/* ==========================================================================
   SSRINI LUXURY HANDCRAFTS — SPREAD ROWS MOTION ENGINE
   Pure Code Recreation of animos.app "Spread Rows"
   Center 1:1 Origin -> Breakout Emergence -> 3-Row Momentum Stream
   ========================================================================== */

:root {
  --dark: #2a2a2a;
  --dark-subtle: #4a4a4a;
  --light: #8e8e93;
  --background: #f3f7fa;
  --white: #ffffff;
  --accent-gold: #c8a261;
  --gold-glow: rgba(200, 162, 97, 0.45);
  --gold-border: rgba(200, 162, 97, 0.9);
  --border-hairline: rgba(0, 0, 0, 0.08);
  --shadow-subtle: 0 4px 14px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 20px 45px rgba(0, 0, 0, 0.12), 0 0 22px rgba(200, 162, 97, 0.45);
  --font-serif: 'Cinzel', Georgia, serif;
  --font-sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Syne', sans-serif;
  --card-size: clamp(140px, 16vw, 190px);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  min-height: 100%;
  background-color: var(--background);
  color: var(--dark);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body:not(.collection-body) {
  height: 100%;
  overflow: hidden;
}

/* ==========================================================================
   1. STAGE VIEWPORT & AMBIENT CANVAS
   ========================================================================== */
.spread-showcase-stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 50%, #ffffff 0%, #f5f8fa 55%, #ebf1f5 100%);
}

.stage-grain-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: radial-gradient(#2a2a2a 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 1;
}

.stage-ambient-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(900px, 95vw);
  height: min(900px, 95vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 162, 97, 0.07) 0%, rgba(243, 247, 250, 0) 70%);
  pointer-events: none;
  z-index: 2;
}

/* ==========================================================================
   2. MINIMAL LUXURY HEADER & HUD
   ========================================================================== */
.spread-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  padding: 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0) 100%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.brand-badge-group {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-logo-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--dark);
  text-decoration: none;
}

.badge-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-gold);
  border: 1px solid rgba(200, 162, 97, 0.35);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(200, 162, 97, 0.06);
}

.spread-hud-controls {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(200, 162, 97, 0.35);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06), 0 0 18px rgba(200, 162, 97, 0.12);
}

.hud-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: none;
  border: none;
  color: var(--dark);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  transition: all 0.25s ease;
}

.hud-btn:hover {
  background: rgba(200, 162, 97, 0.12);
  color: #9b7834;
}

.hud-btn.is-active {
  background: #c8a261;
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(200, 162, 97, 0.35);
}

.hud-divider {
  width: 1px;
  height: 18px;
  background: rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   3. ANIMOS ROWS VIEWPORT & TRACKS
   ========================================================================== */
.spread-viewport {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  overflow: hidden;
}

/* The 3-row stack container */
.spread-rows-container {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  pointer-events: none;
  z-index: 15;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.spread-rows-container.is-visible {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

/* Individual Row Track */
.spread-row-track {
  position: relative;
  width: 100%;
  height: var(--card-size);
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* Inner gliding ribbon holding the cards */
.spread-row-ribbon {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  will-change: transform;
  white-space: nowrap;
}

/* ==========================================================================
   4. HERO 1:1 ORIGIN CARD (The Centerpiece)
   ========================================================================== */
.hero-origin-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: clamp(230px, 30vmin, 320px);
  aspect-ratio: 1 / 1;
  z-index: 50;
  cursor: pointer;
  border-radius: 12px;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.12), 0 0 24px rgba(200, 162, 97, 0.2);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, opacity 0.5s ease;
}

.hero-origin-container:hover {
  transform: translate(-50%, -50%) scale(1.03);
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.16), 0 0 32px rgba(200, 162, 97, 0.45);
}

.hero-origin-container.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.85);
}

.hero-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: #f0f3f6;
  border: 1px solid rgba(200, 162, 97, 0.5);
}

.hero-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: translate3d(0, 0, 0);
  transition: transform 0.6s ease;
}

.hero-origin-container:hover .hero-card-img {
  transform: scale(1.05);
}

.hero-card-badge {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(200, 162, 97, 0.4);
  color: var(--dark);
  font-family: var(--font-serif);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  white-space: nowrap;
  pointer-events: none;
}

/* ==========================================================================
   5. SPREAD CARDS (Interactive Live DOM Containers)
   ========================================================================== */
.spread-card {
  position: relative;
  flex: 0 0 var(--card-size);
  width: var(--card-size);
  height: var(--card-size);
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: auto;
  transform-origin: center center;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

.spread-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 10px;
  overflow: hidden;
  background-color: #f0f3f6;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow-subtle);
  transition: border-color 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.spread-card:hover .spread-card-inner {
  border-color: #c8a261;
  transform: translateY(-5px) scale(1.05);
  box-shadow: var(--shadow-hover);
}

.spread-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
  image-rendering: auto;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
  transition: transform 0.5s ease;
}

.spread-card:hover .spread-card-img {
  transform: scale(1.08);
}

/* Subtle luxury crystal glass glint */
.spread-card-glint {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 45%);
  pointer-events: none;
}

/* Card Caption Chip */
.spread-card-tag {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--dark);
  font-family: var(--font-sans);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 2px 6px;
  border-radius: 4px;
  pointer-events: none;
}

/* ==========================================================================
   6. BREAKOUT & UNPACKING LAYER (Animos Nested Slide-Out Physics)
   ========================================================================== */
.spread-breakout-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 40;
  overflow: hidden;
}

.flying-breakout-card,
.unpack-stage-card {
  position: absolute;
  width: var(--card-size);
  height: var(--card-size);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12), 0 0 16px rgba(200, 162, 97, 0.25);
  border: 1px solid rgba(200, 162, 97, 0.5);
  will-change: transform, opacity, box-shadow;
  background: #f0f3f6;
  transform-origin: center center;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  pointer-events: none;
}

.flying-breakout-img,
.unpack-stage-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

/* ==========================================================================
   7. LUXURY LIGHTBOX MODAL (Crystal Clarity Inspection)
   ========================================================================== */
.spread-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 20, 24, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s ease;
  padding: 1.5rem;
}

.spread-modal-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.spread-modal-card {
  position: relative;
  width: min(540px, 92vw);
  background: #ffffff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(200, 162, 97, 0.5);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28), 0 0 40px rgba(200, 162, 97, 0.3);
  transform: scale(0.92) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.spread-modal-overlay.is-active .spread-modal-card {
  transform: scale(1) translateY(0);
}

.modal-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #f0f3f6;
  overflow: hidden;
}

.modal-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--dark);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: #c8a261;
  color: #ffffff;
  transform: rotate(90deg);
}

.modal-content-panel {
  padding: 1.5rem 1.75rem 1.75rem;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.modal-tag {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--dark);
  letter-spacing: 0.03em;
}

.modal-desc {
  font-size: 0.85rem;
  line-height: 1.55;
  color: #666;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  :root {
    --card-size: 135px;
  }
  .spread-header {
    padding: 0 1.25rem;
  }
  .brand-logo-text {
    font-size: 0.95rem;
  }
  .spread-hud-controls {
    bottom: 1.2rem;
    padding: 0.4rem 0.8rem;
    gap: 0.5rem;
  }
  .hud-btn {
    font-size: 0.65rem;
    padding: 0.25rem 0.55rem;
  }
}

/* Pure luxury container mode: no extra text overlays or HUD buttons */
.hero-card-badge,
.spread-card-tag,
.spread-hud-controls,
.orbit-scroll-prompt {
  display: none !important;
}

/* ====== COMPREHENSIVE MOBILE OPTIMIZATION OVERRIDES ====== */
@media screen and (max-width: 768px) {
  .spread-layout, .spread-row {
    grid-template-columns: 1fr !important;
    display: flex !important;
    flex-direction: column !important;
    height: auto !important;
    min-height: auto !important;
  }
}