:root {
  color-scheme: light;
  --bg-main: #f7f6f2;
  --bg-white: #ffffff;
  --bg-soft: #efede7;
  --text-main: #111111;
  --text-secondary: #55534f;
  --text-muted: #85817b;
  --border-soft: rgba(17,17,17,.12);
  --accent: #f0644e;
  --accent-soft: rgba(240,100,78,.10);
  --mountain-deep: #173f3e;
  --mountain-mid: #456d68;
  --mountain-light: #9aafa8;
  --dark: #111111;
  --dark-text: #ffffff;
  --radius-sm: .5rem;
  --radius-md: .875rem;
  --radius-lg: 1.25rem;
  --radius-pill: 999px;
  --shadow-sm: 0 6px 20px rgba(17,17,17,.08);
  --shadow-md: 0 18px 50px rgba(17,17,17,.12);
  --shadow-lg: 0 28px 80px rgba(17,17,17,.16);
  --container: 77.5rem;
  --gutter: clamp(1.25rem,5vw,4.5rem);
  --section-space: clamp(4.75rem,7vw,6.5rem);
  --font-zh: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-en: Inter,Geist,Manrope,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease: cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg-main); }
body { margin: 0; overflow-x: hidden; color: var(--text-main); background: var(--bg-main); font: 400 1rem/1.72 var(--font-zh); text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; }
figure,p,h1,h2,h3,dl,dd { margin: 0; }
button { color: inherit; font: inherit; }
.container { width: min(calc(100% - (var(--gutter) * 2)),var(--container)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .75rem 1rem; color: var(--dark-text); background: var(--dark); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.eyebrow { font: 750 .7rem/1.3 var(--font-en); letter-spacing: .18em; text-transform: uppercase; }
.brand { font: 850 1.4rem/1 var(--font-en); letter-spacing: -.045em; }
.text-link { display: inline-flex; gap: .6rem; align-items: center; font-weight: 750; }
.text-link span,.service-list b { display: inline-block; transition: transform 260ms var(--ease); }
.text-link:hover span,.service-list a:hover b { transform: translate(.25rem,-.15rem); }
.button { display: inline-flex; min-height: 3.15rem; align-items: center; justify-content: center; padding: .78rem 1.65rem; border: 1px solid transparent; border-radius: var(--radius-pill); font-weight: 750; line-height: 1; transition: transform 280ms var(--ease),box-shadow 280ms ease,background-color 280ms ease,color 280ms ease; }
.button:hover { box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.button:active { transform: translateY(0); }
.button-small { min-height: 2.7rem; padding-inline: 1.25rem; font-size: .8rem; }
.button-dark { color: var(--dark-text); background: var(--dark); }
.button-dark:hover { color: var(--text-main); background: var(--accent); }
.button-accent { color: var(--text-main); background: var(--accent); }
.button-accent:hover { background: #f47a67; }
.button-row { display: flex; flex-wrap: wrap; gap: 1.1rem; align-items: center; }

.site-nav { position: sticky; z-index: 40; top: 0; background: var(--bg-main); border-bottom: 1px solid var(--border-soft); transition: background-color 300ms ease,box-shadow 300ms ease,border-color 300ms ease; }
.site-nav.is-scrolled { background: rgba(247,246,242,.9); border-color: transparent; box-shadow: var(--shadow-sm); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.nav-row { display: grid; min-height: 5rem; grid-template-columns: auto 1fr auto; gap: 2rem; align-items: center; }
.desktop-nav { display: flex; justify-content: center; gap: clamp(1rem,2.2vw,2.2rem); }
.desktop-nav a,.language-link { position: relative; font-size: .8rem; font-weight: 700; }
.desktop-nav a::after { content: ""; position: absolute; right: 0; bottom: -.55rem; left: 0; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 220ms ease; }
.desktop-nav a:hover::after { transform: scaleX(1); }
.nav-actions { display: flex; gap: 1.1rem; align-items: center; }
.mobile-nav { display: none; }

.hero { position: relative; isolation: isolate; min-height: calc(100svh - 5rem); padding: clamp(4rem,6vw,6rem) 0 clamp(4rem,6vw,5.5rem); overflow: hidden; background: var(--mountain-deep); }
.hero::before { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg,rgba(247,246,242,.94) 0%,rgba(247,246,242,.82) 29%,rgba(247,246,242,.46) 52%,rgba(247,246,242,.13) 72%,rgba(247,246,242,.04) 100%); pointer-events: none; }
.hero-background { position: absolute; z-index: 0; inset: 0; overflow: hidden; }
.hero-background::after { content: ""; position: absolute; inset: 0; background: rgba(9,31,33,.08); }
.hero-background img { width: 100%; height: 100%; object-fit: cover; object-position: center 48%; filter: saturate(.84) contrast(1.02) brightness(.94); }
.hero-grid { position: relative; z-index: 2; display: grid; min-height: inherit; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 1.5rem; align-items: center; }
.hero-copy { position: relative; z-index: 3; grid-column: 1 / span 7; }
.hero-copy::before { content: ""; position: absolute; top: 2.1rem; right: -4rem; width: 10rem; height: 2px; background: var(--accent); }
.hero h1 { display: grid; margin: 1.4rem 0 1.85rem; font: 850 clamp(4.5rem,7vw,6rem)/.84 var(--font-en); letter-spacing: -.072em; text-transform: uppercase; }
.hero h1 span:nth-child(2) { margin-left: clamp(1.5rem,4vw,4rem); }
.hero h1 span:nth-child(3) { color: var(--accent); }
.hero-intro { max-width: 34rem; margin-bottom: 1.8rem; color: var(--text-secondary); font-size: clamp(1.05rem,1.4vw,1.2rem); }
.hero-portrait { --visual-shift: 0px; position: relative; grid-column: 8 / -1; min-height: 35rem; transform: translate3d(0,var(--visual-shift),0); }
.portrait-frame { position: absolute; z-index: 2; right: 2%; bottom: 2.45rem; width: 78%; overflow: hidden; border: 1px solid rgba(205,210,207,.56); border-radius: 48% 48% 2.6rem 2.6rem; background: rgba(231,232,228,.12); box-shadow: 0 0 0 2px rgba(215,218,214,.16),0 14px 34px rgba(10,28,29,.16); }
.portrait-frame img { aspect-ratio: 1 / 1.02; object-fit: cover; object-position: center; filter: none; mix-blend-mode: normal; }
.hero-portrait figcaption { position: absolute; z-index: 3; right: 1.25rem; bottom: .75rem; left: 1.25rem; display: flex; justify-content: space-between; gap: 1rem; padding-top: .7rem; border-top: 1px solid rgba(255,255,255,.72); color: rgba(255,255,255,.94); font: 700 .63rem/1.3 var(--font-en); letter-spacing: .12em; text-shadow: 0 1px 8px rgba(0,0,0,.32); }

.section { padding-block: var(--section-space); border-top: 1px solid var(--border-soft); }
.section-head { display: grid; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 1.5rem; align-items: end; margin-bottom: clamp(2.75rem,4.5vw,4rem); }
.section-head > div { grid-column: 1 / span 7; }
.section-head > p,.section-head > .text-link { grid-column: 9 / -1; max-width: 26rem; color: var(--text-secondary); justify-self: start; }
.section-head .eyebrow,.services header .eyebrow { margin-bottom: 1rem; color: var(--accent); }
.section-head h2,.services h2,.services-page h1 { max-width: 20ch; font-size: clamp(2.25rem,3.1vw,2.65rem); font-weight: 680; line-height: 1.12; letter-spacing: -.045em; }
.work-head h2 { max-width: none; white-space: nowrap; font: 850 clamp(2.85rem,5vw,4rem)/.92 var(--font-en); letter-spacing: -.06em; }

.selected-work { background: var(--bg-white); }
.work-switcher { display: grid; grid-template-columns: minmax(0,7fr) minmax(22rem,5fr); gap: clamp(2.5rem,5vw,5.5rem); align-items: stretch; }
.case-stage { position: relative; min-height: 34rem; overflow: hidden; border-radius: var(--radius-lg); background: var(--dark); box-shadow: var(--shadow-md); }
.case-panel { position: absolute; z-index: 0; inset: 0; overflow: hidden; border-radius: inherit; opacity: 0; visibility: hidden; transform: translateY(9px) scale(.994); transition: opacity 420ms ease,transform 420ms var(--ease),visibility 420ms; }
.case-panel.is-active { z-index: 1; opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.case-cover-label { position: absolute; z-index: 5; top: 1.35rem; right: 1.5rem; left: 1.5rem; display: flex; justify-content: space-between; gap: 1rem; color: var(--dark-text); font: 700 .62rem/1.3 var(--font-en); letter-spacing: .13em; }
.cover-craftsman::before { content: ""; position: absolute; top: 18%; right: -12%; width: 45%; aspect-ratio: 1; border-radius: 50%; background: var(--accent); }
.case-main { position: absolute; z-index: 1; top: 15%; left: 7%; width: 76%; height: 65%; overflow: hidden; border-radius: var(--radius-md); box-shadow: var(--shadow-md); transition: transform 450ms var(--ease); }
.case-main img { height: 100%; object-fit: cover; object-position: top; }
.case-detail { position: absolute; z-index: 2; right: 7%; bottom: 8%; width: 25%; height: 65%; overflow: hidden; border: 1px solid rgba(255,255,255,.34); border-radius: var(--radius-md); background: var(--bg-white); box-shadow: var(--shadow-lg); transition: transform 450ms var(--ease); }
.case-detail img { height: 100%; object-fit: cover; object-position: top; }
.case-cover-metric { position: absolute; z-index: 3; bottom: 1.4rem; left: 1.5rem; display: grid; color: var(--dark-text); }
.case-cover-metric strong { color: var(--accent); font: 850 clamp(2.6rem,4.4vw,4.5rem)/.8 var(--font-en); letter-spacing: -.065em; }
.case-cover-metric span { margin-top: .7rem; font: 700 .62rem/1 var(--font-en); letter-spacing: .14em; }
.case-stage:has(.cover-craftsman.is-active):hover .case-main { transform: translate(-3px,-3px) scale(1.008); }
.case-stage:has(.cover-craftsman.is-active):hover .case-detail { transform: translate(3px,-5px); }
.cover-psclass { background: #182d2c; }
.cover-psclass::before { content: ""; position: absolute; right: 8%; bottom: 11%; width: 32%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; }
.ps-main { position: absolute; z-index: 1; top: 16%; right: 7%; left: 7%; height: 58%; overflow: hidden; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); }
.ps-main img { height: 100%; object-fit: cover; object-position: top; }
.ps-detail { position: absolute; z-index: 2; right: 6%; bottom: 7%; width: 42%; height: 28%; overflow: hidden; border: 1px solid rgba(255,255,255,.28); border-radius: var(--radius-sm); box-shadow: var(--shadow-md); }
.ps-detail img { height: 100%; object-fit: cover; object-position: center 28%; transform: scale(1.08); }
.ps-metrics { position: absolute; z-index: 3; bottom: 1.4rem; left: 1.5rem; display: flex; gap: 2rem; color: var(--dark-text); font: 700 .58rem/1.2 var(--font-en); letter-spacing: .1em; }
.ps-metrics span { display: grid; gap: .25rem; }
.ps-metrics strong { color: var(--accent); font-size: clamp(1.4rem,2.5vw,2.4rem); letter-spacing: -.04em; }
.cover-ethanup { color: var(--dark-text); background: #132827; }
.cover-ethanup::after { content: ""; position: absolute; top: 24%; right: 5%; width: 25%; aspect-ratio: 1; border-radius: 50%; background: var(--accent); }
.ethan-browser { position: absolute; z-index: 1; top: 14%; right: 8%; left: 7%; height: 65%; overflow: hidden; border: 1px solid rgba(255,255,255,.28); border-radius: var(--radius-md); color: var(--text-main); background: var(--bg-main); box-shadow: var(--shadow-lg); }
.browser-bar { display: flex; height: 2rem; padding: 0 .8rem; align-items: center; gap: .35rem; border-bottom: 1px solid var(--border-soft); }
.browser-bar i { width: .38rem; height: .38rem; border-radius: 50%; background: var(--text-muted); }
.browser-bar span { margin-left: auto; color: var(--text-muted); font: 650 .55rem/1 var(--font-en); }
.browser-content { padding: clamp(1.4rem,3vw,2.5rem); }
.browser-content small { color: var(--accent); font: 750 .58rem/1 var(--font-en); letter-spacing: .12em; }
.browser-content strong { display: block; margin: 1.25rem 0 1rem; font: 850 clamp(2.3rem,4vw,4.2rem)/.84 var(--font-en); letter-spacing: -.065em; }
.browser-content p { max-width: 24rem; color: var(--text-secondary); font-size: .82rem; }
.system-index { position: absolute; z-index: 3; bottom: 1.4rem; left: 1.5rem; display: flex; gap: 1.2rem; font: 700 .58rem/1 var(--font-en); letter-spacing: .1em; }
.ethan-product-mark { position: absolute; z-index: 3; right: 1.4rem; bottom: 1.2rem; display: grid; text-align: right; }
.ethan-product-mark b { color: var(--accent); font: 850 1.25rem/1 var(--font-en); }
.ethan-product-mark span { margin-top: .35rem; font: 650 .52rem/1 var(--font-en); letter-spacing: .1em; }

.project-tabs { border-top: 1px solid var(--text-main); }
.project-item { display: grid; grid-template-columns: 1fr 3rem; border-bottom: 1px solid var(--border-soft); transition: background-color 280ms ease,box-shadow 280ms ease; }
.project-item:hover,.project-item:focus-within { background: rgba(247,246,242,.72); }
.project-item.is-active { background: rgba(240,100,78,.065); box-shadow: inset 3px 0 0 var(--accent); }
.project-item > button { display: grid; min-height: 10.6rem; padding: 1.25rem 1rem 1.25rem 1.4rem; grid-template-columns: 2.5rem 1fr; gap: .85rem; align-content: center; border: 0; text-align: left; background: transparent; cursor: pointer; }
.project-item > a { display: grid; place-items: center; color: var(--text-muted); font-size: 1.15rem; transition: color 220ms ease,transform 220ms var(--ease); }
.project-item:hover > a,.project-item:focus-within > a,.project-item.is-active > a { color: var(--accent); transform: translateX(.25rem); }
.project-number { grid-row: 1 / span 2; color: var(--text-muted); font: 800 .68rem/1.4 var(--font-en); transition: color 220ms ease; }
.project-item.is-active .project-number { color: var(--accent); }
.project-item.is-active .project-name strong { color: #191817; font-weight: 850; }
.project-name { display: grid; }
.project-name strong { font: 800 clamp(1.5rem,2.3vw,2rem)/1 var(--font-en); letter-spacing: -.04em; }
.project-name small { margin-top: .45rem; color: var(--text-muted); font: 700 .58rem/1.3 var(--font-en); letter-spacing: .1em; }
.project-data { grid-column: 2; margin-top: .65rem; color: var(--text-secondary); font-size: .78rem; line-height: 1.45; }

.proof { background: var(--bg-main); }
.proof-head h2 { max-width: none; }
.proof-composition { position: relative; display: grid; width: 100%; height: clamp(34rem,45vw,40rem); padding: 1.15rem; grid-template-columns: .62fr 1fr 1fr; grid-template-rows: 2.4rem minmax(0,1fr) minmax(0,1fr); grid-template-areas: "head head head" "profile profile channel" "reel analytics analytics"; gap: .9rem; overflow: hidden; contain: layout paint; border: 1px solid rgba(23,63,62,.2); border-radius: var(--radius-lg); background: #dfe5e2; box-shadow: inset 0 0 0 7px rgba(255,255,255,.28); }
.evidence-board-head { display: flex; min-width: 0; grid-area: head; justify-content: space-between; align-items: center; padding: 0 .3rem .65rem; border-bottom: 1px solid rgba(23,63,62,.28); color: var(--mountain-deep); font: 800 .7rem/1 var(--font-en); letter-spacing: .16em; }
.evidence-board-head span:last-child { color: var(--text-muted); }
.proof-shot { position: relative; display: grid; width: 100%; height: 100%; min-width: 0; min-height: 0; grid-template-rows: minmax(0,1fr) 2.15rem; overflow: hidden; contain: layout paint; border: 1px solid rgba(17,17,17,.14); border-radius: var(--radius-sm); background: var(--bg-white); box-shadow: 0 12px 28px rgba(17,17,17,.1); }
.proof-shot picture { display: block; width: 100%; height: 100%; min-width: 0; min-height: 0; overflow: hidden; }
.proof-shot img { width: 100%; height: 100%; max-width: none; object-fit: cover; object-position: center 12%; }
.proof-shot figcaption { display: flex; min-width: 0; height: 2.15rem; padding-inline: .8rem; align-items: center; overflow: hidden; border-top: 1px solid rgba(17,17,17,.08); color: var(--text-muted); font: 750 .65rem/1 var(--font-en); letter-spacing: .1em; white-space: nowrap; }
.proof-shot figcaption::before { margin-right: .55rem; color: var(--accent); }
.proof-instagram-profile { grid-area: profile; }
.proof-instagram-profile figcaption::before { content: "01"; }
.proof-youtube-channel { grid-area: channel; }
.proof-youtube-channel figcaption::before { content: "02"; }
.proof-instagram-reel { grid-area: reel; }
.proof-instagram-reel figcaption::before { content: "03"; }
.proof-youtube-analytics { grid-area: analytics; }
.proof-youtube-analytics figcaption::before { content: "04"; }
.proof-instagram-profile img { object-position: center 8%; }
.proof-youtube-channel img { object-position: center 10%; }
.proof-instagram-reel img { object-position: center 4%; }
.proof-youtube-analytics img { object-position: center 20%; }
.proof-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin-top: 2.5rem; border-top: 1px solid var(--text-main); }
.proof-grid > div { min-width: 0; padding: 1.35rem 1.5rem 1.35rem 0; border-bottom: 1px solid var(--border-soft); }
.proof-grid > div + div { padding-left: 1.5rem; border-left: 1px solid var(--border-soft); }
.proof-grid span { color: var(--accent); font: 800 .68rem/1 var(--font-en); }
.proof-grid strong { display: block; margin: 1.25rem 0 .65rem; font: 820 clamp(2rem,3.5vw,3.4rem)/.9 var(--font-en); letter-spacing: -.055em; }
.proof-grid p { max-width: 12rem; color: var(--text-secondary); font-size: .8rem; line-height: 1.5; }

.services { background: var(--bg-soft); }
.services-layout { display: grid; grid-template-columns: minmax(28rem,5fr) 7fr; gap: clamp(3rem,7vw,7rem); align-items: start; }
.services header { position: sticky; top: 8rem; }
.services h2 { max-width: none; font-size: clamp(2.15rem,2.8vw,2.5rem); white-space: nowrap; }
.services header > p:not(.eyebrow) { max-width: 27rem; margin: 1.4rem 0; color: var(--text-secondary); }
.service-list { border-top: 1px solid var(--text-main); }
.service-list a { display: grid; min-height: 5.2rem; grid-template-columns: 3rem 1fr 9rem auto; gap: 1rem; align-items: center; border-bottom: 1px solid var(--border-soft); transition: padding 280ms var(--ease),background-color 280ms ease; }
.service-list a:hover { padding-inline: .7rem; background: var(--bg-white); }
.service-list span { color: var(--text-muted); font: 700 .67rem/1 var(--font-en); }
.service-list strong { font-size: clamp(1.12rem,1.55vw,1.4rem); font-weight: 680; letter-spacing: -.025em; }
.service-list small { color: var(--text-muted); font: 700 .59rem/1.3 var(--font-en); letter-spacing: .1em; }
.service-list b { font-size: 1.1rem; }
.service-feature strong,.service-feature b { color: var(--accent); }

.products { background: var(--bg-white); }
.product-editorial { display: grid; gap: clamp(4.5rem,8vw,7rem); }
.product { display: grid; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 1.5rem; align-items: center; }
.product-visual { --visual-shift: 0px; position: relative; min-height: 34rem; overflow: hidden; border: 1px solid var(--border-soft); border-radius: var(--radius-lg); background: var(--bg-soft); transform: translate3d(0,var(--visual-shift),0); }
.product-handbook .product-visual { grid-column: 1 / span 6; }
.product-handbook .product-copy { grid-column: 8 / -1; }
.product-visual picture { position: absolute; top: 8%; left: 50%; width: 52%; overflow: hidden; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); transform: translateX(-50%) rotate(-2deg); transition: transform 450ms var(--ease); }
.product-visual:hover picture { transform: translate(-50%,-6px) rotate(-1deg); }
.product-number { position: absolute; top: 1.2rem; left: 1.3rem; color: var(--accent); font: 850 clamp(3rem,5vw,5rem)/1 var(--font-en); letter-spacing: -.06em; }
.product-caption { position: absolute; right: 1.3rem; bottom: 1.2rem; left: 1.3rem; padding-top: .75rem; border-top: 1px solid var(--border-soft); color: var(--text-muted); font: 700 .6rem/1.3 var(--font-en); letter-spacing: .11em; }
.product-copy h3 { margin: 1rem 0 1.4rem; font-size: clamp(2rem,3.1vw,2.7rem); font-weight: 680; line-height: 1.12; letter-spacing: -.045em; }
.product-copy > p:not(.eyebrow) { max-width: 32rem; margin-bottom: 1.75rem; color: var(--text-secondary); }
.product-ai .product-copy { grid-column: 1 / span 5; }
.product-ai .product-visual { grid-column: 7 / -1; background: #e7eff2; box-shadow: inset 0 0 0 1px rgba(23,63,62,.06); }
.product-ai .product-number { font-size: clamp(3.25rem,5.3vw,5.35rem); }
.product-ai .product-visual picture { box-shadow: 0 30px 84px rgba(17,17,17,.17); }
.product-ai .product-visual picture { transform: translateX(-50%) rotate(1.5deg); }
.product-ai .product-visual:hover picture { transform: translate(-50%,-6px) rotate(.6deg); }
.formal-title { padding-top: 1rem; border-top: 1px solid var(--border-soft); font-size: .8rem; }

.contact-strip { padding: clamp(3.5rem,5vw,4.75rem) 0; border-top: 1px solid var(--border-soft); background: var(--bg-soft); }
.contact-layout { position: relative; display: grid; grid-template-columns: minmax(14rem,4fr) minmax(0,8fr); gap: clamp(2rem,6vw,6rem); align-items: start; }
.contact-layout header .eyebrow { margin-bottom: .8rem; color: var(--accent); }
.contact-layout h2 { font-size: clamp(2rem,3vw,2.7rem); font-weight: 680; line-height: 1.1; letter-spacing: -.045em; }
.contact-items { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--text-main); }
.contact-items a,.contact-items button { display: grid; min-width: 0; min-height: 7.5rem; padding: 1.05rem 1rem; grid-template-columns: 1fr auto; align-content: space-between; gap: .6rem; border: 0; border-bottom: 1px solid var(--border-soft); text-align: left; background: transparent; cursor: pointer; transition: background-color 220ms ease; }
.contact-items a + a,.contact-items a + button,.contact-items button + a { border-left: 1px solid var(--border-soft); }
.contact-items a:hover,.contact-items button:hover,.contact-items a:focus-visible,.contact-items button:focus-visible { background: rgba(255,255,255,.62); }
.contact-items span { grid-column: 1 / -1; color: var(--text-muted); font: 750 .63rem/1 var(--font-en); letter-spacing: .12em; text-transform: uppercase; }
.contact-items strong { min-width: 0; overflow-wrap: anywhere; font-size: clamp(.88rem,1.15vw,1rem); font-weight: 720; }
.contact-items b { color: var(--accent); font: 750 .66rem/1 var(--font-en); transition: transform 220ms var(--ease); }
.contact-items a:hover b,.contact-items button:hover b { transform: translateX(.25rem); }
.contact-status { position: absolute; right: 0; bottom: -1.65rem; min-height: 1.3rem; color: var(--text-muted); font-size: .72rem; }
.footer { padding: 3rem 0 1.5rem; color: var(--dark-text); background: var(--dark); }
.footer-layout { display: grid; grid-template-columns: minmax(16rem,5fr) minmax(20rem,5fr) minmax(8rem,2fr); gap: clamp(2rem,5vw,5rem); padding-bottom: 2.5rem; }
.footer-brand { display: block; }
.footer-brand .brand { font-size: clamp(2.3rem,4vw,3.6rem); }
.footer-brand p { max-width: 23rem; margin-top: 1rem; color: rgba(255,255,255,.58); }
.footer-nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .8rem 2rem; align-content: start; }
.footer-utility { display: grid; gap: .8rem; align-content: start; }
.footer-nav a,.footer-utility a { color: rgba(255,255,255,.76); font-size: .86rem; }
.footer-nav a:hover,.footer-utility a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.44); font: 650 .65rem/1.4 var(--font-en); letter-spacing: .08em; text-transform: uppercase; }

/* Services V3.5 */
.services-page .desktop-nav a[aria-current="page"] { color: var(--accent); }
.services-hero { padding: clamp(5rem,8vw,8rem) 0; overflow: hidden; border-bottom: 1px solid var(--border-soft); background: var(--bg-main); }
.services-hero-grid { display: grid; min-height: 36rem; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 1.5rem; align-items: center; }
.services-hero-copy { grid-column: 1 / span 6; }
.services-hero-copy .eyebrow { color: var(--accent); }
.services-page .services-hero-copy h1 { max-width: none; margin: 1.15rem 0 1.5rem; font-size: clamp(3rem,5vw,4.8rem); font-weight: 720; line-height: .98; letter-spacing: -.065em; white-space: nowrap; }
.services-hero-copy > p:not(.eyebrow) { max-width: 34rem; color: var(--text-secondary); font-size: clamp(1rem,1.35vw,1.18rem); }
.services-hero-copy .text-link { margin-top: 1.8rem; }
.service-process-visual { position: relative; grid-column: 8 / -1; min-height: 34rem; padding: clamp(2rem,4vw,4rem); display: grid; place-items: center; overflow: hidden; border: 1px solid rgba(23,63,62,.16); border-radius: var(--radius-lg); background: #dfe6e3; }
.service-process-visual::before { content: ""; position: absolute; top: 8%; right: -15%; width: 68%; aspect-ratio: 1; border: 1px solid rgba(23,63,62,.18); border-radius: 50%; }
.service-process-visual::after { content: ""; position: absolute; right: 11%; bottom: 10%; width: 4.5rem; height: .25rem; background: var(--accent); }
.process-board { position: relative; z-index: 1; width: min(100%,29rem); padding: clamp(1.5rem,3vw,2.4rem); border-radius: var(--radius-md); color: var(--dark-text); background: var(--mountain-deep); box-shadow: 0 28px 70px rgba(15,38,38,.2); }
.process-board-head { display: flex; justify-content: space-between; padding-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,.2); font: 750 .62rem/1 var(--font-en); letter-spacing: .14em; }
.process-board-head span:last-child { color: var(--accent); }
.process-board h2 { margin: 1.5rem 0 .3rem; font-size: clamp(1.8rem,2.7vw,2.25rem); font-weight: 680; line-height: 1; letter-spacing: -.04em; }
.process-board ol { margin: 0; padding: 1rem 0 0; list-style: none; }
.process-board li { display: grid; min-height: 5.25rem; grid-template-columns: 2.5rem 1fr; gap: 1rem; align-items: center; border-bottom: 1px solid rgba(255,255,255,.16); }
.process-board li > span { color: var(--accent); font: 800 .67rem/1 var(--font-en); }
.process-board li div { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: baseline; }
.process-board strong { font: 680 clamp(1.35rem,2vw,1.65rem)/1.1 var(--font-zh); letter-spacing: -.025em; white-space: nowrap; }
.process-board small { color: rgba(255,255,255,.52); font: 700 .64rem/1 var(--font-en); letter-spacing: .08em; white-space: nowrap; }
.process-board > p { margin-top: 2rem; color: rgba(255,255,255,.62); font: 750 .62rem/1.6 var(--font-en); letter-spacing: .14em; }

.services-directory { background: var(--bg-white); }
.services-directory-head .eyebrow { color: var(--accent); }
.services-directory-head h2 { max-width: none; }
.service-ledger { border-top: 1px solid var(--text-main); }
.service-entry { display: grid; min-height: 23rem; padding: clamp(2.25rem,4vw,3.5rem) 0; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 1.5rem; align-items: start; border-bottom: 1px solid var(--border-soft); }
.service-entry:nth-child(odd) { margin-inline: calc(var(--gutter) * -.35); padding-inline: calc(var(--gutter) * .35); background: #f1f3f0; }
.service-entry-number { grid-column: 1; color: var(--accent); font: 850 clamp(2.5rem,4vw,4rem)/.85 var(--font-en); letter-spacing: -.06em; }
.service-entry > header { grid-column: 2 / span 4; }
.service-entry > header .eyebrow { margin-bottom: .85rem; color: var(--text-muted); }
.service-entry h3 { margin-bottom: 1.15rem; font-size: clamp(1.8rem,2.7vw,2.5rem); font-weight: 680; line-height: 1.08; letter-spacing: -.045em; }
.service-entry > header > p:last-child { max-width: 29rem; color: var(--text-secondary); }
.service-entry dl { grid-column: 7 / span 4; margin: 0; border-top: 1px solid var(--border-soft); }
.service-entry dl > div { display: grid; padding: .9rem 0; grid-template-columns: 3.25rem 1fr; gap: .8rem; border-bottom: 1px solid var(--border-soft); }
.service-entry dt { color: var(--text-muted); font: 750 .64rem/1.5 var(--font-en); letter-spacing: .1em; }
.service-entry dd { margin: 0; color: var(--text-secondary); font-size: .86rem; line-height: 1.65; }
.service-entry-link { grid-column: 12; display: inline-flex; min-height: 3rem; padding: .65rem .1rem; justify-content: flex-end; align-items: center; gap: .7rem; color: var(--text-main); font-size: 1rem; font-weight: 780; white-space: nowrap; }
.service-entry-link span { color: var(--accent); transition: transform 220ms var(--ease); }
.service-entry-link:hover span,.service-entry-link:focus-visible span { transform: translateX(.25rem); }

.service-entry-feature { grid-template-rows: auto auto; }
.service-entry-feature > header { grid-column: 2 / span 4; }
.service-entry-feature > header .eyebrow { color: var(--accent); }
.website-scope { grid-column: 7 / -1; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 1px solid rgba(23,63,62,.4); }
.website-scope span { min-height: 3.15rem; padding: .9rem .75rem .8rem 0; border-bottom: 1px solid rgba(23,63,62,.17); font-size: .86rem; }
.website-scope span:nth-child(even) { padding-left: .9rem; border-left: 1px solid rgba(23,63,62,.17); }
.website-note { grid-column: 2 / span 4; display: grid; grid-template-columns: 5rem 1fr; gap: 1rem; padding-top: 1.25rem; border-top: 1px solid rgba(23,63,62,.22); }
.website-note span { color: var(--accent); font: 800 .64rem/1.5 var(--font-en); letter-spacing: .08em; }
.website-note p { color: var(--text-secondary); font-size: .78rem; line-height: 1.6; }
.service-entry-feature .service-entry-link { grid-column: 7 / -1; justify-self: end; align-self: end; }

.services-page .contact-strip { background: var(--bg-soft); }

@media (max-width:64rem) {
  .services-hero-grid { min-height: 32rem; }
  .services-hero-copy { grid-column: 1 / span 6; }
  .service-process-visual { grid-column: 7 / -1; min-height: 29rem; padding: 2rem; }
  .service-entry { min-height: 21rem; }
  .service-entry > header,.service-entry-feature > header { grid-column: 2 / span 5; }
  .service-entry dl { grid-column: 7 / span 5; }
  .service-entry-link { grid-column: 7 / -1; grid-row: 2; justify-self: end; align-self: end; }
  .website-scope { grid-column: 7 / -1; }
  .website-note { grid-column: 2 / span 5; }
  .service-entry-feature .service-entry-link { grid-row: 2; }
}

@media (max-width:47.999rem) {
  .services-hero { padding: 3.75rem 0 4.25rem; }
  .services-hero-grid { display: block; min-height: auto; }
  .services-page .services-hero-copy h1 { max-width: none; margin: 1rem 0 1.25rem; font-size: clamp(2.35rem,10.4vw,2.75rem); line-height: 1.02; white-space: nowrap; }
  .services-hero-copy > p:not(.eyebrow) { font-size: 1rem; }
  .service-process-visual { min-height: 27rem; margin-top: 2.75rem; padding: 1.15rem; border-radius: var(--radius-md); }
  .process-board { padding: 1.35rem; }
  .process-board li { min-height: 4.8rem; }
  .process-board strong { font-size: 1.35rem; }
  .process-board small { font-size: .7rem; }
  .services-directory-head h2 { font-size: 1.9rem; }
  .service-entry { display: block; min-height: 0; padding: 2.75rem 0; }
  .service-entry-number { margin-bottom: 1.75rem; font-size: 3.25rem; }
  .service-entry h3 { margin-bottom: 1rem; font-size: 1.85rem; }
  .service-entry dl { margin-top: 2rem; }
  .service-entry dl > div { grid-template-columns: 3rem 1fr; }
  .service-entry-link { margin-top: 1.6rem; justify-content: flex-start; }
  .service-entry:nth-child(odd) { margin-inline: calc(var(--gutter) * -1); padding: 2.75rem var(--gutter); }
  .service-entry-feature { margin-inline: 0; padding: 2.75rem 0; }
  .website-scope { margin-top: 2rem; grid-template-columns: 1fr; }
  .website-scope span:nth-child(even) { padding-left: 0; border-left: 0; }
  .website-note { margin-top: 1.5rem; grid-template-columns: 1fr; gap: .5rem; }
  .service-entry-feature .service-entry-link { justify-self: auto; }
}

html.has-js .reveal { opacity: 0; transform: translateY(20px); transition: opacity 740ms var(--ease),transform 740ms var(--ease); transition-delay: var(--reveal-delay,0ms); }
html.has-js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width:64rem) {
  :root { --gutter: clamp(2rem,5vw,3.25rem); --section-space: clamp(4.25rem,7vw,5.5rem); }
  .nav-row { grid-template-columns: auto 1fr; min-height: 4.5rem; }
  .desktop-nav,.nav-actions { display: none; }
  .mobile-nav { display: block; justify-self: end; }
  .menu-toggle { position: relative; z-index: 2; display: grid; width: 2.85rem; height: 2.85rem; padding: 0; place-content: center; gap: .38rem; border: 1px solid var(--border-soft); border-radius: var(--radius-pill); color: var(--text-main); background: var(--bg-white); cursor: pointer; }
  .menu-toggle span { display: block; width: 1.05rem; height: 1px; background: currentColor; transition: transform 260ms var(--ease); }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(.2rem) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-.2rem) rotate(-45deg); }
  .mobile-menu { position: fixed; z-index: 1; top: 4.5rem; right: 0; bottom: 0; left: 0; display: grid; align-content: start; padding: 2rem var(--gutter); overflow-y: auto; background: var(--bg-main); opacity: 0; visibility: hidden; transform: translateY(-1rem); transition: opacity 300ms ease,transform 300ms var(--ease),visibility 300ms; }
  .mobile-menu.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .mobile-menu > a:not(.button) { padding: .85rem 0; border-bottom: 1px solid var(--border-soft); font-size: clamp(1.3rem,4vw,1.75rem); font-weight: 700; }
  .mobile-menu .button { margin-top: 1.5rem; }
  .hero { min-height: auto; }
  .hero-copy { grid-column: 1 / span 7; }
  .hero-portrait { grid-column: 8 / -1; min-height: 29rem; }
  .work-switcher { grid-template-columns: 1.15fr .85fr; gap: 2rem; }
  .case-stage { min-height: 29rem; }
  .project-item > button { min-height: 9rem; padding-left: 1rem; }
  .services-layout { grid-template-columns: 1fr; gap: 3rem; }
  .services header { position: static; }
  .services h2 { white-space: normal; }
  .product-visual { min-height: 30rem; }
  .footer-layout { grid-template-columns: 1.2fr 1fr .7fr; gap: 2rem; }
}

@media (max-width:47.999rem) {
  :root { --gutter: 1.25rem; --section-space: clamp(3.75rem,13vw,4.75rem); }
  body { font-size: .95rem; }
  .hero { padding: 3.25rem 0 3.5rem; }
  .hero::before { background: linear-gradient(180deg,rgba(247,246,242,.92) 0%,rgba(247,246,242,.78) 37%,rgba(247,246,242,.34) 62%,rgba(247,246,242,.12) 100%); }
  .hero-background img { object-position: 56% center; }
  .hero-grid { display: block; }
  .hero-copy::before { top: 1.9rem; right: -1.25rem; width: 5.5rem; }
  .hero h1 { margin-block: 1.2rem 1.45rem; font-size: clamp(3.35rem,14.5vw,3.8rem); line-height: .86; }
  .hero h1 span:nth-child(2) { margin-left: 1.25rem; }
  .hero-intro { margin-bottom: 1.45rem; font-size: 1rem; }
  .brand { font-size: 1.2rem; }
  .hero-portrait { width: min(94vw,27rem); min-height: 27rem; margin: 2rem -1.1rem 0 auto; }
  .portrait-frame { right: 5%; bottom: 2.15rem; width: 72%; }
  .hero-portrait figcaption { right: 1rem; left: 1rem; font-size: .54rem; }
  .section-head { display: block; margin-bottom: 2.5rem; }
  .section-head h2,.services h2,.services-page h1 { max-width: 100%; font-size: clamp(1.75rem,7.7vw,2rem); line-height: 1.15; }
  .work-head h2 { white-space: normal; font-size: clamp(2.55rem,12vw,3.2rem); line-height: .92; }
  .section-head > p,.section-head > .text-link { margin-top: 1.25rem; }
  .work-switcher { display: block; }
  .case-stage { min-height: 27rem; }
  .case-cover-label { top: 1rem; right: 1rem; left: 1rem; font-size: .53rem; }
  .case-main { top: 15%; left: 5%; width: 82%; height: 61%; }
  .case-detail { right: 5%; bottom: 10%; width: 30%; height: 63%; }
  .case-cover-metric { bottom: 1.1rem; left: 1rem; }
  .case-cover-metric strong { font-size: 2.5rem; }
  .ps-main { top: 15%; right: 5%; left: 5%; height: 57%; }
  .ps-detail { right: 5%; width: 48%; height: 30%; }
  .ps-metrics { bottom: 1rem; left: 1rem; gap: 1rem; font-size: .48rem; }
  .ps-metrics strong { font-size: 1.35rem; }
  .ethan-browser { top: 14%; right: 5%; left: 5%; height: 65%; }
  .browser-content { padding: 1.25rem; }
  .browser-content strong { font-size: 2.25rem; }
  .browser-content p { font-size: .7rem; }
  .system-index { bottom: 1rem; left: 1rem; gap: .65rem; font-size: .45rem; }
  .ethan-product-mark { right: 1rem; bottom: .9rem; }
  .project-tabs { margin-top: 1.5rem; }
  .project-item > button { min-height: 7.25rem; grid-template-columns: 2rem 1fr; padding: 1rem .5rem 1rem 1rem; }
  .project-name strong { font-size: 1.35rem; }
  .project-data { font-size: .72rem; }
  .proof-composition { height: 44rem; padding: .8rem; grid-template-columns: .72fr 1.28fr; grid-template-rows: 2.25rem minmax(0,1fr) minmax(0,1fr) minmax(0,1.35fr); grid-template-areas: "head head" "profile profile" "channel channel" "reel analytics"; gap: .65rem; }
  .evidence-board-head { font-size: .625rem; letter-spacing: .12em; }
  .proof-shot { grid-template-rows: minmax(0,1fr) 2rem; }
  .proof-shot figcaption { height: 2rem; padding-inline: .6rem; font-size: .625rem; letter-spacing: .07em; }
  .proof-instagram-profile img { object-position: center 7%; }
  .proof-youtube-channel img { object-position: center 9%; }
  .proof-instagram-reel img { object-position: center 3%; }
  .proof-youtube-analytics img { object-position: center 18%; }
  .proof-grid { grid-template-columns: 1fr 1fr; margin-top: 2rem; }
  .proof-grid > div,.proof-grid > div + div { padding: 1.1rem .85rem 1.1rem 0; }
  .proof-grid > div:nth-child(even) { padding-left: .85rem; }
  .proof-grid strong { margin: .95rem 0 .45rem; font-size: clamp(1.7rem,9vw,2.3rem); }
  .proof-grid p { font-size: .71rem; }
  .services-layout { display: block; }
  .services header { margin-bottom: 2.5rem; }
  .services h2 { white-space: normal; }
  .services header > p:not(.eyebrow) { max-width: 22rem; }
  .service-list a { min-height: 4.55rem; grid-template-columns: 2rem 1fr auto; }
  .service-list small { display: none; }
  .service-list strong { font-size: 1.08rem; }
  .product-editorial { gap: 4.25rem; }
  .product { display: flex; flex-direction: column; align-items: stretch; gap: 2.1rem; }
  .product-ai .product-copy { order: 2; }
  .product-ai .product-visual { order: 1; }
  .product-visual { min-height: 26rem; }
  .product-visual picture { width: 58%; }
  .product-copy h3 { font-size: 1.9rem; }
  .contact-layout { display: block; }
  .contact-layout header { margin-bottom: 2rem; }
  .contact-items { grid-template-columns: 1fr; }
  .contact-items a,.contact-items button { min-height: 5.5rem; padding: .9rem .75rem; }
  .contact-items a + a,.contact-items a + button,.contact-items button + a { border-left: 0; }
  .contact-status { position: static; margin-top: .75rem; }
  .footer-layout { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { display: block; }
  .footer-brand p { margin-top: .75rem; }
  .footer-nav { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-utility { grid-template-columns: repeat(3,minmax(0,1fr)); padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,.12); }
  .footer-bottom { flex-direction: column; }
  .website-detail-grid { display: block; }
  .website-detail ul { grid-template-columns: 1fr; margin-top: 2.5rem; }
  [data-scroll-visual] { --visual-shift: 0px !important; }
}

@media (max-width:29.999rem) {
  .button-row { flex-direction: column; align-items: stretch; }
  .button-row .button { width: 100%; }
  .button-row .text-link { min-height: 2.75rem; justify-content: center; }
}

@media (hover:none) {
  .button:hover { transform: none; }
  .case-stage:hover .case-main,.case-stage:hover .case-detail { transform: none; }
  .product-visual:hover picture { transform: translateX(-50%) rotate(-2deg); }
  .product-ai .product-visual:hover picture { transform: translateX(-50%) rotate(1.5deg); }
}

@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  html.has-js .reveal,html.has-js .reveal.is-visible { opacity: 1; transform: none; transition: none; }
  [data-scroll-visual] { --visual-shift: 0px !important; transform: none; }
  .case-panel { transition: none; }
}

/* Shared V3 card-entry arrow system */
.card-entry { cursor: pointer; }
.card-entry-link { color: var(--accent); }
.card-entry.card-entry-arrow,
.card-entry .card-entry-arrow {
  display: inline-block;
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 750;
  line-height: 1;
  translate: 0 0;
  transition: translate 190ms var(--ease),color 190ms ease;
}
.card-entry:hover .card-entry-arrow,
.card-entry:focus-within .card-entry-arrow { translate: .25rem 0; }

/* Remove legacy per-page shifts so every card moves exactly 4px. */
.project-item:hover > .card-entry-link,
.project-item:focus-within > .card-entry-link,
.project-item.is-active > .card-entry-link,
.article-list > article:hover > .card-entry-link { transform: none; }
.service-list .card-entry-link:hover .card-entry-arrow,
.service-entry-link:hover .card-entry-arrow,
.service-entry-link:focus-visible .card-entry-arrow,
.product-detail-link:hover .card-entry-arrow,
.product-detail-link:focus-visible .card-entry-arrow,
.featured-project .card-entry-link:hover .card-entry-arrow,
.related-list .card-entry-link:hover .card-entry-arrow { transform: none; }
.secondary-projects article:hover > .card-entry-link,
.secondary-projects article:focus-within > .card-entry-link { transform: translateY(-50%); }

@media (prefers-reduced-motion:reduce) {
  .card-entry-arrow { translate: 0 0!important; transition: none!important; }
}