-3);
  bottom: var(--s-3);
  z-index: 120;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--black);
  color: var(--white);
  border: 1px solid var(--line-on-dark-strong);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.back-to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.back-to-top:hover { background: var(--accent); color: var(--black); border-color: var(--accent); }
.back-to-top svg { width: 20px; height: 20px; }

/* ==========================================================================
   Mobile sticky book bar
   ========================================================================== */
.mobile-book-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 110;
  display: flex;
  gap: var(--s-2);
  padding: var(--s-2) var(--gutter);
  background: var(--black);
  border-top: 1px solid var(--line-on-dark);
  box-shadow: 0 -8px 24px -16px rgba(10, 10, 10, 0.9);
  transform: translateY(100%);
  transition: transform var(--dur) var(--ease);
}
.mobile-book-bar.is-visible { transform: translateY(0); }
.mobile-book-bar-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex: none;
  color: var(--white);
  border: 1px solid var(--line-on-dark-strong);
  border-radius: var(--radius);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.mobile-book-bar-call:hover { color: var(--accent); border-color: var(--accent); }
.mobile-book-bar-call svg { width: 20px; height: 20px; }
.mobile-book-bar-book { flex: 1 1 auto; }

@media (min-width: 900px) {
  .mobile-book-bar { display: none !important; }
}

/* ==========================================================================
   Wide-screen rhythm
   ========================================================================== */
@media (min-width: 1024px) {
  :root { --gutter: 40px; }
  .section { padding: var(--s-10) 0; }
  .section-head { margin-bottom: var(--s-7); }
  .treatment-card { padding: var(--s-5) var(--s-4); }
  .coverage-card { padding: var(--s-5) var(--s-4); }
  .pricing-card { padding: var(--s-5) var(--s-4); }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .ticker-track { animation: none; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}
