/* Water-heater content only. Existing navigation and mobile breakpoints unchanged. */
.heater-proof { margin-top: 16px; font-size: .875rem; line-height: 1.5; }
.heater-proof a { color: var(--color-gold); }
.heater-proof span { display: block; color: var(--color-text-muted); font-size: .8rem; }
.heater-proof blockquote { margin: 8px 0 2px; color: var(--color-text); }
.heater-quick-start .two-col > * { min-width: 0; }
.heater-quick-start p { margin: 16px 0; }
.heater-quick-start .btn { white-space: normal; text-align: center; max-width: 100%; }
.heater-quick-photo { margin: 0; }
.heater-quick-photo img { width: 100%; max-height: 460px; object-fit: contain; border-radius: var(--radius-md); }
.heater-quick-photo figcaption { margin-top: 8px; font-size: .875rem; color: var(--color-text-muted); }
.page-hero .btn { white-space: normal; text-align: center; max-width: 100%; }