.landing-page {
  min-height: 100vh;
  background: #f5f7fa;
}
.landing-page figure {
  margin: 0;
}
.landing-page a:focus-visible,
.landing-page button:focus-visible {
  outline: 3px solid #1768cb;
  outline-offset: 5px;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 16px;
  z-index: 100;
  padding: 12px 18px;
  background: white;
  color: #25496b;
  border-radius: 8px;
  transform: translateY(-150%);
}
.skip-link:focus {
  transform: none;
}
.landing-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  height: 82px;
  padding: 0 max(28px, calc((100vw - 1280px) / 2));
  gap: 24px;
}
.landing-topbar .brand {
  flex-shrink: 0;
}
.landing-nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
  color: #596d83;
  font-size: 13px;
}
.landing-nav a:hover,
.hero-guide-link:hover {
  color: #175ba4;
}
.landing-topbar > .button {
  min-height: 42px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}
.landing-languages {
  display: flex;
  gap: 2px;
}
.landing-languages button {
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #596d83;
  font: inherit;
  font-size: 11px;
  padding: 7px;
  cursor: pointer;
}
.landing-languages button[aria-pressed=true] {
  color: #18558b;
  background: #e6eef7;
}
.landing-hero {
  max-width: 1320px;
  margin: auto;
  padding: 62px 40px 72px;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 68px;
  align-items: center;
}
.hero-copy .eyebrow,
.landing-section > .eyebrow,
.section-heading .eyebrow,
.landing-bottom-cta .eyebrow {
  font-size: 10px;
  line-height: 1.7;
  letter-spacing: 1.8px;
  color: #637d96;
}
.hero-copy h1 {
  color: #253a52;
  font-size: clamp(48px, 5.6vw, 76px);
  letter-spacing: -3.5px;
  font-weight: 650;
  line-height: 1.05;
  margin: 26px 0;
}
.hero-copy h1 em {
  color: #66819b;
  font-style: normal;
  font-weight: 450;
}
.hero-description {
  color: #5b6e83;
  font-size: 17px;
  line-height: 1.8;
  max-width: 450px;
  margin-bottom: 30px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding: 15px 22px;
  font-size: 14px;
  min-height: 52px;
}
.hero-guide-link {
  font-size: 13px;
  color: #526d87;
  line-height: 1.6;
}
.hero-guide-link span {
  margin-left: 8px;
}
.hero-facts {
  display: flex;
  gap: 18px;
  font-size: 11px;
  color: #657a90;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
  flex-wrap: wrap;
}
.hero-facts li + li::before {
  content: "\b7";
  margin-right: 18px;
}
.hero-preview {
  min-width: 0;
  overflow: hidden;
  border: 1px solid #dfd8cd;
  border-radius: 24px;
  background: #eee6d9;
  box-shadow: 0 18px 50px #5b4b3010;
}
.hero-lamp-photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1154 / 1300;
}
.hero-preview figcaption {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 18px;
  background: #fffdf8;
  color: #5e635e;
  font-size: 10px;
  line-height: 1.6;
}
.capture-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4f8a73;
  flex-shrink: 0;
}
.capture-mode {
  margin-left: auto;
  color: #797d73;
}
.landing-section {
  width: min(1200px, calc(100% - 80px));
  margin: 0 auto;
  padding: 72px 0;
  scroll-margin-top: 100px;
}
.landing-idea {
  border-top: 1px solid #dce4ee;
}
.idea-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 90px;
  align-items: start;
  margin-top: 25px;
}
.landing-section h2,
.landing-bottom-cta h2 {
  font-size: clamp(30px, 3.7vw, 46px);
  line-height: 1.15;
  letter-spacing: -1.6px;
  color: #293f57;
  font-weight: 550;
  margin: 0;
}
.idea-copy p,
.section-heading > p {
  font-size: 15px;
  line-height: 1.8;
  color: #5b6e83;
  margin: 0 0 16px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 56px;
  margin-bottom: 36px;
}
.section-heading > p {
  max-width: 345px;
  margin-bottom: 3px;
}
.section-heading .eyebrow {
  margin: 0 0 20px;
}
.studio-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.studio-gallery figure {
  min-width: 0;
}
.studio-gallery a {
  display: block;
  border: 1px solid #dbe4ee;
  border-radius: 14px;
  overflow: hidden;
  background: #edf2f8;
}
.studio-gallery img {
  display: block;
  width: 100%;
  height: auto;
}
.studio-gallery figcaption {
  padding: 18px 2px 0;
  display: grid;
  gap: 7px;
  color: #52697e;
  font-size: 12px;
  line-height: 1.65;
}
.studio-gallery figcaption strong {
  color: #30475b;
  font-size: 16px;
  font-weight: 600;
}
.capture-note,
.export-note {
  color: #687b8d;
  font-size: 12px;
  line-height: 1.7;
  margin: 25px 0 0;
}
.landing-features {
  border-top: 1px solid #dce4ee;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 44px;
}
.feature-grid article {
  padding: 32px 0;
  border-top: 1px solid #dce4ee;
}
.feature-category {
  font-size: 10px;
  letter-spacing: 1.6px;
  font-weight: 600;
  color: #687e95;
}
.feature-grid h3 {
  color: #30475b;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -.4px;
  line-height: 1.35;
  margin: 15px 0 12px;
}
.feature-grid p {
  color: #5d7084;
  font-size: 13px;
  line-height: 1.8;
  margin: 0;
}
.export-note {
  padding: 18px 22px;
  background: #eaf0f6;
  border-radius: 10px;
}
.landing-bottom-cta {
  text-align: center;
  padding: 76px 24px 90px;
  background: #eaf0f5;
  border-top: 1px solid #dce5ee;
}
.landing-bottom-cta h2 {
  margin: 20px 0 30px;
}
.landing-bottom-cta .hero-actions {
  justify-content: center;
}
.landing-page .footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 28px 24px;
  color: #657a90;
  border-color: #e1e7f0;
  font-size: 11px;
}
.landing-page .footer a {
  color: #496b8b;
}
.guide-index {
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
  padding: 24px;
  border-bottom: 1px solid #dce4ee;
  color: #526d87;
  font-size: 12px;
}
.instructions-heading {
  width: min(1060px, calc(100% - 40px));
  margin: auto;
  padding: 64px 0 0;
}
.instructions-heading h1 {
  font-size: clamp(30px, 4vw, 46px);
  color: #293f57;
  letter-spacing: -1.5px;
  font-weight: 550;
}
.instructions-heading > p:last-child {
  color: #5b6e83;
  font-size: 16px;
}
.guide-page .help-wrap {
  padding-top: 0;
}
.guide-page .help-section {
  scroll-margin-top: 110px;
}
.guide-page .help-section > p,
.guide-page .help-columns p,
.guide-page .help-columns li {
  color: #5b6e83;
}
.guide-page .help-step,
.guide-page .help-mode,
.guide-page .help-note,
.guide-page .fit-choice {
  background: #fff;
  border-color: #dde5ef;
  border-radius: 16px;
}
.guide-page .help-step p,
.guide-page .help-mode p,
.guide-page .help-note p,
.guide-page .fit-choice p {
  color: #5b6e83;
}
.guide-page .help-mode h3,
.guide-page .help-note strong,
.guide-page .fit-choice h3 {
  color: #3c618b;
}
.guide-page .help-step .step-n {
  background: #e8f0fb;
  color: #326fae;
}
.guide-page .fit-choice svg {
  background: #172131;
  border-radius: 12px;
}
.guide-page .experimental-note {
  margin: 22px 0 0;
  padding: 12px 16px;
  border: 1px solid #e3a33b66;
  border-left: 4px solid #d98a12;
  border-radius: 12px;
  background: #fff6e6;
  color: #6b4508;
  line-height: 1.7;
}
.landing-ribs {
  width: min(1060px, calc(100% - 40px));
  margin: 0 auto 64px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 40px;
  background: #eaf0f5;
  border: 1px solid #dce5ee;
  border-radius: 20px;
  scroll-margin-top: 110px;
}
.landing-ribs h2 {
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -1px;
  color: #293f57;
}
.landing-ribs p {
  color: #5b6e83;
  line-height: 1.8;
}
.rib-limit {
  display: flex;
  align-items: center;
  gap: 18px;
}
.rib-limit strong {
  font-size: 26px;
  white-space: nowrap;
}
.rib-limit span {
  font-size: 13px;
}
.rib-section-figure {
  text-align: center;
}
.rib-section-figure svg {
  width: 100%;
  height: auto;
}
.rib-section-figure figcaption {
  font-size: 11px;
  line-height: 1.7;
  color: #637187;
}
@media (max-width: 1100px) {
  .landing-topbar {
    padding: 0 24px;
    gap: 16px;
  }
  .landing-nav {
    gap: 16px;
  }
  .landing-hero {
    gap: 36px;
    padding: 45px 32px 55px;
  }
  .hero-copy h1 {
    letter-spacing: -2.5px;
  }
  .hero-description {
    font-size: 15px;
  }
  .hero-preview figcaption {
    flex-wrap: wrap;
  }
  .capture-mode {
    display: none;
  }
  .idea-layout {
    gap: 45px;
  }
  .feature-grid {
    gap: 0 28px;
  }
}
@media (max-width: 760px) {
  .landing-topbar {
    height: auto;
    padding: 12px 18px 0;
    flex-wrap: wrap;
    gap: 10px;
  }
  .landing-topbar .brand {
    margin-right: auto;
    font-size: 14px;
    gap: 7px;
  }
  .landing-topbar .brand strong {
    display: block;
  }
  .landing-topbar .brand small {
    display: none;
  }
  .landing-topbar .brand-logo {
    width: 30px;
    height: 30px;
  }
  .landing-topbar > .button {
    font-size: 10px;
    min-height: 36px;
    padding: 8px 11px;
    gap: 8px;
  }
  .landing-languages button {
    padding: 7px 5px;
    font-size: 10px;
  }
  .landing-nav {
    order: 4;
    width: 100%;
    justify-content: center;
    gap: 26px;
    margin: 0;
    padding: 12px 0;
    font-size: 12px;
  }
  .landing-hero {
    grid-template-columns: 1fr;
    padding: 38px 24px 46px;
    gap: 34px;
  }
  .hero-copy h1 {
    font-size: clamp(48px, 12vw, 70px);
    margin-top: 20px;
  }
  .hero-description {
    max-width: none;
  }
  .hero-copy .eyebrow {
    font-size: 9px;
    letter-spacing: 1.4px;
  }
  .hero-actions {
    gap: 18px;
  }
  .hero-cta {
    font-size: 13px;
    padding: 13px 17px;
    min-height: 48px;
    gap: 20px;
  }
  .hero-facts {
    gap: 10px;
    font-size: 10px;
    margin-top: 24px;
  }
  .hero-facts li + li::before {
    margin-right: 10px;
  }
  .hero-preview {
    border-radius: 18px;
  }
  .hero-preview figcaption {
    padding: 12px 14px;
  }
  .landing-section {
    width: calc(100% - 48px);
    padding: 46px 0;
  }
  .idea-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .landing-section h2,
  .landing-bottom-cta h2 {
    font-size: 32px;
    letter-spacing: -1px;
  }
  .idea-copy p,
  .section-heading > p {
    font-size: 14px;
  }
  .section-heading {
    display: block;
    margin-bottom: 26px;
  }
  .section-heading > p {
    margin-top: 22px;
    max-width: none;
  }
  .section-heading > a {
    display: inline-block;
    margin-top: 20px;
  }
  .studio-gallery {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0 24px;
  }
  .feature-grid h3 {
    font-size: 17px;
  }
  .feature-grid p {
    font-size: 12px;
  }
  .feature-grid article {
    padding: 24px 0;
  }
  .landing-bottom-cta {
    padding: 48px 24px 56px;
  }
  .landing-page .footer {
    gap: 16px;
  }
  .guide-index {
    gap: 16px;
    padding: 20px;
  }
  .guide-page .help-steps,
  .guide-page .help-modes,
  .guide-page .help-columns {
    grid-template-columns: 1fr;
  }
  .instructions-heading {
    padding-top: 34px;
  }
  .landing-ribs {
    grid-template-columns: 1fr;
    padding: 26px;
    gap: 24px;
  }
}
@media (max-width: 420px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .landing-topbar {
    padding-left: 12px;
    padding-right: 12px;
  }
}

.hero-origin { margin: 0 0 22px; max-width: 48ch; font-size: 14px; line-height: 1.6; color: var(--muted, #64748b); }