/* ==========================================================================
   base.css - 리셋 + 구조 전용. 색상·폰트는 페이지별 style.css의 :root에서 정의.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
}
img, picture { max-width: 100%; display: block; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.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;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.75em 1.25em;
}
.skip-link:focus {
  left: 0.5em;
  top: 0.5em;
}

:focus-visible {
  outline-width: 3px;
  outline-style: solid;
  outline-offset: 2px;
}

/* ---- header ---- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
}
.site-header__logo { font-weight: 700; }
.site-header__nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}

/* ---- hero ---- */
.hero {
  padding: clamp(2rem, 6vw, 4rem) clamp(1rem, 4vw, 2.5rem);
}
.hero h1 {
  line-height: 1.25;
}
.hero__lead {
  margin-top: 0.75rem;
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-top: 1.5rem;
}

/* ---- main / sections ---- */
main {
  padding: 0 clamp(1rem, 4vw, 2.5rem);
}
.section {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}
.section h2 {
  line-height: 1.35;
}
.section p {
  line-height: 1.75;
}
.section p + p { margin-top: 1em; }

figure {
  margin-inline: auto;
  margin-block: clamp(1.5rem, 4vw, 2.5rem);
  max-width: 450px;
}
figure img {
  width: 100%;
  height: auto;
  margin: 0 auto;
}
figure figcaption {
  margin-top: 0.5rem;
}

/* ---- 안전/한계 고지 ---- */
.notice {
  padding: 1.25rem clamp(1rem, 3vw, 1.75rem);
}
.notice h3 {
  margin-bottom: 0.5rem;
}
.notice ul { display: grid; gap: 0.4rem; }

/* ---- 후기 ---- */
.reviews ul {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.reviews blockquote {
  padding: 1.25rem;
}
.reviews cite {
  display: block;
  margin-top: 0.75rem;
  font-style: normal;
}

/* ---- CTA 블록 ---- */
.cta-block {
  padding: clamp(2rem, 5vw, 3rem) clamp(1rem, 4vw, 2.5rem);
  text-align: center;
}
.cta-block__button {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.9em 1.75em;
}

/* ---- 내부링크 ---- */
.related-links {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}
.related-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

/* ---- footer ---- */
.site-footer {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}
.site-footer p { line-height: 1.6; }
.site-footer nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 1rem;
}

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