:root {
  --bg: #f7f1e8;
  --bg-soft: #fffaf4;
  --text: #14213d;
  --muted: #546179;
  --line: rgba(20, 33, 61, 0.12);
  --line-strong: rgba(20, 33, 61, 0.2);
  --primary: #ff6f61;
  --primary-deep: #ff4d4f;
  --secondary: #38b6a7;
  --secondary-deep: #1f7f7a;
  --accent: #ffcf5c;
  --white: #ffffff;
  --panel: rgba(255, 255, 255, 0.76);
  --panel-strong: rgba(255, 255, 255, 0.9);
  --shadow: 0 24px 70px rgba(20, 33, 61, 0.14);
  --radius-xl: 36px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: min(1160px, calc(100% - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "SUIT Variable", "Avenir Next", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 111, 97, 0.15), transparent 24%),
    radial-gradient(circle at 90% 15%, rgba(56, 182, 167, 0.2), transparent 26%),
    linear-gradient(180deg, #fffaf6 0%, #f7f1e8 52%, #fffaf4 100%);
}

body.nav-open {
  overflow: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

img {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 100;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--text);
  color: var(--white);
}

.skip-link:focus {
  top: 16px;
}

.site-bg {
  position: fixed;
  inset: auto;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(12px);
  opacity: 0.72;
  z-index: -1;
}

.site-bg-a {
  top: 100px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: rgba(255, 207, 92, 0.48);
}

.site-bg-b {
  top: 520px;
  left: -120px;
  width: 320px;
  height: 320px;
  background: rgba(56, 182, 167, 0.18);
}

.site-bg-c {
  bottom: 120px;
  right: 2%;
  width: 280px;
  height: 280px;
  background: rgba(255, 111, 97, 0.14);
}

.shell {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 18px 0 0;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.76);
  box-shadow: 0 12px 34px rgba(20, 33, 61, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  font-weight: 900;
  color: var(--white);
  background:
    radial-gradient(circle at 28% 24%, rgba(255, 255, 255, 0.45), transparent 24%),
    linear-gradient(135deg, var(--primary) 0%, var(--secondary-deep) 100%);
  box-shadow: 0 14px 30px rgba(20, 33, 61, 0.16);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: -0.04em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  padding: 12px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.95rem;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--text);
  background: rgba(20, 33, 61, 0.06);
}

.nav-button {
  color: var(--white) !important;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%) !important;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 12px 24px rgba(20, 33, 61, 0.12);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.hero,
.sub-hero {
  padding: 56px 0 24px;
}

.hero-shell,
.sub-hero-shell {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.hero-copy h1,
.sub-hero-copy h1,
.section-heading h2,
.spotlight-copy h2,
.contact-copy h2,
.content-card h2,
.role-card h2,
.check-card h2 {
  margin: 0;
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.hero-copy h1 {
  font-size: clamp(3rem, 8vw, 5.8rem);
}

.sub-hero-copy h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
}

.eyebrow,
.mini-label,
.cluster-tag,
.timeline-card span {
  margin: 0 0 14px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--secondary-deep);
}

.lead,
.section-heading p,
.feature-card p,
.cluster-card p,
.spotlight-copy p,
.spotlight-list p,
.faq-answer p,
.contact-copy p,
.contact-notes li,
.content-card p,
.timeline-card p,
.role-card p,
.check-card p,
.bullet-list li,
.site-footer p,
.stat-card p,
.hero-card p,
.breadcrumb,
.text-link {
  color: var(--muted);
  line-height: 1.72;
}

.lead {
  margin: 24px 0 0;
  max-width: 700px;
  font-size: 1.04rem;
}

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

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

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

.button-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  box-shadow: 0 18px 36px rgba(255, 111, 97, 0.3);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.download-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.store-button {
  min-height: 52px;
  padding: 0 20px;
  font-size: 0.95rem;
}

.android-button {
  color: var(--white);
  background: linear-gradient(135deg, #1f7a43 0%, #34a853 100%);
  box-shadow: 0 16px 32px rgba(52, 168, 83, 0.24);
}

.ios-button {
  color: var(--white);
  background: linear-gradient(135deg, #14213d 0%, #33415c 100%);
  box-shadow: 0 16px 32px rgba(20, 33, 61, 0.22);
}

.keyword-chips,
.contact-notes,
.bullet-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.keyword-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.keyword-chips li {
  padding: 10px 16px;
  border: 1px solid rgba(20, 33, 61, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.hero-panel,
.spotlight-panel,
.contact-panel {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.9) 0%, rgba(246, 250, 255, 0.72) 100%);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 28px;
}

.hero-card {
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(20, 33, 61, 0.96) 0%, rgba(31, 127, 122, 0.92) 100%);
  color: var(--white);
}

.hero-card p,
.hero-card .mini-label {
  color: rgba(255, 255, 255, 0.8);
}

.hero-card strong {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  margin-bottom: 10px;
  letter-spacing: -0.05em;
}

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

.stat-card,
.feature-card,
.cluster-card,
.timeline-card,
.role-card,
.check-card,
.content-card {
  border: 1px solid rgba(20, 33, 61, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 48px rgba(20, 33, 61, 0.08);
}

.stat-card {
  padding: 18px;
}

.stat-card span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--secondary-deep);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.stat-card strong {
  display: block;
  font-size: 1.18rem;
  letter-spacing: -0.04em;
}

.stat-card.accent {
  background: linear-gradient(145deg, rgba(255, 207, 92, 0.34), rgba(255, 255, 255, 0.88));
}

.section {
  padding: 84px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0.12) 100%);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 28px;
}

.section-heading.compact {
  max-width: 680px;
}

.section-heading h2 {
  font-size: clamp(2rem, 5vw, 3.8rem);
}

.feature-grid,
.cluster-grid,
.role-grid,
.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.cluster-card,
.role-card,
.check-card {
  padding: 24px;
}

.feature-index {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(56, 182, 167, 0.14);
  color: var(--secondary-deep);
  font-weight: 900;
}

.feature-card h3,
.cluster-card h3,
.timeline-card h3 {
  margin: 18px 0 10px;
  font-size: 1.32rem;
  letter-spacing: -0.04em;
}

.cluster-card {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-end;
}

.text-link {
  display: inline-flex;
  align-items: center;
  font-weight: 800;
  color: var(--text);
}

.spotlight-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  padding: 30px;
}

.spotlight-panel.slim {
  grid-template-columns: 0.9fr 1.1fr;
}

.spotlight-list {
  display: grid;
  gap: 14px;
}

.spotlight-list div {
  padding: 18px 18px 18px 20px;
  border-left: 3px solid var(--primary);
  border-radius: 0 18px 18px 0;
  background: rgba(255, 255, 255, 0.62);
}

.spotlight-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.1rem;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border: 1px solid rgba(20, 33, 61, 0.08);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 48px rgba(20, 33, 61, 0.06);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 24px;
  border: 0;
  background: transparent;
  text-align: left;
  font-weight: 800;
  color: var(--text);
  cursor: pointer;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.22s ease;
}

.faq-answer p {
  margin: 0;
  overflow: hidden;
  padding: 0 24px 0;
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.open .faq-answer p {
  padding-bottom: 24px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr 0.94fr;
  gap: 24px;
  padding: 30px;
}

.contact-notes {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.contact-notes li,
.bullet-list li {
  position: relative;
  padding-left: 18px;
}

.contact-notes li::before,
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 28px;
  background: linear-gradient(160deg, rgba(20, 33, 61, 0.94) 0%, rgba(31, 127, 122, 0.92) 100%);
}

.contact-side-card {
  display: grid;
  align-content: center;
  gap: 18px;
  min-height: 100%;
  padding: 30px;
  border-radius: 28px;
  border: 1px solid rgba(20, 33, 61, 0.08);
  background:
    radial-gradient(circle at top right, rgba(255, 207, 92, 0.28), transparent 36%),
    linear-gradient(145deg, rgba(20, 33, 61, 0.96) 0%, rgba(31, 127, 122, 0.94) 100%);
  box-shadow: 0 22px 52px rgba(20, 33, 61, 0.18);
}

.contact-side-badge {
  display: inline-flex;
  width: fit-content;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.contact-side-card h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(1.5rem, 3.8vw, 2.4rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.contact-side-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.7;
}

.contact-side-button {
  justify-self: start;
  color: #1f1a00;
  background: linear-gradient(135deg, #fee500 0%, #ffd43a 100%);
  box-shadow: 0 18px 36px rgba(254, 229, 0, 0.28);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.56);
}

.contact-form option {
  color: var(--text);
}

.form-feedback {
  min-height: 24px;
  margin: 0;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.82);
}

.form-feedback.success {
  color: #d8ffe9;
}

.form-feedback.error {
  color: #ffe3e3;
}

.breadcrumb {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(20, 33, 61, 0.08);
  justify-self: end;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.timeline-card {
  padding: 22px;
}

.timeline-card span {
  display: inline-block;
  margin-bottom: 8px;
}

.content-stack {
  display: grid;
  gap: 18px;
}

.content-card {
  padding: 28px;
}

.site-footer {
  padding: 0 0 28px;
}

.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 28px;
  border-radius: 28px;
  background: rgba(20, 33, 61, 0.94);
  color: var(--white);
  box-shadow: 0 18px 48px rgba(20, 33, 61, 0.18);
}

.site-footer p,
.site-footer a {
  color: rgba(255, 255, 255, 0.72);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-reveal="left"] {
  transform: translateX(24px);
}

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

@media (max-width: 960px) {
  .hero-shell,
  .sub-hero-shell,
  .spotlight-panel,
  .contact-panel,
  .timeline,
  .feature-grid,
  .cluster-grid,
  .role-grid,
  .check-grid {
    grid-template-columns: 1fr;
  }

  .breadcrumb {
    justify-self: start;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding-top: 12px;
  }

  .nav-shell {
    padding: 14px 16px;
  }

  .menu-toggle {
    display: 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);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border-radius: 24px;
    background: rgba(255, 250, 244, 0.98);
    box-shadow: 0 18px 42px rgba(20, 33, 61, 0.12);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    text-align: center;
  }

  .hero,
  .sub-hero,
  .section {
    padding: 68px 0;
  }

  .hero-panel,
  .spotlight-panel,
  .contact-panel,
  .footer-shell {
    padding: 22px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    font-size: clamp(2.5rem, 13vw, 4rem);
  }

  .sub-hero-copy h1,
  .section-heading h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .footer-shell {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .button {
    width: 100%;
  }

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

  .keyword-chips {
    gap: 10px;
  }

  .keyword-chips li {
    width: 100%;
    text-align: center;
  }
}