@font-face {
  font-family: 'Taenada';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2210-2@1.0/Tenada.woff2') format('woff2');
  font-weight: normal;
  font-display: swap;
}

:root {
  --c-white: #FFFFFF;
  --c-navy-900: #1B263B;
  --c-red-500: #E63946;
  --c-ice-300: #A8DADC;
  --c-blue-600: #457B9D;
  --font-display: 'Taenada', 'Pretendard Variable', system-ui, sans-serif;
  --font-body: 'Pretendard Variable', system-ui, -apple-system, 'Malgun Gothic', sans-serif;
}

body {
  font-family: var(--font-body);
  background: var(--c-white);
  color: var(--c-navy-900);
}
h1, h2, .logo { font-family: var(--font-display); }
h3 { font-family: var(--font-body); font-weight: 700; }

header { background: var(--c-white); border-bottom: 1px solid var(--c-ice-300); }
header .logo { font-size: 1.25rem; color: var(--c-navy-900); }
header nav a { color: var(--c-blue-600); font-size: 0.9rem; }
header nav a:hover, header nav a:focus-visible { color: var(--c-red-500); }

/* hero with overlapping card */
.hero { background: var(--c-navy-900); position: relative; padding-bottom: 3.5rem; }
.hero .container { max-width: 760px; }
.hero h1 { font-size: clamp(1.9rem, 4.4vw, 2.6rem); color: #fff; }
.hero .lead { margin-top: 0.9rem; color: var(--c-ice-300); max-width: 32rem; }
.hero .btn-tel {
  margin-top: 1.3rem;
  display: inline-block;
  background: var(--c-red-500);
  color: #fff;
  padding: 0.8em 1.7em;
  border-radius: 6px;
  font-weight: 700;
}
.hero .btn-tel:hover { background: #c62e3a; }
.hero-overlap {
  position: relative;
  max-width: 760px;
  margin: -2.5rem auto 0 auto;
  padding-inline: 1.25rem;
}
.hero-overlap .card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 12px 30px rgba(27,38,59,0.18);
  padding: 1.1rem 1.4rem;
  font-size: 0.94rem;
  color: var(--c-navy-900);
}
.hero-overlap .card strong { color: var(--c-red-500); }

main .container { padding-top: 3rem; }
main section > h2 { font-size: 1.5rem; color: var(--c-navy-900); margin-bottom: 1.3rem; }
main p { color: #33445e; }
main p + p { margin-top: 0.8rem; }

/* 3-col pressure diagram */
.pressure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.pressure-card {
  background: #f7fafb;
  border: 1px solid var(--c-ice-300);
  border-radius: 8px;
  padding: 1.2rem;
  text-align: center;
}
.pressure-diagram {
  width: 64px;
  height: 64px;
  margin: 0 auto 0.9rem auto;
  border-radius: 50%;
  border: 3px solid var(--c-blue-600);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.pressure-diagram::before {
  content: "";
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-red-500);
}
.pressure-card.step-2 .pressure-diagram::before { width: 44px; height: 44px; }
.pressure-card.step-3 .pressure-diagram::before { width: 14px; height: 14px; }
.pressure-card h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.pressure-card p { font-size: 0.86rem; color: #33445e; }

.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.fit-col { border-radius: 8px; padding: 1.1rem 1.2rem; }
.fit-col.good { background: #eef6f6; border: 1px solid var(--c-ice-300); }
.fit-col.bad { background: #fdecee; border: 1px solid #f3c1c6; }
.fit-col h3 { font-size: 1rem; margin-bottom: 0.7rem; }
.fit-col.good h3 { color: var(--c-blue-600); }
.fit-col.bad h3 { color: var(--c-red-500); }
.fit-col ul { display: grid; gap: 0.5rem; font-size: 0.9rem; color: #33445e; }

.warn-box {
  background: #fdecee;
  border-left: 4px solid var(--c-red-500);
  border-radius: 4px;
  padding: 1rem 1.2rem;
  margin-bottom: 1rem;
}
.warn-box p { color: var(--c-navy-900); }

.review-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
blockquote.review {
  background: #f7fafb;
  border-radius: 8px;
  padding: 1rem 1.1rem;
  font-size: 0.9rem;
  color: #33445e;
}
blockquote.review cite { display: block; margin-top: 0.5rem; font-style: normal; font-size: 0.8rem; color: var(--c-blue-600); }

.related-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.related-links a {
  border: 1px solid var(--c-blue-600);
  color: var(--c-blue-600);
  border-radius: 6px;
  padding: 0.5em 1.1em;
  font-size: 0.88rem;
}
.related-links a:hover { background: var(--c-blue-600); color: #fff; }

.cta { background: var(--c-red-500); color: #fff; }
.cta h3 { color: #fff; margin-bottom: 0.6rem; font-size: 1.3rem; }
.cta p { color: #ffe0e2; margin-bottom: 1.1rem; }
.cta a[href^="tel:"] { background: var(--c-navy-900); color: #fff; border-radius: 6px; font-weight: 700; }
.cta a[href^="tel:"]:hover { background: #101a2b; }

footer { background: var(--c-navy-900); color: #a9b6c9; font-size: 0.85rem; }
footer a { color: #a9b6c9; }
footer nav a { margin-right: 0.2rem; }

figcaption { color: #33445e; margin-top: 0.5rem; }

@media (max-width: 760px) {
  .pressure-grid { grid-template-columns: 1fr; }
  .fit-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
}