/* ═══════════════════════════════════════════════════════════════
   Liquid Glass Architecture - Pricing Section
   Distinctive, production-grade pricing interface
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Brand colors from existing theme */
  --liquid-primary: #1696e7;
  --liquid-electric: #00d4ff;
  --liquid-dark-blue: #0c58b7;
  --liquid-midnight: #0a1628;

  /* Extended palette for liquid effects */
  --liquid-bg-start: #f0f4f8;
  --liquid-bg-end: #dce6f0;
  --liquid-glass: rgba(255, 255, 255, 0.7);
  --liquid-glass-hover: rgba(255, 255, 255, 0.85);
  --liquid-border: rgba(255, 255, 255, 0.9);
  --liquid-text-dark: #0f1923;
  --liquid-text-gray: #5a6c7d;
  --liquid-text-light: #8b98a5;

  /* Featured card (Growth) */
  --liquid-featured-bg-start: #0a1628;
  --liquid-featured-bg-end: #1a3a5c;
  --liquid-featured-glow: rgba(0, 212, 255, 0.4);

  /* Gold accent for badge */
  --liquid-gold: #fbbf24;
  --liquid-gold-light: #fde68a;
}

/* ═══════════════════════════════════════════════════════════════
   Section Container
   ═══════════════════════════════════════════════════════════════ */

.liquid-pricing-section {
  position: relative;
  padding: 140px 0 120px;
  background: linear-gradient(170deg, var(--liquid-bg-start) 0%, var(--liquid-bg-end) 100%);
  overflow: hidden;
}

/* Animated liquid orbs background */
.liquid-bg-orbs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.liquid-bg-orbs::before,
.liquid-bg-orbs::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: 0.6;
  filter: blur(80px);
  animation: liquidFloat 25s ease-in-out infinite;
}

.liquid-bg-orbs::before {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(22, 150, 231, 0.15), transparent 70%);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.liquid-bg-orbs::after {
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1), transparent 70%);
  bottom: -300px;
  left: -200px;
  animation-delay: -12s;
  animation-duration: 30s;
}

@keyframes liquidFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(50px, -80px) scale(1.1);
  }
  66% {
    transform: translate(-30px, 60px) scale(0.9);
  }
}

/* ═══════════════════════════════════════════════════════════════
   Header
   ═══════════════════════════════════════════════════════════════ */

.liquid-pricing-header {
  text-align: center;
  margin-bottom: 80px;
  position: relative;
  z-index: 2;
}

.liquid-eyebrow {
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 5px;
  text-transform: uppercase;
  background: linear-gradient(120deg, var(--liquid-primary), var(--liquid-electric));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  margin-bottom: 24px;
  position: relative;
  animation: slideDown 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.liquid-headline {
  font-family: 'Outfit', sans-serif;
  font-size: 64px;
  font-weight: 900;
  color: var(--liquid-text-dark);
  margin: 0 0 20px 0;
  line-height: 1.1;
  letter-spacing: -2px;
  animation: slideDown 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s backwards;
}

.liquid-subhead {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 20px;
  font-weight: 500;
  color: var(--liquid-text-gray);
  margin: 0;
  line-height: 1.6;
  animation: slideDown 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s backwards;
}

@keyframes slideDown {
  0% {
    opacity: 0;
    transform: translateY(-30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ═══════════════════════════════════════════════════════════════
   Pricing Grid
   ═══════════════════════════════════════════════════════════════ */

.liquid-pricing-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 28px;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* ═══════════════════════════════════════════════════════════════
   Pricing Cards
   ═══════════════════════════════════════════════════════════════ */

.liquid-card {
  position: relative;
  border-radius: 28px;
  padding: 48px 36px;
  background: var(--liquid-glass);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 2px solid var(--liquid-border);
  display: flex;
  flex-direction: column;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow:
    0 8px 32px rgba(22, 150, 231, 0.08),
    0 2px 8px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  opacity: 0;
  animation: cardReveal 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.liquid-card[data-card="1"] { animation-delay: 0.3s; }
.liquid-card[data-card="2"] { animation-delay: 0.4s; }
.liquid-card[data-card="3"] { animation-delay: 0.5s; }
.liquid-card[data-card="4"] { animation-delay: 0.6s; }
.liquid-card[data-card="5"] { animation-delay: 0.7s; }

@keyframes cardReveal {
  0% {
    opacity: 0;
    transform: translateY(50px) scale(0.95);
    filter: blur(10px);
  }
  60% {
    transform: translateY(-10px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

/* Card glow effect */
.liquid-card-glow {
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 28px;
  background: linear-gradient(135deg,
    var(--liquid-electric),
    var(--liquid-primary),
    var(--liquid-electric));
  opacity: 0;
  z-index: -1;
  transition: opacity 0.5s ease;
  filter: blur(12px);
}

.liquid-card:hover .liquid-card-glow {
  opacity: 0.5;
  animation: liquidPulse 3s ease-in-out infinite;
}

@keyframes liquidPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.7; }
}

.liquid-card:hover {
  transform: translateY(-12px) scale(1.02);
  background: var(--liquid-glass-hover);
  border-color: var(--liquid-electric);
  box-shadow:
    0 20px 60px rgba(0, 212, 255, 0.25),
    0 8px 24px rgba(22, 150, 231, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 0 0 1px var(--liquid-electric);
}

/* Featured card (Growth) - Dark with neon accents */
.liquid-card-featured {
  background: linear-gradient(145deg,
    var(--liquid-featured-bg-start) 0%,
    var(--liquid-featured-bg-end) 100%);
  border-color: var(--liquid-electric);
  transform: scale(1.05);
  box-shadow:
    0 16px 48px rgba(0, 212, 255, 0.3),
    0 8px 24px rgba(22, 150, 231, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.15),
    0 0 0 2px rgba(0, 212, 255, 0.4);
}

.liquid-card-featured .liquid-card-glow {
  opacity: 0.6;
  background: linear-gradient(135deg,
    var(--liquid-electric),
    var(--liquid-gold),
    var(--liquid-electric));
  animation: liquidPulse 3s ease-in-out infinite;
}

.liquid-card-featured:hover {
  transform: translateY(-16px) scale(1.05);
  box-shadow:
    0 24px 72px rgba(0, 212, 255, 0.4),
    0 12px 32px rgba(22, 150, 231, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 0 0 2px var(--liquid-electric),
    0 0 60px rgba(0, 212, 255, 0.5);
}

/* Popular pill badge */
.liquid-popular-pill {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, var(--liquid-gold), var(--liquid-gold-light));
  color: var(--liquid-midnight);
  font-family: 'Outfit', sans-serif;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 20px;
  box-shadow:
    0 4px 16px rgba(251, 191, 36, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% {
    transform: scale(1);
    box-shadow:
      0 4px 16px rgba(251, 191, 36, 0.6),
      inset 0 1px 0 rgba(255, 255, 255, 0.5);
  }
  50% {
    transform: scale(1.05);
    box-shadow:
      0 6px 24px rgba(251, 191, 36, 0.8),
      inset 0 1px 0 rgba(255, 255, 255, 0.6),
      0 0 30px rgba(251, 191, 36, 0.5);
  }
}

/* ═══════════════════════════════════════════════════════════════
   Card Content
   ═══════════════════════════════════════════════════════════════ */

.liquid-card-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.liquid-card-top {
  margin-bottom: 24px;
}

.liquid-plan-name {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--liquid-text-dark);
  margin: 0 0 12px 0;
  letter-spacing: -0.5px;
  transition: color 0.3s ease;
}

.liquid-card-featured .liquid-plan-name {
  color: #ffffff;
}

.liquid-student-badge {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--liquid-primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 14px;
  background: rgba(22, 150, 231, 0.1);
  border: 1px solid rgba(22, 150, 231, 0.25);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.liquid-card-featured .liquid-student-badge {
  color: var(--liquid-electric);
  background: rgba(0, 212, 255, 0.15);
  border-color: rgba(0, 212, 255, 0.35);
}

/* Price Display */
.liquid-price-display {
  display: flex;
  align-items: baseline;
  justify-content: flex-start;
  margin: 28px 0 16px 0;
}

.liquid-currency {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--liquid-text-gray);
  margin-right: 4px;
  align-self: flex-start;
  margin-top: 8px;
}

.liquid-amount {
  font-family: 'Outfit', sans-serif;
  font-size: 72px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--liquid-text-dark) 0%, var(--liquid-dark-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  letter-spacing: -3px;
  transition: all 0.3s ease;
}

.liquid-card-featured .liquid-amount {
  background: linear-gradient(135deg, #ffffff 0%, var(--liquid-electric) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.liquid-amount-custom {
  font-family: 'Outfit', sans-serif;
  font-size: 48px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--liquid-primary) 0%, var(--liquid-electric) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  letter-spacing: -1px;
}

.liquid-period {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--liquid-text-light);
  margin-left: 6px;
  align-self: flex-end;
  margin-bottom: 12px;
}

.liquid-card-featured .liquid-period {
  color: rgba(255, 255, 255, 0.6);
}

.liquid-plan-desc {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--liquid-text-gray);
  margin: 0 0 24px 0;
}

.liquid-card-featured .liquid-plan-desc {
  color: rgba(255, 255, 255, 0.7);
}

/* Divider */
.liquid-divider {
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(22, 150, 231, 0.2),
    transparent);
  margin: 0 0 32px 0;
}

.liquid-card-featured .liquid-divider {
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent);
}

/* Features List */
.liquid-features {
  list-style: none;
  padding: 0;
  margin: 0 0 36px 0;
  flex-grow: 1;
}

.liquid-features li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--liquid-text-dark);
  transition: all 0.3s ease;
}

.liquid-card-featured .liquid-features li {
  color: rgba(255, 255, 255, 0.9);
}

.liquid-features li:hover {
  padding-left: 8px;
  color: var(--liquid-primary);
}

.liquid-card-featured .liquid-features li:hover {
  color: var(--liquid-electric);
}

.liquid-check {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--liquid-primary);
  filter: drop-shadow(0 2px 4px rgba(22, 150, 231, 0.3));
  animation: checkBounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.liquid-card-featured .liquid-check {
  color: var(--liquid-electric);
  filter: drop-shadow(0 2px 6px rgba(0, 212, 255, 0.6));
}

@keyframes checkBounce {
  0% {
    transform: scale(0) rotate(-45deg);
    opacity: 0;
  }
  60% {
    transform: scale(1.15) rotate(5deg);
  }
  100% {
    transform: scale(1) rotate(0);
    opacity: 1;
  }
}

/* ═══════════════════════════════════════════════════════════════
   CTA Button
   ═══════════════════════════════════════════════════════════════ */

.liquid-cta {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-align: center;
  text-decoration: none;
  color: #ffffff;
  background: linear-gradient(135deg, var(--liquid-primary) 0%, var(--liquid-dark-blue) 100%);
  border: none;
  padding: 16px 32px;
  border-radius: 14px;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  box-shadow:
    0 6px 20px rgba(22, 150, 231, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.liquid-cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.liquid-cta:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow:
    0 12px 36px rgba(22, 150, 231, 0.5),
    0 4px 12px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.liquid-cta:hover::before {
  width: 400px;
  height: 400px;
}

.liquid-cta:active {
  transform: translateY(-2px) scale(1);
}

/* Featured card CTA */
.liquid-card-featured .liquid-cta {
  background: linear-gradient(135deg, var(--liquid-electric) 0%, var(--liquid-primary) 100%);
  box-shadow:
    0 6px 24px rgba(0, 212, 255, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.2);
}

.liquid-card-featured .liquid-cta:hover {
  box-shadow:
    0 12px 40px rgba(0, 212, 255, 0.6),
    0 4px 16px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    0 0 40px rgba(0, 212, 255, 0.5);
}

/* Outline variant for Enterprise */
.liquid-cta-outline {
  background: transparent;
  color: var(--liquid-primary);
  border: 2px solid var(--liquid-primary);
  box-shadow: none;
}

.liquid-cta-outline:hover {
  background: var(--liquid-primary);
  color: #ffffff;
  border-color: var(--liquid-primary);
}

/* ═══════════════════════════════════════════════════════════════
   Responsive Design
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 1400px) {
  .liquid-pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .liquid-card[data-card="4"],
  .liquid-card[data-card="5"] {
    grid-column: span 1;
  }
}

@media (max-width: 992px) {
  .liquid-headline {
    font-size: 48px;
  }

  .liquid-pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .liquid-card-featured {
    transform: scale(1);
  }

  .liquid-card-featured:hover {
    transform: translateY(-12px) scale(1);
  }
}

@media (max-width: 768px) {
  .liquid-pricing-section {
    padding: 100px 0 80px;
  }

  .liquid-headline {
    font-size: 36px;
  }

  .liquid-subhead {
    font-size: 18px;
  }

  .liquid-pricing-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .liquid-card {
    padding: 36px 28px;
  }

  .liquid-amount {
    font-size: 56px;
  }

  .liquid-amount-custom {
    font-size: 36px;
  }

  .liquid-popular-pill {
    top: 16px;
    right: 16px;
    font-size: 10px;
    padding: 6px 14px;
  }
}

@media (max-width: 576px) {
  .liquid-pricing-section {
    padding: 80px 0 60px;
  }

  .liquid-headline {
    font-size: 28px;
    letter-spacing: -1px;
  }

  .liquid-subhead {
    font-size: 16px;
  }

  .liquid-card {
    padding: 32px 24px;
  }

  .liquid-amount {
    font-size: 48px;
    letter-spacing: -2px;
  }

  .liquid-plan-name {
    font-size: 24px;
  }
}