/**
 * NV CITY - Component 02: Cinematic Scroll-Story Hero Stylesheet
 * Mobile-First Multi-Scene Architecture with Controlled Scroll Zones
 */

/* ==========================================================================
   Scroll Track & Sticky Viewport Window
   ========================================================================== */
.hero-scroll-track {
  position: relative;
  width: 100%;
  height: 400vh; /* 400-500vh controlled scroll zones */
  background-color: #041426; /* Deep Navy base */
}

@media (max-width: 767px) {
  .hero-scroll-track {
    /* Mobile-first: 320vh height for natural thumb scrolling through the 5 scenes */
    height: 320vh;
  }
}

.hero-sticky-viewport {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100svh; /* Modern mobile dynamic viewport height */
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: #041426;
}

/* ==========================================================================
   Visual Canvas & Scene Backgrounds
   ========================================================================== */
.hero-visual-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.hero-visual-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 1200ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.hero-visual-slide.is-active {
  opacity: 1;
  transform: scale(1.0);
}

.hero-ambient-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   Cinematic Layered Gradient Overlay
   ========================================================================== */
.hero-cinematic-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  /* Mobile: Stronger dark overlay so text occupies screen comfortably */
  background: linear-gradient(
    180deg,
    rgba(4, 20, 38, 0.82) 0%,
    rgba(4, 20, 38, 0.58) 45%,
    rgba(4, 20, 38, 0.92) 100%
  );
}

@media (min-width: 1024px) {
  .hero-cinematic-overlay {
    /* Desktop: Directional Left-to-Right gradient (darkest on left, lighter on right) */
    background: 
      linear-gradient(
        90deg,
        rgba(7, 27, 51, 0.92) 0%,
        rgba(7, 27, 51, 0.72) 42%,
        rgba(7, 27, 51, 0.22) 72%,
        rgba(7, 27, 51, 0.65) 100%
      ),
      linear-gradient(
        180deg,
        rgba(4, 20, 38, 0.55) 0%,
        transparent 35%,
        rgba(4, 20, 38, 0.85) 100%
      );
  }
}

/* ==========================================================================
   Dedicated [ ▶ Watch Project Film ] Lightbox Trigger
   ========================================================================== */
.hero-film-badge {
  position: absolute;
  top: calc(var(--header-height, 68px) + 14px);
  right: 18px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(7, 27, 51, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #FFFFFF;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.hero-film-badge:hover {
  background: rgba(20, 110, 245, 0.35);
  border-color: #93C5FD;
  transform: translateY(-2px);
}

.film-play-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #146EF5;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.film-play-icon svg {
  width: 10px;
  height: 10px;
  margin-left: 1px;
}

.film-play-text {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media (min-width: 1024px) {
  .hero-film-badge {
    top: calc(var(--header-height, 78px) + 20px);
    right: 36px;
  }
}

/* ==========================================================================
   Main Stage Container & Grid
   ========================================================================== */
.hero-stage-container {
  position: relative;
  z-index: 3;
  width: 100%;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--header-height, 68px) + 16px);
  padding-bottom: 60px; /* Space for bottom bar */
  padding-left: 18px;
  padding-right: 18px;
}

.hero-stage-grid {
  width: 100%;
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (min-width: 1024px) {
  .hero-stage-container {
    padding-left: 6%; /* Aligned 6-8% from viewport */
    padding-right: 6%;
    padding-bottom: 74px;
    background: linear-gradient(90deg,rgba(7, 27, 51, 1) 0%, rgba(7, 27, 51, 0.59) 31%, rgba(7, 27, 51, 0) 57%);
  }

  .hero-stage-grid {
    display: grid;
    grid-template-columns: minmax(540px, 620px) 1fr;
    align-items: center;
    gap: 48px;
  }
}

/* ==========================================================================
   The 5 Narrative Text Scenes (Deck)
   ========================================================================== */
.hero-text-deck {
  position: relative;
  width: 100%;
  min-height: 360px;
  display: flex;
  align-items: center;
}

@media (max-width: 480px) {
  .hero-text-deck {
    min-height: 330px;
  }
}

.hero-story-card {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  max-width: 620px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(22px);
  transition: opacity 450ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 450ms cubic-bezier(0.16, 1, 0.3, 1),
              visibility 450ms;
  pointer-events: none;
}

.hero-story-card.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

/* Eyebrow Label */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 12px; /* 12-13px */
  font-weight: 600;
  letter-spacing: 0.1em; /* 0.08-0.12em */
  text-transform: uppercase;
  color: #93C5FD;
  background: rgba(20, 110, 245, 0.2);
  border: 1px solid rgba(147, 197, 253, 0.28);
  padding: 5px 12px;
  border-radius: 9999px;
  margin-bottom: 14px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #146EF5;
  box-shadow: 0 0 8px #60A5FA;
}

/* Hero Heading */
.hero-heading {
  font-family: var(--font-heading);
  font-size: 38px; /* Mobile: 38-44px */
  font-weight: 800;
  line-height: 1.02; /* 0.95-1.05 */
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 14px;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.5);
}

.text-blue-accent {
  color: #146EF5;
}

@media (min-width: 768px) {
  .hero-heading {
    font-size: 52px; /* Tablet: 48-58px */
  }
}

@media (min-width: 1024px) {
  .hero-heading {
    font-size: 64px; /* Desktop: 60-72px */
    margin-bottom: 18px;
  }
}

/* Subheading */
.hero-subheading {
  font-family: var(--font-body);
  font-size: 16px; /* Mobile: 16-18px */
  line-height: 1.55;
  color: #DCE6F2;
  margin-bottom: 24px;
  max-width: 520px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

@media (min-width: 1024px) {
  .hero-subheading {
    font-size: 19px; /* Desktop: 18-20px */
    margin-bottom: 30px;
  }
}

/* Action Buttons */
.hero-actions-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.hero-btn-main {
  height: 48px; /* 48-52px */
  min-height: 48px;
  padding: 12px 24px;
  background-color: #146EF5;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 700;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(20, 110, 245, 0.35);
}

.hero-btn-main:hover {
  background-color: #0E5AD3;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(20, 110, 245, 0.45);
}

.hero-btn-sub {
  height: 48px;
  min-height: 48px;
  padding: 12px 22px;
  background: transparent;
  border: 1px solid #FFFFFF;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  border-radius: 10px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.hero-btn-sub:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

@media (max-width: 420px) {
  .hero-actions-row {
    flex-direction: column;
    width: 100%;
  }

  .hero-btn-main,
  .hero-btn-sub {
    width: 100%;
    justify-content: center;
  }
}

/* Benefit Micro-Line */
.hero-benefits-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: #EAF3FF;
}

.benefit-item svg {
  width: 16px;
  height: 16px;
  color: #60A5FA;
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .benefit-item.hide-on-mobile {
    display: none;
  }
}

/* Scene 03 Inline Transit Grid */
.scene-transit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 22px;
  max-width: 440px;
}

.transit-mini-box {
  background: rgba(20, 110, 245, 0.18);
  border: 1px solid rgba(147, 197, 253, 0.3);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
}

.transit-mini-val {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  color: #FFFFFF;
}

.transit-mini-lbl {
  font-size: 12px;
  color: #93C5FD;
  font-weight: 600;
}

/* ==========================================================================
   Desktop Right Column: Floating Verified Connectivity Sidebar
   ========================================================================== */
.hero-transit-sidebar {
  display: none; /* Hidden on mobile/tablet */
}

@media (min-width: 1024px) {
  .hero-transit-sidebar {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 14px;
  }

  .floating-transit-pill {
    width: 270px;
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(7, 27, 51, 0.74);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 14px;
    padding: 12px 18px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease, border-color 0.2s ease;
  }

  .floating-transit-pill:hover {
    transform: translateX(-4px);
    border-color: rgba(20, 110, 245, 0.6);
  }

  .transit-pill-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(20, 110, 245, 0.22);
    color: #60A5FA;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .transit-pill-content {
    display: flex;
    flex-direction: column;
  }

  .transit-dist-num {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.1;
  }

  .transit-dist-name {
    font-size: 13px;
    color: #94A3B8;
    font-weight: 500;
  }
}

/* ==========================================================================
   Hero Bottom Bar: Stepper & Scroll Indication
   ========================================================================== */
.hero-bottom-controls {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px max(14px, env(safe-area-inset-bottom));
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(4, 20, 38, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

@media (min-width: 1024px) {
  .hero-bottom-controls {
    padding-left: 6%;
    padding-right: 6%;
    background: transparent;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
}

/* Desktop Scene Stepper: 01 ━━━ 02 ━━━ 03 ━━━ 04 ━━━ 05 */
.desktop-scene-stepper {
  display: none;
}

@media (min-width: 768px) {
  .desktop-scene-stepper {
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .scene-step-link {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    padding: 6px 0;
    cursor: pointer;
  }

  .step-num {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.45);
    transition: color 0.2s ease;
  }

  .step-bar {
    width: 26px;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
  }

  .scene-step-link.is-active .step-num {
    color: #FFFFFF;
  }

  .scene-step-link.is-active .step-bar {
    width: 48px;
    background-color: #146EF5;
  }
}

/* Mobile Scene Indicator: 01 / 05 */
.mobile-scene-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
  padding: 4px 10px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.mobile-scene-badge .divider {
  color: #8295A9;
}

.mobile-scene-badge .total-scene-text {
  color: #8295A9;
}

@media (min-width: 768px) {
  .mobile-scene-badge {
    display: none;
  }
}

/* Scroll to Explore Indication */
.scroll-explore-prompt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.mouse-scroll-glyph {
  width: 16px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-radius: 10px;
  position: relative;
}

.mouse-wheel-dot {
  position: absolute;
  top: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 5px;
  background-color: #146EF5;
  border-radius: 2px;
  animation: mouseWheelBounce 1.8s infinite;
}

@keyframes mouseWheelBounce {
  0% { transform: translate(-50%, 0); opacity: 1; }
  75% { transform: translate(-50%, 8px); opacity: 0; }
  100% { transform: translate(-50%, 0); opacity: 0; }
}

.mobile-swipe-prompt {
  display: none;
}

@media (max-width: 767px) {
  .scroll-explore-prompt {
    display: none;
  }

  .mobile-swipe-prompt {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(7, 27, 51, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .swipe-arrow-icon {
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #60A5FA;
    animation: swipeUpBounce 1.6s infinite ease-in-out;
  }

  .swipe-arrow-icon svg {
    width: 14px;
    height: 14px;
  }

  @keyframes swipeUpBounce {
    0%, 100% { transform: translateY(0); opacity: 0.75; }
    50% { transform: translateY(-4px); opacity: 1; color: #FFFFFF; }
  }
}

/* Skip Intro Action */
.skip-intro-action {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  background: none;
  border: none;
  text-decoration: underline;
  cursor: pointer;
  padding: 4px 6px;
}

.skip-intro-action:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   Reduced Motion Preferences
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .hero-visual-slide {
    transition: opacity 0.3s ease !important;
    transform: none !important;
  }

  .mouse-wheel-dot {
    animation: none !important;
  }

  .hero-story-card {
    transition: opacity 0.3s ease !important;
    transform: none !important;
  }
}