/* ================================================================
   DD딜리버리 랜딩페이지 메인 스타일시트
   ================================================================ */

/* ── 0. CSS Variables ─────────────────────────────────────────── */
:root {
  --green:        #009B2D;
  --green-dark:   #007B23;
  --green-light:  #E6F7EB;
  --green-mid:    #C2EDD0;
  --blue:         #375AFF;
  --blue-dark:    #2646D6;
  --blue-light:   #EEF1FF;
  --blue-mid:     #C5CEFF;

  --gray-950: #0d0e11;
  --gray-900: #1a1b22;
  --gray-800: #2c2d36;
  --gray-700: #44454f;
  --gray-600: #5f6172;
  --gray-400: #9b9dac;
  --gray-300: #c8c9d4;
  --gray-200: #e5e6ef;
  --gray-100: #f3f4f9;
  --gray-50:  #f9fafb;
  --white:    #ffffff;

  --radius-sm:  6px;
  --radius:     12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow:    0 4px 20px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);

  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;

  --header-h: 72px;
  --container-w: 1200px;
}

/* ── 1. Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  font-size: 16px;
}

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI',
               'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a  { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

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

.pc-only { display: block; }
@media (max-width: 768px) { .pc-only { display: none; } }

/* ── 2. Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,155,45,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn-outline:hover {
  background: var(--green);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--gray-800);
  border-color: var(--gray-300);
}
.btn-outline-dark:hover {
  border-color: var(--gray-700);
  color: var(--gray-900);
  background: var(--gray-100);
}

.btn-sm  { padding: 8px 18px; font-size: 0.875rem; }
.btn-lg  { padding: 16px 32px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; border-radius: var(--radius); }

/* ── 3. Section Header ────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  background: var(--green-light);
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--gray-600);
  max-width: 560px;
  margin: 0 auto;
}

/* ── 4. Reveal Animations ─────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 5. HEADER ────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid rgba(255,255,255,0.18);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.88);
  border-bottom-color: var(--gray-200);
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
}

/* 이미지 로고 — 헤더용 */
.logo-img {
  display: block;
  width: auto;
  height: 44px;          /* 헤더 높이에 최적화 */
  max-width: 140px;
  object-fit: contain;
  object-position: left center;
  /* 원본이 흰 배경 PNG이므로 헤더에서 그대로 사용 */
  transition: opacity var(--transition);
}
.logo:hover .logo-img { opacity: 0.85; }

/* 푸터용 로고 — 다크 배경에서 흰색 느낌으로 반전 */
.logo-img-footer {
  height: 44px;
  /* 다크 배경 위에서 로고를 밝게 보이도록 brightness 올리고 흰 레이어 blend */
  filter: brightness(0) invert(1);
  opacity: 0.92;
}
.logo-footer:hover .logo-img-footer { opacity: 0.75; }

/* Nav */
.main-nav { display: flex; align-items: center; flex: 1; justify-content: center; }
.nav-list  { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--green);
  background: var(--green-light);
}

/* Header Actions */
.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition);
}
.mobile-nav-overlay.active { opacity: 1; }

/* ══════════════════════════════════════════════════════════════
   6. HERO SECTION — 실사 배경 + 중앙정렬 풀스크린
══════════════════════════════════════════════════════════════ */
.hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: #08111f; /* 로드 전 폴백 */
}

/* ── 배경 실사 이미지 레이어 ── */
.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  background-image: url('images/hero-bg.jpg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  z-index: 0;
  opacity: 1;
}
.hero-bg-img.hero-bg-loaded { opacity: 1; }

/* 폴백: IT+디지털 네트워크 느낌 그라데이션 (이미지 로드 전/실패 시 항상 노출) */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 65% 55% at 78% 58%, rgba(0,155,45,0.14) 0%, transparent 55%),
    radial-gradient(ellipse 50% 45% at 88% 80%, rgba(55,90,255,0.12) 0%, transparent 50%),
    radial-gradient(ellipse 35% 35% at 15% 30%, rgba(55,90,255,0.08) 0%, transparent 50%),
    linear-gradient(145deg, #040a14 0%, #060f1e 30%, #081628 60%, #050c18 100%);
}

/* ── 오버레이: 중앙을 향해 어둡게, 배경 가독성 확보 ── */
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  /* 전체에 반투명 다크 레이어 + 하단 페이드 */
  background:
    linear-gradient(
      to bottom,
      rgba(6, 12, 24, 0.45) 0%,
      rgba(6, 12, 24, 0.55) 60%,
      rgba(6, 12, 24, 0.82) 100%
    );
}

/* ── 콘텐츠 레이어 ── */
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: calc(var(--header-h) + 80px);
  padding-bottom: 60px;
}

/* ── Hero Copy — 중앙정렬 ── */
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 18px;
  background: rgba(0, 155, 45, 0.15);
  color: #6ee88a;
  border: 1px solid rgba(0, 155, 45, 0.4);
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.18;
  color: #ffffff;
  margin-bottom: 22px;
  letter-spacing: -0.025em;
  text-shadow: 0 3px 28px rgba(0,0,0,0.55);
}
.hero-title em {
  font-style: normal;
  color: #4ade7b;
  position: relative;
  white-space: nowrap;
}
.hero-title em::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 3px;
  background: linear-gradient(90deg, #4ade7b, #009B2D);
  border-radius: 2px;
  opacity: 0.65;
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.75;
  margin-bottom: 44px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 0;
}

/* 다크 배경용 아웃라인 버튼 */
.hero-section .btn-outline-dark {
  color: rgba(255,255,255,0.88);
  border-color: rgba(255,255,255,0.38);
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero-section .btn-outline-dark:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.13);
  transform: translateY(-2px);
}

/* hero-chips 삭제됨 — 빈 섹션 */

/* ── 스크롤 유도 힌트 ── */
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.45);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color var(--transition);
}
.hero-scroll-hint:hover { color: rgba(255,255,255,0.8); }

.hero-scroll-text { text-transform: uppercase; font-size: 0.6875rem; }

.hero-scroll-arrow {
  width: 32px; height: 32px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  animation: scrollBounce 2.2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50%       { transform: translateY(5px); opacity: 1; }
}

/* ── 6-B. INDEX CTA BAND (services 하단) ─────────────────────── */
.index-cta-band {
  background: var(--navy);
  padding: 72px 0;
}
.index-cta-band-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  text-align: center;
}
.index-cta-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: #4ade80;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.index-cta-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.4;
  margin: 0;
}
.index-cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.index-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.18);
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 13px 22px;
  border-radius: 10px;
  transition: all 0.22s ease;
  white-space: nowrap;
}
.index-cta-btn i { color: #4ade80; font-size: 0.95rem; }
.index-cta-btn:hover {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,155,45,0.35);
}
.index-cta-btn:hover i { color: #fff; }
.index-cta-btn-primary {
  background: var(--green);
  border-color: var(--green);
}
.index-cta-btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
}
@media (max-width: 640px) {
  .index-cta-band { padding: 52px 0; }
  .index-cta-btn { font-size: 0.82rem; padding: 11px 16px; }
}

/* ── 7. SERVICES SECTION ──────────────────────────────────────── */
.services-section { background: var(--gray-50); }

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.service-card-featured {
  border-color: var(--green);
  background: linear-gradient(145deg, var(--white) 0%, #f5fdf7 100%);
  box-shadow: 0 4px 24px rgba(0,155,45,0.12);
}
.service-card-featured:hover {
  box-shadow: 0 12px 40px rgba(0,155,45,0.18);
}

.service-card-num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--gray-200);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
}
.service-card-featured .service-card-num { color: var(--green-mid); }

.service-card-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: var(--green-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.375rem;
  color: var(--green);
  margin-bottom: 20px;
}
.service-card-featured .service-card-icon {
  background: var(--green);
  color: var(--white);
}

/* ── 아이소메트릭 SVG 아이콘 스타일 ─────────────────────────── */
.service-card-icon.service-card-icon-iso {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: transparent;
  padding: 0;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px rgba(55, 100, 140, 0.15);
  overflow: hidden;
  border: none;
}
.service-card-featured .service-card-icon.service-card-icon-iso {
  background: transparent;
  box-shadow: 0 4px 20px rgba(0, 155, 45, 0.18);
}
.iso-icon {
  width: 80px;
  height: 80px;
  display: block;
  transition: transform 0.3s ease;
}
.service-card:hover .iso-icon {
  transform: translateY(-3px) scale(1.04);
}

.service-card-title {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.service-card-desc {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-card-list {
  display: flex; flex-direction: column; gap: 8px;
}
.service-card-list li {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.875rem;
  color: var(--gray-700);
}
.service-card-list li .fa-check { color: var(--green); font-size: 0.75rem; }

.service-card-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--green);
  color: white;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
}

/* ── 8. STRENGTHS / TARGET SECTION ───────────────────────────── */
.strengths-section { background: var(--white); }

.target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 56px;
}

.target-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.target-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--white);
}
.target-card-center {
  background: var(--white);
  border-color: var(--blue);
  box-shadow: 0 4px 24px rgba(55,90,255,0.10);
}
.target-card-center:hover {
  box-shadow: 0 12px 40px rgba(55,90,255,0.16);
}

.target-icon-wrap {
  width: 60px; height: 60px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.target-icon-green { background: var(--green-light); color: var(--green); }
.target-icon-blue  { background: var(--blue-light);  color: var(--blue); }

/* ── 아이소메트릭 SVG 아이콘 (target-card 용) ─────────────── */
.target-icon-wrap.target-icon-iso {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: transparent;
  padding: 0;
  margin-bottom: 20px;
  box-shadow: 0 4px 18px rgba(55, 130, 90, 0.15);
  overflow: hidden;
  border: none;
  flex-shrink: 0;
}
.target-icon-wrap.target-icon-iso-blue {
  box-shadow: 0 4px 18px rgba(55, 90, 255, 0.15);
}
.target-card-center .target-icon-wrap.target-icon-iso {
  box-shadow: 0 4px 22px rgba(55, 90, 255, 0.2);
}
.target-iso-icon {
  width: 88px;
  height: 88px;
  display: block;
  transition: transform 0.35s ease;
}
.target-card:hover .target-iso-icon {
  transform: translateY(-4px) scale(1.05);
}

.target-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.target-desc {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 18px;
}
.target-list {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 24px;
}
.target-list li {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.875rem;
  color: var(--gray-700);
}
.target-list li .fa-arrow-right { color: var(--blue); font-size: 0.6875rem; }
.target-card-center .target-list li .fa-arrow-right { color: var(--blue); }

.target-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--green);
  padding: 8px 16px;
  border-radius: 50px;
  background: var(--green-light);
  transition: all var(--transition);
}
.target-link:hover {
  background: var(--green);
  color: var(--white);
}
.target-card-center .target-link { color: var(--blue); background: var(--blue-light); }
.target-card-center .target-link:hover { background: var(--blue); color: white; }



/* ── 9. DOWNLOAD SECTION ──────────────────────────────────────── */
.download-section { background: var(--gray-50); }

/* Tabs */
.dl-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 40px;
  background: var(--white);
  padding: 6px;
  border-radius: 50px;
  width: fit-content;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.dl-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: all var(--transition);
  border: none;
  background: none;
}
.dl-tab:hover { color: var(--gray-900); }
.dl-tab-active {
  background: var(--blue);
  color: var(--white) !important;
  box-shadow: 0 4px 14px rgba(55,90,255,0.3);
}

/* Panel */
.dl-panel-hidden { display: none; }

/* ── 9. DOWNLOAD SECTION — Cards ─────────────────────────── */

/* 공통 그리드 컨테이너 */
.dl-cards {
  display: grid;
  gap: 20px;
  margin-bottom: 32px;
}

/* 데스크탑 패널: 1열 가로형 */
.dl-cards-desktop {
  grid-template-columns: 1fr;
}

/* 모바일 앱 패널: 3열 세로형 카드 */
.dl-cards-3col {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

/* ── 기본 카드 (데스크탑 가로형) ── */
.dl-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.dl-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--green);
}

/* 데스크탑 전용: 아이콘 | 텍스트 | 버튼 3단 */
.dl-card-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}

/* ── 세로형 카드 (모바일 앱 3열) ── */
.dl-card-vertical {
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 20px 24px;
  gap: 0;
  justify-content: flex-start;
}
.dl-card-vertical .dl-card-icon {
  margin-bottom: 16px;
}
.dl-card-vertical .dl-card-info {
  width: 100%;
  flex: 0 0 auto;
  margin-bottom: 20px;
}
.dl-card-vertical .dl-tag {
  display: inline-block;
  margin-top: 6px;
}
.dl-card-vertical .dl-btn {
  width: 100%;
  justify-content: center;
  margin-top: auto;
}
/* ── 3열 세로형 카드 전용 스타일 ── */
.dl-cards-3col .dl-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 24px 28px;
  /* 버튼이 항상 카드 하단에 붙도록 */
  justify-content: flex-start;
  min-height: 340px;
}
.dl-cards-3col .dl-card:hover {
  border-color: var(--green);
}
/* 아이콘 영역 */
.dl-cards-3col .dl-card-icon {
  margin-bottom: 20px;
  flex-shrink: 0;
}
/* 텍스트 정보 영역 — flex:1로 공간 채워서 버튼을 아래로 밀기 */
.dl-cards-3col .dl-card-info {
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: 20px;
}
.dl-cards-3col .dl-card-info .dl-card-title {
  margin-bottom: 8px;
}
.dl-cards-3col .dl-card-info .dl-card-desc {
  margin-bottom: 10px;
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.65;
}
/* 버튼 항상 하단 고정 */
.dl-cards-3col .dl-btn {
  width: 100%;
  justify-content: center;
  flex-shrink: 0;
  border-radius: var(--radius);
}

/* ── 아이콘 공통 ── */
.dl-card-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.dl-icon-green { background: var(--green-light); color: var(--green); }
.dl-icon-blue  { background: var(--blue-light);  color: var(--blue); }

/* ── 브랜드 아이콘 (DD로고 컬러 기반) ── */
.dl-card-icon.dl-icon-brand {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: transparent;
  padding: 0;
  overflow: hidden;
  flex-shrink: 0;
  border: none;
  box-shadow:
    0 6px 20px rgba(0, 155, 45, 0.25),
    0 2px 6px rgba(0, 0, 0, 0.12);
  transition: box-shadow var(--transition), transform var(--transition);
}
.dl-card-icon.dl-icon-brand-dark {
  box-shadow:
    0 6px 20px rgba(10, 67, 29, 0.35),
    0 2px 6px rgba(0, 0, 0, 0.18);
}
.dl-brand-icon {
  width: 88px;
  height: 88px;
  display: block;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.dl-card:hover .dl-brand-icon {
  transform: translateY(-5px) scale(1.06);
}
.dl-card:hover .dl-icon-brand {
  box-shadow:
    0 12px 32px rgba(0, 155, 45, 0.35),
    0 4px 10px rgba(0, 0, 0, 0.15);
}
.dl-card:hover .dl-icon-brand-dark {
  box-shadow:
    0 12px 32px rgba(10, 67, 29, 0.45),
    0 4px 10px rgba(0, 0, 0, 0.2);
}

/* 총판매니저 태그 블루 */
.dl-tag-blue {
  background: var(--blue-light);
  color: var(--blue);
}

.dl-card-info { flex: 1; min-width: 0; }
.dl-card-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.dl-card-desc {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 8px;
}
.dl-meta { display: flex; align-items: center; gap: 8px; }

.dl-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--green-light);
  color: var(--green);
}
.dl-tag-ios { background: #f0f0f5; color: #555; }

.dl-filename {
  font-size: 0.75rem;
  color: var(--gray-400);
  font-family: 'Courier New', monospace;
}

.dl-btn {
  flex-shrink: 0;
  min-width: 120px;
  justify-content: center;
}

/* Notice Box */
.dl-notice {
  display: flex;
  gap: 16px;
  background: var(--blue-light);
  border: 1px solid var(--blue-mid);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
}
.dl-notice-icon {
  color: var(--blue);
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.dl-notice-content strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 10px;
}
.dl-notice-content ul {
  display: flex; flex-direction: column; gap: 6px;
}
.dl-notice-content li {
  font-size: 0.875rem;
  color: var(--gray-700);
  padding-left: 14px;
  position: relative;
}
.dl-notice-content li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--blue);
}

/* ══════════════════════════════════════════════════════════════
   10. CONTACT SECTION — 3열 카드 레이아웃
══════════════════════════════════════════════════════════════ */
.contact-section {
  background: var(--gray-50);
}

/* ── 3열 그리드 ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ── 공통 카드 ── */
.contact-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 40px 32px 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

/* 아이콘 래퍼 */
.contact-card-icon {
  width: 64px; height: 64px;
  border-radius: 18px;
  background: var(--green-light);
  color: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.625rem;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.contact-card-icon-kakao {
  background: #FEE500;
  color: #3C1E1E;
}
.contact-card-icon-location {
  background: var(--blue-light);
  color: var(--blue);
}

/* 라벨 */
.contact-card-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 10px;
}

/* 전화번호 */
.contact-phone-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--gray-900);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 10px;
  transition: color var(--transition);
}
.contact-phone-num:hover { color: var(--green); }

/* 카카오 채널 ID */
.contact-kakao-id {
  font-size: 1.1875rem;
  font-weight: 800;
  color: #3C1E1E;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

/* 주소 */
.contact-address {
  font-style: normal;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.55;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

/* 설명 텍스트 */
.contact-card-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 28px;
  flex: 1; /* 버튼을 항상 하단에 정렬 */
}

/* 카드 내 버튼 */
.contact-card-btn {
  width: 100%;
  justify-content: center;
  border-radius: var(--radius);
  padding: 13px 20px;
  font-size: 0.9375rem;
}

/* 카카오 전용 버튼 */
.contact-btn-kakao {
  background: #FEE500;
  color: #3C1E1E;
  border-color: #FEE500;
  font-weight: 700;
  gap: 8px;
}
.contact-btn-kakao:hover {
  background: #f0d800;
  border-color: #f0d800;
  color: #3C1E1E;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(254,229,0,0.45);
}
.contact-btn-kakao svg { flex-shrink: 0; }

/* 카카오 아이콘 SVG 크기 */
.kakao-icon {
  width: 32px; height: 32px;
}

/* 전화 카드 강조 테두리 */
.contact-card-phone {
  border-color: var(--green);
  background: linear-gradient(160deg, var(--white) 0%, #f5fdf7 100%);
}
.contact-card-phone:hover {
  box-shadow: 0 12px 40px rgba(0,155,45,0.14);
}

/* 카카오 카드 강조 테두리 */
.contact-card-kakao {
  border-color: #FEE500;
}
.contact-card-kakao:hover {
  box-shadow: 0 12px 40px rgba(254,229,0,0.18);
}

/* 위치 카드 */
.contact-card-location {
  border-color: var(--blue);
}
.contact-card-location:hover {
  box-shadow: 0 12px 40px rgba(55,90,255,0.12);
}
.contact-card-location .btn-outline {
  color: var(--blue);
  border-color: var(--blue);
}
.contact-card-location .btn-outline:hover {
  background: var(--blue);
  color: var(--white);
}

/* ── 11. FOOTER ───────────────────────────────────────────────── */
.site-footer {
  background: var(--gray-950);
  color: rgba(255,255,255,0.7);
}

.footer-inner { padding: 64px 24px 32px; }

.footer-top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 32px;
}

.footer-brand { display: flex; flex-direction: column; gap: 16px; }
/* 푸터 로고 링크 라인높이 제거 */
.logo-footer { line-height: 0; display: inline-flex; }
.footer-tagline { font-size: 0.9375rem; color: rgba(255,255,255,0.5); }
.footer-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--green);
  transition: color var(--transition);
}
.footer-tel:hover { color: #00c438; }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-nav-col strong {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.footer-nav-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-nav-col a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}
.footer-info {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}
.footer-sep { color: rgba(255,255,255,0.2); }
.footer-copy {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.3);
}

/* ── 12. SCROLL TOP BUTTON ────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px; height: 48px;
  background: var(--green);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(0,155,45,0.4);
  transition: all var(--transition);
  z-index: 900;
  opacity: 0;
  transform: translateY(12px);
}
.scroll-top:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
}
.scroll-top:hover {
  background: var(--green-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,155,45,0.45);
}

/* ── 12-B. FLOATING MENU ──────────────────────────────────────── */
.floating-menu {
  position: fixed;
  bottom: 96px;
  right: 32px;
  z-index: 950;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

/* 토글 버튼 */
.floating-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 12px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0,155,45,0.45);
  transition: all var(--transition);
  white-space: nowrap;
}
.floating-toggle:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,155,45,0.5);
}
.floating-toggle i {
  font-size: 1rem;
}

/* 메뉴 리스트 */
.floating-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  /* 닫힌 상태 */
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.96);
  transform-origin: bottom right;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.floating-list.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

/* 각 항목 */
.floating-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--navy);
  text-decoration: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  white-space: nowrap;
  transition: all 0.2s ease;
  border: 1.5px solid #eee;
}
.floating-item:hover {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
  transform: translateX(-4px);
  box-shadow: 0 6px 20px rgba(0,155,45,0.35);
}
.floating-item-icon {
  width: 30px;
  height: 30px;
  background: var(--green-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--green);
  transition: background 0.2s, color 0.2s;
  flex-shrink: 0;
}
.floating-item:hover .floating-item-icon {
  background: rgba(255,255,255,0.25);
  color: #fff;
}

/* 모바일 */
@media (max-width: 640px) {
  .floating-menu {
    bottom: 80px;
    right: 16px;
  }
  .floating-toggle-label { display: none; }
  .floating-toggle {
    width: 48px; height: 48px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
  }
  .floating-item-text { font-size: 0.8rem; }
}

/* ── 13. RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1100px) {
  /* Contact 3열 → 태블릿 가로에서도 유지, 카드 패딩 축소 */
  .contact-card { padding: 32px 24px 28px; }
}

@media (max-width: 960px) {
  :root { --header-h: 64px; }

  /* 반응형 로고 크기 */
  .logo-img,
  .logo-img-footer { height: 38px; }

  /* Header */
  .main-nav {
    position: fixed;
    top: 0; right: -300px;
    width: 280px; height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 100px 28px 40px;
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-slow);
    z-index: 1001;
  }
  .main-nav.nav-open { right: 0; }
  .nav-list { flex-direction: column; align-items: flex-start; width: 100%; gap: 4px; }
  .nav-link { font-size: 1rem; padding: 12px 16px; display: block; width: 100%; }

  /* 모바일: header-actions 전체 숨기고 햄버거만 */
  .header-actions { display: none; }
  .hamburger { display: flex; }

  /* Hero — 태블릿 */
  .hero-inner { padding-top: calc(var(--header-h) + 48px); padding-bottom: 72px; }
  .hero-title { font-size: 2.5rem; }

  /* 모바일 Hero 오버레이 강화 */
  .hero-bg-overlay {
    background: linear-gradient(
      to bottom,
      rgba(6,12,24,0.55) 0%,
      rgba(6,12,24,0.62) 60%,
      rgba(6,12,24,0.88) 100%
    );
  }


  /* Grid adjustments */
  .service-cards { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .target-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }

  /* 아이소메트릭 아이콘 모바일 크기 축소 */
  .target-icon-wrap.target-icon-iso { width: 76px; height: 76px; }
  .target-iso-icon { width: 76px; height: 76px; }



  /* Download — 태블릿 (768px 이하) */
  /* 3열 → 1열 전환, 카드는 세로형 유지 */
  .dl-cards.dl-cards-3col { grid-template-columns: 1fr; }
  .dl-cards.dl-cards-3col .dl-card {
    flex-direction: row;
    align-items: center;
    text-align: left;
    padding: 20px 24px;
  }
  .dl-cards.dl-cards-3col .dl-card-icon { margin-bottom: 0; }
  .dl-cards.dl-cards-3col .dl-card-info {
    align-items: flex-start;
    flex: 1;
    margin-bottom: 0;
    gap: 3px;
  }
  .dl-cards.dl-cards-3col .dl-btn {
    width: auto;
    flex-shrink: 0;
  }
  /* 브랜드 아이콘 태블릿 크기 */
  .dl-card-icon.dl-icon-brand { width: 72px; height: 72px; }
  .dl-brand-icon { width: 72px; height: 72px; }
  /* 데스크탑 카드 */
  .dl-card-wide { grid-template-columns: auto 1fr auto; }

  /* Contact — 태블릿: 1열 세로 적층 */
  .contact-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-nav { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .section-padding { padding: 72px 0; }

  /* 모바일 로고 최소 크기 */
  .logo-img,
  .logo-img-footer { height: 34px; max-width: 110px; }

  /* Hero 모바일 */
  .hero-inner { padding-top: calc(var(--header-h) + 36px); padding-bottom: 64px; }
  .hero-title { font-size: 1.875rem; }
  .hero-sub { font-size: 0.9375rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 320px; justify-content: center; }
  .hero-scroll-hint { bottom: 20px; }

  .dl-tab { padding: 8px 16px; font-size: 0.875rem; }
  /* 모바일(640px): 3열 카드 → 세로형 유지, 버튼 full-width */
  .dl-cards.dl-cards-3col .dl-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 20px;
  }
  .dl-cards.dl-cards-3col .dl-card-icon { margin-bottom: 14px; }
  .dl-cards.dl-cards-3col .dl-card-info {
    align-items: center;
    margin-bottom: 16px;
  }
  .dl-cards.dl-cards-3col .dl-btn { width: 100%; max-width: 240px; }
  /* 브랜드 아이콘 모바일 크기 */
  .dl-card-icon.dl-icon-brand { width: 72px; height: 72px; }
  .dl-brand-icon { width: 72px; height: 72px; }
  /* 데스크탑 카드 모바일 */
  .dl-card { flex-direction: column; text-align: center; }
  .dl-card-icon { margin: 0 auto; }
  .dl-card-wide { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .dl-meta { justify-content: center; }
  .dl-btn { width: 100%; max-width: 240px; }

  /* Contact — 모바일 */
  .contact-card { padding: 32px 24px 28px; }
  .contact-phone-num { font-size: 1.75rem; }

  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .footer-info { flex-direction: column; gap: 4px; }
  .footer-sep { display: none; }

  .scroll-top { bottom: 20px; right: 20px; width: 44px; height: 44px; }
}

@media (max-width: 400px) {
  .hero-title { font-size: 1.625rem; }

}