.about-page {
  color: var(--ink);
  background: #fff;
}

.about-page *,
.about-page *::before,
.about-page *::after {
  box-sizing: border-box;
}

.about-page .c-shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.about-page h1,
.about-page h2,
.about-page h3 {
  color: var(--ink);
  letter-spacing: -.025em;
}

.about-page a {
  text-decoration: none;
}

.about-page a:focus-visible,
.about-page summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.about-hero,
.about-section,
.about-section-tint,
.about-text-section-dark,
.about-contact-section {
  background: #fff;
}

.about-hero-inner {
  padding-block: 72px 56px;
}

.about-intro-text {
  max-width: 1080px;
}

.about-intro-text h1 {
  margin: 0 0 24px;
  font-size: clamp(34px, 3.7vw, 52px);
  line-height: 1.14;
  font-weight: 800;
}

.about-intro-text p {
  max-width: 1040px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.75;
}

.about-intro-text .about-timing-note {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.65;
}

.about-intro-text strong {
  color: var(--ink);
  font-weight: 700;
}

.about-hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
  margin-top: 28px;
}

.about-hero-links a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  color: var(--green);
  font-size: 15px;
  font-weight: 700;
}

.about-hero-links a:hover,
.about-message-privacy a:hover {
  color: var(--blue);
}

.about-early-contact {
  position: relative;
  z-index: 2;
  padding-block: 34px;
  border-block: 1px solid var(--line);
  background: #fff;
}

.about-early-contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 36px;
}

.about-early-contact-inner > div > p {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}

.about-early-contact h2 {
  margin: 0;
  font-size: clamp(25px, 2.35vw, 34px);
  line-height: 1.2;
}

.about-early-contact-inner > div > span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.about-early-contact-menu {
  position: relative;
  min-width: 230px;
}

.about-early-contact-menu summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 50px;
  padding: 14px 18px;
  color: #fff;
  background: var(--green);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: .025em;
  cursor: pointer;
  list-style: none;
}

.about-early-contact-menu summary::-webkit-details-marker {
  display: none;
}

.about-early-contact-menu summary:hover,
.about-contact-actions a:hover {
  background: var(--blue);
}

.about-early-contact-popover {
  position: absolute;
  z-index: 5;
  top: calc(100% + 10px);
  right: 0;
  width: 290px;
  max-width: calc(100vw - 40px);
  padding: 12px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 12px 30px rgb(0 0 0 / 12%);
}

.about-early-contact-popover > a:not(.about-early-contact-form-link) {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.about-early-contact-popover > a:hover {
  color: var(--green);
}

.about-early-contact-popover img,
.about-early-contact-popover svg,
.about-contact-actions img,
.about-contact-actions svg {
  display: block;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.about-early-contact-popover img {
  padding: 3px;
  border-radius: 50%;
  background: var(--green);
}

.about-early-contact-form-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 8px;
  padding: 14px 12px 6px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
}

.about-section {
  padding-block: 64px;
}

.about-feasibility,
.about-manufacturing {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 56px;
}

.about-feasibility-copy,
.about-manufacturing-copy {
  min-width: 0;
}

.about-feasibility-copy h2,
.about-manufacturing-copy h2 {
  margin: 0;
  font-size: clamp(30px, 2.75vw, 40px);
  line-height: 1.2;
}

.about-feasibility-copy p,
.about-manufacturing-copy p {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.about-manufacturing-copy .about-manufacturing-note {
  margin-top: 18px;
  color: var(--ink);
}

.about-manufacturing-note strong {
  font-weight: 700;
}

.about-feasibility-media,
.about-manufacturing-media {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  margin: 0;
}

.about-feasibility-media img,
.about-manufacturing-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

#about-manufacturing,
#about-quality-inspection,
.about-text-section-dark,
.about-contact-section {
  border-top: 1px solid var(--line);
}

#about-manufacturing .about-manufacturing-media img {
  width: auto;
  max-height: 500px;
  object-fit: contain;
}

.about-text-copy {
  max-width: 1100px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.75;
}

.about-section-head {
  max-width: 1040px;
  margin-bottom: 36px;
}

.about-section-head h2 {
  margin: 0;
  font-size: clamp(32px, 3vw, 44px);
  line-height: 1.18;
}

.about-section-head > span {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.about-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.about-contact-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  padding: 12px 22px;
  color: #fff;
  background: var(--green);
  font-size: 14px;
  font-weight: 700;
}

.about-contact-actions img {
  filter: brightness(0) invert(1);
}

.about-contact-paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.about-contact-paths article {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  padding: 30px;
  border: 1px solid var(--line);
  background: #fff;
}

.about-contact-paths h3,
.about-message-intro h3 {
  margin: 0;
  font-size: 28px;
  line-height: 1.22;
}

.about-contact-paths p,
.about-message-intro p {
  margin: 16px 0 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.about-contact-paths a {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 100%;
  min-height: 46px;
  margin-top: auto;
  padding: 12px 16px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

.about-contact-paths a:hover {
  border-color: var(--green);
  color: var(--green);
}

.about-message-block {
  display: grid;
  grid-template-columns: minmax(240px, .68fr) minmax(0, 1.32fr);
  margin-top: 28px;
  border: 1px solid var(--line);
  background: #fff;
  scroll-margin-top: 110px;
}

.about-message-intro {
  padding: 34px 30px;
  border-right: 1px solid var(--line);
}

.about-message-intro p {
  margin-bottom: 0;
}

.about-message-form {
  min-width: 0;
  padding: 32px;
}

.about-message-preview-note {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.about-message-form fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.about-message-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.about-message-fields label {
  display: grid;
  min-width: 0;
  gap: 8px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
}

.about-message-wide {
  grid-column: 1 / -1;
}

.about-message-fields input,
.about-message-fields textarea {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  background: #fff;
  font: inherit;
  font-weight: 400;
  line-height: 1.5;
  opacity: 1;
  -webkit-text-fill-color: var(--ink);
}

.about-message-fields textarea {
  display: block;
  resize: vertical;
}

.about-message-fields input:disabled,
.about-message-fields textarea:disabled {
  cursor: not-allowed;
}

.about-message-upload {
  min-width: 0;
  padding: 16px;
  border: 1px dashed var(--line);
}

.about-message-upload > label {
  display: block;
}

.about-message-upload small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.65;
}

.about-message-upload input[type="file"] {
  display: block;
  min-height: 0;
  margin-block: 12px;
  padding: 0;
  border: 0;
  color: var(--muted);
  font-size: 12px;
  -webkit-text-fill-color: var(--muted);
}

.about-message-upload input[type="file"]::file-selector-button {
  margin-right: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  background: #fff;
  font: inherit;
  cursor: not-allowed;
}

.about-message-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-height: 50px;
  margin-top: 24px;
  padding: 12px 24px;
  border: 0;
  color: #fff;
  background: var(--green);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.about-message-submit:disabled {
  cursor: not-allowed;
  opacity: .6;
}

.about-message-privacy {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.about-message-privacy a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 980px) {
  .about-feasibility,
  .about-manufacturing {
    gap: 32px;
  }

  .about-early-contact-inner {
    gap: 24px;
  }

  .about-message-block {
    grid-template-columns: 1fr;
  }

  .about-message-intro {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .about-hero-inner {
    padding-block: 48px 40px;
  }

  .about-intro-text h1 {
    font-size: clamp(30px, 6.5vw, 40px);
  }

  .about-early-contact-inner,
  .about-feasibility,
  .about-manufacturing,
  .about-contact-paths,
  .about-message-fields {
    grid-template-columns: 1fr;
  }

  .about-early-contact-menu {
    width: min(100%, 320px);
    min-width: 0;
  }

  .about-early-contact-popover {
    right: auto;
    left: 0;
    width: 100%;
  }

  .about-section {
    padding-block: 44px;
  }

  .about-feasibility,
  .about-manufacturing {
    gap: 28px;
  }

  #about-manufacturing .about-manufacturing-media img {
    max-height: 460px;
  }

  .about-contact-paths {
    gap: 20px;
  }

  .about-contact-paths article,
  .about-message-intro,
  .about-message-form {
    padding: 26px 22px;
  }

  .about-message-wide {
    grid-column: auto;
  }
}

@media (max-width: 420px) {
  .about-page .c-shell {
    width: calc(100% - 32px);
  }

  .about-hero-links {
    gap: 16px;
  }

  .about-hero-links a {
    font-size: 14px;
  }

  .about-contact-actions a {
    flex: 1 1 0;
    padding-inline: 14px;
  }

  .about-contact-paths h3,
  .about-message-intro h3 {
    font-size: 25px;
  }

  .about-contact-paths a,
  .about-message-submit {
    width: 100%;
  }

  .about-early-contact-popover {
    max-width: calc(100vw - 32px);
  }
}