/* ==========================================================================
   SITE PUBLIC STYLES: Clean corporate palette (Max 3 colors: Navy, Slate, Teal)
   Strict zero-emoji, clean typography, neutral corporate enterprise look
   ========================================================================== */

:root {
    --site-navy: #0f172a;       /* Primary dark text */
    --site-slate: #475569;      /* Neutral secondary text */
    --site-light: #ffffff;      /* Background white */
    --site-bg-alt: #f8fafc;     /* Light subtle gray for zebra */
    --site-border: #e2e8f0;
    --site-accent: #0284c7;     /* Tech Blue */
    --site-accent-hover: #0369a1;
}

/* Стартовый 1-экранный Hero */
.b2b-portal-hero {
    position: relative;
    min-height: calc(100vh - 65px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
    overflow: hidden;
    color: #0f172a;
}

#b2bCanvasNetwork {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: auto;
}

.b2b-portal-content {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

.b2b-portal-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: #e0f2fe;
    border: 1px solid #bae6fd;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    color: #0369a1;
    margin-bottom: 20px;
}

.b2b-portal-title {
    font-size: 46px;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.15;
    color: #0f172a;
    margin-bottom: 16px;
}

.b2b-portal-desc {
    font-size: 17px;
    line-height: 1.6;
    color: #475569;
    max-width: 760px;
    margin: 0 auto 36px;
}

/* Карточки событий на стартовом экране */
.b2b-event-card {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 24px 20px;
    transition: all 0.25s ease-in-out;
    text-decoration: none;
    color: #0f172a;
    display: flex;
    flex-direction: column;
    height: 100%;
    text-align: left;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

.b2b-event-card:hover {
    border-color: var(--site-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -5px rgba(2, 132, 199, 0.15);
    color: #0f172a;
}

.b2b-event-card__status {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 6px;
    width: fit-content;
    margin-bottom: 12px;
}

.b2b-event-card__title {
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
    line-height: 1.35;
}

.b2b-event-card__meta {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.b2b-event-card__footer {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--site-accent);
}

@media (max-width: 768px) {
    .b2b-portal-title {
        font-size: 28px;
    }
    .b2b-portal-desc {
        font-size: 14px;
        margin-bottom: 24px;
    }
    .b2b-portal-hero {
        min-height: auto;
        padding: 40px 0;
    }
}