/* ════════════════════════════════════════════════
   GLOBAL RESET & TOKENS
════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:          #080a0d;
  --surface:      #0d0f14;
  --card:         #121520;
  --card-2:       #161923;
  --border:       rgba(255,255,255,0.07);
  --accent:       #b8945a;
  --accent-light: #d4b07a;
  --accent-dim:   rgba(184,148,90,0.12);
  --muted:        rgba(255,255,255,0.42);
  --muted2:       rgba(255,255,255,0.65);
  --text:         rgba(255,255,255,0.88);
  --white:        #ffffff;
  --serif:        'Cormorant Garamond', Georgia, serif;
  --sans:         'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; }

/* ════════════════════════════════════════════════
   TYPOGRAPHY
════════════════════════════════════════════════ */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 300; line-height: 1.1; color: var(--white); }
h1 { font-size: clamp(2.6rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; }
em { font-style: italic; color: var(--accent-light); }
p  { color: var(--muted2); font-weight: 300; margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ════════════════════════════════════════════════
   LAYOUT
════════════════════════════════════════════════ */
.container { max-width: 1180px; margin: 0 auto; padding: 0 2.5rem; }
.section    { padding: 5.5rem 0; }
.section--dark    { background: var(--ink); }
.section--surface { background: var(--surface); }

/* ════════════════════════════════════════════════
   LABELS & UTILITIES
════════════════════════════════════════════════ */
.label {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.85rem; font-weight: 400;
}
.label::before { content: ''; display: block; width: 24px; height: 0.5px; background: var(--accent); }

.gold-line { width: 40px; height: 1px; background: var(--accent); margin: 1.25rem 0; }

/* ════════════════════════════════════════════════
   BUTTONS
════════════════════════════════════════════════ */
.btn {
  display: inline-block;
  font-family: var(--sans); font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.8rem 1.8rem; border-radius: 2px;
  text-decoration: none; transition: all 0.2s;
  cursor: pointer; border: none;
}
.btn-gold    { background: var(--accent); color: var(--ink); }
.btn-gold:hover { background: var(--accent-light); }
.btn-outline {
  background: transparent; color: var(--white);
  border: 0.5px solid rgba(255,255,255,0.30);
}
.btn-outline:hover { border-color: var(--accent-light); color: var(--accent-light); }
.btn-text {
  background: transparent; color: var(--accent);
  padding: 0; border: none;
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase;
  text-decoration: none; transition: gap 0.2s;
}
.btn-text::after { content: '→'; transition: transform 0.2s; }
.btn-text:hover { gap: 0.7rem; }
.btn-text:hover::after { transform: translateX(3px); }

/* ════════════════════════════════════════════════
   NAVIGATION  — sticky, dropdown stays on hover
════════════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(8,10,13,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 0.5px solid rgba(255,255,255,0.06);
  transition: background 0.3s;
}
.nav__inner {
  max-width: 1180px; margin: 0 auto; padding: 0 2.5rem;
  height: 68px; display: flex; align-items: center;
  justify-content: space-between; gap: 1.5rem;
}
.nav__logo {
  font-family: var(--serif); font-size: 1.05rem; font-weight: 400;
  letter-spacing: 0.05em; color: var(--accent-light);
  text-decoration: none; flex-shrink: 0; white-space: nowrap;
}
.nav__logo span { font-size: 0.72rem; color: var(--muted); font-family: var(--sans); letter-spacing: 0.08em; display: block; margin-top: -2px; }

/* Links row */
.nav__links { display: flex; list-style: none; gap: 0; align-items: stretch; }
.nav__item   { position: relative; }

/* Top-level link */
.nav__top {
  display: flex; align-items: center; gap: 0.3rem;
  height: 68px; padding: 0 1rem;
  font-size: 0.73rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); text-decoration: none;
  white-space: nowrap; transition: color 0.18s;
  background: transparent; border: none; cursor: pointer;
  font-family: var(--sans);
}
.nav__top:hover,
.nav__item.open > .nav__top { color: var(--accent-light); }

.nav__arrow {
  font-size: 0.5rem; opacity: 0.6;
  transition: transform 0.2s, opacity 0.2s;
  display: inline-block;
}
.nav__item.open > .nav__top .nav__arrow { transform: rotate(180deg); opacity: 1; }

/* Gold underline indicator on open item */
.nav__item::after {
  content: '';
  position: absolute; bottom: 0; left: 1rem; right: 1rem;
  height: 1.5px; background: var(--accent);
  transform: scaleX(0); transition: transform 0.2s;
}
.nav__item.open::after { transform: scaleX(1); }

/* ── Dropdown panel ────────────────────────────────────────────── */
.nav__dropdown {
  position: absolute; top: 100%; left: 0;
  min-width: 230px;
  background: rgba(10,12,18,0.98);
  backdrop-filter: blur(20px);
  border: 0.5px solid rgba(255,255,255,0.08);
  border-top: 1.5px solid var(--accent);
  border-radius: 0 0 4px 4px;
  padding: 0.5rem 0;
  list-style: none;

  /* Hidden state */
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

/* ▸▸ THE FIX: open class makes dropdown visible & interactive */
.nav__item.open > .nav__dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

/* Bridge — invisible zone above dropdown so mouse can travel from trigger to panel */
.nav__dropdown::before {
  content: '';
  position: absolute; top: -20px; left: 0; right: 0; height: 20px;
}

/* ── Desktop: CSS-native hover ───────────────────────────────────────────
   On real pointer devices the browser tracks :hover across the element AND
   all its descendants (including absolutely-positioned children), so there
   is no timer, no gap, and no flicker.  JS only handles mobile taps. */
@media (hover: hover) and (pointer: fine) {
  .nav__item:hover > .nav__top                { color: var(--accent-light); }
  .nav__item:hover > .nav__top .nav__arrow    { transform: rotate(180deg); opacity: 1; }
  .nav__item:hover::after                     { transform: scaleX(1); }
  .nav__item:hover > .nav__dropdown {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
  }
}

.nav__dropdown li a {
  display: flex; align-items: center;
  padding: 0.55rem 1.25rem;
  font-size: 0.78rem; color: var(--muted2);
  text-decoration: none; letter-spacing: 0.04em;
  transition: color 0.15s, padding-left 0.15s;
  border-bottom: 0.5px solid rgba(255,255,255,0.04);
}
.nav__dropdown li:last-child a { border-bottom: none; }
.nav__dropdown li a:hover { color: var(--accent-light); padding-left: 1.5rem; }

/* CTA button */
.nav__cta {
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); border: 0.5px solid var(--accent);
  padding: 0.5rem 1.2rem; text-decoration: none; border-radius: 2px;
  transition: all 0.2s; flex-shrink: 0; white-space: nowrap;
}
.nav__cta:hover { background: var(--accent); color: var(--ink); }

/* Hamburger */
.nav__hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav__hamburger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--text); border-radius: 1px;
  transition: transform 0.25s, opacity 0.2s;
}
.nav__hamburger.is-active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.is-active span:nth-child(2) { opacity: 0; }
.nav__hamburger.is-active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ════════════════════════════════════════════════
   PAGE HEADER (inner pages)
════════════════════════════════════════════════ */
.page-header {
  padding: 7.5rem 0 4rem;
  background: var(--surface);
  border-bottom: 0.5px solid var(--border);
  position: relative; overflow: hidden;
}
.page-header::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}
.page-header h1 { margin-bottom: 1rem; }
.page-header .subtitle { font-size: 1.05rem; color: var(--muted2); max-width: 640px; font-weight: 300; }

/* ════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════ */
.footer { border-top: 0.5px solid var(--border); background: var(--ink); padding: 3.5rem 0 2rem; }
.footer__inner { max-width: 1180px; margin: 0 auto; padding: 0 2.5rem; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer__logo { font-family: var(--serif); font-size: 1.05rem; color: var(--accent-light); margin-bottom: 0.75rem; display: block; }
.footer__tagline { font-size: 0.8rem; color: var(--muted); line-height: 1.75; }
.footer__heading { font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.footer__links { list-style: none; }
.footer__links li { margin-bottom: 0.45rem; }
.footer__links a { font-size: 0.8rem; color: var(--muted); text-decoration: none; transition: color 0.2s; }
.footer__links a:hover { color: var(--accent-light); }
.footer__bottom {
  border-top: 0.5px solid var(--border); padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.72rem; color: var(--muted);
}
.footer__bottom-links { display: flex; gap: 1.5rem; }
.footer__bottom-links a { color: var(--muted); text-decoration: none; }
.footer__bottom-links a:hover { color: var(--accent); }

/* ════════════════════════════════════════════════
   SECTION DIVIDER
════════════════════════════════════════════════ */
.divider { height: 0.5px; background: var(--border); }

/* ════════════════════════════════════════════════
   TREATMENT / SIDEBAR PAGES
════════════════════════════════════════════════ */
.treatment-layout {
  display: grid; grid-template-columns: 1fr 288px;
  gap: 4rem; align-items: start;
}
.treatment-content h2 { font-size: 1.7rem; margin: 2.2rem 0 0.75rem; }
.treatment-content h2:first-child { margin-top: 0; }
.treatment-content p  { color: var(--muted2); margin-bottom: 1rem; }
.treatment-content ul, .treatment-content ol { padding-left: 1.25rem; margin-bottom: 1rem; }
.treatment-content li { color: var(--muted2); margin-bottom: 0.4rem; font-weight: 300; }
.treatment-content li strong { color: var(--text); font-weight: 500; }

.treatment-sidebar { position: sticky; top: 84px; }

.sidebar-card {
  background: var(--card); border: 0.5px solid var(--border);
  border-radius: 4px; padding: 1.5rem;
  margin-bottom: 1.1rem; position: relative;
}
.sidebar-card::before {
  content: ''; position: absolute; top: -1px; left: 1.25rem; right: 1.25rem;
  height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.sidebar-card h4 {
  font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.9rem;
}
.sidebar-nav { list-style: none; }
.sidebar-nav li { border-bottom: 0.5px solid var(--border); }
.sidebar-nav li:last-child { border-bottom: none; }
.sidebar-nav a {
  display: block; padding: 0.55rem 0;
  font-size: 0.83rem; color: var(--muted2);
  text-decoration: none; transition: color 0.15s, padding-left 0.15s;
}
.sidebar-nav a:hover,
.sidebar-nav a.active { color: var(--accent-light); padding-left: 4px; }

.next-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem; background: var(--card); border: 0.5px solid var(--border);
  border-radius: 4px; text-decoration: none; margin-top: 2.5rem;
  transition: border-color 0.2s;
}
.next-link:hover { border-color: var(--accent); }
.next-link span { font-size: 0.72rem; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; }
.next-link strong { font-size: 0.9rem; color: var(--text); font-weight: 400; }
.next-link::after { content: '→'; color: var(--accent); }

/* ════════════════════════════════════════════════
   CARD GRID
════════════════════════════════════════════════ */
.card-grid-3 {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: rgba(255,255,255,0.05);
  border: 0.5px solid rgba(255,255,255,0.05);
}

/* ════════════════════════════════════════════════
   REVIEWS CAROUSEL
════════════════════════════════════════════════ */
.reviews-track { overflow: hidden; }
.reviews-inner { display: flex; gap: 1.25rem; transition: transform 0.45s cubic-bezier(0.4,0,0.2,1); }
.review-card {
  background: var(--card); border: 0.5px solid var(--border);
  border-radius: 4px; padding: 2rem;
  flex: 0 0 calc(33.333% - 0.833rem); min-width: 0;
}
.review-card__quote {
  font-family: var(--serif); font-size: 1.05rem;
  color: var(--text); line-height: 1.65; font-style: italic;
}
.review-card__quote::before { content: '\201C'; color: var(--accent); }
.review-card__quote::after  { content: '\201D'; color: var(--accent); }
.review-card__source { margin-top: 1rem; font-size: 0.72rem; color: var(--muted); letter-spacing: 0.06em; }
.carousel-controls { display: flex; gap: 0.75rem; margin-top: 1.5rem; }
.carousel-btn {
  width: 40px; height: 40px;
  border: 0.5px solid rgba(255,255,255,0.18); background: transparent;
  color: var(--text); border-radius: 2px; cursor: pointer; font-size: 1rem;
  transition: all 0.2s;
}
.carousel-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ════════════════════════════════════════════════
   FAQ ACCORDION
════════════════════════════════════════════════ */
.faq-item { border-bottom: 0.5px solid var(--border); padding: 1.4rem 0; }
.faq-question {
  font-family: var(--serif); font-size: 1.1rem; font-weight: 400;
  color: var(--white); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  user-select: none; gap: 1rem;
}
.faq-question::after { content: '+'; font-family: var(--sans); font-size: 1.2rem; color: var(--accent); flex-shrink: 0; transition: transform 0.22s; }
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.22s; }
.faq-item.open .faq-answer { max-height: 500px; padding-top: 0.75rem; }
.faq-answer p { font-size: 0.92rem; color: var(--muted2); }

/* ════════════════════════════════════════════════
   BOOK FORM
════════════════════════════════════════════════ */
.book-form {
  background: var(--card); border: 0.5px solid var(--border);
  border-radius: 4px; padding: 2.5rem; position: relative;
}
.book-form::before {
  content: ''; position: absolute; top: -1px; left: 2rem; right: 2rem; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block; font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.45rem;
}
.form-group input:not([type="checkbox"]),
.form-group select,
.form-group textarea {
  width: 100%; background: rgba(255,255,255,0.04);
  border: 0.5px solid rgba(255,255,255,0.1);
  border-radius: 2px; padding: 0.7rem 0.9rem;
  color: var(--text); font-family: var(--sans); font-size: 0.88rem;
  outline: none; transition: border-color 0.2s; -webkit-appearance: none;
}
.form-group input:not([type="checkbox"]):focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group input[type="checkbox"] {
  appearance: auto; -webkit-appearance: checkbox;
  width: 14px; height: 14px; flex-shrink: 0;
  accent-color: var(--accent); cursor: pointer;
}
.form-group select option { background: #141820; }
.form-group textarea { height: 90px; resize: none; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-submit {
  width: 100%; background: var(--accent); color: var(--ink);
  border: none; padding: 0.9rem; font-family: var(--sans);
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
  cursor: pointer; border-radius: 2px; margin-top: 0.5rem;
  transition: background 0.2s;
}
.form-submit:hover { background: var(--accent-light); }

/* ════════════════════════════════════════════════
   ANIMATIONS
════════════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate { opacity: 0; }
.animate.in-view { animation: fadeUp 0.65s ease forwards; }
.delay-1 { animation-delay: 0.10s; }
.delay-2 { animation-delay: 0.22s; }
.delay-3 { animation-delay: 0.34s; }
.delay-4 { animation-delay: 0.46s; }

/* ════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════ */
@media (max-width: 960px) {
  .nav__links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(8,10,13,0.99); border-bottom: 0.5px solid var(--border); z-index: 999; }
  .nav__links.mobile-open { display: flex; }
  .nav__item { width: 100%; border-bottom: 0.5px solid var(--border); }
  .nav__item::after { display: none; }
  .nav__top { height: auto; padding: 0.9rem 1.5rem; width: 100%; font-size: 0.78rem; }
  .nav__dropdown { position: static; opacity: 1; pointer-events: all; transform: none; backdrop-filter: none; border: none; border-radius: 0; border-top: 0.5px solid rgba(255,255,255,0.04); background: rgba(255,255,255,0.02); display: none; }
  .nav__item.open > .nav__dropdown { display: block; }
  .nav__dropdown li a { padding: 0.55rem 2.5rem; font-size: 0.77rem; }
  .nav__hamburger { display: flex; }
  .nav__cta { display: none; }

  .container { padding: 0 1.25rem; }
  .section { padding: 3.5rem 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .treatment-layout { grid-template-columns: 1fr; }
  .treatment-sidebar { position: static; }
  .card-grid-3 { grid-template-columns: 1fr; }
  .review-card { flex: 0 0 100%; }
  .page-header { padding: 6rem 0 2.5rem; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
}