/* Полезно → Масла (ползва и polezno-akb.css) */
.ol-big { display: flex; flex-direction: column; gap: 2px; padding: 16px 18px; border-radius: 12px; background: linear-gradient(135deg, #3A2A06, #1F1A0C); border: 1px solid #5A4512; }
.ol-big span { font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #E9C877; }
.ol-big b { font-family: var(--display); font-weight: 800; font-size: clamp(28px, 4vw, 40px); line-height: 1.1; color: #FFD66B; }
.ak-specs .wide { grid-column: 1 / -1; }
.ol-cta { display: flex; flex-wrap: wrap; gap: 10px; }
.ol-cta .btn { flex: 1 1 200px; }

/* 5W-30 */
.ol-sae { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 28px 40px; align-items: center; }
.ol-code { display: flex; align-items: baseline; gap: 6px; padding: 26px 34px; border-radius: 18px; background: var(--ink); font-family: var(--display); font-weight: 800; font-size: clamp(54px, 9vw, 96px); line-height: 1; }
.ol-code .w { color: #7CC4FF; }
.ol-code .dash { color: #6B6E74; }
.ol-code .h { color: #FF8A5B; }
.ol-code-txt { display: flex; flex-direction: column; gap: 16px; }
.ol-code-txt div { display: flex; flex-direction: column; gap: 4px; padding-left: 16px; border-left: 4px solid; }
.ol-code-txt div:first-child { border-color: #2E8FE0; }
.ol-code-txt div:last-child { border-color: #E2672F; }
.ol-code-txt b { font-size: 19px; }
.ol-code-txt b.w { color: #1A6FB8; }
.ol-code-txt b.h { color: #C5521F; }
.ol-code-txt span { color: var(--muted); }

.ol-temp { display: flex; flex-direction: column; gap: 14px; padding: 24px; border-radius: 16px; background: var(--paper); border: 1px solid var(--line); }
.ol-temp-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 16px; }
.ol-temp-head b { font-size: 18px; }
.ol-temp-head output { font-family: var(--display); font-weight: 800; font-size: 32px; color: #1A6FB8; }
.ol-temp input[type=range] { width: 100%; accent-color: #2E8FE0; height: 28px; }
.ol-temp-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.ol-temp-list li { display: flex; flex-direction: column; gap: 2px; padding: 12px; border-radius: 10px; background: #F1D9D9; color: #7A2328; transition: background .2s ease, color .2s ease; }
.ol-temp-list li b { font-family: var(--display); font-size: 22px; }
.ol-temp-list li span { font-size: 13px; }
.ol-temp-list li.ok { background: #D6EEDD; color: #1B5E33; }
@media (prefers-reduced-motion: reduce) { .ol-temp-list li { transition: none; } }

.ol-cls { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; color: var(--muted); }
.ol-cls b { color: var(--ink); }

/* Проверка на нивото */
.ol-check { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr); gap: 28px; align-items: center; }
.ol-steps { margin: 0; padding-left: 24px; display: flex; flex-direction: column; gap: 12px; color: var(--muted); }
.ol-steps b { color: var(--ink); }
.ol-steps li::marker { color: var(--red); font-weight: 800; }
.ol-stick { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.ol-stick p { margin: 0; font-size: 14px; color: var(--muted); text-align: center; }
.ol-stick-bar { position: relative; width: 26px; height: 220px; border-radius: 6px; background: linear-gradient(180deg, #C9CBCF, #9EA2A8); }
.ol-stick-bar::before { content: ""; position: absolute; left: 50%; top: -26px; width: 44px; height: 30px; margin-left: -22px; border-radius: 8px 8px 4px 4px; background: #F2B33D; }
.ol-stick-bar .max, .ol-stick-bar .min { position: absolute; left: 34px; font-size: 13px; font-weight: 700; white-space: nowrap; }
.ol-stick-bar .max { top: 128px; }
.ol-stick-bar .min { top: 178px; }
.ol-stick-bar::after { content: ""; position: absolute; left: -6px; right: -6px; top: 136px; height: 50px; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.ol-stick-bar .lvl { position: absolute; left: 0; right: 0; bottom: 0; height: 70px; border-radius: 0 0 6px 6px; background: linear-gradient(180deg, #8A5A10, #5A3A08); opacity: .9; }

@media (max-width: 1000px) {
  .ol-sae { grid-template-columns: 1fr; }
  .ol-code { justify-content: center; }
  .ol-check { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .ol-temp-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ol-temp { padding: 18px; }
}