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

:root {
  --bg: #f7f8f5;
  --surface: #ffffff;
  --surface-soft: #eef5ef;
  --ink: #17201a;
  --ink-mid: #526052;
  --ink-muted: #718071;
  --line: #dfe7de;
  --play: #15803d;
  --play-dark: #116532;
  --mint: #dff3e4;
  --amber: #fff2cf;
  --sky: #e8f1ff;
  --rose: #ffe8e8;
  --shadow: 0 10px 30px rgba(38, 64, 45, 0.08);
  --radius: 18px;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

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

.page {
  width: min(100%, 720px);
  margin: 0 auto;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 360px);
  min-height: 100vh;
}

.topbar {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand img {
  width: min(210px, 62vw);
  height: auto;
  display: block;
}

.topbar-link,
.outline-button,
.play-button,
.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}

.topbar-link {
  flex: 0 0 auto;
  padding: 0 14px;
  border: 1px solid var(--line);
  color: var(--ink-mid);
  background: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

.hero,
.section,
.final-cta {
  margin: 0 14px;
}

.hero {
  padding: 18px 0 20px;
}

.app-identity {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.app-icon {
  width: 86px;
  height: 86px;
  border-radius: 20px;
  display: block;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--play);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 4px;
  font-size: clamp(30px, 9vw, 46px);
  line-height: 1.08;
  letter-spacing: 0;
}

.developer {
  margin: 0;
  color: var(--ink-muted);
  font-weight: 700;
}

.hero-copy {
  margin: 22px 0 0;
  color: var(--ink-mid);
  font-size: 17px;
}

.cta-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 22px;
}

.play-button {
  gap: 10px;
  min-height: 52px;
  padding: 0 20px;
  background: var(--play);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(21, 128, 61, 0.24);
}

.play-button:hover {
  background: var(--play-dark);
}

.play-mark {
  width: 0;
  height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 14px solid #ffffff;
}

.outline-button {
  padding: 0 18px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink-mid);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 0;
}

.metrics div,
.feature-card,
.info-card,
.final-cta {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.metrics div {
  padding: 14px;
}

.metrics dt {
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 800;
}

.metrics dd {
  margin: 2px 0 0;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.1;
}

.screenshot-band {
  display: flex;
  gap: 12px;
  margin: 14px 0 28px;
  padding: 0 14px 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.screenshot-band::-webkit-scrollbar {
  display: none;
}

.screenshot-band img {
  flex: 0 0 min(82vw, 360px);
  width: min(82vw, 360px);
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #ffffff;
  display: block;
  box-shadow: var(--shadow);
}

.section {
  padding: 26px 0 0;
}

.section-head h2,
.info-card h2,
.final-cta h2 {
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.28;
  letter-spacing: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.feature-card {
  padding: 18px;
}

.feature-card h3 {
  margin: 12px 0 6px;
  font-size: 17px;
  line-height: 1.3;
}

.feature-card p,
.support-copy,
.final-cta p {
  margin-bottom: 0;
  color: var(--ink-mid);
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  position: relative;
}

.palette-icon {
  background: linear-gradient(135deg, #ef4444 0 33%, #f59e0b 33% 66%, #2563eb 66% 100%);
}

.font-icon {
  background: var(--sky);
}

.font-icon::after {
  content: "Aa";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #1d4ed8;
  font-size: 16px;
  font-weight: 900;
}

.mask-icon {
  background: var(--mint);
}

.mask-icon::after {
  content: "";
  width: 18px;
  height: 18px;
  margin: auto;
  border-radius: 50% 50% 50% 0;
  background: var(--play);
  transform: rotate(-45deg);
}

.keyword-icon {
  background: var(--amber);
}

.keyword-icon::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  top: 12px;
  height: 4px;
  border-radius: 8px;
  background: #b45309;
  box-shadow: 0 8px 0 #d97706, 0 16px 0 #f59e0b;
}

.bg-icon {
  background: linear-gradient(135deg, #ffffff 0 48%, #d1fae5 48% 100%);
  border: 1px solid #cde8d2;
}

.make-icon {
  background: var(--rose);
}

.make-icon::before,
.make-icon::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: #dc2626;
}

.make-icon::before {
  width: 20px;
  height: 20px;
  left: 10px;
  top: 12px;
}

.make-icon::after {
  width: 12px;
  height: 12px;
  right: 8px;
  bottom: 9px;
}

.info-section {
  display: grid;
  gap: 10px;
}

.info-card {
  padding: 20px;
}

.check-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 26px;
  color: var(--ink-mid);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 8px;
  border-left: 3px solid var(--play);
  border-bottom: 3px solid var(--play);
  transform: rotate(-45deg);
}

.text-link {
  margin-top: 14px;
  min-height: 0;
  display: inline-flex;
  color: var(--play);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.final-cta {
  margin-top: 28px;
  padding: 22px;
  background: #17351f;
  color: #ffffff;
}

.final-cta p {
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.76);
}

.final-cta .play-button {
  background: #ffffff;
  color: #17351f;
  box-shadow: none;
}

.final-cta .play-mark {
  border-left-color: #17351f;
}

.footer {
  padding: 28px 14px 34px;
  color: var(--ink-muted);
  text-align: center;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 14px;
  margin-bottom: 14px;
}

.footer a {
  color: var(--ink-mid);
  font-size: 14px;
  font-weight: 700;
}

.footer p {
  margin: 0;
  font-size: 12px;
}

:focus-visible {
  outline: 3px solid rgba(21, 128, 61, 0.32);
  outline-offset: 3px;
}

@media (min-width: 560px) {
  .hero,
  .section,
  .final-cta {
    margin-left: 22px;
    margin-right: 22px;
  }

  .cta-row {
    grid-template-columns: 1fr 1fr;
  }

  .metrics,
  .feature-grid,
  .info-section {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .screenshot-band {
    padding-left: 22px;
    padding-right: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}