:root {
  --bg: #f6f8fc;
  --bg-soft: #eef4ff;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #ffffff;
  --text: #172033;
  --muted: #5f6b85;
  --line: rgba(23, 32, 51, 0.08);
  --primary: #4868ff;
  --primary-deep: #2740c9;
  --accent: #7a4dff;
  --mint: #29b6a7;
  --yellow: #ffd76a;
  --shadow: 0 24px 60px rgba(39, 64, 201, 0.14);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --container: min(1160px, calc(100% - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(72, 104, 255, 0.16), transparent 24%),
    radial-gradient(circle at 100% 0%, rgba(122, 77, 255, 0.12), transparent 22%),
    radial-gradient(circle at 80% 90%, rgba(41, 182, 167, 0.12), transparent 18%),
    linear-gradient(180deg, #f7faff 0%, #ffffff 48%, #f4f7fc 100%);
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.site-wrap {
  position: relative;
  overflow: hidden;
}

.section {
  width: var(--container);
  margin: 0 auto;
  padding: 88px 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  width: var(--container);
  margin: 18px auto 0;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  box-shadow: 0 14px 36px rgba(15, 35, 95, 0.08);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-badge {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  box-shadow: 0 12px 28px rgba(72, 104, 255, 0.28);
}

.logo-text {
  font-size: 1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.96rem;
}

.site-nav a {
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.nav-button {
  padding: 12px 18px;
  border-radius: 999px;
  color: #fff !important;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 10px 26px rgba(15, 35, 95, 0.12);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
  border-radius: 99px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero {
  min-height: calc(100vh - 96px);
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: 42px;
  padding-top: 48px;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--primary-deep);
}

.hero h1,
.section-title h2,
.feature-box h2,
.seo-box h2,
.contact-copy h2 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.hero h1 {
  font-size: clamp(2.9rem, 7vw, 3.2rem);
  line-height: 1.3;
}

.hero-text,
.section-title p,
.info-card p,
.guide-card p,
.feature-box p,
.step-card p,
.faq-answer p,
.seo-box li,
.contact-copy p,
.contact-notes li,
.footer p,
.main-highlight p,
.mini-grid p {
  color: var(--muted);
  line-height: 1.72;
}

.hero-text {
  margin-top: 24px;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  box-shadow: 0 18px 40px rgba(39, 64, 201, 0.24);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(23, 32, 51, 0.08);
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.keyword-list li {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(23, 32, 51, 0.08);
  font-size: 0.92rem;
}

.hero-panel {
  position: relative;
  min-height: 620px;
  display: grid;
  place-items: center;
}

.panel-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
}

.glow-a {
  top: 40px;
  right: 40px;
  width: 220px;
  height: 220px;
  background: rgba(72, 104, 255, 0.16);
}

.glow-b {
  left: 30px;
  bottom: 40px;
  width: 180px;
  height: 180px;
  background: rgba(41, 182, 167, 0.14);
}

.dashboard-card {
  position: relative;
  width: min(100%, 450px);
  padding: 22px;
  border-radius: 36px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(243, 247, 255, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
  z-index: 1;
}

.dashboard-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint), #6dd8ca);
}

.main-highlight,
.info-card,
.guide-card,
.step-card,
.faq-item,
.feature-box,
.seo-box,
.contact-box {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 40px rgba(23, 32, 51, 0.06);
}

.main-highlight {
  padding: 20px;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

.main-highlight strong,
.info-card h3,
.guide-card h3,
.step-card h3 {
  display: block;
  margin-bottom: 8px;
  font-size: 1.04rem;
}

.main-highlight p,
.main-highlight strong {
  color: inherit;
}

.mini-chip,
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.mini-chip {
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.18);
}

.mini-grid,
.card-grid,
.feature-list,
.faq-list,
.store-links {
  display: grid;
  gap: 16px;
}

.mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.mini-grid article {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(23, 32, 51, 0.06);
}

.mini-grid strong,
.feature-list strong,
.step-card span,
.num {
  display: block;
  margin-bottom: 10px;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--primary-deep);
}

.intro-section,
.guide-section,
.steps-section,
.faq-section {
  display: grid;
  gap: 34px;
}

.section-title {
  max-width: 820px;
}

.section-title.narrow {
  max-width: 660px;
}

.section-title h2,
.feature-box h2,
.seo-box h2,
.contact-copy h2 {
  font-size: clamp(1rem, 4vw, 2.0rem);
}

.section-title p {
  margin: 18px 0 0;
}

.card-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card,
.guide-card,
.step-card,
.faq-item {
  padding: 24px;
  border-radius: var(--radius-lg);
}

.guide-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.95fr 0.95fr;
  gap: 18px;
}

.guide-card.featured {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(236, 242, 255, 0.96) 100%);
}

.tag {
  margin-bottom: 14px;
  color: var(--accent);
  background: rgba(122, 77, 255, 0.1);
}

.feature-box,
.seo-box,
.contact-box {
  display: grid;
  gap: 28px;
  padding: 34px;
  border-radius: var(--radius-xl);
}

.feature-box {
  grid-template-columns: 0.96fr 1.04fr;
  background: linear-gradient(135deg, rgba(72, 104, 255, 0.08) 0%, rgba(41, 182, 167, 0.08) 100%), rgba(255, 255, 255, 0.84);
}

.feature-list div {
  padding: 20px 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(23, 32, 51, 0.08);
}

.seo-box {
  grid-template-columns: 0.9fr 1.1fr;
  background: linear-gradient(135deg, rgba(122, 77, 255, 0.08) 0%, rgba(72, 104, 255, 0.08) 100%), rgba(255, 255, 255, 0.84);
}

.seo-box ul,
.contact-notes {
  margin: 0;
  padding-left: 20px;
}

.contact-box {
  grid-template-columns: 0.95fr 1.05fr;
}

.contact-card {
  display: grid;
  align-content: center;
  gap: 16px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 226, 90, 0.78) 0%, rgba(255, 211, 71, 0.96) 100%);
  border: 1px solid rgba(23, 32, 51, 0.08);
  box-shadow: 0 24px 48px rgba(135, 101, 0, 0.15);
}

.contact-pill {
  display: inline-flex;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.54);
  color: rgba(23, 32, 51, 0.82);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.kakao-btn {
  color: #2a1b00;
  background: #fff;
  box-shadow: 0 14px 30px rgba(58, 45, 0, 0.14);
}

.store-link {
  display: inline-flex;
  justify-content: center;
  min-height: 50px;
  align-items: center;
  padding: 0 18px;
  border-radius: 16px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(23, 32, 51, 0.08);
}

.store-link.android {
  color: #176c63;
}

.store-link.ios {
  color: #24304f;
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
  cursor: pointer;
}

.faq-question::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--primary-deep);
}

.faq-item.open .faq-question::after {
  content: "−";
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease, margin-top 0.25s ease;
}

.faq-answer p {
  overflow: hidden;
  margin: 0;
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
  margin-top: 14px;
}

.footer {
  width: var(--container);
  margin: 0 auto;
  padding: 0 0 36px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.footer strong {
  display: block;
  margin-bottom: 6px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal="left"] {
  transform: translateX(28px);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translate(0, 0);
}

@media (max-width: 1080px) {
  .card-grid.four,
  .guide-layout,
  .feature-box,
  .seo-box,
  .contact-box {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-card.featured {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .topbar {
    margin-top: 14px;
    padding: 12px 14px;
  }

  .menu-toggle {
    display: inline-block;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    display: grid;
    gap: 10px;
    padding: 18px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(23, 32, 51, 0.08);
    box-shadow: 0 18px 40px rgba(23, 32, 51, 0.12);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.22s ease, transform 0.22s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(244, 247, 252, 0.92);
  }

  .hero,
  .card-grid.four,
  .guide-layout,
  .feature-box,
  .seo-box,
  .contact-box {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  .hero-panel {
    min-height: 520px;
  }

  .section {
    padding: 74px 0;
  }

  .footer {
    flex-direction: column;
    padding-bottom: 28px;
  }
}

@media (max-width: 560px) {
  :root {
    --container: min(100% - 20px, 1160px);
    --radius-xl: 28px;
    --radius-lg: 22px;
  }

  .hero {
    padding-top: 28px;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 13vw, 1.5rem);
	line-height: 1.2;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn,
  .store-link {
    width: 100%;
  }

  .dashboard-card {
    padding: 16px;
    border-radius: 30px;
  }

  .info-card,
  .guide-card,
  .step-card,
  .faq-item,
  .feature-box,
  .seo-box,
  .contact-box,
  .contact-card {
    padding: 20px;
  }
}