@font-face {
  font-family: Manrope;
  src: url('assets/manrope-regular.ttf') format('truetype');
  font-weight: 400 500;
  font-display: swap;
}
@font-face {
  font-family: Manrope;
  src: url('assets/manrope-bold.ttf') format('truetype');
  font-weight: 600 800;
  font-display: swap;
}
:root {
  --ink: #20202b;
  --muted: #62616e;
  --accent: #5543b8;
  --line: #dfdce9;
  --soft: #f7f7fb;
  --lavender: #efedf8;
  --radius: 8px;
  --ease: cubic-bezier(.2,.7,.2,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 115px; scrollbar-color: #a29abf var(--soft); }
body { margin: 0; background: #fdfdfe; color: var(--ink); font-family: Manrope, Arial, sans-serif; font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; text-underline-offset: .2em; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button:focus-visible, a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
[hidden] { display: none !important; }
img { display: block; max-width: 100%; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { font-weight: 600; line-height: 1.2; text-wrap: balance; }
p { text-wrap: pretty; }
p + p { margin-top: 18px; }
::selection { background: #ded8fc; color: var(--ink); }
.container { width: calc(100% - 112px); max-width: 1280px; margin-inline: auto; }
.accent { color: var(--accent); }
.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; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 20; transform: translateY(-150%); background: var(--accent); color: white; padding: 10px 20px; }
.skip-link:focus { transform: translateY(0); }
/* Layer 10: sticky header; layer 11: expanded mobile navigation. */
.site-header { min-height: 100px; position: sticky; top: 0; z-index: 10; background: #fdfdfe; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.wordmark { font-size: 28px; font-weight: 800; letter-spacing: 3px; line-height: 1; display: inline-flex; align-items: flex-start; padding-block: 14px; flex-shrink: 0; }
.wordmark span { font-size: 10px; letter-spacing: 0; margin-left: 3px; line-height: 1.5; }
nav { display: flex; align-items: center; gap: 28px; }
.nav-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; color: var(--muted); position: relative; transition: color .2s; white-space: nowrap; }
.nav-link:hover, .nav-link.active { color: var(--accent); }
.nav-link.active:after { content: ''; position: absolute; left: 50%; bottom: 0; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
.button { display: inline-flex; gap: 18px; align-items: center; justify-content: center; min-height: 48px; padding: 13px 23px; border-radius: var(--radius); font-size: 14px; font-weight: 700; line-height: 1.6; transition: background .2s, transform .25s var(--ease); }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button span { font-size: 20px; font-weight: 400; line-height: 1; }
.button-primary { background: var(--accent); color: #fff; }
.button-primary:hover { background: #45339f; }
.button-outline { border: 1px solid var(--line); background: transparent; }
.button-outline:hover { border-color: var(--accent); background: var(--lavender); }
.button-small { min-height: 44px; padding: 10px 18px; margin-left: 6px; }
.button-white { background: #fff; color: var(--accent); }
.button-white:hover { background: #eeebff; }
.menu-toggle { display: none; }
.text-link { display: inline-flex; align-items: center; gap: 14px; min-height: 44px; font-size: 14px; font-weight: 700; background: transparent; padding: 8px 0; }
.text-link span { font-size: 20px; font-weight: 400; transition: transform .2s; }
.text-link:hover { color: var(--accent); text-decoration: underline; }
.text-link:hover span { transform: translateY(3px); }
.hero-section { background: linear-gradient(130deg, #f0eafd 0%, #e6dff9 62%, #f3edff 100%); }
.hero { display: grid; grid-template-columns: 1.02fr 1fr; align-items: center; padding-block: 65px 75px; gap: 28px; min-height: 690px; }
.hero h1 { font-size: clamp(54px, 5.25vw, 76px); letter-spacing: -.035em; line-height: 1.09; margin-bottom: 25px; }
.hero-description { font-size: 16px; line-height: 1.8; color: var(--muted); max-width: 440px; }
.hero-description strong { color: var(--ink); font-weight: 600; }
.concept-status { font-size: 14px; line-height: 1.7; color: var(--accent); margin-top: 16px; max-width: 400px; }
.hero-actions { display: flex; gap: 25px; align-items: center; flex-wrap: wrap; margin-top: 26px; }
.hero-line { display: block; overflow: hidden; padding-bottom: .12em; margin-bottom: -.12em; }
.hero-line > span { display: inline-block; }
.hero-cube { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; mask-image: linear-gradient(to right, transparent, #000 13%, #000 88%, transparent), linear-gradient(to bottom, transparent, #000 12%, #000 86%, transparent); mask-composite: intersect; }
.hero-visual { position: relative; min-width: 0; width: 100%; max-width: 540px; justify-self: end; }

.product-label { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; padding: 16px 4px 0; }
.product-label strong { font-size: 18px; letter-spacing: -.025em; font-weight: 600; }
.product-label strong span { font-size: 10px; vertical-align: super; }
.product-label > span { font-size: 13px; color: var(--muted); }
.section { padding-block: 85px; }
h2 { font-size: 43px; letter-spacing: -.03em; line-height: 1.2; }
.vision { background: var(--soft); border-block: 1px solid var(--line); }
.vision-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 75px; }
.vision-copy { color: var(--muted); font-size: 16px; max-width: 500px; }
.vision-copy .lead { font-size: 19px; line-height: 1.7; color: var(--ink); margin-bottom: 20px; }
.vision-principles { display: grid; grid-template-columns: repeat(3,1fr); gap: 40px; margin-top: 50px; }
.vision-principles > div { border-top: 1px solid var(--line); padding-top: 21px; }
.vision-principles h3 { font-size: 17px; font-weight: 600; letter-spacing: -.02em; }
.vision-principles p { font-size: 15px; color: var(--muted); margin-top: 10px; }
.product-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 60px; margin-bottom: 45px; }
.product-heading > p { font-size: 16px; color: var(--muted); max-width: 500px; }
.product-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.product-stage { background: #f2f1f7; border-radius: var(--radius); padding: 20px 24px 25px; }

.size-comparison { margin-top: 25px; }
.size-comparison h3 { font-size: 18px; letter-spacing: -.02em; }
.comparison-note { color: var(--muted); font-size: 13px; line-height: 1.7; margin-top: 8px; }
.size-selector { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin-top: 19px; }
.size-option { border-radius: 6px; border: 1px solid #d5d0e3; background: transparent; padding: 12px 5px; font-size: 13px; line-height: 1.5; text-align: center; transition: background .2s, border-color .2s; }
.size-option strong { display: block; font-size: 14px; font-weight: 600; margin-top: 12px; }
.size-option > span:last-child { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.size-option.selected { background: #fff; border-color: var(--accent); color: var(--accent); }
.size-option:hover { border-color: var(--accent); background: #faf9fe; }
.size-thumbnail { width: 100%; height: 70px; object-fit: contain; transition: transform .25s var(--ease); }
.size-option:hover .size-thumbnail, .size-option:focus-visible .size-thumbnail { transform: translateY(-3px); }
.size-caption { color: var(--muted); font-size: 14px; line-height: 1.7; margin-top: 16px; min-height: 96px; }
.product-details h3 { font-size: 34px; letter-spacing: -.03em; }
.product-details h3 > span { font-size: 14px; vertical-align: super; margin-left: 2px; }
.product-intro { font-size: 20px; line-height: 1.55; margin-top: 16px; }
.product-details > p:not(.product-intro):not(.concept-note) { font-size: 16px; color: var(--muted); margin-top: 20px; }
.product-details > p.spec-introduction { font-size: 14px; color: var(--accent); }
.product-specs { margin: 16px 0 20px; border-top: 1px solid var(--line); font-size: 15px; }
.product-specs > div { display: grid; grid-template-columns: 80px 1fr; gap: 18px; border-bottom: 1px solid var(--line); padding-block: 14px; }
.product-specs dt { font-weight: 600; }
.product-specs dd { margin: 0; color: var(--muted); }
.concept-note { font-size: 14px; line-height: 1.8; color: var(--muted); margin-bottom: 10px; }
.concept-how { border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.concept-how summary { min-height: 48px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 15px; padding-block: 9px; }
.concept-how summary::-webkit-details-marker { display: none; }
.concept-how summary span { color: var(--accent); font-size: 24px; font-weight: 400; }
.concept-how[open] summary span { transform: rotate(45deg); }
.concept-how > div { padding-block: 10px 20px; }
.concept-how p { font-size: 15px; color: var(--muted); line-height: 1.8; }
.concept-how p + p { margin-top: 12px; }
.concept-how p strong { color: var(--ink); font-weight: 600; }
.possibilities { margin-top: 75px; scroll-margin-top: 120px; }
.possibilities-heading h3 { font-size: 28px; letter-spacing: -.025em; }
.use-cases { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 30px; }
.use-case-tabs { display: flex; flex-direction: column; }
.use-case-tabs button { background: transparent; border-bottom: 1px solid var(--line); padding: 22px 10px 22px 0; display: flex; gap: 18px; align-items: center; justify-content: space-between; min-height: 64px; font-size: 16px; text-align: left; line-height: 1.5; transition: color .2s, background .2s; }
.use-case-tabs button:first-child { border-top: 1px solid var(--line); }
.use-case-tabs button:after { content: ''; width: 8px; height: 8px; border: 1px solid var(--accent); border-radius: 50%; flex-shrink: 0; }
.use-case-tabs button[aria-selected="true"] { color: var(--accent); font-weight: 600; border-bottom-color: var(--accent); }
.use-case-tabs button[aria-selected="true"]:after { background: var(--accent); }
.use-case-tabs button:hover { color: var(--accent); background: var(--soft); }
.use-case-panel { padding: 26px 28px; background: var(--soft); border-radius: var(--radius); }
.use-case-panel h4 { font-size: 21px; letter-spacing: -.02em; line-height: 1.5; }
.use-case-panel p { font-size: 16px; color: var(--muted); margin-top: 14px; }
.about { background: var(--soft); border-top: 1px solid var(--line); padding-bottom: 0; }
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 75px; }
.about-grid h2 { font-size: 39px; }
.about-intro { color: var(--muted); font-size: 16px; max-width: 410px; margin-top: 25px; }
.founder { display: flex; gap: 16px; align-items: center; margin-bottom: 25px; }
.founder-monogram { height: 60px; width: 60px; border-radius: var(--radius); display: grid; place-items: center; background: #e9e5f6; color: var(--accent); font-size: 20px; position: relative; }
.founder h3 { font-size: 19px; font-weight: 600; letter-spacing: -.02em; }
.founder p { font-size: 14px; color: var(--muted); margin-top: 4px; }
.founder-story > p { color: var(--muted); font-size: 16px; }
.founder-story .text-link { color: var(--accent); margin-top: 16px; }
.project-stage { margin-top: 55px; padding-top: 28px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3,1fr); gap: 35px; }
.project-stage h3 { font-size: 18px; letter-spacing: -.02em; }
.project-stage p { font-size: 15px; color: var(--muted); margin-top: 12px; }
.contact-banner { display: grid; grid-template-columns: 1fr 260px; gap: 45px; align-items: center; background: #5141a8; color: white; border-radius: var(--radius); padding: 42px; margin-top: 48px; scroll-margin-top: 125px; }
.contact-copy h3 { font-size: 32px; letter-spacing: -.025em; }
.contact-copy p { color: #ece8fb; font-size: 16px; line-height: 1.8; max-width: 570px; margin-top: 18px; }
.contact-actions { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px 16px; text-align: center; }
.contact-actions .button { width: 100%; }
.contact-number { display: block; width: 100%; font-size: 23px; font-variant-numeric: tabular-nums; font-weight: 500; margin-top: 8px; user-select: text; }
.contact-number:focus { outline-color: white; }
.copy-number { background: transparent; color: #fff; text-decoration: underline; text-underline-offset: .2em; min-height: 44px; padding: 8px 14px; font-size: 14px; }
.copy-number:hover { background: #ffffff12; border-radius: 4px; }
.contact-actions :focus-visible { outline-color: white; }
.copy-status { width: 100%; font-size: 13px; color: #ece8fb; min-height: 44px; margin: 0; }
.social-row { display: grid; grid-template-columns: 1.4fr repeat(3,1fr); align-items: center; gap: 22px; padding: 38px 0; color: var(--muted); }
.social-row > div > strong { font-size: 15px; display: block; color: var(--ink); }
.social-row > div > span { font-size: 13px; display: block; margin-top: 6px; }
.social-row > span { font-size: 13px; display: flex; flex-direction: column; gap: 4px; }
.social-row > span > strong { font-size: 14px; color: var(--ink); font-weight: 500; }
.footer { display: flex; gap: 25px; align-items: center; padding-block: 25px; }
.footer .wordmark { font-size: 22px; letter-spacing: 2px; }
.footer p { font-size: 13px; color: var(--muted); }
.footer > span { font-size: 13px; margin-left: auto; color: var(--muted); white-space: nowrap; }
.footer > a:last-child { font-size: 13px; margin-left: 10px; min-height: 44px; display: inline-flex; align-items: center; gap: 9px; white-space: nowrap; }
@media (min-width: 1450px) {
  .hero { padding-block: 75px; min-height: 740px; }
  .hero h1 { font-size: 82px; }
}
@media (max-width: 1100px) {
  .container { width: calc(100% - 72px); }
  nav { gap: 20px; }
  .nav-link { font-size: 13px; }
  .button-small { padding-inline: 14px; }
  .hero { gap: 25px; min-height: 650px; }
  .hero h1 { font-size: 62px; }
  .hero-actions { gap: 10px 22px; }
  .vision-grid, .about-grid { gap: 45px; }
  .product-showcase, .use-cases { gap: 36px; }
  h2 { font-size: 38px; }
  .product-stage { padding-inline: 18px; }
  .contact-banner { gap: 28px; grid-template-columns: 1fr 230px; padding: 32px; }
  .social-row { grid-template-columns: 1.5fr repeat(3,1fr); gap: 18px; }
}
@media (max-width: 900px) {
  .site-header, .header-inner { min-height: 80px; }
  .header-inner { flex-wrap: wrap; gap: 0; }
  .menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; background: transparent; }
  .js-enabled .menu-toggle { display: flex; }
  .menu-lines, .menu-lines:after { height: 1.5px; width: 22px; background: var(--ink); display: block; position: relative; transition: transform .2s; }
  .menu-lines { transform: translateY(-3px); }
  .menu-lines:after { content: ''; position: absolute; top: 7px; }
  .menu-toggle[aria-expanded=true] .menu-lines { transform: rotate(45deg); }
  .menu-toggle[aria-expanded=true] .menu-lines:after { transform: rotate(-90deg); top: 0; }
  nav { width: 100%; flex-wrap: wrap; gap: 10px 20px; padding-block: 15px; }
  .js-enabled nav { display: none; position: absolute; top: 79px; left: 0; right: 0; width: auto; padding: 20px 36px; background: #fdfdfe; border-bottom: 1px solid var(--line); z-index: 11; align-items: stretch; }
  .js-enabled nav.open { display: flex; flex-direction: column; gap: 0; }
  .nav-link { font-size: 16px; min-height: 48px; }
  .nav-link.active:after { left: auto; right: 10px; top: 23px; bottom: auto; }
  .button-small { margin: 12px 0 0; align-self: start; }
  .hero { padding-block: 50px; min-height: auto; grid-template-columns: 1.05fr 1fr; }
  .hero h1 { font-size: clamp(43px, 6.2vw, 58px); }
  .hero-actions { align-items: start; flex-direction: column; }
  .hero-description { font-size: 16px; }
  .hero-visual { align-self: center; }
  .product-label { flex-direction: column; align-items: center; text-align: center; }
  .section { padding-block: 65px; }
  .vision-grid, .about-grid { gap: 35px; }
  h2, .about-grid h2 { font-size: 33px; }
  .vision-principles { gap: 25px; }
  .product-heading { gap: 35px; }
  .product-heading > p { max-width: none; }
  .product-showcase { grid-template-columns: 1fr; gap: 40px; }
  .product-stage { display: grid; grid-template-columns: .85fr 1fr; gap: 25px; padding: 25px; align-items: center; }
  .product-details { max-width: 680px; }
  .size-comparison { margin-top: 0; }
  .use-cases { gap: 30px; }
  .contact-banner { grid-template-columns: 1fr 210px; padding: 30px; gap: 25px; }
  .contact-copy h3 { font-size: 28px; }
  .social-row { grid-template-columns: 1fr 1fr 1fr; }
  .social-row > div { grid-column: 1/-1; }
  .footer { flex-wrap: wrap; gap: 10px 20px; }
  .footer p { width: calc(100% - 175px); }
  .footer > span { margin-left: 0; }
  .footer > a:last-child { margin-left: auto; }
  .about { padding-bottom: 0; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 95px; }
  .container { width: calc(100% - 40px); }
  .site-header, .header-inner { min-height: 72px; }
  .wordmark { font-size: 24px; }
  .js-enabled nav { top: 71px; padding: 20px; }
  .hero { grid-template-columns: 1fr; padding-block: 35px 45px; gap: 25px; }
  .hero h1 { font-size: clamp(40px, 12.5vw, 72px); margin-bottom: 22px; }
  .hero-description { max-width: 430px; }
  .concept-status { margin-top: 14px; }
  .hero-actions { flex-direction: row; align-items: center; gap: 8px 20px; margin-top: 22px; }
  .hero-actions .button { padding-inline: 18px; }
  .hero-visual { max-width: 440px; justify-self: center; width: 100%; }
  .product-label { flex-direction: row; align-items: baseline; text-align: left; padding-top: 10px; }
  .product-label strong { font-size: 17px; }
  .product-label > span { font-size: 13px; }
  .section { padding-block: 55px; }
  .vision-grid, .about-grid { grid-template-columns: 1fr; gap: 26px; }
  h2, .about-grid h2 { font-size: 34px; }
  .vision-copy { max-width: none; }
  .vision-copy .lead { font-size: 19px; }
  .vision-principles { grid-template-columns: 1fr; gap: 25px; margin-top: 35px; }
  .vision-principles p { margin-top: 8px; }
  .product-heading { display: block; margin-bottom: 30px; }
  .product-heading > p { margin-top: 20px; max-width: 420px; }
  .product-stage { display: block; padding: 18px; }
  .size-comparison { margin-top: 18px; }
  .size-selector { gap: 7px; }
  .size-option { padding-inline: 3px; }
  .size-option strong { font-size: 13px; }
  .size-caption { min-height: 120px; }
  .product-details h3 { font-size: 33px; }
  .product-intro { font-size: 21px; }
  .product-specs > div { grid-template-columns: 65px 1fr; gap: 16px; }
  .possibilities { margin-top: 50px; }
  .possibilities-heading h3 { font-size: 27px; }
  .use-cases { grid-template-columns: 1fr; gap: 23px; margin-top: 25px; }
  .use-case-tabs button { padding-block: 18px; }
  .use-case-panel { padding: 24px; }
  .use-case-panel h4 { font-size: 21px; }
  .about { padding-bottom: 0; }
  .about-intro { max-width: none; }
  .project-stage { grid-template-columns: 1fr; margin-top: 35px; gap: 24px; }
  .project-stage p { margin-top: 8px; }
  .contact-banner { grid-template-columns: 1fr; padding: 28px 24px; margin-top: 35px; gap: 28px; }
  .contact-copy h3 { font-size: 29px; }
  .contact-actions { justify-content: start; text-align: left; }
  .contact-number { font-size: 24px; }
  .copy-number { padding-left: 0; }
  .copy-status { min-height: 44px; }
  .social-row { grid-template-columns: 1fr 1fr; gap: 22px; padding-block: 30px; }
  .social-row > div { grid-column: 1/-1; }
  .footer { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding-block: 25px; }
  .footer .wordmark { grid-column: 1/-1; font-size: 22px; }
  .footer p { grid-column: 1/-1; width: auto; }
  .footer > span { grid-column: 1; font-size: 12px; }
  .footer > a:last-child { grid-column: 2; margin-left: auto; }
}
.size-reference { margin: 0; }
.reference-art { display: grid; place-items: center; height: 290px; }
.reference-art img { grid-area: 1 / 1; width: 100%; height: 100%; max-height: 290px; object-fit: contain; }
.size-reference figcaption { display: flex; flex-direction: column; gap: 3px; padding: 10px 0 18px; border-bottom: 1px solid var(--line); }
.size-reference figcaption strong { font-size: 21px; font-weight: 600; letter-spacing: -.02em; }
.size-reference figcaption span { color: var(--muted); font-size: 14px; }
@media (max-width: 900px) {
  .reference-art { height: 250px; }
  .reference-art img { max-height: 250px; }
}
@media (max-width: 640px) {
  .reference-art { height: 245px; }
  .reference-art img { max-height: 245px; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero-line > span { animation: hero-line-arrive .75s cubic-bezier(.16, 1, .3, 1) backwards; animation-delay: calc(var(--line) * 90ms); }
  .hero-description, .concept-status, .hero-actions { animation: hero-copy-arrive .65s cubic-bezier(.16, 1, .3, 1) backwards; }
  .hero-description { animation-delay: .2s; }
  .concept-status { animation-delay: .28s; }
  .hero-actions { animation-delay: .36s; }
  .reference-art img:not([hidden]) { animation: reference-appear .24s var(--ease); }
  @keyframes hero-line-arrive { from { opacity: .2; transform: translateY(70%); } to { opacity: 1; transform: translateY(0); } }
  @keyframes hero-copy-arrive { from { opacity: .3; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes reference-appear { from { opacity: .5; transform: translateY(7px); } to { opacity: 1; transform: translateY(0); } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { animation: none !important; transition: none !important; }
}