/* ===== Hero ===== */
.hero {
  padding: 140px 24px;
  text-align: center;
  background-color: #ffffff;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  color: #111827;
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: #059669;
}

.hero p {
  color: #4b5563;
  font-size: 20px;
  line-height: 1.6;
  margin-bottom: 48px;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

/* 버튼 공통 스타일 */
.btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

/* 시작하기 버튼 (Primary) */
.btn.primary {
  background: #059669;
  color: #ffffff !important;
}

.btn.primary:hover {
  background: #047857;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
}

.btn.outline {
  background: white;
  color: #059669;
  border: 2px solid #059669;
}

.btn.outline:hover {
  background: #ecfdf5;
}

.btn svg {
  transition: transform 0.2s ease;
}

.btn.primary:hover svg {
  transform: translateX(4px);
}

/* ===== Features ===== */
.features {
  padding: 80px 24px;
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.card {
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 마우스 올렸을 때 효과 */
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.card a {
  display: block;
  padding: 32px;
  text-decoration: none;
  color: inherit;
}

/* 아이콘 박스 공통 */
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 24px;
}

/* 아이콘 개별 색상 (두 번째 이미지 참고) */
.icon-box.orange { background: #fff3e0; }
.icon-box.blue   { background: #e3f2fd; }
.icon-box.purple { background: #f3e5f5; }
.icon-box.green  { background: #e8f5e9; }

/* 제목 스타일 */
.card h3 {
  margin: 0 0 12px 0;
  font-size: 20px;
  font-weight: 700;
  color: #111;
}

/* 설명글 스타일 */
.card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: #666;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}