/* ===================================================
   EXIT-POPUP.CSS — Ultra-Premium Exit Intent Popup
   Luxury Dark Theme · Glassmorphism · Binance Gold
   Apple-level UI · Fully Responsive · Accessible
   =================================================== */

/* -------------------------------------------------
   CSS Custom Properties (Design Tokens)
   ------------------------------------------------- */
:root {
  /* Gold Palette — Binance-inspired */
  --exit-gold-50:  #FFF8E1;
  --exit-gold-100: #FFECB3;
  --exit-gold-200: #FFE082;
  --exit-gold-300: #FFD54F;
  --exit-gold-400: #F3BA2F;
  --exit-gold-500: #E5A91B;
  --exit-gold-600: #C9960E;
  --exit-gold-700: #9E7400;

  /* Dark Palette */
  --exit-dark-950: #050506;
  --exit-dark-900: #0A0A0C;
  --exit-dark-850: #0E0E12;
  --exit-dark-800: #121216;
  --exit-dark-750: #16161B;
  --exit-dark-700: #1A1A20;
  --exit-dark-600: #22222A;
  --exit-dark-500: #2A2A34;
  --exit-dark-400: #3A3A48;
  --exit-dark-300: #52526A;
  --exit-dark-200: #7A7A98;
  --exit-dark-100: #A0A0B8;

  /* Neutrals */
  --exit-white: #FFFFFF;
  --exit-white-90: rgba(255, 255, 255, 0.90);
  --exit-white-70: rgba(255, 255, 255, 0.70);
  --exit-white-50: rgba(255, 255, 255, 0.50);
  --exit-white-30: rgba(255, 255, 255, 0.30);
  --exit-white-15: rgba(255, 255, 255, 0.15);
  --exit-white-08: rgba(255, 255, 255, 0.08);
  --exit-white-05: rgba(255, 255, 255, 0.05);
  --exit-white-03: rgba(255, 255, 255, 0.03);

  /* Semantic */
  --exit-warning-bg: rgba(243, 186, 47, 0.06);
  --exit-warning-border: rgba(243, 186, 47, 0.15);
  --exit-warning-text: #F3BA2F;

  /* Shadows */
  --exit-shadow-sm:  0 2px 8px rgba(0, 0, 0, 0.3);
  --exit-shadow-md:  0 8px 32px rgba(0, 0, 0, 0.4);
  --exit-shadow-lg:  0 16px 64px rgba(0, 0, 0, 0.5);
  --exit-shadow-xl:  0 24px 80px rgba(0, 0, 0, 0.6);
  --exit-shadow-glow: 0 0 60px rgba(243, 186, 47, 0.15),
                      0 0 120px rgba(243, 186, 47, 0.05);

  /* Radii */
  --exit-radius-sm: 8px;
  --exit-radius-md: 12px;
  --exit-radius-lg: 16px;
  --exit-radius-xl: 20px;
  --exit-radius-2xl: 24px;
  --exit-radius-full: 9999px;

  /* Transitions */
  --exit-ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --exit-ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --exit-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Typography */
  --exit-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* -------------------------------------------------
   Body Scroll Lock
   ------------------------------------------------- */
body.exit-popup-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
}

/* -------------------------------------------------
   Overlay
   ------------------------------------------------- */
.exit-popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;

  /* Blurred dark backdrop */
  background: rgba(5, 5, 6, 0.80);
  backdrop-filter: blur(24px) saturate(120%);
  -webkit-backdrop-filter: blur(24px) saturate(120%);

  /* Hidden by default */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  /* Transition */
  transition: opacity 0.5s var(--exit-ease-out-expo),
              visibility 0.5s var(--exit-ease-out-expo);
}

.exit-popup-overlay--active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* -------------------------------------------------
   Popup Container (Glassmorphism Card)
   ------------------------------------------------- */
.exit-popup {
  position: relative;
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  overflow-x: hidden;

  /* Glassmorphism */
  background: linear-gradient(
    168deg,
    rgba(22, 22, 27, 0.95) 0%,
    rgba(14, 14, 18, 0.98) 50%,
    rgba(10, 10, 12, 0.99) 100%
  );
  backdrop-filter: blur(40px) saturate(150%);
  -webkit-backdrop-filter: blur(40px) saturate(150%);

  /* Border */
  border: 1px solid rgba(243, 186, 47, 0.12);
  border-radius: var(--exit-radius-2xl);

  /* Shadow */
  box-shadow: var(--exit-shadow-xl),
              var(--exit-shadow-glow),
              inset 0 1px 0 rgba(255, 255, 255, 0.04);

  /* Animation */
  transform: scale(0.92) translateY(30px);
  opacity: 0;
  transition: transform 0.6s var(--exit-ease-spring),
              opacity 0.5s var(--exit-ease-out-expo);

  /* Custom scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--exit-dark-500) transparent;
}

.exit-popup::-webkit-scrollbar {
  width: 4px;
}
.exit-popup::-webkit-scrollbar-track {
  background: transparent;
}
.exit-popup::-webkit-scrollbar-thumb {
  background: var(--exit-dark-500);
  border-radius: var(--exit-radius-full);
}

.exit-popup-overlay--active .exit-popup {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* -------------------------------------------------
   Decorative Floating Orbs
   ------------------------------------------------- */
.exit-popup__orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.4;
}
.exit-popup__orb--1 {
  width: 200px;
  height: 200px;
  top: -60px;
  right: -40px;
  background: radial-gradient(circle, var(--exit-gold-400), transparent 70%);
  animation: exitOrbFloat1 8s ease-in-out infinite;
}
.exit-popup__orb--2 {
  width: 160px;
  height: 160px;
  bottom: -40px;
  left: -30px;
  background: radial-gradient(circle, var(--exit-gold-500), transparent 70%);
  animation: exitOrbFloat2 10s ease-in-out infinite;
  opacity: 0.25;
}

@keyframes exitOrbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-10px, 15px) scale(1.08); }
}
@keyframes exitOrbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(12px, -10px) scale(1.1); }
}

/* -------------------------------------------------
   Close Button
   ------------------------------------------------- */
.exit-popup__close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--exit-white-08);
  border-radius: var(--exit-radius-full);
  background: var(--exit-white-05);
  color: var(--exit-white-50);
  cursor: pointer;
  transition: all 0.25s var(--exit-ease-out-quart);
  padding: 0;
}
.exit-popup__close:hover,
.exit-popup__close:focus-visible {
  background: var(--exit-white-15);
  color: var(--exit-white);
  border-color: var(--exit-white-30);
  transform: rotate(90deg);
}
.exit-popup__close:focus-visible {
  outline: 2px solid var(--exit-gold-400);
  outline-offset: 2px;
}
.exit-popup__close svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.5;
}

/* -------------------------------------------------
   Inner Content
   ------------------------------------------------- */
.exit-popup__inner {
  position: relative;
  z-index: 2;
  padding: 40px 36px 32px;
}

/* -------------------------------------------------
   Header Badge (Hourglass)
   ------------------------------------------------- */
.exit-popup__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--exit-radius-full);
  background: var(--exit-warning-bg);
  border: 1px solid var(--exit-warning-border);
  font-family: var(--exit-font);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--exit-gold-400);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.exit-popup__badge-icon {
  font-size: 14px;
  line-height: 1;
}

/* -------------------------------------------------
   Headline
   ------------------------------------------------- */
.exit-popup__headline {
  font-family: var(--exit-font);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--exit-white);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.exit-popup__headline-highlight {
  background: linear-gradient(135deg, var(--exit-gold-300), var(--exit-gold-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* -------------------------------------------------
   Subtitle
   ------------------------------------------------- */
.exit-popup__subtitle {
  font-family: var(--exit-font);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--exit-white-70);
  margin: 0 0 28px;
}

/* -------------------------------------------------
   Feature Cards Grid
   ------------------------------------------------- */
.exit-popup__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 24px;
  list-style: none;
  padding: 0;
}

.exit-popup__feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  border-radius: var(--exit-radius-md);
  background: linear-gradient(
    135deg,
    var(--exit-white-05) 0%,
    var(--exit-white-03) 100%
  );
  border: 1px solid var(--exit-white-08);
  transition: all 0.3s var(--exit-ease-out-quart);
}
.exit-popup__feature:hover {
  background: var(--exit-white-08);
  border-color: rgba(243, 186, 47, 0.15);
  transform: translateY(-1px);
}

.exit-popup__feature-icon {
  flex-shrink: 0;
  font-size: 20px;
  line-height: 1;
  margin-top: 1px;
}

.exit-popup__feature-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.exit-popup__feature-title {
  font-family: var(--exit-font);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--exit-white-90);
  line-height: 1.3;
}

.exit-popup__feature-desc {
  font-family: var(--exit-font);
  font-size: 11px;
  font-weight: 400;
  color: var(--exit-white-50);
  line-height: 1.4;
}

/* Feature card stagger animation */
.exit-popup-overlay--active .exit-popup__feature {
  animation: exitFeatureIn 0.5s var(--exit-ease-out-expo) both;
}
.exit-popup-overlay--active .exit-popup__feature:nth-child(1) { animation-delay: 0.15s; }
.exit-popup-overlay--active .exit-popup__feature:nth-child(2) { animation-delay: 0.22s; }
.exit-popup-overlay--active .exit-popup__feature:nth-child(3) { animation-delay: 0.29s; }
.exit-popup-overlay--active .exit-popup__feature:nth-child(4) { animation-delay: 0.36s; }
.exit-popup-overlay--active .exit-popup__feature:nth-child(5) { animation-delay: 0.43s; }

@keyframes exitFeatureIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -------------------------------------------------
   Warning / Disclaimer Box
   ------------------------------------------------- */
.exit-popup__warning {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--exit-radius-md);
  background: var(--exit-warning-bg);
  border: 1px solid var(--exit-warning-border);
  margin-bottom: 24px;
}
.exit-popup__warning-icon {
  flex-shrink: 0;
  font-size: 16px;
  line-height: 1;
  margin-top: 2px;
}
.exit-popup__warning-text {
  font-family: var(--exit-font);
  font-size: 11.5px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--exit-gold-300);
  opacity: 0.85;
}

/* -------------------------------------------------
   Action Buttons
   ------------------------------------------------- */
.exit-popup__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

/* Primary CTA */
.exit-popup__btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px 24px;
  border: none;
  border-radius: var(--exit-radius-md);
  font-family: var(--exit-font);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--exit-dark-900);
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;

  /* Gold gradient */
  background: linear-gradient(
    135deg,
    var(--exit-gold-300) 0%,
    var(--exit-gold-400) 40%,
    var(--exit-gold-500) 100%
  );

  /* Shadow */
  box-shadow: 0 4px 20px rgba(243, 186, 47, 0.3),
              0 1px 3px rgba(0, 0, 0, 0.2),
              inset 0 1px 0 rgba(255, 255, 255, 0.25);

  transition: all 0.3s var(--exit-ease-out-quart);
}
.exit-popup__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(243, 186, 47, 0.4),
              0 2px 6px rgba(0, 0, 0, 0.3),
              inset 0 1px 0 rgba(255, 255, 255, 0.3);
  filter: brightness(1.08);
}
.exit-popup__btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(243, 186, 47, 0.25);
}
.exit-popup__btn-primary:focus-visible {
  outline: 2px solid var(--exit-gold-300);
  outline-offset: 3px;
}

/* Animated shine sweep on primary button */
.exit-popup__btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 60%
  );
  transform: translateX(-100%);
  transition: none;
}
.exit-popup-overlay--active .exit-popup__btn-primary::after {
  animation: exitBtnShine 2.5s var(--exit-ease-out-expo) 0.8s;
}
@keyframes exitBtnShine {
  to { transform: translateX(100%); }
}

.exit-popup__btn-primary svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Secondary CTA */
.exit-popup__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 13px 24px;
  border: 1px solid var(--exit-white-08);
  border-radius: var(--exit-radius-md);
  background: transparent;
  font-family: var(--exit-font);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--exit-white-50);
  cursor: pointer;
  transition: all 0.25s var(--exit-ease-out-quart);
  text-decoration: none;
}
.exit-popup__btn-secondary:hover {
  background: var(--exit-white-05);
  border-color: var(--exit-white-15);
  color: var(--exit-white-70);
}
.exit-popup__btn-secondary:focus-visible {
  outline: 2px solid var(--exit-gold-400);
  outline-offset: 2px;
}

/* -------------------------------------------------
   Microcopy
   ------------------------------------------------- */
.exit-popup__microcopy {
  font-family: var(--exit-font);
  font-size: 11.5px;
  font-weight: 400;
  color: var(--exit-white-30);
  text-align: center;
  margin: 0;
  letter-spacing: 0.01em;
}

/* -------------------------------------------------
   Divider
   ------------------------------------------------- */
.exit-popup__divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--exit-white-08) 20%,
    var(--exit-white-15) 50%,
    var(--exit-white-08) 80%,
    transparent 100%
  );
  margin: 0 0 24px;
  border: none;
}

/* -------------------------------------------------
   Top Gold Glow Line (decorative)
   ------------------------------------------------- */
.exit-popup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--exit-gold-400) 30%,
    var(--exit-gold-300) 50%,
    var(--exit-gold-400) 70%,
    transparent 100%
  );
  opacity: 0.5;
  border-radius: var(--exit-radius-full);
}

/* Additional glow bloom */
.exit-popup::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 40px;
  background: radial-gradient(
    ellipse at center top,
    rgba(243, 186, 47, 0.08) 0%,
    transparent 100%
  );
  pointer-events: none;
}

/* -------------------------------------------------
   Responsive — Tablet & Mobile
   ------------------------------------------------- */
@media (max-width: 640px) {
  .exit-popup-overlay {
    padding: 12px;
    align-items: flex-end;
  }

  .exit-popup {
    max-width: 100%;
    max-height: 92vh;
    border-radius: var(--exit-radius-xl) var(--exit-radius-xl) 0 0;
  }

  .exit-popup__inner {
    padding: 32px 24px 24px;
  }

  .exit-popup__headline {
    font-size: 22px;
  }

  .exit-popup__subtitle {
    font-size: 13px;
  }

  .exit-popup__features {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .exit-popup__feature {
    padding: 12px;
  }

  .exit-popup__btn-primary {
    padding: 14px 20px;
    font-size: 14px;
  }

  .exit-popup__btn-secondary {
    padding: 12px 20px;
    font-size: 13px;
  }

  .exit-popup__orb--1 {
    width: 140px;
    height: 140px;
    top: -30px;
    right: -20px;
  }
  .exit-popup__orb--2 {
    width: 100px;
    height: 100px;
    bottom: -20px;
    left: -15px;
  }
}

@media (max-width: 380px) {
  .exit-popup__inner {
    padding: 28px 18px 20px;
  }

  .exit-popup__headline {
    font-size: 20px;
  }
}

/* -------------------------------------------------
   Reduced Motion
   ------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .exit-popup-overlay {
    transition-duration: 0.01ms;
  }
  .exit-popup {
    transition-duration: 0.01ms;
    transform: none;
  }
  .exit-popup-overlay--active .exit-popup {
    transform: none;
  }
  .exit-popup__orb--1,
  .exit-popup__orb--2 {
    animation: none;
  }
  .exit-popup-overlay--active .exit-popup__feature {
    animation: none;
  }
  .exit-popup-overlay--active .exit-popup__btn-primary::after {
    animation: none;
  }
  .exit-popup__close:hover,
  .exit-popup__close:focus-visible {
    transform: none;
  }
  .exit-popup__feature:hover {
    transform: none;
  }
  .exit-popup__btn-primary:hover {
    transform: none;
  }
}