/* Theme Name: GREEN ELEMENT */
/* Base layer: reset, type, layout, buttons. Screen-specific styles live in assets/css/<screen>.css */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--color-background);color:var(--color-ink);font-family:var(--font-body);font-size:var(--text-base);line-height:var(--leading-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--color-accent)}
h1,h2,h3,h4{font-family:var(--font-display);line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);margin:0 0 .5em;font-weight:600;color:var(--color-ink)}
h1{font-size:var(--text-4xl)}
h2{font-size:var(--text-3xl)}
h3{font-size:var(--text-2xl)}
h4{font-size:var(--text-lg)}
p{margin:0 0 1.1em}
ul,ol{padding-left:1.2em}
figure{margin:0}
:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}
.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--color-ink);color:#fff;padding:12px 18px;border-radius:0 0 var(--radius-control) 0}
.skip-link:focus{left:0;top:0}
.wrap{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}

/* Buttons */
.button{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:13px 22px;border-radius:var(--radius-pill);font-family:var(--font-body);font-size:var(--text-sm);font-weight:600;letter-spacing:.01em;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease}
.button--accent{background:var(--color-accent);color:var(--color-on-accent)}
.button--accent:hover{background:var(--color-accent-hover);color:#fff}
.button--ink{background:var(--color-ink);color:#fff}
.button--ink:hover{background:#14332C;color:#fff}
.button--ghost{border-color:var(--color-line);background:#fff;color:var(--color-ink)}
.button--ghost:hover{border-color:var(--color-ink);color:var(--color-ink)}
.button--link{padding:0;background:none;border:0;color:var(--color-accent);border-radius:0}
.button--link:hover{color:var(--color-accent-hover)}
.button__arrow{font-size:1.1em;line-height:1}

/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:saturate(140%) blur(10px);border-bottom:var(--border)}
.site-header__inner{display:flex;align-items:center;gap:var(--space-lg);min-height:var(--header-height)}
.brand{display:inline-flex;align-items:center;gap:.6em;font-family:var(--font-display);font-weight:700;font-size:1.05rem;letter-spacing:-.01em;flex:0 0 auto}
.brand__logo{height:34px;width:auto}
.brand__name{white-space:nowrap}
.site-header__actions{display:flex;align-items:center;gap:var(--space-sm);flex:0 0 auto;margin-left:var(--space-sm)}

/* Primary navigation — a popover per item that has children */
.nav{margin-left:auto}
.nav__list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav__item{position:relative}
.nav__link{display:inline-flex;align-items:center;gap:.35em;padding:9px 11px;border:0;background:none;border-radius:var(--radius-control);font-family:inherit;font-size:var(--text-sm);font-weight:500;color:var(--color-muted);cursor:pointer;text-align:left}
.nav__link:hover,.nav__link[aria-expanded="true"]{color:var(--color-ink);background:var(--color-surface)}
.nav__item.is-current>.nav__link{color:var(--color-ink);font-weight:600}
.nav__caret{opacity:.55;flex:0 0 auto}
.nav__panel{min-width:230px}
.nav__sublist{list-style:none;margin:0;padding:6px;background:#fff;border:var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-card)}
.nav__sublink{display:block;padding:9px 12px;border-radius:9px;font-size:var(--text-sm);color:var(--color-muted)}
.nav__sublink:hover{background:var(--color-surface);color:var(--color-ink)}
.nav__sublink.is-current{color:var(--color-ink);font-weight:600}

/* Mobile navigation — a disclosure button and a panel */
.nav-mobile{display:none;margin-left:auto}
.nav-mobile__toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:var(--border);border-radius:var(--radius-control);background:#fff;color:var(--color-ink);cursor:pointer}
.nav-mobile__bars i{display:block;width:20px;height:2px;margin:3px auto;background:currentColor;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-mobile__toggle[aria-expanded="true"] .nav-mobile__bars i:first-child{transform:translateY(5px) rotate(45deg)}
.nav-mobile__toggle[aria-expanded="true"] .nav-mobile__bars i:nth-child(2){opacity:0}
.nav-mobile__toggle[aria-expanded="true"] .nav-mobile__bars i:last-child{transform:translateY(-5px) rotate(-45deg)}
.nav-mobile__panel{background:#fff;border-top:var(--border);box-shadow:var(--shadow-card);padding:var(--space-md) 0}
.nav-mobile__list,.nav-mobile__sublist{list-style:none;margin:0;padding:0}
.nav-mobile__link{display:block;padding:11px 0;font-size:var(--text-lg);font-weight:600;border-bottom:var(--border)}
.nav-mobile__link--sub{font-size:var(--text-base);font-weight:500;color:var(--color-muted);padding-left:14px;border-bottom:0}
.nav-mobile__group summary{cursor:pointer;list-style:none}
.nav-mobile__group summary::-webkit-details-marker{display:none}
.nav-mobile__group[open] .nav-mobile__link{border-bottom:0}
.nav-mobile__sublist{padding:0 0 12px 14px;border-bottom:var(--border)}
.nav-mobile__cta{margin-top:var(--space-md);width:100%}

@media (max-width:1040px){
  .nav,.site-header__actions{display:none}
  .nav-mobile{display:block}
}

/* Footer */
.site-footer{background:var(--ge-ink);color:#DCE9E5;margin-top:var(--space-section);padding-top:clamp(48px,6vw,80px)}
.site-footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.1fr;gap:var(--space-lg);padding-bottom:var(--space-xl)}
.site-footer__brand{max-width:300px}
.brand__logo--footer{height:38px;width:auto;background:#fff;padding:6px 9px;border-radius:10px}
.site-footer__tagline{color:#A9C2BB;font-size:var(--text-sm);margin:.9em 0 .5em}
.site-footer__legal{color:#7C9993;font-size:var(--text-xs);letter-spacing:.02em;margin:0}
.site-footer__heading{font-family:var(--font-body);font-size:var(--text-xs);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#8FB0A8;margin:0 0 1em}
.footer__list{list-style:none;margin:0;padding:0;display:grid;gap:.6em;font-size:var(--text-sm)}
.footer__list a{color:#DCE9E5}
.footer__list a:hover{color:#fff;text-decoration:underline}
.footer__address{color:#A9C2BB;line-height:1.5}
.site-footer__bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-md);border-top:1px solid rgba(255,255,255,.12);padding-block:20px;font-size:var(--text-xs);color:#8FB0A8}
.site-footer__copy{margin:0}
.site-footer__links{display:flex;gap:18px;margin:0}
.site-footer__links a:hover{color:#fff}
.to-top{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid rgba(255,255,255,.25);border-radius:50%;background:none;color:#DCE9E5;cursor:pointer;font-size:14px}
.to-top:hover{background:rgba(255,255,255,.1)}
@media (max-width:1040px){.site-footer__top{grid-template-columns:1fr 1fr 1fr;gap:var(--space-md)}.site-footer__brand{grid-column:1/-1;max-width:none}}
@media (max-width:640px){.site-footer__top{grid-template-columns:1fr 1fr}}

/* Sections */
.section{padding-block:var(--space-section)}
.section--surface{background:var(--color-surface)}
.section--tight{padding-block:clamp(32px,4vw,56px)}
.section__head{max-width:var(--container-narrow);margin-bottom:var(--space-lg)}
.section__head--center{margin-inline:auto;text-align:center}
.section__head h2{margin-bottom:.35em}
.eyebrow{margin:0 0 .7em;font-size:var(--text-xs);font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--color-accent)}
.lede{font-size:var(--text-lg);color:var(--color-muted);max-width:62ch;margin:0}
.page-head{padding-block:clamp(40px,5vw,72px) var(--space-lg)}
.page-head h1{margin-bottom:.3em}

/* Grid */
.grid{display:grid;gap:var(--space-md)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1000px){.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){.grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}}

/* Cards */
.card{display:block;background:#fff;border:var(--border);border-radius:var(--radius-card);padding:var(--space-md);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
a.card:hover{border-color:#B7CEC8;box-shadow:var(--shadow-card);transform:translateY(-2px);color:var(--color-ink)}
.card__title{margin:0 0 .35em;font-size:var(--text-lg)}
.card__text{margin:0;font-size:var(--text-sm);color:var(--color-muted)}
.card__meta{margin:0 0 .6em;font-size:var(--text-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--color-accent);font-weight:600}

/* Forms */
.field{display:grid;gap:.45em;margin-bottom:1em;border:0;padding:0}
.field>label,.field>legend{font-size:var(--text-sm);font-weight:600;color:var(--color-ink);padding:0}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:var(--text-base);padding:11px 13px;border:var(--border);border-radius:var(--radius-control);background:#fff;color:var(--color-ink)}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--color-focus);outline:2px solid rgba(26,140,180,.18);outline-offset:1px}
.field__hint{margin:0;font-size:var(--text-xs);color:var(--color-muted)}
.field--wide{grid-column:1/-1}
.field input[type="file"]{padding:9px;background:var(--color-surface)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 var(--space-md)}
.form-grid .field{margin-bottom:var(--space-md)}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}
.form-note{font-size:var(--text-xs);color:var(--color-muted)}
[data-status]{font-size:var(--text-sm);color:var(--color-muted)}
[data-status][data-state="error"]{color:#B3261E}

/* The editor's own markup inside a page or a record */
.entry-content>*+*{margin-top:1.1em}
.entry-content h2{margin-top:1.9em}
.entry-content h3{margin-top:1.6em}
.entry-content ul,.entry-content ol{padding-left:1.3em}
.entry-content li+li{margin-top:.35em}
.entry-content blockquote{margin:1.6em 0;padding-left:18px;border-left:3px solid var(--color-accent);color:var(--color-muted)}
.entry-content img{border-radius:var(--radius-card)}

/* Breadcrumbs printed by the engine */
.zeroy-breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.5em;padding:0;margin:0 0 1.2rem;font-size:var(--text-xs);color:var(--color-muted)}
.zeroy-breadcrumbs li+li::before{content:"/";margin-right:.5em;opacity:.5}

/* Lists of records */
.post-list{list-style:none;padding:0;margin:0;display:grid;gap:var(--space-lg)}
.post-list h2{margin:0 0 .4em;font-size:var(--text-2xl);line-height:1.15}
.post-list h2 a{text-decoration:none}
.post-list__image{margin:0 0 1rem}
.post-list__image img{border-radius:var(--radius-card);width:100%}
.post-list__excerpt{color:var(--color-muted);margin:0}
.pagination{display:flex;gap:.6rem;margin-top:var(--space-lg);font-size:var(--text-sm)}
.pagination a,.pagination span{padding:8px 12px;border:var(--border);border-radius:var(--radius-control)}

/* Utilities */
.text-center{text-align:center}
.stack>*+*{margin-top:var(--space-md)}
.cluster{display:flex;flex-wrap:wrap;gap:var(--space-sm);align-items:center}
.ruled{border-top:var(--border);padding-top:var(--space-md)}
.note{font-size:var(--text-sm);color:var(--color-muted)}

/* Records — shared contract for pool light, controller and power supply pages */
.record{padding-block:var(--space-lg) var(--space-section)}
.record-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--space-xl);align-items:start;padding-block:var(--space-lg)}
.record-hero__code{margin:0 0 .7em;font-size:var(--text-xs);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--color-accent)}
.record-hero__summary{font-size:var(--text-lg);color:var(--color-muted);margin-bottom:var(--space-md)}
.record-hero__media{background:var(--color-surface);border-radius:var(--radius-card);padding:var(--space-md);display:grid;gap:var(--space-sm)}
.record-hero__media img{border-radius:10px;width:100%}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin:var(--space-md) 0}
.badge{font-size:var(--text-xs);font-weight:600;padding:6px 10px;border-radius:var(--radius-pill);background:var(--color-water-wash);color:#0F5C77;white-space:nowrap}
.badge--muted{background:var(--color-surface);color:var(--color-muted)}
.spec-table{width:100%;border-collapse:collapse;font-size:var(--text-sm);margin:0}
.spec-table th,.spec-table td{text-align:left;padding:11px 14px;border-bottom:var(--border);vertical-align:top}
.spec-table th{width:40%;font-weight:600;color:var(--color-muted);background:var(--color-surface)}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.record-section{margin-top:var(--space-xl)}
.record-section h2{font-size:var(--text-xl);margin-bottom:.6em}
.download-list{list-style:none;padding:0;margin:0;display:grid;gap:.6em;font-size:var(--text-sm)}
.download-list a{display:inline-flex;align-items:center;gap:.5em;font-weight:600;color:var(--color-accent)}
@media (max-width:900px){.record-hero{grid-template-columns:1fr}}

/* Footer menus reuse the navigation markup; on the dark panel the link styling is flattened. */
.site-footer .nav__item{position:static}
.site-footer .nav__link{padding:0;background:none;color:#DCE9E5;font-size:var(--text-sm);font-weight:400;border-radius:0}
.site-footer .nav__link:hover{background:none;color:#fff;text-decoration:underline}
.site-footer .nav__item.is-current>.nav__link{color:#fff;font-weight:600}
.footer__list .nav__item{display:block}