:root {
  --paper: #fff;
  --paper-deep: #f5f5f7;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --accent: #ff5a36;
  --accent-dark: #c93413;
  --focus-ring: #9a3412;
  --blue: #0071e3;
  --display: 'SF Pro Display', 'SF Pro SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', 'Noto Sans SC', sans-serif;
  --sans: 'SF Pro Text', 'SF Pro SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', 'Noto Sans SC', sans-serif;
  --max: 1400px;
  --gutter: clamp(22px, 4.5vw, 72px);
  --shadow: 0 28px 80px rgba(0, 0, 0, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body::selection, ::selection { background: var(--ink); color: var(--paper); }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }
.container { width: min(var(--max), calc(100% - (var(--gutter) * 2))); margin: 0 auto; }
.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; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(0, 0, 0, .08);
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}
.header-inner { display: flex; min-height: 66px; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; font-size: 18px; font-weight: 650; letter-spacing: -.035em; }
.wordmark-mark { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.7vw, 42px); margin-left: auto; }
.nav-link { position: relative; display: inline-flex; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; color: var(--muted); font-size: 13px; transition: color .25s ease; }
.nav-link::after { position: absolute; right: 0; bottom: -8px; left: 0; height: 1px; background: var(--ink); content: ''; transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.nav-link:hover, .nav-link.is-active { color: var(--ink); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.language-toggle, .menu-toggle { border: 1px solid var(--line); background: transparent; cursor: pointer; }
.language-toggle { display: inline-flex; min-height: 44px; align-items: center; gap: 7px; padding: 7px 13px; border-radius: 999px; font-size: 12px; }
.language-toggle::before { width: 7px; height: 7px; border: 1px solid currentColor; border-radius: 50%; content: ''; }
.language-menu { position: relative; }
.language-menu summary { list-style: none; }
.language-menu summary::-webkit-details-marker { display: none; }
.language-menu[open] .language-toggle { border-color: var(--ink); }
.language-options { position: absolute; z-index: 20; top: calc(100% + 10px); right: 0; display: grid; min-width: 230px; padding: 8px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: 0 18px 44px rgba(12, 18, 28, .12); }
.language-options a { display: flex; min-height: 40px; align-items: center; justify-content: space-between; padding: 8px 11px; border-radius: 11px; color: var(--muted); font-size: 13px; }
.language-options a:hover { background: var(--paper-deep); color: var(--ink); }
.language-options a[aria-current="page"] { color: var(--ink); font-weight: 650; }
.language-options a[aria-current="page"]::after { content: '\2713'; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 9px; border-radius: 50%; }
.menu-toggle span { display: block; width: 18px; height: 1px; margin: 4px 0; background: currentColor; transition: transform .2s ease; }

.hero { display: flex; min-height: calc(100svh - 66px); align-items: center; padding: clamp(70px, 9vw, 130px) 0; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr); align-items: center; gap: clamp(44px, 8vw, 120px); }
.eyebrow, .section-kicker { margin: 0 0 22px; color: var(--accent-dark); font-size: 11px; font-weight: 650; letter-spacing: .13em; text-transform: uppercase; }
.hero h1 { max-width: 760px; margin: 0; font-family: var(--display); font-size: clamp(54px, 6.6vw, 104px); font-weight: 700; letter-spacing: -.06em; line-height: .94; text-wrap: balance; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-copy { max-width: 560px; margin: 30px 0 0; color: var(--muted); font-size: clamp(17px, 1.45vw, 21px); font-weight: 450; line-height: 1.48; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 11px 20px; border: 1px solid var(--ink); border-radius: 999px; font-size: 14px; font-weight: 600; transition: transform .25s ease, background-color .25s ease, border-color .25s ease, color .25s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.button-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.button-quiet { border-color: var(--line); color: var(--muted); }
.button-quiet:hover { border-color: var(--ink); color: var(--ink); }
.hero-art { position: relative; min-height: min(620px, 66vw); border-radius: clamp(34px, 4vw, 64px); background: radial-gradient(circle at 26% 18%, rgba(255,255,255,.96) 0 8%, transparent 28%), linear-gradient(145deg, #c9ebff 0%, #a9d7ff 48%, #8dc2fb 100%); overflow: hidden; }
.hero-art::after { position: absolute; right: 8%; bottom: 5%; width: 44%; aspect-ratio: 1; border-radius: 50%; background: rgba(255, 255, 255, .22); filter: blur(1px); content: ''; }
.orbit { position: absolute; inset: 14% 9%; border: 1px solid rgba(255,255,255,.52); border-radius: 50%; transform: rotate(-14deg); }
.orbit::before, .orbit::after { position: absolute; inset: 13%; border: 1px solid rgba(255,255,255,.46); border-radius: 50%; content: ''; }
.orbit::after { inset: 30%; }
.orbit-line { position: absolute; top: 50%; right: -5%; left: -5%; height: 1px; background: rgba(255,255,255,.46); transform: rotate(26deg); }
.hero-tile { position: absolute; z-index: 1; display: grid; width: clamp(126px, 12vw, 176px); height: clamp(126px, 12vw, 176px); place-items: center; border: 1px solid rgba(255,255,255,.7); border-radius: 32%; box-shadow: 0 24px 55px rgba(17, 74, 125, .2); transform: rotate(-7deg); animation: hero-float 7s ease-in-out infinite; }
.hero-tile img { width: 66%; height: 66%; border-radius: 23%; box-shadow: 0 12px 30px rgba(21, 22, 18, .16); }
.hero-tile:nth-child(2) { top: 9%; left: 9%; background: rgba(238, 247, 239, .92); }
.hero-tile:nth-child(3) { top: 36%; right: 8%; background: rgba(255, 233, 214, .94); transform: rotate(8deg); animation-delay: -2.2s; }
.hero-tile:nth-child(4) { bottom: 7%; left: 31%; background: rgba(237, 241, 255, .94); transform: rotate(3deg); animation-delay: -4.5s; }
@keyframes hero-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }

.section { padding: clamp(92px, 11vw, 160px) 0; }
.section-head { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .55fr); align-items: end; gap: clamp(32px, 8vw, 120px); padding-bottom: 42px; }
.section h2 { max-width: 900px; margin: 0; font-family: var(--display); font-size: clamp(48px, 6.2vw, 88px); font-weight: 700; letter-spacing: -.06em; line-height: .95; }
.section-intro { max-width: 390px; margin: 0 0 7px; color: var(--muted); font-size: 16px; line-height: 1.55; }
.subsection { padding-top: clamp(58px, 7vw, 94px); }
.subsection + .subsection { padding-top: clamp(110px, 13vw, 190px); }
.subsection-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.subsection h3 { margin: 0; font-size: 17px; font-weight: 650; letter-spacing: -.025em; }
.subsection-note { color: var(--muted); font-size: 14px; }
.app-grid { display: flex; flex-direction: column; gap: 26px; }
.app-card:nth-child(2) { --card-index: 2; }
.app-card:nth-child(3) { --card-index: 3; }
.app-card:nth-child(4) { --card-index: 4; }
.app-card { --card-muted: #5f645f; --card-control-bg: rgba(255,255,255,.38); --card-control-hover: rgba(255,255,255,.68); position: sticky; z-index: var(--card-index, 1); top: 84px; display: grid; min-height: calc(100svh - 108px); grid-template-columns: minmax(330px, .82fr) minmax(0, 1.18fr); overflow: hidden; border: 0; border-radius: clamp(30px, 3.2vw, 48px); background: var(--card-bg, #f2f2f2); box-shadow: inset 0 1px 0 rgba(255,255,255,.7), 0 3px 12px rgba(29,29,31,.055), 0 30px 88px rgba(29,29,31,.14); isolation: isolate; }
.app-card[inert] { pointer-events: none; }
.card-panel { display: flex; min-width: 0; flex-direction: column; padding: clamp(30px, 4vw, 60px); }
.card-top { display: flex; align-items: center; justify-content: space-between; color: var(--card-muted); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.card-arrow { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border: 0; border-radius: 50%; background: var(--card-control-bg); box-shadow: inset 0 1px 0 rgba(255,255,255,.45); font-size: 18px; line-height: 1; }
.card-copy { position: relative; z-index: 1; display: flex; flex: 1; flex-direction: column; justify-content: center; padding: clamp(48px, 6vw, 78px) 0 28px; }
.card-identity { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.card-copy h4 { max-width: 520px; margin: 0; font-family: var(--display); font-size: clamp(42px, 4.7vw, 72px); font-weight: 700; letter-spacing: -.06em; line-height: .97; text-wrap: balance; }
.english-name { color: var(--card-muted); font-size: 14px; font-weight: 600; letter-spacing: -.01em; }
.card-descriptor { margin: 24px 0 0; color: var(--ink); font-size: clamp(18px, 1.7vw, 24px); font-weight: 600; letter-spacing: -.025em; line-height: 1.25; }
.card-description { max-width: 480px; margin: 13px 0 0; color: var(--card-muted); font-size: 16px; line-height: 1.55; }
.card-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.card-tag { padding: 6px 11px; border: 0; border-radius: 99px; background: var(--card-control-bg); color: var(--card-muted); font-size: 12px; box-shadow: inset 0 1px 0 rgba(255,255,255,.32); }
.card-actions { display: flex; align-items: center; gap: 14px; margin-top: 32px; }
.card-actions .button { min-height: 44px; padding: 9px 17px; border-color: transparent; background: var(--card-control-bg); box-shadow: inset 0 1px 0 rgba(255,255,255,.42), 0 7px 18px rgba(29,29,31,.07); font-size: 13px; }
.card-actions .button:active { background: var(--card-control-hover); box-shadow: inset 0 1px 2px rgba(29,29,31,.08); transform: translateY(0); }
.button-arrow { display: inline-block; margin-left: 2px; transition: transform .25s ease; }
.card-actions .button:hover .button-arrow { transform: translate(2px, -2px); }
.card-media { position: relative; display: flex; min-height: 100%; align-items: flex-end; justify-content: center; gap: clamp(12px, 2vw, 28px); padding: clamp(70px, 8vw, 112px) clamp(26px, 5vw, 76px) 0; overflow: hidden; background: linear-gradient(90deg, rgba(255,255,255,.035), rgba(255,255,255,.28)); }
.card-media::before { position: absolute; inset: 10%; border-radius: 50%; background: radial-gradient(circle at 50% 42%, rgba(255,255,255,.38), rgba(255,255,255,0) 68%); filter: blur(18px); content: ''; }
.card-media::after { position: absolute; right: 10%; bottom: 10%; left: 10%; height: 42%; border-radius: 50%; background: rgba(255,255,255,.32); filter: blur(42px); content: ''; }
.card-media img { position: relative; z-index: 1; width: min(42%, 290px); border-radius: 24px 24px 0 0; box-shadow: 0 8px 22px rgba(21,22,18,.12), 0 30px 60px rgba(21,22,18,.18); transform: translateY(34px) rotate(-3deg); }
.card-media img + img { transform: translateY(66px) rotate(4deg); }
.card-media.has-artwork { align-items: center; padding: clamp(42px, 5vw, 72px); }
.card-artwork { position: relative; z-index: 1; width: min(78%, 520px); aspect-ratio: 1122 / 1402; margin: 0; overflow: hidden; border-radius: clamp(26px, 3vw, 40px); box-shadow: 0 12px 30px rgba(2,13,27,.2), 0 38px 86px rgba(2,13,27,.32); }
.card-media .card-artwork img { width: 100%; height: 100%; border-radius: 0; box-shadow: none; object-fit: cover; transform: none; }
.card-icon { width: 64px; height: 64px; border-radius: 18px; box-shadow: 0 10px 24px rgba(21, 22, 18, .14); }
.technical-art { position: relative; z-index: 1; width: min(76%, 420px); height: 56%; margin: 0 auto; border: 1px solid rgba(255,255,255,.35); border-radius: 28px 28px 0 0; background: linear-gradient(145deg, rgba(255,255,255,.14), rgba(255,255,255,.02)); overflow: hidden; }
.technical-art::before { position: absolute; inset: 25px; border: 1px solid rgba(255,255,255,.4); content: ''; }
.technical-art::after { position: absolute; top: 50%; right: 18px; left: 18px; height: 1px; background: rgba(255,255,255,.5); box-shadow: 0 -34px 0 rgba(255,255,255,.35), 0 34px 0 rgba(255,255,255,.35); content: ''; }
.technical-label { position: absolute; z-index: 1; top: 12px; right: 14px; color: rgba(255,255,255,.72); font-size: 10px; letter-spacing: .15em; }

.theme-notes { --card-bg: #e6f1e6; }
.theme-type { --card-bg: #f8e6de; }
.theme-dolly { --card-bg: #f4e9d6; }
.theme-library { --card-bg: #e9ece3; }
.theme-tolerance, .theme-sheetmetal, .theme-thread { --card-bg: #15365e; --card-muted: rgba(245,247,245,.75); --card-control-bg: rgba(255,255,255,.085); --card-control-hover: rgba(255,255,255,.16); color: #f5f7f5; box-shadow: inset 0 1px 0 rgba(255,255,255,.13), 0 4px 16px rgba(5,21,39,.15), 0 34px 92px rgba(5,21,39,.28); }
.theme-tolerance .card-top, .theme-sheetmetal .card-top, .theme-thread .card-top, .theme-tolerance .card-descriptor, .theme-sheetmetal .card-descriptor, .theme-thread .card-descriptor { color: rgba(245,247,245,.75); }
.theme-tolerance .card-description, .theme-sheetmetal .card-description, .theme-thread .card-description { color: rgba(245,247,245,.88); }
.theme-tolerance .card-tag, .theme-sheetmetal .card-tag, .theme-thread .card-tag { color: rgba(245,247,245,.72); }
.theme-tolerance .card-media, .theme-sheetmetal .card-media, .theme-thread .card-media { background: linear-gradient(90deg, rgba(255,255,255,.015), rgba(80,142,180,.1)); }
.theme-tolerance .card-media::before, .theme-sheetmetal .card-media::before, .theme-thread .card-media::before { background: radial-gradient(circle at 50% 42%, rgba(112,185,210,.16), rgba(21,54,94,0) 68%); }
.theme-tolerance .card-actions .button, .theme-sheetmetal .card-actions .button, .theme-thread .card-actions .button { border-color: transparent; box-shadow: inset 0 1px 0 rgba(255,255,255,.12), 0 8px 22px rgba(2,13,27,.14); }
.theme-tolerance .card-actions .button:active, .theme-sheetmetal .card-actions .button:active, .theme-thread .card-actions .button:active { background: var(--card-control-hover); }
.theme-tolerance .technical-art { border-color: rgba(158,207,217,.48); background: linear-gradient(145deg, #2d6684, #102d54); }
.theme-sheetmetal .technical-art { border-color: rgba(221,185,111,.55); background: linear-gradient(145deg, #936e34, #1b3655); }
.theme-thread .technical-art { border-color: rgba(125,198,204,.55); background: linear-gradient(145deg, #236b7e, #102d54); }

@media (hover: hover) {
  .card-actions .button:hover { border-color: transparent; background: var(--ink); color: #fff; box-shadow: 0 10px 24px rgba(29,29,31,.14); }
  .theme-tolerance .card-actions .button:hover, .theme-sheetmetal .card-actions .button:hover, .theme-thread .card-actions .button:hover { border-color: transparent; background: var(--paper); color: var(--ink); box-shadow: 0 10px 24px rgba(2,13,27,.2); }
}

.web-section { background: var(--paper-deep); }
.platform-feature { position: relative; display: grid; min-height: 660px; grid-template-columns: minmax(0, .88fr) minmax(450px, 1.12fr); margin-top: 20px; overflow: hidden; border-radius: clamp(32px, 4vw, 58px); background: #084e49; color: #f4fbf8; box-shadow: 0 30px 90px rgba(5, 53, 49, .16); }
.platform-feature::before { position: absolute; top: -22%; left: 22%; width: 56%; aspect-ratio: 1; border-radius: 50%; background: rgba(124, 219, 201, .12); filter: blur(14px); content: ''; }
.platform-copy { position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: center; padding: clamp(42px, 6vw, 86px); }
.platform-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; margin-bottom: 56px; color: rgba(238, 252, 247, .66); font-size: 10px; font-weight: 650; letter-spacing: .14em; text-transform: uppercase; }
.platform-copy h3 { max-width: 660px; margin: 0; font-family: var(--display); font-size: clamp(46px, 5.3vw, 82px); font-weight: 700; letter-spacing: -.06em; line-height: .96; text-wrap: balance; }
.platform-copy > p { max-width: 600px; margin: 28px 0 0; color: rgba(238, 252, 247, .74); font-size: 16px; line-height: 1.7; }
.platform-button { align-self: flex-start; margin-top: 36px; border-color: rgba(255,255,255,.82); background: #f4fbf8; color: #073f3b; }
.platform-button:hover { border-color: #d7f4e9; background: #d7f4e9; }
.platform-map { position: relative; display: flex; min-width: 0; flex-direction: column; justify-content: center; margin: 28px; padding: clamp(36px, 5vw, 66px); border: 1px solid rgba(255,255,255,.14); border-radius: clamp(25px, 3vw, 42px); background: rgba(3, 46, 43, .82); overflow: hidden; }
.platform-map::before { position: absolute; inset: 0; background-image: linear-gradient(rgba(158, 227, 214, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(158, 227, 214, .08) 1px, transparent 1px); background-size: 36px 36px; content: ''; mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), transparent 94%); }
.platform-map-kicker { position: relative; z-index: 1; margin-bottom: 34px; color: rgba(220, 247, 238, .56); font-size: 9px; font-weight: 700; letter-spacing: .18em; }
.platform-flow { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 16px; }
.platform-flow::before { position: absolute; top: 53px; bottom: 53px; left: 22px; width: 1px; background: rgba(171, 231, 219, .42); content: ''; }
.platform-node { position: relative; display: grid; min-height: 96px; grid-template-columns: 46px minmax(0, 1fr); align-items: center; column-gap: 17px; padding: 19px 23px; border: 1px solid rgba(255,255,255,.14); border-radius: 24px; background: rgba(255,255,255,.065); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.platform-node:nth-child(2) { margin-left: clamp(20px, 4vw, 58px); }
.platform-node > span { position: relative; z-index: 1; display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid rgba(191, 241, 228, .56); border-radius: 50%; background: #073f3b; color: #c9f0e6; font-size: 9px; font-weight: 700; }
.platform-node strong { align-self: end; font-family: var(--display); font-size: clamp(21px, 2vw, 28px); font-weight: 650; letter-spacing: -.04em; }
.platform-node small { grid-column: 2; align-self: start; color: rgba(232, 250, 244, .58); font-size: 12px; }
.platform-return { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 22px; margin-top: 30px; padding-top: 21px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(232, 250, 244, .58); }
.platform-return span { flex: 0 0 auto; font-size: 9px; font-weight: 700; letter-spacing: .16em; }
.platform-return p { max-width: 230px; margin: 0; font-size: 12px; text-align: right; }

.web-projects { padding-top: clamp(78px, 9vw, 126px); }
.web-project-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 20px; }
.web-project { --web-card-padding: clamp(32px, 4.2vw, 58px); position: relative; display: flex; min-height: 530px; flex-direction: column; justify-content: space-between; padding: var(--web-card-padding); border: 0; border-radius: clamp(28px, 3vw, 42px); overflow: hidden; box-shadow: inset 0 1px 0 rgba(255,255,255,.72), 0 3px 12px rgba(29,29,31,.05), 0 26px 72px rgba(29,29,31,.11); isolation: isolate; }
.web-project-copy { position: relative; z-index: 2; }
.web-project-label { margin: 0 0 31px; font-size: 9px; font-weight: 750; letter-spacing: .18em; }
.web-project h4 { max-width: 650px; margin: 0; font-family: var(--display); font-size: clamp(44px, 5.1vw, 72px); font-weight: 700; letter-spacing: -.06em; line-height: .96; text-wrap: balance; }
.web-project h4 span { display: block; margin-top: 10px; font-size: .26em; font-weight: 650; letter-spacing: .01em; line-height: 1.2; }
.web-project-descriptor { margin: 25px 0 0; font-size: clamp(17px, 1.55vw, 21px); font-weight: 650; letter-spacing: -.025em; }
.web-project-description { max-width: 510px; margin: 12px 0 0; font-size: 15px; line-height: 1.65; }
.web-project-link { display: inline-flex; min-height: 44px; align-items: center; margin-top: 28px; padding-bottom: 2px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 650; }
.web-project-link:hover { opacity: .64; }
.readee-project { grid-column: span 7; background: #fff8f2; color: #38150a; }
.readee-project::before { position: absolute; right: -22%; bottom: -36%; width: 76%; aspect-ratio: 1; border-radius: 50%; background: #ff6a2a; content: ''; filter: blur(2px); }
.readee-project .web-project-label, .readee-project .web-project-description { color: #8d4c38; }
.readee-visual { position: relative; z-index: 1; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-top: 66px; padding: 22px 0 0; border-top: 1px solid rgba(56,21,10,.22); }
.readee-rank { color: #e9451e; font-family: var(--display); font-size: clamp(38px, 5vw, 70px); font-weight: 750; letter-spacing: -.07em; line-height: .82; }
.readee-visual div { display: flex; flex-direction: column; color: #38150a; }
.readee-visual strong { font-size: 12px; letter-spacing: .08em; }
.readee-visual div span { color: #8d4c38; font-size: 9px; letter-spacing: .13em; }
.readee-ticker { max-width: 150px; color: #fff5ed; font-size: 9px; font-weight: 700; letter-spacing: .12em; text-align: right; }
.qipan-project { grid-column: span 5; background: #0b0a09; color: #e4d0a8; }
.qipan-project::before { position: absolute; inset: 20px; border: 1px solid rgba(201, 166, 101, .17); border-radius: 28px; content: ''; }
.qipan-project .web-project-label, .qipan-project .web-project-description { color: rgba(228,208,168,.64); }
.qipan-project .web-project-link { color: #f0d59d; }
.qipan-visual { position: relative; z-index: 1; display: flex; align-items: flex-end; justify-content: space-between; gap: 22px; margin-top: 45px; color: rgba(228,208,168,.5); font-size: 9px; font-weight: 700; letter-spacing: .22em; }
.qipan-glyph { color: #d1ac68; font-family: 'Songti SC', 'STSong', serif; font-size: clamp(96px, 11vw, 160px); font-weight: 400; letter-spacing: -.12em; line-height: .7; }
.mbti-project { grid-column: 1 / -1; display: grid; min-height: 440px; grid-template-columns: minmax(330px, .8fr) minmax(450px, 1.2fr); align-items: center; gap: clamp(50px, 8vw, 120px); background: #f2eddf; color: #16213c; }
.mbti-project::before { position: absolute; inset: 0; background-image: linear-gradient(rgba(22,33,60,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(22,33,60,.07) 1px, transparent 1px); background-size: 24px 24px; content: ''; mask-image: linear-gradient(90deg, rgba(0,0,0,.2), rgba(0,0,0,.8)); }
.mbti-project .web-project-label, .mbti-project .web-project-description { color: rgba(22,33,60,.64); }
.type-matrix { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, minmax(54px, 1fr)); gap: 8px; padding: clamp(14px, 2vw, 25px); border: 1px solid rgba(22,33,60,.15); background: rgba(255,255,255,.32); box-shadow: 14px 16px 0 rgba(22,33,60,.08); transform: rotate(1.5deg); }
.type-matrix span { display: grid; min-height: 58px; place-items: center; border-top: 5px solid currentColor; background: rgba(255,255,255,.6); font-size: 11px; font-weight: 750; letter-spacing: .04em; }
.type-purple { color: #6855a7; }
.type-green { color: #42826f; }
.type-blue { color: #3a6d9c; }
.type-yellow { color: #ad7b29; }

.product-preview-project { grid-column: span 6; min-height: 720px; justify-content: flex-start; padding-bottom: 0; }
.product-preview-project::before, .product-preview-project::after { position: absolute; border-radius: 50%; content: ''; filter: blur(2px); pointer-events: none; }
.product-preview-project::before { top: -22%; right: -20%; width: 58%; aspect-ratio: 1; background: rgba(255,255,255,.38); }
.product-preview-project::after { bottom: -28%; left: -18%; width: 66%; aspect-ratio: 1; background: rgba(255,255,255,.2); }
.product-preview-project h4 { font-size: clamp(46px, 4.6vw, 66px); }
.product-preview-project .web-project-description { max-width: 560px; }
.web-project-preview { position: relative; z-index: 1; width: calc(100% + (var(--web-card-padding) * 2)); margin: auto calc(var(--web-card-padding) * -1) 0; padding: clamp(52px, 5vw, 76px) clamp(18px, 2.3vw, 32px) clamp(18px, 2.3vw, 32px); }
.web-project-preview-frame { aspect-ratio: 16 / 10; overflow: hidden; border: 1px solid rgba(255,255,255,.5); border-radius: clamp(20px, 2.2vw, 29px); background: #111217; box-shadow: 0 18px 52px rgba(15,18,24,.24), inset 0 1px 0 rgba(255,255,255,.2); }
.web-project-preview picture { display: block; width: 100%; height: 100%; }
.web-project-preview img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.musicool-project { background: linear-gradient(145deg, #fff1e9 0%, #ffc5a8 58%, #ff9b6d 100%); color: #25130e; }
.musicool-project .web-project-label, .musicool-project .web-project-description { color: rgba(62,27,18,.8); }
.musicool-project .web-project-preview-frame { background: #0c0c0f; transform: rotate(-.45deg); }
.anatomy-project { background: linear-gradient(145deg, #edfbf8 0%, #c4efe7 55%, #89d9cb 100%); color: #082925; }
.anatomy-project .web-project-label, .anatomy-project .web-project-description { color: rgba(8,52,46,.8); }
.anatomy-project .web-project-preview-frame { background: #f6f8f7; transform: rotate(.45deg); }

.metal-section { padding-bottom: clamp(110px, 13vw, 190px); background: #071d35; color: #f5f7f5; }
.metal-section .section-kicker { color: #9ed0d4; }
.metal-section .section-head { border-bottom-color: rgba(245,247,245,.22); }
.metal-section .section-intro, .metal-section .subsection-note { color: rgba(245,247,245,.64); }
.metal-section .app-card { border-color: rgba(255,255,255,.16); }
.metal-section .card-arrow { color: rgba(245,247,245,.75); }

.story-section { padding-top: clamp(96px, 13vw, 180px); }
.story-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .75fr); gap: clamp(48px, 12vw, 180px); }
.story-title { margin: 0; font-family: var(--display); font-size: clamp(48px, 7vw, 96px); font-weight: 700; letter-spacing: -.06em; line-height: .94; }
.story-copy { max-width: 420px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.story-copy + .story-copy { margin-top: 20px; }
.story-line { width: 100%; height: 1px; margin-top: clamp(75px, 10vw, 135px); background: var(--line); }

.site-footer { padding: 38px 0 30px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 30px; }
.footer-brand p { max-width: 240px; margin: 14px 0 0; color: var(--muted); font-size: 13px; }
.footer-label { margin: 0 0 10px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; font-size: 14px; }
.footer-links a { display: inline-flex; min-width: 44px; min-height: 44px; align-items: center; border-bottom: 1px solid transparent; }
.footer-links a:hover { border-bottom-color: currentColor; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 54px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

.privacy-hero { padding: clamp(82px, 11vw, 156px) 0 clamp(72px, 9vw, 118px); border-bottom: 1px solid var(--line); }
.privacy-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(230px, .42fr); align-items: end; gap: clamp(40px, 10vw, 150px); }
.privacy-hero h1 { max-width: 780px; margin: 0; overflow-wrap: break-word; font-family: var(--display); font-size: clamp(54px, 8vw, 110px); font-weight: 400; hyphens: auto; letter-spacing: -.055em; line-height: .94; text-wrap: balance; }
.privacy-lede { max-width: 560px; margin: 28px 0 0; color: var(--muted); font-size: clamp(17px, 1.6vw, 22px); line-height: 1.55; }
.privacy-meta { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; padding: 0 0 8px 24px; border-left: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.privacy-meta strong { color: var(--ink); font-size: 14px; font-weight: 600; }
.privacy-back { display: inline-flex; min-height: 44px; align-items: center; margin-top: 26px; color: var(--ink); font-size: 13px; }
.privacy-back:hover { color: var(--accent-dark); }
.privacy-layout { display: grid; grid-template-columns: minmax(150px, .28fr) minmax(0, 1fr); gap: clamp(40px, 9vw, 130px); padding-top: clamp(66px, 9vw, 120px); padding-bottom: clamp(90px, 12vw, 170px); }
.privacy-toc { position: sticky; top: 102px; align-self: start; display: flex; flex-direction: column; gap: 8px; padding-top: 15px; border-top: 1px solid var(--ink); }
.privacy-toc-label { margin: 0 0 12px; color: var(--accent-dark); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.privacy-toc a { display: inline-flex; width: fit-content; min-height: 44px; align-items: center; color: var(--muted); font-size: 13px; transition: color .2s ease; }
.privacy-toc a:hover { color: var(--ink); }
.privacy-content { max-width: 770px; }
.privacy-callout { margin-bottom: 18px; padding: 24px 26px; border: 1px solid var(--line); background: var(--paper-deep); }
.privacy-callout p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.privacy-callout p + p { margin-top: 5px; }
.privacy-callout strong { color: var(--ink); }
.privacy-content section { padding: 42px 0 46px; border-top: 1px solid var(--line); scroll-margin-top: 100px; }
.privacy-section-number { margin: 0 0 12px; color: var(--accent-dark); font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.privacy-content h2 { margin: 0 0 24px; font-family: var(--display); font-size: clamp(34px, 4.2vw, 52px); font-weight: 400; letter-spacing: -.045em; line-height: .98; }
.privacy-content h3 { margin: 28px 0 9px; color: var(--ink); font-size: 16px; font-weight: 650; }
.privacy-content p, .privacy-content li { color: var(--muted); font-size: 16px; line-height: 1.75; }
.privacy-content p { margin: 0 0 16px; }
.privacy-content p:last-child { margin-bottom: 0; }
.privacy-content ul { margin: 0; padding-left: 21px; }
.privacy-content li { margin-bottom: 9px; padding-left: 5px; }
.privacy-content li:last-child { margin-bottom: 0; }
.privacy-content strong { color: var(--ink); font-weight: 650; }
.privacy-content a { color: var(--accent-dark); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.privacy-content a:hover { color: var(--ink); }
.privacy-apps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 24px; border-top: 1px solid var(--line); }
.privacy-app { display: flex; flex-direction: column; gap: 3px; padding: 16px 16px 17px 0; border-bottom: 1px solid var(--line); }
.privacy-app:nth-child(odd) { margin-right: 24px; }
.privacy-app strong { font-size: 15px; }
.privacy-app span { color: var(--muted); font-size: 13px; }

[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 4px; }
.metal-section :focus-visible, .platform-feature :focus-visible, .qipan-project :focus-visible { outline-color: #fff; }

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, .95fr) minmax(360px, 1.05fr); gap: 45px; }
  .hero-art { min-height: 480px; }
  .hero-tile { width: 122px; height: 122px; border-radius: 24px; }
  .hero-tile img { width: 80px; height: 80px; border-radius: 19px; }
  .app-card { grid-template-columns: minmax(300px, .9fr) minmax(0, 1.1fr); }
  .card-panel { padding: 34px; }
  .card-media { padding-right: 30px; padding-left: 30px; }
  .platform-feature { grid-template-columns: minmax(0, .86fr) minmax(390px, 1.14fr); }
  .platform-copy, .platform-map { padding: 38px; }
  .platform-meta { margin-bottom: 42px; }
  .web-project { min-height: 500px; }
  .product-preview-project { min-height: 680px; }
  .mbti-project { min-height: 0; grid-template-columns: 1fr; gap: 56px; }
  .type-matrix { width: 100%; }
}
@media (max-width: 900px) {
  .app-grid { gap: 18px; }
  .app-card { position: relative; top: auto; min-height: 0; grid-template-columns: 1fr; border-radius: 30px; }
  .card-panel { min-height: 0; padding: 34px; }
  .card-copy { padding: 38px 0 14px; }
  .card-media { min-height: 380px; padding: 58px 30px 0; background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.28)); }
  .theme-tolerance .card-media, .theme-sheetmetal .card-media, .theme-thread .card-media { background: linear-gradient(180deg, rgba(255,255,255,.01), rgba(80,142,180,.1)); }
  .card-media img { width: min(40%, 230px); }
  .card-media.has-artwork { min-height: 560px; padding: 46px 28px; }
  .card-artwork { width: min(68%, 430px); }
}
@media (max-width: 768px) {
  :root { --gutter: 20px; }
  .header-inner { min-height: 67px; }
  .menu-toggle { display: block; }
  .site-nav { position: absolute; top: calc(100% + 1px); right: 0; left: 0; display: none; max-height: calc(100vh - 67px); max-height: calc(100dvh - 67px); flex-direction: column; align-items: stretch; gap: 0; overflow-y: auto; padding: 14px var(--gutter) 20px; border-bottom: 1px solid var(--line); background: var(--paper); }
  .site-nav.is-open { display: flex; }
  .nav-link { padding: 10px 0; font-size: 15px; }
  .nav-link::after { display: none; }
  .language-toggle { align-self: flex-start; margin-top: 8px; }
  .language-menu { align-self: stretch; margin-top: 8px; }
  .language-menu .language-toggle { margin-top: 0; }
  .language-options { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 8px; box-shadow: none; }
  .hero { min-height: auto; padding-top: 72px; }
  .hero-grid, .story-grid { grid-template-columns: 1fr; }
  .hero-art { min-height: 430px; margin-top: 12px; border-radius: 36px; }
  .hero-tile { width: 116px; height: 116px; }
  .hero-tile:nth-of-type(1) { left: 8%; }
  .hero-tile:nth-of-type(2) { right: 8%; }
  .hero-tile:nth-of-type(3) { left: 36%; }
  .section-head { display: block; }
  .section-intro { max-width: 520px; margin-top: 24px; }
  .app-card { border-radius: 30px; }
  .card-panel { min-height: 0; padding: 30px; }
  .card-copy { padding: 34px 0 10px; }
  .card-media { min-height: 320px; padding: 52px 28px 0; }
  .card-media img { width: min(42%, 230px); }
  .platform-feature { min-height: 0; grid-template-columns: 1fr; }
  .platform-copy { padding: 54px 34px 42px; }
  .platform-meta { margin-bottom: 42px; }
  .platform-map { min-height: 500px; margin: 0 16px 16px; padding: 38px 30px; }
  .web-project-grid { grid-template-columns: 1fr; }
  .web-project { min-height: 500px; grid-column: 1; }
  .product-preview-project { min-height: 660px; }
  .anatomy-project .web-project-preview-frame { aspect-ratio: 16 / 9; }
  .anatomy-project .web-project-preview img { object-fit: contain; object-position: center; }
  .story-copy { max-width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .privacy-hero { padding-top: 78px; }
  .privacy-hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .privacy-hero h1 { font-size: clamp(52px, 14vw, 78px); }
  .privacy-meta { padding: 18px 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .privacy-layout { grid-template-columns: 1fr; gap: 48px; padding-top: 58px; }
  .privacy-toc { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px 20px; padding-top: 14px; }
  .privacy-toc-label { grid-column: 1 / -1; margin-bottom: 4px; }
  .privacy-content section { padding-top: 36px; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero h1 { max-width: 360px; font-size: clamp(46px, 14vw, 62px); letter-spacing: -.055em; line-height: .96; }
  .hero-copy { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-art { min-height: 330px; border-radius: 28px; }
  .hero-tile { width: 94px; height: 94px; border-radius: 20px; }
  .hero-tile img { width: 66px; height: 66px; border-radius: 16px; }
  .section { padding: 86px 0; }
  .section h2 { font-size: clamp(44px, 13vw, 56px); }
  .subsection { padding-top: 50px; }
  .subsection + .subsection { padding-top: 96px; }
  .subsection-head { display: block; }
  .subsection-note { display: block; margin-top: 5px; }
  .app-card { border-radius: 24px; }
  .card-panel { min-height: 0; padding: 24px; }
  .card-copy { padding: 28px 0 6px; }
  .card-identity { margin-bottom: 18px; }
  .card-copy h4 { font-size: 42px; }
  .card-descriptor { margin-top: 16px; font-size: 19px; }
  .card-description { font-size: 16px; }
  .card-tags { margin-top: 18px; }
  .card-actions { margin-top: 24px; }
  .card-media { min-height: 260px; padding: 42px 16px 0; }
  .card-media img { border-radius: 24px 24px 0 0; }
  .card-media.has-artwork { min-height: 390px; padding: 30px 16px; }
  .card-artwork { width: min(82%, 286px); border-radius: 26px; }
  .card-icon { width: 54px; height: 54px; border-radius: 15px; }
  .platform-copy { padding: 42px 24px 34px; }
  .platform-copy h3 { font-size: 45px; }
  .platform-copy > p { font-size: 15px; }
  .platform-button { width: 100%; }
  .platform-map { min-height: 460px; margin: 0 10px 10px; padding: 28px 20px; }
  .platform-node { min-height: 88px; padding: 16px; }
  .platform-node:nth-child(2) { margin-left: 14px; }
  .platform-return { align-items: flex-start; flex-direction: column; }
  .platform-return p { text-align: left; }
  .web-project { --web-card-padding: 24px; min-height: 470px; padding: 30px var(--web-card-padding); border-radius: 26px; }
  .web-project h4 { font-size: 44px; }
  .product-preview-project { min-height: 620px; padding-bottom: 0; }
  .product-preview-project .web-project-preview-frame { aspect-ratio: 4 / 5; }
  .web-project-preview { padding: 44px 12px 12px; }
  .web-project-preview-frame { border-radius: 19px; transform: none; }
  .anatomy-project .web-project-preview { padding-right: 22px; padding-left: 22px; }
  .anatomy-project .web-project-preview-frame { aspect-ratio: 4 / 3; }
  .anatomy-project .web-project-preview img { object-fit: contain; object-position: center; }
  .readee-ticker { display: none; }
  .readee-visual { align-items: flex-start; }
  .qipan-project::before { inset: 10px; border-radius: 20px; }
  .mbti-project { gap: 44px; }
  .type-matrix { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 5px; padding: 10px; box-shadow: 8px 9px 0 rgba(22,33,60,.08); }
  .type-matrix span { min-height: 45px; font-size: 9px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 6px; margin-top: 40px; }
  .privacy-hero { padding-top: 66px; }
  .privacy-hero h1 { font-size: clamp(48px, 14vw, 64px); }
  .privacy-lede { margin-top: 22px; font-size: 16px; }
  .privacy-layout { padding-bottom: 92px; }
  .privacy-content h2 { font-size: 42px; }
  .privacy-content p, .privacy-content li { font-size: 16px; }
  .privacy-apps { grid-template-columns: 1fr; }
  .privacy-app:nth-child(odd) { margin-right: 0; }
}
@media (max-height: 760px) and (min-width: 901px) {
  .app-card { position: relative; top: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .app-card { position: relative; top: auto; }
  [data-reveal] { opacity: 1; transform: none; }
}