/* Brussels BVP (Reg-X) landing page - based on the pscl.html/Italy pattern */

/* App-palette override - see kooling-solution-regx-01.css for rationale. */
:root{
  --gold-soft:rgba(1,186,239,0.15);
  --color-bg-dark:#0B4F6C;
  --color-bg-dark-soft:#12597B;
  --color-bg-light:#FFFFFF;
  --color-bg-light-soft:#DEDEDE;
  --color-accent-blue:#01BAEF;
  --color-accent-gold:#01BAEF;
  --color-accent-gold-soft:rgba(1,186,239,0.18);
  --color-text-primary:#4B5B65;
  --color-text-secondary:#7C8A93;
  --color-heading-on-dark:#FFFFFF;
  --color-text-on-dark:rgba(255,255,255,0.8);
  --color-line:rgba(75,91,101,0.14);
  --color-line-strong:rgba(75,91,101,0.24);
  --color-line-on-dark:rgba(255,255,255,0.14);
  --color-nav-bg:rgba(255,255,255,0.94);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  html { font-size: 16px; scroll-behavior: smooth; }

  body{font-family:'Barlow',sans-serif;background:var(--color-bg-light);color:var(--color-text-primary);font-weight:400;font-size:1rem;-webkit-font-smoothing:antialiased}

  a { text-decoration: none; color: inherit; }

  /* NAV is now the shared site nav (style.css) - page-specific nav rules removed */

  /* ── HERO ── */
  .hero {
    background: var(--color-bg-dark);
    color: var(--color-heading-on-dark);
    padding: 10rem 3.5rem 6rem;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--color-line-on-dark);
  }

  .hero-grid {
    position: absolute; inset: 0; pointer-events: none;
    background-image:
      linear-gradient(rgba(253,253,252,0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(253,253,252,0.03) 1px, transparent 1px);
    background-size: 80px 80px;
  }

  .hero-eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    margin-bottom: 2.5rem;
    font-weight: 400;
    font-family: 'DM Mono', monospace;
  }

  .hero-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(2.8rem, 5vw, 5.5rem);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.03em;
    color: var(--color-heading-on-dark);
    max-width: 16ch;
    margin-bottom: 2rem;
  }

  .hero-title em {
    font-style: normal;
    color: var(--color-accent-gold);
    font-weight: 400;
  }

  .hero-sub {
    font-family: 'Barlow', sans-serif;
    font-size: 1.15rem;
    line-height: 1.75;
    color: var(--color-text-on-dark);
    max-width: 52ch;
    font-weight: 300;
    margin-bottom: 3rem;
  }

  .btn-primary {
    display: inline-block;
    background: var(--color-accent-gold);
    color: var(--color-bg-dark);
    font-family: 'Barlow', sans-serif;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 600;
    padding: 1rem 2.2rem;
    transition: opacity 0.2s;
    cursor: pointer;
    border: none;
    text-align: center;
  }

  .btn-primary:hover { opacity: 0.85; }

  .btn-secondary {
    display: inline-block;
    border: 1px solid var(--color-text-primary);
    color: var(--color-text-primary);
    font-family: 'Barlow', sans-serif;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 500;
    padding: 1rem 2.2rem;
    transition: background 0.25s, color 0.25s;
    cursor: pointer;
    background: transparent;
  }

  .btn-secondary:hover { background: var(--color-text-primary); color: var(--color-bg-light); }

  .btn-primary-dark {
    display: inline-block;
    background: var(--color-accent-gold);
    color: var(--color-bg-dark);
    font-family: 'Barlow', sans-serif;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 600;
    padding: 1rem 2.2rem;
    transition: opacity 0.2s;
    cursor: pointer;
    border: none;
  }

  .btn-primary-dark:hover { opacity: 0.85; }

  /* ── SEZIONE PROBLEMA ── */
  .problema {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--color-line);
  }

  .problema-left {
    padding: 5rem 3.5rem;
    border-right: 1px solid var(--color-line);
  }

  .section-label {
    font-size: 0.62rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
    font-family: 'DM Mono', monospace;
  }

  .section-heading {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin-bottom: 1.8rem;
    color: var(--color-text-primary);
  }

  .section-body {
    font-family: 'Barlow', sans-serif;
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--color-text-secondary);
    font-weight: 300;
    max-width: 44ch;
  }

  .problema-right {
    padding: 5rem 3.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .normativa-title {
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'Barlow', sans-serif;
    letter-spacing: -0.01em;
    margin-bottom: 1.8rem;
    color: var(--color-text-primary);
  }

  .req-list {
    list-style: none;
    margin-bottom: 2.5rem;
  }

  .req-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--color-line);
    font-family: 'Barlow', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    font-weight: 400;
  }

  .req-list li:first-child { padding-top: 0; }
  .req-list li:last-child { border-bottom: none; padding-bottom: 0; }

  .req-num {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    color: var(--color-accent-gold);
    letter-spacing: 0.1em;
    flex-shrink: 0;
    padding-top: 0.15rem;
    min-width: 2rem;
  }

  .problema-note {
    font-family: 'Barlow', sans-serif;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-weight: 300;
    border-top: 1px solid var(--color-line);
    padding-top: 1.5rem;
    font-style: italic;
  }

  /* ── SEZIONE SOLUZIONE ── */
  .soluzione {
    background: var(--color-bg-dark);
    color: var(--color-heading-on-dark);
    border-bottom: 1px solid var(--color-line-on-dark);
  }

  .soluzione-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .soluzione-left {
    padding: 5rem 3.5rem;
    border-right: 1px solid var(--color-line-on-dark);
  }

  .soluzione-left .section-label { color: var(--color-accent-gold); }

  .soluzione-left .section-heading { color: var(--color-heading-on-dark); }

  .soluzione-left .section-body { color: var(--color-text-on-dark); }

  .soluzione-right {
    padding: 5rem 3.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0;
  }

  .platform-item {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-line-on-dark);
  }

  .platform-item:first-child { padding-top: 0; }
  .platform-item:last-child { border-bottom: none; padding-bottom: 0; }

  .platform-num {
    font-family: 'DM Mono', monospace;
    font-size: 0.6rem;
    color: var(--color-accent-gold);
    letter-spacing: 0.12em;
    flex-shrink: 0;
    padding-top: 0.2rem;
    min-width: 2.5rem;
  }

  .platform-text {
    font-family: 'Barlow', sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text-on-dark);
    font-weight: 400;
  }

  .platform-caption {
    display: block;
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    color: var(--color-accent-gold);
    letter-spacing: 0.08em;
    margin-top: 0.3rem;
    opacity: 0.7;
  }

  .infra-tag {
    margin-top: 3rem;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    border: 1px solid var(--color-line-on-dark);
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(253,253,252,0.4);
  }

  .infra-dot {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--color-accent-blue);
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
  }

  /* ── SEZIONE TOOL ── */
  .tool {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--color-line);
  }

  .tool-left {
    padding: 5rem 3.5rem;
    border-right: 1px solid var(--color-line);
  }

  .tool-right {
    padding: 5rem 3.5rem;
    background: var(--gold-soft);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .tool-output-label {
    font-size: 0.62rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    font-family: 'DM Mono', monospace;
  }

  .output-list {
    list-style: none;
    margin-bottom: 2.5rem;
  }

  .output-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-line);
    font-family: 'Barlow', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-primary);
  }

  .output-list li:first-child { padding-top: 0; }
  .output-list li:last-child { border-bottom: none; padding-bottom: 0; }

  .output-icon {
    width: 20px; height: 20px;
    border: 1px solid var(--color-accent-gold);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }

  .output-icon svg {
    width: 10px; height: 10px;
    stroke: var(--color-accent-gold);
  }

  /* ── SEZIONE BENEFICI ── */
  .benefici {
    border-bottom: 1px solid var(--color-line);
  }

  .benefici-header {
    padding: 3rem 3.5rem 2rem;
    border-bottom: 1px solid var(--color-line);
  }

  .benefici-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
  }

  .benefit-card {
    padding: 2.5rem 2rem;
    border-right: 1px solid var(--color-line);
  }

  .benefit-card:last-child { border-right: none; }

  .benefit-num {
    font-family: 'DM Mono', monospace;
    font-size: 0.6rem;
    color: var(--color-accent-gold);
    letter-spacing: 0.12em;
    margin-bottom: 1.5rem;
    display: block;
  }

  .benefit-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.01em;
    margin-bottom: 0.6rem;
    color: var(--color-text-primary);
  }

  .benefit-body {
    font-family: 'Barlow', sans-serif;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    font-weight: 300;
  }

  /* ── CTA FINALE ── */
  .cta-finale {
    background: var(--color-bg-dark);
    color: var(--color-heading-on-dark);
    padding: 7rem 3.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-finale-grid {
    position: absolute; inset: 0; pointer-events: none;
    background-image:
      linear-gradient(rgba(253,253,252,0.02) 1px, transparent 1px),
      linear-gradient(90deg, rgba(253,253,252,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
  }

  .cta-label {
    font-size: 0.62rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    margin-bottom: 2rem;
    font-family: 'DM Mono', monospace;
  }

  .cta-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(2rem, 3.5vw, 3.8rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: 1.2rem;
    color: var(--color-heading-on-dark);
  }

  .cta-sub {
    font-family: 'Barlow', sans-serif;
    font-size: 1.1rem;
    color: var(--color-text-on-dark);
    font-weight: 300;
    margin-bottom: 3rem;
    max-width: 48ch;
    margin-left: auto; margin-right: auto;
    line-height: 1.8;
  }

  /* ── FOOTER ── */
  footer {
    border-top: 1px solid var(--color-line);
    padding: 2rem 3.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .footer-brand {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-text-primary);
  }

  .footer-brand span { color: var(--color-accent-gold); }

  .footer-tags {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
  }

  .footer-tag {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 400;
    font-family: 'DM Mono', monospace;
  }

  .modal-overlay {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(20,28,31,0.75);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity 0.3s;
    padding: 2rem;
  }

  .modal-overlay.open { opacity: 1; pointer-events: all; }

  .modal {
    background: var(--color-bg-light);
    max-width: 540px; width: 100%;
    padding: 3rem;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s;
  }

  .modal-overlay.open .modal { transform: translateY(0); }

  .modal-close {
    position: absolute; top: 1.5rem; right: 1.5rem;
    background: none; border: none; cursor: pointer;
    font-size: 1.2rem; color: var(--color-text-secondary);
    line-height: 1;
  }

  .modal-label {
    font-size: 0.62rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    margin-bottom: 1.5rem;
    font-family: 'DM Mono', monospace;
  }

  .modal-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.6rem;
    color: var(--color-text-primary);
  }

  .modal-sub {
    font-family: 'Barlow', sans-serif;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    font-weight: 300;
  }

  /* ── QUIZ ── */
  .quiz-step { display: none; }
  .quiz-step.active { display: block; }

  .quiz-q {
    font-family: 'Barlow', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
  }

  .quiz-progress {
    display: flex; gap: 4px; margin-bottom: 2rem;
  }

  .quiz-dot {
    height: 2px; flex: 1;
    background: var(--color-line-strong);
    transition: background 0.3s;
  }

  .quiz-dot.done { background: var(--color-accent-gold); }

  .quiz-options {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 2rem;
  }

  .quiz-opt {
    display: flex; align-items: center; gap: 0.8rem;
    padding: 0.9rem 1rem;
    border: 1px solid var(--color-line);
    cursor: pointer;
    font-family: 'Barlow', sans-serif;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-text-primary);
    transition: border-color 0.2s, background 0.2s;
  }

  .quiz-opt:hover { border-color: var(--color-text-primary); }

  .quiz-opt.selected {
    border-color: var(--color-accent-gold);
    background: var(--gold-soft);
  }

  .quiz-opt-mark {
    width: 16px; height: 16px;
    border: 1px solid var(--color-line-strong);
    border-radius: 50%;
    flex-shrink: 0;
    transition: background 0.2s, border-color 0.2s;
  }

  .quiz-opt.selected .quiz-opt-mark {
    background: var(--color-accent-gold);
    border-color: var(--color-accent-gold);
  }

  .quiz-nav {
    display: flex; justify-content: flex-end; gap: 0.8rem;
  }

  .btn-quiz-next {
    background: var(--color-bg-dark); color: var(--color-bg-light);
    border: none; cursor: pointer;
    font-family: 'Barlow', sans-serif;
    font-size: 0.7rem; letter-spacing: 0.15em;
    text-transform: uppercase; font-weight: 500;
    padding: 0.7rem 1.5rem;
    transition: opacity 0.2s;
  }

  .btn-quiz-next:hover { opacity: 0.8; }

  /* ── RESULT ── */
  .quiz-result { display: none; }
  .quiz-result.active { display: block; }

  .result-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem; letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    font-weight: 400;
  }

  .result-badge.risk { background: #fef3f2; color: #c0392b; }
  .result-badge.partial { background: #fefce8; color: #92400e; }
  .result-badge.ok { background: #f0fdf4; color: #166534; }

  .result-dot { width: 6px; height: 6px; border-radius: 50%; }
  .risk .result-dot { background: #c0392b; }
  .partial .result-dot { background: #d97706; }
  .ok .result-dot { background: #166534; }

  .result-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.3rem; font-weight: 700;
    letter-spacing: -0.02em; margin-bottom: 0.8rem;
    color: var(--color-text-primary);
  }

  .result-desc {
    font-family: 'Barlow', sans-serif;
    font-size: 0.95rem; line-height: 1.8;
    color: var(--color-text-secondary); font-weight: 300;
    margin-bottom: 2rem;
  }

  .result-items {
    list-style: none; margin-bottom: 2rem;
  }

  .result-items li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--color-line);
    font-family: 'Barlow', sans-serif;
    font-size: 0.92rem; font-weight: 400;
    display: flex; gap: 0.8rem; align-items: flex-start;
    color: var(--color-text-primary);
  }

  .result-items li:last-child { border-bottom: none; }
  .ri-label { color: var(--color-accent-gold); flex-shrink: 0; font-weight: 600; }

  .form-row {
    display: flex; gap: 0.8rem; margin-bottom: 1rem;
  }

  .form-input {
    flex: 1; padding: 0.75rem 1rem;
    border: 1px solid var(--color-line-strong);
    font-family: 'Barlow', sans-serif;
    font-size: 0.95rem; font-weight: 300;
    background: white; color: var(--color-text-primary);
    outline: none;
    transition: border-color 0.2s;
  }

  .form-input:focus { border-color: var(--color-text-primary); }
  .form-input::placeholder { color: var(--color-text-secondary); }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    .hero { padding: 8rem 1.5rem 4rem; }
    .problema, .tool, .soluzione-inner { grid-template-columns: 1fr; }
    .problema-left, .tool-left { border-right: none; border-bottom: 1px solid var(--color-line); }
    .soluzione-left { border-right: none; border-bottom: 1px solid var(--color-line-on-dark); }
    .problema-left, .problema-right,
    .tool-left, .tool-right,
    .soluzione-left, .soluzione-right { padding: 3rem 1.5rem; }
    .benefici-header { padding: 2rem 1.5rem; }
    .benefici-grid { grid-template-columns: 1fr 1fr; }
    .benefit-card:nth-child(2) { border-right: none; }
    .benefit-card { border-right: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
    .benefit-card:nth-child(4) { border-right: none; }
    .benefit-card:nth-child(5) { border-right: none; border-bottom: none; }
    .cta-finale { padding: 5rem 1.5rem; }
    footer { padding: 2rem 1.5rem; flex-direction: column; gap: 1.5rem; }
    .footer-tags { flex-direction: column; gap: 0.8rem; }
  }

  @media (max-width: 600px) {
    .benefici-grid { grid-template-columns: 1fr; }
    .benefit-card { border-right: none !important; }
    .form-row { flex-direction: column; }
  }

  /* ── ANIMATIONS ── */
  .fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }