:root {
  --pta-white: #ffffff;
  --pta-green: #8fd694;
  --pta-green-dark: #2e7d5b;
  --pta-blue: #1e5aa8;
  --pta-blue-soft: #eaf7ff;
  --pta-gray: #f2f5f7;
  --pta-border: #e3e8ef;
  --pta-text: #1f2933;
  --pta-muted: #5f6b76;
  --pta-error: #b42318;
  --pta-warning: #b54708;
  --pta-shadow: 0 18px 48px rgba(15, 23, 42, .10);
  --pta-radius: 24px;
  --pta-radius-sm: 16px;
  --pta-container: 1180px;
  --pta-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--pta-font);
  color: var(--pta-text);
  background: var(--pta-white);
  line-height: 1.65;
  font-size: 18px;
}
a { color: var(--pta-blue); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--pta-green-dark); }
img { max-width: 100%; height: auto; }
svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
:focus-visible { outline: 3px solid var(--pta-green-dark); outline-offset: 4px; }
.screen-reader-text,
.pta-skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.pta-skip-link:focus {
  position: fixed;
  top: 12px;
  left: 12px;
  width: auto;
  height: auto;
  clip: auto;
  padding: 12px 16px;
  background: var(--pta-blue);
  color: #fff;
  z-index: 9999;
  border-radius: 12px;
}
.pta-container { width: min(100% - 32px, var(--pta-container)); margin-inline: auto; }
.pta-section { padding: 72px 0; }
.pta-soft { background: linear-gradient(180deg, var(--pta-blue-soft), #fff); }
.pta-main { min-height: 60vh; }
.pta-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--pta-border);
}
.pta-header__inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.pta-logo { display: inline-flex; align-items: center; gap: 10px; color: var(--pta-text); text-decoration: none; font-weight: 800; font-size: 21px; }
.pta-logo__mark { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; color: #fff; background: linear-gradient(135deg, var(--pta-green-dark), var(--pta-blue)); }
.pta-nav ul { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.pta-nav a { display: block; padding: 10px 12px; color: var(--pta-text); text-decoration: none; font-size: 15px; font-weight: 650; border-radius: 999px; }
.pta-nav a:hover { background: var(--pta-blue-soft); color: var(--pta-blue); }
.pta-menu-toggle { display: none; border: 1px solid var(--pta-border); background: #fff; border-radius: 999px; padding: 10px 14px; font-weight: 700; }
.pta-hero { position: relative; overflow: hidden; background: radial-gradient(circle at 10% 0%, var(--pta-blue-soft), transparent 42%), radial-gradient(circle at 90% 18%, #effaf0, transparent 38%); }
.pta-hero::after { content: ""; position: absolute; inset: auto 0 -1px 0; height: 100px; background: linear-gradient(170deg, transparent 48%, #fff 50%); pointer-events: none; }
.pta-hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: center; min-height: 610px; position: relative; z-index: 1; }
.pta-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--pta-green-dark); font-weight: 800; letter-spacing: .04em; text-transform: uppercase; font-size: 13px; }
.pta-kicker::before { content: ""; width: 28px; height: 3px; border-radius: 999px; background: var(--pta-green); }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.03em; margin: 0 0 18px; }
h1 { font-size: clamp(2.35rem, 6vw, 4.2rem); max-width: 900px; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: 1.35rem; }
p { margin-top: 0; }
.pta-hero p { font-size: 1.22rem; color: var(--pta-muted); max-width: 720px; }
.pta-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 26px; }
.pta-actions--compact { margin-top: 18px; }
.pta-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 20px; border-radius: 999px; font-weight: 800; text-decoration: none; border: 1px solid transparent; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.pta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(30, 90, 168, .14); }
.pta-btn--primary { background: var(--pta-blue); color: #fff; }
.pta-btn--secondary { background: var(--pta-blue-soft); color: var(--pta-blue); border-color: #b7ddf5; }
.pta-btn--ghost { background: #fff; color: var(--pta-blue); border-color: var(--pta-border); }
.pta-hero__visual { min-height: 450px; display: grid; place-items: center; position: relative; }
.pta-hero__visual::before { content: ""; width: min(420px, 90%); aspect-ratio: 1; border-radius: 42% 58% 63% 37% / 46% 37% 63% 54%; background: linear-gradient(135deg, rgba(143,214,148,.45), rgba(30,90,168,.18)); position: absolute; }
.pta-glass { background: rgba(255,255,255,.78); border: 1px solid rgba(255,255,255,.75); box-shadow: var(--pta-shadow); backdrop-filter: blur(18px); }
.pta-dashboard-card { width: min(420px, 100%); border-radius: 34px; padding: 26px; position: relative; }
.pta-dashboard-row { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--pta-border); padding: 15px 0; }
.pta-dashboard-row span { color: var(--pta-muted); }
.pta-mini-chart { height: 140px; display: flex; align-items: end; gap: 16px; margin-top: 24px; padding: 18px; background: var(--pta-blue-soft); border-radius: 22px; }
.pta-mini-chart span { flex: 1; border-radius: 999px 999px 8px 8px; background: linear-gradient(180deg, var(--pta-green), var(--pta-blue)); }
.pta-search-box { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: center; padding: 30px; border-radius: 28px; }
.pta-autocomplete { position: relative; }
.pta-autocomplete input,
.pta-filterbar input,
.pta-filterbar select,
.search-field { width: 100%; border: 1px solid var(--pta-border); border-radius: 999px; padding: 16px 18px; font: inherit; background: #fff; }
.pta-autocomplete__results { display: none; position: absolute; left: 0; right: 0; top: calc(100% + 8px); max-height: 280px; overflow: auto; background: #fff; border: 1px solid var(--pta-border); border-radius: 18px; box-shadow: var(--pta-shadow); z-index: 20; padding: 8px; }
.pta-autocomplete__results a { display: none; padding: 12px 14px; border-radius: 12px; text-decoration: none; color: var(--pta-text); }
.pta-autocomplete__results a.is-visible { display: block; }
.pta-autocomplete__results a:hover { background: var(--pta-blue-soft); }
.pta-section-head { margin-bottom: 30px; }
.pta-section-head--row { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.pta-card-grid { display: grid; gap: 22px; }
.pta-card-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.pta-card-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pta-card { background: #fff; border: 1px solid var(--pta-border); border-radius: var(--pta-radius); padding: 24px; box-shadow: 0 12px 30px rgba(15,23,42,.06); }
.pta-card--link { color: var(--pta-text); text-decoration: none; display: flex; flex-direction: column; gap: 10px; min-height: 190px; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.pta-card--link:hover { transform: translateY(-5px); box-shadow: var(--pta-shadow); border-color: rgba(30,90,168,.24); color: var(--pta-text); }
.pta-icon { display: inline-grid; place-items: center; width: 54px; height: 54px; border-radius: 18px; background: var(--pta-blue-soft); color: var(--pta-blue); font-size: 28px; }
.pta-badge,
.pta-badges span { display: inline-flex; align-items: center; min-height: 28px; padding: 4px 10px; border-radius: 999px; background: #edf8ef; color: var(--pta-green-dark); font-size: 13px; font-weight: 800; }
.pta-badges { display: flex; flex-wrap: wrap; gap: 7px; margin: 18px 0; }
.pta-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; counter-reset: steps; }
.pta-step { counter-increment: steps; display: flex; align-items: center; gap: 12px; padding: 18px; background: #fff; border: 1px solid var(--pta-border); border-radius: 18px; text-decoration: none; color: var(--pta-text); font-weight: 800; }
.pta-step::before { content: counter(steps); display: inline-grid; place-items: center; min-width: 32px; height: 32px; border-radius: 50%; background: var(--pta-blue); color: #fff; font-size: 14px; }
.pta-metrics { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 22px; }
.pta-metric { padding: 28px; border-radius: 26px; background: #fff; border: 1px solid var(--pta-border); text-align: center; }
.pta-metric strong { display: block; font-size: clamp(2rem, 5vw, 3.4rem); color: var(--pta-blue); line-height: 1; margin-bottom: 10px; }
.pta-page-hero { padding: 84px 0 52px; background: linear-gradient(135deg, var(--pta-blue-soft), #fff 70%); }
.pta-page-hero p { color: var(--pta-muted); max-width: 850px; font-size: 1.15rem; }
.pta-update { display: inline-flex; margin-top: 12px; padding: 8px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--pta-border); font-weight: 700; }
.pta-content { max-width: 940px; }
.pta-content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 24px; }
.pta-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pta-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.pta-two-col--wide-left { grid-template-columns: 1.4fr .6fr; }
.pta-clean-list { list-style: none; margin: 0; padding: 0; }
.pta-clean-list li { margin: 0 0 9px; }
.pta-note { padding: 12px 14px; background: #fff7ed; border: 1px solid #fed7aa; border-radius: 14px; color: var(--pta-warning); font-weight: 700; }
.pta-data-list { display: grid; grid-template-columns: .75fr 1.25fr; gap: 10px 18px; }
.pta-data-list dt { font-weight: 800; color: var(--pta-text); }
.pta-data-list dd { margin: 0; color: var(--pta-muted); }
.pta-bars { display: grid; gap: 14px; }
.pta-bar { display: grid; grid-template-columns: 90px 1fr 90px; gap: 12px; align-items: center; }
.pta-bar em { display: block; height: 16px; border-radius: 999px; background: linear-gradient(90deg, var(--pta-green), var(--pta-blue)); grid-column: 2; }
.pta-bar strong { grid-column: 3; }
.pta-filterbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin-bottom: 24px; padding: 18px; background: var(--pta-gray); border-radius: 22px; }
.pta-filterbar label { flex: 1 1 340px; font-weight: 800; }
.pta-filterbar label input { margin-top: 8px; }
.pta-filterbar select { max-width: 240px; }
.pta-map-placeholder { min-height: 280px; border-radius: 30px; background: radial-gradient(circle at 30% 30%, rgba(143,214,148,.45), transparent 36%), linear-gradient(135deg, var(--pta-blue-soft), #fff); border: 1px dashed #b7ddf5; display: grid; place-items: center; text-align: center; margin-bottom: 26px; }
.pta-map-placeholder span { display: block; font-weight: 900; font-size: 1.4rem; }
.pta-cta-final { border-radius: 34px; padding: 36px; }
.pta-accordion { display: grid; gap: 12px; }
.pta-faq-item { background: #fff; border: 1px solid var(--pta-border); border-radius: 18px; padding: 18px; }
.pta-faq-item summary { cursor: pointer; font-weight: 900; }
.pta-sitemap { columns: 2; }
.pta-footer { padding: 64px 0 90px; background: #122033; color: #d8e0ea; }
.pta-footer h2 { font-size: 1.15rem; color: #fff; }
.pta-footer a { color: #fff; }
.pta-footer__grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr .9fr; gap: 30px; }
.pta-logo--footer { color: #fff; margin-bottom: 12px; }
.pta-mobile-actions { display: none; position: fixed; bottom: 0; left: 0; right: 0; grid-template-columns: repeat(4, 1fr); background: #fff; border-top: 1px solid var(--pta-border); z-index: 950; box-shadow: 0 -12px 28px rgba(15,23,42,.12); }
.pta-mobile-actions a { text-align: center; padding: 12px 6px; font-size: 13px; font-weight: 800; text-decoration: none; color: var(--pta-blue); }
.pagination,
.nav-links { margin-top: 28px; }
.nav-links { display: flex; gap: 8px; }
.page-numbers { padding: 8px 12px; border-radius: 10px; border: 1px solid var(--pta-border); text-decoration: none; }
.page-numbers.current { background: var(--pta-blue); color: #fff; }

@media (max-width: 980px) {
  .pta-menu-toggle { display: inline-flex; }
  .pta-nav { display: none; position: absolute; top: 78px; left: 16px; right: 16px; background: #fff; border: 1px solid var(--pta-border); border-radius: 24px; box-shadow: var(--pta-shadow); padding: 14px; }
  .pta-nav.is-open { display: block; }
  .pta-nav ul { display: grid; gap: 4px; }
  .pta-nav a { padding: 12px 14px; }
  .pta-hero__grid,
  .pta-search-box,
  .pta-two-col,
  .pta-two-col--wide-left { grid-template-columns: 1fr; }
  .pta-card-grid--four,
  .pta-card-grid--three,
  .pta-steps,
  .pta-metrics,
  .pta-info-grid,
  .pta-footer__grid,
  .pta-content-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  body { font-size: 17px; }
  .pta-container { width: min(100% - 24px, var(--pta-container)); }
  .pta-section { padding: 48px 0; }
  .pta-hero__grid { min-height: auto; padding: 46px 0; }
  .pta-hero__visual { min-height: 320px; }
  .pta-card-grid--four,
  .pta-card-grid--three,
  .pta-steps,
  .pta-metrics,
  .pta-info-grid,
  .pta-footer__grid,
  .pta-content-grid { grid-template-columns: 1fr; }
  .pta-actions { flex-direction: column; align-items: stretch; }
  .pta-btn { width: 100%; }
  .pta-section-head--row { display: block; }
  .pta-data-list { grid-template-columns: 1fr; }
  .pta-bar { grid-template-columns: 1fr 72px; }
  .pta-bar span { grid-column: 1 / -1; }
  .pta-bar em { grid-column: 1; }
  .pta-bar strong { grid-column: 2; }
  .pta-mobile-actions { display: grid; }
  .pta-footer { padding-bottom: 96px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

/* Progetto TARI SECAM - estensioni visuali */
.pta-logo__img { width: 48px; height: 48px; object-fit: contain; border-radius: 16px; box-shadow: 0 10px 24px rgba(30,90,168,.12); }
.pta-logo__text { white-space: nowrap; }
.pta-secam-brand { display: inline-flex; align-items: center; padding: 6px 10px; border: 1px solid var(--pta-border); border-radius: 18px; background: #fff; box-shadow: 0 8px 18px rgba(15,23,42,.05); }
.pta-secam-brand img { display: block; height: 42px; width: auto; }
.pta-header__inner { gap: 18px; }
.pta-nav { margin-left: auto; }
.pta-hero { background: radial-gradient(circle at 10% 0%, #eaf7ff, transparent 42%), radial-gradient(circle at 83% 16%, rgba(143,214,148,.38), transparent 38%), linear-gradient(135deg, #fff, #f8fcff); }
.pta-hero__visual { gap: 18px; }
.pta-orbit-card { width: min(360px, 100%); border-radius: 34px; padding: 18px; display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; transform: rotate(-1.5deg); }
.pta-orbit-card img { width: 96px; height: 96px; }
.pta-orbit-card strong { display: block; font-size: 1.25rem; line-height: 1.1; margin-bottom: 6px; color: var(--pta-green-dark); }
.pta-orbit-card span { display: block; color: var(--pta-muted); font-size: .96rem; }
.pta-news-lab { background: linear-gradient(180deg, #fff, #f7fcff); }
.pta-news-slider { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: stretch; }
.pta-news-track { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(290px, 38%); gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; padding: 8px 4px 18px; scrollbar-width: thin; }
.pta-news-slide { scroll-snap-align: start; min-height: 270px; padding: 26px; border-radius: 28px; border: 1px solid rgba(30,90,168,.14); background: linear-gradient(150deg, rgba(255,255,255,.94), rgba(234,247,255,.78)); box-shadow: 0 18px 42px rgba(15,23,42,.08); display: flex; flex-direction: column; justify-content: space-between; }
.pta-news-slide h3 { margin-top: 16px; }
.pta-news-slide p { color: var(--pta-muted); }
.pta-slider-btn { width: 48px; border: 1px solid var(--pta-border); border-radius: 18px; background: #fff; color: var(--pta-blue); font-size: 36px; font-weight: 800; cursor: pointer; box-shadow: 0 12px 24px rgba(15,23,42,.07); }
.pta-slider-btn:hover { background: var(--pta-blue-soft); }
.pta-feature-card { min-height: 180px; background: linear-gradient(180deg, #fff, #f9fffa); }
.pta-feature-card strong { display: block; font-size: 1.18rem; margin-bottom: 10px; color: var(--pta-blue); }
.pta-feature-card span { color: var(--pta-muted); }
.pta-comune-hero { display: grid; grid-template-columns: 1.25fr .75fr; gap: 26px; align-items: center; }
.pta-comune-hero__card { background: rgba(255,255,255,.86); }
.pta-footer { background: linear-gradient(135deg, #102a43, #163b55); color: #e6f4ff; padding: 54px 0 92px; }
.pta-footer a { color: #ffffff; }
.pta-footer .pta-note { color: #102a43; background: #eaf7ff; }
.pta-footer__top { display: grid; grid-template-columns: 1.35fr 1.35fr 1fr 1fr 1fr; gap: 28px; align-items: start; }
.pta-footer h2 { font-size: 1.12rem; letter-spacing: 0; margin-bottom: 14px; color: #fff; }
.pta-footer__brand p { color: #d7e8f5; }
.pta-footer__secam img { border-radius: 16px; background: #fff; padding: 3px; margin-bottom: 12px; }
.pta-powered { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; padding: 10px 14px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); border-radius: 999px; text-decoration: none; }
.pta-footer__bottom { margin-top: 32px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.16); color: #d7e8f5; font-size: .95rem; }

@media (max-width: 1080px) {
  .pta-secam-brand { display: none; }
  .pta-footer__top { grid-template-columns: 1fr 1fr; }
  .pta-news-track { grid-auto-columns: minmax(280px, 70%); }
}

@media (max-width: 760px) {
  .pta-logo__text { white-space: normal; font-size: 1rem; }
  .pta-logo__img { width: 42px; height: 42px; }
  .pta-orbit-card { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .pta-news-slider { grid-template-columns: 1fr; }
  .pta-slider-btn { display: none; }
  .pta-news-track { grid-auto-columns: minmax(260px, 88%); }
  .pta-comune-hero { grid-template-columns: 1fr; }
  .pta-footer__top { grid-template-columns: 1fr; }
}