@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+KR:wght@400;500;700&display=swap");
@font-face {
  font-family: "Freesentation";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/2404@1.0/Freesentation-7Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Freesentation";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/2404@1.0/Freesentation-4Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --color-bg: #EDF4F7;
  --color-deep: #0F2E3D;
  --color-blue: #2E7D9A;
  --color-gold: #E0A93C;
  --color-darkest: #071C26;
  --font-display: "Freesentation", system-ui, -apple-system, "Malgun Gothic", sans-serif;
  --font-body: "IBM Plex Sans KR", system-ui, -apple-system, "Malgun Gothic", sans-serif;
}

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

.site-header {
  background: var(--color-bg);
}
.site-header__logo {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-deep);
}
.site-header__nav a {
  font-size: 0.9rem;
  color: var(--color-deep);
}
.site-header__nav a:hover,
.site-header__nav a:focus-visible {
  text-decoration: underline;
}

/* ---- 상단 고정 앵커 내비 ---- */
.anchor-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--color-deep);
  padding: 0.6rem clamp(1rem, 4vw, 2.5rem);
}
.anchor-nav ul {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: center;
}
.anchor-nav a {
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 500;
}
.anchor-nav a:hover,
.anchor-nav a:focus-visible {
  color: var(--color-gold);
}

.hero {
  background: #FFFFFF;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.5vw, 2.5rem);
}
.hero__cta {
  background: var(--color-deep);
  color: #FFFFFF;
  border-radius: 999px;
  padding: 0.85em 1.7em;
  font-weight: 700;
  width: fit-content;
}

.section {
  scroll-margin-top: 3.5rem;
}
.section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
}

/* ---- 시그니처: 진단 절차 도해 3종 ---- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-block: 1.5rem;
}
.method-grid .method {
  background: #FFFFFF;
  border-radius: 14px;
  padding: 1.25rem;
  scroll-margin-top: 3.5rem;
}
.method h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}
.method p {
  font-size: 0.88rem;
  line-height: 1.6;
}
@media (max-width: 860px) {
  .method-grid { grid-template-columns: 1fr; }
}

/* 살수 시험 도해: 물줄기 각도 */
.diagram-spray {
  height: 90px;
  position: relative;
  margin-bottom: 0.75rem;
  background: var(--color-bg);
  border-radius: 8px;
  overflow: hidden;
}
.diagram-spray::before {
  content: "";
  position: absolute;
  left: 15%;
  bottom: 0;
  width: 2px;
  height: 70%;
  background: var(--color-blue);
  transform: rotate(25deg);
  transform-origin: bottom;
}
.diagram-spray::after {
  content: "물줄기 →";
  position: absolute;
  right: 10%;
  top: 30%;
  font-size: 0.75rem;
  color: var(--color-deep);
}

/* 적외선 확인 도해: 온도 그라디언트 바 */
.diagram-infrared {
  height: 24px;
  border-radius: 999px;
  margin-bottom: 0.75rem;
  background: linear-gradient(90deg, var(--color-blue), var(--color-bg), var(--color-gold));
}

/* 수분 측정 도해: 게이지 */
.diagram-moisture {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  margin: 0 auto 0.75rem;
  background: conic-gradient(var(--color-blue) 0deg 130deg, var(--color-bg) 130deg 360deg);
  position: relative;
}
.diagram-moisture::before {
  content: "";
  position: absolute;
  inset: 12px;
  background: #FFFFFF;
  border-radius: 50%;
}

/* ---- 후기 ---- */
.reviews blockquote {
  background: #FFFFFF;
  border-radius: 14px;
  padding: 1.1rem;
}
.reviews cite {
  color: var(--color-deep);
  font-size: 0.85rem;
  font-weight: 700;
}

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

/* ---- CTA ---- */
.cta-block {
  background: var(--color-deep);
  color: #FFFFFF;
}
.cta-block__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
}
.cta-block__button {
  background: var(--color-gold);
  color: var(--color-darkest);
  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: #FFFFFF;
  border-radius: 999px;
  padding: 0.5em 1em;
  font-size: 0.88rem;
}
.related-links a:hover,
.related-links a:focus-visible {
  background: var(--color-deep);
  color: #FFFFFF;
}

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