/*
ATI-COM NEXT - Guida container - Sprint 1
Classi con prefisso ati- per evitare conflitti con il CSS esistente.
*/

.ati-guide-page {
  --ati-ink:#12202d; --ati-ink-soft:#42515e; --ati-muted:#6c7984;
  --ati-blue:#0d587d; --ati-blue-dark:#073d59; --ati-blue-soft:#eaf3f7;
  --ati-line:#dce4e9; --ati-surface:#f5f7f8; --ati-white:#fff; --ati-accent:#c99542;
  margin:0; color:var(--ati-ink); background:var(--ati-white);
  font-family:Inter,"Segoe UI",Roboto,Arial,sans-serif; line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
.ati-guide-page *, .ati-guide-page *::before, .ati-guide-page *::after{box-sizing:border-box}
.ati-guide-page a{color:inherit}
.ati-container{width:min(1180px,calc(100% - 48px));margin-inline:auto}
.ati-narrow{max-width:820px}
.ati-skip-link{position:absolute;left:16px;top:-80px;z-index:999;padding:10px 16px;background:var(--ati-ink);color:#fff;text-decoration:none}
.ati-skip-link:focus{top:16px}

/* HEADER */
.ati-site-header{background:rgba(255,255,255,.97);border-bottom:1px solid rgba(18,32,45,.08)}
.ati-header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.ati-brand{display:inline-flex;flex-direction:column;text-decoration:none;line-height:1.05}
.ati-brand-mark{font-size:1.35rem;font-weight:800;letter-spacing:.08em}
.ati-brand-sub{margin-top:4px;color:var(--ati-muted);font-size:.62rem;letter-spacing:.13em;text-transform:uppercase}
.ati-main-nav{display:flex;align-items:center;gap:28px}
.ati-main-nav a{position:relative;padding:8px 0;color:var(--ati-ink-soft);font-size:.9rem;text-decoration:none}
.ati-main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--ati-blue);transform:scaleX(0);transition:transform .2s ease}
.ati-main-nav a:hover::after,.ati-main-nav a.is-active::after{transform:scaleX(1)}

/* SHARED */
.ati-eyebrow{margin:0 0 14px;color:var(--ati-blue);font-size:.72rem;font-weight:800;letter-spacing:.16em;line-height:1.3;text-transform:uppercase}
.ati-section{padding:108px 0}
.ati-section h2{margin:0 0 24px;font-size:clamp(2rem,4vw,3.25rem);line-height:1.12;letter-spacing:-.035em}
.ati-section p{color:var(--ati-ink-soft)}
.ati-lead{margin-top:-10px;color:var(--ati-blue)!important;font-size:1.2rem;font-weight:600}

/* BUTTONS */
.ati-btn{display:inline-flex;min-height:50px;align-items:center;justify-content:center;padding:12px 22px;border:1px solid transparent;border-radius:4px;font-size:.9rem;font-weight:700;text-align:center;text-decoration:none;transition:.2s ease}
.ati-btn:hover{transform:translateY(-2px)}
.ati-btn-primary{background:var(--ati-blue);color:#fff!important;box-shadow:0 10px 28px rgba(13,88,125,.18)}
.ati-btn-primary:hover{background:var(--ati-blue-dark)}
.ati-btn-ghost{border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.06);color:#fff!important}
.ati-btn-ghost:hover{background:rgba(255,255,255,.14)}
.ati-btn-light{background:#fff;color:var(--ati-blue)!important}

/* HERO */
.ati-hero{position:relative;min-height:680px;display:flex;align-items:center;overflow:hidden;background:var(--ati-ink)}
.ati-hero-media{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,24,35,.92),rgba(7,24,35,.72) 44%,rgba(7,24,35,.28)),url("../img/container-hero.jpg") center/cover no-repeat}
.ati-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:9px;background:linear-gradient(90deg,var(--ati-blue) 65%,var(--ati-accent) 65%)}
.ati-hero-content{position:relative;padding:54px 0 72px}
.ati-hero .ati-eyebrow{color:rgba(255,255,255,.72)}
.ati-hero h1{max-width:850px;margin:0;color:#fff;font-size:clamp(2.7rem,6vw,5.4rem);line-height:.98;letter-spacing:-.055em}
.ati-hero h1 span{display:block;color:rgba(255,255,255,.76)}
.ati-hero-claim{max-width:760px;margin:32px 0 0;color:#fff!important;font-size:clamp(1.3rem,2.2vw,1.75rem);line-height:1.35}
.ati-hero-claim strong{display:block}
.ati-hero-text{max-width:700px;margin:22px 0 0;color:rgba(255,255,255,.76)!important;font-size:1.05rem}
.ati-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

/* QUESTIONS */
.ati-section-questions{background:var(--ati-surface)}
.ati-section-heading{max-width:800px;margin-bottom:48px}
.ati-section-heading>p:last-child{margin-bottom:0;font-size:1.05rem}
.ati-question-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ati-question-card{position:relative;min-height:290px;padding:30px;background:#fff;border:1px solid var(--ati-line);border-radius:6px;transition:.2s ease}
.ati-question-card:hover{transform:translateY(-4px);border-color:rgba(13,88,125,.22);box-shadow:0 18px 40px rgba(18,32,45,.08)}
.ati-question-number{position:absolute;top:24px;right:26px;color:#b9c5cc;font-size:.75rem;font-weight:800;letter-spacing:.1em}
.ati-question-icon{width:48px;height:48px;display:grid;place-items:center;margin-bottom:28px;border-radius:50%;background:var(--ati-blue-soft);color:var(--ati-blue);font-size:1.25rem;font-weight:700}
.ati-question-card h3{margin:0 0 12px;font-size:1.25rem;line-height:1.2}
.ati-question-card p{margin:0;font-size:.95rem}
.ati-callout{display:flex;gap:18px;margin-top:42px;padding:24px 28px;border-left:4px solid var(--ati-blue);background:#fff}
.ati-callout-symbol{flex:0 0 34px;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--ati-blue);color:#fff;font-weight:800}
.ati-callout strong{display:block;margin-bottom:4px}
.ati-callout p{margin:0}

/* PRINCIPLE */
.ati-principle-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:72px;align-items:center}
.ati-principle-copy>p{max-width:760px}
.ati-quote{position:relative;margin-top:38px;padding:28px 32px 28px 54px;border-top:1px solid var(--ati-line);border-bottom:1px solid var(--ati-line)}
.ati-quote-mark{position:absolute;left:4px;top:19px;color:var(--ati-accent);font-family:Georgia,serif;font-size:4rem;line-height:1}
.ati-quote p{margin:0;color:var(--ati-ink);font-size:1.15rem;font-weight:600}
.ati-principle-panel{padding:42px;background:var(--ati-ink);color:#fff;box-shadow:0 24px 60px rgba(18,32,45,.14)}
.ati-panel-kicker{display:block;margin-bottom:18px;color:rgba(255,255,255,.58);font-size:.7rem;font-weight:800;letter-spacing:.15em}
.ati-principle-panel h3{margin:0;font-size:2rem;line-height:1.12}
.ati-principle-panel p{margin:12px 0 28px;color:rgba(255,255,255,.75);font-size:1.1rem}
.ati-text-link{display:inline-flex;gap:10px;color:#fff;font-weight:700;text-decoration:none}

/* TYPES PREVIEW */
.ati-section-next{background:var(--ati-surface)}
.ati-section-heading-center{margin-inline:auto;text-align:center}
.ati-type-preview{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ati-type-preview article{padding:28px;background:#fff;border:1px solid var(--ati-line)}
.ati-type-preview span{display:inline-block;margin-bottom:24px;color:var(--ati-blue);font-size:.78rem;font-weight:800;letter-spacing:.08em}
.ati-type-preview h3{margin:0 0 8px;font-size:1.25rem}
.ati-type-preview p{margin:0;font-size:.9rem}

/* CTA + FOOTER */
.ati-cta{background:var(--ati-blue)}
.ati-cta-inner{min-height:310px;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:64px 0}
.ati-cta .ati-eyebrow{color:rgba(255,255,255,.58)}
.ati-cta h2{max-width:700px;margin:0 0 12px;color:#fff;font-size:clamp(2rem,4vw,3rem);line-height:1.08}
.ati-cta p{max-width:650px;margin:0;color:rgba(255,255,255,.76)}
.ati-site-footer{background:#0b1822;color:#fff}
.ati-footer-inner{min-height:120px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.ati-footer-inner>div{display:flex;flex-direction:column;line-height:1.2}
.ati-footer-inner strong{letter-spacing:.08em}
.ati-footer-inner span,.ati-footer-inner p{color:rgba(255,255,255,.55);font-size:.8rem}
.ati-footer-inner p{margin:0}

/* RESPONSIVE */
@media (max-width:980px){
  .ati-question-grid{grid-template-columns:repeat(2,1fr)}
  .ati-type-preview{grid-template-columns:repeat(2,1fr)}
  .ati-principle-grid{grid-template-columns:1fr;gap:42px}
}
@media (max-width:760px){
  .ati-container{width:min(100% - 32px,680px)}
  .ati-main-nav{display:none}
  .ati-hero{min-height:650px}
  .ati-hero-media{background:linear-gradient(90deg,rgba(7,24,35,.91),rgba(7,24,35,.67)),url("../img/container-hero.jpg") center/cover no-repeat}
  .ati-section{padding:78px 0}
  .ati-question-grid,.ati-type-preview{grid-template-columns:1fr}
  .ati-question-card{min-height:auto}
  .ati-cta-inner,.ati-footer-inner{flex-direction:column;align-items:flex-start}
  .ati-footer-inner{justify-content:center;padding:30px 0}
}
@media (prefers-reduced-motion:reduce){
  .ati-btn,.ati-question-card,.ati-main-nav a::after{transition:none}
}