:root {
  /* 컬러 시스템: 강렬하지만 세련된 배색 */
  --brand-red: #d90429; /* 신뢰와 열정의 레드 */
  --brand-yellow: #ffd60a; /* 주목도 높은 옐로우 */
  --dark-bg: #1a1a1a; /* 고급스러운 다크 그레이 */
  --text-main: #222222;
  --text-sub: #666666;
  --white: #ffffff;
  --bg-gray: #f8f9fa;
}

.d_block {
  display: inline-block;
}
.m_block {
  display: none;
}
/* 유틸리티 클래스 */
@font-face {
  font-family: "GMarketSans";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2001@1.1/GmarketSansLight.woff")
    format("woff");
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "GMarketSans";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2001@1.1/GmarketSansMedium.woff")
    format("woff");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "GMarketSans";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2001@1.1/GmarketSansBold.woff")
    format("woff");
  font-weight: 700;
  font-display: swap;
}
.font-impact {
  font-family: "GMarketSans";
  letter-spacing: -3px;
  font-weight: 700;
}
.text-red {
  color: var(--brand-red);
}
.text-yellow {
  color: var(--brand-yellow);
}
.bg-gray {
  background-color: var(--bg-gray);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 100px 0;
}

/* 애니메이션 (스크롤 시 등장) */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 2. 메인 히어로 (임팩트 강조) */
.hero {
  height: 90vh;
  background: url(../img/main.jpg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
}
.hero-sticker {
  background: var(--brand-yellow);
  padding: 8px 20px;
  font-weight: 800;
  font-size: 1.1rem;
  border: 2px solid var(--text-main);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.2);
  margin-bottom: 30px;
  transform: rotate(-2deg);
  display: inline-block;
}
.hero-title {
  font-size: 4.5rem;
  line-height: 1.1;
  margin-bottom: 30px;
  color: #fff;
}
.hero-desc {
  font-size: 1.6rem;
  color: #bbb;
  margin-bottom: 50px;
  font-weight: normal;
}
.btn-hero {
  font-size: 1.3rem;
  padding: 18px 50px;
  background: var(--brand-red);
  color: white;
  border: 2px solid var(--brand-red);
  font-weight: 700;
  text-decoration: none;
  border-radius: 5px;
  transition: 0.3s;
  box-shadow: 0 10px 20px rgba(217, 4, 41, 0.3);
}
.btn-hero:hover {
  background: white;
  color: var(--brand-red);
  transform: translateY(-3px);
}

/* 3. 업체 소개 (About Us) - 전문성 강조 */
.about-section {
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-img {
  position: relative;
}
.about-img img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 20px 20px 0 var(--brand-yellow); /* 디자인 포인트 */
}
.about-content h2 {
  font-size: 3rem;
  margin-bottom: 25px;
  line-height: 1.2;
}
.about-content p {
  font-size: 1.1rem;
  color: var(--text-sub);
  margin-bottom: 20px;
}
.check-list li {
  list-style: none;
  margin-bottom: 10px;
  font-weight: 500;
  font-size: 1.1rem;
}
.check-list i {
  color: var(--brand-red);
  margin-right: 10px;
}

/* 4. 서비스 특징 (Why Us) */
.features-section {
  background: var(--dark-bg);
  color: var(--white);
}
.feature-box {
  background: rgba(255, 255, 255, 0.1);
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: 0.3s;
  height: 100%;
}
.feature-box:hover {
  border-color: var(--brand-yellow);
  transform: translateY(-10px);
}
.feature-num {
  font-size: 3rem;
  color: var(--brand-yellow);
  opacity: 0.5;
  display: block;
  margin-bottom: 10px;
}
.feature-box h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
}
.feature-box p {
  font-size: 17px;
  color: #ccc;
  font-weight: 300;
}

/* 5. 카테고리 그리드 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.cat-item {
  position: relative;
  height: 300px;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}
.cat-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.cat-item:hover img {
  transform: scale(1.1);
}
.cat-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: 30px;
  color: white;
}
.cat-overlay h3 {
  font-size: 1.65rem;
  margin-bottom: 5px;
}
.cat-overlay p {
  font-size: 1.1rem;
  color: var(--brand-yellow);
}

/* 6. 마지막 CTA */
.final-cta {
  background: var(--brand-yellow);
  text-align: center;
  border-top: 3px solid #000;
  border-bottom: 3px solid #000;
}
.phone-display {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--text-main);
  margin: 20px 0;
  letter-spacing: -1px;
}

/* 반응형 */
/* 반응형 */
@media (max-width: 768px) {
  .font-impact {
  font-family: "GMarketSans";
  letter-spacing: -1.3px;
  font-weight: 700;
}
  /* Layout & Spacing */
  .section-padding {
    padding: 60px 0;
  }
  
  .container {
    padding: 0 20px;
  }

  .d_block {
    display: none;
  }
  
  .m_block {
    display: inline-block;
    width: 100%;
  }

  /* Hero Section */
  .hero {
    height: auto;
    min-height: 100vh;
    padding: 120px 0 80px;
    background-position: center;
  }

  .hero-sticker {
    font-size: 0.9rem;
    padding: 6px 15px;
    margin-bottom: 20px;
  }

  .hero-title {
    font-size: 2.6rem;
    line-height: 1.25;
    margin-bottom: 20px;
    word-break: keep-all;
  }

  .hero-desc {
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 40px;
    padding: 0 10px;
    word-break: keep-all;
  }

  .btn-hero {
    padding: 15px 40px;
    font-size: 1.1rem;
  }

  /* About Section */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-img {
    margin: 0 10px;
  }

  .about-img img {
    box-shadow: 10px 10px 0 var(--brand-yellow);
  }

  .about-content h2 {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 20px;
    word-break: keep-all;
  }

  .about-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    text-align: justify;
  }

  .check-list {
    margin-top: 30px;
    padding-left: 5px;
  }

  .check-list li {
    font-size: 1.2rem;
    margin-bottom: 12px;
  }

  /* Features Section */
  .features-section h2 {
    font-size: 2.2rem !important;
  }

  .features-section p {
    font-size: 1rem !important;
    padding: 0 10px;
    word-break: keep-all;
  }

  .category-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .feature-box {
    padding: 30px 25px;
    text-align: center;
  }

  .feature-num {
    font-size: 2.5rem;
  }

  .feature-box h3 {
    font-size: 1.5rem;
  }

  .feature-box p {
    line-height: 1.6;
    color: #ddd;
  }

  /* Category Section */
  #category h2 {
    font-size: 2.2rem !important;
    margin-bottom: 40px !important;
    line-height: 1.2;
  }

  .cat-item {
    height: 250px;
  }

  .cat-overlay {
    padding: 20px;
  }

  .cat-overlay h3 {
    font-size: 1.34rem;
  }

  /* Contact & Footer */
  .phone-display {
    font-size: 2.24rem;
  }


}