/* ========================================
   Life Emergence - Index Page Styles
   ======================================== */

/* ---- Hero Section ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 64px;
  background: linear-gradient(135deg, #f5f5f7 0%, #e8f0fe 50%, #f0f5ff 100%);
}

.hero__bg-gradient {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(
      circle at 30% 40%,
      rgba(0, 122, 255, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 70% 60%,
      rgba(52, 199, 89, 0.06) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 50% 80%,
      rgba(255, 149, 0, 0.04) 0%,
      transparent 50%
    );
  animation: gradientMove 20s ease infinite;
  pointer-events: none;
}

@keyframes gradientMove {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(2%, -2%) rotate(1deg);
  }
  66% {
    transform: translate(-1%, 1%) rotate(-1deg);
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 1000px;
  padding: var(--spacing-xl) var(--spacing-md);
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(0, 122, 255, 0.08);
  color: var(--apple-blue);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: var(--spacing-md);
  border: 0.5px solid rgba(0, 122, 255, 0.15);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  word-break: keep-all;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--gray-1) 0%, var(--gray-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--gray-3);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__visual {
  position: relative;
  margin-top: var(--spacing-2xl);
  z-index: 1;
}

.hero__image-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-3xl);
  background: white;
  overflow: hidden;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.15),
    0 4px 16px rgba(0, 0, 0, 0.08);
  border: 0.5px solid rgba(255, 255, 255, 0.3);
}

.hero__image {
  width: 50px;
  height: auto;
  display: block;
  border-radius: var(--radius-3xl);
}

/* ---- Hero Search ---- */
.hero-search {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 370px;
  z-index: 10;
}

.hero-search__input {
  width: 100%;
  padding: 16px 20px;
  font-size: 1rem;
  font-family: var(--font-sf);
  border: none;
  border-radius: var(--radius-xl);
  background: white;
  box-shadow: none;
  color: var(--gray-1);
  outline: none !important;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border: none !important;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  backdrop-filter: blur(20px);
}

.hero-search__input::placeholder {
  color: var(--gray-4);
}

.hero-search__input:hover,
.hero-search__input:focus,
.hero-search__input:active {
  border: none !important;
  outline: none !important;
  box-shadow: none;
  transform: scale(1.02);
  background: white;
}

.hero-search__icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  pointer-events: none;
}

.hero-search__results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 8px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
  max-height: 400px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 100;
}

.hero-search__results.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.search-result-item {
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-7);
  cursor: pointer;
  transition: background 0.15s ease;
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-result-item:last-child {
  border-bottom: none;
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.search-result-item:first-child {
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.search-result-item:hover {
  background: var(--gray-8);
}

.search-result-item__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.search-result-item__content {
  flex: 1;
}

.search-result-item__title {
  font-weight: 600;
  color: var(--gray-1);
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.search-result-item__desc {
  font-size: 0.8rem;
  color: var(--gray-4);
  line-height: 1.4;
}

.search-result-item__tag {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(0, 122, 255, 0.1);
  color: var(--apple-blue);
  font-size: 0.7rem;
  border-radius: 4px;
  font-weight: 500;
}

.search-no-results {
  padding: 30px 20px;
  text-align: center;
  color: var(--gray-4);
}

.search-no-results__icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

/* ---- Features Section ---- */
.features {
  padding: var(--spacing-2xl) 0;
  background: white;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  border: var(--border-thin);
  background: white;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--apple-blue), var(--apple-green));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(0, 122, 255, 0.2);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(
    135deg,
    rgba(0, 122, 255, 0.08),
    rgba(52, 199, 89, 0.08)
  );
}

.feature-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--gray-1);
}

.feature-card__text {
  color: var(--gray-4);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---- Quote Section ---- */
.quote-section {
  padding: var(--spacing-2xl) 0;
  background: var(--gray-9);
  position: relative;
}

.quote-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(
      circle at 20% 50%,
      rgba(0, 122, 255, 0.03) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 50%,
      rgba(52, 199, 89, 0.03) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.quote {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

.quote__text {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--gray-1);
  line-height: 1.5;
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.quote__author {
  font-size: 0.95rem;
  color: var(--gray-4);
  font-weight: 500;
}

/* ---- CTA Section ---- */
.cta-section {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--apple-blue) 0%, #0056cc 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.cta {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: white;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.cta__text {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--spacing-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta__actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.cta .btn--primary {
  background: white;
  color: var(--apple-blue);
}

.cta .btn--primary:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.cta .btn--ghost {
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: var(--spacing-2xl);
  }

  .hero__title {
    font-size: 2.25rem;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }

  .hero__actions,
  .cta__actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 480px) {
  .hero__badge {
    font-size: 0.8rem;
    padding: 5px 12px;
  }

  .quote__text {
    font-size: 1.1rem;
  }
}