@media (max-width: 1350px) {
    .brand__logo--mark,.brand__logo--text { height:40px; }
    .site-header__inner { gap: 18px; }
    .primary-nav { gap: 14px; }
    .header-actions { gap: 10px; }
    .login-link { display: none; }
}

@media (max-width: 1080px) {
    .primary-nav { gap: 18px; }
    .primary-nav a { font-size: .78rem; }
    .login-link { display: none; }
    .hero__inner { gap: 36px; }
    .operator-grid { grid-template-columns: repeat(3, 1fr); }
    .battery-layout { gap: 50px; }
    .content-page-grid { grid-template-columns: repeat(2, 1fr); }
    .data-hero-layout { gap: 32px; }
    .data-flow { padding-inline: 14px; }
    .flow-node { min-width: 105px; }
    .site-header__inner { gap: 22px; }
    .header-actions { gap: 12px; }
    .brand__logo--mark,.brand__logo--text { height:40px; }
}

@media (max-width: 1024px) {
    .brand__logo--mark { height:38px; }
    .brand__logo--text { display:none; }
}

@media (max-width: 900px) {
    :root { --header-height: 70px; }
    .container { width: min(calc(100% - 32px), var(--container)); }
    .site-header__inner { justify-content: space-between; }
    .brand__logo--mark { height:38px; }
    .brand__logo--text { display:none; }
    .menu-toggle { display: block; order: 3; }
    .primary-nav { position: fixed; inset: var(--header-height) 16px auto; display: grid; gap: 0; padding: 12px; border: 1px solid var(--glass-border); border-radius: 18px; background: rgba(11,15,25,.96); box-shadow: 0 30px 60px rgba(0,0,0,.4); backdrop-filter: blur(16px); transition: .2s ease; }
    [data-theme="light"] .primary-nav { background: rgba(255,255,255,.97); box-shadow: 0 30px 60px rgba(15,23,42,.15); }
    .primary-nav:not(.is-open) { transform: translateY(-12px); visibility: hidden; opacity: 0; pointer-events: none; }
    .primary-nav.is-open { transform: translateY(0); visibility: visible; opacity: 1; }
    .primary-nav a { padding: 13px 12px; font-size: .9rem; }
    .header-actions .button, .login-link { display: none; }
    .hero--fullbleed { min-height: 720px; padding: 0; }
    .hero__scrim { background: linear-gradient(90deg, rgba(11,15,25,.94), rgba(11,15,25,.72) 70%, rgba(11,15,25,.28)); }
    .hero__inner { grid-template-columns: 1fr; }
    .hero__content { max-width: 600px; text-align: left; }
    .range-simulator { display: block; width: min(100%, 680px); margin-inline: auto; padding: 30px; text-align: left; }
    .simulator-range { min-height: 0; padding-left: 0; border-left: 0; }
    .range-meter { margin: 20px 0 28px; }
    .simulator-controls { gap: 20px; }
    .simulator-insight { margin-top: 22px; }
    .hero-hud { position: absolute; inset: 0; min-height: 0; }
    .hud-waypoint--charge { left: auto; right: 4%; top: 45%; }
    .hud-waypoint--finish { right: 5%; top: 18%; }
    .hud-waypoint--start { display: none; }
    .simulator-stage { padding: 90px 0; pointer-events: auto; }
    .simulator-lab { grid-template-columns: 1fr; }
    .simulator-stage__inner { width: min(100%,680px); margin-inline: auto; }
    .simulator-lab__visual { width: min(100%,760px); margin-inline: auto; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(3)::before { display: none; }
    .battery-layout { grid-template-columns: 1fr; }
    .about-story__grid { grid-template-columns:1fr; }
    .about-metrics { display:grid; grid-template-columns:repeat(3,1fr); }
    .about-metrics > div { align-items:flex-start; flex-direction:column; border-right:1px solid var(--glass-border); border-bottom:0; }
    .about-metrics > div:last-child { border-right:0; }
    .about-metrics span { text-align:left; }
    .about-values__grid { grid-template-columns:repeat(2,1fr); }
    .about-freedom__panel { grid-template-columns:1fr; }
    .about-freedom__symbol { width:min(100%,480px); margin-inline:auto; }
    .network-experience { grid-template-columns: 1fr; }
    .network-intro { max-width:680px; }
    .network-map { min-height:430px; }
    .inner-hero { min-height: 540px; }
    .content-page-grid { grid-template-columns: 1fr; }
    .faq-layout, .showcase-row, .data-hero-layout, .offline-layout { grid-template-columns: 1fr; }
    .showcase-row--reverse .showcase-copy, .showcase-row--reverse .showcase-visual { order: initial; }
    .showcase-row { gap: 40px; }
    .feature-showcase { gap: 90px; }
    .showcase-visual { min-height: 340px; }
    .data-hero .inner-hero__content { padding-top: 30px; }
    .data-visual-stack { min-height: 560px; }
    .data-layer-grid { grid-template-columns: 1fr; }
    .data-layer-card { min-height: auto; }
    .transparency-panel { grid-template-columns: 1fr; gap: 20px; }
    .cpo-panel { align-items: flex-start; flex-direction: column; }
    .cpo-actions { width: 100%; }
    .detailed-plan-grid { width: min(100%, 680px); }
    .battery-copy { max-width: 680px; }
    .cta-panel { align-items: flex-start; flex-direction: column; }
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
    .section { padding: 82px 0; }
    h1 { font-size: clamp(2.75rem, 14vw, 4.2rem); }
    .language-dropdown { margin-left:auto; }
    .brand { gap: 7px; }
    .brand__logo--mark { height:38px; }
    .brand__logo--text { display:none; }
    .range-simulator { padding: 23px 20px; }
    .hero--fullbleed { min-height: 690px; }
    .hero__backdrop { object-position: 62% center; }
    .hero__scrim { background: linear-gradient(90deg, rgba(11,15,25,.96), rgba(11,15,25,.78) 76%, rgba(11,15,25,.42)); }
    .hero__inner { padding-block: 88px 64px; }
    .hero__title { font-size: clamp(2.05rem,10vw,2.75rem); }
    .hero-hud, .hud-waypoint { display: none; }
    .simulator-stage { padding: 72px 0; }
    .simulator-header { align-items: flex-start; }
    .simulator-header h2 { font-size: 1.35rem; }
    .simulator-header .live-badge { margin-top: 1px; }
    .simulator-range strong { font-size: 2.75rem; }
    .simulator-controls { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item { min-height: 125px; padding: 22px 12px; }
    .stat-item:nth-child(3)::before { display: block; }
    .stat-item:nth-child(odd)::before { display: none; }
    .stat-item:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.07); }
    .vehicle-search { min-height: 62px; padding: 7px 12px; }
    .vehicle-search__icon { width: 35px; height: 35px; }
    .vehicle-search input { font-size: .82rem; }
    .vehicle-search__hint { display: none; }
    .brand-marquee { gap: 18px 24px; margin-top: 48px; }
    .ev-spec-card { padding: 22px 18px; }
    .ev-spec-card__head { align-items: flex-start; flex-direction: column; }
    .ev-spec-grid { grid-template-columns: 1fr; }
    .battery-dashboard { padding: 24px 18px; }
    .battery-photo, .battery-photo img { min-height: 360px; height: 360px; }
    .battery-visual { min-height: 220px; }
    .battery-shell { width: 180px; height: 84px; }
    .battery-shell::after { top: 23px; }
    .operator-grid { grid-template-columns: repeat(2, 1fr); }
    .about-hero { min-height:680px; }
    .about-hero__image { object-position:62% center; }
    .about-hero__scrim { background:linear-gradient(90deg,rgba(7,12,21,.95),rgba(7,12,21,.72) 78%,rgba(7,12,21,.25)); }
    .about-mission__grid,.about-values__grid,.about-help__grid { grid-template-columns:1fr; }
    .about-mission__card { min-height:auto; padding:30px 24px; }
    .about-mission__card > span { margin-bottom:34px; }
    .about-freedom__panel { min-height:auto; padding:36px 24px; border-radius:26px; }
    .about-freedom__copy ul { grid-template-columns:1fr; }
    .about-freedom__symbol { width:100%; }
    .about-intelligence__visual,.about-intelligence__visual img { min-height:420px; height:420px; }
    .about-intelligence__visual figcaption { right:22px; bottom:22px; left:22px; align-items:flex-start; flex-direction:column; }
    .about-help__card { min-height:auto; border-right:0; border-bottom:1px solid var(--glass-border); }
    .about-help__card:last-child { border-bottom:0; }
    .about-help__card h3 { margin-top:28px; }
    .about-metrics { grid-template-columns:1fr; }
    .about-metrics > div { min-height:100px; align-items:center; flex-direction:row; border-right:0; border-bottom:1px solid var(--glass-border); }
    .about-metrics > div:last-child { border-bottom:0; }
    .about-metrics span { text-align:right; }
    .network-map { min-height:360px; }
    .network-map__top { align-items:flex-start; flex-direction:column; gap:6px; }
    .network-map__legend { left:18px; right:auto; }
    .operator-card { min-height:132px; padding-inline:10px; }
    .operator-card__details { align-items:center; flex-direction:column; gap:4px; }
    .plan-grid { grid-template-columns: 1fr; }
    .detailed-plan-grid { grid-template-columns: 1fr; }
    .billing-switch { width: 100%; }
    .billing-switch button { min-width: 0; flex: 1; padding-inline: 10px; }
    .comparison-table th, .comparison-table td { min-width: 125px; padding: 16px 14px; }
    .faq-layout { gap: 30px; }
    .showcase-visual { min-height: 290px; }
    .battery-feature-widget { min-height: 440px; }
    .battery-feature-widget__hud { right: 18px; bottom: 18px; width: calc(100% - 36px); }
    .data-flow { align-items: stretch; flex-direction: column; }
    .data-visual-stack { min-height: 680px; }
    .data-visual-stack::after { background: linear-gradient(180deg, transparent 8%, rgba(7,11,18,.9) 55%); }
    .data-visual-stack .data-flow { right: 12px; bottom: 12px; left: 12px; }
    .data-flow > i { transform: rotate(90deg); text-align: center; }
    .flow-node { min-height: 105px; }
    .offline-visual { min-height: 330px; }
    .transparency-panel, .cpo-panel { padding: 32px 24px; }
    .cpo-actions .button { width: 100%; }
    .plan-card { min-height: auto; padding: 28px 24px; }
    .cta-panel { padding: 32px 24px; }
    .cta-panel .button { width: 100%; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 42px 28px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { align-items: flex-start; flex-direction: column; gap: 14px; }
    .story-visual, .story-visual img { min-height: 400px; height: 400px; }
    .story-visual figcaption { right: 22px; bottom: 22px; left: 22px; align-items: flex-start; flex-direction: column; }
}