/* ======================================================
   트레이노바 랜딩페이지 스타일시트
   외부 CDN 없음 / 순수 CSS / UTF-8
   ====================================================== */

/* ---- 기본 리셋 & 변수 ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-deep:     #0a0b0f;
  --bg-card:     #111318;
  --bg-card-2:   #181c24;
  --gold:        #f5a623;
  --gold-light:  #ffc84a;
  --gold-dim:    #b87a14;
  --text-main:   #e8eaf0;
  --text-sub:    #9aa0b4;
  --text-muted:  #5a6278;
  --border:      #252a38;
  --border-gold: #f5a62340;
  --danger:      #e05252;
  --success:     #4caf7d;
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --shadow-gold: 0 0 24px #f5a62318;
  --shadow-card: 0 4px 24px #00000060;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont,
               'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--gold);
  text-decoration: none;
}
a:hover { color: var(--gold-light); }

img { max-width: 100%; }

/* ---- 유틸리티 ---- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-sub);
  text-align: center;
  margin-bottom: 56px;
}

.gold { color: var(--gold); }
.muted { color: var(--text-muted); }

/* ---- 버튼 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
  border: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--gold);
  color: #0a0b0f;
}
.btn-primary:hover {
  background: var(--gold-light);
  color: #0a0b0f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px #f5a62340;
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1.5px solid var(--gold);
}
.btn-outline:hover {
  background: var(--gold);
  color: #0a0b0f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px #f5a62340;
}

.btn-ghost {
  background: transparent;
  color: var(--text-sub);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--gold-dim);
  color: var(--gold);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ======================================================
   내비게이션
   ====================================================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: #0a0b0fcc;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: -0.02em;
}
.nav-logo:hover { color: var(--gold-light); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: var(--text-sub);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.18s;
}
.nav-links a:hover { color: var(--text-main); }

.nav-cta { }

/* 모바일 햄버거 */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-direction: column;
  gap: 5px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-mobile-menu {
  display: none;
  flex-direction: column;
  background: #111318;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  gap: 16px;
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a {
  color: var(--text-sub);
  font-size: 1rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

/* ======================================================
   Hero 섹션
   ====================================================== */
#hero {
  padding: 160px 0 96px;
  position: relative;
  overflow: hidden;
}

/* 배경 그라디언트 효과 */
#hero::before {
  content: '';
  position: absolute;
  top: -120px; left: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, #f5a62310 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  background: #f5a62312;
  border: 1px solid var(--border-gold);
  border-radius: 100px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.22;
  color: var(--text-main);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-sub);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-disclaimer {
  margin-top: 28px;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 12px 16px;
  background: #e0525210;
  border: 1px solid #e0525228;
  border-radius: var(--radius-sm);
  max-width: 480px;
}

/* Hero 목업 카드 */
.hero-mockup {
  position: relative;
}

.mockup-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.mockup-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.mockup-dot.red   { background: #e05252; }
.mockup-dot.yellow{ background: #f5a623; }
.mockup-dot.green { background: #4caf7d; }

.mockup-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-sub);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-left: 4px;
}

/* 가격 바 목업 */
.mockup-price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.mockup-price-val {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
}

.mockup-price-change {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
}
.mockup-price-change.up   { background: #4caf7d18; color: #4caf7d; }
.mockup-price-change.down { background: #e0525218; color: #e05252; }

/* 가짜 차트 바 */
.mockup-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 64px;
  margin-bottom: 16px;
}

.mockup-bar {
  flex: 1;
  background: var(--border);
  border-radius: 3px 3px 0 0;
  transition: background 0.3s;
}
.mockup-bar:nth-child(3),
.mockup-bar:nth-child(6),
.mockup-bar:nth-child(8) {
  background: var(--gold-dim);
}
.mockup-bar:nth-child(9) {
  background: var(--gold);
}

/* 신호 태그 목업 */
.mockup-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mockup-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.04em;
}
.mockup-tag.bull  { background: #4caf7d18; color: #4caf7d; border: 1px solid #4caf7d28; }
.mockup-tag.bear  { background: #e0525218; color: #e05252; border: 1px solid #e0525228; }
.mockup-tag.gold  { background: #f5a62318; color: var(--gold); border: 1px solid var(--border-gold); }
.mockup-tag.gray  { background: #25273020; color: var(--text-muted); border: 1px solid var(--border); }

/* 서브 카드 (오른쪽 아래) */
.mockup-sub-card {
  position: absolute;
  bottom: -28px; right: -24px;
  width: 220px;
  background: var(--bg-card-2);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-gold);
}

.mockup-sub-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.mockup-sub-val {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gold);
}

/* ======================================================
   핵심 장점 3개
   ====================================================== */
#benefits {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.benefit-card {
  text-align: center;
  padding: 40px 28px;
}

.benefit-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.benefit-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.benefit-desc {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.65;
}

/* ======================================================
   앱 화면 미리보기 카드
   ====================================================== */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s;
}
.preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
  border-color: var(--border-gold);
}

.preview-screen {
  height: 180px;
  background: var(--bg-deep);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 16px;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.preview-screen::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-dim));
}

/* 화면 내부 가짜 UI */
.ps-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ps-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  min-width: 60px;
  font-variant-numeric: tabular-nums;
}

.ps-bar-wrap {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.ps-bar {
  height: 100%;
  border-radius: 3px;
  background: var(--gold);
}

.ps-val {
  font-size: 0.72rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  min-width: 36px;
  text-align: right;
}
.ps-val.up   { color: var(--success); }
.ps-val.down { color: var(--danger); }
.ps-val.gold { color: var(--gold); }

.ps-table {
  width: 100%;
  border-collapse: collapse;
}
.ps-table td {
  font-size: 0.65rem;
  padding: 3px 4px;
  color: var(--text-sub);
  border-bottom: 1px solid var(--border);
}
.ps-table td:first-child { color: var(--text-muted); }
.ps-table td.up   { color: var(--success); font-weight: 600; }
.ps-table td.down { color: var(--danger);  font-weight: 600; }
.ps-table td.gold { color: var(--gold);    font-weight: 600; }

.preview-info {
  padding: 16px 18px;
}

.preview-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.preview-desc {
  font-size: 0.82rem;
  color: var(--text-sub);
}

/* ======================================================
   주요 기능 카드
   ====================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: border-color 0.22s, box-shadow 0.22s;
}
.feature-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.feature-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 0.86rem;
  color: var(--text-sub);
  line-height: 1.65;
}

/* ======================================================
   사용 방법 (Steps)
   ====================================================== */
#howto {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  position: relative;
}

.step-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: #f5a62318;
  border: 1.5px solid var(--border-gold);
  color: var(--gold);
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.step-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 0.84rem;
  color: var(--text-sub);
}

/* ======================================================
   다운로드 섹션
   ====================================================== */
#download {
  text-align: center;
}

.download-box {
  display: inline-block;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 56px 72px;
  box-shadow: var(--shadow-gold);
  max-width: 640px;
  width: 100%;
}

.download-os-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 5px 12px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 100px;
  margin-bottom: 24px;
}

.download-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
}

.download-filename {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'Consolas', 'Courier New', monospace;
  margin-bottom: 28px;
  padding: 8px 14px;
  background: var(--bg-deep);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.download-notes {
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
  list-style: none;
  text-align: left;
  display: inline-block;
}
.download-notes li {
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}
.download-notes li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* 다운로드 라이선스 안내 문구 */
.download-license-note {
  margin-top: 24px;
  font-size: 0.84rem;
  color: var(--text-muted);
  padding: 14px 18px;
  background: #f5a62308;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  line-height: 1.7;
}

/* ======================================================
   공지사항 섹션
   ====================================================== */
#notice {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}

.notice-card {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  text-align: left;
  transition: border-color 0.22s, box-shadow 0.22s;
}
.notice-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}

.notice-date {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.notice-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.notice-body {
  font-size: 0.86rem;
  color: var(--text-sub);
  line-height: 1.75;
}

/* ======================================================
   가격 / 라이선스
   ====================================================== */
.pricing-single-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 0;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  position: relative;
  transition: border-color 0.22s;
}
.pricing-card.featured {
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
}
.pricing-card-single {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  font-weight: 700;
  color: #0a0b0f;
  background: var(--gold);
  padding: 4px 14px;
  border-radius: 100px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.pricing-plan {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.pricing-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* 가격 카드 설명 */
.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 24px;
  padding: 0 8px;
}

.pricing-period {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}

.pricing-features li {
  font-size: 0.86rem;
  color: var(--text-sub);
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--gold);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-note {
  margin-top: 40px;
  text-align: center;
  font-size: 0.84rem;
  color: var(--text-muted);
  padding: 16px 20px;
  background: #f5a62308;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ======================================================
   주의사항
   ====================================================== */
#disclaimer {
  background: #0d0f14;
  border-top: 1px solid #e0525228;
  border-bottom: 1px solid #e0525228;
}

.disclaimer-box {
  background: #e0525208;
  border: 1px solid #e0525230;
  border-radius: var(--radius-md);
  padding: 40px 48px;
  max-width: 720px;
  margin: 0 auto;
}

.disclaimer-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--danger);
  margin-bottom: 16px;
  text-align: center;
}

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

.disclaimer-items li {
  font-size: 0.88rem;
  color: var(--text-sub);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.disclaimer-items li::before {
  content: '⚠';
  position: absolute;
  left: 0;
  color: var(--danger);
  font-size: 0.78rem;
}

/* ======================================================
   FAQ
   ====================================================== */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-main);
  font-size: 0.92rem;
  font-weight: 600;
  text-align: left;
  gap: 12px;
  transition: background 0.18s;
}
.faq-q:hover { background: #ffffff06; }

.faq-arrow {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--gold);
  transition: transform 0.25s;
  font-style: normal;
}
.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4,0,0.2,1),
              padding 0.35s;
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.7;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding: 0 22px 18px;
}

/* ======================================================
   문의 섹션
   ====================================================== */
#contact {
  text-align: center;
}

.contact-box {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 52px 48px;
}

.contact-desc {
  font-size: 0.92rem;
  color: var(--text-sub);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-sub);
  width: 100%;
  max-width: 320px;
  padding: 14px 20px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, color 0.2s;
}
.contact-item:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.contact-item-btn {
  background: #f5a62312;
  border-color: var(--border-gold);
  color: var(--gold);
  font-weight: 600;
  cursor: pointer;
}
.contact-item-btn:hover {
  background: var(--gold);
  color: #0a0b0f;
  border-color: var(--gold);
}

.contact-note {
  margin-top: 24px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ======================================================
   푸터
   ====================================================== */
footer {
  background: #07080b;
  border-top: 1px solid var(--border);
  padding: 40px 0 28px;
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--gold);
}

.footer-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
  max-width: 300px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-links a:hover { color: var(--text-sub); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 8px;
}

.footer-copy {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.footer-legal {
  font-size: 0.74rem;
  color: var(--text-muted);
  text-align: right;
}

/* ======================================================
   반응형 미디어 쿼리
   ====================================================== */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-title { font-size: 2rem; }
  .benefits-grid { grid-template-columns: 1fr; gap: 12px; }
  .preview-grid  { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid    { grid-template-columns: repeat(2, 1fr); }
  .nav-links     { display: none; }
  .nav-cta       { display: none; }
  .nav-hamburger { display: flex; }
  .download-box  { padding: 36px 28px; }
  .contact-box   { padding: 36px 24px; }
  .disclaimer-box{ padding: 28px 24px; }
  .notice-grid   { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .section-title { font-size: 1.6rem; }
  .hero-title { font-size: 1.75rem; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid    { grid-template-columns: 1fr; }
  .hero-actions  { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .mockup-sub-card { display: none; }
  .download-license-note { font-size: 0.8rem; }
  .notice-card { padding: 22px 20px; }
}