/* ==========================================================================
   1. GLOBAL (공통 전역 설정)
   ========================================================================== */
*, *::before, *::after { 
  margin: 0; 
  padding: 0; 
  box-sizing: border-box; 
}

:root {
  --bg: #080808;
  --bg2: #0f0f0f;
  --bg3: #161616;
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.15);
  --text: #ffffff;
  --text2: #a0a0a0;
  --text3: #606060;
  --purple: #7B6CE6;
  --purple-light: #9B8EF0;
  --purple-dim: rgba(123,108,230,0.12);
  --purple-dim2: rgba(123,108,230,0.06);
  --glow: rgba(123,108,230,0.3);
}
.pc-display{display:block;}
.mo-display{display:none;}

html { 
  scroll-behavior: smooth; 
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Pretendard', 'Apple SD Gothic Neo', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* GRADIENT TEXT HELPER */
.grad {
  background: linear-gradient(135deg, var(--purple-light), #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── SCROLL ANIMATIONS ── */
.fade-up {
  opacity: 0; 
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { 
  opacity: 1; 
  transform: translateY(0); 
}


/* ==========================================================================
   2. NAV & HEADER (공통 헤더 내비게이션)
   ========================================================================== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
  height: 68px;
  background: rgba(8,8,8,0.97); /* 서브페이지 시인성을 위해 기본 불투명도 업그레이드 */
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.nav-logo {
  display: flex; align-items: center; /* gap: 10px;*/
  text-decoration: none;
}

.nav-logo-icon {
  width: 32px; height: 32px;
  position: relative;
}
.nav-logo-icon svg { width: 32px; height: 32px; }

.nav-logo-text {
  font-family: 'Syne', sans-serif;
  font-size: 18px; font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
}
.nav-logo-text span { color: var(--purple); }

.nav-links {
  display: flex; align-items: center; gap: 36px;
  list-style: none;
}
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 14px; font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  display: flex; align-items: center; gap: 12px;
}

.btn-ghost {
  padding: 9px 20px;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
  font-size: 14px; font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  font-family: 'Pretendard', sans-serif;
}
.btn-ghost:hover { border-color: var(--purple); color: var(--text); }

.btn-primary {
  padding: 9px 22px;
  background: var(--purple);
  border: 1px solid var(--purple);
  color: #fff;
  font-size: 14px; font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  font-family: 'Pretendard', sans-serif;
  letter-spacing: 0.01em;
}
.btn-primary:hover { background: var(--purple-light); border-color: var(--purple-light); box-shadow: 0 0 24px var(--glow); }

.hamburger { display: none; }


/* ==========================================================================
   3. INDEX PAGE SECTIONS (메인 페이지 전용 섹션 엘리먼트)
   ========================================================================== */
section { padding: 100px 48px; }
.section-inner { max-width: 1200px; margin: 0 auto; }

.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600;
  color: var(--purple-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-tag::before {
  content: '';
  width: 16px; height: 1px;
  background: var(--purple);
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 15px; color: var(--text2);
  line-height: 1.7; max-width: 100%;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(123,108,230,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123,108,230,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(123,108,230,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-glow2 {
  position: absolute;
  bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(123,108,230,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
  position: relative; z-index: 1;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 8px;
  background: var(--purple-dim);
  border: 1px solid rgba(123,108,230,0.25);
  border-radius: 100px;
  font-size: 12px; font-weight: 600;
  color: var(--purple-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease both;
}

.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--purple);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(40px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s 0.1s ease both;
}

.hero-title .line2 {
  display: block;
  margin-top: 22px;
  font-size: 1.35em;
  line-height: 1;
  background: linear-gradient(135deg, var(--purple-light) 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 17px;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 540px;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex; gap: 14px; align-items: center;
  animation: fadeInUp 0.6s 0.3s ease both;
}

.btn-primary-lg {
  padding: 14px 28px;
  background: var(--purple);
  border: 1px solid var(--purple);
  color: #fff;
  font-size: 15px; font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s;
  font-family: 'Pretendard', sans-serif;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary-lg:hover { background: var(--purple-light); box-shadow: 0 0 40px var(--glow); transform: translateY(-1px); }

.btn-ghost-lg {
  padding: 14px 28px;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
  font-size: 15px; font-weight: 500;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s;
  font-family: 'Pretendard', sans-serif;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-ghost-lg:hover { color: var(--text); border-color: var(--border2); }

/* HERO VISUAL */
.hero-visual {
  animation: fadeInRight 0.8s 0.2s ease both;
  position: relative;
}

.hero-card-main {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 20px;
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.hero-card-main::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--purple), transparent);
}

.card-label {
  font-size: 11px; font-weight: 600;
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.card-stat-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; margin-bottom: 24px;
}

.card-stat {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.card-stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 26px; font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.card-stat-num.purple { color: var(--purple-light); }
.card-stat-label { font-size: 12px; color: var(--text3); }

.card-bar-section { margin-bottom: 24px; }
.card-bar-label {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--text2);
  margin-bottom: 8px;
}

.card-bar-track {
  height: 4px; background: var(--border);
  border-radius: 2px; overflow: hidden;
  margin-bottom: 10px;
}

.card-bar-fill {
  height: 100%; background: var(--purple);
  border-radius: 2px;
  animation: barGrow 1.5s 1s ease both;
  transform-origin: left;
}

@keyframes barGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.card-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 5px 12px;
  background: var(--purple-dim);
  border: 1px solid rgba(123,108,230,0.2);
  border-radius: 100px;
  font-size: 12px; font-weight: 500;
  color: var(--purple-light);
}
.tag.gray {
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
  color: var(--text2);
}

.floating-badge {
  position: absolute;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.floating-badge-1 { top: -20px; right: -20px; animation-delay: 0s; }
.floating-badge-2 { bottom: 30px; left: -30px; animation-delay: 2s; }

.fb-icon {
  width: 32px; height: 32px;
  background: var(--purple-dim);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.fb-text { font-size: 12px; }
.fb-title { font-weight: 600; color: var(--text); }
.fb-sub { color: var(--text3); font-size: 11px; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ── WHO WE SERVE (Audience) ── */
.audience { background: var(--bg); }
.audience-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; margin-top: 56px;
}

.audience-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: default;
}
.audience-card:hover {
  border-color: rgba(123,108,230,0.4);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(123,108,230,0.2);
}
.audience-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--purple-light));
  opacity: 0;
  transition: opacity 0.3s;
}
.audience-card:hover::after { opacity: 1; }

.ac-icon {
  width: 52px; height: 52px;
  background: var(--purple-dim);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  font-size: 24px;
}
.ac-title { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.ac-sub { font-size: 14px; color: var(--text2); line-height: 1.7; margin-bottom: 20px; }

.ac-benefits { list-style: none; }
.ac-benefits li {
  font-size: 13px; color: var(--text2);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.ac-benefits li:last-child { border-bottom: none; }
.ac-benefits li::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--purple);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── FEATURES ── */
.features { background: var(--bg2); }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  margin-top: 56px;
}

.feature-card {
  background: var(--bg2);
  padding: 20px 16px;
  transition: background 0.2s;
  position: relative;
}
.feature-card:hover { background: var(--bg3); }

.fc-num {
  font-family: 'Syne', sans-serif;
  font-size: 12px; font-weight: 700;
  color: var(--text3);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.fc-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--purple-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 12px;
  border: 1px solid rgba(123,108,230,0.2);
}
.fc-title { font-size: 17px; font-weight: 700; margin-bottom: 4px; color: var(--text); }
.fc-desc { font-size: 13px; color: var(--text2); line-height: 1.4; }

/* ── HOW IT WORKS ── */
.howitworks { background: var(--bg); }
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 60px;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 28px; left: 5%; right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border2), var(--purple), var(--border2), transparent);
}

.step { padding: 24px 20px; text-align: center; position: relative; }
.step-circle {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--bg3);
  border: 2px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-family: 'Syne', sans-serif;
  font-size: 18px; font-weight: 800;
  color: var(--purple-light);
  position: relative; z-index: 1;
  transition: all 0.3s;
}
.step:hover .step-circle {
  border-color: var(--purple);
  background: var(--purple-dim);
  box-shadow: 0 0 24px var(--glow);
}
.step-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step-desc { font-size: 13px; color: var(--text2); line-height: 1.6; }

/* ── PLANS ── */
.plans { background: var(--bg2); }
.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 40px; }

.plan-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 12px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.plan-card:hover { transform: translateY(-4px); }
.plan-card.featured {
  border-color: rgba(123,108,230,0.5);
  background: linear-gradient(135deg, rgba(123,108,230,0.08) 0%, var(--bg3) 100%);
}
.plan-card.featured::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--purple-light));
}

.plan-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--purple);
  border-radius: 100px;
  font-size: 11px; font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.plan-name { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 700; margin-bottom: 2px; }
.plan-price { font-family: 'Syne', sans-serif; font-size: 22px; font-weight: 800; margin-bottom: 1px; }
.plan-price span { font-size: 16px; font-weight: 400; color: var(--text2); }
.plan-desc { font-size: 12px; color: var(--text2); margin-bottom: 10px; }

.plan-features { list-style: none; border-top: 1px solid var(--border); padding-top: 10px; }
.plan-features li { font-size: 12px; color: var(--text2); padding: 3px 0; display: flex; align-items: center; gap: 8px; }
.check {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--purple-dim);
  border: 1px solid rgba(123,108,230,0.3);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 9px; color: var(--purple-light);
}

/* ── BIZ24 SECTION ── */
.biz24-section { background: var(--bg); padding: 120px 48px; position: relative; overflow: hidden; }
.biz24-inner { max-width: 1200px; margin: 0 auto; }
.biz24-intro { text-align: center; margin-bottom: 100px; }
.biz24-intro .section-tag { color: var(--purple); margin-bottom: 20px; }
.biz24-intro-title { font-family: 'Syne', sans-serif; font-size: 48px; font-weight: 700; margin-bottom: 20px; line-height: 1.2; }
.biz24-intro-sub { font-size: 16px; color: var(--text2); max-width: 600px; margin: 0 auto 30px; }

.biz24-process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-bottom: 100px; }
.biz24-process-item { text-align: center; }
.biz24-process-num { font-size: 14px; color: var(--text2); margin-bottom: 15px; text-transform: uppercase; letter-spacing: 1px; }
.biz24-process-icon { font-size: 40px; margin-bottom: 20px; height: 60px; display: flex; align-items: center; justify-content: center; }
.biz24-process-title { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.biz24-process-desc { font-size: 13px; color: var(--text3); line-height: 1.5; }

.biz24-plans { margin-bottom: 100px; }
.biz24-plans-header { text-align: center; margin-bottom: 50px; }
.biz24-plans-title { font-family: 'Syne', sans-serif; font-size: 36px; font-weight: 700; margin-bottom: 15px; }
.biz24-plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.biz24-plan-card { background: var(--bg3); border: 1px solid var(--border2); border-radius: 16px; padding: 30px; transition: all 0.3s ease; }
.biz24-plan-card:hover { border-color: var(--purple); box-shadow: 0 0 30px rgba(123,108,230,0.2); }
.biz24-plan-name { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.biz24-plan-price { font-size: 24px; font-weight: 700; color: var(--purple); margin-bottom: 20px; }
.biz24-plan-features { list-style: none; }
.biz24-plan-features li { font-size: 14px; color: var(--text2); padding: 8px 0; border-bottom: 1px solid var(--border); }
.biz24-plan-features li:last-child { border-bottom: none; }

.biz24-benefits { margin-bottom: 100px; }
.biz24-benefits-title { font-family: 'Syne', sans-serif; font-size: 36px; font-weight: 700; margin-bottom: 50px; text-align: center; }
.biz24-benefits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.biz24-benefit-item { padding: 30px; border-left: 4px solid var(--purple); background: var(--bg3); border-radius: 8px; }
.biz24-benefit-num { font-size: 14px; color: var(--purple); margin-bottom: 10px; font-weight: 600; }
.biz24-benefit-title { font-family: 'Syne', sans-serif; font-size: 22px; font-weight: 700; margin-bottom: 15px; }
.biz24-benefit-desc { font-size: 14px; color: var(--text2); line-height: 1.7; }

.biz24-clients { margin-bottom: 80px; }
.biz24-clients-title { font-family: 'Syne', sans-serif; font-size: 36px; font-weight: 700; text-align: center; margin-bottom: 50px; }
.biz24-clients-sub { font-size: 16px; color: var(--text2); text-align: center; margin-bottom: 40px; }
.biz24-clients-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 30px; align-items: center; justify-items: center; }
.biz24-client-logo { font-size: 16px; font-weight: 600; color: var(--text2); text-align: center; }

/* ── CTA SECTION ── */
.cta-section { background: var(--bg); padding: 120px 48px; position: relative; overflow: hidden; }
.cta-section::before {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 600px; height: 400px; background: radial-gradient(ellipse, rgba(123,108,230,0.12) 0%, transparent 70%); pointer-events: none;
}
.cta-inner { max-width: 800px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.cta-title { font-family: 'Syne', sans-serif; font-size: clamp(32px, 3.5vw, 48px); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 20px; }
.cta-sub { font-size: 17px; color: var(--text2); margin-bottom: 40px; line-height: 1.7; }
.cta-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto 16px; }

.cta-input {
  flex: 1; padding: 14px 18px; background: var(--bg3); border: 1px solid var(--border2);
  border-radius: 10px; color: var(--text); font-size: 15px; font-family: 'Pretendard', sans-serif; outline: none; transition: border-color 0.2s;
}
.cta-input:focus { border-color: var(--purple); }
.cta-input::placeholder { color: var(--text3); }
.cta-note { font-size: 13px; color: var(--text3); }


/* ==========================================================================
   4. PARTNERSHIP FORM SECTION (파트너십 메일 폼 전용 특화 레이아웃)
   ========================================================================== */
.partnership-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 24px 60px; /* 상하 컴팩트 가시성 여백 정규화 */
  background: var(--bg);
}

.form-container {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 16px;
  padding: 32px 40px; /* 안쪽 패딩을 슬림하게 정형화 */
  width: 100%;
  max-width: 580px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  margin: 0 auto;
}

.form-header { text-align: center; margin-bottom: 28px; }
.form-title { font-family: 'Syne', sans-serif; font-size: 28px; font-weight: 700; margin-bottom: 8px; }
.form-sub { font-size: 14px; color: var(--text2); }

.form-group { margin-bottom: 16px; text-align: left; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--text2); margin-bottom: 6px; }
.form-label span { color: var(--purple-light); }

.form-input, .form-select, .form-textarea {
  width: 100%; padding: 10px 14px; background: var(--bg); /* 위아래 패딩 밀도 최적화(10px) */
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-family: 'Pretendard', sans-serif; font-size: 14px; outline: none; transition: all 0.2s ease;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--purple); box-shadow: 0 0 0 1px var(--purple);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text3); }
.form-textarea { resize: vertical; min-height: 100px; } /* 메시지 창 슬림화 */
.form-select option { background: var(--bg3); color: var(--text); }

.checkbox-group { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; text-align: left; }
.checkbox-group input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--purple); cursor: pointer; flex-shrink: 0; }
.checkbox-group label { font-size: 13px; color: var(--text2); cursor: pointer; }

.btn-submit {
  width: 100%; padding: 14px; background: var(--purple); border: none; border-radius: 8px;
  color: #fff; font-size: 15px; font-weight: 600; font-family: 'Pretendard', sans-serif;
  cursor: pointer; transition: all 0.2s;
}
.btn-submit:hover { background: var(--purple-light); box-shadow: 0 0 24px var(--glow); transform: translateY(-2px); }


/* ==========================================================================
   5. FOOTER (공통 하단 정보 푸터)
   ========================================================================== */
footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 60px 48px 36px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }

.footer-brand .brand-name { font-family: 'Syne', sans-serif; font-size: 22px; font-weight: 700; letter-spacing: 0.05em; margin-bottom: 12px; color:#FFFFFF}
.footer-brand .brand-name span { color: var(--purple); }
.footer-brand p { font-size: 14px; color: var(--text2); line-height: 1.7; max-width: 280px; }

.footer-col-title { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 16px; letter-spacing: 0.05em; text-transform: uppercase; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: var(--text2); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }

.footer-bottom { border-top: 1px solid var(--border); padding-top: 28px; display: flex; justify-content: space-between; align-items: center; }
.footer-copy { font-size: 13px; color: var(--text3); }

.footer-company { border-top: 1px solid var(--border); margin-top: 32px; padding-top: 24px; }
.footer-company p { font-size: 12.5px; line-height: 1.9; color: var(--text3); }
.footer-company strong { color: var(--text2); font-weight: 700; }
.footer-company .sep { color: var(--border2); margin: 0 8px; }
.footer-company a { color: var(--text3); text-decoration: none; }
.footer-company a:hover { color: var(--purple-light); }

.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 13px; color: var(--text3); text-decoration: none; }
.footer-legal a:hover { color: var(--text2); }


/* ==========================================================================
   6. RESPONSIVE (공통 통합 미디어 쿼리 반응형 레이아웃)
   ========================================================================== */
@media (max-width: 1024px) {
  .pc-display{display:none;}
  nav { padding: 0 24px; }
  .nav-links { display: none; }
  .hamburger { display: block; background: none; border: 1px solid var(--border2); border-radius: 8px; padding: 7px 10px; cursor: pointer; color: var(--text2); font-size: 18px; }
  
  section, .hero, .cta-section { padding-left: 24px; padding-right: 24px; }
  footer { padding-left: 24px; padding-right: 24px; }
  
  .hero-inner {
      grid-template-columns: 1fr !important; /* 좌우 배치에서 상하 배치로 유연하게 전환 */
      gap: 40px !important;
      text-align: center;
    }
    .hero-actions {
      justify-content: center; /* 모바일에서 버튼 중앙 정렬 */
    }
    .hero-visual {
      display: block !important; /* style.css의 display:none을 무력화하고 강제로 노출 */
      max-width: 540px;
      margin: 0 auto;
      width: 100%;
    }
  .audience-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .plans-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .cta-form { flex-direction: column; }
  
  .btn-primary { display:none; }
}
/* ── PC 전용 2열(Grid) 레이아웃 스타일 ── */
  @media (min-width: 768px) {
    .form-container {
      max-width: 800px; /* 2열 배치를 위해 컨테이너 너비를 기존 580px에서 800px로 확장 */
    }
    .form-grid-2col {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0 20px; /* 좌우 간격 20px, 상하 간격은 form-group의 margin 유지 */
    }
    /* 문의유형, 문의내용, 동의사항, 버튼은 PC에서도 전체 너비(2칸 차지)로 지정 */
    .full-width {
      grid-column: span 2;
    }
  }
  
@media (max-width: 640px) {
  .features-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .plans-grid { grid-template-columns: 1fr; }
  .biz24-process { grid-template-columns: 1fr; }
  .biz24-plans-grid { grid-template-columns: 1fr; }
  .biz24-benefits-grid { grid-template-columns: 1fr; }
  .biz24-clients-grid { grid-template-columns: repeat(3, 1fr); }
  
  .footer-top { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; gap: 12px; align-items: center; }
  
  /* 파트너십 모바일 레이아웃 고도화 병합 */
  .partnership-section { padding: 90px 16px 40px; }
  .form-container { padding: 24px 20px; } 
}




/* ==========================================================================
   7. LIGHT THEME SUBPAGE (화이트 모드 서브페이지 전용 확장 스타일)
   ========================================================================== */
:root {
  /* 라이트 모드 전용 테마 변수 정의 */
  --light-bg: #ffffff;
  --light-bg2: #f8f9fa;
  --light-bg3: #ffffff;
  --light-text: #111111;
  --light-text2: #495057;
  --light-text3: #868e96;
  --light-border: rgba(0, 0, 0, 0.06);
  --light-border2: rgba(0, 0, 0, 0.09);
  --light-shadow: rgba(0, 0, 0, 0.04);
}

/* 라이트 모드 진입 시 바디 리셋 */
.light-theme-body {
  background: var(--light-bg) !important;
  color: var(--light-text) !important;
}

/* 내비게이션 바 강제 오버라이드 방지 및 시인성 확보 */
.light-theme-body nav {
  background: rgba(255, 255, 255, 0.96) !important;
  border-bottom: 1px solid var(--light-border) !important;
}
.light-theme-body .nav-logo-text {
  color: var(--light-text) !important;
}
.light-theme-body .nav-links a {
  color: var(--light-text2) !important;
}
.light-theme-body .nav-links a:hover {
  color: var(--purple) !important;
}
.light-theme-body .hamburger {
  color: var(--light-text) !important;
  border-color: var(--light-border2) !important;
}

/* 메인 서브 섹션 레이아웃 */
.light-section {
  padding: 160px 48px 100px; /* 상단 고정 헤더 영역 여백 확보 */
  background: var(--light-bg);
  min-height: 80vh;
}
.light-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* 폰트 및 요소 구조화 */
.light-header {
  text-align: center;
  margin-bottom: 56px;
}
.light-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--purple);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.light-tag::before {
  content: '';
  width: 16px;
  height: 1px;
  background: var(--purple);
}
.light-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 3.5vw, 46px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--light-text);
  margin-bottom: 18px;
}
.light-sub {
  font-size: 16px;
  color: var(--light-text2);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
}

/* 컨텐츠 카드 그리드 시스템 */
.light-content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.light-card {
  background: var(--light-bg3);
  border: 1px solid var(--light-border);
  border-radius: 16px;
  padding: 40px 32px;
  box-shadow: 0 10px 30px var(--light-shadow);
  transition: all 0.3s ease;
}
.light-card:hover {
  transform: translateY(-4px);
  border-color: var(--purple-light);
  box-shadow: 0 15px 35px rgba(123, 108, 230, 0.08);
}

.lc-icon {
  font-size: 32px;
  margin-bottom: 20px;
}
.lc-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--light-text);
  margin-bottom: 12px;
}
.lc-desc {
  font-size: 14px;
  color: var(--light-text2);
  line-height: 1.6;
}

/* 라이트 모드 서브페이지 전용 반응형 미디어 쿼리 */
@media (max-width: 1024px) {
  .light-section { padding-left: 24px; padding-right: 24px; }
  .light-content-grid { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 640px) {
  .light-section { padding-top: 120px; padding-bottom: 60px; }
  .light-card { padding: 30px 20px; }
}


/* ==========================================================================
   8.  회사소개 페이지 전용 내부 스타일 보완
   ========================================================================== */
body { font-family: 'Pretendard', sans-serif; word-break: keep-all; }
.samsung-blue { color: #002C5F; }
.samsung-bg { background-color: #002C5F; }
.section-padding { padding-top: 100px; padding-bottom: 100px; }
.fade-in { animation: fadeIn 1s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.nav-link { position: relative; padding-bottom: 4px; }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: #002C5F; transition: width 0.3s; }
.nav-link:hover::after { width: 100%; }
.card-hover:hover { transform: translateY(-10px); transition: all 0.3s ease; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }


/* ==========================================================================
   9.  반응형 폼 스타일 업데이트
   ========================================================================== */

.partnership-section {
    /* padding: 40px 20px; *//* 기존 60px에서 패딩을 줄여 상하 여백 최적화 */
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Pretendard', sans-serif;
  }

  .form-container {
    width: 60%;
    max-width: 1000px; /* PC 너비를 살짝 줄여 더 짜임새 있게 조정 */
    background: #ffffff;
    border-radius: 12px; /* 둥근 모서리 살짝 축소 */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    padding: 32px; /* 내부 여백 축소 */
    box-sizing: border-box;
  }

  .form-header {
    text-align: center;
    margin-bottom: 28px; /* 헤더 아래 공백 축소 (기존 40px) */
  }

  .section-tag {
    display: inline-flex;
    padding: 4px 12px; /* 태그 크기 축소 */
    background: #eef2ff;
    color: #4f46e5;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
  }

  .form-title {
    font-size: 24px; /* 타이틀 크기 축소 (기존 28px) */
    font-weight: 700;
    color: #111827;
    margin: 12px 0 6px 0;
    letter-spacing: -0.5px;
  }

  .form-sub {
    font-size: 14px;
    color: #6b7280;
  }

  /* 2단 그리드 레이아웃 */
  .form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 20px; /* 행(위아래) 간격은 16px로 콤팩트하게, 열 간격은 20px */
  }

  /* 전체 너비를 써야 하는 필드 */
  .full-width {
    grid-column: span 2;
  }

  .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px; /* 라벨과 인풋 사이 간격 축소 (기존 8px) */
  }

  .form-label {
    font-size: 13px; /* 라벨 폰트 크기 축소 (기존 14px) */
    font-weight: 600;
    color: #374151;
  }

  .form-label span {
    color: #ef4444;
  }

  /* 🛠️ 인풋 높이(Height) 축소 핵심 설정 */
  .form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px 14px; /* 상하 패딩을 14px -> 10px로 줄여 높이 감소 */
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px; /* 폰트 크기 축소 (기존 15px) */
    color: #111827;
    background-color: #fff;
    box-sizing: border-box;
    transition: all 0.2s ease-in-out;
  }

  .form-input::placeholder, .form-textarea::placeholder {
    color: #9ca3af;
  }

  .form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
  }

  .form-textarea {
    height: 110px; /* 기존 160px에서 110px로 세로 폭 대폭 축소 */
    resize: vertical;
  }

  /* 동의 섹션 및 버튼 */
  .checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    padding: 4px 2px;
  }

  .checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: #4f46e5;
  }

  .checkbox-group label {
    font-size: 13px;
    color: #4b5563;
    cursor: pointer;
    user-select: none;
  }

  .btn-submit {
    width: 100%;
    max-width: 28px0px;
    margin: 24px auto 0 auto; /* 버튼 상단 마진 축소 */
    display: block;
    padding: 12px; /* 버튼 상하 패딩 축소 */
    background: #4f46e5;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
  }

  .btn-submit:hover {
    background: #4338ca;
  }

  /* ─── 모바일 / 태블릿 반응형 ─── */
  @media (max-width: 768px) {
    .partnership-section {
      /* 🛠️ 모바일 상단 고정 nav에 딱 붙지 않도록 상단 마진(여백) 추가 */
      margin-top: 20px; 
     /* padding: 24px 16px;*/
    }

    .form-container {
      padding: 20px 16px; /* 모바일 내부 여백 타이트하게 조정 */
	  width: 100%;	  
    }

    .form-title {
      font-size: 20px;
    }

    /* 모바일 1열 전환 및 간격 축소 */
    .form-grid {
      grid-template-columns: 1fr;
      gap: 12px; /* 모바일 필드간 간격을 12px로 줄여 스크롤 최소화 */
    }

    .full-width {
      grid-column: span 1;
    }

    .btn-submit {
      max-width: 100%;
      margin-top: 16px;
    }
  }
  
/* ==========================================================================
   10. MOBILE SLIDE MENU (모바일 전용 슬라이드 오버레이 메뉴 스타일)
   ========================================================================== */
/* 슬라이드 메뉴 본체 */
.mobile-slide-menu {
  position: fixed;
  top: 0;
  right: -280px; /* 초기 상태에는 우측 화면 밖에 숨김 */
  width: 280px;
  height: 100vh;
  background: #ffffff;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  padding: 32px 24px;
  box-sizing: border-box;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* 부드러운 가속도 효과 */
}

/* 자바스크립트에 의해 활성화 되었을 때 왼쪽으로 미끄러져 들어옴 */
.mobile-slide-menu.active {
  transform: translateX(-280px);
}

/* 닫기 버튼 (✕) */
.menu-close-btn {
  font-size: 22px;
  color: #111111;
  text-align: right;
  cursor: pointer;
  margin-bottom: 40px;
  transition: color 0.2s;
}
.menu-close-btn:hover {
  color: var(--purple);
}

/* 메뉴 링크 리스트 */
.mobile-menu-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.mobile-menu-links li a {
  font-size: 16px;
  font-weight: 500;
  color: #333333;
  text-decoration: none;
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
  transition: all 0.2s ease;
}
.mobile-menu-links li a:hover {
  color: var(--purple);
  padding-left: 6px; /* 호버 시 살짝 밀리는 세련된 인터랙션 */
}

/* 뒷배경 어두운 투명 오버레이 패널 */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(3px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}  