.pricing-section { background: #eef7ff; }
.guarantee-check { max-width: 620px; margin: 0 auto 30px; text-align: center; }
.guarantee-check > p:first-child { margin: 0 0 12px; color: var(--navy); font-weight: 900; text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.84rem; }
.guarantee-options { display: inline-flex; gap: 12px; padding: 6px; border-radius: 999px; background: var(--white); border: 1px solid var(--border); box-shadow: 0 10px 24px rgba(16, 42, 67, 0.08); }
.guarantee-option { min-width: 116px; border: 0; border-radius: 999px; padding: 11px 20px; background: transparent; color: var(--navy); font: inherit; font-weight: 900; cursor: pointer; }
.guarantee-option.is-active { background: var(--blue); color: var(--white); }
.guarantee-option[data-guarantee="no"].is-active { background: #f0643f; }
.guarantee-note { max-width: 560px; margin: 14px auto 0; color: var(--muted); font-size: 0.95rem; }
.pricing-plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.cover-plan { position: relative; overflow: hidden; display: flex; flex-direction: column; min-height: 100%; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 14px 34px rgba(16, 42, 67, 0.12); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.cover-plan.is-recommended { transform: translateY(-4px); border-color: var(--blue); box-shadow: var(--shadow); }
.cover-plan-advanced.is-recommended, .cover-plan-premium.is-recommended { border-color: #f0643f; }
.cover-plan-essential { --plan-accent: #23aee4; --plan-soft: #dff5ff; --plan-grid: rgba(35, 174, 228, 0.24); }
.cover-plan-advanced { --plan-accent: #f0643f; --plan-soft: #ffe6df; --plan-grid: rgba(240, 100, 63, 0.2); }
.cover-plan-premium { --plan-accent: #f4b23e; --plan-soft: #fff1cf; --plan-grid: rgba(244, 178, 62, 0.24); }
.plan-ribbon { background: var(--plan-accent); color: var(--white); font-size: 0.76rem; font-weight: 900; text-align: center; text-transform: uppercase; letter-spacing: 0.03em; padding: 9px 10px; }
.cover-plan-premium .plan-ribbon { color: var(--navy); }
.plan-visual { position: relative; height: 124px; background-color: var(--plan-soft); background-image: linear-gradient(var(--plan-grid) 1px, transparent 1px), linear-gradient(90deg, var(--plan-grid) 1px, transparent 1px); background-size: 18px 18px; }
.plan-boiler { position: absolute; left: 50%; top: 18px; width: 74px; height: 82px; transform: translateX(-50%); background: linear-gradient(#ffffff, #eff7fb); border: 2px solid rgba(16, 42, 67, 0.12); border-radius: 6px; box-shadow: 0 8px 16px rgba(16, 42, 67, 0.12); }
.plan-boiler::before { content: ""; position: absolute; left: 22px; right: 22px; top: 14px; height: 4px; border-radius: 999px; background: rgba(16, 42, 67, 0.18); }
.plan-boiler::after { content: ""; position: absolute; left: 30px; bottom: 15px; width: 14px; height: 14px; border-radius: 50%; border: 3px solid var(--plan-accent); }
.plan-tool { position: absolute; left: 42px; bottom: 24px; width: 34px; height: 54px; border-radius: 8px; background: var(--navy); border: 4px solid #2b7bd3; box-shadow: 0 8px 14px rgba(16, 42, 67, 0.18); }
.plan-tool::before { content: ""; position: absolute; left: 8px; right: 8px; top: 9px; height: 12px; border-radius: 3px; background: #a5e86f; }
.plan-tool::after { content: ""; position: absolute; left: 11px; bottom: 8px; width: 8px; height: 8px; border-radius: 50%; background: #e9f2f8; box-shadow: 0 -12px 0 rgba(233, 242, 248, 0.8); }
.plan-controls { position: absolute; right: 42px; bottom: 26px; width: 54px; height: 38px; border: 4px solid rgba(16, 42, 67, 0.22); border-radius: 5px; background: #f7fbff; }
.plan-controls::before { content: ""; position: absolute; left: 12px; right: 12px; top: 8px; height: 11px; background: #79a6d8; border-radius: 2px; }
.plan-controls::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: -10px; height: 4px; background: rgba(16, 42, 67, 0.25); border-radius: 999px; }
.plan-radiator { position: absolute; right: 34px; bottom: 20px; width: 70px; height: 42px; border-radius: 6px; background: repeating-linear-gradient(90deg, #ffffff 0 8px, #e5eef5 8px 12px); border: 2px solid rgba(16, 42, 67, 0.12); }
.plan-radiator::before { content: ""; position: absolute; left: -16px; top: 8px; width: 14px; height: 22px; border: 4px solid #9cc2dd; border-right: 0; border-radius: 8px 0 0 8px; }
.plan-body { display: flex; flex: 1; flex-direction: column; padding: 24px; }
.plan-badge { align-self: flex-start; margin: 0 0 12px; color: var(--plan-accent); font-size: 0.72rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.08em; }
.cover-plan.is-recommended .plan-badge::after { content: " - recommended"; color: var(--navy); }
.plan-body h3 { margin-bottom: 6px; color: var(--plan-accent); font-size: 1.42rem; text-transform: uppercase; }
.plan-subtitle { margin: 0 0 16px; color: var(--plan-accent); font-size: 0.78rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.06em; }
.plan-features { padding: 0; margin: 0 0 20px; list-style: none; }
.plan-features li { position: relative; padding-left: 22px; margin-bottom: 8px; font-size: 0.94rem; line-height: 1.35; }
.plan-features li::before { content: ""; position: absolute; left: 0; top: 0.48em; width: 8px; height: 8px; border-radius: 50%; background: var(--plan-accent); }
.plan-price { margin: auto 0 0; color: var(--plan-accent); font-size: 2.45rem; line-height: 1; font-weight: 900; }
.plan-price span { font-size: 1.35rem; vertical-align: super; }
.plan-price small { display: block; margin-top: 6px; color: var(--muted); font-size: 0.78rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.05em; }
.plan-price del { display: inline-block; margin-right: 8px; color: #94a3b8; font-size: 0.95rem; font-weight: 800; vertical-align: middle; }
.plan-note { margin: 6px 0 14px; color: var(--muted); font-size: 0.82rem; font-weight: 800; text-transform: uppercase; }
.btn-plan { width: 100%; margin-top: 16px; background: var(--white); color: var(--plan-accent); border: 2px solid currentColor; min-height: 46px; padding: 11px 18px; }
.btn-plan:hover { background: var(--plan-accent); color: var(--white); }
.cover-plan-premium .btn-plan:hover { color: var(--navy); }

@media (max-width: 860px) {
  .pricing-plans { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .guarantee-options { display: flex; width: 100%; }
  .guarantee-option { flex: 1; min-width: 0; }
  .plan-visual { height: 112px; }
  .plan-body { padding: 22px; }
  .plan-price { font-size: 2.2rem; }
}