@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css");

@font-face {
  font-family: "Paperlogy";
  src: url("https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-7Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Paperlogy";
  src: url("https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-5Medium.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

:root {
  --color-bg: #FFFFFF;
  --color-ink: #1B2A4A;
  --color-accent: #4A6FA5;
  --color-pale: #A7C0DC;
  --color-surface: #EFF3F8;
  --font-display: "Paperlogy", system-ui, -apple-system, "Malgun Gothic", sans-serif;
  --font-body: "Pretendard Variable", system-ui, -apple-system, "Malgun Gothic", sans-serif;
}

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
}

/* ---- header ---- */
.site-header__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-ink);
}
.site-header__nav a {
  font-size: 0.9rem;
  color: var(--color-ink);
}
.site-header__nav a:hover,
.site-header__nav a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ---- hero ---- */
.hero {
  background: var(--color-surface);
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
}
.hero__cta {
  background: var(--color-accent);
  color: #FFFFFF;
  border-radius: 999px;
  padding: 0.85em 1.7em;
  font-weight: 700;
  width: fit-content;
}

.section h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--color-ink);
}

/* ---- 시그니처: 좌측 번호 레일 + 세로 스텝 (6단계) ---- */
.step-rail {
  display: grid;
  grid-template-columns: 64px 1fr;
  margin-block: 1.5rem;
}
.step-rail .rail {
  position: relative;
}
.step-rail .rail::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 50%;
  width: 3px;
  background: var(--color-pale);
  transform: translateX(-50%);
}
.step {
  display: contents;
}
.step__num {
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-ink);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0.4rem auto;
}
.step__body {
  padding: 0.5rem 0 1.5rem 1.25rem;
}
.step__body h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}
.step__body p {
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ---- 실수 목록 ---- */
.mistake-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}
.mistake-list li {
  background: var(--color-surface);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  font-size: 0.92rem;
}

/* ---- 후기 ---- */
.reviews blockquote {
  background: var(--color-surface);
  border-radius: 10px;
  padding: 1.1rem;
}
.reviews cite {
  color: var(--color-ink);
  font-size: 0.85rem;
  font-weight: 700;
}

/* ---- figure ---- */
figure figcaption {
  font-size: 0.85rem;
  color: var(--color-ink);
  text-align: center;
}

/* ---- CTA ---- */
.cta-block {
  background: var(--color-ink);
  color: #FFFFFF;
}
.cta-block__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
}
.cta-block__button {
  background: var(--color-accent);
  color: #FFFFFF;
  border-radius: 999px;
  font-weight: 700;
}

/* ---- related links ---- */
.related-links__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}
.related-links a {
  background: var(--color-surface);
  border-radius: 999px;
  padding: 0.5em 1em;
  font-size: 0.88rem;
}
.related-links a:hover,
.related-links a:focus-visible {
  background: var(--color-accent);
  color: #FFFFFF;
}

/* ---- footer ---- */
.site-footer {
  background: var(--color-ink);
  color: #FFFFFF;
  font-size: 0.85rem;
}
.site-footer nav a:hover,
.site-footer nav a:focus-visible {
  text-decoration: underline;
}

@media (max-width: 560px) {
  .step-rail { grid-template-columns: 48px 1fr; }
  .step__num { width: 32px; height: 32px; font-size: 0.85rem; }
}