:root {
    --bg-ink: #111827;
    --bg-muted: #6b7280;
    --bg-line: #e5e7eb;
    --bg-page: #f7f8fb;
    --bg-white: #ffffff;
    --bg-blue: #0081ff;
    --bg-blue-dark: #006fdc;
    --bg-blue-soft: #eaf4ff;
    --bg-nav: #1d1f2d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "DM Sans", Arial, Helvetica, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    color: var(--bg-ink);
    background: var(--bg-page);
}
body a { text-decoration: none; }

.bg-topbar {
    min-height: 86px;
    background: #fff;
    border-bottom: 1px solid var(--bg-line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 0 6vw;
    position: sticky;
    top: 0;
    z-index: 20;
}
.bg-logo { display: flex; align-items: center; }
.bg-logo img { display: block; width: 208px; max-width: 100%; height: auto; }
.bg-top-actions { display: flex; gap: 12px; align-items: center; }
.bg-text-link { font-size: 15px; color: #4b5563; }
.bg-text-link:hover { color: var(--bg-blue); }

.bg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 11px 20px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 15px;
    border: 1px solid transparent;
    transition: background .15s ease, border-color .15s ease, color .15s ease, transform .15s ease;
}
.bg-btn:hover { transform: translateY(-1px); }
.bg-btn-primary { background: var(--bg-blue); color: #fff !important; border-color: var(--bg-blue); }
.bg-btn-primary:hover { background: var(--bg-blue-dark); border-color: var(--bg-blue-dark); }
.bg-btn-light { background: #fff; border-color: #d1d5db; color: #111827 !important; }
.bg-btn-light:hover { background: #f9fafb; border-color: #bfc5ce; }

.bg-hero {
    width: min(1200px, calc(100% - 56px));
    margin: 0 auto;
    padding: 72px 0 46px;
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 56px;
    align-items: center;
}
.bg-hero-copy { min-width: 0; }
.bg-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 20px;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--bg-blue-soft);
    color: var(--bg-blue-dark);
    font-size: 13px;
    line-height: 1.2;
    font-weight: 700;
}
.bg-hero h1 {
    max-width: 650px;
    margin: 0 0 20px;
    font-size: clamp(42px, 5vw, 58px);
    line-height: 1.02;
    letter-spacing: -2.6px;
    color: var(--bg-ink);
}
.bg-lead {
    max-width: 650px;
    margin: 0 0 28px;
    color: #5f6674;
    font-size: 21px;
    line-height: 1.55;
}
.bg-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.bg-micro { margin: 14px 0 0; color: #8a91a0; font-size: 13px; }

.bg-portal {
    background: var(--bg-nav);
    border-radius: 24px;
    padding: 26px;
    box-shadow: 0 25px 60px rgba(17, 24, 39, .16);
    color: #fff;
}
.bg-portal-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 22px;
    font-size: 14px;
}
.bg-portal-head strong { font-size: 15px; }
.bg-portal-head span { color: #d3d8e2; white-space: nowrap; }
.bg-portal-head i {
    display: inline-block;
    width: 9px;
    height: 9px;
    margin-right: 6px;
    border-radius: 50%;
    background: #22c55e;
}
.bg-portal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.bg-mini-card {
    min-height: 126px;
    padding: 18px;
    background: #252838;
    border: 1px solid rgba(255,255,255,.06);
    border-radius: 16px;
}
.bg-mini-card h2 { margin: 0 0 9px; color: #fff; font-size: 15px; line-height: 1.25; }
.bg-mini-card p { margin: 0; color: #c5cad6; font-size: 13px; line-height: 1.4; }
.bg-icon { display: block; margin-bottom: 14px; font-size: 22px; line-height: 1; }

.bg-section {
    width: min(1200px, calc(100% - 56px));
    margin: 0 auto;
    padding: 34px 0;
}
.bg-section > h2 { margin: 0 0 9px; font-size: 32px; line-height: 1.15; letter-spacing: -1px; }
.bg-section-intro { margin: 0 0 25px; color: var(--bg-muted); font-size: 17px; line-height: 1.55; }
.bg-personas { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.bg-persona {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 26px;
    background: #fff;
    border: 1px solid var(--bg-line);
    border-radius: 20px;
}
.bg-persona-icon {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-blue-soft);
    color: var(--bg-blue-dark);
    font-size: 22px;
}
.bg-persona h3 { margin: 0 0 8px; font-size: 20px; line-height: 1.25; }
.bg-persona p { margin: 0; color: var(--bg-muted); font-size: 15px; line-height: 1.55; }

.bg-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.bg-feature {
    padding: 24px;
    background: #fff;
    border: 1px solid var(--bg-line);
    border-radius: 18px;
}
.bg-feature-icon {
    width: 42px;
    height: 42px;
    margin-bottom: 18px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-blue-soft);
    color: var(--bg-blue-dark);
    font-size: 20px;
}
.bg-feature h2 { margin: 0 0 9px; font-size: 18px; line-height: 1.3; }
.bg-feature p { margin: 0; color: var(--bg-muted); font-size: 14px; line-height: 1.55; }

.bg-first-login {
    width: min(1200px, calc(100% - 56px));
    margin: 28px auto 64px;
}
.bg-first-box {
    display: grid;
    grid-template-columns: .78fr 1.22fr;
    gap: 40px;
    align-items: center;
    padding: 34px;
    background: #fff;
    border: 1px solid var(--bg-line);
    border-radius: 24px;
    box-shadow: 0 16px 40px rgba(17,24,39,.06);
}
.bg-first-box h2 { margin: 0 0 12px; font-size: 32px; line-height: 1.15; letter-spacing: -1px; }
.bg-first-box > div > p:not(.bg-eyebrow):not(.bg-help) { margin: 0 0 20px; color: var(--bg-muted); font-size: 16px; line-height: 1.55; }
.bg-help { margin: 14px 0 0; color: #7c8491; font-size: 13px; line-height: 1.45; }
.bg-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.bg-step {
    min-width: 0;
    padding: 18px;
    background: #fafafa;
    border: 1px solid var(--bg-line);
    border-radius: 16px;
}
.bg-step > span {
    width: 28px;
    height: 28px;
    margin-bottom: 12px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-blue);
    color: #fff;
    font-weight: 700;
    font-size: 13px;
}
.bg-step strong { display: block; margin-bottom: 5px; font-size: 14px; line-height: 1.3; }
.bg-step small { display: block; color: var(--bg-muted); font-size: 13px; line-height: 1.4; }

.bg-footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    padding: 28px 6vw;
    background: #fff;
    border-top: 1px solid var(--bg-line);
    color: #8a91a0;
    font-size: 13px;
}

@media (max-width: 900px) {
    .bg-topbar { padding: 0 22px; }
    .bg-logo img { width: 176px; }
    .bg-text-link { display: none; }
    .bg-hero { grid-template-columns: 1fr; gap: 32px; padding-top: 46px; }
    .bg-portal { max-width: 680px; }
    .bg-personas, .bg-features, .bg-first-box, .bg-steps { grid-template-columns: 1fr; }
    .bg-lead { font-size: 18px; }
}

@media (max-width: 560px) {
    .bg-topbar { min-height: 72px; padding: 0 16px; }
    .bg-logo img { width: 150px; }
    .bg-btn { min-height: 42px; padding: 9px 14px; font-size: 14px; }
    .bg-hero, .bg-section, .bg-first-login { width: min(100% - 32px, 1200px); }
    .bg-hero { padding-top: 34px; }
    .bg-hero h1 { font-size: 39px; letter-spacing: -1.8px; }
    .bg-portal { padding: 18px; border-radius: 20px; }
    .bg-portal-head { align-items: flex-start; flex-direction: column; }
    .bg-portal-grid { grid-template-columns: 1fr; }
    .bg-section > h2, .bg-first-box h2 { font-size: 27px; }
    .bg-first-box { padding: 24px; }
}