@media(max-width:820px){:root{--container:min(100% - 28px,680px);--header-h:68px}.section{padding:72px 0}.menu-btn{display:grid;place-items:center}.nav-links{display:none;position:absolute;top:calc(var(--header-h) - 1px);left:14px;right:14px;padding:16px;background:rgba(13,13,18,.98);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:4px}.nav-links.open{display:flex}.nav-links a,.nav-links .btn{padding:11px 12px}.nav-links a:not(.btn)::after{display:none}.hero{padding-top:52px}.hero-grid{grid-template-columns:1fr;gap:42px;min-height:0}.hero-copy{text-align:center;margin-inline:auto}.hero h1{font-size:clamp(3rem,14vw,5rem)}.hero p{margin-inline:auto}.hero-actions{justify-content:center}.hero-portrait-frame{width:min(82vw,390px)}.pro-stage{height:585px}.pro-card[data-pos="-1"]{transform:translateX(calc(-50% - 205px)) scale(.78);opacity:.55}.pro-card[data-pos="1"]{transform:translateX(calc(-50% + 205px)) scale(.78);opacity:.55}.pro-card[data-pos="-2"],.pro-card[data-pos="2"]{opacity:0;pointer-events:none}.trust-strip,.footer-grid,.support-services{grid-template-columns:1fr}.support-services{gap:30px;padding:26px}.footer-grid{gap:28px}.ai-assistant-btn{right:16px;bottom:16px}}
@media(max-width:520px){.service-list{grid-template-columns:1fr}.support-actions{flex-direction:column}.support-actions .btn{text-align:center}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{text-align:center}.hero-portrait-frame{width:min(88vw,350px)}.pro-card{width:min(310px,76vw)}.pro-card[data-pos="-1"]{transform:translateX(calc(-50% - 176px)) scale(.72)}.pro-card[data-pos="1"]{transform:translateX(calc(-50% + 176px)) scale(.72)}.pro-photo{height:170px}.ai-assistant-btn span:last-child{display:none}.ai-assistant-btn{padding:8px}.ai-assistant-icon{width:36px;height:36px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.hero-portrait-placeholder{transition:none}}