:root {
  --bg: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: #ffffff;
  --surface-dark: #111114;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(29, 29, 31, 0.08);
  --accent: #0071e3;
  --accent-soft: rgba(0, 113, 227, 0.14);
  --kakao: #fee500;
  --shadow: 0 24px 80px rgba(17, 17, 20, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family:
    "SF Pro Display",
    "SF Pro KR",
    "Apple SD Gothic Neo",
    "Pretendard Variable",
    "SUIT Variable",
    "Malgun Gothic",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.95), transparent 32%),
    radial-gradient(circle at top right, rgba(0, 113, 227, 0.08), transparent 26%),
    linear-gradient(180deg, #fcfcfd 0%, #f2f2f5 56%, #ededf1 100%);
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  display: block;
}

.site-shell {
  overflow: clip;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 110px 0;
}

.section-muted {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0.8));
}

.section-contrast {
  padding-top: 32px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(250, 250, 252, 0.74);
  border-bottom: 1px solid rgba(29, 29, 31, 0.06);
}

.topbar-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
}

.brand img {
  display: block;
  width: 148px;
  height: auto;
}

.topnav {
  display: flex;
  gap: 26px;
  font-size: 0.95rem;
  color: var(--muted);
}

.menu-toggle {
  display: none;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.mobile-menu {
  display: grid;
  gap: 8px;
  padding: 0 0 16px;
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu a {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(29, 29, 31, 0.06);
}

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

.hero {
  padding-top: 84px;
  padding-bottom: 72px;
}

.hero-inner {
  text-align: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.contact-card h2 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 1.12;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 5.1rem);
}

.hero-copy,
.section-heading p,
.pricing-copy p,
.contact-card p {
  max-width: 760px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.contact-actions .button {
  min-width: 220px;
  box-shadow: 0 8px 20px rgba(17, 17, 20, 0.06);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.hero-meta article {
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(29, 29, 31, 0.06);
}

.hero-meta strong,
.proof-item strong,
.showcase-card h3,
.final-note-card h2 {
  display: block;
  letter-spacing: -0.04em;
}

.hero-meta strong {
  font-size: 1rem;
}

.hero-meta span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 16px 32px rgba(0, 113, 227, 0.2);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(29, 29, 31, 0.1);
}

.button-kakao {
  position: relative;
  background: linear-gradient(180deg, #fee500 0%, #ffd900 100%);
  color: #191919;
  border: 1px solid rgba(60, 30, 30, 0.18);
  box-shadow: 0 6px 16px rgba(60, 30, 30, 0.08);
  font-weight: 800;
}

.contact-emoji {
  flex: 0 0 auto;
  font-size: 1rem;
  line-height: 1;
}

.contact-icon {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
}

.contact-icon-kakao {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.button-kakao:hover,
.button-kakao:focus-visible {
  box-shadow: 0 10px 18px rgba(60, 30, 30, 0.12);
}

.hero-panel {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.hero-card,
.feature-card,
.story-card,
.price-card,
.stat-card,
.faq-item,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.hero-card {
  min-height: 250px;
  padding: 30px;
  text-align: left;
  transition:
    background 420ms ease,
    color 420ms ease,
    transform 420ms ease,
    box-shadow 420ms ease;
}

.hero-card span,
.plan-name {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--accent);
  font-weight: 700;
}

.hero-card strong,
.feature-card h3,
.pricing-copy h3,
.price-card strong,
.story-card h3,
.stat-card strong {
  display: block;
  font-size: 1.55rem;
  line-height: 1.25;
  letter-spacing: -0.04em;
}

.hero-card p,
.feature-card p,
.story-card p,
.stat-card p,
.faq-item p {
  margin: 14px 0 0;
  color: var(--muted);
}

.hero-cycle-card.is-active {
  background:
    radial-gradient(circle at top right, rgba(86, 164, 255, 0.25), transparent 36%),
    linear-gradient(180deg, #111114 0%, #1c1c22 100%);
  color: #fff;
  transform: translateY(-4px);
  box-shadow: 0 28px 72px rgba(17, 17, 20, 0.18);
}

.hero-cycle-card.is-active p {
  color: rgba(255, 255, 255, 0.72);
}

.hero-cycle-card.is-active span {
  color: #9fccff;
}

.section-heading {
  text-align: center;
}

.section-heading h2,
.contact-card h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.feature-grid,
.pricing-grid,
.stats-grid {
  display: grid;
  gap: 20px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 48px;
}

.proof-strip {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.preview-section {
  padding-top: 36px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.preview-card {
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(29, 29, 31, 0.08);
  box-shadow: var(--shadow);
}

.preview-card img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 340px;
  margin: 0 auto;
  object-fit: contain;
  background: linear-gradient(180deg, #f9fafc 0%, #eef3fa 100%);
}

.preview-card-wide {
  grid-column: span 2;
}

.preview-card-wide img {
  max-height: 420px;
}

.preview-copy {
  padding: 22px 22px 24px;
}

.preview-copy strong {
  display: block;
  font-size: 1.24rem;
  letter-spacing: -0.03em;
}

.preview-copy p {
  margin: 10px 0 0;
  color: var(--muted);
}

.logo-section {
  padding-top: 44px;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.logo-card {
  padding: 28px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(29, 29, 31, 0.08);
  box-shadow: var(--shadow);
}

.logo-card strong {
  display: block;
  margin-top: 18px;
  font-size: 1.3rem;
  letter-spacing: -0.04em;
}

.logo-card p {
  margin: 10px 0 0;
  color: var(--muted);
}

.logo-card-featured {
  background:
    radial-gradient(circle at top right, rgba(0, 113, 227, 0.1), transparent 34%),
    rgba(255, 255, 255, 0.9);
}

.logo-preview {
  min-height: 110px;
  display: grid;
  place-items: center;
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(246, 247, 251, 0.92), rgba(255, 255, 255, 0.98));
  border: 1px solid rgba(29, 29, 31, 0.06);
}

.logo-preview img {
  width: min(100%, 220px);
  height: auto;
}

.feature-card {
  padding: 34px 30px;
}

.proof-item,
.showcase-card,
.final-note-card {
  padding: 28px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(29, 29, 31, 0.08);
  box-shadow: var(--shadow);
}

.feature-card,
.proof-item {
  transition:
    background 320ms ease,
    color 320ms ease,
    transform 320ms ease,
    box-shadow 320ms ease,
    border-color 320ms ease;
}

.feature-card:hover,
.feature-card:focus-within,
.proof-item:hover,
.proof-item:focus-within {
  background:
    radial-gradient(circle at top right, rgba(128, 147, 173, 0.18), transparent 38%),
    linear-gradient(180deg, #4a4d55 0%, #636771 100%);
  color: #fff;
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 24px 56px rgba(45, 48, 56, 0.16);
}

.feature-card:hover p,
.feature-card:focus-within p,
.proof-item:hover p,
.proof-item:focus-within p {
  color: rgba(255, 255, 255, 0.72);
}

.feature-card:hover h3,
.feature-card:focus-within h3,
.proof-item:hover strong,
.proof-item:focus-within strong {
  color: #fff;
}

.proof-item p,
.showcase-card p,
.final-note-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.service-layout {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 3fr 5fr;
  gap: 24px;
  align-items: start;
}

.service-story {
  display: grid;
  gap: 14px;
}

.story-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 22px 24px;
}

.story-step {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
}

.pricing-panel {
  padding: 40px 38px;
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(246, 247, 251, 0.92));
  border: 1px solid rgba(29, 29, 31, 0.08);
  box-shadow: var(--shadow);
}

.pricing-copy p {
  margin-left: 0;
  margin-right: 0;
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 32px;
  align-items: stretch;
}

.price-card {
  padding: 30px 24px;
  min-height: 100%;
}

.price-card span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.price-card ul {
  padding-left: 18px;
  margin: 22px 0 0;
  color: var(--muted);
}

.price-card li + li {
  margin-top: 10px;
}

.price-card-featured {
  background: linear-gradient(180deg, rgba(0, 113, 227, 0.9), rgba(9, 72, 162, 0.95));
  color: #fff;
}

.price-card-featured .plan-name,
.price-card-featured span,
.price-card-featured ul {
  color: rgba(255, 255, 255, 0.86);
}

.showcase-section {
  padding-top: 48px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.showcase-card {
  min-height: 240px;
  background:
    radial-gradient(circle at top right, rgba(0, 113, 227, 0.1), transparent 32%),
    rgba(255, 255, 255, 0.82);
}

.showcase-card span {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--accent);
  font-weight: 700;
}

.showcase-card h3 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.22;
}

.showcase-card-wide {
  grid-column: span 2;
  min-height: 320px;
  background:
    radial-gradient(circle at top right, rgba(0, 113, 227, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(244, 247, 255, 0.95));
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat-card {
  min-height: 180px;
  padding: 30px;
  background:
    radial-gradient(circle at top right, rgba(0, 113, 227, 0.12), transparent 30%),
    rgba(255, 255, 255, 0.9);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: start;
}

.faq-heading {
  text-align: left;
}

.faq-heading p {
  margin-left: 0;
}

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

.faq-item {
  padding: 0 24px;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 0;
  font-size: 1.02rem;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding: 0 0 24px;
  margin: 0;
}

.contact-section {
  padding-top: 48px;
}

.contact-card {
  padding: 42px;
  display: grid;
  grid-template-columns: 1fr 420px;
  align-items: start;
  gap: 28px;
  background:
    radial-gradient(circle at top left, rgba(0, 113, 227, 0.12), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 248, 250, 0.96));
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.contact-copy {
  max-width: 560px;
}

.contact-meta {
  display: grid;
  gap: 6px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.96rem;
}

.contact-meta p {
  margin: 0;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(29, 29, 31, 0.08);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form span {
  font-size: 0.95rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(29, 29, 31, 0.12);
  border-radius: 16px;
  background: #fff;
  color: var(--text);
  font: inherit;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(0, 113, 227, 0.18);
  border-color: rgba(0, 113, 227, 0.4);
}

.button-full {
  width: 100%;
}

.form-note {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.form-progress {
  position: relative;
  width: 100%;
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(29, 29, 31, 0.08);
  opacity: 0;
  transform: scaleY(0.7);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.form-progress.is-visible {
  opacity: 1;
  transform: scaleY(1);
}

.form-progress-bar {
  position: absolute;
  inset: 0;
  width: 38%;
  border-radius: inherit;
  background: linear-gradient(90deg, #7fb8ff 0%, #0071e3 100%);
  transform: translateX(-120%);
}

.form-progress.is-visible .form-progress-bar {
  animation: form-progress-slide 1.35s ease-in-out infinite;
}

@keyframes form-progress-slide {
  0% {
    transform: translateX(-120%);
  }

  60% {
    transform: translateX(150%);
  }

  100% {
    transform: translateX(190%);
  }
}

.final-note {
  padding-top: 40px;
}

.final-note-card {
  text-align: center;
}

.final-note-card h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.final-note-card .button {
  margin-top: 28px;
}

.contact-card p {
  margin-left: 0;
  margin-right: 0;
}

.footer {
  padding: 26px 0 48px;
}

.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 42px rgba(17, 17, 20, 0.12);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-arrow {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.95rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-brand {
  margin: 0;
}

.footer-brand img {
  display: block;
  width: 148px;
  height: auto;
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(29, 29, 31, 0.08);
  color: var(--muted);
  font-size: 0.92rem;
}

.legal-grid p {
  margin: 0;
}

.footer-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 980px) {
  .hero-panel,
  .feature-grid,
  .proof-strip,
  .preview-grid,
  .logo-grid,
  .pricing-grid,
  .showcase-grid,
  .stats-grid,
  .service-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .contact-card {
    grid-template-columns: 1fr;
  }

  .showcase-card-wide {
    grid-column: auto;
  }

  .preview-card-wide {
    grid-column: auto;
  }

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

@media (max-width: 720px) {
  .section {
    padding: 84px 0;
  }

  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .topbar-inner {
    min-height: 58px;
  }

  .topnav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .brand img {
    width: 132px;
  }

  .hero {
    padding-top: 54px;
    padding-bottom: 48px;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 9vw, 3.2rem);
  }

  .hero-copy,
  .section-heading p,
  .pricing-copy p,
  .contact-card p {
    font-size: 1rem;
  }

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

  .hero-card,
  .feature-card,
  .story-card,
  .price-card,
  .stat-card,
  .contact-card,
  .proof-item,
  .showcase-card,
  .final-note-card {
    border-radius: 24px;
  }

  .pricing-panel,
  .contact-card,
  .contact-form {
    padding: 28px 22px;
  }

  .contact-actions .button {
    width: 100%;
  }

  .story-card {
    grid-template-columns: 1fr;
  }

  .faq-item {
    padding: 0 20px;
  }

  .back-to-top {
    right: 18px;
    bottom: 18px;
    min-height: 48px;
    padding: 0 16px;
  }
}