html{scroll-behavior:smooth}

.ath-wrap{max-width:1180px;margin:0 auto;padding:18px 14px 8px;color:#0f172a}
.ath-empty,.ath-card,.ath-hero,.ath-modal__dialog{background:#fff;border:1px solid rgba(10,49,97,.09);border-radius:28px;box-shadow:0 18px 42px rgba(15,23,42,.08)}
.ath-card,.ath-hero{padding:24px}
.ath-card--soft{background:linear-gradient(180deg,#fff,#f8fbff)}
.ath-card--hero,.ath-hero--competition{background:linear-gradient(135deg,#0a3161 0%,#123e79 52%,#b31942 135%);color:#fff;border:none;box-shadow:0 24px 58px rgba(10,49,97,.28)}
.ath-hero__top{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.ath-pill{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:6px 14px;border-radius:999px;background:#fff;color:#0a3161;font-weight:800;font-size:.92rem}
.ath-pill-soft{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.18)}
.ath-title,.ath-section-title{margin:0 0 10px;font-size:clamp(1.55rem,2.5vw,2.35rem);line-height:1.2}
.ath-lead{margin:0;max-width:62ch;font-size:1.02rem;line-height:1.85;color:rgba(255,255,255,.92)}
.ath-lead--small{color:inherit;opacity:.92}
.ath-found-notice{display:grid;gap:8px;margin:16px 0 14px;padding:16px 18px;border-radius:20px;background:linear-gradient(180deg,#fff1f2 0%,#ffe4e6 100%);border:1px solid #fecdd3;box-shadow:0 12px 28px rgba(185,28,28,.10)}
.ath-found-notice strong{font-size:1.12rem;color:#b91c1c;font-weight:900}
.ath-found-notice span{color:#7f1d1d;line-height:1.9;font-weight:700}
.ath-meta-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.ath-meta-chip{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);padding:10px 14px;border-radius:16px;font-size:.95rem}
.ath-riddle{margin-top:18px;padding:18px;border-radius:22px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14)}
.ath-riddle h3{margin:0 0 8px;font-size:1.08rem}
.ath-riddle p{margin:0;line-height:1.9}
.ath-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.ath-actions--hero{margin-top:20px}
.ath-btn{appearance:none;border:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:16px;background:#b31942;color:#fff;font-weight:800;text-decoration:none;cursor:pointer;transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease;box-shadow:0 14px 28px rgba(179,25,66,.24)}
.ath-btn:hover,.ath-btn:focus-visible{transform:translateY(-2px);color:#fff}
.ath-btn-secondary{background:#fff;color:#0a3161;box-shadow:0 12px 26px rgba(10,49,97,.18)}
.ath-btn-light{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);box-shadow:none}
.ath-btn-outline{background:transparent;border:1px solid rgba(255,255,255,.28);box-shadow:none}
.ath-btn-block{width:100%}
.ath-grid{display:grid;gap:16px;margin-top:18px}
.ath-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.ath-grid--form{grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr)}
.ath-step-list,.ath-icon-list{margin:0;padding-right:1.15rem;line-height:1.95}
.ath-icon-list--tight li,.ath-step-list li{margin-bottom:8px}
.ath-progress-list{display:grid;gap:10px;margin-top:8px}
.ath-progress-item{padding:12px 14px;border-radius:14px;background:#eef4fb;color:#375170;font-weight:700}
.ath-progress-item.is-done{background:rgba(11,125,88,.12);color:#0b7d58}
.ath-mini-note{margin:12px 0 0;color:#475569;line-height:1.8}
.ath-rules-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}
.ath-rules-content p,.ath-rules-content ul,.ath-rules-content ol{line-height:1.95}
.ath-consent-note{margin-top:18px;padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);line-height:1.9}
.ath-form{display:grid;gap:14px}
.ath-form--pro label{display:grid;gap:8px;font-weight:700;color:#fff;text-shadow:0 1px 1px rgba(0,0,0,.14)}
.ath-card--hero .ath-form--pro label{color:#fff!important}
.ath-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.ath-form input[type=text],.ath-form input[type=email]{min-height:50px;border:1px solid rgba(10,49,97,.13);border-radius:16px;padding:0 14px;background:#f8fbff;font:inherit}
.ath-check{display:flex!important;align-items:flex-start;gap:10px;padding:14px 16px;border-radius:16px;background:#f8fbff;border:1px solid rgba(10,49,97,.08);font-weight:700;line-height:1.9;color:#0f172a!important;text-shadow:none!important;box-shadow:0 10px 22px rgba(10,49,97,.08)}
.ath-card--hero .ath-form--pro label.ath-check,.ath-card--hero .ath-form--pro label.ath-check *, .ath-form--pro .ath-check, .ath-form--pro .ath-check *{color:#0f172a!important;text-shadow:none!important;opacity:1!important}
.ath-check input{margin-top:5px;accent-color:#0a3161;flex:0 0 auto}
.ath-check a{color:#0a3161!important;font-weight:800}
.ath-side-summary{display:grid;gap:8px;margin-top:16px;padding:14px 16px;border-radius:18px;background:#f8fbff;border:1px solid rgba(10,49,97,.08)}
.ath-sponsors{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.ath-sponsor{padding:18px;border-radius:22px;background:#fff;border:1px solid rgba(10,49,97,.08);box-shadow:0 12px 26px rgba(15,23,42,.05);display:grid;gap:10px}
.ath-sponsor-logo img{max-width:100%;height:72px;object-fit:contain}
.ath-sponsor-name{font-weight:800;color:#0a3161}
.ath-sponsor a{font-weight:800;text-decoration:none}
.ath-socials{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;padding:0 6px}
.ath-socials a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid rgba(10,49,97,.08);font-weight:700;text-decoration:none}
.ath-warning,.ath-success{max-width:1180px;margin:0 auto 16px;padding:18px 20px}
.ath-warning{background:#fff8e8;border-color:rgba(191,124,19,.18)}
.ath-success{background:#eefbf4;border-color:rgba(11,125,88,.18)}
.ath-hints-cards{display:grid;gap:12px}
.ath-hint-card{display:grid;grid-template-columns:54px 1fr;gap:14px;padding:16px;border-radius:20px;background:#f8fbff;border:1px solid rgba(10,49,97,.08)}
.ath-hint-card__count{display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:18px;background:#0a3161;color:#fff;font-weight:800;font-size:1.1rem}
.ath-hint-card__content h4{margin:0 0 6px;color:#0a3161}
.ath-hint-card__content p{margin:0;line-height:1.9}
.ath-modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;padding:18px;z-index:99999}
.ath-modal.is-open{display:flex}
.ath-modal__backdrop{position:absolute;inset:0;background:rgba(15,23,42,.58);backdrop-filter:blur(4px)}
.ath-modal__dialog{position:relative;z-index:1;max-width:840px;width:100%;max-height:min(88vh,860px);overflow:auto;padding:22px;background:#fff}
.ath-modal__header{padding-left:40px}
.ath-modal__header h3{margin:10px 0 6px;color:#0a3161;font-size:1.45rem}
.ath-modal__header p{margin:0;color:#475569;line-height:1.8}
.ath-modal__body{margin-top:18px}
.ath-modal__close{position:absolute;top:14px;left:14px;width:42px;height:42px;border:none;border-radius:14px;background:#eff6ff;color:#0a3161;font-size:1.7rem;cursor:pointer}
body.ath-modal-open{overflow:hidden}
.ath-promo{width:100%}
.ath-promo-inner{display:grid;gap:8px;text-decoration:none;border-radius:22px;overflow:hidden;position:relative;background:linear-gradient(135deg,#0a3161 0%,#123e79 52%,#b31942 130%);color:#fff;border:1px solid rgba(10,49,97,.08);box-shadow:0 18px 36px rgba(10,49,97,.22)}
.ath-promo-inner:hover{color:#fff}
.ath-promo-inner h3{margin:0;font-size:1.18rem;line-height:1.35}
.ath-promo-inner p{margin:0;line-height:1.7;color:rgba(255,255,255,.92)}
.ath-promo-cta{display:inline-flex;align-items:center;gap:8px;font-weight:800}
.ath-promo-cta::after{content:"←";font-size:1rem}
.ath-promo-hero .ath-promo-inner,.ath-promo-sidebar .ath-promo-inner,.ath-promo-rail .ath-promo-inner{padding:18px 18px 16px}
.ath-promo-header .ath-promo-inner{padding:10px 14px;border-radius:18px;min-width:260px;box-shadow:0 14px 28px rgba(10,49,97,.18)}
.ath-promo-header .ath-promo-inner h3{font-size:1rem}
.ath-promo-header .ath-promo-inner p{font-size:.88rem;line-height:1.55}
.ath-promo-header .ath-promo-cta{font-size:.9rem}
.ath-promo-inline .ath-promo-inner{padding:16px 18px}
@media (max-width:900px){.ath-grid--3,.ath-rules-layout,.ath-grid--form,.ath-form-grid{grid-template-columns:1fr}.ath-modal__dialog{padding:18px}.ath-card,.ath-hero{padding:20px}.ath-promo-header .ath-promo-inner{min-width:0}}
@media (max-width:640px){.ath-wrap{padding:10px 6px 4px}.ath-title,.ath-section-title{font-size:1.5rem}.ath-btn{width:100%}.ath-actions{flex-direction:column}.ath-hint-card{grid-template-columns:1fr}.ath-hint-card__count{width:48px;height:48px}.ath-found-notice{padding:14px 16px}.ath-found-notice strong,.ath-found-notice span{text-align:right}}