.history-v20{background:linear-gradient(135deg,#eaf2f6,#f8fafb);overflow:hidden;scroll-margin-top:100px}.history-v20 .section-head h2{font-size:clamp(30px,3.3vw,46px)}.history-v20.enhanced .history-tabs{position:relative;display:flex;gap:0;padding:0 0 22px;margin:36px 0 8px;isolation:isolate;scrollbar-width:thin}.history-tabs:before{content:'';position:absolute;left:0;right:0;top:51px;height:2px;background:#c8dce6;z-index:-1}.history-tabs:after{content:'';position:absolute;left:0;width:var(--history-progress,0%);top:51px;height:2px;background:#1599c2;z-index:-1;transition:width .4s ease}.history-tabs button{flex:1;min-width:125px;position:relative;background:transparent!important;color:#718894!important;border-radius:0;padding:0 14px 0;text-align:left;font-size:20px;transition:color .2s}.history-tabs button:after{content:'';position:absolute;left:15px;top:46px;width:12px;height:12px;border:3px solid #eaf2f6;background:#9db6c4;border-radius:50%;box-sizing:content-box;transition:box-shadow .2s,background .2s}.history-tabs button[aria-selected=true]{color:#0d324d!important}.history-tabs button[aria-selected=true]:after{background:#079aca;box-shadow:0 0 0 6px #0b9ac51c}.history-tabs button.past:after{background:#1787a9}.history-tabs small{display:block;font-size:11px;font-weight:500;letter-spacing:.04em;margin-top:43px;color:#587685}.history-panels article{position:relative;overflow:hidden;grid-template-columns:.85fr 1.4fr;gap:0;padding:0;border-radius:24px;box-shadow:0 20px 50px #163e5410;min-height:330px;background:#fff}.history-panels article:not([hidden]){animation:history-enter .38s ease both}.history-panels .timeline-year{position:relative;display:flex;align-items:center;padding:42px;color:white;font-size:clamp(48px,6vw,86px);background:linear-gradient(145deg,#102e47,#156082);z-index:0;overflow:hidden;letter-spacing:-.05em}.timeline-year:before{content:'';position:absolute;inset:0;transform:none;background:url('assets/hero-icon-pattern.svg') right center/390px 268px repeat;opacity:.23;mask-image:linear-gradient(90deg,transparent 0%,#000 65%);-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 65%);pointer-events:none;z-index:-1}.timeline-year:after{content:'GIPS-ART AKUSTIKA';position:absolute;bottom:28px;left:42px;letter-spacing:.18em;font:10px Rubik,sans-serif;color:#a7d5e6}.history-panels article>div{padding:44px 48px}.history-panels h3{font-size:clamp(25px,2.4vw,34px);line-height:1.2}.history-panels p{font-size:16px;color:#486276}.history-controls{display:flex;align-items:center;justify-content:space-between;margin-top:22px}.history-count{font-size:12px;letter-spacing:.08em;color:#526e80}.history-controls>div{display:flex;gap:10px}.history-controls button{width:48px;height:48px;border:0;border-radius:50%;background:#163e56;color:#fff;font-size:23px;cursor:pointer;transition:transform .2s}.history-controls button:hover:not(:disabled){transform:translateY(-2px);background:#087da8}.history-controls button:disabled{background:#dce6ec;color:#91a4af;cursor:default}.history-controls button:focus-visible{outline:3px solid #1599c2;outline-offset:3px}@keyframes history-enter{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@media(max-width:760px){.history-panels article{grid-template-columns:1fr;min-height:0}.history-panels .timeline-year{min-height:150px;padding:25px 28px 42px;font-size:54px}.timeline-year:after{left:28px;bottom:18px}.history-panels article>div{padding:28px}.history-tabs button{min-width:118px}.history-panels p{font-size:15px}}@media(prefers-reduced-motion:reduce){.history-panels article:not([hidden]){animation:none}.history-tabs:after,.history-controls button{transition:none}}