/* Hero Section */
.hero { padding: 60px 0 40px; text-align: center; }
.hero h1 { font-size: 36px; font-weight: 800; margin-bottom: 15px; color: #1e293b; letter-spacing: -0.5px; }
.subtitle { font-size: 16px; color: var(--text-muted); max-width: 650px; margin: 0 auto 30px; }

/* Converter Box */
.converter-box { background: var(--card-bg); padding: 20px; border-radius: 12px; box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05); max-width: 650px; margin: 0 auto 25px; border: 1px solid #e2e8f0; }
.input-group { display: flex; gap: 10px; }
.input-group input { flex: 1; padding: 14px 16px; border: 1px solid #cbd5e1; border-radius: 8px; font-size: 14px; outline: none; }
.input-group input:focus { border-color: var(--primary); }
.input-group button { background: var(--primary); color: #fff; border: none; padding: 0 24px; border-radius: 8px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.input-note { font-size: 12px; color: var(--text-muted); text-align: left; margin-top: 8px; }

/* Google Auth Button */
.auth-box { 
  width: 100%;                  /* Đảm bảo khung chiếm toàn bộ chiều ngang */
  display: flex; 
  flex-direction: column; 
  align-items: center;          /* Căn giữa nút .google-btn theo chiều ngang */
  gap: 8px; 
  margin: 20px auto 0 auto;     /* Căn giữa bản thân thẻ .auth-box ra chính giữa trang */
}

.google-btn { 
  background: #fff; 
  border: 1px solid #cbd5e1; 
  padding: 12px 24px; 
  border-radius: 8px; 
  font-weight: 600; 
  display: inline-flex;         /* Đổi flex thành inline-flex để nút co dãn vừa vặn nội dung */
  align-items: center; 
  justify-content: center;      /* Căn giữa SVG và Chữ trong nút */
  gap: 10px; 
  cursor: pointer; 
  box-shadow: 0 2px 4px rgba(0,0,0,0.05); 
  transition: all 0.2s; 
}

.google-btn:hover { 
  background: #f8fafc; 
  border-color: #94a3b8; 
}

/* Steps Section */
.steps-section { padding: 50px 0; background: #fff; border-top: 1px solid #e2e8f0; border-bottom: 1px solid #e2e8f0; }
.section-title { text-align: center; font-size: 24px; margin-bottom: 40px; }
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 25px; }
.step-card { background: var(--bg-color); padding: 25px; border-radius: 12px; text-align: center; position: relative; }
.step-num { width: 40px; height: 40px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; margin: 0 auto 15px; }
.step-card h3 { margin-bottom: 10px; font-size: 18px; }
.step-card p { font-size: 14px; color: var(--text-muted); }

/* Social Proof Section */
.proof-section { padding: 50px 0; }
.payout-list { max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.payout-item { background: #fff; padding: 14px 20px; border-radius: 8px; border: 1px solid #e2e8f0; display: flex; justify-content: space-between; font-size: 14px; }
.amount { color: #16a34a; font-weight: 700; }

/* Product Result Card */
.product-result-card { background: #f1f5f9; border-radius: 8px; padding: 15px; margin-top: 15px; text-align: left; border: 1px solid #cbd5e1; }
.product-info { display: flex; gap: 15px; align-items: center; margin-bottom: 15px; }
.product-info img { width: 70px; height: 70px; border-radius: 6px; object-fit: cover; }
.product-details h4 { font-size: 14px; margin-bottom: 4px; color: #1e293b; }
.price-row { font-size: 13px; color: #64748b; }
.cashback-badge { display: inline-block; margin-top: 5px; background: #dcfce7; color: #15803d; padding: 4px 8px; border-radius: 4px; font-size: 13px; font-weight: 600; }

/* Action Buttons Container */
.action-buttons { display: flex; gap: 10px; flex-wrap: wrap; }