/* =========================================
   LUMIÈRE AESTHETICS — SHARED DESIGN SYSTEM
   "The Ethereal Muse"
   ========================================= */

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Work Sans', sans-serif;
  background-color: #fcf9f4;
  color: #1c1c19;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Grain Texture Overlay --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.028;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: multiply;
}

/* --- Typography Helpers --- */
.serif        { font-family: 'Newsreader', serif; }
.serif-italic { font-family: 'Newsreader', serif; font-style: italic; }

/* =========================================
   NAVIGATION — TOP
   ========================================= */
.nav-top {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3.5rem;
  background: rgba(252, 249, 244, 0.72);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  transition: padding 0.4s ease, background 0.4s ease, box-shadow 0.4s ease;
}

.nav-top.scrolled {
  padding: 1rem 3.5rem;
  background: rgba(252, 249, 244, 0.9);
  box-shadow: 0 1px 30px rgba(28, 28, 25, 0.05);
}

.nav-logo {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 1.4rem;
  color: #1c1c19;
  text-decoration: none;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 2.75rem;
  align-items: center;
  list-style: none;
}

.nav-links a {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: #504444;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a:hover { color: #7b5455; }

.nav-links a.active {
  color: #7b5455;
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-transform: none;
}

.btn-nav {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.63rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #ffffff;
  background: linear-gradient(135deg, #7b5455 0%, #c4908f 100%);
  border: none;
  border-radius: 9999px;
  padding: 0.7rem 2rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 20px rgba(123, 84, 85, 0.25);
}

.btn-nav:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(123, 84, 85, 0.35);
}

/* --- Hamburger (mobile) --- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 0.5px;
  background: #1c1c19;
  transition: all 0.3s ease;
}

/* =========================================
   NAVIGATION — BOTTOM STICKY
   ========================================= */
.nav-bottom {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3.5rem;
  height: 4.5rem;
  background: rgba(252, 249, 244, 0.88);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-top: 0.5px solid rgba(212, 194, 194, 0.25);
  box-shadow: 0 -4px 30px rgba(28, 28, 25, 0.04);
}

.nav-bottom-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.nav-bottom-brand svg { color: #7b5455; }

.nav-bottom-name {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 0.9rem;
  color: #7b5455;
}

.nav-bottom-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: #504444;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-bottom-phone:hover { color: #1c1c19; }

.nav-bottom-book {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.63rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #7b5455;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.nav-bottom-book:hover { opacity: 0.7; }

/* =========================================
   BUTTONS
   ========================================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #ffffff;
  background: linear-gradient(135deg, #7b5455 0%, #c4908f 100%);
  border: none;
  border-radius: 9999px;
  padding: 1.1rem 2.75rem;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 24px rgba(123, 84, 85, 0.22);
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(123, 84, 85, 0.32);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #7b5455;
  background: transparent;
  border: 0.5px solid rgba(123, 84, 85, 0.35);
  border-radius: 9999px;
  padding: 1.1rem 2.75rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(123, 84, 85, 0.05);
  border-color: rgba(123, 84, 85, 0.65);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-weight: 300;
  font-size: 1.05rem;
  color: #7b5455;
  text-decoration: none;
  border-bottom: 0.5px solid rgba(123, 84, 85, 0.35);
  padding-bottom: 2px;
  transition: border-color 0.3s ease, letter-spacing 0.3s ease;
}

.btn-ghost:hover {
  border-bottom-color: #7b5455;
  letter-spacing: 0.02em;
}

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
  background: #f0ede9;
  padding: 5rem 3.5rem 3rem;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-logo {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 1.6rem;
  color: #1c1c19;
  display: block;
  margin-bottom: 1rem;
  text-decoration: none;
}

.footer-tagline {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: #827473;
  line-height: 1.9;
  max-width: 220px;
}

.footer-col-heading {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #827473;
  margin-bottom: 1.5rem;
  display: block;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.8rem; }

.footer-links a {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: #504444;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover { color: #7b5455; }

.footer-contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
}

.footer-contact-label {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #827473;
}

.footer-contact-value {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.82rem;
  color: #504444;
}

.footer-divider {
  height: 0.5px;
  background: linear-gradient(to right, transparent, rgba(212, 194, 194, 0.5), transparent);
  margin-bottom: 2rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: #a89898;
}

.footer-social {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.footer-social a {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #827473;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-social a:hover { color: #7b5455; }

/* =========================================
   SCROLL REVEAL SYSTEM
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-left  { opacity: 0; transform: translateX(-28px); transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal-right { opacity: 0; transform: translateX(28px);  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal-left.visible,
.reveal-right.visible { opacity: 1; transform: translateX(0); }

.reveal-delay-1 { transition-delay: 0.08s !important; }
.reveal-delay-2 { transition-delay: 0.16s !important; }
.reveal-delay-3 { transition-delay: 0.24s !important; }
.reveal-delay-4 { transition-delay: 0.32s !important; }
.reveal-delay-5 { transition-delay: 0.42s !important; }
.reveal-delay-6 { transition-delay: 0.52s !important; }

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(36px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(8px, -10px) scale(1.02); }
  66%       { transform: translate(-6px, 8px) scale(0.99); }
}

@keyframes slowPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50%       { transform: scale(1.06); opacity: 0.8; }
}

/* =========================================
   MICRO-LABEL UTILITY
   ========================================= */
.micro-label {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #827473;
}

/* =========================================
   LUXURY DIVIDER
   ========================================= */
.luxury-divider {
  width: 56px;
  height: 0.5px;
  background: linear-gradient(to right, transparent, #d4c2c2, transparent);
}

.luxury-divider-center {
  width: 56px;
  height: 0.5px;
  background: linear-gradient(to right, transparent, #d4c2c2, transparent);
  margin: 0 auto;
}

/* =========================================
   NO SCROLLBAR
   ========================================= */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* =========================================
   PAGE BODY OFFSET
   ========================================= */
.page-main {
  padding-top: 5.5rem; /* nav height */
  padding-bottom: 4.5rem; /* bottom bar height */
}

/* =========================================
   TREATMENT CARDS (shared)
   ========================================= */
.treatment-card {
  border-radius: 1.25rem;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 6px 48px rgba(28, 28, 25, 0.05);
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.treatment-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 60px rgba(28, 28, 25, 0.1);
}

.treatment-card-visual {
  width: 100%;
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
}

.treatment-card-body {
  padding: 2rem 2rem 2.25rem;
}

.treatment-card-label {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #827473;
  margin-bottom: 0.6rem;
  display: block;
}

.treatment-card-title {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 1.6rem;
  font-weight: 300;
  color: #1c1c19;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.treatment-card-desc {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.78rem;
  line-height: 1.85;
  color: #504444;
  margin-bottom: 1.5rem;
}

.treatment-card-meta {
  display: flex;
  gap: 1.5rem;
  padding-top: 1.25rem;
  border-top: 0.5px solid rgba(212, 194, 194, 0.35);
}

.treatment-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.treatment-meta-label {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #a89898;
}

.treatment-meta-value {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.78rem;
  color: #7b5455;
}

/* =========================================
   FORM STYLES
   ========================================= */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.75rem;
}

.form-label {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #827473;
}

.form-input,
.form-select,
.form-textarea {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.85rem;
  color: #1c1c19;
  background: #ebe8e3;
  border: none;
  border-radius: 0.75rem;
  padding: 0.9rem 1.25rem;
  outline: none;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  -webkit-appearance: none;
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background: #e5e2dd;
  box-shadow: 0 0 0 1.5px rgba(123, 84, 85, 0.35);
}

.form-input::placeholder,
.form-textarea::placeholder { color: #a89898; }

.form-textarea { resize: vertical; min-height: 130px; line-height: 1.7; }

/* =========================================
   ACCORDION (FAQ)
   ========================================= */
.accordion-item {
  border-bottom: 0.5px solid rgba(212, 194, 194, 0.35);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: 1rem;
}

.accordion-question {
  font-family: 'Newsreader', serif;
  font-weight: 300;
  font-size: 1.05rem;
  color: #1c1c19;
}

.accordion-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 0.5px solid rgba(123, 84, 85, 0.35);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease, background 0.3s ease;
}

.accordion-icon svg {
  color: #7b5455;
  transition: transform 0.4s ease;
}

.accordion-item.open .accordion-icon {
  background: rgba(123, 84, 85, 0.08);
}

.accordion-item.open .accordion-icon svg {
  transform: rotate(45deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-body-inner {
  padding-bottom: 1.5rem;
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.82rem;
  line-height: 1.9;
  color: #504444;
}

/* =========================================
   GALLERY GRID
   ========================================= */
.gallery-item {
  border-radius: 1rem;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover { transform: scale(0.985); }

.gallery-item-visual {
  width: 100%;
  height: 100%;
  position: relative;
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28, 28, 25, 0.5) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.gallery-item:hover .gallery-item-overlay { opacity: 1; }

.gallery-item-tag {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 1rem;
  color: rgba(255,255,255,0.9);
}

/* =========================================
   TESTIMONIAL CARDS
   ========================================= */
.testimonial-card {
  background: #ffffff;
  border-radius: 1.25rem;
  padding: 2.5rem;
  box-shadow: 0 4px 40px rgba(28, 28, 25, 0.04);
  flex-shrink: 0;
}

.testimonial-quote {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.7;
  color: #1c1c19;
  margin-bottom: 1.75rem;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.testimonial-name {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.78rem;
  color: #1c1c19;
}

.testimonial-treatment {
  font-family: 'Work Sans', sans-serif;
  font-weight: 300;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #827473;
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .nav-bottom { padding: 0 1.5rem; }
  .site-footer { padding: 4rem 2rem 2.5rem; }
}

@media (max-width: 768px) {
  .nav-top { padding: 1.2rem 1.5rem; }
  .nav-top.scrolled { padding: 0.85rem 1.5rem; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .site-footer { padding: 3.5rem 1.5rem 2rem; }
}