/* ============================================
   AmnShield Guide — Scoped Styles
   CSS-only phone frame + scroll-synced transitions
   ============================================ */

/* ----- Phone Frame (CSS-only) ----- */
.phone-frame {
  width: 280px;
  height: 572px;
  border-radius: 2.5rem;
  border: 6px solid #1e293b;
  background: #0f172a;
  box-shadow:
    0 0 0 2px #334155,
    0 25px 60px -12px rgba(10, 37, 64, 0.35),
    0 12px 24px -8px rgba(10, 37, 64, 0.2);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

/* Notch */
.phone-frame::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 22px;
  background: #1e293b;
  border-radius: 0 0 14px 14px;
  z-index: 10;
}

/* Home indicator bar */
.phone-frame::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: #475569;
  border-radius: 4px;
  z-index: 10;
}

/* ----- Phone Screen Container ----- */
.phone-screen {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  border-radius: 2rem;
}

/* ----- Individual Screenshots ----- */
.phone-screen .screen-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity;
}

.phone-screen .screen-slide.active {
  opacity: 1;
}

.phone-screen .screen-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ----- Sticky Phone Column ----- */
.guide-walkthrough {
  position: relative;
}

.guide-phone-col {
  position: sticky;
  top: 7rem;
  height: fit-content;
  align-self: start;
}

/* ----- Step Sections ----- */
.guide-step {
  min-height: 60vh;
  display: flex;
  align-items: center;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.guide-step.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Step number badge */
.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

/* ----- Voiceover Toggle ----- */
.voiceover-toggle {
  position: fixed;
  bottom: 6rem;
  right: 1.5rem;
  z-index: 40;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid #d1d5db;
  background: #ffffff;
  color: #4b5563;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.voiceover-toggle:hover {
  border-color: #D4AF37;
  color: #D4AF37;
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.2);
}

.voiceover-toggle:focus-visible {
  outline: 2px solid #D4AF37;
  outline-offset: 2px;
}

.voiceover-toggle[aria-pressed="true"] {
  background: #0A2540;
  border-color: #D4AF37;
  color: #D4AF37;
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15), 0 4px 16px rgba(10, 37, 64, 0.3);
}

.voiceover-toggle .pulse-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #D4AF37;
  opacity: 0;
  animation: none;
}

.voiceover-toggle[aria-pressed="true"] .pulse-ring {
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ----- Progress Dots ----- */
.guide-progress {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.guide-progress .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d1d5db;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  padding: 0;
}

.guide-progress .dot.active {
  background: #D4AF37;
  transform: scale(1.4);
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.4);
}

/* ----- Setup Cards ----- */
.setup-card {
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.setup-card:hover {
  border-color: #D4AF37;
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.08);
}

/* ----- Scroll Indicator ----- */
.scroll-indicator {
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ----- Mobile Responsive ----- */
@media (max-width: 1023px) {
  .guide-phone-col {
    position: relative;
    top: 0;
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
  }

  .phone-frame {
    width: 240px;
    height: 490px;
  }

  .guide-step {
    min-height: 40vh;
  }

  .guide-progress {
    display: none;
  }
}

@media (max-width: 639px) {
  .phone-frame {
    width: 200px;
    height: 408px;
    border-width: 4px;
    border-radius: 2rem;
  }

  .phone-frame::before {
    width: 60px;
    height: 18px;
    top: 6px;
  }

  .voiceover-toggle {
    bottom: 5rem;
    right: 1rem;
    width: 42px;
    height: 42px;
  }
}

/* ----- Reduced Motion ----- */
@media (prefers-reduced-motion: reduce) {
  .phone-screen .screen-slide {
    transition: opacity 0.01s;
  }

  .guide-step {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-indicator {
    animation: none;
  }

  .voiceover-toggle .pulse-ring {
    animation: none;
  }
}