/* ===================================================
   세이브온에너지 - RE100/ESG 에너지전환 사업 홈페이지
   style.css
   =================================================== */

/* -----  RESET & BASE  ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green-primary:  #1a9e5c;
  --green-dark:     #127a43;
  --green-light:    #e8f7ef;
  --green-xlight:   #f0faf5;
  --blue-accent:    #1e6fd9;
  --blue-light:     #e8f1fd;
  --orange-accent:  #f07b22;
  --purple-accent:  #7b52d4;
  --teal-accent:    #0ea8a8;
  --red-accent:     #e03838;
  --dark:           #0f1c14;
  --dark-card:      #162010;
  --gray-900:       #1a1a1a;
  --gray-700:       #3d3d3d;
  --gray-500:       #777;
  --gray-300:       #bbb;
  --gray-100:       #f5f5f5;
  --white:          #ffffff;
  --shadow-sm:      0 2px 8px rgba(0,0,0,.08);
  --shadow-md:      0 6px 24px rgba(0,0,0,.12);
  --shadow-lg:      0 16px 48px rgba(0,0,0,.15);
  --radius-sm:      8px;
  --radius-md:      14px;
  --radius-lg:      22px;
  --font-main:      'Noto Sans KR', 'Inter', sans-serif;
  --transition:     0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font-main); border: none; outline: none; }

/* -----  SCROLLBAR  ----- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f0f0f0; }
::-webkit-scrollbar-thumb { background: var(--green-primary); border-radius: 3px; }

/* ===================================================
   NAVIGATION
   =================================================== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, .08);
  box-shadow: 0 2px 16px rgba(0,0,0,.07);
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 4px 24px rgba(0,0,0,.12);
}

.nav-container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex; align-items: center; gap: 32px;
}

.nav-logo {
  display: flex; align-items: center; gap: 0px;
  font-size: 1.2rem; font-weight: 800; color: var(--dark);
  white-space: nowrap;
}
.nav-logo .logo-text { color: var(--dark) !important; }
.nav-logo .logo-icon { color: var(--green-primary); font-size: 1.4rem; }

.nav-menu {
  list-style: none;
  display: flex; gap: 8px;
  margin-left: auto;
}
.nav-menu a {
  color: var(--gray-700);
  padding: 6px 12px; border-radius: var(--radius-sm);
  font-size: .88rem; font-weight: 500;
  transition: var(--transition);
}
.nav-menu a:hover { color: var(--green-dark); background: var(--green-light); }

.nav-cta {
  background: var(--green-primary);
  color: var(--white);
  padding: 9px 20px; border-radius: 50px;
  font-size: .88rem; font-weight: 700;
  white-space: nowrap;
  transition: var(--transition);
}
.nav-cta:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26,158,92,.4); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; padding: 4px;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--dark); border-radius: 2px; transition: var(--transition); }

/* ===================================================
   HERO SECTION
   =================================================== */
#hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0a1a0e 0%, #0f2918 40%, #0d2416 70%, #091510 100%);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  padding: 120px 24px 0;
}

.hero-bg-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 40%, rgba(26,158,92,.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 70% 60%, rgba(30,111,217,.12) 0%, transparent 70%);
}

.hero-particles {
  position: absolute; inset: 0; pointer-events: none;
}
.particle {
  position: absolute; border-radius: 50%;
  background: rgba(26,158,92,.5);
  animation: float linear infinite;
}

@keyframes float {
  0%   { transform: translateY(0) rotate(0deg); opacity: .8; }
  100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
}

.hero-content {
  position: relative; z-index: 2;
  text-align: center; max-width: 860px;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(26,158,92,.2); border: 1px solid rgba(26,158,92,.4);
  color: #6ee8a8; padding: 6px 18px; border-radius: 50px;
  font-size: .82rem; font-weight: 600; letter-spacing: .05em;
  margin-bottom: 28px;
  animation: fadeDown .8s ease both;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900; color: var(--white);
  line-height: 1.25; margin-bottom: 20px;
  animation: fadeDown .9s .1s ease both;
}
.hero-title .highlight {
  background: linear-gradient(90deg, #4ef0a0, #22c9a0, #1a9e5c);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  color: rgba(255,255,255,.7); font-size: 1.05rem;
  margin-bottom: 36px; line-height: 1.8;
  animation: fadeDown 1s .2s ease both;
}

.hero-actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  animation: fadeDown 1s .3s ease both;
}

.btn-primary {
  background: var(--green-primary); color: var(--white);
  padding: 14px 32px; border-radius: 50px;
  font-size: 1rem; font-weight: 700;
  display: flex; align-items: center; gap: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(26,158,92,.4);
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(26,158,92,.5); }

.btn-outline {
  background: transparent; color: var(--white);
  border: 2px solid rgba(255,255,255,.4);
  padding: 14px 32px; border-radius: 50px;
  font-size: 1rem; font-weight: 700;
  display: flex; align-items: center; gap: 8px;
  transition: var(--transition);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.08); transform: translateY(-2px); }

/* Hero Stats */
.hero-stats {
  position: relative; z-index: 2;
  width: 100%; max-width: 1100px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  padding: 40px 24px 56px;
  animation: fadeUp 1s .5s ease both;
}

.stat-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.1); border-color: rgba(26,158,92,.4); }
.stat-card.featured { border-color: rgba(26,158,92,.6); background: rgba(26,158,92,.15); }

.stat-icon {
  font-size: 1.6rem; color: var(--green-primary); margin-bottom: 12px;
}
.stat-card.featured .stat-icon { color: #6ee8a8; }
.stat-value { font-size: 1.8rem; font-weight: 900; color: var(--white); line-height: 1; }
.stat-unit { font-size: .75rem; font-weight: 500; color: rgba(255,255,255,.6); margin-left: 3px; }
.stat-label { font-size: .78rem; color: rgba(255,255,255,.6); margin-top: 8px; }

/* ===================================================
   SECTION COMMONS
   =================================================== */
.section { padding: 100px 24px; }
.section-dark { background: var(--dark); }
.section-light { background: var(--gray-100); }
.section-green { background: linear-gradient(135deg, #0f2918 0%, #15362a 100%); }

.container { max-width: 1100px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: .78rem; font-weight: 700; letter-spacing: .1em;
  padding: 5px 14px; border-radius: 50px;
  margin-bottom: 16px; text-transform: uppercase;
}
.section-tag.light {
  background: rgba(26,158,92,.2); color: #6ee8a8;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900; line-height: 1.25; margin-bottom: 16px;
  color: var(--gray-900);
}
.section-title.light { color: var(--white); }
.section-title .highlight {
  background: linear-gradient(90deg, var(--green-primary), #00c86e);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-title .highlight-light {
  background: linear-gradient(90deg, #6ee8a8, #22c9a0);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-desc { color: var(--gray-500); font-size: 1rem; max-width: 640px; margin: 0 auto; }
.section-desc.light { color: rgba(255,255,255,.65); }

/* ===================================================
   RE100 TREND
   =================================================== */
.re100-stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-bottom: 48px;
}

.re100-stat-card {
  background: var(--white); border: 1px solid #e5e7eb;
  border-radius: var(--radius-md); padding: 28px 20px;
  text-align: center; position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.re100-stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.re100-stat-card.featured-card {
  border-color: var(--green-primary);
  box-shadow: 0 0 0 2px rgba(26,158,92,.15), var(--shadow-md);
}

.re100-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--green-primary); color: var(--white);
  font-size: .7rem; font-weight: 700; padding: 3px 12px; border-radius: 50px;
  white-space: nowrap;
}

.re100-icon { font-size: 1.8rem; margin-bottom: 12px; }
.re100-stat-card.global  .re100-icon { color: var(--blue-accent); }
.re100-stat-card.korea   .re100-icon { color: var(--orange-accent); }
.re100-stat-card.kre100  .re100-icon { color: var(--green-primary); }
.re100-stat-card.power   .re100-icon { color: var(--purple-accent); }

.re100-number {
  font-size: 2.2rem; font-weight: 900; color: var(--gray-900); line-height: 1;
  margin-bottom: 8px;
}
.re100-number span { font-size: 1rem; font-weight: 600; color: var(--gray-500); margin-left: 3px; }
.re100-title { font-size: .9rem; font-weight: 700; color: var(--gray-700); margin-bottom: 10px; }
.re100-detail { font-size: .78rem; color: var(--gray-500); line-height: 1.6; margin-bottom: 8px; }
.re100-detail strong { color: var(--green-dark); }
.re100-source { font-size: .7rem; color: var(--gray-300); }

/* Insight Box */
.insight-box {
  background: linear-gradient(135deg, #f0faf5, #e8f7ef);
  border: 1px solid rgba(26,158,92,.25);
  border-left: 4px solid var(--green-primary);
  border-radius: var(--radius-md);
  padding: 32px; margin-bottom: 48px;
}
.insight-title {
  font-size: 1.05rem; font-weight: 800; color: var(--green-dark);
  margin-bottom: 24px; display: flex; align-items: center; gap: 8px;
}
.insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.insight-item { display: flex; gap: 14px; }
.insight-num {
  font-size: 1.6rem; font-weight: 900; color: rgba(26,158,92,.25);
  line-height: 1; flex-shrink: 0;
}
.insight-item p { font-size: .88rem; color: var(--gray-700); line-height: 1.7; }
.insight-item strong { color: var(--green-dark); }

/* ===================================================
   CHARTS
   =================================================== */
.chart-container {
  background: var(--white); border: 1px solid #e5e7eb;
  border-radius: var(--radius-md); padding: 32px;
  box-shadow: var(--shadow-sm);
}
.chart-title {
  font-size: 1rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: 20px; display: flex; align-items: center; gap: 8px;
}
.chart-title i { color: var(--green-primary); }
.chart-wrap { position: relative; }
.chart-source { font-size: .72rem; color: var(--gray-300); margin-top: 12px; }
.chart-note { font-size: .72rem; color: var(--gray-400, #999); margin-top: 10px; }

/* ===================================================
   BUSINESS MODEL (DARK)
   =================================================== */
.biz-flow {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg); padding: 36px;
  margin-bottom: 48px;
}
.biz-flow-title {
  font-size: .78rem; font-weight: 700; color: rgba(255,255,255,.5);
  letter-spacing: .12em; text-transform: uppercase; margin-bottom: 28px;
}
.biz-flow-steps {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.flow-step {
  flex: 1; min-width: 120px;
  text-align: center; padding: 20px 12px;
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.flow-step:hover { background: rgba(26,158,92,.12); border-color: rgba(26,158,92,.3); }
.flow-step.highlighted-step { background: rgba(26,158,92,.15); border-color: rgba(26,158,92,.5); }

.flow-icon { font-size: 1.6rem; color: var(--green-primary); margin-bottom: 10px; }
.highlighted-step .flow-icon { color: #6ee8a8; }
.flow-label { font-size: .88rem; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.flow-desc { font-size: .75rem; color: rgba(255,255,255,.55); line-height: 1.5; }

.flow-arrow { color: rgba(255,255,255,.3); font-size: 1rem; flex-shrink: 0; }

/* Benefits grid */
.benefits-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-bottom: 48px;
}
.benefit-card {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md); padding: 28px 24px;
  transition: var(--transition);
}
.benefit-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.08); border-color: rgba(26,158,92,.3); }
.benefit-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-bottom: 16px;
}
.benefit-icon.green  { background: rgba(26,158,92,.15); color: #4ef0a0; }
.benefit-icon.blue   { background: rgba(30,111,217,.15); color: #72aef0; }
.benefit-icon.orange { background: rgba(240,123,34,.15); color: #f0a06a; }
.benefit-icon.purple { background: rgba(123,82,212,.15); color: #b096e8; }
.benefit-icon.teal   { background: rgba(14,168,168,.15); color: #6ed8d8; }
.benefit-icon.red    { background: rgba(224,56,56,.15); color: #f08080; }

.benefit-card h3 { font-size: .98rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.benefit-card p  { font-size: .82rem; color: rgba(255,255,255,.55); line-height: 1.7; }

/* Comparison Table */
.comparison-table-wrap { overflow-x: auto; }
.compare-title {
  font-size: 1rem; font-weight: 700; color: var(--white);
  margin-bottom: 20px; display: flex; align-items: center; gap: 8px;
}
.compare-title i { color: var(--green-primary); }

.compare-table { min-width: 600px; border-radius: var(--radius-md); overflow: hidden; }
.compare-header,
.compare-row { display: grid; grid-template-columns: 160px repeat(4, 1fr); }

.compare-header { background: rgba(26,158,92,.2); }
.compare-row { background: rgba(255,255,255,.03); }
.compare-row.alt { background: rgba(255,255,255,.06); }

.compare-col {
  padding: 14px 16px; font-size: .84rem; color: rgba(255,255,255,.75);
  border-right: 1px solid rgba(255,255,255,.06);
  display: flex; align-items: center;
}
.compare-col:last-child { border-right: none; }
.compare-col.head { font-weight: 700; color: var(--white); font-size: .82rem; }
.compare-col.label { font-weight: 600; color: rgba(255,255,255,.9); }
.compare-col.featured-col { background: rgba(26,158,92,.12); color: #6ee8a8; font-weight: 700; }
.text-red { color: #ff8080; }
.text-green { color: #6ee8a8; }

/* ===================================================
   RE100 상세 비교표 (6행 9열)
   =================================================== */
.re100-compare-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.1);
}
.re100-table {
  width: 100%;
  min-width: 960px;
  border-collapse: collapse;
  font-size: .82rem;
  background: rgba(255,255,255,.03);
}
.re100-table thead tr {
  background: rgba(26,158,92,.22);
  border-bottom: 2px solid rgba(26,158,92,.4);
}
.re100-table thead th {
  padding: 13px 10px;
  color: #fff;
  font-weight: 700;
  font-size: .8rem;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.08);
  white-space: nowrap;
  line-height: 1.4;
}
.re100-table thead th:last-child { border-right: none; }
.re100-table thead th.col-method { text-align: left; min-width: 130px; padding-left: 16px; }

.re100-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background .2s;
}
.re100-table tbody tr:hover { background: rgba(255,255,255,.05); }
.re100-table tbody tr.row-alt { background: rgba(255,255,255,.045); }
.re100-table tbody tr.row-alt:hover { background: rgba(255,255,255,.08); }
.re100-table tbody tr.row-best {
  background: rgba(26,158,92,.14);
  border-top: 2px solid rgba(26,158,92,.5);
  border-bottom: 2px solid rgba(26,158,92,.5);
}
.re100-table tbody tr.row-best:hover { background: rgba(26,158,92,.22); }

.re100-table tbody td {
  padding: 12px 10px;
  color: rgba(255,255,255,.8);
  border-right: 1px solid rgba(255,255,255,.06);
  vertical-align: middle;
  text-align: center;
}
.re100-table tbody td:last-child { border-right: none; }
.re100-table tbody td.col-method {
  text-align: left;
  padding-left: 14px;
  white-space: nowrap;
}

/* 이행수단 셀 */
.method-icon { font-size: 1.2rem; display: block; margin-bottom: 4px; }
.method-name { font-weight: 700; color: #fff; font-size: .85rem; line-height: 1.4; }
.brand-name { color: #6ee8a8; font-weight: 600; font-size: .75rem; }

/* 인정 배지 */
.cert-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: .73rem;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
}
.cert-full {
  background: rgba(34,197,94,.15);
  color: #86efac;
  border: 1px solid rgba(34,197,94,.3);
}
.cert-full i { color: #22c55e; }
.cert-partial {
  background: rgba(234,179,8,.12);
  color: #fde68a;
  border: 1px solid rgba(234,179,8,.25);
}
.cert-best {
  background: rgba(34,197,94,.25) !important;
  color: #bbf7d0 !important;
  border: 1px solid rgba(34,197,94,.5) !important;
}

/* 레벨 텍스트 */
.level-text { font-weight: 700; font-size: .8rem; display: block; margin-bottom: 4px; }
.level-low   { color: #86efac; }
.level-vlow  { color: #86efac; }
.level-mid   { color: #fde68a; }
.level-lmid  { color: #fde68a; }
.level-high  { color: #86efac; }
.level-vhigh { color: #86efac; }
.level-none  { color: #fca5a5; }
.level-high-warn { color: #fca5a5; }
.level-best  { color: #6ee8a8; }

.level-sub {
  font-size: .71rem;
  color: rgba(255,255,255,.45);
  margin-top: 2px;
}

/* 바 그래프 */
.level-bar {
  height: 5px;
  background: rgba(255,255,255,.1);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 5px;
}
.bar-fill { height: 100%; border-radius: 3px; transition: width .6s ease; }
.bar-green  { background: #22c55e; }
.bar-orange { background: #f59e0b; }
.bar-red    { background: #ef4444; }
.bar-best   { background: #16a34a; }

/* 별점 */
.stars { font-size: 1rem; color: #d1d5db; letter-spacing: 1px; }
.stars-good { color: #22c55e; }
.stars-best { color: #f59e0b; font-size: 1.05rem; }

/* 비고 */
.col-note { font-size: .76rem; color: rgba(255,255,255,.55); white-space: nowrap; }
.col-note-best { color: #6ee8a8 !important; font-weight: 700 !important; }

/* 범례 */
.compare-legend {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}
.legend-item {
  display: flex; align-items: center; gap: 5px;
  font-size: .76rem; color: rgba(255,255,255,.6);
}
.legend-dot {
  width: 10px; height: 10px; border-radius: 50%; display: inline-block;
}
.dot-green  { background: #22c55e; }
.dot-orange { background: #f59e0b; }
.dot-red    { background: #ef4444; }
.legend-sep { color: rgba(255,255,255,.2); font-size: 1rem; }

/* 반응형 */
@media (max-width: 768px) {
  .re100-table { min-width: 800px; font-size: .75rem; }
  .re100-table thead th, .re100-table tbody td { padding: 9px 7px; }
}

/* ===================================================
   ECONOMICS SECTION
   =================================================== */
.econ-cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-bottom: 40px;
}
.econ-card {
  background: var(--white); border: 1px solid #e5e7eb;
  border-radius: var(--radius-md); padding: 24px 20px; text-align: center;
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.econ-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.econ-card.highlight-card {
  border-color: var(--green-primary);
  background: var(--green-xlight);
  box-shadow: 0 0 0 2px rgba(26,158,92,.1), var(--shadow-md);
}

.econ-label { font-size: .78rem; font-weight: 600; color: var(--gray-500); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px; }
.econ-value { font-size: 2rem; font-weight: 900; color: var(--gray-900); line-height: 1; }
.econ-value span { font-size: .8rem; font-weight: 500; color: var(--gray-500); margin-left: 2px; }
.econ-sub { font-size: .72rem; color: var(--gray-400, #aaa); margin-top: 6px; }
.highlight-card .econ-value { color: var(--green-dark); }

.chart-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px;
}
.chart-box {
  background: var(--white); border: 1px solid #e5e7eb;
  border-radius: var(--radius-md); padding: 28px;
  box-shadow: var(--shadow-sm);
}
.chart-box.full-width { margin-bottom: 40px; }

/* Carbon Section */
.carbon-section {
  background: linear-gradient(135deg, #f0faf5, #e4f7ec);
  border: 1px solid rgba(26,158,92,.2);
  border-radius: var(--radius-lg); padding: 40px;
}
.carbon-title {
  font-size: 1.1rem; font-weight: 800; color: var(--green-dark);
  margin-bottom: 32px; display: flex; align-items: center; gap: 8px;
}
.carbon-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.carbon-item { text-align: center; }
.carbon-icon { font-size: 2rem; color: var(--green-primary); margin-bottom: 12px; }
.carbon-value { font-size: 1.8rem; font-weight: 900; color: var(--gray-900); }
.carbon-value span { font-size: .8rem; font-weight: 500; color: var(--gray-500); margin-left: 4px; }
.carbon-label { font-size: .78rem; color: var(--gray-500); margin-top: 6px; line-height: 1.5; }

/* ===================================================
   PROCESS TIMELINE
   =================================================== */
.process-timeline {
  max-width: 800px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 0;
}
.process-step {
  display: flex; gap: 28px; align-items: flex-start;
  position: relative; padding-bottom: 40px;
}
.process-step:last-child { padding-bottom: 0; }
.process-step::before {
  content: '';
  position: absolute; left: 23px; top: 50px; bottom: 0;
  width: 2px; background: linear-gradient(180deg, var(--green-primary), rgba(26,158,92,.1));
}
.process-step:last-child::before { display: none; }

.step-circle {
  width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
  background: var(--green-primary); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 900; z-index: 1;
  box-shadow: 0 0 0 4px rgba(26,158,92,.15);
}
.step-circle.step-final {
  background: linear-gradient(135deg, #1a9e5c, #0ea8a8);
  box-shadow: 0 0 0 4px rgba(26,158,92,.2), 0 0 20px rgba(26,158,92,.3);
  font-size: .7rem;
}

.step-content { flex: 1; padding-top: 8px; }
.step-content h3 { font-size: 1.05rem; font-weight: 800; color: var(--gray-900); margin-bottom: 8px; }
.step-content p  { font-size: .88rem; color: var(--gray-500); line-height: 1.7; margin-bottom: 10px; }
.step-duration {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--gray-100); color: var(--gray-700);
  font-size: .75rem; font-weight: 600; padding: 4px 12px;
  border-radius: 50px;
}
.step-duration.re100-tag { background: var(--green-light); color: var(--green-dark); font-size: .8rem; }

/* ===================================================
   WHY US (GREEN DARK)
   =================================================== */
.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.why-card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md); padding: 28px 22px;
  text-align: center; transition: var(--transition);
}
.why-card:hover { transform: translateY(-4px); background: rgba(26,158,92,.15); border-color: rgba(26,158,92,.4); }
.why-icon { font-size: 2rem; color: #6ee8a8; margin-bottom: 16px; }
.why-card h3 { font-size: .95rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.why-card p  { font-size: .8rem; color: rgba(255,255,255,.55); line-height: 1.7; }

/* ===================================================
   CONTACT
   =================================================== */
.contact-wrap {
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start;
}

.contact-info h3 {
  font-size: 1.5rem; font-weight: 900; color: var(--gray-900); margin-bottom: 6px;
}
.contact-tagline { font-size: .88rem; color: var(--green-primary); font-weight: 600; margin-bottom: 28px; }

.contact-items { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.contact-item {
  display: flex; align-items: center; gap: 12px;
  font-size: .9rem; color: var(--gray-700);
}
.contact-item i { color: var(--green-primary); width: 18px; text-align: center; }

.contact-highlight-box {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--green-xlight); border: 1px solid rgba(26,158,92,.2);
  border-radius: var(--radius-md); padding: 18px;
  font-size: .82rem; color: var(--gray-700); line-height: 1.6;
}
.chb-icon { font-size: 1.4rem; color: var(--green-primary); flex-shrink: 0; margin-top: 2px; }
.contact-highlight-box strong { color: var(--green-dark); display: block; margin-bottom: 4px; }

/* Form */
.contact-form {
  background: var(--white); border: 1px solid #e5e7eb;
  border-radius: var(--radius-lg); padding: 36px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: .82rem; font-weight: 700; color: var(--gray-700); }
.required { color: var(--green-primary); }

.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid #e0e0e0; border-radius: var(--radius-sm);
  padding: 11px 14px; font-size: .9rem; font-family: var(--font-main);
  color: var(--gray-900); background: #fafafa;
  transition: var(--transition); resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-primary); outline: none;
  background: var(--white); box-shadow: 0 0 0 3px rgba(26,158,92,.1);
}

.btn-submit {
  width: 100%; background: var(--green-primary); color: var(--white);
  padding: 15px; border-radius: var(--radius-sm);
  font-size: 1rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: var(--transition);
}
.btn-submit:hover { background: var(--green-dark); box-shadow: 0 4px 20px rgba(26,158,92,.3); }
.btn-submit:disabled { opacity: 0.65; cursor: not-allowed; }

/* 폼 결과 메시지 */
.form-result {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 12px;
}
.form-result.success {
  background: #e8f8f0;
  color: #1a7a4a;
  border: 1.5px solid #a3d9be;
}
.form-result.error {
  background: #fff0f0;
  color: #c0392b;
  border: 1.5px solid #f5b8b8;
}

/* ===================================================
   FOOTER
   =================================================== */
#footer {
  background: var(--dark); padding: 48px 24px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-container { max-width: 900px; margin: 0 auto; text-align: center; }
.footer-logo {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 1.2rem; font-weight: 800; color: var(--white); margin-bottom: 12px;
}
.footer-logo .logo-icon { color: var(--green-primary); }
.footer-tagline { font-size: .85rem; color: rgba(255,255,255,.5); margin-bottom: 24px; }
.footer-links {
  display: flex; gap: 20px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 24px;
}
.footer-links a {
  font-size: .82rem; color: rgba(255,255,255,.5);
  transition: var(--transition);
}
.footer-links a:hover { color: #6ee8a8; }
.footer-disclaimer {
  font-size: .72rem; color: rgba(255,255,255,.3);
  line-height: 1.7; margin-bottom: 16px;
}
.footer-copy { font-size: .75rem; color: rgba(255,255,255,.25); }

/* ===================================================
   LOGO IMAGE (NAV & FOOTER)
   =================================================== */
.nav-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
  /* 원본 PNG 투명 배경 그대로 표시 — filter 없음 */
}
.logo-text-main {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--white);
  white-space: nowrap;
}
.footer-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

/* SVG 로고 래퍼 */
.logo-icon-svg,
.footer-logo-svg {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-icon-svg svg,
.footer-logo-svg svg {
  display: block;
}

/* nav-logo 전체 정렬 */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--dark);
  white-space: nowrap;
}
.nav-logo .logo-text {
  color: var(--dark);
}

/* 파일 기반 SVG 로고 */
.nav-logo-img-file {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
}
.nav-logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: #1e3561;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.footer-logo-img-file {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  margin: 0;
  filter: brightness(0) invert(1);
}

/* 인라인 심볼 SVG */
.nav-symbol-svg {
  display: block;
  flex-shrink: 0;
}
.nav-logo-text {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--dark);
  white-space: nowrap;
  letter-spacing: -0.3px;
}

/* ===================================================
   TARIFF NOTICE (요금제 기준 안내)
   =================================================== */
.tariff-notice {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: linear-gradient(135deg, #f0f7ff, #e8f1fd);
  border: 1.5px solid #c2d9f8;
  border-left: 5px solid var(--blue-accent);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-top: 16px;
}
.tariff-notice-icon {
  font-size: 1.3rem;
  color: var(--blue-accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.tariff-notice-text {
  font-size: .85rem;
  color: #2a4a70;
  line-height: 1.8;
}
.tariff-notice-text strong {
  color: #1a3a6c;
  display: inline;
}

/* ===================================================
   LEASE NOTICE BANNER (경제성 분석)
   =================================================== */
.lease-notice {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: linear-gradient(135deg, #fff8e8, #fffaf0);
  border: 1.5px solid #f5c842;
  border-left: 5px solid #f5a800;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 32px;
  box-shadow: 0 2px 12px rgba(245,168,0,.1);
}
.lease-notice-icon {
  font-size: 1.4rem;
  color: #f5a800;
  flex-shrink: 0;
  margin-top: 2px;
}
.lease-notice-text {
  font-size: .88rem;
  color: #5a4200;
  line-height: 1.8;
}
.lease-notice-text strong {
  color: #c47a00;
}

/* ===================================================
   PROCESS NOTICE BANNER
   =================================================== */
.process-notice {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f0f7ff;
  border: 1.5px solid #b3d4f8;
  border-left: 5px solid var(--blue-accent);
  border-radius: var(--radius-md);
  padding: 16px 22px;
  margin-bottom: 40px;
  font-size: .88rem;
  color: #2a4a70;
  line-height: 1.7;
}
.process-notice i {
  color: var(--blue-accent);
  font-size: 1.2rem;
  flex-shrink: 0;
}
.process-notice strong {
  color: #1e4d8c;
}

/* ===================================================
   TOAST
   =================================================== */
.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--gray-900); color: var(--white);
  padding: 14px 28px; border-radius: 50px;
  font-size: .88rem; font-weight: 600;
  opacity: 0; pointer-events: none; z-index: 9999;
  transition: opacity .3s, transform .3s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--green-primary); }
.toast.error   { background: var(--red-accent); }

/* ===================================================
   ANIMATIONS
   =================================================== */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}

.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===================================================
   BIZ COMPARE CARDS (사업 방식 3종 비교)
   =================================================== */
.biz-compare-section {
  margin-top: 56px;
}
.biz-compare-title {
  font-size: 1rem; font-weight: 700; color: var(--white);
  margin-bottom: 24px; display: flex; align-items: center; gap: 8px;
}
.biz-compare-title i { color: var(--green-primary); }

.biz-compare-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}

.biz-card {
  background: rgba(255,255,255,.06);
  border: 1.5px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: var(--transition);
}
.biz-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,.09);
}

/* 추천 카드 */
.biz-card--best {
  background: rgba(26,158,92,.12);
  border: 2px solid var(--green-primary);
  box-shadow: 0 0 0 4px rgba(26,158,92,.08), 0 12px 40px rgba(26,158,92,.15);
}
.biz-card--best:hover {
  background: rgba(26,158,92,.16);
  transform: translateY(-6px);
  box-shadow: 0 0 0 4px rgba(26,158,92,.12), 0 20px 48px rgba(26,158,92,.2);
}

.biz-card__badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--green-primary); color: var(--white);
  font-size: .72rem; font-weight: 700; padding: 5px 14px;
  border-radius: 50px; margin-bottom: 14px;
  box-shadow: 0 2px 10px rgba(26,158,92,.4);
}

.biz-card__option {
  font-size: .72rem; font-weight: 700; letter-spacing: .1em;
  color: rgba(255,255,255,.45); text-transform: uppercase; margin-bottom: 8px;
}
.biz-card--best .biz-card__option { color: rgba(110,232,168,.7); }

.biz-card__title {
  font-size: 1.3rem; font-weight: 900; color: var(--white);
  margin-bottom: 12px; line-height: 1.3;
}
.biz-card--best .biz-card__title { color: #e0fff0; }

.biz-card__tag {
  display: inline-block; font-size: .75rem; font-weight: 600;
  padding: 4px 12px; border-radius: 50px; margin-bottom: 20px;
}
.best-tag    { background: rgba(26,158,92,.25); color: #6ee8a8; border: 1px solid rgba(26,158,92,.4); }
.neutral-tag { background: rgba(255,255,255,.08); color: rgba(255,255,255,.6); border: 1px solid rgba(255,255,255,.12); }

.biz-card__rows { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.biz-card__row  { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.biz-row-label  { font-size: .78rem; color: rgba(255,255,255,.55); flex-shrink: 0; }
.biz-row-value  { font-size: .82rem; font-weight: 700; color: var(--white); text-align: right; }
.best-value     { color: #6ee8a8; font-size: .88rem; }
.warn-value     { color: rgba(255,180,80,.9); font-size: .78rem; text-align: right; }
.biz-row-value small { display: block; font-size: .7rem; font-weight: 400; color: rgba(255,255,255,.5); }

.biz-badge {
  display: inline-block; padding: 3px 12px;
  border-radius: 50px; font-size: .75rem; font-weight: 700;
}
.biz-badge--none { background: rgba(26,158,92,.2); color: #6ee8a8; border: 1px solid rgba(26,158,92,.3); }
.biz-badge--good { background: rgba(26,158,92,.2); color: #6ee8a8; border: 1px solid rgba(26,158,92,.3); }
.biz-badge--bad  { background: rgba(224,56,56,.15); color: #ff9090; border: 1px solid rgba(224,56,56,.3); }

.biz-card__feature { border-top: 1px solid rgba(255,255,255,.08); padding-top: 16px; }
.biz-feature-label { display: block; font-size: .7rem; font-weight: 700; letter-spacing: .08em;
  color: rgba(255,255,255,.4); text-transform: uppercase; margin-bottom: 8px; }
.biz-card__feature p { font-size: .82rem; color: rgba(255,255,255,.65); line-height: 1.7; }
.biz-card--best .biz-card__feature p { color: rgba(200,255,230,.8); font-weight: 600; }

/* ===================================================
   STEP SUB NOTICE
   =================================================== */
.step-sub-notice {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .75rem; color: var(--blue-accent);
  margin-top: 8px; font-weight: 500;
}
.step-sub-notice i { font-size: .8rem; }

/* ===================================================
   ELIGIBILITY SECTION (신청 가능 대상자)
   =================================================== */
.elig-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-bottom: 28px;
}
.elig-card {
  background: var(--white); border: 1.5px solid #e5e7eb;
  border-radius: var(--radius-lg); padding: 32px 26px;
  position: relative; transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.elig-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--green-primary); }
.elig-card--process {
  border-color: var(--green-primary);
  background: var(--green-xlight);
  box-shadow: 0 0 0 3px rgba(26,158,92,.08), var(--shadow-md);
}

.elig-num {
  font-size: 3rem; font-weight: 900;
  color: rgba(26,158,92,.12); line-height: 1;
  position: absolute; top: 20px; right: 24px;
}
.elig-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: var(--green-light); color: var(--green-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 18px;
}
.elig-card--process .elig-icon { background: var(--green-primary); color: var(--white); }

.elig-card h3 { font-size: 1.05rem; font-weight: 800; color: var(--gray-900); margin-bottom: 12px; }
.elig-card p  { font-size: .88rem; color: var(--gray-500); line-height: 1.75; }
.elig-card p strong { color: var(--green-dark); }

.elig-cta { margin-top: 20px; }
.btn-elig-cta {
  width: 100%; background: var(--green-primary); color: var(--white);
  padding: 12px 20px; border-radius: var(--radius-sm);
  font-size: .88rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: var(--transition);
}
.btn-elig-cta:hover { background: var(--green-dark); box-shadow: 0 4px 16px rgba(26,158,92,.3); }

.elig-notice {
  display: flex; align-items: flex-start; gap: 12px;
  background: #f0f7ff; border: 1.5px solid #b3d4f8;
  border-left: 5px solid var(--blue-accent);
  border-radius: var(--radius-md); padding: 16px 22px;
  font-size: .88rem; color: #2a4a70; line-height: 1.7;
}
.elig-notice i { color: var(--blue-accent); font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.elig-notice strong { color: #1e4d8c; }

/* ===================================================
   RESPONSIVE - biz-compare & elig
   =================================================== */
@media (max-width: 1024px) {
  .re100-stats-grid  { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid     { grid-template-columns: repeat(2, 1fr); }
  .econ-cards        { grid-template-columns: repeat(2, 1fr); }
  .why-grid          { grid-template-columns: repeat(2, 1fr); }
  .biz-flow-steps    { flex-wrap: wrap; }
  .flow-arrow        { display: none; }
  .biz-compare-grid  { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .elig-grid         { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto 28px; }
}

@media (max-width: 768px) {
  .nav-menu, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-menu.open {
    display: flex; flex-direction: column;
    position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(255,255,255,.99);
    border-top: 1px solid rgba(0,0,0,.08);
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    padding: 16px; gap: 4px;
  }
  .nav-menu.open + .nav-cta { display: block; }

  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .insight-grid { grid-template-columns: 1fr; }
  .chart-row  { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .form-row   { grid-template-columns: 1fr; }
  .carbon-grid { grid-template-columns: 1fr; gap: 16px; }
  .compare-header,
  .compare-row { grid-template-columns: 100px repeat(4, 1fr); }
  .compare-col { padding: 10px 8px; font-size: .76rem; }
}

@media (max-width: 540px) {
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .re100-stats-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .econ-cards { grid-template-columns: 1fr 1fr; }
  .why-grid   { grid-template-columns: 1fr; }
  .hero-title { font-size: 1.7rem; }
}