/* ========================================
   HOW TO USE COSMETICS PAGE
   ======================================== */

/* ────────── Global ────────── */
.howtouse-main {
  background: #FFFFFF;
  padding: 0;
}

/* ────────── Hero Section ────────── */
.howtouse-hero {
  background: #000000;
  padding: 60px 20px;
  text-align: center;
}

.howtouse-hero-content {
  max-width: 1000px;
  margin: 0 auto;
}

.howtouse-hero-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #43BDAB;
  margin-bottom: 20px;
}

.howtouse-hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  color: #FFFFFF;
  margin-bottom: 30px;
}

.howtouse-hero-title span {
  display: block;
  font-size: 72px;
  background: linear-gradient(135deg, #43BDAB 0%, #FFFFFF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.howtouse-hero-description {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  max-width: 800px;
  margin: 0 auto;
}

.howtouse-hero-description strong {
  color: #43BDAB;
  font-weight: 600;
}

/* ────────── Phase Sections ────────── */
.howtouse-phase {
  padding: 80px 20px;
  border-bottom: 1px solid #e8e8e8;
}

.howtouse-phase:last-of-type {
  border-bottom: none;
}

/* Phase Header */
.howtouse-phase-header {
  text-align: center;
  margin-bottom: 60px;
}

.howtouse-phase-badge {
  display: inline-block;
  background: linear-gradient(135deg, #43BDAB 0%, #2a9d8f 100%);
  color: #FFFFFF;
  padding: 8px 24px;
  border-radius: 30px;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 15px;
}

.howtouse-phase-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 42px;
  font-weight: 700;
  color: #000000;
  margin: 0;
}

.howtouse-phase-header p {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  color: #666666;
  margin: 8px 0 0 0;
}

/* ────────── Products Grid ────────── */
.howtouse-products {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.howtouse-products-3col {
  grid-template-columns: repeat(3, 1fr);
}

/* ────────── Product Card ────────── */
.howtouse-product {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 45px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 2px solid rgba(67, 189, 171, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.howtouse-product:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(67, 189, 171, 0.2);
  border-color: #43BDAB;
}

/* Product Header (Desktop: Column layout) */
.howtouse-product-header {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 20px;
}

.howtouse-product-header img {
  width: 100%;
  height: 250px;
  object-fit: contain;
  border-radius: 12px;
}

.howtouse-product-header h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: #000000;
  margin: 0;
}

/* Number Badge */
.howtouse-number {
  position: absolute;
  top: -20px;
  right: 40px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #43BDAB 0%, #2a9d8f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(67, 189, 171, 0.4);
}

/* Product Content (Desktop: Always visible) */
.howtouse-product-content {
  transition: all 0.3s ease;
}

.howtouse-product-content p {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #666666;
  margin-bottom: 25px;
}

.howtouse-product-content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 25px 0;
}

.howtouse-product-content li {
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  color: #444444;
  margin-bottom: 12px;
  padding-left: 30px;
  position: relative;
  line-height: 1.6;
}

.howtouse-product-content li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: #43BDAB;
  font-weight: 700;
  font-size: 18px;
}

.howtouse-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(67, 189, 171, 0.1);
  padding: 12px 24px;
  border-radius: 20px;
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #43BDAB;
  text-decoration: none;
  transition: all 0.3s ease;
}

.howtouse-product:hover .howtouse-cta {
  background: #43BDAB;
  color: #FFFFFF;
  transform: translateX(5px);
}

/* ────────── Aftercare Tips (Phase 5) ────────── */
.howtouse-tips {
  background: #000000;
  border-radius: 24px;
  padding: 60px;
  margin-top: 80px;
}

.howtouse-tips h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 42px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 15px;
  text-align: center;
}

.howtouse-tips > p {
  font-family: 'Montserrat', sans-serif;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  margin: 0 0 50px 0;
}

.howtouse-tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.howtouse-tip {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 30px;
  border: 1px solid rgba(67, 189, 171, 0.2);
  transition: all 0.3s ease;
}

.howtouse-tip:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #43BDAB;
  transform: translateY(-5px);
}

.howtouse-tip h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 12px 0;
}

.howtouse-tip p {
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

/* ────────── Mobile (Accordion) ────────── */
@media (max-width: 968px) {
  .howtouse-hero {
    padding: 40px 20px;
  }
  
  .howtouse-hero-title {
    font-size: 30px;
  }
  
  .howtouse-hero-title span {
    font-size: 48px;
  }
  
  .howtouse-hero-description {
    font-size: 14px;
  }
  
  .howtouse-phase {
    padding: 60px 20px;
  }
  
  .howtouse-phase-header h2 {
    font-size: 32px;
  }
  
  .howtouse-products,
  .howtouse-products-3col {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .howtouse-product {
    padding: 20px;
  }
  
  /* Mobile: Horizontal layout (Image - Title - Arrow - Number) */
  .howtouse-product-header {
    flex-direction: row;
    align-items: center;
    gap: 15px;
    margin-bottom: 0;
    cursor: pointer;
    padding: 10px;
    border-radius: 12px;
    transition: background 0.3s ease;
  }
  
  .howtouse-product-header:hover {
    background: rgba(67, 189, 171, 0.05);
  }
  
  .howtouse-product-header img {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
  }
  
  .howtouse-product-header h3 {
    font-size: 20px;
    flex: 1;
  }
  
  /* Arrow indicator */
  .howtouse-product-header::after {
    content: '▼';
    font-size: 20px;
    color: #43BDAB;
    transition: transform 0.3s ease;
    flex-shrink: 0;
  }
  
  .howtouse-product-header.active::after {
    transform: rotate(180deg);
  }
  
  /* Number repositioned */
  .howtouse-number {
    position: static;
    width: 40px;
    height: 40px;
    font-size: 18px;
    flex-shrink: 0;
  }
  
  /* Content: Collapsible */
  .howtouse-product-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding: 0;
  }
  
  .howtouse-product-content.active {
    max-height: 1000px;
    opacity: 1;
    padding: 20px 0 0 0;
  }
  
  /* Tips Grid */
  .howtouse-tips {
    padding: 40px 25px;
  }
  
  .howtouse-tips h3 {
    font-size: 32px;
  }
  
  .howtouse-tips-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 640px) {
  .howtouse-hero-title {
    font-size: 28px;
  }
  
  .howtouse-hero-title span {
    font-size: 40px;
  }
  
  .howtouse-phase-header h2 {
    font-size: 28px;
  }
  
  .howtouse-product-header img {
    width: 70px;
    height: 70px;
  }
  
  .howtouse-product-header h3 {
    font-size: 18px;
  }
  
  .howtouse-number {
    width: 35px;
    height: 35px;
    font-size: 16px;
  }
  
  .howtouse-tips h3 {
    font-size: 28px;
  }
}