/* 소개 페이지(에코알막 C형강·지붕 덧방) — 진단 페이지와 같은 색·글꼴, 휴대폰 우선 */
.prod { max-width: 960px; margin: 0 auto; padding: 0 16px 40px; }
.p-hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; padding: 28px 0 8px; }
.p-art { width: 100%; height: auto; display: block; }
.p-hero img { width: 100%; height: auto; max-height: 420px; object-fit: cover; border-radius: 16px; box-shadow: var(--shadow); }
.p-badge { display: inline-block; background: var(--sun-soft); color: #7a5200; font-weight: 700; font-size: .85rem; border-radius: 999px; padding: 6px 12px; }
.p-hero h1 { font-size: clamp(1.7rem, 6vw, 2.4rem); line-height: 1.25; color: var(--navy); margin: 12px 0 10px; }
.p-lead { font-size: 1.02rem; color: var(--ink-2); line-height: 1.7; margin: 0; }
.p-sec { margin-top: 36px; }
.p-sec h2 { font-size: 1.35rem; color: var(--navy); margin: 0 0 10px; }
.p-sec > p { color: var(--ink-2); line-height: 1.7; margin: 0 0 10px; }
.p-grid2, .p-grid3 { display: grid; gap: 12px; }
.p-grid2 { grid-template-columns: 1fr 1fr; } .p-grid3 { grid-template-columns: repeat(3, 1fr); }
.p-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.p-card h3 { font-size: 1.08rem; color: var(--navy); margin: 0 0 6px; }
.p-card p { margin: 0; color: var(--ink-2); line-height: 1.65; }
.p-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 8px; }
.p-photos3 { grid-template-columns: repeat(3, 1fr); }
.p-photos figure { margin: 0; }
.p-photos img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px; display: block; background: var(--bg); }
.p-photos figcaption { font-size: .85rem; color: var(--ink-2); margin-top: 4px; }
.p-table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.p-table th, .p-table td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: .95rem; }
.p-table th { width: 26%; color: var(--ink-2); font-weight: 600; background: #fafbfc; }
.p-cmp th:first-child { width: 20%; } .p-cmp tr:first-child th { background: var(--navy); color: #fff; }
.p-split { display: grid; grid-template-columns: 1.6fr 1fr; gap: 16px; align-items: start; }
.p-split img { width: 100%; max-height: 300px; object-fit: contain; border-radius: 12px; background: #fff; box-shadow: var(--shadow); }
.p-calc { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.p-calc label { font-weight: 700; display: flex; align-items: center; gap: 8px; }
.p-calc input { width: 140px; min-height: 44px; font-size: 1.05rem; padding: 0 12px; border: 1.5px solid var(--line); border-radius: 10px; }
.p-calc select { min-height: 44px; font-size: 1rem; border: 1.5px solid var(--line); border-radius: 10px; padding: 0 10px; }
.p-calc output { flex-basis: 100%; font-size: 1.15rem; font-weight: 800; color: var(--ok); min-height: 1.4em; }
.p-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; counter-reset: s; }
.p-steps li { counter-increment: s; background: var(--card); border-radius: 12px; box-shadow: var(--shadow); padding: 14px 16px 14px 56px; position: relative; display: grid; gap: 2px; }
.p-steps li::before { content: counter(s); position: absolute; left: 16px; top: 14px; width: 28px; height: 28px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; display: grid; place-items: center; }
.p-steps b { color: var(--navy); } .p-steps span { color: var(--ink-2); font-size: .93rem; }
.p-cta { margin-top: 40px; background: var(--navy); color: #fff; border-radius: 18px; padding: 24px; text-align: center; }
.p-cta h2 { color: #fff; margin: 0 0 6px; font-size: 1.3rem; } .p-cta p { color: #cfe0f1; margin: 0; }
.p-cta .muted, .p-cta .muted a { color: #cfe0f1; }
.p-cta-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.p-cta .btn-secondary { background: transparent; color: #fff; border-color: #fff; }
@media (max-width: 720px) {
  .p-hero, .p-split { grid-template-columns: 1fr; }
  .p-hero img { max-height: 300px; }
  .p-grid2, .p-grid3 { grid-template-columns: 1fr; }
  .p-photos3 { grid-template-columns: 1fr 1fr; }
}