/* ========== ZERO EXPERIENCE SECTION ========== */

.zero-section {
  position: relative;
  width: 100%;
  padding: 100px 48px;
  overflow: hidden;
}

.zero-section:not(.dark-mode) {
  background: linear-gradient(160deg, oklch(98% 0.015 80) 0%, oklch(96% 0.02 78) 100%);
}

.zero-section.dark-mode {
  background: linear-gradient(160deg, oklch(16% 0.03 58) 0%, oklch(12% 0.025 55) 100%);
}

.zero-container {
  max-width: 1280px;
  margin: 0 auto;
}

/* HEADER */
.zero-header {
  text-align: center;
  margin-bottom: 70px;
}

.zero-badge {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: 'Lato';
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: white;
  box-shadow: 0 8px 20px oklch(72% 0.11 75 / 0.3);
  animation: fadeUp 0.5s ease 0.1s both;
}

.zero-title {
  font-family: 'Playfair Display';
  font-weight: 700;
  font-size: clamp(42px, 4.5vw, 58px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  animation: fadeUp 0.6s ease 0.2s both;
}

.zero-section:not(.dark-mode) .zero-title {
  color: var(--espresso);
}

.zero-section.dark-mode .zero-title {
  color: oklch(96% 0.015 80);
}

.zero-subtitle {
  font-family: 'Lato';
  font-weight: 300;
  font-size: 20px;
  line-height: 1.6;
  max-width: 700px;
  margin: 0 auto;
  animation: fadeUp 0.6s ease 0.3s both;
}

.zero-section:not(.dark-mode) .zero-subtitle {
  color: oklch(20% 0.02 60);
}

.zero-section.dark-mode .zero-subtitle {
  color: oklch(82% 0.02 78);
}

/* PROGRESS BAR VISUAL */
.zero-progress-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 80px;
  padding: 48px;
  border-radius: 20px;
  animation: fadeUp 0.6s ease 0.4s both;
}

.zero-section:not(.dark-mode) .zero-progress-wrapper {
  background: oklch(97% 0.015 80);
  box-shadow: 0 12px 40px oklch(20% 0.04 60 / 0.1);
}

.zero-section.dark-mode .zero-progress-wrapper {
  background: oklch(18% 0.035 58 / 0.5);
  box-shadow: 0 12px 40px oklch(0% 0 0 / 0.3);
}

.zero-progress-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.zero-progress-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.3s ease;
}

.zero-progress-circle::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.zero-progress-item:hover .zero-progress-circle::before {
  opacity: 1;
}

.zero-progress-circle.zero-start {
  background: linear-gradient(135deg, oklch(85% 0.05 70), oklch(90% 0.04 75));
  box-shadow: 0 8px 24px oklch(85% 0.05 70 / 0.3);
}

.zero-progress-circle.zero-learning {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  box-shadow: 0 8px 24px oklch(72% 0.11 75 / 0.35);
}

.zero-progress-circle.zero-complete {
  background: linear-gradient(135deg, oklch(55% 0.15 145), oklch(65% 0.13 150));
  box-shadow: 0 8px 24px oklch(55% 0.15 145 / 0.35);
}

.zero-progress-number {
  font-family: 'Playfair Display';
  font-weight: 700;
  font-size: 32px;
  color: white;
  text-shadow: 0 2px 8px oklch(0% 0 0 / 0.2);
}

.zero-progress-label {
  font-family: 'Lato';
  font-weight: 600;
  font-size: 16px;
  text-align: center;
  max-width: 140px;
}

.zero-section:not(.dark-mode) .zero-progress-label {
  color: oklch(20% 0.02 60);
}

.zero-section.dark-mode .zero-progress-label {
  color: oklch(85% 0.025 78);
}

/* PROGRESS ARROWS */
.zero-progress-arrow {
  display: flex;
  align-items: center;
  gap: 0;
  color: var(--gold);
}

.zero-arrow-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold));
  border-radius: 4px;
}

.zero-arrow-head {
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
  0%, 100% {
    transform: translateX(0);
    opacity: 1;
  }
  50% {
    transform: translateX(8px);
    opacity: 0.7;
  }
}

/* FEATURES GRID */
.zero-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.zero-feature-card {
  text-align: center;
  padding: 32px 24px;
  border-radius: 16px;
  transition: all 0.3s ease;
}

.zero-section:not(.dark-mode) .zero-feature-card {
  background: oklch(97% 0.015 80);
  box-shadow: 0 8px 24px oklch(20% 0.04 60 / 0.08);
}

.zero-section.dark-mode .zero-feature-card {
  background: oklch(18% 0.035 58 / 0.5);
  box-shadow: 0 8px 24px oklch(0% 0 0 / 0.25);
}

.zero-feature-card:nth-child(1) {
  animation: fadeUp 0.6s ease 0.5s both;
}

.zero-feature-card:nth-child(2) {
  animation: fadeUp 0.6s ease 0.6s both;
}

.zero-feature-card:nth-child(3) {
  animation: fadeUp 0.6s ease 0.7s both;
}

.zero-feature-card:nth-child(4) {
  animation: fadeUp 0.6s ease 0.8s both;
}

.zero-feature-card:hover {
  transform: translateY(-8px);
}

.zero-section:not(.dark-mode) .zero-feature-card:hover {
  box-shadow: 0 16px 40px oklch(20% 0.04 60 / 0.15);
  background: oklch(98% 0.015 80);
}

.zero-section.dark-mode .zero-feature-card:hover {
  box-shadow: 0 16px 40px oklch(0% 0 0 / 0.35);
  background: oklch(18% 0.035 58 / 0.7);
}

.zero-feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

.zero-feature-title {
  font-family: 'Playfair Display';
  font-weight: 600;
  font-size: 22px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.zero-section:not(.dark-mode) .zero-feature-title {
  color: var(--espresso);
}

.zero-section.dark-mode .zero-feature-title {
  color: oklch(95% 0.02 78);
}

.zero-feature-description {
  font-family: 'Lato';
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
}

.zero-section:not(.dark-mode) .zero-feature-description {
  color: oklch(20% 0.02 60);
}

.zero-section.dark-mode .zero-feature-description {
  color: oklch(80% 0.025 78);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .zero-section {
    padding: 80px 32px;
  }

  .zero-header {
    margin-bottom: 60px;
  }

  .zero-features {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .zero-progress-wrapper {
    gap: 24px;
    padding: 40px;
    margin-bottom: 60px;
  }

  .zero-progress-circle {
    width: 100px;
    height: 100px;
  }

  .zero-progress-number {
    font-size: 28px;
  }

  .zero-arrow-line {
    width: 40px;
  }

  .zero-arrow-head {
    font-size: 28px;
  }
}

@media (max-width: 768px) {
  .zero-section {
    padding: 70px 24px;
  }

  .zero-header {
    margin-bottom: 50px;
  }

  .zero-title {
    font-size: clamp(32px, 8vw, 42px);
    margin-bottom: 20px;
  }

  .zero-subtitle {
    font-size: 17px;
  }

  .zero-badge {
    font-size: 12px;
    padding: 10px 24px;
    margin-bottom: 24px;
  }

  .zero-progress-wrapper {
    flex-direction: column;
    gap: 32px;
    padding: 32px 20px;
    margin-bottom: 50px;
  }

  .zero-progress-arrow {
    transform: rotate(90deg);
  }

  .zero-arrow-line {
    width: 50px;
  }

  .zero-progress-circle {
    width: 110px;
    height: 110px;
  }

  .zero-progress-number {
    font-size: 30px;
  }

  .zero-progress-label {
    font-size: 15px;
  }

  .zero-features {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .zero-feature-card {
    padding: 24px 16px;
  }

  .zero-feature-icon {
    font-size: 36px;
    margin-bottom: 12px;
  }

  .zero-feature-title {
    font-size: 18px;
    margin-bottom: 8px;
  }

  .zero-feature-description {
    font-size: 14px;
  }
}