/* =================================================================
   COSTRUIRE ENERGIE — Hi-Fi Entertaining
   Gerarchia: Tokens → Reset → A11y → Layout → Typography →
              Components → Blocks → Page-specific → Footer → Responsive
   ================================================================= */


/* =================================================================
   0. FONT FACES (locali, font-display: swap)
   ================================================================= */
@font-face { font-family: 'Inter'; src: url('../fonts/inter-400.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'DM Sans'; src: url('../fonts/dm-sans-400.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Instrument Sans'; src: url('../fonts/instrument-sans-400.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Source Sans 3'; src: url('../fonts/source-sans-3-400.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Outfit'; src: url('../fonts/outfit-400.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Geist'; src: url('../fonts/geist-400.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Orbitron'; src: url('../fonts/orbitron-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Orbitron'; src: url('../fonts/orbitron-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Michroma'; src: url('../fonts/michroma-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Audiowide'; src: url('../fonts/audiowide-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Chakra Petch'; src: url('../fonts/chakra-petch-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Chakra Petch'; src: url('../fonts/chakra-petch-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Bebas Neue'; src: url('../fonts/bebas-neue-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Teko'; src: url('../fonts/teko-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Teko'; src: url('../fonts/teko-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Oswald'; src: url('../fonts/oswald-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Oswald'; src: url('../fonts/oswald-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Barlow Condensed'; src: url('../fonts/barlow-condensed-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Barlow Condensed'; src: url('../fonts/barlow-condensed-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Rajdhani'; src: url('../fonts/rajdhani-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Rajdhani'; src: url('../fonts/rajdhani-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Saira'; src: url('../fonts/saira-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Saira'; src: url('../fonts/saira-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Exo 2'; src: url('../fonts/exo-2-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Exo 2'; src: url('../fonts/exo-2-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Russo One'; src: url('../fonts/russo-one-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }


/* =================================================================
   1. DESIGN TOKENS
   ================================================================= */
:root {
  /* --- Font famiglia (ridefinibile da font-switcher) --- */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* --- Scala tipografica (xl+ fluidi con clamp, xs-lg fissi) --- */
  --text-xs: 0.8rem;
  --text-sm: 0.9rem;
  --text-base: 1rem;
  --text-lg: 1.1rem;
  --text-xl: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.15rem + 1.1vw, 2rem);
  --text-3xl: clamp(2rem, 1.4rem + 1.6vw, 3rem);

  /* --- Colori base (palette Bluepoint / L3) --- */
  --color-black: #1A1A2E;
  --color-bg-dark: #2E4A7A;
  --color-bg-darker: #1D3560;
  --color-bg-card-dark: #243B66;
  --color-bg-card: #2E4A7A;
  --color-bg-card-hover: #354F7E;
  --color-bg-page: #FFFFFF;
  --color-bg-light: #EDF1F7;
  --color-bg-card-light: #FFFFFF;
  --color-white: #FFFFFF;

  --color-text-primary: #1A1A2E;
  --color-text-light: #F4F7FC;
  --color-text-muted: #5C6B82;
  --color-text-muted-mid: #4C5B72;
  --color-text-muted-dark: #3C4B62;
  --color-text-subtle: #7C8BA2;
  --color-text-faint: #A0ADBE;

  --color-border-dark: #3A5070;
  --color-border-mid: #4A6088;
  --color-border-light: #C8D1DE;
  --color-border-faint: #DDE3EE;
  --color-border-hover: #1D3560;

  /* --- Colori categoria (usati da tag, pill, map-dot, tag-icon) --- */
  --cat-energia: #b45309;
  --cat-rinnovabili: #15803d;
  --cat-clima: #0369a1;
  --cat-ict: #7c3aed;
  --cat-decom: #dc2626;
  --cat-ba: #0891b2;
  --cat-edilizia: #65a30d;

  /* --- Colori per contesti a sfondo chiaro (card--light, band--light, tooltip, ecc.) --- */
  --on-light-bright: #000;
  --on-light-heading: #111;
  --on-light-text: #444;
  --on-light-link: #222;
  --on-light-sub: #333;
  --on-light-muted: #666;
  --on-light-faint: #999;
  --on-light-border: #ccc;
  --on-light-btn-bg: var(--color-bg-card);
  --on-light-btn-text: #fff;

  /* --- Colori per contesti a sfondo scuro (card--dark, band--dark, hero, CTA, footer, ecc.) --- */
  --on-dark-bright: #FFFFFF;
  --on-dark-heading: #F4F7FC;
  --on-dark-text: #D0D8E6;
  --on-dark-link: #DEE4EE;
  --on-dark-sub: #D6DCE8;
  --on-dark-muted: #A0AEC4;
  --on-dark-faint: #7C8EA8;
  --on-dark-border: #4A6088;

  /* --- Colori accento --- */
  --color-featured: #b8860b;
  --color-featured-hover: #d4a017;
  --color-in-corso: #15803d;
}


/* =================================================================
   1b. PALETTE TEMI (override custom properties)
   Attivate aggiungendo la classe su <html>. Rimuovere prima del deploy.
   ================================================================= */

/* --- D1: Acciaio e Foresta --- */
:root.theme-d1 {
  --color-bg-page: #0f1117;
  --color-bg-dark: #0a0c12;
  --color-bg-darker: #0a0c12;
  --color-bg-card-dark: #161a24;
  --color-bg-card: #1e2330;
  --color-bg-card-hover: #262c3a;
  --color-bg-light: #1a1f2c;
  --color-bg-card-light: #1e2330;
  --color-text-primary: #E8ECF1;
  --color-text-light: #E8ECF1;
  --color-text-muted: #8A94A6;
  --color-text-muted-mid: #6B7589;
  --color-text-muted-dark: #5A6478;
  --color-text-subtle: #6B7589;
  --color-text-faint: #8A94A6;
  --color-border-dark: #2A3040;
  --color-border-mid: #343C50;
  --color-border-light: #3E4860;
  --color-border-faint: #2A3040;
  --color-border-hover: #4A6FA5;
  --color-white: #E8ECF1;
  --color-black: #0a0c12;
  --color-accent: #4A6FA5;
  --color-cta: #4D9F72;
  /* on-light invertite: su tema scuro il contesto "chiaro" e' scuro */
  --on-light-bright: #fff;
  --on-light-heading: #eee;
  --on-light-text: #bbb;
  --on-light-link: #ddd;
  --on-light-sub: #ccc;
  --on-light-muted: #aaa;
  --on-light-faint: #888;
  --on-light-border: #555;
  --on-light-btn-bg: #fff;
  --on-light-btn-text: var(--color-bg-card);
  /* on-dark: tinte blu-grigio su card #1e2330 */
  --on-dark-bright: #E8ECF1;
  --on-dark-heading: #E8ECF1;
  --on-dark-text: #9AA4B8;
  --on-dark-link: #B8C0D0;
  --on-dark-sub: #A8B2C4;
  --on-dark-muted: #7A8498;
  --on-dark-faint: #5A6478;
  --on-dark-border: #343C50;
}

/* --- D2: Teal Engineering --- */
:root.theme-d2 {
  --color-bg-page: #0C1214;
  --color-bg-dark: #080E10;
  --color-bg-darker: #080E10;
  --color-bg-card-dark: #141D21;
  --color-bg-card: #1A2529;
  --color-bg-card-hover: #223035;
  --color-bg-light: #162024;
  --color-bg-card-light: #1A2529;
  --color-text-primary: #E4EBED;
  --color-text-light: #E4EBED;
  --color-text-muted: #7A8F96;
  --color-text-muted-mid: #5F7A82;
  --color-text-muted-dark: #4E6870;
  --color-text-subtle: #5F7A82;
  --color-text-faint: #7A8F96;
  --color-border-dark: #243035;
  --color-border-mid: #2E3C42;
  --color-border-light: #38484F;
  --color-border-faint: #243035;
  --color-border-hover: #2D9E99;
  --color-white: #E4EBED;
  --color-black: #080E10;
  --color-accent: #2D9E99;
  --color-cta: #3D5A8C;
  /* on-light invertite: su tema scuro il contesto "chiaro" e' scuro */
  --on-light-bright: #fff;
  --on-light-heading: #eee;
  --on-light-text: #bbb;
  --on-light-link: #ddd;
  --on-light-sub: #ccc;
  --on-light-muted: #aaa;
  --on-light-faint: #888;
  --on-light-border: #555;
  --on-light-btn-bg: #fff;
  --on-light-btn-text: var(--color-bg-card);
  /* on-dark: tinte teal su card #1A2529 */
  --on-dark-bright: #E4EBED;
  --on-dark-heading: #E4EBED;
  --on-dark-text: #96AEB6;
  --on-dark-link: #B4C8CE;
  --on-dark-sub: #A4BAC0;
  --on-dark-muted: #7A9098;
  --on-dark-faint: #5A7078;
  --on-dark-border: #2E3C42;
}

/* --- D3: Notte Bitonale --- */
:root.theme-d3 {
  --color-bg-page: #111111;
  --color-bg-dark: #0A0A0A;
  --color-bg-darker: #0A0A0A;
  --color-bg-card-dark: #141414;
  --color-bg-card: #222222;
  --color-bg-card-hover: #2A2A2A;
  --color-bg-light: #1C1C1C;
  --color-bg-card-light: #222222;
  --color-text-primary: #EEEEEE;
  --color-text-light: #EEEEEE;
  --color-text-muted: #AAAAAA;
  --color-text-muted-mid: #888888;
  --color-text-muted-dark: #666666;
  --color-text-subtle: #999999;
  --color-text-faint: #CCCCCC;
  --color-border-dark: #333333;
  --color-border-mid: #444444;
  --color-border-light: #555555;
  --color-border-faint: #333333;
  --color-border-hover: #4A6FA5;
  --color-white: #EEEEEE;
  --color-black: #0A0A0A;
  --color-accent: #4A6FA5;
  --color-cta: #4D9F72;
  /* on-light invertite: su tema scuro il contesto "chiaro" e' scuro */
  --on-light-bright: #fff;
  --on-light-heading: #eee;
  --on-light-text: #bbb;
  --on-light-link: #ddd;
  --on-light-sub: #ccc;
  --on-light-muted: #aaa;
  --on-light-faint: #888;
  --on-light-border: #555;
  --on-light-btn-bg: #fff;
  --on-light-btn-text: var(--color-bg-card);
  /* on-dark: grigi neutri su card #222222 (quasi identico a :root) */
  --on-dark-bright: #EEEEEE;
  --on-dark-heading: #EEEEEE;
  --on-dark-text: #BBBBBB;
  --on-dark-link: #DDDDDD;
  --on-dark-sub: #CCCCCC;
  --on-dark-muted: #AAAAAA;
  --on-dark-faint: #888888;
  --on-dark-border: #444444;
}

/* --- L1: Ingegneria Pulita --- */
:root.theme-l1 {
  --color-bg-page: #F7F8FA;
  --color-bg-dark: #2E4A7A;
  --color-bg-darker: #1D3560;
  --color-bg-card-dark: #243B66;
  --color-bg-card: #2E4A7A;
  --color-bg-card-hover: #354F7E;
  --color-bg-light: #ECEEF2;
  --color-bg-card-light: #FFFFFF;
  --color-text-primary: #1A2236;
  --color-text-light: #F0F2F6;
  --color-text-muted: #6B7A90;
  --color-text-muted-mid: #5A6A82;
  --color-text-muted-dark: #4A5A72;
  --color-text-subtle: #8090A8;
  --color-text-faint: #AAB4C4;
  --color-border-dark: #3A5070;
  --color-border-mid: #4A6088;
  --color-border-light: #D1D5DE;
  --color-border-faint: #E0E3EA;
  --color-border-hover: #2E4A7A;
  --color-white: #FFFFFF;
  --color-black: #1A2236;
  --color-accent: #2E4A7A;
  --color-cta: #2D9E99;
  /* on-light esplicite: stessi valori di :root per simmetria */
  --on-light-bright: #000;
  --on-light-heading: #111;
  --on-light-text: #444;
  --on-light-link: #222;
  --on-light-sub: #333;
  --on-light-muted: #666;
  --on-light-faint: #999;
  --on-light-border: #ccc;
  --on-light-btn-bg: var(--color-bg-card);
  --on-light-btn-text: #fff;
  /* on-dark: tinte blu su card #2E4A7A — contrasto ricalcolato per bg piu' chiaro */
  --on-dark-bright: #FFFFFF;
  --on-dark-heading: #F0F2F6;
  --on-dark-text: #D0D8E4;
  --on-dark-link: #DEE2EC;
  --on-dark-sub: #D6DCE8;
  --on-dark-muted: #A8B4C8;
  --on-dark-faint: #8094B0;
  --on-dark-border: #4A6088;
}

/* --- L2: Cantiere Caldo --- */
:root.theme-l2 {
  --color-bg-page: #FAF9F7;
  --color-bg-dark: #3A5C40;
  --color-bg-darker: #2A4430;
  --color-bg-card-dark: #324E38;
  --color-bg-card: #3A5C40;
  --color-bg-card-hover: #426644;
  --color-bg-light: #F0EDE8;
  --color-bg-card-light: #FFFFFF;
  --color-text-primary: #2A2A2A;
  --color-text-light: #F5F3EF;
  --color-text-muted: #7A7568;
  --color-text-muted-mid: #6A655A;
  --color-text-muted-dark: #5A5548;
  --color-text-subtle: #8A8578;
  --color-text-faint: #B0AA9C;
  --color-border-dark: #4A6650;
  --color-border-mid: #5A7860;
  --color-border-light: #D6D1C8;
  --color-border-faint: #E6E1D8;
  --color-border-hover: #3A5C40;
  --color-white: #FFFFFF;
  --color-black: #2A2A2A;
  --color-accent: #3A5C40;
  --color-cta: #2E4A7A;
  /* on-light esplicite: stessi valori di :root per simmetria */
  --on-light-bright: #000;
  --on-light-heading: #111;
  --on-light-text: #444;
  --on-light-link: #222;
  --on-light-sub: #333;
  --on-light-muted: #666;
  --on-light-faint: #999;
  --on-light-border: #ccc;
  --on-light-btn-bg: var(--color-bg-card);
  --on-light-btn-text: #fff;
  /* on-dark: tinte calde su card #3A5C40 — contrasto ricalcolato per bg piu' chiaro */
  --on-dark-bright: #FFFFFF;
  --on-dark-heading: #F5F3EF;
  --on-dark-text: #D8D4C8;
  --on-dark-link: #E4E0D6;
  --on-dark-sub: #DED8CE;
  --on-dark-muted: #B0AA98;
  --on-dark-faint: #8A8470;
  --on-dark-border: #5A7860;
}

/* --- L3: Bluepoint --- */
:root.theme-l3 {
  --color-bg-page: #FFFFFF;
  --color-bg-dark: #2E4A7A;
  --color-bg-darker: #1D3560;
  --color-bg-card-dark: #243B66;
  --color-bg-card: #2E4A7A;
  --color-bg-card-hover: #354F7E;
  --color-bg-light: #EDF1F7;
  --color-bg-card-light: #FFFFFF;
  --color-text-primary: #1A1A2E;
  --color-text-light: #F4F7FC;
  --color-text-muted: #5C6B82;
  --color-text-muted-mid: #4C5B72;
  --color-text-muted-dark: #3C4B62;
  --color-text-subtle: #7C8BA2;
  --color-text-faint: #A0ADBE;
  --color-border-dark: #3A5070;
  --color-border-mid: #4A6088;
  --color-border-light: #C8D1DE;
  --color-border-faint: #DDE3EE;
  --color-border-hover: #1D3560;
  --color-white: #FFFFFF;
  --color-black: #1A1A2E;
  --color-accent: #2E4A7A;
  --color-cta: #2E4A7A;
  /* on-light esplicite: stessi valori di :root per simmetria */
  --on-light-bright: #000;
  --on-light-heading: #111;
  --on-light-text: #444;
  --on-light-link: #222;
  --on-light-sub: #333;
  --on-light-muted: #666;
  --on-light-faint: #999;
  --on-light-border: #ccc;
  --on-light-btn-bg: var(--color-bg-card);
  --on-light-btn-text: #fff;
  /* on-dark: tinte blu fredde su card #2E4A7A (stesso bg di L1) */
  --on-dark-bright: #FFFFFF;
  --on-dark-heading: #F4F7FC;
  --on-dark-text: #D0D8E6;
  --on-dark-link: #DEE4EE;
  --on-dark-sub: #D6DCE8;
  --on-dark-muted: #A0AEC4;
  --on-dark-faint: #7C8EA8;
  --on-dark-border: #4A6088;
}


/* =================================================================
   2. RESET & BASE
   ================================================================= */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-body); color: var(--color-text-primary); background: var(--color-bg-page); line-height: 1.6; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); }


/* =================================================================
   3. A11Y
   ================================================================= */

/* Skip-to-content */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  background: var(--color-bg-darker);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  text-decoration: none;

  &:focus { left: 0; }
}

/* Focus visibile: alto contrasto su sfondo scuro/chiaro */
:focus-visible { outline: 2px solid var(--color-white); outline-offset: 2px; }
.band--light :focus-visible,
.section :focus-visible { outline-color: var(--color-bg-darker); }


/* =================================================================
   4. LAYOUT
   ================================================================= */

/* Container */
.container { max-width: 1100px; margin: 0 auto; padding-left: 2rem; padding-right: 2rem; }
.container--center { text-align: center; margin-bottom: 1.5rem; }

/* Sections & Bands (full-bleed) */
.section { padding: 5rem 0; }
.section--spaced { padding: 6rem 0; }
.band { padding: 3.5rem 0; width: 100%; }
.band--dark { background: var(--color-bg-card-dark); color: var(--on-dark-text); }
.band--light { background: var(--color-bg-light); color: var(--on-light-text); }

/* Grid auto-fill responsive */
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; }
.grid-auto--narrow { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.5rem; }
.grid-auto--small { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.75rem; }


/* =================================================================
   5. TYPOGRAPHY
   ================================================================= */

/* Text muted: testo secondario */
.text-muted { font-size: var(--text-sm); line-height: 1.5; margin: 0; }
.text-muted--light { color: var(--on-dark-text); }
.text-muted--mid { color: var(--color-text-muted-mid); }
.text-muted--dark { color: var(--color-text-muted-dark); }

/* Paragrafo di continuazione (secondo blocco testo, tono secondario) */
.text-continuation { margin-top: 1rem; }
.band--dark .text-continuation { color: var(--on-dark-muted); }
.band--light .text-continuation, .section .text-continuation { color: var(--on-light-muted); }

/* Paragrafo introduttivo (larghezza limitata, tono secondario) */
.text-intro { max-width: 640px; margin-bottom: 2rem; }
.band--dark .text-intro { color: var(--on-dark-muted); }
.band--light .text-intro, .section .text-intro { color: var(--on-light-muted); }

/* Label upper: etichette uppercase */
.label-upper { font-size: var(--text-xs); text-transform: uppercase; }
.label-upper--tight { letter-spacing: 1px; }
.label-upper--normal { letter-spacing: 2px; }
.label-upper--wide { letter-spacing: 3px; }
.label-upper--light { color: var(--on-dark-muted); }
.label-upper--dark { color: var(--color-text-muted-dark); }
.label-upper--hero { font-size: var(--text-sm); font-weight: 700; }

/* Link arrow */
.link-arrow { font-size: var(--text-sm); font-weight: 600; color: #fff; text-decoration: none; }

/* Chip: badge dati inline */
.chip { font-size: var(--text-xs); padding: 0.25rem 0.75rem; background: rgba(255,255,255,0.1); border-radius: 4px; color: var(--color-text-faint); }

/* Section title (h2 reset, colore dal contesto) */
.section-title { font-size: var(--text-2xl); border: none; padding: 0; margin: 0; }
.section-title--spaced { margin-bottom: 2rem; }
.band--dark .section-title { color: var(--on-dark-heading); }
.band--light .section-title { color: var(--on-light-heading); }
.section .section-title { color: var(--color-text-primary); }

/* Section headers */
.section-header { margin-bottom: 3rem; }
.section-header h2 { font-size: var(--text-2xl); border: none; padding: 0; margin-bottom: 0.5rem; }
.section-sub { font-size: var(--text-base); color: var(--color-text-muted-dark); }
.section-header--spread { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 1rem; }


/* =================================================================
   6. COMPONENTS
   ================================================================= */

/* --- 6a. Nav --- */
.site-header { position: sticky; top: 0; z-index: 100; }

.nav {
  background: var(--color-bg-darker);
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.nav-brand { font-weight: 700; font-size: var(--text-base); letter-spacing: 2px; text-transform: uppercase; color: var(--color-white); display: flex; align-items: center; gap: 0.5rem; }
.nav-brand a { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 0.5rem; }
.nav-logo { height: 2.6rem; width: auto; filter: drop-shadow(0 0 1px rgba(255,255,255,0.8)); }

.nav-links {
  display: flex; align-items: center; gap: 0.25rem; flex-wrap: wrap; list-style: none;

  & a, & button {
    background: none; border: none; padding: 0.4rem 0.75rem; font-size: var(--text-base);
    font-weight: 600; line-height: 1; color: var(--color-text-faint); text-decoration: none;
    cursor: pointer; font-family: inherit; display: inline-flex; align-items: center;
  }

  & .dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-bg-darker);
    border: none;
    list-style: none;
    min-width: 220px;
    z-index: 20;
    padding: 0.5rem 0.25rem;
    overflow: hidden;
    transform-origin: top center;
    animation: dropdownSlide 250ms ease-out both;

    & a { display: block; padding: 0.75rem 1.25rem; border: none; color: var(--color-text-faint); }
  }
}

.nav-toggle {
  display: none;
  background: none; border: none; padding: 0.5rem;
  cursor: pointer; color: var(--color-white); font-size: 1.5rem; line-height: 1;
}

.nav-item { position: relative; }
.nav-item:hover > .dropdown,
.nav-item:focus-within > .dropdown { display: block; }

@keyframes dropdownSlide {
  0% { opacity: 0; transform: translateY(-8px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* --- 6b. Hero --- */
.hero {
  position: relative;
  min-height: calc(100vh - 3.5rem);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-black);

  & h1 { font-size: var(--text-3xl); font-weight: 700; line-height: 1.15; margin-bottom: 1.5rem; }
}

.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero-overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.47); z-index: 0; }
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 720px; padding: 2rem; color: var(--on-dark-heading); }
.hero-overline { margin-bottom: 1.5rem; }
.hero-sub { font-size: var(--text-base); font-weight: 700; line-height: 1.6; color: var(--on-dark-muted); margin-bottom: 2.5rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* --- 6c. Buttons --- */
.btn { display: inline-block; padding: 0.75rem 2rem; text-decoration: none; border-radius: 4px; font-size: var(--text-sm); font-weight: 600; cursor: pointer; }
.btn--primary { background: var(--color-white); color: var(--color-black); border: 2px solid var(--color-white); }
.btn--outline { background: none; color: var(--on-dark-heading); border: 2px solid var(--on-dark-faint); }
.btn--lg { padding: 1rem 2.5rem; font-size: var(--text-base); }

/* --- 6d. Cards --- */
.card { border: 1px solid var(--color-border-dark); border-radius: 6px; }
.card--dark { background: var(--color-bg-card); color: var(--on-dark-text); }
.card--dark h3 { color: var(--on-dark-heading); }
.card--dark p { color: var(--on-dark-text); }
.card--darker { background: var(--color-bg-card-dark); color: var(--on-dark-text); }
.card--darker h3 { color: var(--on-dark-heading); }
.card--darker p { color: var(--on-dark-text); }
.card--light { background: var(--color-bg-card-light); border-color: var(--color-border-light); color: var(--on-light-text); }
.card--light h3 { color: var(--on-light-heading); }
.card--light p { color: var(--on-light-text); }
.card--light a:not(.btn) { color: var(--on-light-link); }
.card--light .btn--primary { background: var(--on-light-btn-bg); color: var(--on-light-btn-text); border-color: var(--on-light-btn-bg); }

/* Hover scale per elementi piccoli */
.hover-scale { transition: transform 150ms ease; }
.hover-scale:hover { transform: scale(1.05); }

/* Card hover lift */
.card--hover-lift {
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease, background 200ms ease;

  &:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    border-color: var(--color-border-hover);
  }

  &.card--dark:hover { background: var(--color-bg-card-hover); }
  &.card--darker:hover { background: var(--color-bg-card); }
  &.card--light:hover { background: var(--color-bg-page); border-color: var(--color-text-subtle); }
}

/* --- 6e. Tags --- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--text-xs);
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--color-text-subtle);
  border-radius: 3px;
}

.tag-icon {
  font-size: 0; width: 30px; height: 30px; display: inline-block; vertical-align: middle;
  background-color: currentColor;
  -webkit-mask-size: contain; mask-size: contain;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-position: center; mask-position: center;
}

/* Tag colori categoria */
.tag--energia     { border-color: var(--cat-energia);     color: var(--cat-energia); }
.tag--rinnovabili { border-color: var(--cat-rinnovabili); color: var(--cat-rinnovabili); }
.tag--clima       { border-color: var(--cat-clima);       color: var(--cat-clima); }
.tag--ict         { border-color: var(--cat-ict);         color: var(--cat-ict); }
.tag--decom       { border-color: var(--cat-decom);       color: var(--cat-decom); }
.tag--ba          { border-color: var(--cat-ba);          color: var(--cat-ba); }
.tag--edilizia    { border-color: var(--cat-edilizia);    color: var(--cat-edilizia); }

/* Tag icon mask per categoria */
.tag--energia .tag-icon       { -webkit-mask-image: url('../icon/energia.webp'); mask-image: url('../icon/energia.webp'); }
.tag--rinnovabili .tag-icon   { -webkit-mask-image: url('../icon/fonti_rinnovabili.webp'); mask-image: url('../icon/fonti_rinnovabili.webp'); }
.tag--clima .tag-icon         { -webkit-mask-image: url('../icon/climatizzazione.webp'); mask-image: url('../icon/climatizzazione.webp'); }
.tag--ict .tag-icon           { -webkit-mask-image: url('../icon/ict.webp'); mask-image: url('../icon/ict.webp'); }
.tag--decom .tag-icon         { -webkit-mask-image: url('../icon/decommissioning.webp'); mask-image: url('../icon/decommissioning.webp'); }
.tag--ba .tag-icon            { -webkit-mask-image: url('../icon/building_automation.webp'); mask-image: url('../icon/building_automation.webp'); }
.tag--edilizia .tag-icon      { -webkit-mask-image: url('../icon/edilizia_sostenibile.webp'); mask-image: url('../icon/edilizia_sostenibile.webp'); }

/* Tag icon-only (categorie nelle card e tooltip — senza label testuale) */
.tag--icon-only {
  padding: 0.15em 0.25em;
  gap: 0;
}
.tag--icon-only .tag-label { display: none; }

/* Tag badge speciali */
.tag--in-corso       { background: var(--color-in-corso); border-color: var(--color-in-corso); color: var(--color-white); font-weight: 600; }
.tag--internazionale { background: var(--color-featured); border-color: var(--color-featured); color: var(--color-white); font-weight: 600; }
.tag--badge          { border-color: var(--color-featured); color: var(--color-featured); font-weight: 600; }

/* --- 6f. Pills / Filtri --- */
.pill {
  background: var(--color-bg-card-dark);
  border: 1px solid var(--color-border-mid);
  border-radius: 20px;
  padding: 0.3rem 0.75rem;
  font-size: var(--text-xs);
  cursor: pointer;
  font-family: inherit;
  color: var(--on-dark-text);

  &:hover { border-color: var(--on-dark-heading); }
}

.pill--active { background: var(--color-white); color: var(--color-bg-darker); border-color: var(--color-white); }
.pill--energia.pill--active    { background: var(--cat-energia);     border-color: var(--cat-energia);     color: var(--color-white); }
.pill--rinnovabili.pill--active { background: var(--cat-rinnovabili); border-color: var(--cat-rinnovabili); color: var(--color-white); }
.pill--clima.pill--active      { background: var(--cat-clima);       border-color: var(--cat-clima);       color: var(--color-white); }
.pill--ict.pill--active        { background: var(--cat-ict);         border-color: var(--cat-ict);         color: var(--color-white); }
.pill--decom.pill--active      { background: var(--cat-decom);       border-color: var(--cat-decom);       color: var(--color-white); }
.pill--ba.pill--active         { background: var(--cat-ba);          border-color: var(--cat-ba);          color: var(--color-white); }
.pill--edilizia.pill--active   { background: var(--cat-edilizia);    border-color: var(--cat-edilizia);    color: var(--color-white); }

/* --- 6g. Marquee --- */
.marquee-header { display: flex; align-items: center; justify-content: center; gap: 0.75rem; }

.marquee-pause {
  appearance: none; -webkit-appearance: none;
  background: transparent; border: none;
  width: 1.25rem; height: 1.25rem; min-width: 1.25rem; padding: 0; flex-shrink: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  display: inline-flex; align-items: center; justify-content: center;
  opacity: 0.4; transition: opacity 150ms ease;

  & svg { width: 100%; height: 100%; fill: var(--color-text-faint); }
  &:hover { opacity: 0.7; }
  &:focus-visible { outline: 2px solid var(--color-text-primary); outline-offset: 2px; }
}

.ticker-label { margin-bottom: 1rem; }

.marquee {
  overflow: hidden; white-space: nowrap; padding: 0.5rem 0; display: flex;

  &:hover .marquee-track { animation-play-state: paused; }
  &.marquee--paused .marquee-track { animation-play-state: paused; }
}

.marquee-track { display: inline-flex; align-items: center; gap: 2rem; padding-right: 2rem; animation: marqueeScroll 37.5s linear infinite; flex-shrink: 0; }

.marquee-item {
  line-height: 1.2; color: var(--color-text-muted-mid); padding: 0; white-space: nowrap;
  &::after { content: "\00b7"; margin-left: 2rem; color: var(--color-text-subtle); }
}

.marquee-item--low { font-size: var(--text-lg); font-weight: 450; color: var(--color-text-subtle); }
.marquee-item--med { font-size: var(--text-xl); font-weight: 550; color: var(--color-text-muted-dark); }
.marquee-item--top { font-size: var(--text-2xl); font-weight: 700; color: var(--color-text-primary); }

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}


/* =================================================================
   7. BLOCKS
   ================================================================= */

/* --- 7a. Stats band --- */
.stats-row { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.stats-row--spaced { margin-bottom: 2.5rem; }
.stat { text-align: center; padding: 1rem 2rem; flex: 1; min-width: 120px; }
.stat-number { display: block; font-size: var(--text-2xl); font-weight: 700; line-height: 1.2; }
.stat-label { display: block; margin-top: 0.25rem; }
.stat-divider { width: 1px; height: 3rem; background: var(--color-border-mid); flex-shrink: 0; }

/* --- 7b. Services list --- */
.services-list { display: flex; flex-direction: column; }

.service-row {
  position: relative;
  z-index: 0;
  border-bottom: 1px solid var(--color-border-faint);
  transition: transform 200ms ease, box-shadow 200ms ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  will-change: transform;

  &:first-child { border-top: 1px solid var(--color-border-faint); }

  &:hover, &.is-touch-active {
    z-index: 10;
    transform: scale(1.05);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  }

  &:hover .service-link, &.is-touch-active .service-link {
    background: var(--color-bg-page);
    transition: background 200ms ease;
  }

  &:hover .service-arrow, &.is-touch-active .service-arrow {
    color: var(--color-text-primary);
    transform: translateX(4px);
  }
}

.service-link { display: flex; align-items: center; gap: 1rem; padding: 1.25rem 0.5rem; text-decoration: none; color: inherit; }

.service-icon {
  font-size: 0; flex-shrink: 0; width: 28px; height: 28px;
  -webkit-mask-size: contain; mask-size: contain;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-position: center; mask-position: center;
}

.service-name { font-size: var(--text-lg); font-weight: 600; white-space: nowrap; min-width: 180px; }
.service-desc { flex: 1; }
.service-arrow { font-size: var(--text-base); color: var(--color-text-subtle); margin-left: auto; flex-shrink: 0; transition: transform 200ms ease, color 200ms ease; visibility: hidden; pointer-events: none; }

/* Preview card */
.service-preview {
  position: absolute;
  right: var(--preview-right, 0);
  top: 50%;
  z-index: 1000;
  width: 300px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-50%);
  transform-origin: center center;

  &.is-preview-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(-50%);
    animation: previewFlipIn 460ms cubic-bezier(0.34, 1.4, 0.64, 1) backwards;
    transition: translate 150ms ease-out;
  }
}

@keyframes previewFlipIn {
  0% { opacity: 0; transform: translateY(-50%) perspective(800px) rotateX(-60deg); }
  100% { opacity: 1; transform: translateY(-50%) perspective(800px) rotateX(0); }
}

/* Preview usa ora struttura .opera-card — stili visivi ereditati da li' */

@keyframes mobileSlideOut {
  0%   { opacity: 0; clip-path: inset(0 0 100% 0); transform: translateY(-8px); }
  55%  { opacity: 1; clip-path: inset(0 0 -5% 0); transform: translateY(0); }
  70%  { clip-path: inset(0 0 -3% 0); transform: translateY(0); }
  100% { opacity: 1; clip-path: inset(0 0 0% 0); transform: translateY(0); }
}

/* --- 7c. Showcase / Slides --- */
.showcase {
  position: relative;
  background: var(--color-bg-darker);
}

.showcase-viewport {
  position: relative;
  height: calc(100svh - var(--nav-h, 2.5rem));
  overflow: hidden;
}

.showcase-header {
  position: absolute; top: 0; left: 0; right: 0; z-index: 10;
  padding: 0.5rem 0;
  background: rgba(17,17,17,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);

  & .container { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 1rem; }
  & h2 { color: var(--on-dark-heading); border: none; padding: 0; margin: 0; font-size: var(--text-xl); }
  & .link-arrow { color: #fff; }
}

.showcase-slide {
  position: absolute; top: var(--slide-top, 3rem); left: 0; right: 0; bottom: 0;
  display: flex; align-items: flex-end; overflow: hidden;
  opacity: 0; pointer-events: none;
  transition: opacity 500ms ease;

  &.is-active { opacity: 1; pointer-events: auto; }
}

.slide-bg {
  position: absolute; inset: -8%;
  min-height: auto; border: none; border-radius: 0;
  background: var(--color-bg-card); color: var(--color-text-muted-dark);
  font-size: var(--text-xs); z-index: 0;
  transition: translate 400ms ease-out;
}
.showcase-slide > picture {
  position: absolute; inset: -3%;
  z-index: 0;
  transition: translate 400ms ease-out;
}
.showcase-slide > picture > img {
  position: static; inset: auto;
  width: 100%; height: 100%;
  object-fit: cover;
}

.slide-content {
  position: relative; z-index: 1;
  padding: 3rem; max-width: 800px;
  display: flex; flex-direction: column; gap: 0.5rem;

  & h3 { font-size: var(--text-2xl); color: var(--on-dark-bright); display: block; }
  & h3 a { color: inherit; text-decoration: none; }
  & .tag { background: rgba(0,0,0,0.5); border-color: rgba(255,255,255,0.3); color: var(--on-dark-heading); align-self: flex-start; }
  & .link-arrow { color: var(--on-dark-sub); }
  & .text-muted { color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,0.8); }
  & .chip { color: #fff; background: rgba(255,255,255,0.2); text-shadow: 0 1px 4px rgba(0,0,0,0.8); font-weight: 500; }
}

.slide-stats { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.slide-counter {
  position: absolute; bottom: 3rem; right: 3rem;
  font-size: var(--text-xs); letter-spacing: 2px; color: var(--on-dark-faint); z-index: 1;
}

/* Showcase dots indicator */
.showcase-dots {
  position: absolute; right: 2rem; top: 50%; transform: translateY(-50%); z-index: 20;
  display: flex; flex-direction: column; gap: 0.75rem;
  padding: 0.75rem 0.5rem;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 20px;
}

.showcase-dot {
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--on-dark-sub);
  background: transparent;
  transition: background 200ms ease, border-color 200ms ease;
}

.showcase-dot.is-active {
  background: var(--on-dark-bright);
  border-color: var(--on-dark-bright);
}

/* --- 7d. Method grid (Come lavoriamo) --- */
.band-title { font-size: var(--text-2xl); border: none; padding: 0; margin-bottom: 2.5rem; color: var(--on-dark-heading); }
.method-step {
  padding: 1.5rem;
  & h3 { font-size: var(--text-base); margin-bottom: 0.5rem; color: var(--on-dark-heading); display: block; }
}
.method-number { display: block; font-size: var(--text-2xl); font-weight: 700; color: var(--on-dark-faint); margin-bottom: 0.5rem; }

.badge-ent-wrap { display: flex; justify-content: center; margin: 2.5rem auto 0; }
.badge-ent { display: inline-block; padding: 0.75rem 2rem; border: 2px solid var(--color-white); border-radius: 6px; font-size: var(--text-sm); font-weight: 700; color: var(--color-white); text-align: center; letter-spacing: 1px; background: rgba(255,255,255,0.08); }

/* --- 7e. CTA --- */
/* CTA leggera inline (post-servizi) */
.cta-inline { text-align: center; padding: 2rem 2rem; margin-bottom: 5rem; }
.cta-inline p { font-size: var(--text-base); color: var(--color-text-muted); margin: 0; }
.cta-inline a { color: var(--color-text-primary); font-weight: 600; text-decoration: none; }

/* Blocco narrativo candidati */
.narrative-content { max-width: 640px; margin: 0 auto; text-align: center; }
.narrative-content h2 { font-size: var(--text-2xl); color: var(--color-text-primary); border: none; padding: 0; margin-bottom: 1.5rem; }
.narrative-content p { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.8; }

.cta-full { background: var(--color-bg-darker); padding: 6rem 2rem; text-align: center; }
.cta-content { max-width: 600px; margin: 0 auto; }
.cta-content h2 { font-size: var(--text-2xl); color: var(--color-white); border: none; margin-bottom: 0.75rem; padding: 0; }
.cta-content p { color: var(--on-dark-text); font-size: var(--text-base); margin-bottom: 2rem; }

.cta-block { padding: 2rem; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 1rem; text-align: center; }
.cta-title { border: none; margin: 0; padding: 0; font-size: var(--text-xl); color: var(--color-white); }
.cta-text { margin: 0.25rem 0 0; color: var(--on-dark-sub); font-size: var(--text-base); }
.cta-block h2 { border: none; margin: 0; padding: 0; font-size: var(--text-xl); color: var(--on-dark-heading); }
.inner-section .cta-block h2 { border: none; margin: 0; padding: 0; margin-top: 0; color: var(--on-dark-heading); }
.cta-block p { margin: 0.25rem 0 0; color: var(--on-dark-text); }

.cta-block--spread { justify-content: space-evenly; text-align: left; }
.cta-dual { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.cta-dual .cta-block { flex: 1; }

/* --- 7f. Mappa cantieri --- */
.map-section { padding-bottom: 2rem; }
.map-title { font-size: 2rem; font-weight: 700; color: var(--color-text-primary); border: none; padding: 0; margin: 0 0 1.5rem; text-align: center; }

.map-container {
  position: relative;
  max-width: 450px;
  margin: 0 auto;
  aspect-ratio: 4 / 5;
}

.map-svg { display: block; width: 100%; height: 100%; }
.map-svg path { fill: var(--color-white); stroke: color-mix(in srgb, var(--color-white) 60%, var(--color-black)); stroke-width: 1; }

.map-dot {
  position: absolute; width: 12px; height: 12px; border-radius: 50%;
  border: none; padding: 0; cursor: pointer;
  transform: translate(-50%, -50%); z-index: var(--dot-z, 2); background: transparent;

  &::before {
    content: ''; display: block; width: 100%; height: 100%; border-radius: 50%;
    background: var(--dot-color, var(--color-white));
    box-shadow:
      0 0 0 var(--ring-1-gap, 0px) var(--color-bg-dark, #1a1a2e),
      0 0 0 var(--ring-1-end, 0px) var(--dot-cat-2, transparent),
      0 0 0 var(--ring-2-gap, 0px) var(--color-bg-dark, #1a1a2e),
      0 0 0 var(--ring-2-end, 0px) var(--dot-cat-3, transparent);
  }

  &:focus-visible { outline: 2px solid var(--color-white); outline-offset: 4px; }
  &[aria-hidden="true"] { display: none; }
}

.map-dot--attivo::after {
  content: ''; position: absolute;
  inset: calc(-4px - var(--ring-2-end, var(--ring-1-end, 0px)));
  border-radius: 50%;
  border: 2px solid var(--dot-color, var(--color-white));
  animation: dotPulse 2s ease-in-out infinite;
  pointer-events: none;
}

.map-dot--storico { opacity: 0.4; filter: saturate(0.3); }

/* Dot colori categoria */
.map-dot[data-cat="energia"]              { --dot-color: var(--cat-energia); }
.map-dot[data-cat="fonti-rinnovabili"]    { --dot-color: var(--cat-rinnovabili); }
.map-dot[data-cat="climatizzazione"]      { --dot-color: var(--cat-clima); }
.map-dot[data-cat="ict-datacenter"]       { --dot-color: var(--cat-ict); }
.map-dot[data-cat="decommissioning"]      { --dot-color: var(--cat-decom); }
.map-dot[data-cat="building-automation"]  { --dot-color: var(--cat-ba); }
.map-dot[data-cat="edilizia-sostenibile"] { --dot-color: var(--cat-edilizia); }

@keyframes dotPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0; transform: scale(1.8); }
}

/* Tooltip mappa */
.map-tooltip {
  position: absolute; z-index: 20; width: max-content; max-width: 300px;
  padding: 0.6rem 0.8rem;
  display: flex; flex-direction: column; gap: 0.25rem;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 150ms ease, visibility 150ms ease;

  &.is-visible { opacity: 1; visibility: visible; pointer-events: auto; }
}

.map-tooltip-tag-row { display: flex; flex-wrap: wrap; gap: 0.25rem; align-items: center; justify-content: space-between; }
.map-tooltip-title { font-size: var(--text-sm); font-weight: 600; color: var(--on-light-heading); margin: 0; }

/* Lista fallback accessibile */
.map-fallback { margin-top: 1rem; }
.map-fallback summary { font-size: var(--text-sm); font-weight: 600; color: var(--color-text-muted); cursor: pointer; padding: 0.5rem 0; }
.map-fallback-list {
  list-style: none; padding: 0; columns: 2; column-gap: 1.5rem;

  & li { font-size: var(--text-sm); color: var(--color-text-muted-dark); padding: 0.2rem 0; break-inside: avoid; }
  & a { color: var(--color-text-light); text-decoration: none; }
  & a:hover { color: var(--color-white); }
}

/* --- 7g. Opera card --- */
.opera-card {
  overflow: hidden; display: flex; flex-direction: column;

  & > .placeholder { min-height: 140px; border-radius: 0; border: none; border-bottom: 1px solid var(--color-bg-light); }
  & .chip { background: rgba(128,128,128,0.15); color: var(--color-text-muted-mid); }
}

.opera-tag-row { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 1rem; border-bottom: 1px solid var(--color-bg-light); gap: 0.5rem; }
.opera-tag-cats, .opera-tag-badges { display: flex; align-items: center; gap: 0.3rem; }

.opera-card-body {
  padding: 0.75rem 1rem 0.5rem; flex: 1;

  & h2, & h3 { font-size: var(--text-base); border: none; margin: 0 0 0.25rem; padding: 0; color: var(--color-text-primary); }
  & h2 a, & h3 a { color: inherit; text-decoration: none; }
}

.opera-committente { margin-bottom: 0.15rem; color: var(--on-light-muted); }
.opera-commissionato { margin-bottom: 0.5rem; font-size: var(--text-xs); color: var(--on-light-faint); }
.opera-label { font-weight: 600; text-transform: uppercase; font-size: var(--text-xs); letter-spacing: 0.5px; opacity: 0.7; }
.opera-wow { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.5rem; }
.opera-locations { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.5rem; }
.opera-meta { margin: 0; }
.opera-meta small { color: var(--on-light-muted); }

/* Card featured */
.card.opera-card--featured { border: 3px solid var(--color-featured); }
.card.opera-card--featured:hover { border-color: var(--color-featured-hover); }

.opera-card-footer {
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--color-border-faint);
  background: color-mix(in srgb, var(--color-bg-card-light) 85%, var(--color-black));
  & a { font-size: var(--text-sm); font-weight: 600; color: var(--on-light-heading); text-decoration: none; }
}

/* Opere grid */
.opere-section { background: var(--color-bg-card-hover); color: var(--on-dark-text); }
.opere-section .label-upper { color: var(--on-dark-muted); }
.opere-section .filter-count { color: var(--on-dark-muted); }

/* --- 7h. Scheda opera (pagina singola) --- */
.process-flow { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; justify-content: center; width: fit-content; margin: 0 auto 2rem; padding: 1rem; background: var(--color-bg-card); border: 1px solid var(--on-dark-border); border-radius: 6px; }
.process-step { padding: 0.5rem 1rem; border: 1px solid var(--on-dark-muted); border-radius: 4px; font-size: var(--text-sm); font-weight: 600; background: var(--color-bg-card-hover); color: var(--color-white); transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease; }
.process-step:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); border-color: var(--on-dark-heading); }
.process-arrow { font-size: var(--text-lg); color: var(--color-text-muted-mid); }
.process-label { text-align: center; width: 100%; margin-top: 0.25rem; }
.scheda-img .card--hover-lift:hover { background: inherit; }
.scheda-layout { display: flex; gap: 1.5rem; margin-bottom: 2rem; flex-wrap: wrap; }
.scheda-img { flex: 1.5; min-width: 280px; }
.scheda-img .placeholder { min-height: 200px; width: 100%; }
.scheda-stats { flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; align-self: start; }
.scheda-stat { padding: 1rem; text-align: center; transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease; }
.scheda-stat:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); border-color: var(--color-border-hover); }
.scheda-stat-value { font-size: var(--text-lg); font-weight: 700; color: var(--on-dark-heading); }
.scheda-stat-label { margin-top: 0.2rem; }
.gallery-grid { margin-bottom: 2rem; }
.project-nav { display: flex; justify-content: space-between; padding-top: 1.5rem; border-top: 1px solid var(--color-border-dark); }
.project-nav a { color: var(--on-dark-sub); text-decoration: none; font-size: var(--text-base); font-weight: 600; transition: color 200ms ease; }
.project-nav a:hover { color: var(--color-white); }
.scheda-back { margin-top: 2rem; text-align: center; }

/* --- 7i. Jobs list (lavora-con-noi) --- */
.jobs-instructions { font-size: var(--text-base); margin-bottom: 1.5rem; }
.jobs-instructions a { font-weight: 600; text-decoration: underline; }
.band--dark .jobs-instructions { color: var(--on-dark-heading); }
.band--dark .jobs-instructions a { color: var(--on-dark-bright); }
.band--light .jobs-instructions, .section .jobs-instructions { color: var(--on-light-sub); }
.band--light .jobs-instructions a, .section .jobs-instructions a { color: var(--on-light-bright); }
.jobs-list { display: flex; flex-direction: column; }

.job-row {
  position: relative;
  border-bottom: 1px solid var(--color-border-mid);
  transition: transform 200ms ease, box-shadow 200ms ease;

  &:first-child { border-top: 1px solid var(--color-border-mid); }

  &:hover .job-row-link, &.is-active .job-row-link { background: rgba(255,255,255,0.05); }
  &:hover .job-row-arrow, &.is-active .job-row-arrow { color: var(--color-text-light); transform: translateX(4px); }
  &.is-active .job-row-arrow { transform: rotate(90deg); }
}

.job-row-link { display: flex; align-items: center; gap: 1rem; padding: 1.25rem 0.5rem; cursor: pointer; }
.job-row-title { font-size: var(--text-lg); font-weight: 600; color: var(--color-text-light); flex: 1; }
.job-row-meta { display: flex; flex-wrap: wrap; gap: 0.35rem; font-weight: 600; }
.job-row-arrow { font-size: var(--text-base); color: var(--color-text-muted-dark); margin-left: auto; flex-shrink: 0; transition: transform 200ms ease, color 200ms ease; }

.job-preview {
  display: grid; grid-template-rows: 0fr; overflow: hidden;
  transition: grid-template-rows 350ms ease;

  & > .job-preview-body { overflow: hidden; }
  &.is-open { grid-template-rows: 1fr; }
  &.is-open .job-preview-body { padding: 1rem; }
}

.job-preview-body {
  padding: 0 1rem;
  & h3 { font-size: var(--text-base); font-weight: 600; margin: 1rem 0 0.5rem; color: var(--color-text-primary); }
  & h3:first-child { margin-top: 0; }
  & p { margin: 0 0 0.75rem; }
  & ul { margin: 0 0 0.75rem; padding-left: 1.25rem; }
  & li { margin-bottom: 0.25rem; }
  & .btn--sm { font-size: var(--text-sm); padding: 0.4rem 1rem; display: inline-block; margin-top: 0.5rem; }
}


/* =================================================================
   8. PAGE-SPECIFIC
   ================================================================= */

/* --- Filtri (opere) --- */
.filters-section { padding-top: 0; padding-bottom: 0; background: var(--color-black); position: relative; z-index: 50; }

.filter-bar { display: flex; justify-content: space-around; align-items: center; padding: 0.75rem 0; }
.filter-bar-item { display: flex; align-items: center; gap: 0.4rem; padding: 0 1rem; border-left: 1px solid var(--color-border-hover); border-right: 1px solid var(--color-border-hover); }
.filter-bar-label { font-size: var(--text-xs); font-weight: 600; color: var(--color-text-subtle); text-transform: uppercase; letter-spacing: 0.5px; }
.filter-bar-btn[aria-expanded="true"] { border-color: var(--color-white); }

.filter-panel { padding: 1rem 0; background: var(--color-black); position: absolute; left: 0; right: 0; top: 100%; z-index: 30; }
.filter-panel > .filter-pills { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.filter-panel[hidden] { display: none; }

.filter-group { margin-bottom: 0.75rem; }
.filter-label { display: block; margin-bottom: 0.35rem; font-weight: 600; }
.filter-pills { display: flex; flex-wrap: wrap; gap: 0.35rem; justify-content: space-around; }
.filter-count { font-size: var(--text-sm); color: var(--color-text-muted-mid); margin-bottom: 1rem; }

/* --- Service hero (pagine servizio) --- */
.service-hero {
  position: relative; overflow: hidden; padding: 4rem 0 4rem;

  & .hero-bg {
    position: absolute; inset: -8%; z-index: 0;
    background-position: center; background-size: cover; background-repeat: no-repeat;
    display: flex; align-items: center; justify-content: center;
    font-size: var(--text-xl); font-weight: 700;
    color: rgba(255,255,255,0.1); letter-spacing: 6px; text-transform: uppercase;
    transition: translate 400ms ease-out;
  }

  &::after { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,0.5); z-index: 0; }
  & > .container { position: relative; z-index: 1; }
  & > .container > p { font-size: var(--text-base); color: var(--on-dark-sub); max-width: 640px; line-height: 1.6; }

  & h1 { font-size: var(--text-3xl); font-weight: 700; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; color: var(--on-dark-bright); }
  & h1 .tag-icon { width: 75px; height: 75px; vertical-align: middle; background-color: var(--on-dark-bright); }
  & h2 { font-size: var(--text-xl); margin-top: 3rem; margin-bottom: 1.5rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--on-dark-border); color: var(--on-dark-heading); }

  & ~ .band--dark.inner-section { background: var(--color-bg-card-hover); }
}

/* Tag icon colori per h1 pagine servizio */
.tag-icon--energia       { -webkit-mask-image: url('../icon/energia.webp'); mask-image: url('../icon/energia.webp'); background-color: var(--cat-energia); }
.tag-icon--rinnovabili   { -webkit-mask-image: url('../icon/fonti_rinnovabili.webp'); mask-image: url('../icon/fonti_rinnovabili.webp'); background-color: var(--cat-rinnovabili); }
.tag-icon--clima         { -webkit-mask-image: url('../icon/climatizzazione.webp'); mask-image: url('../icon/climatizzazione.webp'); background-color: var(--cat-clima); }
.tag-icon--ict           { -webkit-mask-image: url('../icon/ict.webp'); mask-image: url('../icon/ict.webp'); background-color: var(--cat-ict); }
.tag-icon--decom         { -webkit-mask-image: url('../icon/decommissioning.webp'); mask-image: url('../icon/decommissioning.webp'); background-color: var(--cat-decom); }
.tag-icon--ba            { -webkit-mask-image: url('../icon/building_automation.webp'); mask-image: url('../icon/building_automation.webp'); background-color: var(--cat-ba); }
.tag-icon--edilizia      { -webkit-mask-image: url('../icon/edilizia_sostenibile.webp'); mask-image: url('../icon/edilizia_sostenibile.webp'); background-color: var(--cat-edilizia); }

/* Hero background-image per pagina (position/size/repeat ereditati da .hero-bg) */
.hero-bg--chi-siamo    { background-image: url('../img/chi_siamo.jpg'); }
.hero-bg--contatti     { background-image: url('../img/contatti.jpg'); }
.hero-bg--lavora       { background-image: url('../img/lavora_con_noi.jpg'); }
.hero-bg--energia      { background-image: url('../img/energy.jpg'); }
.hero-bg--rinnovabili  { background-image: url('../img/rinnovabili.jpg'); }
.hero-bg--clima        { background-image: url('../img/climatizzazione.jpg'); }
.hero-bg--ict          { background-image: url('../img/datacenter_white.jpg'); }
.hero-bg--decom        { background-image: url('../img/decommissioning.jpg'); }
.hero-bg--ba           { background-image: url('../img/building_automation.jpg'); }
.hero-bg--edilizia     { background-image: url('../img/edilizia_sostenibile.jpg'); }
.hero-bg--opere        { background-image: url('../img/opere.jpg'); }

/* Related projects (pagine servizio) */
.related-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1.5rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--color-border-dark); }
.related-header h2 { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.related-header .link-arrow { color: #fff; }

/* Competenze (pagine servizio) */
.competenza {
  padding: 1.5rem;
  & h3 { font-size: var(--text-base); margin-bottom: 0.5rem; color: var(--on-dark-heading); }
}

/* Inner headings */
.inner-section h2 { font-size: var(--text-xl); margin-top: 2.5rem; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--color-border-dark); color: var(--color-text-primary); }
.band--dark.inner-section h2 { color: var(--color-text-light); border-color: var(--color-border-mid); }

/* Contatti */
.contatti-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contatti-title { font-size: var(--text-xl); color: var(--color-text-primary); border: none; padding: 0; margin: 0 0 1.5rem; }
.contatti-blocco { margin-bottom: 1.5rem; }
.contatti-blocco h3 { margin-bottom: 0.5rem; }
.contatti-blocco p { margin: 0; color: var(--color-text-primary); line-height: 1.8; }
.contatti-blocco address { font-style: normal; line-height: 1.8; color: var(--color-text-muted); }
.contatti-blocco a { color: var(--color-text-primary); font-weight: 600; text-decoration: none; }
.contatti-mappa { min-height: 400px; align-self: stretch; }
.contatti-mappa iframe { border: 0; border-radius: 6px; width: 100%; height: 100%; }

/* Placeholder immagini */
.placeholder { background: var(--color-border-light); border: 2px dashed var(--color-text-subtle); border-radius: 4px; display: flex; align-items: center; justify-content: center; color: var(--color-text-muted-dark); font-size: var(--text-sm); text-align: center; min-height: 120px; }
.placeholder--ict { background: #2a1f4e; }
.placeholder--decom { background: #4e1f1f; }
.placeholder--rinnovabili { background: #1f4e2a; }

/* Breadcrumb */
.breadcrumb { list-style: none; display: flex; gap: 0.5rem; font-size: var(--text-sm); font-weight: 600; color: var(--on-dark-sub); margin-bottom: 1.5rem; }
.breadcrumb li + li::before { content: "→"; margin-right: 0.5rem; color: var(--on-dark-faint); }
.breadcrumb a { color: var(--on-dark-bright); text-decoration: none; }


/* =================================================================
   9. FOOTER
   ================================================================= */
.footer-ent {
  background: var(--color-bg-darker);
  color: var(--on-dark-muted);
  padding: 3rem 0 1.5rem;
}

.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: start; }
.footer-col { padding: 1rem 1.25rem; }
.footer-col--right { justify-self: end; text-align: right; }
.footer-col--highlight { justify-self: end; text-align: right; border: 2px solid var(--on-dark-sub); border-radius: 4px; }
.footer-col h3 { font-size: var(--text-sm); color: var(--on-dark-heading); margin-bottom: 0.5rem; }
.footer-col p,
.footer-col address { font-size: var(--text-sm); color: var(--on-dark-text); font-style: normal; line-height: 1.6; }
.footer-col a { color: var(--on-dark-link); text-decoration: none; }

.footer-bottom-ent { border-top: 1px solid var(--on-dark-border); margin-top: 2rem; padding-top: 1rem; }
.footer-bottom-ent small { color: var(--on-dark-faint); }


/* =================================================================
   10. RESPONSIVE
   ================================================================= */

/* Touch-only: frecce visibili, card come striscia orizzontale piena */
/* Mobile: nav hamburger + servizi compatti (breakpoint unico 860px) */
@media (max-width: 860px) {
  /* Nav hamburger */
  .nav-toggle { display: flex; align-items: center; }

  .nav-links {
    display: none; width: 100%; flex-direction: column; gap: 0;
    padding: 0.5rem 0; border-top: 1px solid var(--color-border-dark);
  }

  .nav-links.is-open { display: flex; }

  .nav-links a, .nav-links button { padding: 0.75rem 1rem; width: 100%; justify-content: flex-start; }

  .nav-item .dropdown {
    position: static; min-width: 100%; animation: none;
    padding-left: 1rem;
  }

  /* Servizi: layout compatto */
  .service-name { min-width: auto; font-size: var(--text-base); }
  .service-desc { display: none; }
}

/* Mobile + mouse (860px): card servizi in flusso su hover */
@media (max-width: 860px) and (hover: hover) {
  .service-arrow { visibility: visible; pointer-events: auto; }

  .service-row:hover, .service-row.is-touch-active {
    z-index: 10; box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  }

  .service-row .service-preview {
    position: relative; left: auto; top: auto; right: auto; width: 100%;
    display: none; flex-direction: row; align-items: center; gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transform: none; opacity: 1; visibility: visible;
    border-radius: 4px;
  }

  .service-preview .opera-tag-row { border: none; padding: 0; flex-shrink: 0; }
  .service-preview .opera-card-body {
    flex: 1; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; padding: 0;
  }
  .service-preview .opera-card-body h3 { font-size: var(--text-sm); margin: 0; white-space: nowrap; }
  .service-preview .opera-committente { font-size: var(--text-xs); margin: 0; }
  .service-preview .opera-wow { margin: 0; }
  .service-preview .opera-card-footer { border: none; background: none; padding: 0; flex-shrink: 0; }
  .service-preview .opera-card-footer a { font-size: var(--text-xs); white-space: nowrap; }

  .service-preview.is-preview-visible {
    display: flex; opacity: 1; visibility: visible; pointer-events: auto;
    animation: mobileSlideOut 500ms cubic-bezier(0.34, 1.4, 0.64, 1) both;
    transition: translate 150ms ease-out;
  }
}

/* General responsive (tablet/mobile) */
@media (max-width: 768px) {
  /* font-size hero h1, stat-number, slide h3, cta h2, service-hero h1
     rimossi: ora gestiti da clamp() sui token --text-xl/2xl/3xl */
  .hero-sub { font-size: var(--text-sm); }

  .stats-row { flex-direction: column; gap: 0; }
  .stat { padding: 0.75rem 1rem; }
  .stat-divider { width: 60%; height: 1px; margin: 0 auto; }

  .slide-content { padding: 2rem; }
  .slide-counter { bottom: 2rem; right: 2rem; }

  .grid-auto, .grid-auto--narrow, .grid-auto--small { grid-template-columns: 1fr; }

  .cta-block { flex-direction: column; text-align: center; }
  .cta-dual { grid-template-columns: 1fr; }
  .contatti-layout { grid-template-columns: 1fr; }

  .scheda-layout { flex-direction: column; }
  .scheda-stats { grid-template-columns: 1fr 1fr; }

  .filter-bar { flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
  .filter-bar-item { border: none; padding: 0.25rem 0.75rem; }

  .map-container { max-width: 300px; }
  .map-fallback-list { columns: 1; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-col--right,
  .footer-col--highlight { justify-self: start; text-align: left; }
}


/* =================================================================
   11. REDUCED MOTION
   ================================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}