@font-face {
  font-family: "Pretendard";
  src: url("./assets/fonts/PretendardVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --canvas: #f7f4ee;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #665f55;
  --border: #d8d2c6;
  --accent: #246bfe;
  --accent-dark: #0b3d91;
  --risk-high: #c2410c;
  --risk-mid: #9a6700;
  --risk-low: #2f855a;
  --focus: #111827;
  --panel: #ece7dc;
  --radius: 12px;
  --radius-small: 8px;
  --shadow-line: 0 0 0 1px rgba(23, 23, 23, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

button,
a { min-height: 44px; }

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

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 20;
  transform: translateY(-160%);
  background: var(--ink);
  color: var(--surface);
  padding: 10px 14px;
  border-radius: var(--radius-small);
}

.skip-link:focus { transform: translateY(0); }

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.deadline-shell {
  padding: 24px clamp(16px, 4vw, 56px) 40px;
  border-bottom: 1px solid var(--border);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  max-width: 1440px;
  margin: 0 auto 36px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-small);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-cta,
.primary-link,
.secondary-button,
.calculate-button,
.text-button {
  border: 1px solid var(--ink);
  border-radius: var(--radius-small);
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.nav-cta,
.secondary-button,
.text-button {
  background: transparent;
  color: var(--ink);
  padding: 10px 14px;
}

.primary-link,
.calculate-button {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 800;
  padding: 12px 18px;
}

.primary-link.dark { background: var(--ink); border-color: var(--ink); }

.nav-cta:hover,
.secondary-button:hover,
.text-button:hover,
.primary-link:hover,
.calculate-button:hover { transform: translateY(-2px); }

.nav-cta:active,
.secondary-button:active,
.text-button:active,
.primary-link:active,
.calculate-button:active { transform: translateY(0); }

.hero-grid {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
}

.hero-copy { padding: clamp(16px, 4vw, 48px) 0; }

.eyebrow,
.section-kicker,
.metric-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 800;
  color: var(--accent-dark);
}

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

h1 {
  max-width: 920px;
  font-size: clamp(42px, 8vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.07em;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(30px, 4.5vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.05em;
  margin-bottom: 16px;
}

h3 {
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.hero-lede {
  max-width: 760px;
  font-size: clamp(18px, 2vw, 24px);
  color: var(--muted);
}

.deadline-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink);
  border: 1px solid var(--ink);
  margin: 32px 0;
}

.deadline-strip > div {
  background: var(--surface);
  padding: 18px;
}

.deadline-strip strong {
  display: block;
  font-size: clamp(20px, 3vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-visual {
  position: relative;
  margin: 0;
  transform: translateY(28px);
}

.hero-visual img,
.feature-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--ink);
  filter: saturate(0.9) contrast(1.05);
}

.visual-note {
  position: absolute;
  left: -28px;
  bottom: 42px;
  width: min(280px, 70%);
  background: var(--surface);
  border: 1px solid var(--ink);
  padding: 16px;
  box-shadow: var(--shadow-line);
}

.visual-note span,
.photo-credit,
figcaption {
  color: var(--muted);
  font-size: 12px;
}

.visual-note strong { display: block; line-height: 1.25; margin-top: 4px; }
.photo-credit { display: inline-block; margin-top: 10px; }

.app-shell { padding: 56px clamp(16px, 4vw, 56px); }

.checker-grid {
  max-width: 1440px;
  margin: 0 auto 72px;
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(20px, 3vw, 42px);
  align-items: start;
}

.input-rail,
.report-workspace,
.cta-band,
.evidence-layout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.input-rail { padding: clamp(18px, 3vw, 32px); }
.report-workspace { padding: clamp(18px, 3vw, 36px); position: sticky; top: 20px; }

.muted,
.sample-text,
.status-line,
.confidence { color: var(--muted); }

.mode-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin: 24px 0;
}

.mode-tab {
  min-height: 48px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--ink);
  border-radius: var(--radius-small);
  cursor: pointer;
}

.mode-tab.active {
  background: var(--ink);
  color: var(--surface);
  border-color: var(--ink);
}

.input-panel { display: none; }
.input-panel.active { display: block; }

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

label {
  display: grid;
  gap: 7px;
  font-weight: 800;
  font-size: 14px;
}

label span {
  font-weight: 500;
  color: var(--muted);
  font-size: 13px;
}

input,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  background: #fffdf8;
  color: var(--ink);
  padding: 10px 12px;
}

textarea { resize: vertical; min-height: 168px; }

.toggle-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 18px 0;
}

.toggle-grid label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  background: #fffdf8;
}

.toggle-grid input { width: 18px; min-height: 18px; }

.wide-label { margin-top: 14px; }

.form-errors {
  margin: 16px 0;
  color: #7c2d12;
  font-weight: 800;
}

.calculate-button { width: 100%; margin-top: 8px; }

.report-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.state-pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  min-width: 78px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.loading-state {
  padding: 12px 14px;
  border: 1px dashed var(--accent);
  border-radius: var(--radius-small);
  color: var(--accent-dark);
  margin-bottom: 16px;
}

.risk-summary {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: clamp(16px, 3vw, 28px);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: #fffdf8;
}

.score-ring {
  width: 164px;
  height: 164px;
  border-radius: 50%;
  border: 14px solid var(--border);
  display: grid;
  place-items: center;
  align-content: center;
  transition: border-color 240ms ease, transform 240ms ease;
}

.score-ring span {
  font-size: 54px;
  line-height: 0.9;
  font-weight: 900;
  letter-spacing: -0.07em;
}

.score-ring small { font-weight: 800; color: var(--muted); }

.score-ring.high { border-color: var(--risk-high); }
.score-ring.medium { border-color: var(--risk-mid); }
.score-ring.low { border-color: var(--risk-low); }

.band-label {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 900;
  margin-bottom: 12px;
}

.approval-line { font-size: 17px; }

.report-columns {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 22px;
  margin: 24px 0;
}

.risk-list,
.checklist { padding-left: 20px; }

.risk-list li,
.checklist li {
  margin-bottom: 10px;
  padding-left: 4px;
}

.risk-list strong,
.checklist strong { display: block; }

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

.copy-fallback {
  margin-top: 12px;
  width: 100%;
}

.evidence-layout {
  max-width: 1440px;
  margin: 0 auto 72px;
  display: grid;
  grid-template-columns: 0.9fr 0.56fr 0.74fr;
  gap: 24px;
  align-items: end;
  padding: clamp(18px, 3vw, 34px);
}

.evidence-layout > div { align-self: start; padding-top: 16px; }

.feature-image { margin: 0; }
.feature-image.tall { transform: translateY(28px); }
.feature-image.wide { transform: translateY(-22px); }
.feature-image.wide img { aspect-ratio: 5 / 4; }

.cta-band {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: clamp(22px, 4vw, 44px);
  background: var(--ink);
  color: var(--surface);
  border-color: var(--ink);
}

.cta-band p,
.cta-band .section-kicker { color: #d8d2c6; }

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(360px, calc(100vw - 36px));
  background: var(--ink);
  color: var(--surface);
  border-radius: var(--radius-small);
  padding: 14px 16px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: none;
  z-index: 30;
}

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

.reveal { animation: reveal-up 620ms ease both; }
.hero-visual { animation: visual-float 700ms ease both 120ms; }
.report-workspace { animation: reveal-side 620ms ease both 140ms; }

@keyframes reveal-up {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes reveal-side {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes visual-float {
  from { opacity: 0; transform: translateY(58px) rotate(-1deg); }
  to { opacity: 1; transform: translateY(28px) rotate(0deg); }
}

@media (max-width: 1180px) {
  .hero-grid,
  .checker-grid,
  .evidence-layout,
  .cta-band { grid-template-columns: 1fr; }
  .hero-visual,
  .feature-image.tall,
  .feature-image.wide { transform: none; }
  .hero-visual img { aspect-ratio: 16 / 10; }
  .report-workspace { position: static; }
}

@media (max-width: 760px) {
  .deadline-shell { padding-top: 16px; }
  .topbar { align-items: stretch; flex-direction: column; }
  .hero-grid { gap: 18px; }
  .deadline-strip,
  .field-grid,
  .risk-summary,
  .report-columns,
  .mode-tabs { grid-template-columns: 1fr; }
  .score-ring { width: 132px; height: 132px; border-width: 10px; }
  .score-ring span { font-size: 42px; }
  .visual-note { position: static; width: auto; margin-top: 10px; }
  .export-row > * { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}