:root {
  --brand: #1a73e8;
  --brand-dark: #1256b5;
  --brand-soft: #e8f1fd;
  --page: #ffffff;
  --wash: #f5f7fb;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --shadow: 0 24px 60px rgba(26, 115, 232, 0.12);
  --radius: 1.35rem;
  --font: Inter, "Noto Sans SC", "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  color: var(--muted);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: clip;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, p, figure, ul, ol { margin: 0; }

a { color: var(--brand-dark); }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  background: #fff;
  color: var(--ink);
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
}

.skip:focus { top: 0.75rem; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: min(1160px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.page { padding: 2.5rem 0 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
}

.logo-img {
  width: auto;
  height: 36px;
  max-width: none;
  flex-shrink: 0;
}

.logo-name { white-space: nowrap; }

.nav-main {
  display: flex;
  gap: 1.4rem;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.nav a[aria-current="page"] { color: var(--brand-dark); }

.tools {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  margin-left: auto;
}

.langs { position: relative; }

.lang-toggle {
  list-style: none;
  cursor: pointer;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.35rem 0.75rem 0.35rem 0.85rem;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.lang-toggle::-webkit-details-marker { display: none; }

.lang-toggle::after {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-0.1rem);
}

.langs[open] .lang-toggle::after { transform: rotate(225deg) translateY(-0.05rem); }

.lang-drop {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  min-width: 8.5rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.4rem;
  display: grid;
  gap: 0.2rem;
  box-shadow: var(--shadow);
  z-index: 50;
}

.lang {
  display: block;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.45rem 0.7rem;
  border-radius: 0.65rem;
  white-space: nowrap;
}

.lang:hover { background: var(--wash); color: var(--ink); }

.lang.is-on {
  color: var(--brand-dark);
  background: var(--brand-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.85rem 1.35rem;
  border: 0;
  box-shadow: 0 10px 24px rgba(26, 115, 232, 0.22);
}

.btn:hover { background: var(--brand-dark); }

.btn-ghost {
  background: #fff;
  color: var(--brand-dark);
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn-ghost:hover { background: var(--brand-soft); }

.btn-header { padding: 0.5rem 0.95rem; font-size: 0.92rem; box-shadow: none; }

.btn-wide { width: 100%; }

.menu { display: none; position: relative; }

.menu-toggle {
  list-style: none;
  cursor: pointer;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 0.6rem;
  padding: 0.35rem 0.55rem;
}

.nav-drop {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.7rem;
  min-width: 14rem;
  display: grid;
  gap: 0.45rem;
  box-shadow: var(--shadow);
}

.hero-screen {
  padding: 4rem 0 3.2rem;
  background:
    radial-gradient(1200px 420px at 50% -10%, rgba(26, 115, 232, 0.1), transparent 70%),
    #fff;
}

.hero-copy {
  max-width: 46rem;
  margin: 0 auto 2.6rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  color: var(--brand-dark);
  background: var(--brand-soft);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  padding: 0.28rem 0.8rem;
  border-radius: 999px;
}

.title {
  color: var(--ink);
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  line-height: 1.2;
  letter-spacing: -0.035em;
  margin: 0.55rem 0 0.75rem;
}

.alt-title {
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.9rem;
}

.lead { font-size: 1.08rem; max-width: 40rem; }

.page .lead { max-width: 46rem; }

.dl-kicker {
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 700;
  margin: 1.15rem 0 0;
}

.hero-copy .lead { margin-inline: auto; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.4rem 0 0;
}

.hero-copy .actions { justify-content: center; }

.meta { font-size: 0.92rem; }

.shot {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 0.25rem);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-figure {
  max-width: 1080px;
  margin: 0 auto;
}

.hero-figure img {
  width: 100%;
  height: auto;
}

.shot img,
.card img { width: 100%; height: auto; }

.card img {
  border-radius: 0.9rem;
  border: 1px solid var(--line);
}

.band { background: #fff; }

.band-gray { background: var(--wash); }

.why-band {
  background: linear-gradient(180deg, #f7fbff 0%, #fff 70%);
}

.why-band .wrap {
  width: min(1280px, calc(100% - 2rem));
}

.why-head {
  text-align: center;
  margin-bottom: 2rem;
}

.why-head .heading {
  margin-top: 0.9rem;
  font-size: clamp(1.55rem, 3.2vw, 2.15rem);
}

.why-head .intro {
  margin: 0.8rem auto 0;
  max-width: 40rem;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.why-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 0.7rem;
  align-items: center;
  padding: 1rem 0.85rem 1rem 1.05rem;
  border: 0;
  border-radius: 1.4rem;
  box-shadow: none;
  min-width: 0;
}

.why-card--quote { background: #e8f1ff; --why-check: #2563eb; }
.why-card--kline { background: #e7f8ef; --why-check: #16a34a; }
.why-card--tools { background: #fff0e4; --why-check: #f97316; }

.why-copy h3 {
  color: var(--ink);
  font-size: 1.05rem;
  margin: 0.7rem 0 0.4rem;
}

.why-copy p { font-size: 0.88rem; }

.why-mark {
  width: 2.5rem;
  height: 2.5rem;
  display: block;
}

.why-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: grid;
  gap: 0.42rem;
}

.why-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.35;
}

.why-list li::before {
  content: "✓";
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
  margin-top: 0.05rem;
  border-radius: 50%;
  background: var(--why-check);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1.05rem;
  text-align: center;
}

.why-shot { margin: 0; min-width: 0; }

.why-shot img {
  width: 100%;
  height: auto;
  border: 0;
  border-radius: 1rem;
}

.section { padding: 4.4rem 0; }

.heading {
  color: var(--ink);
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.03em;
}

.intro { margin: 0.75rem 0 1.8rem; max-width: 46rem; }

.feature-prose {
  max-width: 46rem;
  margin: 0.15rem 0 0.6rem;
}

.feature-prose p {
  margin: 0 0 1.15rem;
  font-size: 1.05rem;
  line-height: 1.75;
}

.feature-prose p:last-child { margin-bottom: 0; }

.about-intro { margin-top: 1.15rem; }

.about-block {
  max-width: 46rem;
  margin: 2.6rem 0 0;
  padding-bottom: 0.4rem;
}

.about-block .heading {
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  margin-bottom: 1rem;
}

.about-offers {
  display: grid;
  gap: 1.05rem;
}

.about-offer {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.15rem 1.2rem 1.05rem;
}

.about-offer h3 {
  color: var(--ink);
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
}

.about-offer p { margin: 0; line-height: 1.7; }

.about-note {
  margin-top: 0.7rem !important;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
}

.page .about-block:last-of-type { margin-bottom: 3.2rem; }

#contact { scroll-margin-top: 5.8rem; }

.updated {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0.2rem 0 1.15rem;
}

.legal-block {
  max-width: 46rem;
  margin: 2.2rem 0 0;
}

.legal-block:last-of-type { margin-bottom: 3.2rem; }

.legal-block .heading {
  font-size: clamp(1.2rem, 2.4vw, 1.45rem);
  margin-bottom: 0.85rem;
}

.legal-block h3 {
  color: var(--ink);
  font-size: 1.02rem;
  margin: 1.1rem 0 0.5rem;
}

.legal-block p {
  margin: 0 0 0.85rem;
  line-height: 1.75;
}

.legal-block .list { margin: 0.35rem 0 1rem; }

.legal-block .contact-card { margin-top: 0.4rem; }

.contact-card {
  display: block;
  font-style: normal;
  margin: 1.2rem 0 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.15rem 1.2rem 0.95rem;
}

.contact-card dl {
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.contact-card dl div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
}

.contact-card dt {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.contact-card dd {
  margin: 0;
  color: var(--ink);
}

.grid-3,
.grid-4 {
  display: grid;
  gap: 1.25rem;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.04);
}

.card h3,
.card-title {
  color: var(--ink);
  font-size: 1.12rem;
  margin: 0.85rem 0 0.4rem;
}

.card .en {
  color: var(--brand-dark);
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 0.85rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.4rem;
  align-items: center;
  padding: 1.8rem 0;
}

.split .copy .heading { margin: 0 0 0.75rem; }
.split .copy p { margin: 0 0 0.85rem; }

.points-label {
  color: var(--ink);
  font-weight: 700;
  margin: 1.05rem 0 0.45rem;
}

.feature-points {
  --why-check: #1a73e8;
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.feature-points li {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.5;
}

.feature-points li::before {
  content: "✓";
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
  margin-top: 0.12rem;
  border-radius: 50%;
  background: var(--why-check);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  line-height: 1.15rem;
  text-align: center;
}

.feature-points span { font-weight: 700; }

.feature-points--dots {
  gap: 0.95rem;
}

.feature-points--dots li {
  display: grid;
  grid-template-columns: 0.7rem 1fr;
  column-gap: 0.6rem;
  align-items: start;
}

.feature-points--dots li::before {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  margin-top: 0.38rem;
  border-radius: 50%;
  background: var(--why-check);
}

.feature-points--dots span,
.feature-points--dots p {
  grid-column: 2;
}

.feature-points--dots p {
  margin: 0.2rem 0 0;
  font-size: 0.92rem;
  font-weight: 400;
  color: #5b6573;
}

.feature-points .tone-green { --why-check: #22c55e; }
.feature-points .tone-blue { --why-check: #3b82f6; }
.feature-points .tone-orange { --why-check: #f97316; }
.feature-points .tone-purple { --why-check: #8b5cf6; }

.split:nth-of-type(even) .copy { order: 2; }

.index {
  display: inline-flex;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.85rem;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.platform-board {
  background: #fff;
  border-radius: 1.5rem;
  padding: 2.6rem 1.2rem 2.8rem;
  margin-top: 1.6rem;
}

.platform-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.15rem;
}

.platform-row + .platform-row { margin-top: 1.15rem; }

.platform-tile {
  position: relative;
  width: 11.8rem;
  height: 11.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid #2a2a2a;
  border-radius: 1.35rem;
  background: #0a0a0a;
  color: #f4f4f4;
  text-align: center;
  overflow: visible;
}

.platform-face {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  width: 100%;
  height: 100%;
  padding: 1.2rem 0.8rem 1rem;
}

.platform-face svg {
  width: 3.15rem;
  height: 3.15rem;
  margin-bottom: 0.35rem;
}

.platform-pop {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 0.7rem;
  padding: 1.15rem 0.95rem;
  border-radius: inherit;
  background: #2a2a2e;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.platform-tile:hover .platform-pop,
.platform-tile:focus-within .platform-pop,
.platform-tile.is-open .platform-pop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.platform-opt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 2.55rem;
  border-radius: 999px;
  color: #f3f4f6;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  background: #111111;
  transition: background 0.15s ease;
}

.platform-opt--primary {
  background: linear-gradient(90deg, #3aa0ff 0%, #4b6bff 52%, #6a3dff 100%);
}

.platform-opt--ghost:hover,
.platform-opt--ghost:focus-visible {
  background: linear-gradient(90deg, #3aa0ff 0%, #4b6bff 52%, #6a3dff 100%);
}

.platform-pop:has(.platform-opt--ghost:hover) .platform-opt--primary,
.platform-pop:has(.platform-opt--ghost:focus-visible) .platform-opt--primary {
  background: #111111;
}

.opt-ico {
  width: 0.95rem;
  height: 0.95rem;
  flex-shrink: 0;
}

.platform-name {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.platform-meta {
  color: #8d8d8d;
  font-size: 0.92rem;
}

.platform-badge {
  display: none;
  position: absolute;
  top: -0.72rem;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  color: #3b82f6;
  border: 1px solid #2a2a2a;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.18rem 0.7rem;
  white-space: nowrap;
}

.platform-tile.is-current .platform-badge {
  display: inline-flex;
  z-index: 3;
}

.faq {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 0.2rem 1.1rem;
  margin-bottom: 0.75rem;
}

.faq-q {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
  padding: 1rem 1.6rem 1rem 0;
  list-style: none;
  position: relative;
}

.faq-q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0.9rem;
  color: var(--brand);
  font-size: 1.2rem;
  line-height: 1;
}

.faq[open] .faq-q::after { content: "–"; }

.faq-q::-webkit-details-marker,
.menu-toggle::-webkit-details-marker,
summary::-webkit-details-marker { display: none; }

.faq-a { padding: 0 0 1rem; }

.cta {
  background: linear-gradient(180deg, #fff, var(--brand-soft));
  border: 1px solid #d7e6fb;
  border-radius: calc(var(--radius) + 0.15rem);
  padding: 3rem 1.6rem;
  text-align: center;
  margin: 0 auto 4rem;
}

.cta .title { margin-bottom: 0.65rem; }

.cta .lead { margin-inline: auto; }

.cta .actions { justify-content: center; }

.crumbs { margin-bottom: 1.2rem; font-size: 0.92rem; }

.crumbs-list { display: flex; gap: 0.4rem; padding: 0; list-style: none; }

.row { display: flex; gap: 0.4rem; }

.ink { color: var(--ink); }

.note {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}

.page .note { margin-top: 1.6rem; }

.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  margin-top: 1rem;
}

.foot {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
  padding: 2.2rem 0;
}

.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
  margin-bottom: 0.15rem;
}

.foot-logo {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.brand { color: var(--ink); font-weight: 800; }

.foot .meta {
  max-width: 28rem;
  line-height: 1.65;
  margin-top: 0.55rem;
}

.foot .meta + .meta { margin-top: 0.7rem; }

.label {
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.link-list { list-style: none; padding: 0; }

.link-list a, .link { text-decoration: none; }

.note-band {
  background: var(--wash);
  border-top: 1px solid var(--line);
}

.fineprint {
  padding: 1.1rem 0 1.5rem;
  font-size: 0.88rem;
}

.space { margin-top: 0.7rem; }

.list { padding-left: 1.2rem; }

.list a { font-weight: 700; }

.page-dl {
  padding: 1.4rem 0 0;
  background:
    linear-gradient(180deg, #f7fbff 0%, #ffffff 38%, #f4f8ff 100%);
}

.page-dl .crumbs { margin-bottom: 0.4rem; }

.dl-hero { padding: 0.6rem 0 1.4rem; }

.dl-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 2.4rem;
  align-items: center;
}

.dl-copy .title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.7rem, 3.4vw, 2.45rem);
}

.dl-en {
  color: var(--brand);
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 1rem;
}

.dl-copy p {
  max-width: 38rem;
  margin: 0 0 0.85rem;
  font-size: 1.02rem;
  line-height: 1.75;
}

.dl-support {
  color: var(--ink);
  font-weight: 700;
  font-size: 0.92rem;
  margin: 1.05rem 0 1.35rem;
}

.dl-figure {
  position: relative;
  margin: 0;
}

.dl-figure img {
  width: 100%;
  height: auto;
  border-radius: 1.25rem;
  box-shadow: 0 24px 50px rgba(15, 23, 42, 0.12);
}

.dl-shot-tag {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  z-index: 1;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
}

.dl-figure figcaption {
  margin-top: 0.55rem;
  font-size: 0.8rem;
}

.dl-packs { padding: 0.4rem 0 0.6rem; scroll-margin-top: 5.8rem; }

.page-dl .platform-board { margin-top: 0; }

.platform-row--5 { flex-wrap: nowrap; }

.platform-row--5 .platform-tile {
  width: 10.4rem;
  height: 10.4rem;
  flex: 0 0 auto;
}

.page-dl .note {
  margin: 0.4rem auto 0;
}

.page-dl .section {
  padding-top: 2.6rem;
  padding-bottom: 3.2rem;
}

.page-dl #faq { scroll-margin-top: 5.8rem; }

.page-dl .section .dl-en { margin: 0.2rem 0 0.7rem; }

@media (max-width: 1100px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-card { max-width: 40rem; margin-inline: auto; width: 100%; }
}

@media (max-width: 640px) {
  .why-card { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav-main, .btn-header { display: none; }
  .menu { display: block; }
  .logo-img { height: 32px; }
  .split, .grid-3, .grid-4, .foot, .why-grid {
    grid-template-columns: 1fr;
  }
  .why-card { max-width: 38rem; margin-inline: auto; width: 100%; }
  .split:nth-of-type(even) .copy { order: 0; }
  .hero-screen { padding-top: 2.2rem; }
  .section { padding: 3rem 0; }
  .hero-copy .actions { justify-content: center; }
  .platform-tile { width: 9.6rem; height: 9.6rem; }
  .platform-board { padding: 1.8rem 0.8rem 2rem; }
  .dl-hero-grid { grid-template-columns: 1fr; }
  .platform-row--5 { flex-wrap: wrap; }
  .contact-card dl div { grid-template-columns: 1fr; gap: 0.15rem; }
}