* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --navy: #172A46;
  --blue: #3B73E8;
  --blue-dark: #2f5fc7;
  --blue-soft: #EAF1FE;
  --bg: #F6F8FC;
  --card: #FFFFFF;
  --text: #17233A;
  --muted: #718096;
  --border: #E8EDF5;

  --rose: #E0567B;   --rose-soft: #FDEFF3;
  --teal: #0D9488;   --teal-soft: #E3FAF7;
  --green: #16A34A;  --green-soft: #E9F9EE;
  --amber: #CA8A04;  --amber-soft: #FEF6DC;
  --purple: #8B5CF6; --purple-soft: #F1EBFE;
  --indigo: #5B5FC7; --indigo-soft: #ECEDFB;
  --lime: #65A30D;   --lime-soft: #F1F8E3;
  --sky: #0284C7;    --sky-soft: #E0F2FE;

  --shadow: 0 4px 20px rgba(23,42,70,0.06);
  --shadow-lg: 0 16px 48px rgba(23,42,70,0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: Pretendard, 'Noto Sans KR', -apple-system, sans-serif;
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  background: var(--card);
}

.icon {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.15em;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

/* 헤더 */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.2s;
}

.header.scrolled { box-shadow: var(--shadow); }

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--navy);
  font-weight: 800;
  font-size: 20px;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--blue);
  color: white;
  font-size: 17px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  flex: 1;
  justify-content: center;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  transition: color 0.2s;
  white-space: nowrap;
}

.nav a:hover { color: var(--blue); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-text {
  text-decoration: none;
  color: var(--navy);
  font-weight: 600;
  font-size: 14px;
  padding: 9px 6px;
  white-space: nowrap;
}

.btn-outline {
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  white-space: nowrap;
  transition: border-color 0.2s, color 0.2s;
}

.btn-outline:hover { border-color: var(--blue); color: var(--blue); }

.btn-primary-sm {
  text-decoration: none;
  background: var(--blue);
  color: white;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 10px;
  white-space: nowrap;
  transition: background 0.2s;
}

.btn-primary-sm:hover { background: var(--blue-dark); }

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--navy);
  padding: 4px;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 8px 24px 20px;
  background: white;
  border-top: 1px solid var(--border);
}

.mobile-menu a {
  text-decoration: none;
  color: var(--text);
  padding: 13px 0;
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.mobile-menu-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.mobile-menu-actions a { flex: 1; text-align: center; border-bottom: none; padding: 12px; }

/* 공통 버튼 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue);
  color: white;
  padding: 15px 28px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: var(--navy);
  padding: 15px 28px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  border: 1.5px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover { border-color: var(--blue); color: var(--blue); }

.btn-secondary-dark {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.35);
}

.btn-secondary-dark:hover { border-color: white; color: white; background: rgba(255,255,255,0.08); }

/* 섹션 공통 */
section { padding: 96px 0; }
section[id], main > section, #support, #top { scroll-margin-top: 88px; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-badge {
  display: inline-block;
  background: var(--blue-soft);
  color: var(--blue);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 14px;
  color: var(--navy);
}

.section-header p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

/* 히어로 */
.hero {
  padding: 150px 0 90px;
  background: var(--bg);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.badge {
  display: inline-block;
  background: var(--blue-soft);
  color: var(--blue);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: 50px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
  color: var(--navy);
}

.hero-sub {
  font-size: 20px;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.hero-checklist {
  display: flex;
  gap: 24px;
  list-style: none;
  flex-wrap: wrap;
}

.hero-checklist li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}

.hero-checklist .icon { color: var(--green); }

/* 히어로 프로그램 화면 목업 */
.app-window {
  background: var(--card);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}

.app-window-bar {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: #EEF2F9;
}

.app-window-bar .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #D7DFEC;
}

.app-window-body { display: flex; min-height: 380px; }

.app-sidebar {
  width: 56px;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  flex-shrink: 0;
}

.app-sidebar-logo {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--blue);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  margin-bottom: 8px;
}

.app-sidebar-item {
  width: 32px; height: 32px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.55);
  font-size: 15px;
}

.app-sidebar-item.active { background: var(--blue); color: white; }

.app-main { flex: 1; padding: 20px 22px; min-width: 0; }

.app-greet { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 14px; }

.app-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.app-stat {
  background: var(--bg);
  border-radius: 12px;
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.app-stat-label { font-size: 10px; color: var(--muted); }
.app-stat strong { font-size: 14px; color: var(--navy); }
.app-stat-hint { font-size: 9px; font-weight: 700; }
.app-stat-hint.up { color: var(--green); }
.app-stat-hint.warn { color: var(--amber); }

.app-schedule { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }

.app-schedule-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 12px;
}

.app-time { font-weight: 700; color: var(--navy); width: 40px; flex-shrink: 0; }
.app-name { flex: 1; color: var(--text); font-weight: 600; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.chip {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 50px;
  white-space: nowrap;
}
.chip-blue { background: var(--blue-soft); color: var(--blue); }
.chip-mint { background: var(--teal-soft); color: var(--teal); }
.chip-orange { background: var(--amber-soft); color: var(--amber); }
.chip-gray { background: #EEF1F5; color: var(--muted); }

.app-cta {
  background: var(--blue);
  color: white;
  text-align: center;
  padding: 11px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
}

/* 기능 타일 */
.tiles { background: var(--card); }

.tiles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 26px 22px;
  border-radius: 18px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

a.tile { cursor: pointer; }
a.tile:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.tile-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-size: 21px;
  margin-bottom: 6px;
}

.tile h3 { font-size: 16px; font-weight: 700; color: var(--navy); }
.tile p { font-size: 13px; color: var(--muted); line-height: 1.6; }

.tile-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  margin-top: 6px;
}

.tile-blue   .tile-icon, .feature-detail-tag.tile-blue   { background: var(--blue-soft);   color: var(--blue); }
.tile-rose   .tile-icon, .feature-detail-tag.tile-rose   { background: var(--rose-soft);   color: var(--rose); }
.tile-teal   .tile-icon, .feature-detail-tag.tile-teal   { background: var(--teal-soft);   color: var(--teal); }
.tile-green  .tile-icon, .feature-detail-tag.tile-green  { background: var(--green-soft);  color: var(--green); }
.tile-amber  .tile-icon { background: var(--amber-soft);  color: var(--amber); }
.tile-purple .tile-icon { background: var(--purple-soft); color: var(--purple); }
.tile-indigo .tile-icon { background: var(--indigo-soft); color: var(--indigo); }
.tile-lime   .tile-icon { background: var(--lime-soft);   color: var(--lime); }
.tile-sky    .tile-icon { background: var(--sky-soft);    color: var(--sky); }
.tile-navy   .tile-icon { background: #E7EAF0; color: var(--navy); }

.tile-blue .tile-more   { color: var(--blue); }
.tile-green .tile-more  { color: var(--green); }
.tile-teal .tile-more   { color: var(--teal); }
.tile-rose .tile-more   { color: var(--rose); }
.tile-navy .tile-more   { color: var(--navy); }

/* 업종 */
.industries { background: var(--bg); }

.industries-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.industry-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--navy);
  padding: 14px 22px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
}

.industry-item .icon { color: var(--blue); width: 1.2em; height: 1.2em; }

/* 기능 상세 */
.feature-details { background: var(--card); }

.feature-detail {
  scroll-margin-top: 88px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.feature-detail:last-child { border-bottom: none; padding-bottom: 0; }
.feature-detail:first-of-type { padding-top: 0; }

.feature-detail.reverse .feature-detail-text { order: 2; }
.feature-detail.reverse .feature-detail-visual { order: 1; }

.feature-detail-tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 14px;
}

.feature-detail-text h3 {
  font-size: 25px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.4;
}

.feature-detail-text p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 20px;
}

.feature-detail-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.feature-detail-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.feature-detail-list .icon { color: var(--blue); background: var(--blue-soft); border-radius: 50%; padding: 3px; width: 1.4em; height: 1.4em; }

/* 미니 프로그램 미리보기 (기능 상세) */
.mini-app {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
}

.mini-app-head {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
}
.mini-app-head span { color: var(--muted); font-weight: 500; font-size: 12px; }

.mini-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 16px;
}
.mini-cal-grid span {
  display: flex; align-items: center; justify-content: center;
  height: 30px; border-radius: 8px; background: var(--card); font-size: 12px; color: var(--muted);
}
.mini-cal-grid .today { background: var(--blue); color: white; font-weight: 700; }
.mini-cal-grid .dot-day { color: var(--text); }

.mini-list { display: flex; flex-direction: column; gap: 8px; }
.mini-list div {
  display: flex; align-items: center; gap: 8px;
  background: var(--card); border-radius: 10px; padding: 9px 12px; font-size: 13px;
}
.mini-list b { color: var(--navy); }
.mini-list em { margin-left: auto; font-style: normal; }

.mini-customer-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px;
}
.mini-customer-row:last-child { margin-bottom: 0; }
.mini-customer-row .avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--blue); color: white;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; flex-shrink: 0;
}
.mini-customer-row b { display: block; font-size: 14px; color: var(--navy); }
.mini-customer-row small { color: var(--muted); font-size: 12px; }

.mini-stat-row {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--card); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; font-size: 13px; color: var(--muted);
}
.mini-stat-row b { color: var(--navy); font-size: 15px; }

.mini-bars {
  display: flex; align-items: flex-end; gap: 8px; height: 90px; background: var(--card); border-radius: 12px; padding: 12px;
}
.mini-bars span { flex: 1; background: var(--blue); border-radius: 6px 6px 0 0; opacity: 0.85; }

/* 이용 방법 */
.how-it-works { background: var(--bg); }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 22px;
}

.step-no {
  display: inline-block;
  font-size: 22px;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 12px;
}

.step h3 { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--muted); }

/* 이용 환경 */
.devices { background: var(--card); }
.devices-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 380px));
  gap: 24px;
  justify-content: center;
}
.device-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
}
.device-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--blue-soft); color: var(--blue);
  font-size: 26px; margin-bottom: 16px;
}
.device-card h3 { font-size: 18px; font-weight: 800; color: var(--navy); margin-bottom: 8px; }
.device-card p { font-size: 14px; color: var(--muted); }

/* 요금 */
.pricing { background: var(--card); }

.trial-banner {
  text-align: center;
  color: var(--blue);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
}
.trial-banner strong { font-weight: 800; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 380px));
  gap: 24px;
  justify-content: center;
  align-items: start;
}

.pricing-card {
  background: var(--card);
  border-radius: 20px;
  padding: 36px 32px;
  border: 1.5px solid var(--border);
  position: relative;
}

.pricing-card.popular { border-color: var(--blue); box-shadow: var(--shadow-lg); }

.plan-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: white;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 20px;
  white-space: nowrap;
}

.plan-name { font-size: 19px; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.plan-target { font-size: 13.5px; color: var(--muted); margin-bottom: 20px; min-height: 40px; }

.plan-price { font-size: 38px; font-weight: 800; color: var(--navy); margin-bottom: 4px; }
.plan-price .price-unit { font-size: 22px; margin-left: 2px; }
.plan-price small { font-size: 15px; color: var(--muted); font-weight: 600; margin-left: 6px; }

.plan-vat { font-size: 13px; font-weight: 600; color: var(--muted); }

/* 연간: 월 환산·절약 강조 (월간 카드는 같은 높이의 빈 칸으로 카드 높이를 맞춘다) */
.plan-highlight {
  display: flex; flex-direction: column; gap: 4px;
  margin-top: 14px; padding: 12px 14px;
  background: var(--green-soft); border-radius: 12px;
  min-height: 62px;
}
.plan-highlight-empty { background: none; }
.plan-monthly-equiv { font-size: 14px; font-weight: 700; color: var(--navy); }
.plan-saving { font-size: 13px; color: var(--green); font-weight: 600; }
.plan-saving b { font-weight: 800; }

.plan-features { list-style: none; margin: 20px 0 28px; padding-top: 20px; border-top: 1px solid var(--border); }

.plan-features li {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 0;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}
.plan-features li .icon { color: var(--blue); flex-shrink: 0; }
.plan-features li.disabled { color: #C3CBD8; }
.plan-features li.disabled::before { content: "—"; margin-right: 4px; }

.btn-plan {
  display: block;
  text-align: center;
  padding: 14px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  background: var(--bg);
  color: var(--navy);
  border: 1.5px solid var(--border);
  transition: all 0.2s;
}

.btn-plan:hover { border-color: var(--blue); color: var(--blue); }

.btn-plan.popular { background: var(--blue); color: white; border-color: transparent; }
.btn-plan.popular:hover { background: var(--blue-dark); color: white; }

.pricing-note { text-align: center; font-size: 12.5px; color: var(--muted); margin-top: 28px; }

.pricing-checklist {
  max-width: 784px;
  margin: 40px auto 0;
  padding: 28px 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
}
.pricing-checklist h3 { font-size: 17px; font-weight: 800; color: var(--navy); margin-bottom: 14px; }
.pricing-checklist dl > div {
  display: grid; grid-template-columns: 120px 1fr; gap: 16px;
  padding: 10px 0; border-top: 1px solid var(--border);
  font-size: 14px;
}
.pricing-checklist dl > div:first-child { border-top: none; }
.pricing-checklist dt { font-weight: 700; color: var(--navy); }
.pricing-checklist dd { color: var(--text); line-height: 1.6; }

/* 후기 (플레이스홀더) */
.review { background: var(--bg); }

.review-placeholder {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: 20px;
  padding: 48px 32px;
  color: var(--muted);
}

.review-placeholder .icon { width: 32px; height: 32px; color: var(--blue); margin-bottom: 16px; }
.review-placeholder p { font-size: 15px; line-height: 1.8; }

/* FAQ */
.faq { background: var(--card); }

.faq-list { max-width: 760px; margin: 0 auto; }

.faq-item {
  background: var(--bg);
  border-radius: 14px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border);
}

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--navy);
}

.faq-arrow { color: var(--blue); transition: transform 0.3s; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.7;
  transition: max-height 0.3s, padding 0.3s;
}

.faq-item.open .faq-a { max-height: 200px; padding: 0 24px 20px; }

/* 원격지원 / 고객센터 */
.support { background: var(--bg); }

.support-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: start;
}

.support-text h2 { font-size: 30px; font-weight: 800; color: var(--navy); margin: 14px 0; }
.support-text > p { font-size: 15px; color: var(--muted); margin-bottom: 28px; }

.support-steps { list-style: none; counter-reset: step; margin-bottom: 28px; }

.support-steps li {
  position: relative;
  padding-left: 38px;
  margin-bottom: 18px;
  counter-increment: step;
}

.support-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--blue);
  color: white;
  font-size: 13px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

.support-steps b { display: block; font-size: 15px; color: var(--navy); margin-bottom: 2px; }
.support-steps span { font-size: 13.5px; color: var(--muted); }

.support-buttons { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }

.support-security { font-size: 12.5px; color: var(--muted); line-height: 1.7; }

.support-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
}

.support-card h3 { font-size: 18px; font-weight: 800; color: var(--navy); margin-bottom: 20px; }

.support-info-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
}

.support-info-row .icon { color: var(--blue); width: 1.3em; height: 1.3em; margin-top: 2px; flex-shrink: 0; }
.support-info-row b { display: block; font-size: 13.5px; color: var(--navy); margin-bottom: 2px; }
.support-info-row span { font-size: 13.5px; color: var(--muted); }

/* 마지막 CTA */
.final-cta {
  background: var(--navy);
  color: white;
  text-align: center;
}

.final-cta h2 { font-size: 32px; font-weight: 800; margin-bottom: 14px; }
.final-cta p { font-size: 16px; color: rgba(255,255,255,0.75); margin-bottom: 32px; }
.final-cta-buttons { justify-content: center; margin-bottom: 0; }

/* 푸터 */
.footer { background: var(--navy); color: rgba(255,255,255,0.65); padding: 56px 0 28px; }

.footer .logo { color: white; }

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 56px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 28px;
}

.footer-logo p { font-size: 13.5px; margin-top: 10px; }

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }

.footer-links strong { display: block; color: white; font-size: 14px; margin-bottom: 14px; }

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 13.5px;
  margin-bottom: 10px;
}
.footer-links a:hover { color: white; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
}

.footer-bottom a { color: rgba(255,255,255,0.5); text-decoration: none; margin-left: 18px; }
.footer-bottom a:hover { color: white; }

/* 반응형 */
@media (max-width: 980px) {
  .nav { display: none; }
  .nav-actions .btn-text, .nav-actions .btn-outline { display: none; }
  .hamburger { display: block; }
  .mobile-menu.open { display: flex; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 38px; }
  .app-stats { grid-template-columns: repeat(2, 1fr); }

  .tiles-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
  .devices-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
  .plan-highlight-empty { display: none; }

  .feature-detail { grid-template-columns: 1fr; gap: 28px; }
  .feature-detail.reverse .feature-detail-text,
  .feature-detail.reverse .feature-detail-visual { order: initial; }

  .support-inner { grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 560px) {
  section { padding: 64px 0; }
  .section-header h2 { font-size: 26px; }
  .hero { padding: 120px 0 56px; }
  .hero h1 { font-size: 32px; }
  .tiles-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 14px; text-align: center; }
  .footer-bottom a { margin: 0 8px; }
  .hero-buttons, .support-buttons { flex-direction: column; align-items: stretch; }
  .hero-buttons a, .support-buttons a { text-align: center; justify-content: center; }
  .pricing-checklist { padding: 22px 20px; }
  .pricing-checklist dl > div { grid-template-columns: 1fr; gap: 4px; }
}