/* NeuroSport — тёмная тема поверх Bootstrap 5 (mobile-first) */

:root {
    --ns-bg: #0b0f14;
    --ns-surface: #121922;
    --ns-surface-2: #17202b;
    --ns-border: #243140;
    --ns-accent: #19e3a1;
    --ns-accent-dark: #12b982;
}

[data-bs-theme="dark"] {
    --bs-body-bg: var(--ns-bg);
    --bs-body-color: #dbe3ec;
    --bs-border-color: var(--ns-border);
    --bs-link-color: var(--ns-accent);
    --bs-link-hover-color: #5df0c2;
}

[x-cloak] { display: none !important; }

body { background: var(--ns-bg); }
.text-accent { color: var(--ns-accent) !important; }

/* Кнопки */
.btn-accent {
    --bs-btn-color: #04120d;
    --bs-btn-bg: var(--ns-accent);
    --bs-btn-border-color: var(--ns-accent);
    --bs-btn-hover-color: #04120d;
    --bs-btn-hover-bg: #5df0c2;
    --bs-btn-hover-border-color: #5df0c2;
    --bs-btn-active-color: #04120d;
    --bs-btn-active-bg: var(--ns-accent-dark);
    --bs-btn-active-border-color: var(--ns-accent-dark);
    font-weight: 600;
}
.btn-outline-accent {
    --bs-btn-color: var(--ns-accent);
    --bs-btn-border-color: var(--ns-accent);
    --bs-btn-hover-color: #04120d;
    --bs-btn-hover-bg: var(--ns-accent);
    --bs-btn-hover-border-color: var(--ns-accent);
    --bs-btn-active-color: #04120d;
    --bs-btn-active-bg: var(--ns-accent-dark);
    --bs-btn-active-border-color: var(--ns-accent-dark);
}

/* Шапка */
.site-header {
    background: rgba(11, 15, 20, .92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--ns-border);
}
.brand-name { font-weight: 800; font-size: 1.25rem; letter-spacing: .3px; color: #fff; }
.brand-name::first-letter { color: var(--ns-accent); }

/* Логотип: скруглённая плитка с тонкой рамкой и мягким свечением */
.brand-logo {
    width: 100px; height: 100px; min-width: 56px; min-height: 56px;
    object-fit: cover; border-radius: 14px;
    border: 1px solid rgba(25, 227, 161, .35);
    box-shadow: 0 0 0 3px rgba(25, 227, 161, .06), 0 4px 18px rgba(25, 227, 161, .18);
    transition: box-shadow .25s ease, transform .25s ease;
}
.navbar-brand:hover .brand-logo {
    box-shadow: 0 0 0 3px rgba(25, 227, 161, .12), 0 6px 24px rgba(25, 227, 161, .35);
    transform: translateY(-1px);
}
.site-footer .brand-logo { width: 88px; height: 88px; min-width: 88px; min-height: 88px; border-radius: 20px; }

.site-header .navbar { padding-top: .6rem; padding-bottom: .6rem; }
.site-header .navbar-brand { margin-right: 1.5rem; padding: 0; gap: .75rem !important; }

/* Меню */
.site-header .navbar-nav { gap: .25rem; }
.site-header .nav-link {
    position: relative;
    padding: .5rem .85rem;
    font-size: 1rem; font-weight: 500;
    color: #b7c3d1;
    transition: color .2s ease;
}
.site-header .nav-link::after {
    content: ""; position: absolute; left: .85rem; right: .85rem; bottom: .15rem;
    height: 2px; border-radius: 2px;
    background: var(--ns-accent);
    transform: scaleX(0); transform-origin: left center;
    transition: transform .25s ease;
}
.site-header .nav-link:hover,
.navbar .nav-link.active { color: #fff; }
.site-header .nav-link:hover::after,
.navbar .nav-link.active::after { transform: scaleX(1); }
.navbar .nav-link.active { color: var(--ns-accent); }

/* Кнопка входа / кабинета */
.site-header .btn-outline-light,
.site-header .btn-accent {
    padding: .5rem 1.25rem; font-size: .95rem; font-weight: 600; border-radius: 999px;
}
.site-header .btn-outline-light {
    color: var(--ns-accent); border-color: var(--ns-accent); background: rgba(25, 227, 161, .06);
}
.site-header .btn-outline-light:hover {
    color: #04120d; background: var(--ns-accent); border-color: var(--ns-accent);
    box-shadow: 0 0 18px rgba(25, 227, 161, .4);
}
.site-header .navbar-toggler { border-color: var(--ns-border); padding: .4rem .6rem; }
.site-header .navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(25, 227, 161, .25); }
@media (max-width: 991.98px) {
    .site-header .navbar-collapse { padding: .75rem 0 .5rem; }
    .site-header .nav-link::after { display: none; }
    .site-header .navbar-collapse .d-flex { margin-top: .5rem; }
}
@media (max-width: 575.98px) {
    .site-header .navbar { padding-top: .4rem; padding-bottom: .4rem; }
    .site-header .brand-logo {
        width: 48px; height: 48px; min-width: 48px; min-height: 48px; border-radius: 12px;
    }
    .site-header .navbar-brand { gap: .6rem !important; margin-right: .5rem; }
    .site-header .brand-name { font-size: 1.1rem; }
    .hero .btn { width: 100%; }
}
/* Мобильные и планшеты: баннер сверху отдельным блоком, текст под ним на тёмном фоне */
@media (max-width: 991.98px) {
    section.hero { display: block !important; min-height: 0; background: var(--ns-bg); }
    .hero picture { display: block; position: relative; aspect-ratio: 16 / 9; }
    .hero picture::after {
        content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 45%;
        background: linear-gradient(180deg, rgba(11,15,20,0) 0%, var(--ns-bg) 100%);
        pointer-events: none;
    }
    .hero .hero-img { position: static; width: 100%; height: 100%; object-position: center; display: block; }
    .hero .hero-overlay { display: none; }
    .hero .container { margin-top: -1.5rem; padding-top: 0 !important; }
}

/* Hero */
.hero { min-height: 70vh; overflow: hidden; background: #05080c; }
.hero-img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover; object-position: 25% center;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(11,15,20,.35) 0%, rgba(11,15,20,.55) 60%, var(--ns-bg) 100%);
}
@media (min-width: 992px) {
    .hero-overlay {
        background:
            linear-gradient(90deg, rgba(11,15,20,0) 0%, rgba(11,15,20,0) 35%, rgba(11,15,20,.75) 65%),
            linear-gradient(180deg, rgba(11,15,20,0) 70%, var(--ns-bg) 100%);
    }
}
.hero-kicker {
    color: var(--ns-accent);
    font-size: .8rem; font-weight: 600;
    letter-spacing: .12em; text-transform: uppercase;
}
.hero h1 { font-size: clamp(2rem, 7vw, 3.5rem); line-height: 1.1; }

/* Цифры */
.stats-strip { background: var(--ns-surface); border-block: 1px solid var(--ns-border); }
.stat-value { font-size: clamp(1.3rem, 4vw, 1.9rem); font-weight: 700; color: var(--ns-accent); }
.stat-label { font-size: .85rem; color: #8b9bb0; }

/* Секции */
.section { padding-block: 2.5rem; }
.section-title { font-size: clamp(1.5rem, 4.5vw, 2.1rem); font-weight: 700; margin-bottom: 1rem; }
.section-lead { color: #a9b6c6; max-width: 56rem; margin-bottom: 1.75rem; }

/* Карточки */
.card-dark {
    background: var(--ns-surface);
    border: 1px solid var(--ns-border);
    border-radius: 14px;
    transition: transform .2s, border-color .2s;
}
.card-dark:hover { border-color: var(--ns-accent); transform: translateY(-2px); }
.card-icon { font-size: 2rem; margin-bottom: .5rem; }
.card-glow { background: linear-gradient(135deg, var(--ns-surface), var(--ns-surface-2)); }
.card-popular { border-color: var(--ns-accent); box-shadow: 0 0 0 1px var(--ns-accent) inset; }
.badge-accent { background: var(--ns-accent); color: #04120d; }

/* Шаги */
.step {
    background: var(--ns-surface);
    border: 1px solid var(--ns-border);
    border-radius: 14px;
    padding: 1.25rem;
}
.step-num {
    width: 2.25rem; height: 2.25rem;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--ns-accent); color: #04120d;
    font-weight: 700; margin-bottom: .75rem;
}

/* Теги технологий */
.tech-tag {
    padding: .35rem .8rem;
    border: 1px solid var(--ns-border);
    border-radius: 999px;
    background: var(--ns-bg);
    font-size: .85rem; color: var(--ns-accent);
}

/* Тарифы */
.plan-price { font-size: 2rem; font-weight: 700; color: #fff; min-height: 2.6rem; }
.plan-list { list-style: none; padding: 0; margin: 0; }
.plan-list li { padding: .3rem 0 .3rem 1.5rem; position: relative; color: #a9b6c6; }
.plan-list li::before { content: "✓"; position: absolute; left: 0; color: var(--ns-accent); font-weight: 700; }

/* CTA */
.cta-strip {
    padding: 1.75rem;
    border-radius: 16px;
    border: 1px solid var(--ns-accent);
    background: linear-gradient(135deg, rgba(25,227,161,.12), rgba(25,227,161,.02));
}

/* FAQ */
.accordion {
    --bs-accordion-bg: var(--ns-surface);
    --bs-accordion-border-color: var(--ns-border);
    --bs-accordion-btn-bg: var(--ns-surface);
    --bs-accordion-active-bg: var(--ns-surface-2);
    --bs-accordion-active-color: var(--ns-accent);
}
.accordion-button:focus { box-shadow: 0 0 0 .2rem rgba(25,227,161,.25); }

/* Футер */
.site-footer { background: var(--ns-surface); border-top: 1px solid var(--ns-border); }
.footer-title { color: #fff; font-weight: 600; }
.footer-links li { margin-bottom: .4rem; }
.footer-links a { color: #8b9bb0; text-decoration: none; }
.footer-links a:hover { color: var(--ns-accent); }

@media (min-width: 992px) {
    .hero { min-height: 60vh; }
    .section { padding-block: 3.5rem; }
}