:root {
  --violet: #7c2efe;
  --violet-deep: #6421e8;
  --cyan: #33bbe5;
  --ink: #111224;
  --muted: #666979;
  --line: #e3e5ec;
  --soft: #f6f7fb;
  --white: #fff;
  --gradient: linear-gradient(110deg, var(--violet) 0%, #566ff0 55%, var(--cyan) 100%);
  --font: -apple-system, system-ui, "system-ui", "Segoe UI", Roboto, Ubuntu, sans-serif;
  --max: 1440px;
  --gutter: clamp(24px, 5vw, 78px);
  --section-space: clamp(88px, 11vw, 168px);
  --radius: 22px;
  --shadow: 0 34px 80px rgba(17, 18, 36, .14), 0 8px 24px rgba(17, 18, 36, .07);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 88px; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-weight: 700; }
h1, h2 { letter-spacing: -.02em; }
h3 { letter-spacing: -.03em; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(51, 187, 229, .85); outline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; padding: 12px 18px; border-radius: 10px; background: var(--ink); color: white; transition: top .2s; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled { background: rgba(255,255,255,.86); border-color: rgba(17,18,36,.09); box-shadow: 0 8px 35px rgba(17,18,36,.045); backdrop-filter: blur(20px) saturate(1.3); }
.nav-shell { width: min(100%, var(--max)); height: 100px; margin: auto; padding: 0 var(--gutter); display: flex; align-items: center; justify-content: space-between; transition: height .3s ease; }
.is-scrolled .nav-shell { height: 74px; }
.brand { display: inline-flex; align-items: center; gap: 14px; font-size: 22px; font-weight: 700; letter-spacing: -.03em; }
.brand img { width: 48px; height: 48px; border-radius: 13px; }
.site-nav { display: flex; align-items: center; gap: clamp(24px, 3.8vw, 58px); }
.site-nav a { position: relative; padding: 12px 0; color: #555867; font-size: 15px; transition: color .2s ease; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 7px; height: 1px; background: var(--gradient); transition: right .25s var(--ease); }
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { right: 0; }
.menu-toggle { display: none; border: 0; background: transparent; width: 44px; height: 44px; padding: 11px 7px; }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 7px 0; background: var(--ink); transition: transform .25s ease; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: min(940px, 100svh);
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: clamp(170px, 16vh, 210px) 0 60px max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
  display: grid;
  grid-template-columns: minmax(410px, 560px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(48px, 5vw, 88px);
}
.hero-copy { position: relative; z-index: 2; }
.hero h1 { max-width: 650px; margin-bottom: 28px; font-size: clamp(56px, 5.4vw, 84px); line-height: .95; font-weight: 700; }
.hero-lede { max-width: 575px; margin-bottom: 34px; color: var(--muted); font-size: clamp(18px, 1.45vw, 22px); line-height: 1.55; letter-spacing: -.01em; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; }
.button { min-height: 58px; padding: 0 28px; border: 1px solid transparent; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 600; transition: transform .25s var(--ease), box-shadow .25s ease, border-color .25s ease, background .25s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--gradient); color: white; box-shadow: 0 14px 32px rgba(100, 33, 232, .24); }
.button-primary:hover { box-shadow: 0 20px 42px rgba(100, 33, 232, .3); }
.button-secondary { border-color: #d9dbe2; background: white; }
.button-secondary:hover { border-color: var(--violet); }
.proof-line { margin: 30px 0 0; display: flex; flex-wrap: wrap; gap: 9px; color: #666979; font-size: 12px; }
.proof-line span { min-height: 38px; padding: 7px 11px; border: 1px solid rgba(17,18,36,.08); border-radius: 11px; background: rgba(255,255,255,.72); display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 8px 24px rgba(17,18,36,.035); }
.proof-line span::before { content: "✓"; width: 18px; height: 18px; border-radius: 6px; background: var(--gradient); color: white; display: grid; place-items: center; font-size: 11px; font-weight: 700; }
.hero-media { position: relative; z-index: 1; width: calc(100% + clamp(36px, 5vw, 96px)); }
.hero-media::before { display: none; }
.app-frame { aspect-ratio: 3108 / 2020; border: 1px solid rgba(17,18,36,.09); border-radius: var(--radius); overflow: hidden; background: white; box-shadow: 0 8px 24px rgba(17,18,36,.045); transform: perspective(1400px) rotateY(-1deg); transform-origin: center left; }
.app-frame picture, .showcase-slide picture { width: 100%; height: 100%; display: block; }
.app-frame img { width: 100%; height: 100%; object-fit: cover; }

.usp-band { position: relative; background: #101224; color: white; }
.usp-band::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--gradient); }
.usp-band-inner { width: min(100%, var(--max)); margin: 0 auto; padding: 48px var(--gutter) 52px; display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(28px, 4vw, 64px); }
.usp-band article { min-width: 0; }
.usp-band article > span { display: block; margin-bottom: 20px; color: #8ca4ff; font-size: 11px; font-weight: 700; letter-spacing: .22em; }
.usp-band h2 { margin-bottom: 10px; color: white; font-size: 20px; line-height: 1.15; letter-spacing: -.025em; }
.usp-band p { max-width: 260px; margin: 0; color: rgba(255,255,255,.64); font-size: 14px; line-height: 1.6; }

.intro { width: min(100%, var(--max)); margin: auto; padding: clamp(72px, 8vw, 120px) var(--gutter); border-top: 1px solid var(--line); display: grid; grid-template-columns: .9fr 1.1fr; gap: 9vw; }
.section-index { display: block; margin-bottom: 28px; color: var(--violet); font-size: 12px; font-weight: 700; letter-spacing: .22em; }
.intro h2 { max-width: 560px; margin: 0; font-size: clamp(42px, 5vw, 74px); line-height: 1; }
.intro-copy { align-self: end; display: grid; grid-template-columns: 1fr 1fr; gap: 28px 42px; }
.intro-copy p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.intro-copy .intro-copy-wide { grid-column: 1 / -1; max-width: 760px; padding-top: 26px; border-top: 1px solid var(--line); color: #434654; }

.showcase { padding: var(--section-space) max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); background: #fbfbfd; overflow: hidden; }
.showcase-heading { margin-bottom: 75px; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; }
.showcase-heading h2 { margin: 0; font-size: clamp(48px, 4.5vw, 68px); line-height: .98; }
.showcase-heading > p { max-width: 460px; margin: 0 0 4px; color: var(--muted); font-size: 20px; line-height: 1.55; }
.showcase-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(36px, 5vw, 76px); align-items: center; outline: none; }
.slide-sidebar { min-height: 405px; display: flex; flex-direction: column; }
.slide-copy { min-height: 0; padding-top: 26px; display: flex; flex: 1; flex-direction: column; }
.feature-icon { width: 42px; height: 42px; margin-bottom: 26px; color: var(--violet); }
.feature-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.slide-copy h3 { margin-bottom: 12px; font-size: 30px; line-height: 1.1; }
.slide-copy > p { min-height: 80px; margin-bottom: 34px; color: var(--muted); font-size: 16px; line-height: 1.6; }
.slide-progress { margin-top: auto; }
.slide-progress > span { font-size: 15px; letter-spacing: .04em; }
.slide-progress strong { color: var(--violet); font-weight: 650; }
.progress-track { height: 3px; margin-top: 14px; overflow: hidden; border-radius: 10px; background: #e8e9ee; }
.progress-track i { display: block; width: 11.111%; height: 100%; border-radius: inherit; background: var(--gradient); transition: width .65s var(--ease); }
.slider-controls { margin-top: 32px; display: flex; align-items: center; gap: 12px; }
.round-button { width: 54px; height: 54px; padding: 0; border: 1px solid #d8dae2; border-radius: 50%; background: white; display: grid; place-items: center; cursor: pointer; transition: transform .22s var(--ease), border-color .22s ease, box-shadow .22s ease; }
.round-button:hover { transform: scale(1.06); border-color: var(--violet); box-shadow: 0 10px 25px rgba(17,18,36,.08); }
.round-button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.round-button.is-accent { border-color: var(--violet); color: var(--violet); }
.pause-button { height: 40px; margin-left: 6px; padding: 0 8px; border: 0; background: transparent; color: var(--muted); display: inline-flex; gap: 7px; align-items: center; cursor: pointer; font-size: 12px; }
.pause-button svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.pause-button .play-icon { display: none; }
.pause-button.is-paused .pause-icon { display: none; }
.pause-button.is-paused .play-icon { display: block; }
.slider-stage { position: relative; height: min(48vw, 620px); perspective: 1600px; }
.showcase-slide { position: absolute; inset: 0; margin: 0; border: 1px solid rgba(17,18,36,.11); border-radius: var(--radius); overflow: hidden; background: white; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateX(30%) rotateY(-8deg) scale(.88); transition: transform .85s var(--ease), opacity .55s ease, filter .55s ease; }
.showcase-slide img { width: 100%; height: 100%; object-fit: cover; }
.showcase-slide.is-active { z-index: 3; opacity: 1; pointer-events: auto; transform: translateX(0) rotateY(0) scale(1); }
.showcase-slide.is-next { z-index: 2; opacity: .55; filter: saturate(.65); transform: translateX(17%) rotateY(-18deg) scale(.8); transform-origin: left center; }
.showcase-slide.is-exiting-left { z-index: 4; opacity: 0; transform: translateX(-36%) rotateY(12deg) scale(.9); }
.showcase-slide.is-exiting-right { z-index: 4; opacity: 0; transform: translateX(36%) rotateY(-12deg) scale(.9); }
.showcase-slide.is-active.is-entering-left { opacity: 0; transform: translateX(-24%) rotateY(8deg) scale(.92); transition: none; }
.showcase-slide.is-active.is-entering-right { opacity: 0; transform: translateX(24%) rotateY(-8deg) scale(.92); transition: none; }
.slider-rail { position: relative; width: 100%; margin-top: 100px; display: grid; grid-template-columns: repeat(9, 1fr); }
.slider-rail::before { content: ""; position: absolute; left: 5.555%; right: 5.555%; top: 7px; height: 1px; background: #d5d7de; }
.rail-tab { position: relative; z-index: 1; padding: 0; border: 0; background: none; color: #737684; cursor: pointer; font-size: 12px; text-align: center; }
.rail-tab i { width: 15px; height: 15px; margin: 0 auto 17px; border: 2px solid #b8bbc6; border-radius: 50%; background: #fbfbfd; display: block; transition: border-color .25s ease, transform .35s var(--ease), box-shadow .25s ease; }
.rail-tab span { display: block; white-space: nowrap; }
.rail-tab.is-active { color: var(--violet); font-weight: 650; }
.rail-tab.is-active i { border-color: var(--violet); transform: scale(1.25); box-shadow: 0 0 0 5px rgba(124,46,254,.12), inset 0 0 0 3px white; background: var(--violet); }
.slider-hint { margin: 38px 0 0; color: #8b8e9a; font-size: 12px; text-align: center; }

.depth { position: relative; padding: var(--section-space) 0; overflow: hidden; background: #101224; color: white; }
.depth::before { content: ""; position: absolute; width: 720px; height: 720px; right: -260px; top: -380px; border-radius: 50%; background: radial-gradient(circle, rgba(51,187,229,.13), transparent 68%); pointer-events: none; }
.depth-inner { position: relative; z-index: 1; width: min(100%, var(--max)); margin: 0 auto; padding: 0 var(--gutter); }
.depth-heading { margin-bottom: clamp(70px, 8vw, 110px); display: grid; grid-template-columns: .95fr 1.05fr; column-gap: 9vw; align-items: end; }
.depth-heading .section-index { grid-column: 1 / -1; color: #8ca4ff; }
.depth-heading h2 { max-width: 690px; margin: 0; font-size: clamp(48px, 4.8vw, 72px); line-height: .98; }
.depth-heading > p { max-width: 520px; margin: 0 0 5px; color: rgba(255,255,255,.64); font-size: 17px; line-height: 1.8; }
.depth-stage { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); }
.depth-mode { min-width: 0; padding: 56px 6vw 58px 0; }
.depth-mode + .depth-mode { padding-right: 0; padding-left: 6vw; border-left: 1px solid rgba(255,255,255,.16); }
.mode-copy { max-width: 500px; min-height: 195px; }
.mode-label { display: block; margin-bottom: 20px; color: #8ca4ff; font-size: 11px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.mode-copy h3 { margin-bottom: 14px; color: white; font-size: clamp(27px, 2.2vw, 34px); line-height: 1.1; }
.mode-copy p { margin: 0; color: rgba(255,255,255,.6); font-size: 15px; line-height: 1.7; }
.simple-outline, .metadata-demo { min-height: 250px; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: rgba(255,255,255,.045); box-shadow: inset 0 1px rgba(255,255,255,.04); }
.simple-outline { padding: 24px 26px; display: flex; flex-direction: column; justify-content: center; }
.simple-outline span { min-height: 34px; display: flex; align-items: center; gap: 11px; color: rgba(255,255,255,.82); font-size: 14px; }
.simple-outline .is-child { padding-left: 30px; }
.simple-outline .is-grandchild { padding-left: 60px; color: rgba(255,255,255,.58); }
.simple-outline i { width: 6px; height: 6px; flex: 0 0 auto; border: 1.5px solid #8296ff; border-radius: 50%; }
.metadata-demo { overflow: hidden; }
.metadata-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid rgba(255,255,255,.12); }
.metadata-grid > span { min-height: 98px; padding: 20px; display: flex; flex-direction: column; justify-content: center; }
.metadata-grid > span + span { border-left: 1px solid rgba(255,255,255,.12); }
.metadata-grid small { margin-bottom: 7px; color: rgba(255,255,255,.42); font-size: 10px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.metadata-grid strong { color: rgba(255,255,255,.9); font-size: 14px; font-weight: 600; }
.task-demo { padding: 15px 20px 18px; }
.task-demo > span { min-height: 44px; display: grid; grid-template-columns: 18px 1fr auto; gap: 10px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.78); font-size: 13px; }
.task-demo > span:last-child { border-bottom: 0; }
.task-demo i { width: 14px; height: 14px; border: 1px solid #8093ff; border-radius: 4px; }
.task-demo i.is-done { position: relative; background: #6c50f4; }
.task-demo i.is-done::after { content: ""; position: absolute; width: 6px; height: 3px; left: 3px; top: 3px; border-left: 1.5px solid white; border-bottom: 1.5px solid white; transform: rotate(-45deg); }
.task-demo em { color: #8ca4ff; font-size: 10px; font-style: normal; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }

.capabilities { width: min(100%, var(--max)); margin: 0 auto; padding: var(--section-space) var(--gutter); display: grid; grid-template-columns: .86fr 1.14fr; gap: 10vw; }
.capabilities-intro { position: relative; }
.capabilities-intro h2 { max-width: 520px; margin-bottom: 28px; font-size: clamp(44px, 4.3vw, 66px); line-height: 1.03; }
.capabilities-intro p { max-width: 460px; color: var(--muted); font-size: 17px; line-height: 1.7; }
.capability-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.capability-list article { --card-accent: #6c50f4; position: relative; min-height: 190px; padding: 30px 28px; border: 1px solid rgba(17,18,36,.09); border-radius: 18px; overflow: hidden; background: linear-gradient(145deg, rgba(124,46,254,.045), rgba(255,255,255,.96) 58%); display: grid; grid-template-columns: 38px 1fr; grid-template-rows: min-content 1fr; column-gap: 18px; box-shadow: 0 14px 36px rgba(31,34,67,.045); transition: transform .35s var(--ease), border-color .3s ease, box-shadow .3s ease; }
.capability-list article:nth-child(2) { --card-accent: #397cf0; background: linear-gradient(145deg, rgba(57,124,240,.05), rgba(255,255,255,.96) 58%); }
.capability-list article:nth-child(3) { --card-accent: #5969ed; background: linear-gradient(145deg, rgba(89,105,237,.045), rgba(255,255,255,.96) 58%); }
.capability-list article:nth-child(4) { --card-accent: #2eaedb; background: linear-gradient(145deg, rgba(46,174,219,.05), rgba(255,255,255,.96) 58%); }
.capability-list article::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--card-accent); opacity: .78; }
.capability-list article:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--card-accent) 28%, transparent); box-shadow: 0 22px 48px rgba(31,34,67,.08); }
.capability-icon { width: 34px; height: 34px; margin: 0; border-radius: 10px; display: grid; place-items: center; color: var(--card-accent); background: color-mix(in srgb, var(--card-accent) 9%, white); }
.capability-icon svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.capability-list h3 { align-self: center; margin: 0; font-size: 22px; }
.capability-list p { grid-column: 2; max-width: 275px; margin: 12px 0 0; color: var(--muted); font-size: 15px; line-height: 1.65; }

.use-cases { width: 100%; margin: 0 auto; padding: var(--section-space) max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); display: grid; grid-template-columns: .75fr 1.25fr; gap: 9vw; align-items: start; background: #fbfbfd; }
.use-cases-intro { position: sticky; top: 120px; }
.use-cases-intro h2 { max-width: 520px; margin-bottom: 26px; font-size: clamp(44px, 4.2vw, 64px); line-height: 1; }
.use-cases-intro p { max-width: 450px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.use-case-list { border-top: 2px solid var(--ink); }
.use-case-list article { min-height: 150px; padding: 30px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 58px 1fr; gap: 24px; }
.use-case-list article > span { padding-top: 5px; color: var(--violet); font-size: 11px; font-weight: 700; letter-spacing: .18em; }
.use-case-list h3 { margin-bottom: 9px; font-size: 23px; line-height: 1.2; }
.use-case-list p { max-width: 650px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }

.reuse { position: relative; padding: clamp(96px, 8vw, 128px) max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); overflow: hidden; background: white; }
.reuse-grid { width: min(100%, var(--max)); margin: 0 auto; display: grid; grid-template-columns: minmax(520px, .9fr) minmax(0, 1.1fr); gap: clamp(48px, 4.5vw, 76px); align-items: center; }
.reuse-copy { max-width: 560px; }
.reuse h2 { max-width: 590px; margin-bottom: 28px; font-size: clamp(50px, 4.2vw, 64px); line-height: .96; letter-spacing: -.035em; }
.reuse-lede { max-width: 525px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.7; }
.reuse-features { margin-top: 46px; border-top: 1px solid var(--line); }
.reuse-features article { min-height: 150px; padding: 27px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 54px 1fr; gap: 20px; }
.reuse-features article > span { padding-top: 2px; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; font-size: 18px; font-weight: 650; letter-spacing: -.02em; }
.reuse-features h3 { margin-bottom: 10px; font-size: 24px; line-height: 1.15; }
.reuse-features p { max-width: 425px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.reuse code { color: #4f54b8; font: inherit; font-weight: 650; }
.reuse-link { width: fit-content; margin-top: 32px; padding-bottom: 5px; border-bottom: 1px solid rgba(86,111,240,.42); display: inline-flex; align-items: center; gap: 10px; color: #326fe9; font-size: 15px; font-weight: 650; transition: color .2s ease, border-color .2s ease; }
.reuse-link svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s var(--ease); }
.reuse-link:hover { color: var(--violet); border-color: var(--violet); }
.reuse-link:hover svg { transform: translateX(4px); }
.reuse-media { min-height: 500px; margin: 0; padding: clamp(24px, 3vw, 44px); border: 1px solid rgba(17,18,36,.07); border-radius: 24px; background: linear-gradient(145deg, #fbfcff, #f7f9fe); box-shadow: 0 26px 70px rgba(31,34,67,.08); display: flex; flex-direction: column; justify-content: center; }
.reuse-media picture, .writing-image-stage picture, .phone-frame picture { width: 100%; display: block; }
.reuse-media img { width: 100%; height: auto; border: 1px solid rgba(17,18,36,.06); border-radius: 12px; background: white; box-shadow: 0 12px 34px rgba(31,34,67,.06); }
.reuse-media figcaption { margin: 22px 2px 0; color: #858894; font-size: 12px; line-height: 1.55; }

.structured-writing { padding: var(--section-space) max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); overflow: hidden; background: #101224; color: white; display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(52px, 6vw, 88px); align-items: stretch; }
.structured-writing-copy { width: 100%; max-width: none; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .8fr); gap: clamp(48px, 6vw, 96px); align-items: end; }
.structured-writing-intro { min-width: 0; }
.structured-writing .section-index { color: #8ca4ff; }
.pro-kicker { width: fit-content; margin-bottom: 22px; padding: 7px 10px; border: 1px solid rgba(140,164,255,.35); border-radius: 8px; display: block; color: #b8c5ff; font-size: 11px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.structured-writing h2 { max-width: 650px; margin-bottom: 28px; font-size: clamp(48px, 4.4vw, 68px); line-height: .98; }
.structured-writing-lede { max-width: 590px; margin: 0; color: rgba(255,255,255,.68); font-size: 17px; line-height: 1.75; }
.writing-modes { border-top: 1px solid rgba(255,255,255,.14); }
.writing-modes article { padding: 24px 0 26px; border-bottom: 1px solid rgba(255,255,255,.14); }
.writing-modes article > span { display: block; margin-bottom: 8px; color: #8ca4ff; font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.writing-modes h3 { margin-bottom: 8px; color: white; font-size: 22px; line-height: 1.2; }
.writing-modes p { max-width: 560px; margin: 0; color: rgba(255,255,255,.62); font-size: 14px; line-height: 1.7; }
.structured-writing-media { margin: 0; padding: clamp(14px, 1.7vw, 24px); border: 1px solid rgba(255,255,255,.14); border-radius: 24px; background: rgba(255,255,255,.055); box-shadow: 0 36px 90px rgba(0,0,0,.3); }
.writing-image-tabs { width: fit-content; margin: 0 0 14px auto; padding: 4px; border: 1px solid rgba(255,255,255,.12); border-radius: 12px; display: grid; grid-template-columns: repeat(2, minmax(116px, 1fr)); gap: 4px; background: rgba(0,0,0,.2); }
.writing-image-tabs button { min-height: 48px; padding: 7px 14px; border: 0; border-radius: 8px; background: transparent; color: rgba(255,255,255,.58); font: inherit; font-size: 13px; font-weight: 650; line-height: 1.15; text-align: left; cursor: pointer; transition: color .2s ease, background-color .2s ease, box-shadow .2s ease; }
.writing-image-tabs button span { margin-bottom: 4px; display: block; color: inherit; font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; opacity: .72; }
.writing-image-tabs button:hover { color: white; }
.writing-image-tabs button:focus-visible { outline: 2px solid #aebcff; outline-offset: 2px; }
.writing-image-tabs button[aria-selected="true"] { background: white; color: #181a2e; box-shadow: 0 5px 16px rgba(0,0,0,.2); }
.writing-image-stage { overflow: hidden; border: 1px solid rgba(255,255,255,.09); border-radius: 13px; background: white; }
.writing-image-stage [hidden] { display: none; }
.structured-writing-media img { width: 100%; height: auto; display: block; }
.structured-writing-media figcaption { margin: 16px 3px 0; color: rgba(255,255,255,.45); font-size: 11px; line-height: 1.5; }

.portable { position: relative; min-height: 570px; padding: 95px max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; align-items: center; background: linear-gradient(105deg, #f6f7ff, #fbf9ff 55%, #f3fbff); overflow: hidden; }
.portable-copy { position: relative; z-index: 2; }
.portable h2 { margin-bottom: 25px; font-size: clamp(46px, 4.5vw, 68px); line-height: 1; }
.portable-copy > p { max-width: 510px; color: var(--muted); font-size: 17px; line-height: 1.7; }
.portable-note { margin-top: 30px; display: inline-flex; align-items: center; gap: 12px; font-weight: 620; }
.portable-note svg { width: 28px; fill: none; stroke: var(--violet); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.portable-visual { position: relative; z-index: 2; display: flex; justify-content: center; }
.file-list { width: min(100%, 610px); padding: 17px 22px 28px; border: 1px solid rgba(17,18,36,.1); border-radius: 18px; background: rgba(255,255,255,.92); box-shadow: 0 24px 64px rgba(43,46,86,.1); backdrop-filter: blur(16px); }
.file-list > span { min-height: 48px; padding: 0 14px; border-bottom: 1px solid #ececf1; display: flex; align-items: center; gap: 13px; color: #494c59; font-size: 14px; }
.file-list > span:last-child { border-bottom: 0; }
.file-list .file-list-title { color: var(--ink); font-weight: 670; }
.file-list i { position: relative; width: 16px; height: 20px; border: 1.5px solid #5c72ee; border-radius: 2px; }
.file-list i::after { content: ""; position: absolute; left: 3px; right: 3px; top: 6px; height: 1px; background: #5c72ee; box-shadow: 0 4px 0 #5c72ee, 0 8px 0 #5c72ee; }

.mobile-companion { min-height: 790px; padding: var(--section-space) max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); overflow: hidden; background: #101224; color: white; display: grid; grid-template-columns: 1fr .9fr; gap: clamp(70px, 10vw, 150px); align-items: center; }
.mobile-companion-copy { max-width: 630px; }
.mobile-companion .section-index { color: #8ca4ff; }
.mobile-companion h2 { max-width: 620px; margin-bottom: 30px; font-size: clamp(48px, 4.8vw, 72px); line-height: .98; }
.mobile-companion-lede { max-width: 590px; margin-bottom: 36px; color: rgba(255,255,255,.66); font-size: 17px; line-height: 1.8; }
.mobile-companion-features { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.mobile-companion-features li { min-height: 48px; border-bottom: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; gap: 14px; color: rgba(255,255,255,.84); font-size: 15px; }
.mobile-companion-features li::before { content: "✓"; width: 21px; height: 21px; flex: 0 0 auto; border-radius: 7px; background: var(--gradient); display: grid; place-items: center; color: white; font-size: 12px; font-weight: 700; }
.coming-soon { margin: 32px 0 0; display: flex; align-items: center; gap: 11px; color: #aab7ff; font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.coming-soon span { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 6px rgba(51,187,229,.12); }
.mobile-preview { display: flex; justify-content: center; align-self: end; }
.phone-frame { width: min(100%, 340px); border: 1px solid rgba(255,255,255,.18); border-radius: 44px; overflow: hidden; background: #f4f5f9; box-shadow: 0 36px 90px rgba(0,0,0,.3); }
.phone-frame img { width: 100%; height: auto; }

.pro { width: min(100%, var(--max)); margin: 0 auto; padding: var(--section-space) var(--gutter); display: grid; grid-template-columns: .75fr 1.25fr; gap: 8vw; align-items: start; }
.pro-heading { position: sticky; top: 120px; }
.pro h2 { margin-bottom: 24px; font-size: clamp(46px, 4.5vw, 68px); line-height: 1; }
.pro-heading p { max-width: 390px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.comparison { border-top: 2px solid var(--ink); }
.comparison-row { min-height: 70px; display: grid; grid-template-columns: 1.7fr .65fr .9fr; align-items: center; border-bottom: 1px solid var(--line); }
.comparison-row > * { margin: 0; padding: 0 18px; }
.comparison-row > * + * { align-self: stretch; border-left: 1px solid var(--line); display: flex; align-items: center; justify-content: center; }
.comparison-head { min-height: 82px; }
.comparison-head strong:last-child { color: var(--violet); }
.comparison-row b { color: #3f71f2; font-size: 20px; font-style: normal; font-weight: 600; }
.comparison-row b:last-child { color: var(--violet); }
.comparison-row .comparison-text { color: var(--violet); font-size: 14px; }
.comparison-row em { color: #9a9ca7; font-style: normal; }

.closing { position: relative; min-height: 470px; padding: 90px var(--gutter); overflow: hidden; background: #090b18; color: white; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.closing::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 110%, rgba(51,187,229,.12), transparent 45%); }
.closing h2, .closing .button-row { position: relative; z-index: 2; }
.closing h2 { margin-bottom: 36px; font-size: clamp(48px, 5vw, 74px); line-height: .98; }
.button-dark { border-color: rgba(255,255,255,.4); background: transparent; color: white; }
.button-dark:hover { border-color: var(--cyan); }
.site-footer { width: min(100%, var(--max)); margin: 0 auto; padding: 72px var(--gutter) 42px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 70px; }
.footer-brand .brand { font-size: 18px; }
.footer-brand .brand img { width: 36px; height: 36px; border-radius: 9px; }
.footer-brand p { margin: 20px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 35px; }
.footer-links div { display: flex; flex-direction: column; gap: 10px; }
.footer-links strong { margin-bottom: 6px; font-size: 13px; }
.footer-links a { color: var(--muted); font-size: 13px; }
.footer-links a:hover, .copyright a:hover { color: var(--violet); }
.copyright { grid-column: 1 / -1; margin: 25px 0 0; padding-top: 28px; border-top: 1px solid var(--line); color: #8b8e9a; font-size: 12px; }

@media (max-width: 1120px) {
  .hero { min-height: 900px; grid-template-columns: .85fr 1.15fr; gap: 32px; }
  .usp-band-inner { grid-template-columns: repeat(2, 1fr); }
  .showcase-layout { grid-template-columns: 220px minmax(0, 1fr); }
  .slider-stage { height: 46vw; max-height: 540px; }
  .reuse-grid { grid-template-columns: 1fr; gap: 66px; }
  .reuse-copy { max-width: 720px; }
  .reuse-lede { max-width: 650px; }
  .reuse-media { min-height: 0; }
}

@media (min-width: 1200px) {
  .hero h1 { width: 560px; max-width: none; font-size: clamp(62px, 4.7vw, 74px); }
}

@media (max-width: 1100px) {
  .structured-writing-copy { grid-template-columns: 1fr; gap: 44px; }
}

@media (max-width: 900px) {
  :root { --gutter: clamp(22px, 5vw, 48px); }
  .hero { min-height: auto; padding: 160px var(--gutter) 60px; grid-template-columns: 1fr; gap: 65px; }
  .hero-copy { max-width: 690px; }
  .hero-media { width: 112%; margin-left: 3%; }
  .intro, .showcase-heading, .depth-heading, .capabilities, .use-cases, .reuse-grid, .structured-writing, .mobile-companion, .pro { grid-template-columns: 1fr; }
  .intro-copy { margin-top: 10px; }
  .showcase-layout { grid-template-columns: 1fr; }
  .slide-sidebar { display: contents; }
  .slide-copy { min-height: 0; padding: 0; display: grid; grid-template-columns: auto 1fr auto; column-gap: 18px; align-items: center; }
  .feature-icon { grid-row: 1 / 3; margin: 0; }
  .slide-copy h3 { margin: 0; }
  .slide-copy > p { min-height: 0; margin: 8px 0 0; }
  .slide-progress { min-width: 140px; margin: 0; grid-column: 3; grid-row: 1 / 3; }
  .slider-stage { grid-column: 1; grid-row: 2; height: 59vw; max-height: 600px; margin-top: 15px; }
  .slider-controls { grid-column: 1; grid-row: 3; margin-top: 25px; }
  .depth-heading { gap: 30px; }
  .depth-heading .section-index { grid-column: auto; }
  .depth-heading > p { max-width: 650px; }
  .capabilities { gap: 70px; }
  .capabilities-intro { max-width: 620px; }
  .use-cases { gap: 62px; }
  .use-cases-intro { position: static; max-width: 650px; }
  .reuse-grid { gap: 66px; }
  .reuse-copy { max-width: 720px; }
  .reuse-lede { max-width: 650px; }
  .reuse-media { min-height: 0; }
  .structured-writing-copy { max-width: 720px; }
  .portable { grid-template-columns: 1fr 1fr; gap: 5vw; }
  .mobile-companion { gap: 70px; }
  .mobile-companion-copy { max-width: 680px; }
  .mobile-preview { align-self: auto; }
  .phone-frame { width: min(82vw, 340px); }
  .pro-heading { position: static; }
}

@media (max-width: 700px) {
  body.menu-open .site-header { inset: 0; height: 100dvh; min-height: 100vh; border-color: transparent; background: white; box-shadow: none; backdrop-filter: none; }
  body.menu-open .nav-shell { height: 80px; }
  .nav-shell { height: 80px; }
  .brand { font-size: 20px; }
  .brand img { width: 42px; height: 42px; }
  .menu-toggle { position: relative; z-index: 2; display: block; }
  .menu-toggle[aria-expanded="true"] > span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }
  .site-nav { position: absolute; inset: 80px 0 0; min-height: calc(100dvh - 80px); padding: 50px var(--gutter) max(48px, env(safe-area-inset-bottom)); overflow-y: auto; overscroll-behavior: contain; background: white; display: flex; flex-direction: column; align-items: flex-start; gap: 18px; visibility: hidden; opacity: 0; transform: translateY(-18px); transition: opacity .25s ease, transform .25s ease, visibility .25s; }
  .site-nav.is-open { visibility: visible; opacity: 1; transform: translateY(0); }
  .site-nav a { font-size: 34px; font-weight: 680; letter-spacing: -.04em; }
  .hero { padding-top: 132px; padding-bottom: 60px; gap: 54px; }
  .hero h1 { font-size: clamp(46px, 13vw, 66px); }
  .hero-lede { font-size: 18px; }
  .button { min-height: 54px; padding: 0 22px; }
  .proof-line { display: grid; gap: 8px; }
  .proof-line span { width: 100%; min-height: 44px; padding: 10px 12px; }
  .hero-media { width: 100%; margin-left: 0; }
  .app-frame { border-radius: 14px; transform: none; }
  .intro { gap: 50px; }
  .intro-copy { grid-template-columns: 1fr; gap: 20px; }
  .intro-copy .intro-copy-wide { grid-column: auto; margin-top: 8px; padding-top: 22px; }
  .showcase-heading { gap: 30px; margin-bottom: 50px; }
  .showcase-heading > p { font-size: 18px; }
  .slide-copy { display: grid; grid-template-columns: 44px 1fr; grid-template-rows: 66px 86px auto; align-items: start; }
  .feature-icon { grid-column: 1; grid-row: 1 / 3; }
  .slide-copy h3, .slide-copy > p { grid-column: 2; }
  .slide-copy h3 { grid-row: 1; min-height: 66px; }
  .slide-copy > p { grid-row: 2; min-height: 86px; margin-top: 0; }
  .slide-progress { grid-column: 1 / -1; grid-row: 3; margin-top: 24px; }
  .slider-stage { height: 82vw; margin: 10px 0 0; }
  .slider-controls { width: 100%; margin-top: 26px; justify-content: center; gap: 18px; }
  .slider-controls .pause-button { display: none; }
  .showcase-slide { border-radius: 14px; }
  .showcase-slide.is-next { transform: translateX(20%) rotateY(-18deg) scale(.74); }
  .slider-rail, .slider-hint { display: none; }
  .depth-stage { grid-template-columns: 1fr; }
  .depth-mode { padding: 48px 0; }
  .depth-mode + .depth-mode { padding: 48px 0; border-top: 1px solid rgba(255,255,255,.16); border-left: 0; }
  .mode-copy { min-height: 0; margin-bottom: 36px; }
  .capability-list { grid-template-columns: 1fr; }
  .capability-list article { min-height: 175px; }
  .reuse { padding-top: 92px; padding-bottom: 92px; }
  .reuse h2 { font-size: clamp(45px, 12vw, 62px); }
  .reuse-lede { font-size: 16px; }
  .reuse-features article { min-height: 0; grid-template-columns: 42px 1fr; gap: 12px; }
  .reuse-media { padding: 12px; border-radius: 16px; }
  .reuse-media img { border-radius: 9px; }
  .reuse-media figcaption { margin: 14px 4px 2px; }
  .structured-writing { padding-top: 92px; padding-bottom: 92px; }
  .structured-writing h2 { font-size: clamp(45px, 12vw, 62px); }
  .structured-writing-media { padding: 10px; border-radius: 16px; }
  .writing-image-tabs { width: 100%; margin-bottom: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .writing-image-tabs button { min-height: 46px; padding-inline: 11px; }
  .writing-image-stage { border-radius: 9px; }
  .portable { grid-template-columns: 1fr; padding-top: 80px; padding-bottom: 80px; }
  .portable-visual { margin-top: 30px; }
  .mobile-companion { min-height: auto; padding-top: 90px; padding-bottom: 0; gap: 62px; }
  .mobile-companion h2 { font-size: clamp(45px, 12vw, 62px); }
  .mobile-companion-lede { font-size: 16px; }
  .phone-frame { width: min(88vw, 340px); border-radius: 38px; }
  .comparison-row { grid-template-columns: 1.35fr .65fr .85fr; }
  .comparison-row > * { padding: 0 9px; font-size: 13px; }
  .comparison-head > span { color: transparent; font-size: 0; }
  .closing { min-height: 500px; }
  .site-footer { grid-template-columns: 1fr; }
  .copyright { grid-column: auto; }
}

@media (max-width: 420px) {
  .button-row { flex-direction: column; }
  .button { width: 100%; }
  .usp-band-inner { grid-template-columns: 1fr; gap: 34px; }
  .metadata-grid { grid-template-columns: 1fr; }
  .metadata-grid > span { min-height: 72px; }
  .metadata-grid > span + span { border-top: 1px solid rgba(255,255,255,.12); border-left: 0; }
  .simple-outline { padding-left: 18px; padding-right: 18px; }
  .simple-outline .is-child { padding-left: 20px; }
  .simple-outline .is-grandchild { padding-left: 40px; }
  .capability-list article { padding-left: 22px; padding-right: 22px; }
  .use-case-list article { grid-template-columns: 38px 1fr; gap: 12px; }
  .comparison-row > * { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}