/* DroneBase — delta db-commander (famiglia framework blu).
   Caricato DOPO _framework.css (root class="db-landing"). Contiene SOLO i
   componenti/override specifici della pagina; il resto e' riusato dal framework.
   Le regole in fondo azzerano proprieta' del framework che gli override non
   ridefiniscono (evita 'leak'). Generato dall'estrazione Problema 2. */

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; padding: 0; font-family: Roboto, -apple-system, sans-serif; }
#db-commander { --dark: #070d14; --dark-mid: #0f1923; --dark-elev: #141f2c;
    --bg: #f7fafc; --white: #ffffff;
    --text: #1a2637; --text-secondary: #4a5a6b;
    --border: #dde6ee; --border-dark: rgba(255,255,255,0.08);
    --cyan: #0096DB; --cyan-hover: #0078b0;
    --cyan-pill-bg: rgba(0,150,219,0.15); --cyan-pill-text: #4DB8F0;
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
    --radius: 14px; --radius-sm: 8px; --radius-pill: 100px;
    font-family: Roboto, -apple-system, sans-serif; color: var(--text); }
.db-nav { position: sticky; top: 0; z-index: 10; background: rgba(7,13,20,0.98); border-bottom: 1px solid var(--border-dark); padding: 14px 32px; display: flex; align-items: center; justify-content: space-between; }
.hero-bg-overlay { position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(rgba(4,10,18,0.60) 0%, rgba(4,10,18,0.40) 40%, rgba(4,10,18,0.75) 80%, rgba(4,10,18,0.96) 100%); }
.hero-sub { font-size: clamp(1rem, 1.5vw, 1.2rem); color: rgba(255,255,255,0.75); max-width: 680px; margin: 0 auto 40px; line-height: 1.65; font-weight: 400; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); max-width: 900px; margin: 0 auto; background: rgba(0,0,0,0.28); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); overflow: hidden; }
.hero-stat-val { font-family: Roboto, sans-serif; font-size: 28px; font-weight: 900; color: #fff; letter-spacing: -1px; line-height: 1; }
.hero-stat-val sub { font-size: 13px; font-weight: 700; color: var(--cyan); letter-spacing: 0; vertical-align: baseline; margin-left: 2px; }
.modes-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 48px; }
.mode-card { background: var(--dark-elev); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 36px 32px; position: relative; overflow: hidden; transition: all .3s; }
.section-light .mode-card, .section-alt .mode-card { background: var(--white); border-color: var(--border); box-shadow: var(--shadow-sm); }
.mode-card:hover { transform: translateY(-4px); border-color: var(--cyan); }
.mode-num { position: absolute; top: 20px; right: 24px; font-family: Roboto, sans-serif; font-size: 64px; font-weight: 900; color: rgba(0,150,219,0.15); letter-spacing: -4px; line-height: 1; }
.mode-badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--cyan); margin-bottom: 14px; }
.mode-card h3 { font-family: Roboto, sans-serif; font-size: 24px; font-weight: 900; letter-spacing: -.6px; margin: 0 0 10px; }
.section-dark .mode-card h3, .section-darker .mode-card h3 { color: #fff; }
.section-light .mode-card h3, .section-alt .mode-card h3 { color: var(--text); }
.mode-card p { font-size: 14px; line-height: 1.6; margin: 0; }
.section-dark .mode-card p, .section-darker .mode-card p { color: rgba(255,255,255,0.7); }
.section-light .mode-card p, .section-alt .mode-card p { color: var(--text-secondary); }
.p-card-top { aspect-ratio: 4/3; background: var(--bg); display: flex; align-items: center; justify-content: center; }
.feature-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--dark-mid); min-height: 340px; display: flex; align-items: center; justify-content: center; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 56px; position: relative; }
.steps-grid.seven { grid-template-columns: repeat(4, 1fr); }
.steps-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 56px; }
.step-card { text-align: center; padding: 0 16px; position: relative; }
.step-num { width: 56px; height: 56px; border-radius: 50%; background: var(--cyan); color: #fff; font-family: Roboto, sans-serif; font-size: 22px; font-weight: 900; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; box-shadow: 0 4px 16px rgba(0,150,219,0.4); }
.step-card h3 { font-size: 15px; font-weight: 800; margin: 0 0 10px; }
.section-dark .step-card h3, .section-darker .step-card h3 { color: #fff; }
.section-light .step-card h3, .section-alt .step-card h3 { color: var(--text); }
.step-card p { font-size: 13px; line-height: 1.6; margin: 0; }
.section-dark .step-card p, .section-darker .step-card p { color: rgba(255,255,255,0.65); }
.section-light .step-card p, .section-alt .step-card p { color: var(--text-secondary); }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.sc-card { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow-sm); background: var(--dark-mid); }
.noleggio p { font-size: 14px; color: rgba(255,255,255,0.9); margin-bottom: 28px; max-width: 640px; margin-left: auto; margin-right: auto; }
.btn-white { background: #fff; color: var(--cyan) !important; padding: 16px 36px; border-radius: 8px; font-size: 15px; font-weight: 700; display: inline-block; transition: all .2s; margin: 0 6px 8px; }
.db-nav { -webkit-backdrop-filter: initial; backdrop-filter: initial; }
.p-card-top { overflow: initial; }
#db-commander { --text-tertiary: initial; }

@media(max-width:900px) {
  .modes-grid { grid-template-columns: 1fr; }
  .steps-wrap { grid-template-columns: repeat(2, 1fr); }
  .payload-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-grid { grid-template-columns: 1fr; }
}

@media(max-width:600px) {
  .payload-grid, .care-grid { grid-template-columns: 1fr; }
  .steps-wrap { grid-template-columns: 1fr; }
}