/* Articles de Piscines Privées : styles partagés, sans dépendance externe. */
.header .nav { gap: clamp(.85rem, 1.6vw, 1.8rem); }
.header .nav a { white-space: nowrap; }
.pp-breadcrumbs { display: flex; flex-wrap: wrap; gap: .65rem; color: #59646e; font-size: .75rem; margin-bottom: 2.5rem; }
.pp-breadcrumbs a:hover { color: var(--water-dark); }
.pp-breadcrumbs [aria-current] { color: var(--ink); }
.pp-breadcrumbs > span:not([aria-current]) { color: #9aa1a5; }
.pp-article-head, .pp-articles-head { padding-top: clamp(8rem, 11vw, 10rem); padding-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.pp-article-head > .eyebrow, .pp-articles-head > .eyebrow { color: var(--water-dark); }
.pp-article-head h1, .pp-articles-head h1 { font: 400 clamp(2.9rem, 6.5vw, 6.5rem)/1.03 var(--display); letter-spacing: -.025em; margin-top: 1.5rem; max-width: 20ch; }
.pp-article-head h1 span { color: var(--water-dark); }
.pp-article-intro, .pp-articles-head > p:last-child { max-width: 65ch; font-size: clamp(1.08rem, 1.45vw, 1.25rem); line-height: 1.7; color: var(--ink-soft); margin-top: 1.75rem; }
.pp-article-meta { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin-top: 2rem; padding-top: 1.1rem; border-top: 1px solid var(--line); color: #59646e; font-size: .8rem; }
.pp-article-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.75rem; align-items: start; max-width: 78rem; }
.pp-article-body { min-width: 0; }
.pp-article-body section { scroll-margin-top: 7rem; }
.pp-article-body section + section { margin-top: 3.5rem; }
.pp-article-body h2 { font: 400 clamp(1.8rem, 3.1vw, 2.7rem)/1.13 var(--display); letter-spacing: -.01em; margin-bottom: 1.15rem; }
.pp-article-body p, .pp-article-body li { color: var(--ink-soft); font-size: 1.02rem; line-height: 1.85; }
.pp-article-body p + p { margin-top: 1rem; }
.pp-article-body strong { color: var(--ink); font-weight: 600; }
.pp-article-body a { color: var(--water-dark); text-decoration: underline; text-underline-offset: .22em; text-decoration-thickness: 1px; }
.pp-section-label { font: 500 .68rem var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--water-dark) !important; margin-bottom: .65rem; }
.pp-comparison { overflow-x: auto; border: 1px solid var(--line); border-radius: .7rem; background: #faf8f4; margin: 1.6rem 0; }
.pp-comparison table { min-width: 34rem; }
.pp-comparison th, .pp-comparison td { padding: 1rem; line-height: 1.6; }
.pp-comparison thead th { color: var(--ink-soft); background: var(--paper-warm); }
.pp-comparison tbody th { color: var(--ink); }
.pp-checklist { list-style: decimal; padding-left: 1.5rem; }
.pp-checklist li + li { margin-top: .8rem; }
.pp-checklist li::marker { color: var(--water-dark); font-weight: 600; }
.pp-article-note { padding: 1.5rem 1.7rem; background: #e8eef3; border-left: 3px solid var(--water); border-radius: 0 .7rem .7rem 0; margin-top: 1.8rem; }
.pp-article-note h3 { font-size: 1rem; margin-bottom: .5rem; }
.pp-article-note p { font-size: .95rem; }
.pp-toc { border: 1px solid var(--line); border-radius: .8rem; padding: 1.6rem; background: #faf8f4; }
.pp-toc > .eyebrow { color: var(--ink-soft); margin-bottom: 1.1rem; }
.pp-toc li + li { margin-top: .8rem; }
.pp-toc li a { font-size: .9rem; color: var(--ink-soft); }
.pp-toc a:hover { color: var(--water-dark); }
.pp-toc-contact { display: block; border-top: 1px solid var(--line); padding-top: 1rem; margin-top: 1.2rem; font-size: .85rem; line-height: 1.6; font-weight: 500; }
.pp-toc-contact span { margin-left: .4rem; }
.pp-sources { border-top: 1px solid var(--line); padding-top: 2rem; }
.pp-article-body .pp-sources h2 { font-family: var(--sans); font-size: .95rem; font-weight: 600; }
.pp-article-body .pp-sources p, .pp-article-body .pp-sources li { font-size: .8rem; line-height: 1.7; }
.pp-sources ul { margin-top: .8rem; }
.pp-sources li + li { margin-top: .4rem; }
.pp-whatsapp-section { padding-top: clamp(3rem, 6vw, 5rem); padding-bottom: 2rem; scroll-margin-top: 7rem; }
.pp-whatsapp-card { display: flex; align-items: center; justify-content: space-between; gap: 2.5rem; padding: clamp(1.7rem, 3.6vw, 3.5rem); border-radius: 1rem; color: var(--paper); background: radial-gradient(ellipse at 100% 90%, #172e40 0%, transparent 58%), #14140f; box-shadow: 0 20px 38px -28px rgba(14, 20, 23, .65); }
.pp-whatsapp-copy { max-width: 40rem; }
.pp-whatsapp-label { display: flex; align-items: center; gap: .55rem; color: #87e0ac; font: 600 .67rem var(--mono); letter-spacing: .15em; text-transform: uppercase; }
.pp-whatsapp-label > span { width: .42rem; height: .42rem; border-radius: 50%; background: #25d366; box-shadow: 0 0 0 3px rgba(37, 211, 102, .19); }
.pp-whatsapp-copy h2 { font: 650 clamp(1.65rem, 3vw, 2.65rem)/1.05 var(--sans); letter-spacing: -.055em; text-transform: uppercase; margin-top: 1rem; }
.pp-whatsapp-copy > p:last-child { max-width: 62ch; color: #c5c5b9; font-size: .91rem; line-height: 1.7; margin-top: 1rem; }
.pp-whatsapp-button { flex: 0 0 auto; display: flex; align-items: center; gap: .75rem; padding: .8rem; min-height: 4.5rem; border-radius: .8rem; color: #151912; background: #f2eee3; transition: transform .2s, background .2s; }
.pp-whatsapp-button:hover { background: #fffdf7; transform: translateY(-2px); }
.pp-whatsapp-button:focus-visible { outline: 3px solid #87e0ac; outline-offset: 5px; }
.pp-whatsapp-icon { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: .75rem; background: #18c761; color: white; flex: none; }
.pp-whatsapp-icon svg { width: 1.45rem; height: 1.45rem; }
.pp-whatsapp-button strong { display: block; font-size: .9rem; line-height: 1.3; }
.pp-whatsapp-button small { display: block; margin-top: .15rem; color: #5b6456; font-size: .72rem; line-height: 1.4; }
.pp-whatsapp-arrow { margin-inline: .35rem; }
.pp-article-return { padding-block: 1rem 4rem; }
.pp-article-return a { display: inline-flex; gap: .65rem; align-items: center; font-size: .9rem; color: var(--water-dark); }
.pp-articles-list { padding-bottom: 1.5rem; }
.pp-article-card { display: grid; grid-template-columns: minmax(0, 1fr); border: 1px solid var(--line); border-radius: 1.1rem; background: #faf8f4; overflow: hidden; }
.pp-article-card + .pp-article-card { margin-top: 1.5rem; }
.pp-article-card-symbol { display: grid; place-items: center; min-height: 11rem; background: #e5edf4; color: var(--water-dark); }
.pp-article-card-symbol svg { width: 6rem; height: 6rem; }
.pp-article-card-copy { padding: clamp(1.5rem, 3vw, 3rem); }
.pp-article-card-copy > .eyebrow { color: var(--water-dark); margin-bottom: .9rem; }
.pp-article-card-copy h3 { font: 400 clamp(1.9rem, 3.3vw, 3rem)/1.08 var(--display); max-width: 27ch; }
.pp-article-card-copy h3 a:hover { color: var(--water-dark); }
.pp-article-card-copy > p:not(.eyebrow) { color: var(--ink-soft); max-width: 65ch; margin-top: 1.2rem; }
.pp-read-link { display: inline-flex; align-items: center; gap: .8rem; margin-top: 1.6rem; font-size: .9rem; font-weight: 500; color: var(--water-dark); }
@media (min-width: 900px) {
  .pp-article-layout { grid-template-columns: minmax(0, 1fr) 15.5rem; gap: clamp(2rem, 5vw, 5rem); }
  .pp-article-sidebar { position: sticky; top: 7.5rem; }
  .pp-article-card { grid-template-columns: .6fr 1.4fr; }
}
@media (max-width: 899px) {
  .pp-article-sidebar { grid-row: 1; }
  .pp-toc nav ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem 1rem; }
  .pp-toc li + li { margin-top: 0; }
  .pp-whatsapp-card { flex-direction: column; align-items: flex-start; gap: 1.75rem; }
}
@media (max-width: 480px) {
  .pp-toc nav ol { grid-template-columns: minmax(0, 1fr); }
  .pp-whatsapp-button { width: 100%; }
  .pp-whatsapp-arrow { margin-left: auto; }
  .pp-whatsapp-copy h2 { font-size: 1.65rem; }
  .pp-article-body p, .pp-article-body li { font-size: 1rem; }
}
@media (prefers-reduced-motion: reduce) { .pp-whatsapp-button { transition: none; } }

/* Langues et catalogue saisonnier. */
.pp-language-switcher { margin-top: 1.5rem; }
.pp-language-switcher > p, .pp-card-languages > p { font-size: .78rem; color: var(--ink-soft); margin-bottom: .65rem; }
.pp-language-switcher ul, .pp-card-languages ul { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; padding: 0; }
.pp-language-switcher a, .pp-card-languages a { display: inline-flex; align-items: center; min-height: 2.5rem; padding: .5rem .85rem; border: 1px solid var(--line); border-radius: 999px; font: 500 .8rem/1.4 var(--sans); background: #faf8f4; }
.pp-language-switcher a:hover, .pp-card-languages a:hover { border-color: var(--water-dark); color: var(--water-dark); }
.pp-language-switcher a[aria-current] { background: var(--deep); border-color: var(--deep); color: white; }
.pp-language-switcher a:focus-visible, .pp-card-languages a:focus-visible, .pp-topic-nav a:focus-visible { outline: 2px solid var(--water-dark); outline-offset: 3px; }
.pp-card-languages { margin-top: 1.5rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.pp-topic-nav { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.pp-topic-nav a { border-bottom: 1px solid var(--water-dark); padding: .5rem 0; margin-right: .9rem; font-size: .85rem; color: var(--water-dark); }
.pp-topic-section { scroll-margin-top: 7rem; }
.pp-topic-section + .pp-topic-section { margin-top: 3.5rem; }
.pp-topic-heading { margin-bottom: 1.4rem; }
.pp-topic-heading h2 { font: 400 clamp(1.9rem, 3vw, 2.7rem)/1.15 var(--display); }
.pp-topic-heading p { color: var(--ink-soft); margin-top: .65rem; max-width: 65ch; }
.pp-coming-soon { border: 1px dashed var(--line); border-radius: .8rem; padding: 1.6rem; }
.pp-coming-soon .eyebrow { color: var(--water-dark); }
.pp-coming-soon p { color: var(--ink-soft); font-size: .9rem; margin-top: .6rem; }
.pp-article-head h1, .pp-article-body h2, .pp-whatsapp-copy h2 { overflow-wrap: anywhere; }
.pp-whatsapp-button { max-width: 100%; }
.pp-whatsapp-button > span:nth-child(2) { min-width: 0; }
html:lang(zh) .pp-article-head h1, html:lang(zh) .pp-article-body h2 { font-family: "Songti SC", "Noto Serif CJK SC", "SimSun", serif; line-height: 1.25; letter-spacing: 0; }
html:lang(zh) .pp-whatsapp-copy h2 { letter-spacing: 0; line-height: 1.35; }
html:lang(ru) .pp-article-head h1 { font-size: clamp(2.4rem, 5.6vw, 5.6rem); }

/* Compléments pour les quatre guides. */
.pp-service-links { display: flex; flex-wrap: wrap; gap: .7rem 1.4rem; margin: 1rem 0; }
.pp-related-guides { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.pp-related-guides h2 { font: 400 clamp(1.8rem, 3vw, 2.6rem)/1.15 var(--display); margin-bottom: 1.2rem; }
.pp-related-guides ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; list-style: none; }
.pp-related-guides a { display: flex; flex-direction: column; justify-content: space-between; gap: 1rem; height: 100%; padding: 1.3rem; border: 1px solid var(--line); border-radius: .8rem; color: var(--ink-soft); font-size: .9rem; line-height: 1.6; }
.pp-related-guides a:hover { color: var(--water-dark); border-color: var(--water-dark); }
.pp-related-guides a span { color: var(--water-dark); }
.pp-article-card--printemps .pp-article-card-symbol { background: #f0e8d8; }
.pp-article-card--entretien .pp-article-card-symbol { background: #e2eee9; }
.pp-article-card--construction .pp-article-card-symbol { background: #e7e4df; }
@media (max-width: 699px) { .pp-related-guides ul { grid-template-columns: minmax(0, 1fr); } }