@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600&family=Noto+Sans+SC:wght@300;400;500;600&display=swap");

:root {
  --red: #e30613;
  --red-dark: #ba0610;
  --ink: #171717;
  --ink-soft: #2b2b2b;
  --muted: #666;
  --muted-light: #9a9a9a;
  --line: #deded9;
  --line-soft: #ecece8;
  --paper: #f5f5f2;
  --paper-warm: #efefeb;
  --white: #fff;
  --header-bg: rgba(18, 18, 17, .66);
  --header-bg-strong: rgba(18, 18, 17, .82);
  --header-line: rgba(255,255,255,.13);
  --shadow-soft: 0 0 0 1px rgba(0,0,0,.04);
  font-family: "Manrope", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--white);
  font-synthesis: none;
  text-rendering: geometricPrecision;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--white);
  font-family: "Manrope", "Noto Sans SC", sans-serif;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 78px;
  padding: 0 clamp(24px, 4vw, 64px);
  display: grid;
  grid-template-columns: 190px 1fr 190px;
  align-items: center;
  color: white;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-line);
  backdrop-filter: blur(22px) saturate(112%);
  -webkit-backdrop-filter: blur(22px) saturate(112%);
  transform: translateY(0);
  transition: color .25s, background .25s, border-color .25s, height .25s, transform .32s ease;
  will-change: transform;
}
.site-header.nav-hidden { transform: translateY(-105%); }

.site-header.scrolled,
.site-header.menu-open {
  color: white;
  background: var(--header-bg-strong);
  border-bottom-color: rgba(255,255,255,.18);
  backdrop-filter: blur(24px) saturate(118%);
  -webkit-backdrop-filter: blur(24px) saturate(118%);
}

.brand { width: 116px; }
.brand img {
  width: 100%;
  filter: none;
  mix-blend-mode: normal;
  transition: filter .25s;
}
.site-header.scrolled .brand img,
.site-header.menu-open .brand img { filter: none; }

.desktop-nav { display: flex; justify-content: center; gap: clamp(26px, 3.2vw, 46px); height: 100%; }
.site-header .desktop-nav { transform: none; }
.header-balance { width: 100%; }
.language-action {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.language-toggle {
  min-width: 58px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 2px;
  padding: 8px 13px;
  color: rgba(255,255,255,.82);
  background: rgba(255,255,255,.04);
  font-size: 12px;
  letter-spacing: .3px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .2s, border-color .2s, background .2s;
}
.language-toggle:hover {
  color: white;
  border-color: rgba(255,255,255,.42);
  background: rgba(255,255,255,.08);
}
.nav-item, .nav-link {
  position: relative;
  display: flex;
  align-items: center;
  color: inherit;
  border: 0;
  background: none;
  padding: 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  opacity: .86;
  transition: opacity .2s, color .2s;
}
.nav-item::after, .nav-link::after {
  content: "";
  position: absolute;
  height: 2px;
  inset: auto 0 22px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .22s ease;
}
.nav-item:hover, .nav-link:hover { opacity: 1; }
.nav-item:hover::after, .nav-link:hover::after, .nav-item.active::after, .nav-link.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 20px; }
.site-header .home-button {
  color: rgba(255,255,255,.74);
  font-size: 12px;
  letter-spacing: .06em;
}
.site-header .home-button:hover { color: white; }
.icon-button, .language-button, .menu-button {
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
  padding: 0;
}
.icon-button { width: 22px; height: 22px; }
.icon-button svg { fill: none; stroke: currentColor; stroke-width: 1.6; width: 100%; }
.language-button { font-size: 13px; }
.language-button span { opacity: .5; }
.dealer-link {
  display: grid;
  place-items: center;
  height: 38px;
  padding: 0 18px;
  color: white;
  background: var(--red);
  font-size: 13px;
}
.menu-button { display: none; width: 26px; height: 22px; position: relative; }
.menu-button span { position: absolute; left: 0; width: 100%; height: 1.5px; background: currentColor; transition: transform .25s, opacity .2s, top .25s; }
.menu-button span:nth-child(1) { top: 4px; }
.menu-button span:nth-child(2) { top: 10px; }
.menu-button span:nth-child(3) { top: 16px; }
.menu-button.active span:nth-child(1) { transform: rotate(45deg); top: 10px; }
.menu-button.active span:nth-child(2) { opacity: 0; }
.menu-button.active span:nth-child(3) { transform: rotate(-45deg); top: 10px; }

.mobile-nav-panel { display: none; }

.mega-menu, .search-panel {
  position: fixed;
  z-index: 40;
  inset: 82px 0 auto;
  background: white;
  border-bottom: 1px solid var(--line);
  transform: translateY(-115%);
  transition: transform .3s ease;
}
.mega-menu.open, .search-panel.open { transform: translateY(0); }
.mega-inner {
  max-width: 1240px;
  margin: auto;
  padding: 42px 32px 48px;
  display: grid;
  grid-template-columns: .7fr 1.5fr 1fr;
  gap: 50px;
}
.mega-title span { color: var(--red); font-size: 12px; }
.mega-title h2 { font-size: 26px; font-weight: 500; margin: 16px 0 0; }
.mega-links { display: grid; grid-template-columns: 1fr 1fr; gap: 0 30px; }
.mega-links a {
  display: flex;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.mega-links a:hover { color: var(--red); }
.mega-feature { background: var(--paper); padding: 25px; min-height: 160px; }
.mega-feature span { font-size: 11px; color: var(--muted); }
.mega-feature h3 { margin: 34px 0 8px; font-size: 18px; font-weight: 500; }
.mega-feature p { font-size: 13px; color: var(--muted); margin: 0; }

.search-form { max-width: 1000px; margin: auto; padding: 48px 32px; }
.search-form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 15px; }
.search-form div { display: flex; border-bottom: 1px solid var(--ink); }
.search-form input { width: 100%; border: 0; outline: 0; padding: 14px 0; font-size: 24px; }
.search-form button { border: 0; background: none; cursor: pointer; }

.hero { height: min(850px, 94vh); min-height: 650px; position: relative; color: white; overflow: hidden; background: #111; }
.hero-image { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.6) 34%, rgba(0,0,0,.2) 47%, rgba(0,0,0,0) 68%),
    linear-gradient(180deg, rgba(0,0,0,.2) 0%, rgba(0,0,0,0) 24%, rgba(0,0,0,.08) 100%);
}
.hero-content { position: absolute; left: clamp(24px, 6.5vw, 112px); top: 45%; transform: translateY(-38%); max-width: 455px; }
.eyebrow, .section-kicker { margin: 0 0 24px; font-size: 11px; font-weight: 600; letter-spacing: 1.6px; text-transform: uppercase; }
.hero h1 { margin: 0; font-size: clamp(44px, 5.3vw, 78px); line-height: 1.15; font-weight: 400; letter-spacing: 0; }
.hero-copy { max-width: 510px; margin: 26px 0 35px; font-size: 16px; line-height: 1.9; font-weight: 300; }
.hero-actions { display: flex; align-items: center; gap: 35px; }
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  place-items: center;
  min-width: 132px;
  min-height: 48px;
  padding: 0 26px;
  background: var(--red);
  color: white;
  border: 1px solid var(--red);
  border-radius: 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  box-shadow: none;
  transition: background .2s, border-color .2s, color .2s, transform .2s;
}
.primary-button:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  transform: translateY(-1px);
  box-shadow: none;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .03em;
  border-bottom: 1px solid currentColor;
  padding-bottom: 7px;
  transition: color .2s, gap .2s, opacity .2s;
}
.text-link:hover { gap: 20px; color: var(--red); }
.text-link.light { color: white; }
.text-link.light:hover { color: white; opacity: .78; }
.hero-meta { position: absolute; right: 4vw; bottom: 30px; display: flex; align-items: center; gap: 14px; color: rgba(255,255,255,.8); font-size: 11px; }
.progress { width: 90px; height: 1px; background: rgba(255,255,255,.28); }
.progress i { display: block; width: 33%; height: 100%; background: var(--red); }

.section-pad { padding-left: clamp(24px, 7vw, 112px); padding-right: clamp(24px, 7vw, 112px); }
.intro { padding-top: 120px; padding-bottom: 90px; display: grid; grid-template-columns: 1fr 2.2fr; }
.section-kicker { color: var(--red); }
.intro-copy { display: grid; grid-template-columns: 1.7fr 1fr; gap: 8vw; align-items: end; }
.intro h2, .series-heading h2, .solutions h2, .support h2, .about-copy h2 {
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.3;
  font-weight: 400;
  margin: 0;
}
.intro-copy > p, .series-heading > p, .solutions-intro > p:last-child, .about-copy > p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  margin: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  padding-bottom: 120px;
}
.product-card { min-height: 520px; background: #f4f4f1; position: relative; overflow: hidden; }
.product-art { height: 430px; display: grid; place-items: center; position: relative; }
.art-switch { background: #e9e9e5; }
.art-smart { background: #deddd8; }
.switch-model {
  position: relative;
  width: 230px;
  aspect-ratio: 1;
  background: #f8f7f2;
  box-shadow: 0 0 0 1px rgba(0,0,0,.08);
  transition: transform .4s;
}
.product-card:hover .switch-model { transform: translateY(-8px); }
.switch-model.square span { position: absolute; inset: 48px; border: 1px solid #d9d7d0; box-shadow: none; }
.switch-model.smart { background: #222; border-radius: 2px; }
.switch-model.smart span { position: absolute; inset: 38px 38px 80px; border-bottom: 1px solid #555; }
.switch-model.smart i { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--red); left: calc(50% - 3px); bottom: 40px; box-shadow: none; }
.card-copy { position: absolute; inset: auto 0 0; min-height: 92px; display: grid; grid-template-columns: 36px 1fr auto; gap: 18px; align-items: center; background: white; padding: 20px 28px; }
.card-copy > span { font-size: 11px; color: var(--red); }
.card-copy h3 { margin: 0 0 6px; font-weight: 500; font-size: 19px; }
.card-copy p { margin: 0; color: var(--muted); font-size: 12px; }
.card-copy b { font-weight: 400; }
.dark-card { background: #242424; color: white; }
.dark-card-copy { position: relative; z-index: 2; padding: 60px; max-width: 460px; }
.dark-card-copy span { font-size: 11px; color: var(--red); }
.dark-card-copy h3 { margin: 65px 0 16px; font-size: 42px; font-weight: 400; }
.dark-card-copy p { color: #aaa; line-height: 1.8; font-size: 14px; max-width: 330px; }
.dark-card-copy b { display: inline-block; margin-top: 35px; font-size: 13px; font-weight: 400; border-bottom: 1px solid #888; padding-bottom: 8px; }
.line-drawing { position: absolute; width: 310px; height: 310px; border: 1px solid #484848; right: -70px; bottom: -70px; transform: rotate(25deg); }
.line-drawing::before, .line-drawing::after { content: ""; position: absolute; inset: 50px; border: 1px solid #444; }
.line-drawing::after { inset: 100px; }

.series-section { background: var(--paper); padding: 125px 0 0; }
.series-heading { display: grid; grid-template-columns: 2fr 1fr; align-items: end; gap: 10vw; padding-bottom: 80px; }
.series-stage { border-top: 1px solid var(--line); }
.series-tabs { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0 7vw; border-bottom: 1px solid var(--line); }
.series-tab { height: 72px; border: 0; border-right: 1px solid var(--line); background: transparent; text-align: left; padding: 0 25px; cursor: pointer; color: #888; }
.series-tab:first-child { border-left: 1px solid var(--line); }
.series-tab.active { color: var(--ink); box-shadow: inset 0 -3px var(--red); }
.series-visual {
  min-height: 650px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: white;
  background: #2a2a28;
}
.series-info {
  position: relative;
  z-index: 2;
  color: white;
  width: min(620px, 52%);
  min-height: 650px;
  padding: 82px 7vw;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  text-shadow: 0 2px 18px rgba(0,0,0,.35);
}
.series-info::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 -26% 0 0;
  background: linear-gradient(90deg, rgba(15,15,15,.78) 0%, rgba(15,15,15,.52) 55%, rgba(15,15,15,0) 100%);
  pointer-events: none;
}
.series-info > span { color: var(--red); font-size: 11px; letter-spacing: .7px; }
.series-info h3 { font-size: clamp(35px, 4vw, 56px); font-weight: 400; line-height: 1.28; max-width: 550px; margin: 22px 0 20px; }
.series-info p { color: rgba(255,255,255,.78); line-height: 1.9; max-width: 430px; font-size: 14px; margin: 0 0 34px; }
.series-info .text-link { color: white; text-shadow: none; }
.series-product { position: absolute; z-index: 0; inset: 0; overflow: hidden; background: #2a2a28; }
.series-real-image { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: opacity .25s; }
.series-visual[data-series="h"] .series-info {
  margin-left: auto;
  align-items: flex-end;
  text-align: right;
}
.series-visual[data-series="h"] .series-info::before {
  inset: 0 0 0 -26%;
  background: linear-gradient(270deg, rgba(15,15,15,.76) 0%, rgba(15,15,15,.46) 56%, rgba(15,15,15,0) 100%);
}
.series-subline {
  position: absolute;
  z-index: 3;
  left: auto;
  right: 34px;
  bottom: 32px;
  padding: 10px 14px;
  color: white;
  background: rgba(20,20,20,.44);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.18);
  font-size: 10px;
  letter-spacing: 1px;
}
.series-visual[data-series="h"] .series-subline { left: 34px; right: auto; }
.floating-switch { width: min(24vw, 320px); aspect-ratio: 1; background: #efede7; box-shadow: 0 0 0 1px rgba(58,53,45,.12); transform: rotate(-3deg); position: relative; transition: background .3s, transform .3s; }
.floating-switch::before { content: ""; position: absolute; inset: 10%; border: 1px solid rgba(0,0,0,.05); }
.floating-switch span { position: absolute; inset: 25%; background: rgba(255,255,255,.3); border: 1px solid rgba(0,0,0,.08); box-shadow: none; }
.finish-row { position: absolute; bottom: 38px; display: flex; gap: 14px; }
.finish { width: 26px; height: 26px; border-radius: 50%; border: 5px solid white; background: var(--finish); cursor: pointer; box-shadow: 0 0 0 1px transparent; }
.finish.active { box-shadow: 0 0 0 1px var(--ink); }

.solutions { padding-top: 135px; padding-bottom: 135px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 10vw; }
.solutions-intro > p:last-child { max-width: 440px; margin-top: 30px; }
.solution-list { border-top: 1px solid var(--line); }
.solution-list a { min-height: 118px; display: grid; grid-template-columns: 45px 1fr 1fr auto; align-items: center; gap: 20px; border-bottom: 1px solid var(--line); transition: padding .2s; }
.solution-list a:hover { padding-left: 10px; }
.solution-list span { color: var(--red); font-size: 11px; }
.solution-list h3 { font-size: 22px; font-weight: 400; margin: 0; }
.solution-list p { color: var(--muted); font-size: 13px; margin: 0; }
.solution-list b { font-weight: 400; }

.support { padding-top: 130px; padding-bottom: 140px; background: #fff; }
.support-heading { display: grid; grid-template-columns: 1fr 2fr; margin-bottom: 80px; }
.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.support-grid a { min-height: 300px; padding: 42px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .2s; }
.support-grid a:hover { background: var(--paper); }
.support-grid svg { width: 34px; fill: none; stroke: var(--red); stroke-width: 1.3; }
.support-grid h3 { font-size: 22px; font-weight: 400; margin: 65px 0 10px; }
.support-grid p { color: var(--muted); font-size: 13px; }
.support-grid span { display: block; margin-top: 30px; font-size: 12px; }

.about-band { display: grid; grid-template-columns: 1fr 1fr; min-height: 600px; }
.about-number { background: var(--red); color: white; display: flex; align-items: baseline; justify-content: center; flex-wrap: wrap; align-content: center; padding: 60px; }
.about-number strong { font-size: clamp(120px, 18vw, 250px); font-weight: 300; line-height: .8; }
.about-number span { font-size: 26px; }
.about-number p { flex-basis: 100%; text-align: center; margin-top: 45px; font-size: 13px; }
.about-copy { padding: 100px 8vw; background: var(--paper); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.about-copy h2 { margin-bottom: 30px; }
.about-copy .text-link { margin-top: 45px; }

.trust-band { padding-top: 110px; padding-bottom: 110px; background: #fff; border-top: 1px solid var(--line-soft); }
.trust-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; margin-bottom: 56px; }
.trust-heading h2 { font-size: clamp(34px, 4vw, 58px); line-height: 1.3; font-weight: 400; margin: 0; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.trust-card { min-height: 240px; padding: 36px 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); }
.trust-card span { color: var(--red); font-size: 11px; font-weight: 600; letter-spacing: .12em; }
.trust-card h3 { margin: 28px 0 12px; font-size: 20px; font-weight: 500; }
.trust-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }

footer { background: #111; color: white; padding: 80px 7vw 28px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-end; padding-bottom: 70px; border-bottom: 1px solid #343434; }
.footer-top img { width: 135px; filter: none; }
.footer-top p { color: #888; font-size: 13px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; padding: 65px 0; }
.footer-links div { display: flex; flex-direction: column; align-items: flex-start; gap: 13px; }
.footer-links b { font-size: 12px; margin-bottom: 12px; }
.footer-links a, .footer-links span { color: #888; font-size: 12px; }
.footer-links a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; color: #606060; border-top: 1px solid #343434; padding-top: 25px; font-size: 10px; }

/* Package A: unified visual system */
.eyebrow,
.section-kicker,
.card-copy > span,
.dark-card-copy span,
.solution-list span,
.trust-card span,
.inquiry-section-head .section-kicker {
  color: var(--red);
  letter-spacing: .14em;
}

.intro h2,
.series-heading h2,
.solutions h2,
.support h2,
.about-copy h2,
.trust-heading h2,
.inquiry-section-head h2 {
  letter-spacing: 0;
}

.primary-button,
.dealer-link,
.inquiry-submit,
.language-toggle,
.inquiry-field input,
.inquiry-field select,
.inquiry-field textarea,
.inquiry-series-trigger,
.inquiry-series-panel,
.mega-feature,
.product-card,
.support-grid a,
.trust-card,
.inquiry-form {
  border-radius: 0;
}

.primary-button,
.dealer-link,
.inquiry-submit {
  background: var(--red);
  border-color: var(--red);
  box-shadow: none;
}

.primary-button:hover,
.inquiry-submit:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
}

.product-grid,
.series-tabs,
.support-grid,
.trust-grid,
.footer-top,
.footer-bottom {
  border-color: var(--line);
}

.series-section,
.about-copy,
.trust-card,
.mega-feature {
  background: var(--paper);
}

.product-card,
.support-grid a,
.trust-card {
  box-shadow: none;
}

.product-card:hover .switch-model,
.support-grid a:hover,
.solution-list a:hover {
  transform: none;
}

.support-grid a:hover,
.trust-card:hover {
  background: var(--paper-warm);
}

.site-header,
.site-header.scrolled,
.site-header.menu-open {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

@media (max-width: 1050px) {
  .dealer-link { display: none; }
  .site-header { grid-template-columns: 150px 1fr 150px; }
  .site-header .desktop-nav { gap: 28px; }
  .mega-inner { grid-template-columns: 1fr; overflow-y: auto; max-height: calc(100vh - 82px); }
  .mega-feature { display: none; }
  .mega-links { grid-template-columns: 1fr; }
  .intro, .intro-copy, .solutions, .support-heading { grid-template-columns: 1fr; gap: 40px; }
  .series-info { width: min(650px, 62%); }
  .support-inquiry-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-header {
    height: 68px;
    padding: 0 20px;
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "menu brand actions";
  }
  .mobile-nav-toggle {
    display: block;
    grid-area: menu;
    width: 44px;
    height: 44px;
    margin-left: -10px;
    flex-shrink: 0;
  }
  .brand {
    width: 95px;
    grid-area: brand;
    justify-self: center;
  }
  .site-header .desktop-nav { display: none; }
  .header-balance {
    display: flex;
    width: auto;
    grid-area: actions;
    justify-self: end;
  }
  .header-actions { gap: 16px; }
  .language-button, .icon-button { display: none; }
  .mobile-nav-panel {
    display: block;
    position: fixed;
    z-index: 49;
    top: 68px;
    left: 0;
    right: 0;
    margin: 0;
    padding: 10px 20px 18px;
    background: var(--header-bg-strong);
    border-bottom: 1px solid var(--header-line);
    backdrop-filter: blur(24px) saturate(118%);
    -webkit-backdrop-filter: blur(24px) saturate(118%);
  }
  .mobile-nav-panel[hidden] { display: none !important; }
  .mobile-nav-link {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0 4px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    color: rgba(255,255,255,.88);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: .06em;
  }
  .mobile-nav-link:last-child { border-bottom: 0; }
  .mobile-nav-link.is-active,
  .mobile-nav-link:active {
    color: white;
  }
  .mobile-nav-link.is-active::before {
    content: "";
    width: 3px;
    height: 14px;
    margin-right: 10px;
    background: var(--red);
  }
  .mega-menu, .search-panel { top: 68px; }
  .hero { min-height: 620px; height: 88vh; }
  .hero-image { object-position: 66% center; }
  .hero-shade {
    background:
      linear-gradient(90deg, rgba(0,0,0,.82) 0%, rgba(0,0,0,.56) 58%, rgba(0,0,0,.18) 100%),
      linear-gradient(0deg, rgba(0,0,0,.76) 0%, rgba(0,0,0,.28) 46%, rgba(0,0,0,.18) 100%);
  }
  .hero-content { left: 24px; right: 24px; top: 54%; max-width: 340px; }
  .hero h1 { font-size: 42px; }
  .hero-copy { max-width: 320px; font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-actions .primary-button { min-width: 148px; }
  .hero-meta { display: none; }
  .section-pad { padding-left: 24px; padding-right: 24px; }
  .intro { padding-top: 80px; padding-bottom: 60px; }
  .intro h2, .series-heading h2, .solutions h2, .support h2, .about-copy h2, .trust-heading h2, .inquiry-section-head h2 { font-size: 34px; }
  .product-grid { grid-template-columns: 1fr; padding-bottom: 80px; }
  .product-card { min-height: 440px; }
  .product-art { height: 350px; }
  .switch-model { width: 190px; }
  .dark-card-copy { padding: 40px 32px; }
  .series-section { padding-top: 80px; }
  .series-heading { grid-template-columns: 1fr; gap: 35px; padding-bottom: 55px; }
  .series-tabs { overflow-x: auto; padding: 0 24px; grid-template-columns: repeat(3, minmax(155px, 1fr)); }
  .series-visual {
    min-height: 0;
    display: flex;
    flex-direction: column;
    color: var(--ink);
    background: var(--paper);
  }
  .series-info,
  .series-visual[data-series="h"] .series-info {
    width: 100%;
    min-height: 0;
    margin-left: 0;
    padding: 28px 24px 32px;
    align-items: flex-start;
    text-align: left;
    color: var(--ink);
    text-shadow: none;
    position: relative;
  }
  .series-info::before,
  .series-visual[data-series="h"] .series-info::before {
    content: none;
  }
  .series-info > span { color: var(--red); }
  .series-info h3 {
    margin-top: 14px;
    color: var(--ink);
    font-size: 26px;
    max-width: none;
  }
  .series-info p {
    color: var(--muted);
    max-width: none;
  }
  .series-info .text-link { color: var(--ink); }
  .series-product {
    position: relative;
    inset: auto;
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: 0;
    flex-shrink: 0;
  }
  .series-real-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }
  .series-subline,
  .series-visual[data-series="h"] .series-subline { left: auto; right: 16px; bottom: 16px; }
  .floating-switch { width: 220px; }
  .solutions { padding-top: 85px; padding-bottom: 85px; }
  .solution-list a { grid-template-columns: 30px 1fr auto; padding: 20px 0; }
  .solution-list p { grid-column: 2; }
  .solution-list b { grid-column: 3; grid-row: 1 / span 2; }
  .support { padding-top: 85px; padding-bottom: 85px; }
  .support-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .support-grid a {
    min-height: 0;
    min-width: 0;
    padding: 22px 16px;
  }
  .support-grid svg { width: 28px; }
  .support-grid h3 { margin: 20px 0 8px; font-size: 18px; }
  .support-grid p { font-size: 12px; line-height: 1.55; }
  .support-grid span { margin-top: 16px; font-size: 11px; }
  .about-band { grid-template-columns: 1fr; }
  .about-number { min-height: 390px; }
  .about-copy { padding: 80px 24px; }
  .trust-band { padding-top: 85px; padding-bottom: 85px; }
  .trust-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 36px; }
  .trust-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust-card:nth-child(3) { grid-column: 1 / -1; }
  .trust-card {
    min-height: 0;
    min-width: 0;
    padding: 24px 18px;
  }
  .trust-card h3 { margin: 18px 0 8px; font-size: 17px; }
  .trust-card p { font-size: 12px; line-height: 1.6; }
  .inquiry-section { padding-top: 64px; padding-bottom: 64px; }
  .support-inquiry-layout { grid-template-columns: 1fr; }
  .support-inquiry-prep h3 { font-size: 22px; }
  .support-inquiry-prep li { padding: 12px 0; }
  .support-inquiry-prep li p { font-size: 12px; }
  .inquiry-form-grid { grid-template-columns: 1fr; }
  .support-inquiry-prep,
  .inquiry-section .inquiry-form { padding: 22px 20px; }
  .inquiry-series-panel.is-open {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    flex-direction: row;
  }
  .inquiry-series-panel.is-open.has-children-open {
    min-width: 0;
    max-width: 100%;
  }
  .inquiry-series-parent-list,
  .inquiry-series-child-list:not([hidden]) {
    flex: 1 1 50%;
    min-width: 0;
  }
  footer { padding: 60px 24px 25px; }
  .footer-top { display: block; }
  .footer-top p { margin-top: 25px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { display: block; line-height: 2.2; }
}

/* Package F: restrained motion and interaction */
:root {
  --motion-ease: cubic-bezier(.22, 1, .36, 1);
  --motion-fast: 180ms;
  --motion-base: 520ms;
}

.motion-ready .za-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--motion-base) var(--motion-ease) var(--reveal-delay, 0ms),
    transform var(--motion-base) var(--motion-ease) var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.motion-ready .za-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero .eyebrow,
.hero-meta span,
.series-info > span,
.trust-card span,
.support-grid span {
  position: relative;
}

.hero .eyebrow::after,
.series-info > span::after,
.trust-card span::after,
.support-grid span::after {
  content: "";
  display: block;
  width: 34px;
  height: 1px;
  margin-top: 10px;
  background: var(--red);
  transform: scaleX(.32);
  transform-origin: left center;
  transition: transform var(--motion-base) var(--motion-ease);
}

.motion-ready .za-reveal.is-visible.eyebrow::after,
.motion-ready .series-stage.za-reveal.is-visible .series-info > span::after,
.motion-ready .trust-card.za-reveal.is-visible span::after,
.motion-ready .support-grid a.za-reveal.is-visible span::after {
  transform: scaleX(1);
}

.primary-button,
.text-link,
.inquiry-submit,
.support-grid a,
.trust-card {
  transition:
    color var(--motion-fast) ease,
    background var(--motion-fast) ease,
    border-color var(--motion-fast) ease,
    transform var(--motion-fast) ease;
}

.primary-button:hover,
.inquiry-submit:hover {
  background: var(--red);
  border-color: var(--red);
  transform: translateY(-2px);
}

.text-link:hover {
  color: var(--red);
  gap: 18px;
  transform: translateY(-1px);
}

.support-grid a:hover,
.trust-card:hover {
  background: #fff;
  transform: translateY(-2px);
}

.series-visual.is-series-switching .series-info,
.series-visual.is-series-switching .series-product {
  animation: seriesSwitchFade 240ms var(--motion-ease);
}

@keyframes seriesSwitchFade {
  from {
    opacity: .72;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.inquiry-field input,
.inquiry-field select,
.inquiry-field textarea,
.inquiry-series-trigger {
  transition:
    border-color var(--motion-fast) ease,
    box-shadow var(--motion-fast) ease,
    background var(--motion-fast) ease;
}

.inquiry-field input:focus,
.inquiry-field select:focus,
.inquiry-field textarea:focus,
.inquiry-series-trigger:focus {
  border-color: var(--red);
  box-shadow: inset 3px 0 0 var(--red);
}

.inquiry-form.was-submitted input:invalid,
.inquiry-form.was-submitted select:invalid,
.inquiry-form.was-submitted textarea:invalid {
  border-color: var(--red);
  background: #fff8f8;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

  .motion-ready .za-reveal {
    opacity: 1;
    transform: none;
  }

  .primary-button:hover,
  .inquiry-submit:hover,
  .text-link:hover,
  .support-grid a:hover,
  .trust-card:hover {
    transform: none;
  }
}