:root {
  color-scheme: dark;
  font-family:
    Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-synthesis: none;
  --bg: #08110f;
  --surface: #101c19;
  --surface-raised: #172723;
  --line: #29423b;
  --text: #eef8f4;
  --muted: #91aaa2;
  --mint: #65f2bf;
  --cyan: #58c7e8;
  --amber: #ffc56e;
  --danger: #ff7b73;
  --shadow: 0 24px 80px rgb(0 0 0 / 28%);
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgb(50 132 105 / 18%), transparent 34rem),
    radial-gradient(circle at 100% 100%, rgb(37 111 139 / 14%), transparent 38rem), var(--bg);
}

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

a {
  color: inherit;
}

.landing-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(48px, 8vw, 112px) 0 40px;
}

.hero-card {
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--mint);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

.hero-card h1 {
  margin-bottom: 20px;
  font-size: clamp(3.4rem, 10vw, 7.8rem);
  font-weight: 750;
  letter-spacing: -0.075em;
  line-height: 0.9;
}

.hero-copy {
  max-width: 760px;
  margin-bottom: 28px;
  color: #c8d9d3;
  font-size: clamp(1.06rem, 2vw, 1.34rem);
  line-height: 1.65;
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 12px;
  border: 1px solid rgb(101 242 191 / 35%);
  border-radius: 999px;
  color: var(--mint);
  background: rgb(101 242 191 / 8%);
  font-size: 0.78rem;
  font-weight: 650;
}

.status-chip--neutral {
  border-color: var(--line);
  color: var(--muted);
  background: rgb(255 255 255 / 2%);
}

.status-chip--warning {
  border-color: rgb(255 197 110 / 42%);
  color: var(--amber);
  background: rgb(255 197 110 / 8%);
}

.workflow-card {
  margin-top: clamp(42px, 7vw, 72px);
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgb(255 255 255 / 2%);
}

.workflow-card__heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.workflow-card__heading h2,
.quick-start-card h2 {
  margin-bottom: 0;
  letter-spacing: -0.035em;
}

.workflow-card__heading a,
.quick-start-card a {
  color: var(--mint);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.workflow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 24px 0 16px;
  padding: 0;
  list-style: none;
  counter-reset: workflow;
}

.workflow-list li {
  position: relative;
  min-height: 104px;
  padding: 18px;
  border: 1px solid rgb(101 242 191 / 18%);
  border-radius: 14px;
  background: rgb(101 242 191 / 5%);
  counter-increment: workflow;
}

.workflow-list li::before {
  display: block;
  margin-bottom: 18px;
  color: var(--mint);
  content: "0" counter(workflow);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.1em;
}

.workflow-list strong,
.workflow-list span {
  display: block;
}

.workflow-list strong {
  font-size: 0.9rem;
}

.workflow-list span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.78rem;
}

.workflow-note {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.65;
}

.launcher-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.launcher-card {
  display: grid;
  min-height: 310px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 24px;
  color: inherit;
  background: linear-gradient(145deg, rgb(255 255 255 / 5%), rgb(255 255 255 / 1%));
  box-shadow: var(--shadow);
  text-decoration: none;
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    background 160ms ease;
}

.launcher-card:hover,
.launcher-card:focus-visible {
  border-color: var(--mint);
  background: linear-gradient(145deg, rgb(101 242 191 / 10%), rgb(255 255 255 / 2%));
  outline: none;
  transform: translateY(-4px);
}

.launcher-card--accent:hover,
.launcher-card--accent:focus-visible {
  border-color: var(--cyan);
  background: linear-gradient(145deg, rgb(88 199 232 / 11%), rgb(255 255 255 / 2%));
}

.launcher-card__number {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.launcher-card h2 {
  margin-bottom: 14px;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  letter-spacing: -0.04em;
}

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

.launcher-card__action {
  align-self: end;
  color: var(--mint);
  font-size: 0.9rem;
  font-weight: 720;
}

.launcher-card--accent .launcher-card__action {
  color: var(--cyan);
}

.quick-start-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.quick-start-card {
  padding: clamp(22px, 4vw, 32px);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
}

.quick-start-card p:not(.eyebrow) {
  margin: 18px 0;
  color: var(--muted);
  line-height: 1.7;
}

.quick-start-card strong {
  color: var(--text);
}

.landing-footer {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 44px;
  color: var(--muted);
  font-size: 0.78rem;
}

.landing-footer a {
  text-decoration: none;
}

.landing-footer a:hover {
  color: var(--text);
}

.app-shell {
  min-height: 100vh;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 12px clamp(18px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
  background: rgb(8 17 15 / 90%);
  backdrop-filter: blur(18px);
}

.app-brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.app-brand strong {
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.app-brand span {
  color: var(--muted);
  font-size: 0.76rem;
}

.app-main {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 65px);
  padding: 28px;
}

.empty-state {
  width: min(680px, 100%);
  padding: clamp(28px, 6vw, 56px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.empty-state h1 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 6vw, 3.5rem);
  letter-spacing: -0.055em;
}

.empty-state p {
  color: var(--muted);
  line-height: 1.75;
}

@media (max-width: 720px) {
  .launcher-grid,
  .quick-start-grid,
  .workflow-list {
    grid-template-columns: 1fr;
  }

  .workflow-card__heading {
    align-items: start;
    flex-direction: column;
  }

  .workflow-list li {
    min-height: auto;
  }

  .launcher-card {
    min-height: 260px;
  }

  .app-brand span {
    display: none;
  }
}

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

/* Compact, task-first landing page. */
.landing-header {
  display: flex;
  width: min(1120px, calc(100% - 40px));
  min-height: 64px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.landing-brand,
.landing-docs {
  color: inherit;
  font-weight: 760;
  text-decoration: none;
}

.landing-brand {
  font-size: 1rem;
  letter-spacing: -0.035em;
}

.landing-docs {
  color: var(--muted);
  font-size: 0.78rem;
}

.landing-docs:hover,
.landing-docs:focus-visible {
  color: var(--text);
}

.landing-header .status-row {
  justify-content: center;
  margin-left: auto;
}

.landing-shell {
  width: min(960px, calc(100% - 40px));
  padding: clamp(44px, 8vw, 84px) 0 36px;
}

.landing-intro {
  max-width: 720px;
}

.landing-intro .eyebrow {
  margin-bottom: 10px;
}

.landing-intro h1 {
  margin-bottom: 12px;
  font-size: clamp(2.25rem, 6vw, 4.2rem);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 1;
}

.landing-intro > p:last-child {
  margin-bottom: 0;
  color: #c8d9d3;
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  line-height: 1.6;
}

.landing-shell .launcher-grid {
  gap: 16px;
  margin-top: 28px;
}

.landing-shell .launcher-card {
  grid-template-rows: auto 1fr auto;
  min-height: 250px;
  padding: clamp(22px, 4vw, 30px);
  border-radius: 20px;
  box-shadow: 0 16px 48px rgb(0 0 0 / 20%);
}

.landing-shell .launcher-card:hover,
.landing-shell .launcher-card:focus-visible {
  transform: translateY(-3px);
}

.launcher-card__number {
  font: 750 0.7rem ui-monospace, SFMono-Regular, Consolas, monospace;
}

.launcher-card__kicker {
  margin: 28px 0 6px !important;
  color: var(--mint) !important;
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.launcher-card--accent .launcher-card__kicker {
  color: var(--cyan) !important;
}

.landing-shell .launcher-card h2 {
  margin-bottom: 10px;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.landing-shell .launcher-card p {
  line-height: 1.6;
}

.landing-shell .launcher-card__action {
  margin-top: 24px;
  font-size: 0.84rem;
}

.workflow-disclosure {
  margin-top: 16px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgb(255 255 255 / 2%);
}

.workflow-disclosure summary {
  padding: 16px 0;
  color: #c8d9d3;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
}

.workflow-disclosure[open] summary {
  border-bottom: 1px solid var(--line);
}

.workflow-disclosure .workflow-list {
  margin: 16px 0 12px;
}

.workflow-disclosure .workflow-list li {
  min-height: 78px;
  padding: 12px;
  border-radius: 10px;
}

.workflow-disclosure .workflow-list li::before {
  margin-bottom: 9px;
  font-size: 0.62rem;
}

.workflow-disclosure .workflow-list strong {
  font-size: 0.78rem;
}

.workflow-disclosure .workflow-list span {
  margin-top: 4px;
  font-size: 0.68rem;
  line-height: 1.4;
}

.workflow-disclosure .workflow-note {
  margin: 0 0 16px;
  font-size: 0.74rem;
  line-height: 1.55;
}

.workflow-disclosure .workflow-note a {
  color: var(--mint);
}

@media (max-width: 720px) {
  .landing-header {
    min-height: 58px;
    gap: 10px;
  }

  .landing-header .status-chip--neutral {
    display: none;
  }

  .landing-shell .launcher-card {
    min-height: 220px;
  }
}

@media (max-width: 430px) {
  .landing-header,
  .landing-shell {
    width: min(100% - 28px, 960px);
  }

  .landing-header {
    flex-wrap: wrap;
    padding-top: 12px;
  }

  .landing-header .status-row {
    order: 3;
    width: 100%;
    margin: 0 0 10px;
  }

  .landing-shell {
    padding-top: 36px;
  }

  .landing-intro h1 {
    font-size: 2.25rem;
  }

  .landing-shell .launcher-card {
    min-height: 205px;
  }
}