/* css/components.css — Shared Components
   Aaina Makeup Studio (Odisha)
   Follows DESIGN.md, RULES.md, and ARCHITECTURE.md
*/

/* ==========================================================================
   1. Header & Navigation (DESIGN §5, Tasks 3.1)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: var(--paper);
  transition: transform var(--transition-base);
  width: 100%;
  padding-top: env(safe-area-inset-top, 0px);
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.site-header__brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.site-header__wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.8vw, 2.25rem);
  font-weight: 800;
  line-height: 0.85;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
  font-optical-sizing: none;
  font-variation-settings: "opsz" 8;
  -webkit-text-stroke: 0.022em currentColor;
}

.site-header__submark {
  font-family: var(--font-text);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__menu {
  display: flex;
  gap: var(--space-5);
  list-style: none;
}

.site-header__link {
  font-family: var(--font-text);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--ink);
  padding-block: var(--space-2);
  position: relative;
  transition: color var(--transition-fast);
}

.site-header__link:hover {
  color: var(--sindoor);
}

.site-header__link.is-active {
  color: var(--sindoor);
}

.site-header__link.is-active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--sindoor);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile Burger Icon */
.site-header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.site-header__burger .burger-bar {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--ink);
  transition: transform var(--transition-fast);
}

/* Mobile Full-Screen Overlay Nav */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-header) + 20);
  background-color: var(--paper);
  display: flex;
  flex-direction: column;
  transform: translateY(-100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  pointer-events: none;
}

.mobile-nav.is-open {
  transform: translateY(0);
  pointer-events: auto;
}

body.menu-locked {
  overflow: hidden;
}

.mobile-nav__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: calc(80px + env(safe-area-inset-top, 0px));
  padding-top: env(safe-area-inset-top, 0px);
  border-bottom: var(--border-hairline);
}

.mobile-nav__close {
  font-family: var(--font-text);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--ink);
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: transparent;
}

.mobile-nav__close:hover {
  color: var(--sindoor);
  border-color: var(--sindoor);
}

.mobile-nav__body {
  padding-block: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-nav__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  border-bottom: var(--border-hairline);
  padding-bottom: var(--space-3);
}

.mobile-nav__num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sindoor);
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
}

.mobile-nav__link {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 8vw, 3.75rem);
  font-weight: 750;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
}

.mobile-nav__link.is-active,
.mobile-nav__link:hover {
  color: var(--sindoor);
}

.mobile-nav__footer {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-bottom: max(var(--space-4), env(safe-area-inset-bottom, 0px));
}

.mobile-nav__location {
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .site-header__nav {
    display: none;
  }
  .site-header__burger {
    display: flex;
  }
}

/* ==========================================================================
   2. Buttons & Text Links (DESIGN §5, Tasks 3.2)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--font-text);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  padding: 1rem 1.75rem;
  min-height: 48px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn:hover {
  background-color: var(--sindoor);
  border-color: var(--sindoor);
  color: #fff;
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

.btn--header {
  padding: 0.65rem 1.25rem;
  min-height: 40px;
}

.btn--full {
  width: 100%;
}

.btn--whatsapp {
  /* WhatsApp button remains editorial black/paper; hovers to sindoor */
}

.whatsapp-icon {
  flex-shrink: 0;
}

.btn--outline {
  background-color: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn--outline:hover {
  background-color: var(--ink);
  color: var(--paper);
}

.section--ink .btn--outline {
  color: var(--paper);
  border-color: var(--line-inv);
}

.section--ink .btn--outline:hover {
  background-color: var(--paper);
  color: var(--ink);
}

/* High-contrast inverted buttons on dark/ink sections (DESIGN §5, Decision D24) */
.section--ink .btn:not(.btn--outline),
.final-cta .btn:not(.btn--outline),
.site-footer .btn:not(.btn--outline),
.hero-cover[data-issue="editorial"] .btn:not(.btn--outline),
.lightbox .btn:not(.btn--outline) {
  background-color: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.section--ink .btn:not(.btn--outline):hover,
.final-cta .btn:not(.btn--outline):hover,
.site-footer .btn:not(.btn--outline):hover,
.hero-cover[data-issue="editorial"] .btn:not(.btn--outline):hover,
.lightbox .btn:not(.btn--outline):hover {
  background-color: var(--sindoor);
  color: #fff;
  border-color: var(--sindoor);
}

.lightbox .btn--outline {
  color: var(--paper);
  border-color: var(--line-inv);
}

.lightbox .btn--outline:hover {
  background-color: var(--paper);
  color: var(--ink);
}

/* Text links */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-family: var(--font-text);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 1px;
  transition: text-decoration-thickness var(--transition-fast), color var(--transition-fast);
}

.text-link:hover {
  text-decoration-thickness: 2px;
  color: var(--sindoor);
}

.section--ink .text-link {
  color: var(--paper);
}

.section--ink .text-link:hover {
  color: var(--sindoor);
}

/* ==========================================================================
   3. Service Rows (DESIGN §5, Tasks 3.3)
   ========================================================================== */
.service-index {
  display: flex;
  flex-direction: column;
}

.service-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: var(--border-hairline);
  transition: background-color var(--transition-fast), padding var(--transition-fast);
}

.service-row__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  min-width: 0;
}

.service-row__num {
  font-family: var(--font-display);
  font-size: var(--fs-num);
  line-height: 1;
  font-weight: 700;
  color: var(--sindoor);
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
  flex-shrink: 0;
}

.service-row__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
  margin: 0;
  min-width: 0;
}

.service-row__blurb {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 48ch;
  line-height: 1.5;
  margin: 0;
}

.service-row__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3);
}

.service-row__price {
  font-family: var(--font-text);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.service-row__duration {
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.service-row__action {
  width: 100%;
  margin-top: var(--space-1);
}

.service-row__action .btn {
  width: 100%;
  min-height: 44px;
  justify-content: center;
}

/* Desktop One-Line Service Row (≥ 1100px) */
@media (min-width: 1100px) {
  .service-row {
    display: grid;
    grid-template-columns: 70px 1.6fr 2fr 1.2fr auto;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5) 0;
  }
  .service-row__header {
    display: contents;
  }
  .service-row__action {
    width: auto;
    margin-top: 0;
  }
  .service-row__action .btn {
    width: auto;
    min-height: auto;
  }
  .service-row:hover {
    background-color: var(--bone);
    padding-inline: var(--space-3);
  }
}

/* Comprehensive Services Page Card (.service-card-full) */
.service-card-full {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-bottom: var(--border-hairline);
}

.service-card-full__num {
  font-size: clamp(2rem, 5vw, 3rem);
}

.service-card-full__primary {
  min-width: 0;
}

.service-card-full__price-wrap {
  margin-top: var(--space-2);
}

.service-card-full__price {
  font-size: 1.15rem;
  color: var(--ink);
}

.service-card-full__action {
  margin-top: var(--space-3);
}

.service-card-full__action .btn {
  width: 100%;
  min-height: 44px;
  justify-content: center;
}

.service-card-full__details {
  min-width: 0;
}

.service-card-full__bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
  border-top: var(--border-hairline);
  padding-top: var(--space-3);
}

.service-card-full__bullet {
  display: flex;
  gap: var(--space-2);
  font-size: 0.95rem;
  color: var(--muted);
}

.service-card-full__bullet-mark {
  color: var(--sindoor);
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .service-card-full {
    display: grid;
    grid-template-columns: 70px 1.2fr 2fr;
    gap: var(--space-5);
    padding-block: var(--space-6);
  }
  .service-card-full__action .btn {
    width: auto;
  }
}

/* ==========================================================================
   4. Gallery Cards & Grid Spans (DESIGN §5, Tasks 3.4)
   ========================================================================== */
.gallery-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  border-bottom: var(--border-hairline);
  padding-bottom: var(--space-3);
}

.filter-btn {
  font-family: var(--font-text);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--ink);
  border-color: var(--line);
}

.filter-btn.is-active {
  color: #fff;
  background-color: var(--ink);
  border-color: var(--ink);
}

@media (max-width: 600px) {
  .gallery-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-bottom: var(--space-4);
  }

  .filter-btn {
    flex: 1 1 calc(33.333% - 0.5rem);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0.5rem 0.5rem;
    font-size: 0.72rem;
  }
}

@media (max-width: 420px) {
  .filter-btn {
    flex: 1 1 calc(50% - 0.5rem);
  }
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  grid-auto-flow: dense;
}

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }
}

@media (min-width: 1100px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
  }
}

.gallery-card {
  display: flex;
  flex-direction: column;
  background-color: var(--paper);
  border: var(--border-hairline);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  height: 100%;
}

/* Mixed card spans based on aspect-ratio (only on multi-column viewports) */
@media (min-width: 640px) {
  .gallery-card--wide {
    grid-column: span 2;
  }
}

.gallery-card__media {
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: var(--paper);
}

.gallery-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-card:hover .gallery-card__img {
  transform: scale(1.03);
}

.gallery-card__caption {
  padding: var(--space-3);
  background-color: var(--paper);
  border-top: var(--border-hairline);
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-grow: 1;
  width: 100%;
}

.gallery-card__category {
  font-family: var(--font-text);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sindoor);
}

.gallery-card__title {
  font-family: var(--font-text);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

@media (max-width: 639px) {
  .gallery-card__caption {
    padding: var(--space-3) var(--space-4);
  }

  .gallery-card__title {
    font-size: 0.95rem;
    line-height: 1.35;
  }
}

/* ==========================================================================
   4b. Lookbook 3D Coverflow Carousel (Home Teaser - PRD §6 F3, DESIGN §5)
   ========================================================================== */
.carousel {
  --card-width: 320px;
  --step: 220px;
  --depth: 130px;
  --angle: 30deg;
  --stage-height: 500px;
  position: relative;
  width: 100%;
  overflow-x: clip;
  outline: none;
}

#lookbook-carousel {
  overflow-x: clip;
}

.carousel:focus-visible {
  outline: 2px solid var(--sindoor);
  outline-offset: 4px;
}

.carousel__stage {
  position: relative;
  width: 100%;
  height: var(--stage-height);
  -webkit-perspective: 1400px;
  perspective: 1400px;
  perspective-origin: 50% 50%;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  overscroll-behavior-x: contain;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
  cursor: grab;
}

.carousel__stage:active {
  cursor: grabbing;
}

.carousel__track {
  position: relative;
  width: 100%;
  height: 100%;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.carousel__card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--card-width);
  height: calc(var(--card-width) * 4 / 3);
  aspect-ratio: 3 / 4;
  margin-top: calc(var(--card-width) * 4 / 3 / -2);
  margin-left: calc(var(--card-width) / -2);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateX(calc(var(--o, 0) * var(--step)))
             translateZ(calc(var(--a, 0) * var(--depth) * -1))
             rotateY(calc(var(--o, 0) * var(--angle)))
             scale(calc(1 - var(--a, 0) * 0.08));
  transition: transform 500ms cubic-bezier(.25, 1, .3, 1), opacity 500ms ease;
  will-change: transform;
  border: var(--border-hairline);
  background-color: var(--bone);
  overflow: hidden;
  cursor: pointer;
  pointer-events: auto;
}

.carousel__card.is-active {
  cursor: zoom-in;
}

.carousel__card:focus-visible {
  outline: 2px solid var(--sindoor);
  outline-offset: 3px;
}

.carousel__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.carousel__card-overlay {
  position: absolute;
  inset: 0;
  background-color: var(--ink);
  opacity: calc(var(--a, 0) * 0.32);
  pointer-events: none;
  transition: opacity 500ms ease;
}

.carousel__placeholder {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 4;
  border: none;
}

/* Active Caption Below Stage */
.carousel__caption-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-4);
  margin-top: var(--space-3);
  border-top: var(--border-hairline);
  min-height: 4.8rem;
}

.carousel__caption-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: opacity 200ms ease;
  max-width: 620px;
}

.carousel__caption-info.is-changing {
  opacity: 0;
}

.carousel__caption-cat {
  font-family: var(--font-text);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--sindoor);
}

.carousel__caption-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
  margin: 0;
}

.carousel__caption-meta {
  font-family: var(--font-text);
  font-size: 0.85rem;
  color: var(--muted);
}

.carousel__actions-wrap {
  display: flex;
  align-items: center;
}

.carousel__btn-book {
  white-space: nowrap;
}

/* Controls Bar (Prev / Counter / Next / PlayPause) */
.carousel__controls-bar {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-top: var(--space-3);
}

.carousel__controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-1);
}

.carousel__btn-text {
  background: none;
  border: none;
  font-family: var(--font-text);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  padding: var(--space-1) var(--space-2);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.carousel__btn-text:hover {
  color: var(--sindoor);
}

.carousel__btn-text:focus-visible {
  outline: 2px solid var(--sindoor);
  outline-offset: 2px;
}

.carousel__counter {
  font-family: var(--font-text);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
  min-width: 4.5rem;
  text-align: center;
}

.carousel__controls-sep {
  color: var(--line);
  font-size: 0.8rem;
}

/* Tablet Layout Tuning (1024px) */
@media (max-width: 1024px) {
  .carousel {
    --card-width: 280px;
    --step: 140px;
    --depth: 100px;
    --angle: 28deg;
    --stage-height: 420px;
  }

  .carousel__stage {
    perspective: 1200px;
  }

  /* Show 3 cards on tablet (centre + 1 each side) */
  .carousel__card:not(.is-active):not(.is-neighbor) {
    opacity: 0 !important;
    pointer-events: none !important;
  }
}

/* Mobile Layout Tuning (640px) */
@media (max-width: 640px) {
  .carousel {
    --card-width: min(250px, 68vw);
    --step: clamp(70px, 25vw, 95px);
    --depth: 60px;
    --angle: 20deg;
    --stage-height: clamp(350px, 92vw, 390px);
  }

  .carousel__stage {
    perspective: 1000px;
  }

  .carousel__caption-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .carousel__actions-wrap {
    width: 100%;
  }

  .carousel__btn-book {
    width: 100%;
    justify-content: center;
  }
}

/* Reduced Motion Fallback: Flat horizontal scroll-snap row */
@media (prefers-reduced-motion: reduce) {
  .carousel__stage {
    perspective: none !important;
    transform-style: flat !important;
    height: auto !important;
    overflow-x: auto !important;
    scroll-snap-type: x mandatory !important;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-3);
    cursor: default !important;
    display: flex !important;
    justify-content: flex-start !important;
  }

  .carousel__track {
    transform-style: flat !important;
    display: flex !important;
    gap: var(--space-4) !important;
    width: max-content !important;
    height: auto !important;
    pointer-events: auto !important;
  }

  .carousel__card {
    position: static !important;
    transform: none !important;
    margin: 0 !important;
    flex: 0 0 min(280px, 75vw) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    scroll-snap-align: center !important;
    transition: none !important;
  }

  .carousel__card-overlay {
    display: none !important;
  }
}

/* NoScript / Static Fallback */
.carousel__noscript-fallback {
  padding: var(--space-6) var(--space-4);
  background-color: var(--bone);
  border: var(--border-hairline);
  text-align: center;
}

/* ==========================================================================
   5. Booking Sheet Dialog (DESIGN §5, Tasks 3.5)
   ========================================================================== */
dialog:not([open]) {
  display: none !important;
}

.booking-sheet {
  position: fixed;
  inset: 0;
  border: none;
  background: transparent;
  max-width: 520px;
  width: calc(100% - 2rem);
  padding: 0;
  margin: auto;
  z-index: var(--z-modal);
}

.booking-sheet::backdrop {
  background-color: rgba(15, 14, 13, 0.7);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

.booking-sheet__panel {
  background-color: var(--paper);
  border: 1px solid var(--ink);
  box-shadow: var(--shadow-hard);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  max-height: 90vh;
  max-height: 90svh;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.booking-sheet__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4);
  border-bottom: var(--border-hairline);
  padding-bottom: var(--space-3);
}

.booking-sheet__title {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 750;
  margin-top: 4px;
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
}

.booking-sheet__subtitle {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 4px;
}

.booking-sheet__close {
  font-size: 1.25rem;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.booking-sheet__close:hover {
  background: var(--ink);
  color: var(--paper);
}

/* Bottom-border-only form fields per DESIGN §5 */
.form-group {
  margin-bottom: var(--space-3);
  display: flex;
  flex-direction: column;
}

.form-group.is-hidden {
  display: none;
}

.form-input,
.form-select,
.form-textarea {
  border: none;
  border-bottom: 1px solid var(--line-strong);
  background-color: transparent;
  padding: 0.65rem 0;
  font-family: var(--font-text);
  font-size: 16px; /* iOS Safari auto-zoom prevention: strictly >= 16px (RULES §G2) */
  color: var(--ink);
  border-radius: 0;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}

input[type="date"].form-input {
  min-height: 44px;
  -webkit-appearance: none;
  appearance: none;
  background-color: transparent;
  cursor: pointer;
  position: relative;
}

input[type="date"]::-webkit-date-and-time-value {
  text-align: left;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-bottom-color: var(--sindoor);
}

.form-error {
  font-size: 0.75rem;
  color: var(--sindoor);
  margin-top: 4px;
}

/* Live message preview bubble */
.booking-sheet__preview {
  margin-block: var(--space-4);
  background-color: var(--bone);
  border: var(--border-hairline);
  padding: var(--space-3);
}

.message-bubble {
  font-family: monospace;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
  margin-top: 6px;
}

.booking-sheet__footnote {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  margin-top: var(--space-2);
}

/* Mobile bottom-sheet layout */
@media (max-width: 600px) {
  .booking-sheet {
    max-width: 100%;
    width: 100%;
    margin-bottom: 0;
    bottom: 0;
    top: auto;
    border-bottom: none;
  }
  .booking-sheet__panel {
    border-bottom: none;
    max-height: 85vh;
    max-height: 85svh;
    padding-bottom: max(var(--space-4), env(safe-area-inset-bottom, 0px));
  }
}

/* ==========================================================================
   6. Lightbox (DESIGN §5, Tasks 3.6)
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  background-color: rgba(15, 14, 13, 0.97);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1rem, 3vw, 2rem);
  padding-top: max(clamp(1rem, 3vw, 2rem), env(safe-area-inset-top, 0px));
  padding-bottom: max(clamp(1rem, 3vw, 2rem), env(safe-area-inset-bottom, 0px));
  padding-left: max(clamp(1rem, 3vw, 2rem), env(safe-area-inset-left, 0px));
  padding-right: max(clamp(1rem, 3vw, 2rem), env(safe-area-inset-right, 0px));
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: var(--border-hairline-inv);
  padding-bottom: var(--space-3);
}

.lightbox__stage {
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: var(--space-3);
  max-height: 72vh;
  max-height: 72svh;
}

.lightbox__img {
  max-width: 90%;
  max-height: 68vh;
  max-height: 68svh;
  object-fit: contain;
}

.lightbox__btn-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15, 14, 13, 0.6);
  border: 1px solid var(--line-inv);
  color: var(--paper);
  padding: 1rem 1.25rem;
  font-family: var(--font-text);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lightbox__btn-nav:hover {
  background: var(--sindoor);
  border-color: var(--sindoor);
}

.lightbox__btn-nav--prev { left: var(--space-3); }
.lightbox__btn-nav--next { right: var(--space-3); }

.lightbox__footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-top: var(--border-hairline-inv);
  padding-top: var(--space-3);
  gap: var(--space-3);
}

.lightbox__caption-title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.75rem);
  font-weight: 750;
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
}

.lightbox__credit {
  font-size: var(--fs-label);
  color: rgba(243, 238, 230, 0.6);
  margin-top: 4px;
}

@media (max-width: 600px) {
  .lightbox__footer {
    flex-wrap: wrap;
    align-items: stretch;
    gap: var(--space-3);
  }

  .lightbox__footer .btn {
    width: 100%;
    justify-content: center;
  }

  .lightbox__header {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
}

/* ==========================================================================
   7. Branch Tabs, Panels & Map Frame (DESIGN §5, Tasks 3.7)
   ========================================================================== */
.studios-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-6);
  border-top: var(--border-hairline);
  padding-top: var(--space-5);
}

.studio-tablist {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.studio-tab {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid transparent;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.studio-tab__num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--muted);
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
}

.studio-tab__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 750;
  color: var(--ink);
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
}

.studio-tab:hover {
  background-color: var(--bone);
}

.studio-tab.is-active {
  background-color: var(--bone);
  border-left: 3px solid var(--sindoor);
}

.studio-tab.is-active .studio-tab__num {
  color: var(--sindoor);
}

.studio-panel {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
}

.studio-panel.is-active {
  display: flex;
}

.studio-hours-table td {
  padding-block: var(--space-2);
  border-bottom: var(--border-hairline);
  font-size: 0.95rem;
}

.studio-hours-table td:last-child {
  text-align: right;
  font-weight: 600;
}

.studio-map-frame {
  aspect-ratio: 16 / 10;
  width: 100%;
  border: var(--border-hairline);
  filter: grayscale(1) contrast(1.05);
  transition: filter var(--transition-base);
  background-color: var(--bone);
}

.studio-map-frame:hover,
.studio-map-frame:focus-within {
  filter: none;
}

.studio-map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 900px) {
  .studios-layout {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .studio-tablist {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  .studio-tab {
    flex: 1 1 auto;
    min-width: 140px;
    padding: var(--space-3);
  }
}

@media (max-width: 600px) {
  .studio-panel .btn {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }
}

/* ==========================================================================
   8. Review Quote (DESIGN §5, Tasks 3.8)
   ========================================================================== */
.review-quote-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background-color: var(--bone);
  border: var(--border-hairline);
}

.review-quote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-style: italic;
  font-weight: 500;
  line-height: 1.35;
  color: var(--ink);
  quotes: "“" "”";
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
}

.review-author {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: var(--border-hairline);
  padding-top: var(--space-3);
}

/* ==========================================================================
   9. Footer (DESIGN §5, Tasks 3.9)
   ========================================================================== */
.site-footer {
  background-color: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
  padding-top: var(--space-8);
  padding-bottom: max(var(--space-4), env(safe-area-inset-bottom, 0px));
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: var(--space-6);
  position: relative;
  z-index: 2;
}

.eyebrow--inv {
  color: rgba(243, 238, 230, 0.65);
}

.site-footer__col-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 750;
  margin-top: 4px;
  margin-bottom: var(--space-3);
  color: var(--paper);
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
}

.site-footer__branches {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.site-footer__branch-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-footer__branch-area {
  font-size: 0.85rem;
  color: rgba(243, 238, 230, 0.65);
}

.site-footer__branch-contact {
  font-size: 0.85rem;
  margin-top: 2px;
}

.site-footer__sep {
  margin-inline: 4px;
  color: var(--sindoor);
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__link {
  color: rgba(243, 238, 230, 0.85);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.site-footer__link:hover {
  color: var(--sindoor);
}

.site-footer__link--underline {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer__text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(243, 238, 230, 0.75);
}

.site-footer__social {
  margin-top: var(--space-4);
}

/* Giant Cropped Masthead Background */
.site-footer__masthead-wrap {
  width: 100%;
  overflow: hidden;
  position: relative;
  margin-top: var(--space-6);
  margin-bottom: -0.25em;
  pointer-events: none;
  user-select: none;
}

.site-footer__masthead {
  font-family: var(--font-display);
  font-size: clamp(5rem, 24vw, 22rem);
  font-weight: 800;
  line-height: 0.72;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: rgba(243, 238, 230, 0.08);
  white-space: nowrap;
  font-optical-sizing: none;
  font-variation-settings: "opsz" var(--display-opsz);
  -webkit-text-stroke: 0.012em currentColor;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  font-size: 0.78rem;
  color: rgba(243, 238, 230, 0.5);
  position: relative;
  z-index: 2;
}

@media (max-width: 900px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

@media (max-width: 600px) {
  .site-footer__bottom {
    flex-direction: column;
    gap: var(--space-2);
    align-items: flex-start;
  }
}