@font-face {
  font-family: "AMG Manrope";
  src: url("./fonts/manrope.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: "AMG Noto Sans SC";
  src: url("./fonts/noto-sans-sc.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

.amg-home {
  font-family: "AMG Manrope", "AMG Noto Sans SC", var(--font);
}

.amg-home .product-name {
  margin: 0 0 19px -.02em;
  font-size: clamp(76px, 8.5vw, 116px);
  font-weight: 670;
  line-height: .99;
  letter-spacing: -.055em;
}

.amg-home .product-title {
  font-size: clamp(33px, 3.85vw, 56px);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -.022em;
}

.amg-home .hero-copy h1 .product-platform {
  display: inline;
  font-size: .96em;
  font-weight: 610;
  letter-spacing: -.038em;
}

.amg-home .hero-copy > p {
  max-width: 27em;
  margin-top: 23px;
  font-size: 17px;
  line-height: 1.85;
}

.amg-home .hero-copy .device-note {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.6;
}

.amg-home .hero-actions .button {
  font-size: 15px;
  font-weight: 600;
}

.amg-home .feature-intro h2,
.amg-home .guide-band h2 {
  font-size: clamp(29px, 3.45vw, 48px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.025em;
}

.feature-item {
  border-bottom: 1px solid var(--line);
}

.feature-item[open] { background: #1b1b1b; }

.feature-item > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 26px;
  align-items: center;
  gap: 20px;
  min-height: 100px;
  padding: 19px 23px;
  list-style: none;
  cursor: pointer;
  transition: background-color .16s;
}

.feature-item > summary::-webkit-details-marker { display: none; }
.feature-item > summary:hover { background: #202020; }
.feature-item > summary:focus-visible { outline: 2px solid var(--ink); outline-offset: -3px; }
.feature-summary { display: grid; gap: 4px; }

.feature-name {
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 570;
  line-height: 1.5;
  letter-spacing: -.014em;
}

.feature-blurb {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.disclosure-mark {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  color: var(--muted);
}

.disclosure-mark::before,
.disclosure-mark::after {
  grid-area: 1 / 1;
  width: 13px;
  height: 1px;
  content: "";
  background: currentColor;
}

.disclosure-mark::after { transform: rotate(90deg); transition: transform .18s; }
.feature-item[open] .disclosure-mark::after { transform: rotate(0); }

.feature-notes { margin: 0 23px; padding: 10px 0 19px; border-top: 1px solid var(--line); }
.feature-notes > div { display: grid; grid-template-columns: 6.5em minmax(0, 1fr); gap: 12px; padding: 7px 0; font-size: 14px; line-height: 1.75; }
.feature-notes dt { font-weight: 550; }
.feature-notes dd { color: var(--muted); }

.amg-home .feature-intro p,
.amg-home .guide-band p {
  font-size: 16px;
  line-height: 1.8;
}

.guide-links a { min-height: 78px; padding-block: 14px; }
.guide-link-copy { display: grid; gap: 3px; }
.guide-link-copy strong { font-size: 17px; font-weight: 550; line-height: 1.5; }
.guide-link-copy > span { color: var(--muted); font-size: 14px; line-height: 1.7; }
.guide-link-arrow { flex: none; color: var(--muted); font-size: 20px; transition: transform .16s; }
.guide-links a:hover .guide-link-copy strong { text-decoration: underline; text-underline-offset: .35em; }
.guide-links a:hover .guide-link-arrow { transform: translateX(3px); }

@media (max-width: 820px) {
  .amg-home .product-name { font-size: clamp(69px, 12vw, 92px); }
  .amg-home .hero-copy > p { font-size: 16px; }
}

@media (max-width: 620px) {
  .amg-home .product-name { font-size: clamp(66px, 17.5vw, 86px); margin-bottom: 15px; }
  .amg-home .product-title { font-size: clamp(32px, 8.35vw, 42px); }
  .amg-home .hero-copy > p { margin-top: 17px; }
  .amg-home .hero-copy .device-note { font-size: 13px; margin-top: 12px; }
  .amg-home .hero-actions .button { font-size: 14px; }
  .feature-item > summary { min-height: 88px; gap: 13px; padding: 16px; }
  .feature-blurb { font-size: 14px; }
  .feature-notes { margin-inline: 16px; padding-bottom: 14px; }
  .feature-notes > div { grid-template-columns: 5.5em minmax(0, 1fr); gap: 8px; }
  .guide-links a { min-height: 74px; }
}
