/* Revive Me Lounge: website concept. Plain CSS, no framework. */

:root {
  --ivory: #F7F2EC;
  --cream: #FBF8F4;
  --sand: #EFE5DA;
  --linen: #E6D8CA;
  --nude: #D9C2AE;
  --clay: #B8896B;
  --clay-deep: #8A5C43;
  --cocoa: #5B4234;
  --espresso: #2B211C;
  --champagne: #CBB08A;
  --muted: #6E5E54;
  --line: rgba(43, 33, 28, 0.12);
  --on-dark: #F2E8DE;
  --on-dark-muted: rgba(242, 232, 222, 0.72);

  --serif: "Cormorant Garamond", "Cormorant", Georgia, "Times New Roman", serif;
  --sans: "Jost", "Helvetica Neue", Arial, sans-serif;

  --radius: 28px;
  --shadow: 0 30px 70px -38px rgba(60, 40, 28, 0.5);
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
  --gutter: clamp(16px, 4vw, 56px);
  --max: 1240px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--espresso);
  font-family: var(--sans);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open { overflow: hidden; }

[hidden] { display: none !important; }

main,
.site-footer { overflow-x: clip; }

img,
svg,
canvas { display: block; max-width: 100%; }

a { color: inherit; }

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 300;
  letter-spacing: -0.01em;
}

h1 em,
h2 em { font-style: italic; color: var(--clay-deep); }

.i {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.container { max-width: var(--max); margin: 0 auto; }

section[id],
form[id] { scroll-margin-top: 84px; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  background: var(--espresso);
  color: var(--ivory);
}

.skip-link:focus { top: 16px; }

:focus-visible { outline: 2px solid var(--clay-deep); outline-offset: 3px; }

/* Concept ribbon */

.concept-ribbon {
  position: relative;
  padding: 0.55rem 3rem 0.55rem var(--gutter);
  background: var(--espresso);
  color: rgba(242, 232, 222, 0.86);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
  text-align: center;
}

.concept-ribbon p { margin: 0; }
.concept-ribbon strong { color: #F6EADC; font-weight: 500; }

.concept-ribbon .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 0.6rem;
  border-radius: 50%;
  background: var(--champagne);
  box-shadow: 0 0 0 3px rgba(203, 176, 138, 0.2);
  vertical-align: middle;
}

.ribbon-close {
  position: absolute;
  top: 50%;
  right: 8px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
  translate: 0 -50%;
}

.ribbon-close:hover { background: rgba(255, 255, 255, 0.08); }

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background-color 0.4s, box-shadow 0.4s;
}

.site-header.is-scrolled {
  background: rgba(247, 242, 236, 0.86);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 16px var(--gutter);
}

.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--champagne), var(--clay));
  transform: scaleX(0);
  transform-origin: left;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--espresso);
  text-decoration: none;
}

.brand-mark { width: 36px; height: 36px; color: var(--clay-deep); }
.brand-mark svg { width: 100%; height: 100%; }

.brand-text { display: flex; flex-direction: column; line-height: 1; }

.brand-word {
  font-family: var(--serif);
  font-size: 1.62rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.brand-word em { font-style: italic; }

.brand-sub {
  margin-top: 0.28rem;
  color: var(--muted);
  font-size: 0.56rem;
  letter-spacing: 0.52em;
  text-transform: uppercase;
}

.nav-links { display: flex; gap: 2.1rem; margin-left: auto; }

.nav-links a {
  position: relative;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--ease);
}

.nav-links a:hover::after,
.nav-links a.is-current::after { transform: scaleX(1); transform-origin: left; }

.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.7rem;
  margin-left: auto;
  padding: 0.6rem 0.2rem;
  border: 0;
  background: none;
  color: var(--espresso);
  font: 500 0.74rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
}

.menu-toggle i,
.menu-toggle i::before {
  display: block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
}

.menu-toggle i { position: relative; top: -3px; }
.menu-toggle i::before { content: ""; position: relative; top: 6px; }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2.5rem;
  padding: 5rem var(--gutter) 3rem;
  background: var(--ivory);
  animation: menuIn 0.5s var(--ease);
}

.mobile-menu[hidden] { display: none; }

.mobile-menu nav { display: flex; flex-direction: column; gap: 0.4rem; }

.mobile-menu nav a {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 9vw, 3rem);
  font-weight: 300;
  line-height: 1.25;
  text-decoration: none;
}

.mobile-menu .btn { align-self: flex-start; }

.menu-close {
  position: absolute;
  top: 18px;
  right: var(--gutter);
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--espresso);
  cursor: pointer;
}

@keyframes menuIn { from { opacity: 0; } to { opacity: 1; } }

/* Buttons */

.btn {
  --bg: transparent;
  --fg: var(--espresso);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1.05rem 1.7rem;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--bg);
  color: var(--fg);
  font: 500 0.76rem/1.1 var(--sans);
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.4s, color 0.4s, border-color 0.4s, box-shadow 0.5s, translate 0.5s var(--ease);
}

.btn-primary {
  --bg: var(--espresso);
  --fg: var(--ivory);
  box-shadow: 0 16px 30px -16px rgba(43, 33, 28, 0.6);
}

.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.24) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.9s var(--ease);
}

.btn-primary:hover { --bg: var(--cocoa); }
.btn-primary:hover::after { transform: translateX(120%); }

.btn-ghost { border-color: rgba(43, 33, 28, 0.24); }
.btn-ghost:hover { border-color: var(--espresso); background: rgba(43, 33, 28, 0.04); }

.btn-ghost .i { transition: translate 0.5s var(--ease); }
.btn-ghost:hover .i { translate: 4px 0; }

.btn-small { padding: 0.8rem 1.25rem; font-size: 0.7rem; }
.btn-block { width: 100%; }

/* Shared section pieces */

.section { padding: clamp(5rem, 11vw, 9.5rem) var(--gutter); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 1.4rem;
  color: var(--clay-deep);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }

h2 { font-size: clamp(2.5rem, 5.4vw, 4.6rem); line-height: 1.02; }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 1.5rem 5rem;
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 4.8rem);
}

.lead { margin: 0; max-width: 31rem; color: var(--muted); font-size: 1.08rem; }

/* Reveal on scroll (only hidden when JS is running; hover effects use transform so they never clash) */

.js .reveal { opacity: 0; }
.js .reveal.is-in { animation: revealIn 1.1s var(--ease) var(--d, 0s) both; }
.reveal-all .reveal { opacity: 1 !important; }

@keyframes revealIn {
  from { opacity: 0; translate: 0 34px; }
  to { opacity: 1; translate: 0 0; }
}

.fade-in { animation: fadeUp 1s var(--ease) both; animation-delay: var(--d, 0s); }

@keyframes fadeUp {
  from { opacity: 0; translate: 0 18px; }
  to { opacity: 1; translate: 0 0; }
}

/* Cormorant uses old-style figures by default: prices and numbers read better as lining figures. */
.specs dd,
.concern-meta dd,
.stat strong,
.step-n,
.treatment-index,
.hero-proof strong { font-variant-numeric: lining-nums; }

/* Hero */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: 2rem;
  align-items: center;
  max-width: calc(var(--max) + 2 * var(--gutter));
  min-height: min(860px, calc(100svh - 110px));
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) var(--gutter) clamp(3.5rem, 7vw, 5.5rem);
}

.hero-title {
  margin: 0 0 1.9rem;
  font-size: clamp(3.3rem, 7.4vw, 6.4rem);
  font-weight: 300;
  line-height: 0.95;
}

.hero-title .line {
  display: block;
  overflow: hidden;
  padding: 0 0.14em 0.07em 0;
  margin-bottom: -0.07em;
}

.hero-title .line > span {
  display: inline-block;
  transform: translateY(108%);
  animation: rise 1.25s var(--ease) forwards;
  animation-delay: calc(0.15s + var(--i, 0) * 0.13s);
}

@keyframes rise { to { transform: translateY(0); } }

.hero-lead {
  max-width: 31rem;
  margin: 0 0 2.3rem;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.35vw, 1.18rem);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2.8rem; }

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.4rem;
  margin: 0;
  padding: 1.6rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
  list-style: none;
}

.hero-proof li { max-width: 11rem; }

.hero-proof strong {
  display: block;
  color: var(--espresso);
  font-family: var(--serif);
  font-size: 1.55rem;
  font-style: italic;
  font-weight: 400;
  line-height: 1.15;
}

.hero-visual {
  position: relative;
  height: min(660px, 76vh);
  min-height: 480px;
}

.aura { position: absolute; inset: 0; width: 100%; height: 100%; }

.spin-badge {
  position: absolute;
  top: 2%;
  right: 4%;
  width: 118px;
  height: 118px;
  animation: fadeUp 1s 1.2s var(--ease) both;
}

.spin-badge svg { width: 100%; height: 100%; animation: spin 26s linear infinite; }

.spin-badge text {
  fill: var(--cocoa);
  font: 500 8.6px var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.spin-badge .spark { fill: var(--clay); }

@keyframes spin { to { rotate: 360deg; } }

.chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  background: rgba(255, 252, 248, 0.64);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px -18px rgba(60, 40, 28, 0.55);
  color: var(--espresso);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  animation: chipIn 0.9s var(--ease) both, float 7s ease-in-out infinite alternate;
  animation-delay: var(--d, 1s), calc(var(--d, 1s) * -2);
}

.chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--clay);
  box-shadow: 0 0 0 4px rgba(184, 137, 107, 0.18);
}

.chip-1 { top: 13%; left: 3%; }
.chip-2 { top: 39%; right: 0; }
.chip-3 { bottom: 31%; right: 8%; }
.chip-4 { top: 6%; left: 40%; }
.chip-5 { bottom: 10%; right: 34%; }

@keyframes chipIn {
  from { opacity: 0; scale: 0.85; }
  to { opacity: 1; scale: 1; }
}

@keyframes float {
  from { translate: 0 -8px; }
  to { translate: 0 10px; }
}

.hero-card {
  position: absolute;
  left: 0;
  bottom: 3%;
  width: clamp(170px, 36%, 228px);
  margin: 0;
  padding: 10px 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 24px;
  background: rgba(255, 252, 248, 0.68);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  animation: fadeUp 1.1s 0.95s var(--ease) both;
}

.hero-card .ba { border-radius: 16px; box-shadow: none; }

.hero-card figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.7rem 0.35rem 0;
}

.hero-card figcaption strong { font-family: var(--serif); font-size: 1.16rem; font-weight: 500; }

.hero-card figcaption span {
  color: var(--muted);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ba-mini .ba-knob { width: 38px; height: 38px; margin: -19px 0 0 -19px; }
.ba-mini .ba-tag { top: 10px; padding: 0.32rem 0.6rem; font-size: 0.58rem; }
.ba-mini .ba-tag-before { left: 10px; }
.ba-mini .ba-tag-after { right: 10px; }

/* Marquee */

.marquee {
  overflow: hidden;
  padding: 1.35rem 0;
  border-block: 1px solid var(--line);
  background: var(--cream);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 46s linear infinite;
}

.marquee-group { display: flex; flex-shrink: 0; align-items: center; }

.marquee span {
  padding: 0 1.7rem;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.1vw, 2.5rem);
  font-style: italic;
  font-weight: 300;
  white-space: nowrap;
}

.marquee svg { width: 16px; height: 16px; color: var(--clay); }

@keyframes marquee { to { transform: translateX(-50%); } }

/* Concerns */

.concern-tabs { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }

.concern-tab,
.filter-btn {
  padding: 0.85rem 1.3rem;
  border: 1px solid rgba(43, 33, 28, 0.18);
  border-radius: 999px;
  background: transparent;
  color: var(--espresso);
  font: 400 0.92rem/1.2 var(--sans);
  cursor: pointer;
  transition: background-color 0.35s, color 0.35s, border-color 0.35s;
}

.concern-tab:hover,
.filter-btn:hover { border-color: var(--espresso); }

.concern-tab[aria-selected="true"],
.filter-btn.is-active {
  border-color: var(--espresso);
  background: var(--espresso);
  color: var(--ivory);
}

.concern-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}

.lens {
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 470px;
  aspect-ratio: 1;
}

.lens-ring { position: absolute; inset: 0; width: 100%; height: 100%; animation: spin 50s linear infinite; }

.lens-ring text {
  fill: var(--clay-deep);
  font: 500 7.4px var(--sans);
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.lens-view {
  position: absolute;
  inset: 9%;
  overflow: hidden;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--nude), var(--clay));
  box-shadow: var(--shadow), 0 0 0 10px rgba(255, 252, 248, 0.6);
}

.lens-view canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: opacity 0.9s var(--ease), scale 1.2s var(--ease);
}

.lens-view canvas.is-hidden { opacity: 0; scale: 1.06; }

.lens-tag {
  position: absolute;
  right: 0;
  bottom: 13%;
  padding: 0.55rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  background: rgba(255, 252, 248, 0.82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px -18px rgba(60, 40, 28, 0.55);
  font-size: 0.78rem;
}

.concern-panel h3 { margin-bottom: 1rem; font-size: clamp(2.1rem, 3.5vw, 2.9rem); line-height: 1.05; }
.concern-panel > p { max-width: 34rem; margin: 0; color: var(--muted); }
.concern-panel:not([hidden]) { animation: fadeUp 0.7s var(--ease); }

.concern-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.8rem 0 2rem;
  padding: 1.5rem 0;
  border-block: 1px solid var(--line);
}

.concern-meta dt,
.specs dt,
.visit-card dt {
  margin-bottom: 0.35rem;
  color: var(--clay-deep);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.concern-meta dd { margin: 0; font-family: var(--serif); font-size: 1.32rem; line-height: 1.25; }

.concern-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }

/* Treatments */

.promise {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin: 1.4rem 0 0;
  padding: 0;
  font-size: 0.85rem;
  list-style: none;
}

.promise li { display: inline-flex; align-items: center; gap: 0.5rem; }

.promise li::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--sand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M4 7.2l2 2 4-4.4' fill='none' stroke='%238A5C43' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat;
}

.filter {
  scroll-margin-top: 100px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: clamp(1rem, 3vw, 2rem);
}

.filter-btn { padding: 0.65rem 1.1rem; font-size: 0.86rem; }

.filter-count { margin-left: auto; color: var(--muted); font-size: 0.85rem; }

.treatment {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6.5rem);
  align-items: center;
  padding-block: clamp(2.5rem, 5.5vw, 4.5rem);
  border-bottom: 1px solid var(--line);
}

.treatment.flip .ba-wrap { order: 2; }
.js .treatment.pop.is-in { animation: fadeUp 0.8s var(--ease) both; }

.ba-wrap { margin: 0; }

.ba-wrap figcaption {
  display: flex;
  justify-content: space-between;
  margin-top: 0.9rem;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.treatment-index { margin: 0 0 0.7rem; color: var(--clay-deep); font-family: var(--serif); font-size: 1.15rem; font-style: italic; }

.treatment h3 { margin-bottom: 1.1rem; font-size: clamp(2.2rem, 3.6vw, 3.2rem); line-height: 1.02; }

.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0 0 1.4rem; padding: 0; list-style: none; }

.tags li {
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  background: var(--sand);
  color: var(--cocoa);
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.treatment .desc { max-width: 32rem; margin: 0 0 1.8rem; color: var(--muted); }

.specs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 2rem;
  border-block: 1px solid var(--line);
}

.specs > div { padding: 1rem 0.9rem 1rem 0; }
.specs > div + div { padding-left: 0.9rem; border-left: 1px solid var(--line); }
.specs dd { margin: 0; font-family: var(--serif); font-size: 1.25rem; line-height: 1.2; }

.consent-note {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  max-width: 46rem;
  margin: clamp(2.5rem, 5vw, 3.5rem) 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.consent-note .i { margin-top: 0.2rem; color: var(--clay-deep); }

/* Before and after slider */

.ba {
  --pos: 50%;
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--nude), var(--clay));
  box-shadow: var(--shadow);
  cursor: ew-resize;
  isolation: isolate;
  touch-action: pan-y;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.ba canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.ba-before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }

.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 2px;
  margin-left: -1px;
  background: rgba(255, 250, 244, 0.92);
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.25);
  pointer-events: none;
}

.ba-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin: -27px 0 0 -27px;
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  background: rgba(255, 250, 244, 0.8);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  color: var(--espresso);
  transition: scale 0.4s var(--ease);
}

.ba.is-dragging .ba-knob { scale: 1.12; }

.ba-tag {
  position: absolute;
  top: 16px;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(36, 26, 21, 0.45);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #FBF4EC;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  pointer-events: none;
  transition: opacity 0.3s;
}

.ba-tag-before { left: 16px; }
.ba-tag-after { right: 16px; }

.ba-note {
  position: absolute;
  right: 16px;
  bottom: 14px;
  color: rgba(255, 250, 244, 0.86);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
  text-transform: uppercase;
  pointer-events: none;
}

.ba-range {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.ba:focus-within { outline: 2px solid var(--clay-deep); outline-offset: 4px; }

/* Ritual (dark, animated) */

.ritual {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 600px at 85% 0%, rgba(122, 86, 64, 0.55), transparent 60%),
    radial-gradient(900px 520px at 0% 100%, rgba(92, 64, 50, 0.6), transparent 60%),
    var(--espresso);
  color: var(--on-dark);
}

.ritual .neural { position: absolute; inset: 0; width: 100%; height: 100%; }
.ritual .container { position: relative; z-index: 1; }
.ritual .eyebrow,
.ritual h2 em { color: var(--champagne); }
.ritual .lead { color: var(--on-dark-muted); }

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.2rem;
  margin: 0 0 clamp(4rem, 8vw, 6rem);
  padding: 0;
  list-style: none;
}

.step {
  padding: 2rem 1.6rem 2.2rem;
  border: 1px solid rgba(203, 176, 138, 0.2);
  border-radius: 22px;
  background: rgba(43, 33, 28, 0.84);
  transition: transform 0.6s var(--ease), border-color 0.6s, background-color 0.6s;
}

.step:hover { border-color: rgba(203, 176, 138, 0.55); background: rgba(60, 45, 37, 0.7); transform: translateY(-6px); }

.step-n {
  display: block;
  margin-bottom: 2.4rem;
  color: var(--champagne);
  font-family: var(--serif);
  font-size: 2.6rem;
  font-style: italic;
  line-height: 1;
}

.step h3 { margin-bottom: 0.6rem; font-size: 1.95rem; font-weight: 400; }
.step p { margin: 0; color: var(--on-dark-muted); font-size: 0.98rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(203, 176, 138, 0.25);
}

.stat { padding: 2.2rem 1rem 0 0; }

.stat strong {
  display: block;
  margin-bottom: 0.5rem;
  color: #FBF4EC;
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 1;
}

.stat span { color: var(--champagne); font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; }

/* Values */

.values-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.2rem; }

.value {
  padding: 2.2rem 1.8rem 2.4rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--cream);
  transition: transform 0.6s var(--ease), box-shadow 0.6s;
}

.value:hover { transform: translateY(-6px); box-shadow: var(--shadow); }

.value-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 2rem;
  border-radius: 50%;
  background: var(--sand);
  color: var(--clay-deep);
  font-size: 1.3rem;
}

.tones { display: flex; height: 48px; align-items: center; margin-bottom: 2rem; }

.tones i {
  width: 30px;
  height: 30px;
  margin-left: -9px;
  border: 2px solid var(--cream);
  border-radius: 50%;
}

.tones i:first-child { margin-left: 0; }

.value h3 { margin-bottom: 0.7rem; font-size: 1.75rem; font-weight: 400; line-height: 1.1; }
.value p { margin: 0; color: var(--muted); font-size: 0.98rem; }

/* Instagram */

.social { padding-top: 0; }
.social-head h2 { font-size: clamp(2.2rem, 4.6vw, 4rem); overflow-wrap: anywhere; }
.social-cta { display: grid; gap: 1.5rem; justify-items: start; }

.ig-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0.8rem; }

.ig-tile {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: 18px;
  background: linear-gradient(160deg, var(--nude), var(--clay));
  color: #FBF4EC;
  text-decoration: none;
}

.ig-tile canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: scale 1.2s var(--ease);
}

.ig-tile:hover canvas { scale: 1.06; }

.ig-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2.2rem 0.95rem 0.85rem;
  background: linear-gradient(to top, rgba(30, 20, 15, 0.62), transparent);
  font-size: 0.78rem;
  line-height: 1.35;
}

.ig-cap-dark { background: none; color: var(--cocoa); }

.ig-quote {
  display: grid;
  place-items: center;
  padding: 1rem 1rem 2.6rem;
  background: var(--sand);
  color: var(--espresso);
  text-align: center;
}

.ig-quote-text { font-family: var(--serif); font-size: clamp(1.15rem, 1.6vw, 1.5rem); line-height: 1.15; }
.ig-quote-text em { color: var(--clay-deep); }

.ig-quote-dark { background: var(--espresso); color: var(--on-dark); }
.ig-quote-dark .ig-quote-text em { color: var(--champagne); }
.ig-quote-dark .ig-cap { background: none; color: var(--champagne); }

.ig-arch { background: linear-gradient(180deg, #E8D6C3, #C9AE93); }

.ig-arch::before {
  content: "";
  position: absolute;
  inset: 16% 22% 0;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, #F8EFE6, #E2CBB4);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55), 0 30px 60px -30px rgba(91, 66, 52, 0.6);
}

.ig-arch::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 26%;
  width: 34%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #FFFFFF, #E9D2BC 60%, #CDB08F);
  box-shadow: 0 18px 30px -12px rgba(91, 66, 52, 0.55);
  translate: -50% 0;
}

.ig-arch .ig-cap { z-index: 1; }

/* FAQ */

.faq { background: var(--cream); border-top: 1px solid var(--line); }

.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}

.faq-intro h2 { margin-bottom: 1.4rem; }
.faq-intro .lead { margin-bottom: 2rem; }

.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0;
  font-family: var(--serif);
  font-size: clamp(1.32rem, 2.2vw, 1.7rem);
  line-height: 1.25;
  list-style: none;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(43, 33, 28, 0.2);
  border-radius: 50%;
  transition: background-color 0.4s, color 0.4s, border-color 0.4s;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1.5px;
  margin: -0.75px 0 0 -6px;
  background: currentColor;
  transition: rotate 0.5s var(--ease);
}

.faq-icon::after { rotate: 90deg; }

.faq-item[open] .faq-icon { border-color: var(--espresso); background: var(--espresso); color: var(--ivory); }
.faq-item[open] .faq-icon::after { rotate: 0deg; }

.faq-item p { max-width: 44rem; margin: 0 0 1.7rem; color: var(--muted); animation: fadeUp 0.6s var(--ease); }

/* Book and visit */

.book-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.book-intro h2 { margin-bottom: 1.4rem; }

.visit-card {
  margin-top: 2.6rem;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  border-radius: 22px;
  background: var(--sand);
}

.visit-card h3 { margin-bottom: 0.8rem; font-size: 1.8rem; font-weight: 400; }
.visit-card dl { margin: 0 0 1.6rem; }

.visit-card dl > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.3rem 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.visit-card dt { margin: 0; }
.visit-card dd { margin: 0; text-align: right; }
.visit-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

.book-form {
  position: relative;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  box-shadow: var(--shadow);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.6rem; }

.field { min-width: 0; margin: 0 0 1.6rem; padding: 0; border: 0; }

.field > label,
.field > legend {
  display: block;
  margin-bottom: 0.5rem;
  padding: 0;
  color: var(--clay-deep);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.field input,
.field select {
  width: 100%;
  padding: 0.65rem 0;
  border: 0;
  border-bottom: 1px solid rgba(43, 33, 28, 0.26);
  border-radius: 0;
  background: transparent;
  color: var(--espresso);
  font: 400 1.04rem/1.4 var(--sans);
  transition: border-color 0.3s;
}

.field select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 1.6rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%232B211C' stroke-width='1.3'/%3E%3C/svg%3E") right 0.2rem center / 12px no-repeat;
  cursor: pointer;
}

.field input::placeholder { color: rgba(110, 94, 84, 0.6); }

.field input:focus,
.field select:focus { outline: none; border-color: var(--espresso); }

.field-error { display: none; margin-top: 0.4rem; color: #9C4433; font-size: 0.8rem; }
.field.has-error input { border-color: #9C4433; }
.field.has-error .field-error { display: block; }

.choice-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.choice-chips label { position: relative; }

.choice-chips input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.choice-chips span {
  display: inline-block;
  padding: 0.55rem 1rem;
  border: 1px solid rgba(43, 33, 28, 0.2);
  border-radius: 999px;
  font-size: 0.9rem;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.choice-chips label:hover span { border-color: var(--espresso); }
.choice-chips input:checked + span { border-color: var(--espresso); background: var(--espresso); color: var(--ivory); }
.choice-chips input:focus-visible + span { outline: 2px solid var(--clay-deep); outline-offset: 2px; }

.form-note { margin: 1rem 0 0; color: var(--muted); font-size: 0.8rem; text-align: center; }

.form-success {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  border-radius: inherit;
  background: var(--cream);
  animation: fadeUp 0.7s var(--ease);
}

.form-success[hidden] { display: none; }
.form-success h3 { margin: 1.4rem 0 0.8rem; font-size: clamp(2rem, 3.5vw, 2.8rem); }
.form-success p { max-width: 30rem; margin: 0 0 0.6rem; color: var(--muted); }
.form-success .form-note { margin-bottom: 1.6rem; text-align: left; }
.book-form.is-sent .form-fields { visibility: hidden; }

.success-mark {
  width: 64px;
  height: 64px;
  fill: none;
  stroke: var(--clay-deep);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.success-mark circle { stroke-dasharray: 183; stroke-dashoffset: 183; animation: draw 1s 0.1s var(--ease) forwards; }
.success-mark path { stroke-dasharray: 40; stroke-dashoffset: 40; animation: draw 0.7s 0.7s var(--ease) forwards; }

@keyframes draw { to { stroke-dashoffset: 0; } }

/* Footer */

.site-footer {
  padding: clamp(4rem, 8vw, 6rem) var(--gutter) 2rem;
  background: var(--espresso);
  color: var(--on-dark-muted);
}

.footer-top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem 3rem;
  align-items: center;
}

.brand-light { color: var(--on-dark); }
.brand-light .brand-mark { color: var(--champagne); }
.brand-light .brand-sub { color: var(--on-dark-muted); }

.footer-tag { margin: 0; font-size: 0.95rem; }

.footer-nav { display: flex; flex-wrap: wrap; gap: 0.8rem 1.8rem; }

.footer-nav a {
  color: var(--on-dark);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
}

.footer-nav a:hover { color: var(--champagne); }

.footer-word {
  margin: clamp(2.5rem, 6vw, 4rem) 0 0;
  color: rgba(242, 232, 222, 0.07);
  font-family: var(--serif);
  font-size: clamp(4.5rem, 17vw, 15rem);
  font-weight: 300;
  line-height: 0.85;
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(242, 232, 222, 0.12);
  font-size: 0.8rem;
}

.footer-bottom p { margin: 0; }

/* Toast (demo actions) */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 90;
  max-width: min(92vw, 30rem);
  padding: 0.9rem 1.3rem;
  border-radius: 14px;
  background: var(--espresso);
  box-shadow: var(--shadow);
  color: var(--on-dark);
  font-size: 0.9rem;
  text-align: center;
  translate: -50% 0;
  animation: fadeUp 0.5s var(--ease);
}

.toast[hidden] { display: none; }

/* Responsive */

@media (max-width: 1080px) {
  .nav-links { gap: 1.4rem; }
  .steps,
  .values-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ig-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .specs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .specs > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .specs > div:nth-child(n+3) { border-top: 1px solid var(--line); }
}

@media (max-width: 900px) {
  .nav-links,
  .nav-cta { display: none; }
  .menu-toggle { display: inline-flex; }

  .hero { grid-template-columns: minmax(0, 1fr); min-height: 0; gap: 1rem; }
  .hero-visual { height: 460px; min-height: 0; }

  .section-head { grid-template-columns: minmax(0, 1fr); gap: 1.2rem; }
  .concern-stage { grid-template-columns: minmax(0, 1fr); }
  .lens { max-width: 360px; }

  .treatment { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .treatment.flip .ba-wrap { order: 0; }
  .ba-wrap { max-width: 520px; }

  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .faq-grid,
  .book-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-top { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 560px) {
  body { font-size: 1rem; }
  .eyebrow { font-size: 0.68rem; letter-spacing: 0.2em; }
  .hero .eyebrow::before { display: none; }
  .hero-proof { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; font-size: 0.8rem; }
  .hero-proof strong { font-size: 1.3rem; }
  .ba-mini .ba-tag { top: 8px; padding: 0.28rem 0.45rem; font-size: 0.5rem; letter-spacing: 0.12em; }
  .ba-mini .ba-tag-before { left: 8px; }
  .ba-mini .ba-tag-after { right: 8px; }
  .concern-tab { padding: 0.7rem 1rem; font-size: 0.86rem; }
  .concept-ribbon { font-size: 0.72rem; text-align: left; }
  .hero-visual { height: 400px; }
  .chip-4,
  .chip-5 { display: none; }
  .chip-1 { top: 22%; }
  .chip-2 { top: 44%; }
  .spin-badge { width: 92px; height: 92px; }
  .hero-card { width: 150px; padding: 8px 8px 10px; border-radius: 20px; }
  .hero-card figcaption strong { font-size: 1rem; }
  .hero-card figcaption span { display: none; }

  .steps,
  .values-grid { grid-template-columns: minmax(0, 1fr); }
  .ig-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-row { grid-template-columns: minmax(0, 1fr); }
  .filter-count { width: 100%; margin-left: 0; }
  .concern-meta { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .stat { padding-top: 1.8rem; }
  .ba-knob { width: 46px; height: 46px; margin: -23px 0 0 -23px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0s !important;
  }

  .marquee-track { animation: none; }
}