:root {
  color-scheme: light;
  --bg: #f3efe7;
  --bg-start: #f6f1e8;
  --bg-end: #f2ece2;
  --bg-accent-warm: rgba(217, 140, 43, 0.16);
  --bg-accent-cool: rgba(22, 93, 69, 0.12);
  --grid-line-strong: rgba(255, 255, 255, 0.22);
  --grid-line-soft: rgba(255, 255, 255, 0.16);
  --panel: rgba(255, 255, 255, 0.76);
  --panel-strong: #ffffff;
  --item-panel: rgba(255, 255, 255, 0.68);
  --input-panel: rgba(255, 255, 255, 0.72);
  --text: #16202d;
  --muted: #5d6a78;
  --line: rgba(22, 32, 45, 0.12);
  --subtle-line: rgba(22, 32, 45, 0.08);
  --primary: #165d45;
  --primary-strong: #0f4635;
  --accent: #d98c2b;
  --accent-soft: #f6d7ab;
  --premium: #1f3a5f;
  --shadow: 0 18px 50px rgba(29, 36, 47, 0.12);
  --button-surface: rgba(255, 255, 255, 0.74);
  --chip-surface: rgba(255, 255, 255, 0.7);
  --foot-chip: rgba(22, 32, 45, 0.05);
  --premium-card-bg: linear-gradient(180deg, rgba(31, 58, 95, 0.08), rgba(255, 255, 255, 0.78));
  --ad-bg: linear-gradient(145deg, rgba(217, 140, 43, 0.12), rgba(255, 255, 255, 0.7));
  --featured-plan-bg: linear-gradient(135deg, rgba(22, 93, 69, 0.12), rgba(255, 255, 255, 0.82));
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111827;
  --bg-start: #0f172a;
  --bg-end: #111827;
  --bg-accent-warm: rgba(217, 140, 43, 0.14);
  --bg-accent-cool: rgba(78, 181, 139, 0.14);
  --grid-line-strong: rgba(255, 255, 255, 0.08);
  --grid-line-soft: rgba(255, 255, 255, 0.06);
  --panel: rgba(22, 32, 45, 0.78);
  --panel-strong: #182334;
  --item-panel: rgba(27, 39, 55, 0.78);
  --input-panel: rgba(18, 27, 40, 0.82);
  --text: #eef4f1;
  --muted: #a7b4c4;
  --line: rgba(226, 232, 240, 0.14);
  --subtle-line: rgba(226, 232, 240, 0.1);
  --primary: #61c79b;
  --primary-strong: #2e9f76;
  --accent: #f0ad55;
  --accent-soft: rgba(240, 173, 85, 0.2);
  --premium: #9dbef5;
  --shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
  --button-surface: rgba(25, 36, 52, 0.9);
  --chip-surface: rgba(25, 36, 52, 0.82);
  --foot-chip: rgba(226, 232, 240, 0.08);
  --premium-card-bg: linear-gradient(180deg, rgba(92, 137, 204, 0.14), rgba(22, 32, 45, 0.82));
  --ad-bg: linear-gradient(145deg, rgba(217, 140, 43, 0.16), rgba(24, 35, 52, 0.82));
  --featured-plan-bg: linear-gradient(135deg, rgba(97, 199, 155, 0.16), rgba(24, 35, 52, 0.86));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, var(--bg-accent-warm), transparent 32%),
    radial-gradient(circle at right top, var(--bg-accent-cool), transparent 28%),
    linear-gradient(180deg, var(--bg-start) 0%, var(--bg-end) 100%);
  transition: background-color 180ms ease, color 180ms ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(var(--grid-line-strong) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line-soft) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.18), transparent 70%);
  opacity: 0.35;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.page-shell {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 28px;
  position: relative;
  z-index: 1;
}

.topbar,
.card-surface,
.resource-card {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), #3c8d6a);
  color: white;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.eyebrow,
.small-title {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
}

.topbar h1,
.hero h2,
.section-head h3,
.newsletter h3 {
  margin: 0;
  line-height: 1.1;
}

.topbar h1 {
  font-size: 1.22rem;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.topnav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
}

.topnav a:hover {
  color: var(--primary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.primary-btn,
.ghost-btn,
.theme-toggle {
  border-radius: 999px;
  padding: 12px 18px;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.primary-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
  box-shadow: 0 10px 26px rgba(22, 93, 69, 0.22);
}

.ghost-btn {
  background: var(--button-surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 94px;
  justify-content: center;
  background: var(--button-surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.theme-icon {
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  font-size: 1rem;
  line-height: 1;
}

.primary-btn:hover,
.ghost-btn:hover,
.theme-toggle:hover,
.chip:hover {
  transform: translateY(-1px);
}

.layout {
  display: grid;
  gap: 20px;
}

.card-surface,
.resource-card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 22px;
  padding: 28px;
}

.hero-copy h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  margin-top: 10px;
  max-width: 12ch;
}

.hero-copy p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.75;
  max-width: 58ch;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(22, 93, 69, 0.1);
  color: var(--primary);
  font-size: 0.92rem;
  font-weight: 600;
}

.hero-actions {
  margin-top: 22px;
  display: flex;
  gap: 12px;
  align-items: end;
  flex-wrap: wrap;
}

.search-box {
  flex: 1 1 280px;
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--input-panel);
}

.search-box span {
  font-size: 0.85rem;
  color: var(--muted);
}

.search-box input,
.newsletter-form input {
  border: 0;
  outline: none;
  background: transparent;
  min-width: 0;
}

.search-box input {
  font-size: 1rem;
}

.quick-stats {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.quick-stats article,
.spotlight-card,
.ad-banner,
.tool-list article,
.pricing-grid article {
  border-radius: 20px;
  background: var(--item-panel);
  border: 1px solid var(--subtle-line);
}

.quick-stats article {
  padding: 16px;
}

.quick-stats strong {
  display: block;
  font-size: 1.45rem;
}

.quick-stats span {
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.spotlight-card {
  padding: 18px;
}

.spotlight-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.revenue-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.revenue-grid span {
  padding: 12px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(217, 140, 43, 0.14), rgba(22, 93, 69, 0.08));
  font-size: 0.92rem;
  font-weight: 600;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.9fr);
  gap: 20px;
}

.main-column,
.side-column {
  display: grid;
  gap: 20px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.section-head h3,
.newsletter h3 {
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.filter-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.chip {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--chip-surface);
  color: var(--text);
}

.chip.active {
  background: var(--text);
  color: var(--bg);
}

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

.resource-card {
  padding: 20px;
  min-height: 194px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  cursor: pointer;
}

.resource-card:hover,
.resource-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(22, 93, 69, 0.25);
  box-shadow: 0 20px 54px rgba(29, 36, 47, 0.16);
  outline: none;
}

.resource-card h4 {
  margin: 12px 0 10px;
  font-size: 1.1rem;
}

.resource-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.card-topline,
.card-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.card-topline {
  justify-content: space-between;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.84rem;
}

.tag.free {
  background: rgba(22, 93, 69, 0.1);
  color: var(--primary);
}

.tag.premium {
  background: rgba(31, 58, 95, 0.12);
  color: var(--premium);
}

.card-foot {
  margin-top: 18px;
}

.card-foot span {
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--foot-chip);
  color: var(--muted);
  font-size: 0.88rem;
}

.resource-card.is-hidden {
  display: none;
}

.resource-card.is-popular {
  border-color: rgba(217, 140, 43, 0.42);
}

.premium-card {
  background: var(--premium-card-bg);
}

.ad-slot,
.premium-offer,
.newsletter {
  padding: 22px;
}

.ad-banner {
  min-height: 250px;
  padding: 20px;
  display: grid;
  align-content: center;
  text-align: center;
  gap: 12px;
  background: var(--ad-bg);
}

.ad-banner span {
  font-weight: 700;
  color: var(--accent);
}

.ad-banner strong {
  font-size: 1.1rem;
}

.ad-banner p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.tool-list {
  display: grid;
  gap: 10px;
}

.tool-list article,
.pricing-grid article {
  padding: 14px 16px;
}

.pricing-grid article {
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.pricing-grid article:hover,
.pricing-grid article:focus-visible,
.pricing-grid article.is-selected {
  border-color: rgba(22, 93, 69, 0.32);
  box-shadow: 0 12px 28px rgba(29, 36, 47, 0.12);
  outline: none;
}

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

.tool-list strong,
.pricing-grid strong {
  display: block;
  margin-bottom: 6px;
}

.tool-list span,
.pricing-grid span,
.benefit-list {
  color: var(--muted);
}

.pricing-grid {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}

.featured-plan {
  border-color: rgba(22, 93, 69, 0.24);
  background: var(--featured-plan-bg);
}

.plan-name {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.benefit-list {
  margin: 0 0 18px;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  line-height: 1.6;
}

.full-width {
  width: 100%;
}

.newsletter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.newsletter p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
  max-width: 58ch;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  align-items: center;
  min-width: min(100%, 440px);
}

.newsletter-form input {
  flex: 1;
  min-width: 0;
  padding: 14px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--input-panel);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 18px 6px 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(22, 32, 45, 0.92);
  color: white;
  box-shadow: 0 16px 34px rgba(17, 22, 28, 0.28);
  transform: translateY(18px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1080px) {
  .hero,
  .content-grid,
  .newsletter {
    grid-template-columns: 1fr;
  }

  .newsletter {
    display: grid;
  }

  .newsletter-form {
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 860px) {
  .topbar {
    border-radius: 28px;
    padding: 18px;
    display: grid;
    justify-items: start;
  }

  .topnav,
  .topbar-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .resource-grid,
  .quick-stats {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .filter-chips {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 20px, 1280px);
    padding-top: 10px;
  }

  .hero,
  .ad-slot,
  .premium-offer,
  .newsletter {
    padding: 18px;
  }

  .hero-copy h2 {
    max-width: none;
  }

  .hero-actions,
  .newsletter-form {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-btn,
  .ghost-btn,
  .theme-toggle {
    width: 100%;
  }
}