/* ═══════════════════════════════════════════════════════════════
   ND DERMA MED SPA — Components CSS
   JS-dependent patterns + keyframes that Tailwind utilities can't cover.
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. SCROLL REVEAL ─────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-reveal="left"]  { transform: translateX(-24px); }
[data-reveal="right"] { transform: translateX(24px); }
[data-reveal][data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal][data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal][data-reveal-delay="4"] { transition-delay: 0.4s; }
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ── 2. HERO ANIMATIONS ───────────────────────────────────────── */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scrollLineGrow {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
.hero-eyebrow   { animation: heroFadeUp 0.8s 0.2s cubic-bezier(0.22,1,0.36,1) both; }
.hero-headline  { animation: heroFadeUp 0.9s 0.4s cubic-bezier(0.22,1,0.36,1) both; }
.hero-sub       { animation: heroFadeUp 0.9s 0.6s cubic-bezier(0.22,1,0.36,1) both; }
.hero-actions   { animation: heroFadeUp 0.9s 0.75s cubic-bezier(0.22,1,0.36,1) both; }
.hero-scroll-line { animation: scrollLineGrow 2s 1.5s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) {
  .hero-eyebrow, .hero-headline, .hero-sub, .hero-actions { animation: none; }
  .hero-scroll-line { animation: none; }
}

#hero-immersive .hero-eyebrow,
#hero-immersive .hero-headline {
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.75),
    0 2px 24px rgba(0, 0, 0, 0.45);
}
#hero-immersive .hero-sub {
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.55);
}

/* ── 3. STICKY HEADER ─────────────────────────────────────────── */
.site-header {
  transition: box-shadow 0.3s ease, background-color 0.3s ease, backdrop-filter 0.3s ease;
}
.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.09);
}

/* Light nav over dark hero (home + inner pages with data-header-dark) */
.site-header.header--on-dark {
  background-color: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: none;
  border-bottom-color: transparent;
}
.site-header.header--on-dark.scrolled {
  box-shadow: none;
}
.site-header.header--on-dark .site-header-logo img {
  filter: brightness(0) invert(1);
}
.site-header.header--on-dark .nav-primary a {
  color: rgba(255,255,255,0.92);
}
.site-header.header--on-dark .nav-primary a:hover,
.site-header.header--on-dark .nav-primary a.active {
  color: #DACDC4;
}
.site-header.header--on-dark .nav-primary a::after {
  background: #DACDC4;
}
.site-header.header--on-dark .header-book-btn {
  background: transparent;
  border-color: rgba(255,255,255,0.55);
  color: #fff;
}
.site-header.header--on-dark .header-book-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}
.site-header.header--on-dark .hamburger-line {
  background: rgba(255,255,255,0.9);
}
body.nav-open .site-header.header--on-dark {
  background-color: rgba(250,250,249,0.98);
  backdrop-filter: blur(8px);
}
body.nav-open .site-header.header--on-dark .site-header-logo img {
  filter: none;
}
body.nav-open .site-header.header--on-dark .nav-primary a {
  color: #4B4B4D;
}
body.nav-open .site-header.header--on-dark .hamburger-line {
  background: #4B4B4D;
}
body.nav-open .site-header.header--on-dark .header-book-btn {
  background: #C9A84C;
  border-color: #C9A84C;
  color: #fff;
}
body.nav-open .site-header.header--on-dark .header-book-btn:hover {
  background: #AE9581;
  border-color: #AE9581;
}
@media (prefers-reduced-motion: reduce) {
  .site-header.header--on-dark .site-header-logo img {
    transition: none;
  }
}

/* ── 4. MOBILE NAV ────────────────────────────────────────────── */
.mobile-nav {
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.4,0,0.2,1);
}
.mobile-nav.open {
  transform: translateX(0);
}

/* ── 5. PRIMARY NAV ACTIVE UNDERLINE ──────────────────────────── */
.nav-primary a {
  position: relative;
}
.nav-primary a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: #B9A885;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.22,1,0.36,1);
}
.nav-primary a:hover::after,
.nav-primary a.active::after {
  transform: scaleX(1);
}

/* ── 6. SERVICE ACCORDION (max-height animation) ──────────────── */
.service-item .service-item__body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.45s cubic-bezier(0.22,1,0.36,1), padding 0.3s ease;
  padding-top: 0;
  padding-bottom: 0;
}
.service-item[open] .service-item__body {
  max-height: 800px;
}
/* Hide native details marker */
.service-item > summary { list-style: none; }
.service-item > summary::-webkit-details-marker { display: none; }

/* ── 7. SERVICE TAB NAV ACTIVE STATE ──────────────────────────── */
.services-tab-nav a.active {
  color: #B9A885;
  border-bottom-color: #B9A885;
}

/* ── 8. BOOKING WIZARD — STEP TRANSITIONS ─────────────────────── */
@keyframes stepEnter {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes stepLeave {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(-16px); }
}
.booking-step            { display: none; }
.booking-step.active     { display: block; animation: stepEnter 0.4s cubic-bezier(0.22,1,0.36,1) both; }
.booking-step.is-leaving { display: block; animation: stepLeave 0.25s ease-in both; }
@media (prefers-reduced-motion: reduce) {
  .booking-step.active     { animation: none; }
  .booking-step.is-leaving { animation: none; }
}

/* ── 9. BOOKING PROGRESS STEPS ────────────────────────────────── */
.progress-step {
  position: relative;
}
/* Connector line between steps */
.progress-step::after {
  content: '';
  position: absolute;
  top: 14px;
  left: calc(50% + 16px);
  right: calc(-50% + 16px);
  height: 1px;
  background: #D1CEC6;
  z-index: 0;
}
.progress-step:last-child::after { display: none; }
.progress-step.completed::after  { background: #B9A885; }

.step-num {
  transition: background-color 0.2s ease, transform 0.2s ease;
}
.progress-step.active    .step-num { background-color: #C9A84C; color: #fff; transform: scale(1.12); }
.progress-step.completed .step-num { background-color: #AE9581; color: #fff; }
.progress-step.active    .step-label { color: #B9A885; }
.progress-step.completed .step-label { color: #B9A885; }

/* ── 10. SELECTION CARDS (radio/checkbox) ─────────────────────── */
.selection-card input[type="radio"],
.selection-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.selection-card input:checked + .selection-card__inner {
  border-color: #B9A885;
  background-color: rgba(185,168,133,0.08);
}

/* ── 11. BEFORE/AFTER FILTER ──────────────────────────────────── */
.ba-filter-btn.active {
  color: #B9A885;
  border-bottom-color: #B9A885;
}
.ba-category-group.hidden { display: none; }

/* ── 12. SPOTLIGHT / GLOW CARDS ───────────────────────────────── */
[data-glow] {
  --glow-base:    40;
  --glow-spread:  60;
  --glow-border:  2px;
  --glow-size:    220px;
  --glow-x:   0;
  --glow-y:   0;
  --glow-xp:  0;
  --glow-hue: calc(var(--glow-base) + (var(--glow-xp) * var(--glow-spread)));

  position: relative;
  background-image: radial-gradient(
    var(--glow-size) var(--glow-size)
    at calc(var(--glow-x) * 1px) calc(var(--glow-y) * 1px),
    hsl(var(--glow-hue) 80% 72% / 0.12),
    transparent
  );
  background-size: calc(100% + (2 * var(--glow-border))) calc(100% + (2 * var(--glow-border)));
  background-position: 50% 50%;
  background-attachment: fixed;
  border: var(--glow-border) solid transparent;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
[data-glow]::before,
[data-glow]::after {
  pointer-events: none;
  content: "";
  position: absolute;
  inset: calc(var(--glow-border) * -1);
  border: var(--glow-border) solid transparent;
  background-attachment: fixed;
  background-size: calc(100% + (2 * var(--glow-border))) calc(100% + (2 * var(--glow-border)));
  background-repeat: no-repeat;
  background-position: 50% 50%;
  -webkit-mask: linear-gradient(transparent, transparent), linear-gradient(white, white);
  mask: linear-gradient(transparent, transparent), linear-gradient(white, white);
  -webkit-mask-clip: padding-box, border-box;
  mask-clip: padding-box, border-box;
  -webkit-mask-composite: xor;
  mask-composite: intersect;
}
[data-glow]::before {
  background-image: radial-gradient(
    calc(var(--glow-size) * 0.7) calc(var(--glow-size) * 0.7)
    at calc(var(--glow-x) * 1px) calc(var(--glow-y) * 1px),
    hsl(var(--glow-hue) 90% 62% / 0.9),
    transparent 100%
  );
  filter: brightness(2);
}
[data-glow]::after {
  background-image: radial-gradient(
    calc(var(--glow-size) * 0.45) calc(var(--glow-size) * 0.45)
    at calc(var(--glow-x) * 1px) calc(var(--glow-y) * 1px),
    hsl(0 0% 100% / 0.65),
    transparent 100%
  );
}
.category-card[data-glow] {
  border-left-width: var(--glow-border);
}
.category-card[data-glow]:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px -8px rgba(0,0,0,0.14);
  border-color: transparent;
}

/* ── 13. PARALLAX HERO ────────────────────────────────────────── */
.hero-bg,
.parallax-bg-layer {
  position: absolute;
  inset: -10%;
  background-size: cover;
  background-position: center;
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ── 14. CUSTOM SELECT ARROW ──────────────────────────────────── */
.select-custom {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23B9A885' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  padding-right: 2.5rem;
  appearance: none;
  -webkit-appearance: none;
}

/* ── 15. TESTIMONIAL QUOTE MARK ───────────────────────────────── */
.testimonial-quote::before {
  content: '\201C';
  font-family: 'Bonita', 'Playfair Display', Georgia, serif;
  font-size: 84px;
  line-height: 1;
  color: #B9A885;
  opacity: 0.5;
  display: block;
  margin-bottom: -0.5rem;
}

/* ── 16. SCROLLBAR HIDE ───────────────────────────────────────── */
.scrollbar-none::-webkit-scrollbar { display: none; }
.scrollbar-none { -ms-overflow-style: none; scrollbar-width: none; }

/* ── 17. HERO SCROLL INDICATOR ────────────────────────────────── */
a.hero-scroll {
  text-decoration: none;
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.65), rgba(255,255,255,0.2));
  transform-origin: top;
}

/* ── 18. HERO COLLAGE (welcome section) ───────────────────────── */
.hero-collage {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.hero-collage__tile {
  will-change: transform;
}
@media (min-width: 1024px) {
  .hero-collage {
    display: grid;
    grid-template-columns: 26% 46% 24%;
    grid-template-rows: minmax(96px, auto) 1fr minmax(112px, auto);
    gap: 0.85rem;
    align-items: stretch;
    min-height: 480px;
  }
  .hero-collage__tile--tl {
    grid-column: 1;
    grid-row: 1;
    align-self: end;
  }
  .hero-collage__tile--center {
    grid-column: 2;
    grid-row: 1 / span 3;
    min-height: 440px;
    z-index: 1;
  }
  .hero-collage__tile--bl {
    grid-column: 1;
    grid-row: 2 / 4;
    margin-top: -3.25rem;
    z-index: 2;
    align-self: end;
    max-width: 100%;
  }
  .hero-collage__tile--right {
    grid-column: 3;
    grid-row: 1 / span 3;
    min-height: 400px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .hero-collage__tile {
    will-change: auto;
  }
}

/* ── 19. WELCOME SECTION SELECTION ───────────────────────────── */
.bg-light ::selection {
  background-color: rgb(213 184 166);
  color: rgb(245 240 231);
}