/* Heat-pump service page: scoped to preserve the shared site shell. */
.hp-page { padding: 28px 0 0; }
.hp-page h1, .hp-page h2, .hp-page h3 { color: var(--color-text-bright); line-height: 1.2; font-family: var(--font-heading); }
.hp-page h1 { font-size: clamp(2.2rem, 4.2vw, 3.7rem); letter-spacing: -.035em; margin: 16px 0 24px; }
.hp-page h2 { font-size: clamp(1.7rem, 2.7vw, 2.5rem); letter-spacing: -.025em; margin: 0 0 20px; }
.hp-page h3 { font-size: 1.2rem; margin: 10px 0 14px; }
.hp-page p { margin-bottom: 18px; }
.hp-page .section-tag { color: var(--color-text-secondary); background: var(--surface-2); border-color: var(--color-border-light); }
.hp-breadcrumbs { display: flex; flex-wrap: wrap; gap: 12px; font-size: .85rem; color: var(--color-text-secondary); }
.hp-breadcrumbs a:hover, .hp-page a:not(.btn):hover { color: var(--color-text-bright); text-decoration: underline; }
.hp-hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: start; padding: 48px 0 64px; }
.hp-lead { font-size: 1.2rem; color: var(--color-text-bright); line-height: 1.65; }
.hp-actions { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; margin: 28px 0 16px; }
.hp-text-link { text-decoration: underline; text-underline-offset: 4px; font-weight: 500; }
.hp-small { font-size: .9rem; color: var(--color-text-secondary); }
.hp-system { background: var(--surface-2); border: 1px solid var(--color-border-light); border-radius: var(--border-radius-lg); padding: 28px; }
.hp-system ol, .hp-process { list-style: none; }
.hp-system figcaption { font-weight: 600; color: var(--color-text-bright); margin-bottom: 22px; }
.hp-system li { padding: 0 0 20px 20px; border-left: 2px solid var(--color-primary-light); position: relative; }
.hp-system li::before { content: ''; position: absolute; left: -6px; top: 5px; width: 10px; height: 10px; border-radius: 50%; background: var(--color-primary-light); }
.hp-system li:last-child { border-color: var(--color-orange-light); padding-bottom: 4px; }
.hp-system li:last-child::before { background: var(--color-orange-light); }
.hp-step { font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--color-text-secondary); }
.hp-system h2 { font-size: 1.1rem; margin: 6px 0 8px; letter-spacing: 0; }
.hp-system p { font-size: .94rem; line-height: 1.65; margin-bottom: 0; }
.hp-system .hp-system-note { font-size: .85rem; border-top: 1px solid var(--color-border-light); margin-top: 20px; padding-top: 18px; }
.hp-section { padding: 60px 0; border-top: 1px solid var(--color-border-light); scroll-margin-top: 110px; }
.hp-intro { max-width: 760px; }
.hp-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.hp-card { padding: 28px; background: var(--surface-1); border: 1px solid var(--color-border-light); border-radius: var(--border-radius-md); }
.hp-card p:last-child { margin-bottom: 0; }
.hp-split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: start; }
.hp-process { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; counter-reset: process; }
.hp-process li { counter-increment: process; border-top: 2px solid var(--color-primary-light); padding-top: 18px; }
.hp-process li::before { content: '0' counter(process); font-family: var(--font-mono); color: var(--color-text-secondary); }
.hp-process p { font-size: .95rem; }
.hp-questions details { border-bottom: 1px solid var(--color-border-light); padding: 18px 0; }
.hp-questions summary { cursor: pointer; color: var(--color-text-bright); font-weight: 600; padding: 4px 0; }
.hp-questions details p { padding-top: 16px; margin-bottom: 4px; }
.hp-resources li { border-bottom: 1px solid var(--color-border-light); padding: 14px 0; }
.hp-resources li:last-child { border: 0; }
.hp-resources a { display: block; text-decoration: underline; text-underline-offset: 4px; }
.hp-enquiry { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; }
.hp-enquiry address { font-style: normal; margin: 24px 0; }
.hp-enquiry a:not(.btn) { text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
.hp-form { display: none; }
.js .hp-form { display: block; }
.hp-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.hp-form label { display: block; font-size: .9rem; color: var(--color-text-bright); }
.hp-form label span { color: var(--color-text-secondary); }
.hp-form input:not([type="hidden"]), .hp-form textarea { display: block; width: 100%; margin-top: 6px; padding: 12px; font: inherit; color: var(--color-text-bright); background: var(--color-dark); border: 1px solid var(--color-border-light); border-radius: var(--border-radius-sm); }
.hp-form textarea { resize: vertical; }
.hp-form textarea::placeholder { color: var(--color-text-secondary); opacity: 1; }
.hp-form .hp-wide { grid-column: 1 / -1; }
.hp-form .hp-small { margin: 20px 0; }
.hp-form .hp-honeypot { position: absolute; left: -9999px; }
@media (max-width: 900px) {
    .hp-hero, .hp-split, .hp-enquiry { grid-template-columns: 1fr; gap: 32px; }
    .hp-process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 540px) {
    .hp-grid, .hp-form-grid, .hp-process { grid-template-columns: 1fr; }
    .hp-hero { padding: 32px 0 40px; }
    .hp-section { padding: 40px 0; }
    .hp-card, .hp-system { padding: 22px; }
    .hp-actions .btn { width: 100%; }
}

/* Keep the existing shell usable on narrow screens, including its menu icon. */
.hp-site .hamburger span { background: var(--color-text-bright); }
@media (max-width: 540px) {
    .hp-site .nav-container { padding: 0 16px; gap: 8px; }
    .hp-site .nav-logo .logo-word { font-size: 1rem; letter-spacing: .2em; }
    .hp-site .theme-toggle { margin: 0 0 0 auto; flex-shrink: 0; }
    .hp-site .hamburger { flex-shrink: 0; }
}