.nb2b-public { --accent: #0057ff; --ink: #101820; --muted: #526170; --line: #ced8e1; --paper: #f4f7fa; color: var(--ink); margin: 0 auto; max-width: 1440px; padding: clamp(48px, 8vw, 112px) clamp(16px, 4vw, 64px); }
.nb2b-public * { box-sizing: border-box; }
.nb2b-public__intro { margin-bottom: 48px; max-width: 780px; }
.nb2b-public__intro h1, .nb2b-public__intro h2 { font-size: clamp(42px, 7vw, 84px); letter-spacing: -.055em; line-height: .96; margin: 0 0 20px; }
.nb2b-public__intro p { color: var(--muted); font-size: clamp(18px, 2vw, 22px); line-height: 1.55; max-width: 60ch; }
.nb2b-plans { background: var(--line); border: 1px solid var(--line); display: grid; gap: 1px; grid-template-columns: minmax(0, 1fr); }
.nb2b-plan { background: #fff; display: flex; flex-direction: column; min-height: 480px; padding: clamp(24px, 4vw, 42px); }
.nb2b-plan--featured { background: var(--ink); color: #fff; }
.nb2b-plan__name { font-size: 14px; font-weight: 700; margin: 0 0 40px; text-transform: uppercase; }
.nb2b-plan__price { font-size: clamp(36px, 5vw, 58px); font-weight: 700; letter-spacing: -.045em; line-height: 1; margin: 0; }
.nb2b-plan__period { color: var(--muted); margin: 8px 0 28px; }
.nb2b-plan--featured .nb2b-plan__period { color: #ced8e1; }
.nb2b-plan__description { line-height: 1.6; min-height: 76px; }
.nb2b-plan ul { border-top: 1px solid var(--line); list-style: none; margin: 24px 0 36px; padding: 20px 0 0; }
.nb2b-plan li { margin: 0 0 12px; padding-left: 22px; position: relative; }
.nb2b-plan li::before { color: var(--accent); content: "✓"; font-weight: 700; left: 0; position: absolute; }
.nb2b-plan__cta { background: var(--accent); border: 1px solid var(--accent); color: #fff; display: block; font-weight: 700; margin-top: auto; min-height: 48px; padding: 13px 18px; text-align: center; text-decoration: none; }
.nb2b-plan__cta:hover, .nb2b-plan__cta:focus { background: var(--ink); border-color: currentColor; color: #fff; }
.nb2b-plan--featured .nb2b-plan__cta:hover { background: #fff; color: var(--ink); }
.nb2b-signup { background: #fff; border-top: 4px solid var(--ink); display: grid; gap: 22px; max-width: 920px; padding: clamp(24px, 5vw, 52px); }
.nb2b-signup__grid { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); }
.nb2b-signup label { display: block; font-weight: 700; margin-bottom: 7px; }
.nb2b-signup input, .nb2b-signup select, .nb2b-signup textarea { border: 1px solid var(--line); border-radius: 0; min-height: 48px; padding: 10px 12px; width: 100%; }
.nb2b-signup textarea { min-height: 120px; }
.nb2b-signup input:focus, .nb2b-signup select:focus, .nb2b-signup textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); outline: none; }
.nb2b-signup button { background: var(--accent); border: 0; color: #fff; cursor: pointer; font-weight: 700; min-height: 50px; padding: 12px 22px; }
.nb2b-signup__success { background: #e8f7ef; border-left: 4px solid #08733c; padding: 18px; }
.nb2b-hp { left: -9999px; position: absolute; }
@media (min-width: 900px) { .nb2b-plans { grid-template-columns: repeat(3, minmax(0, 1fr)); } .nb2b-signup__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }