/* Вариант главной «Default4» — bento / яркий контраст (удалите файл и Default4.aspx*, если не нужен) */
.landing-v4 {
    --lv4-bg: #faf5ff;
    --lv4-dark: #1e1b4b;
    --lv4-coral: #f97316;
    --lv4-violet: #7c3aed;
    --lv4-card: #ffffff;
    margin: -2rem -2rem 0;
    padding: 0 0 4rem;
    background: var(--lv4-bg);
    color: var(--lv4-dark);
}

.lv4-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 2rem 0;
}

.lv4-hero-bento {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    grid-template-rows: auto auto;
    gap: 1rem;
    min-height: calc(100vh - 5.5rem);
    align-content: start;
    padding-bottom: 2rem;
}

@media (max-width: 900px) {
    .lv4-hero-bento {
        grid-template-columns: 1fr;
        min-height: auto;
    }
}

.lv4-hero-main {
    grid-row: span 2;
    padding: 2rem 2rem 2.25rem;
    border-radius: 28px;
    background: linear-gradient(145deg, #1e1b4b 0%, #312e81 48%, #4c1d95 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.lv4-hero-main::after {
    content: "";
    position: absolute;
    right: -20%;
    top: -30%;
    width: 70%;
    height: 100%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.35), transparent 65%);
    pointer-events: none;
}

.lv4-hero-main > * {
    position: relative;
    z-index: 1;
}

.lv4-hero-main h1 {
    font-size: clamp(2rem, 4vw, 3.1rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin: 0 0 1rem;
}

.lv4-hero-main h1 span {
    background: linear-gradient(90deg, #fb923c, #fbbf24);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.lv4-hero-main p {
    font-size: 1.05rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.82);
    max-width: 28rem;
    margin: 0 0 1.75rem;
}

.lv4-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.lv4-btn-hot {
    display: inline-flex;
    align-items: center;
    padding: 0.95rem 1.65rem;
    border-radius: 14px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff !important;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 16px 40px -14px rgba(234, 88, 12, 0.75);
    transition: transform 0.2s;
}

.lv4-btn-hot:hover {
    transform: scale(1.03);
}

.lv4-btn-dark {
    display: inline-flex;
    align-items: center;
    padding: 0.95rem 1.4rem;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff !important;
    font-weight: 700;
    text-decoration: none;
}

.lv4-tile {
    border-radius: 24px;
    padding: 1.35rem 1.5rem;
    background: var(--lv4-card);
    border: 1px solid rgba(124, 58, 237, 0.12);
    box-shadow: 0 20px 50px -38px rgba(76, 29, 149, 0.45);
}

.lv4-tile-accent {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: none;
}

.lv4-tile-accent strong {
    display: block;
    font-size: 1.85rem;
    font-weight: 900;
    color: var(--lv4-dark);
    margin-bottom: 0.25rem;
}

.lv4-tile-accent span {
    font-size: 0.85rem;
    font-weight: 600;
    color: #78350f;
}

.lv4-tile-img {
    padding: 0.75rem;
}

.lv4-tile-img img {
    width: 100%;
    border-radius: 16px;
    display: block;
}

.lv4-section {
    padding: 2.5rem 0 0;
}

.lv4-section-top {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.lv4-section-top h2 {
    font-size: clamp(1.65rem, 2.8vw, 2.15rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    margin: 0;
}

.lv4-section-top p {
    margin: 0;
    max-width: 28rem;
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.55;
}

.lv4-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
}

@media (max-width: 1000px) {
    .lv4-feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 520px) {
    .lv4-feature-grid {
        grid-template-columns: 1fr;
    }
}

.lv4-fcard {
    padding: 1.35rem;
    border-radius: 20px;
    background: #fff;
    border: 1px solid rgba(124, 58, 237, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.lv4-fcard:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px -28px rgba(124, 58, 237, 0.35);
}

.lv4-fcard i {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ede9fe, #ddd6fe);
    color: var(--lv4-violet);
    margin-bottom: 0.85rem;
}

.lv4-fcard h3 {
    margin: 0 0 0.4rem;
    font-size: 1rem;
    font-weight: 800;
}

.lv4-fcard p {
    margin: 0;
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.45;
}

.lv4-modules {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (max-width: 768px) {
    .lv4-modules {
        grid-template-columns: 1fr;
    }
}

.lv4-mod {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 1.25rem;
    padding: 1.25rem;
    border-radius: 22px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    align-items: center;
}

@media (max-width: 520px) {
    .lv4-mod {
        grid-template-columns: 1fr;
    }
}

.lv4-mod img {
    width: 100%;
    border-radius: 14px;
}

.lv4-mod h3 {
    margin: 0 0 0.35rem;
    font-size: 1.05rem;
    font-weight: 800;
}

.lv4-mod p {
    margin: 0;
    font-size: 0.88rem;
    color: #64748b;
    line-height: 1.5;
}

.lv4-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: center;
    margin-top: 2rem;
    padding: 2rem;
    border-radius: 28px;
    background: linear-gradient(120deg, #fff 0%, #f5f3ff 100%);
    border: 1px solid rgba(124, 58, 237, 0.15);
}

@media (max-width: 800px) {
    .lv4-split {
        grid-template-columns: 1fr;
    }
}

.lv4-split p {
    margin: 0 0 1rem;
    color: #475569;
    line-height: 1.65;
}

.lv4-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.lv4-chips span {
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    background: #fff;
    border: 2px solid #e9d5ff;
    color: var(--lv4-violet);
}

.lv4-split img {
    width: 100%;
    border-radius: 18px;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.lv4-audience {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 768px) {
    .lv4-audience {
        grid-template-columns: 1fr;
    }
}

.lv4-persona {
    padding: 1.35rem;
    border-radius: 20px;
    background: var(--lv4-dark);
    color: #e2e8f0;
}

.lv4-persona h3 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    font-weight: 800;
    color: #fde68a;
}

.lv4-persona p {
    margin: 0;
    font-size: 0.88rem;
    color: #94a3b8;
    line-height: 1.5;
}

.lv4-note {
    text-align: center;
    font-size: 0.78rem;
    color: #64748b;
    padding: 1.5rem 1rem 0;
}

.lv4-note a {
    color: var(--lv4-violet);
    font-weight: 700;
}