:root{
  --brand-900:#0b3c91; --brand-800:#114aad; --brand-700:#1e63ff; --brand-500:#4da3ff; --brand-100:#e9f2ff;
  --ink:#0b1220; --muted:#44505e; --surface:#ffffff; --radius:16px;
  --shadow:0 14px 34px rgba(11,60,145,.14), 0 2px 8px rgba(11,60,145,.08);
}
@media (prefers-color-scheme:dark){
  :root{--surface:#0f172a;--ink:#e5eef8;--muted:#9fb0c8;--brand-100:#0c1f40}
}
*{box-sizing:border-box}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;color:var(--ink)}
a{color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 22px}
.section{padding:86px 0;position:relative}

/* Hero */
.hero{padding:120px 0 84px;background-size:cover;background-position:center;border-bottom:1px solid #dfe8ff}
.hero .overlay{background:linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.72));padding:30px;border-radius:16px;display:inline-block}
.hero h1{font-size:clamp(30px,4.6vw,54px);margin:10px 0 8px}
.hero p{max-width:800px;color:var(--muted)}

/* Buttons */
.btn{display:inline-block;padding:12px 18px;border-radius:14px;text-decoration:none;font-weight:800;transition:transform .2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand-900),var(--brand-500));color:#fff;box-shadow:var(--shadow)}
.btn-ghost{border:1px solid var(--brand-900);color:var(--brand-900);background:transparent}

/* Cards & grids */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:900px){.grid-2{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid #dfe8ff;border-radius:16px;padding:22px;box-shadow:var(--shadow)}

/* News teaser */
.aata-news{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:10px}
@media (max-width:900px){.aata-news{grid-template-columns:1fr}}
.news-item{background:#f5f8ff;border:1px solid #dfe8ff;border-radius:14px;padding:14px}
.news-item .meta{font-size:12px;color:#0b3c91;margin:4px 0 6px}

/* Tabs */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 16px}
.tab-btn{border:1px solid #dfe8ff;background:#f5f8ff;color:#0b3c91;border-radius:999px;padding:10px 14px;font-weight:800;cursor:pointer;display:flex;align-items:center;gap:8px}
.tab-btn:hover{background:#e9f2ff}
.tab-btn.active{background:linear-gradient(135deg,var(--brand-800),var(--brand-500));border-color:transparent;color:#fff;box-shadow:var(--shadow)}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* FAQ details styling */
.section.faq details{border:1px solid #dfe8ff;background:#f5f8ff;border-radius:14px;margin:10px 0;padding:0;overflow:hidden}
.section.faq summary{list-style:none;cursor:pointer;font-weight:800;color:#0b3c91;padding:14px 16px;border-radius:14px;outline:none}
.section.faq summary::-webkit-details-marker{display:none}
.section.faq details[open] summary{background:#e9f2ff}
.section.faq details > *:not(summary){padding:0 16px 14px 16px;color:#44505e}

/* Badges */
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.badge{border:1px solid #dfe8ff;border-radius:999px;padding:6px 10px;font-weight:700;color:#0b3c91;background:#f5f8ff}
.kicker{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:#0b3c91;font-weight:900}

/* ==== Automatic responsive "steps" ==== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:12px;padding-left:8px;padding-right:8px}
@media (max-width:1100px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:700px){.steps{grid-template-columns:1fr;max-width:680px;margin-left:auto;margin-right:auto}}
.steps .step{background:#f5f8ff;border:1px solid #dfe8ff;border-radius:16px;padding:16px;display:flex;gap:10px;align-items:flex-start}
.steps .step .ico{font-size:22px;line-height:1}
.steps .step .txt{flex:1;min-width:0;word-wrap:break-word}

/* Steps list (complaint card) */
.steps-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;list-style:none;margin:10px 0 6px;padding:0}
@media (max-width:700px){.steps-list{grid-template-columns:1fr}}
.steps-list li{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border:1px solid #dfe8ff;background:#f5f8ff;border-radius:14px}
.steps-list .ico{font-size:20px;line-height:1;flex:0 0 22px;text-align:center;margin-top:2px}
.steps-list .txt{flex:1;min-width:0}

/* Form */
.aata-form{background:var(--surface);border:1px solid #dfe8ff;border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.aata-form .grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:700px){.aata-form .grid{grid-template-columns:1fr}}
.aata-form input,.aata-form textarea,.aata-form select{padding:12px;border:1px solid #cfe0ff;border-radius:12px}
.aata-form .hint{margin:8px 0 14px;color:var(--muted)}
.aata-alert{padding:12px;border-radius:12px;margin-bottom:12px}
.aata-alert.success{background:#ecfdf5;border:1px solid #10b98133}
.aata-alert.error{background:#fef2f2;border:1px solid #ef444433}

footer{padding:30px 0;border-top:1px solid #dfe8ff;color:var(--muted);margin-top:20px}