:root {
  --white: #fff;
  --ground: #f5f5f7;
  --ink: #1d1d1f;
  --secondary: #5d5d63;
  --dark: #101112;
  --on-dark: #f5f5f7;
  --dark-note: #c1c1c6;
  --accent: #0068cc;
  --accent-hover: #005bb5;
  --action-text: #fff;
  --panel-radius: 0;
  --page-gap: 12px;
  --body-size: 17px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; color: var(--ink); background: var(--white); font: var(--body-size)/1.55 Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: var(--accent); color: var(--white); }

/* A quiet, near-black opening; typography carries the visual identity. */
.header { position: sticky; top: 0; z-index: 10; background: #101110; color: #f3f3ed; }
.nav-wrap { min-height: 76px; max-width: 1320px; margin: auto; padding: 0 48px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { direction: ltr; font-size: 20px; font-weight: 700; letter-spacing: -.8px; }
.header .brand { font-size: 23px; letter-spacing: -1px; }
.header .brand span { color: #d8eb9b; }
.header nav { display: flex; align-items: center; gap: 38px; }
.header nav a { font-size: 14px; min-height: 44px; display: flex; align-items: center; }
.header nav a:hover { color: #d8eb9b; }
.header a:focus-visible, .header button:focus-visible, .hero a:focus-visible { outline-color: #d8eb9b; }
.menu-toggle { border: 0; color: inherit; background: transparent; padding: 10px 0; min-height: 44px; font-size: 15px; }
.menu-toggle span { display: inline-block; margin-inline-start: 15px; font-size: 22px; transition: transform 160ms ease; }
.menu-toggle[aria-expanded="true"] span { transform: rotate(45deg); }

.hero { background: #101110; color: #f3f3ed; padding: 66px 48px 25px; border-radius: 0 0 30px 30px; overflow: hidden; }
.hero-content { max-width: 1224px; margin: auto; display: grid; grid-template-columns: 1.65fr 1fr; align-items: end; gap: 65px; }
h1 { font-size: clamp(54px, 6.4vw, 92px); line-height: 1.09; letter-spacing: -3.5px; font-weight: 500; text-align: right; }
.hero-summary { padding-bottom: 5px; max-width: 350px; justify-self: end; }
.intro { color: #bebfba; font-size: 19px; line-height: 1.7; margin: 0 0 27px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 46px; padding: 11px 24px; border: 0; border-radius: 999px; background: var(--accent); color: var(--action-text); font-size: var(--body-size); line-height: 1.4; transition: background 160ms ease, transform 160ms ease; }
.button:hover { background: var(--accent-hover); }
.button:active { transform: scale(.98); }
.hero .button { background: #f3f3ed; color: #101110; gap: 20px; padding: 8px 17px 8px 9px; font-size: 15px; min-height: 48px; }
.hero .button:hover { background: #d8eb9b; }
.hero-arrow { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: #101110; color: #f3f3ed; font-size: 20px; }
.hero-wordmark { font-size: clamp(90px, 16.8vw, 242px); line-height: .95; font-weight: 700; letter-spacing: -.075em; max-width: 1240px; margin: 68px auto 38px; text-align: center; white-space: nowrap; }
.hero-wordmark span { color: #d8eb9b; }
.hero-foot { max-width: 1224px; margin: auto; padding-top: 20px; border-top: 1px solid #343530; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 13px; color: #bebfba; }

/* The first venture is the main product feature. */
.projects { padding-top: 65px; }
.section-intro { max-width: 850px; text-align: center; margin: auto; padding: 0 24px 40px; }
h2 { font-size: clamp(32px, 3.8vw, 51px); line-height: 1.15; font-weight: 600; letter-spacing: -1.8px; }
.section-intro p { font-size: var(--body-size); margin-top: 18px; }
.project { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 32px 90px; background: var(--dark); color: var(--on-dark); padding: 64px max(32px, calc((100% - 1080px) / 2)); }
.project-content { max-width: 470px; }
.project h3 { font-size: 70px; line-height: 1.05; letter-spacing: -2px; font-weight: 600; }
.product-subtitle { font-size: 28px; line-height: 1.35; margin-top: 9px; }
.project-description { font-size: 19px; line-height: 1.65; margin-top: 24px; }
.project .button { margin-top: 29px; }
.availability { color: var(--dark-note); font-size: 14px; margin-top: 16px; }
.project-visual { background: var(--white); width: min(100%, 420px); aspect-ratio: 1; justify-self: center; border-radius: var(--panel-radius); overflow: hidden; }
.project-visual img { display: block; width: 100%; height: 100%; object-fit: contain; }
.project-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 42px; padding-top: 14px; color: var(--dark-note); font-size: 14px; }
.project-bottom p:first-child { max-width: 540px; }

/* Two related perspectives, with different content and visual weight. */
.perspectives { display: grid; grid-template-columns: 1fr 1fr; gap: var(--page-gap); padding: var(--page-gap); background: var(--white); }
.approach, .horizon { padding: 66px 9% 56px; border-radius: var(--panel-radius); }
.approach { background: var(--ground); }
.horizon { background: var(--dark); color: var(--on-dark); }
.perspective-content { max-width: 480px; margin: auto; }
.perspectives h2 { font-size: clamp(30px, 3.2vw, 46px); line-height: 1.14; letter-spacing: -1.5px; }
.section-description { font-size: 20px; line-height: 1.6; margin-top: 27px; }
.steps { list-style: none; padding: 0; margin: 38px 0 0; }
.steps li + li { margin-top: 27px; }
.steps h3 { font-size: 19px; font-weight: 700; line-height: 1.4; }
.steps p { font-size: 16px; line-height: 1.6; margin-top: 7px; }
.horizon-body { font-size: var(--body-size); line-height: 1.7; margin-top: 28px; }
.domains { display: flex; flex-wrap: wrap; gap: 13px 22px; margin-top: 38px; font-size: 16px; }
.domains > span { display: flex; align-items: baseline; gap: 7px; }
.domains b { font-weight: 400; color: var(--dark-note); font-size: 14px; }
.horizon-note { color: var(--dark-note); font-size: 14px; line-height: 1.65; margin-top: 27px; }

.principle { text-align: center; padding: 60px 24px 0; }
.principle p { font-size: 22px; line-height: 1.6; }
.principle strong { font-weight: 600; }
.contact { text-align: center; padding: 65px 24px 80px; }
.contact h2 { font-size: 52px; }
.contact p { font-size: 20px; margin-top: 19px; }
.contact .button { margin-top: 27px; }
.footer { background: var(--ground); color: var(--secondary); padding: 30px 28px; }
.footer-inner { max-width: 1080px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 25px; font-size: 14px; }
.footer .brand { color: var(--ink); }

/* All content remains visible if animation or JavaScript is unavailable. */
@keyframes enter { from { opacity: .5; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.hero-content { animation: enter 380ms ease-out both; }
dialog { width: calc(100% - 40px); max-width: 650px; padding: 54px 42px 42px; border: 0; border-radius: 22px; background: var(--white); color: var(--ink); }
dialog::backdrop { background: #0009; }
dialog h2 { font-size: 32px; line-height: 1.2; margin-bottom: 26px; }
dialog p { font-size: var(--body-size); line-height: 1.7; margin-top: 18px; }
dialog .button { margin-top: 28px; }
.close-dialog { position: absolute; top: 10px; left: 14px; width: 44px; height: 44px; border: 0; border-radius: 50%; color: var(--ink); background: var(--ground); font-size: 28px; line-height: 1; }
.skip { position: fixed; z-index: 20; top: -100px; right: 20px; padding: 12px; background: var(--ink); color: var(--white); }
.skip:focus { top: 10px; }
.no-script { max-width: 650px; margin: auto; padding: 40px 24px; }
.no-script a { text-decoration: underline; }

@media (min-width: 681px) { .menu-toggle { display: none; } }
@media (max-width: 1000px) {
  .header nav { gap: 28px; }
  .hero-content { gap: 35px; grid-template-columns: 1.4fr 1fr; }
  .hero-summary .intro { font-size: 17px; }
  .project { gap: 32px; padding: 52px 32px; }
  .project h3 { font-size: 60px; }
  .project-description { font-size: var(--body-size); }
  .approach, .horizon { padding: 52px 28px; }
  .perspectives h2 { font-size: 34px; }
  .section-description { font-size: 19px; }
}
@media (max-width: 680px) {
  html { scroll-padding-top: 64px; }
  .nav-wrap { min-height: 52px; flex-wrap: wrap; gap: 0; padding-inline: 22px; }
  .brand, .header .brand { font-size: 19px; }
  .header nav { flex-basis: 100%; flex-wrap: wrap; padding-block: 6px 18px; gap: 4px 24px; }
  .header nav a { font-size: 15px; }
  .header nav.collapsed { display: none; }
  .hero { padding: 45px 22px 22px; border-radius: 0 0 22px 22px; }
  .hero-content { display: block; }
  h1 { font-size: clamp(39px, 11.5vw, 68px); letter-spacing: -1.8px; line-height: 1.13; }
  .hero-summary { margin-top: 27px; max-width: 370px; }
  .intro { font-size: 17px; line-height: 1.7; margin: 0 0 23px; }
  .hero-wordmark { font-size: 16.6vw; letter-spacing: -.075em; margin: 50px auto 29px; }
  .button { min-height: 46px; font-size: 16px; padding-inline: 23px; }
  .hero-foot { flex-direction: column; align-items: flex-start; gap: 5px; font-size: 12px; padding-top: 17px; }
  .projects { padding-top: 45px; }
  .section-intro { padding: 0 22px 30px; }
  h2 { font-size: 31px; letter-spacing: -1px; line-height: 1.2; }
  .section-intro p { font-size: 16px; margin-top: 16px; }
  .project { grid-template-columns: 1fr; text-align: center; padding: 45px 22px 29px; gap: 30px; }
  .project-content { max-width: 470px; margin: auto; }
  .project h3 { font-size: 55px; }
  .product-subtitle { font-size: 25px; }
  .project-description { font-size: var(--body-size); margin-top: 20px; }
  .project .button { margin-top: 24px; }
  .availability { margin-top: 12px; }
  .project-visual { width: min(100%, 330px); }
  .project-bottom { display: block; padding-top: 0; font-size: 14px; }
  .project-bottom p + p { margin-top: 16px; }
  .perspectives { grid-template-columns: 1fr; padding: var(--page-gap) 0; }
  .approach, .horizon { padding: 45px 25px; }
  .perspectives h2 { font-size: clamp(30px, 9.2vw, 36px); line-height: 1.15; }
  .section-description { font-size: 19px; margin-top: 25px; }
  .steps { margin-top: 30px; }
  .steps li + li { margin-top: 24px; }
  .horizon-body { font-size: 16px; }
  .domains { margin-top: 30px; gap: 12px 20px; }
  .principle { padding: 38px 22px 0; }
  .principle p { font-size: 19px; }
  .contact { padding: 48px 22px 56px; }
  .contact h2 { font-size: 39px; }
  .contact p { font-size: 18px; margin-top: 17px; }
  .footer { padding: 28px 22px; }
  .footer-inner { flex-wrap: wrap; gap: 12px 20px; font-size: 13px; }
  .footer-inner > span { flex-basis: 100%; }
  dialog { padding: 54px 24px 30px; border-radius: 18px; }
  dialog h2 { font-size: 24px; text-wrap: initial; }
  dialog .button { width: 100%; font-size: 15px; padding-inline: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Contact destinations are visible as well as available through the actions. */
.contact-email { display: table; margin: 19px auto 0; font-size: 18px; text-underline-offset: 5px; }
.project-social { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; margin-top: 9px; color: var(--on-dark); font-size: 16px; text-underline-offset: 5px; }
.contact-email:hover, .project-social:hover { text-decoration: underline; }