:root {
  --ink: #071225;
  --ink-soft: #102342;
  --blue: #315cf6;
  --aqua: #51d1ed;
  --mint: #a7e2c8;
  --coral: #f78975;
  --paper: #f7f9fc;
  --line: #dbe3ef;
  --text: #15233a;
  --muted: #60708a;
  --content: 72rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1rem; line-height: 1.6; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--aqua); outline-offset: 4px; border-radius: .35rem; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 10; background: white; color: var(--ink); padding: .7rem 1rem; font-weight: 700; }
.skip-link:focus { top: 1rem; }
.shell { width: min(calc(100% - 2.5rem), var(--content)); margin: 0 auto; }
.site-header { background: var(--ink); color: white; }
.nav { min-height: 5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 780; letter-spacing: -.02em; font-size: 1.1rem; }
.brand-mark { width: 2rem; height: 2rem; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #9ef2ff 0 9%, var(--aqua) 10% 45%, #3075f6 46%); box-shadow: 0 0 0 4px rgba(81, 209, 237, .14); }
.nav-links { display: flex; align-items: center; flex-wrap: wrap; gap: 1.1rem; font-size: .94rem; }
.nav-links a { color: #e7edfa; text-decoration: none; }
.nav-links a:hover { color: white; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 3.1rem; padding: .65rem 1.05rem; border-radius: .7rem; text-decoration: none; font-weight: 750; line-height: 1.15; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: white; }
.button-secondary { color: white; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.23); }
.app-store-badge { min-width: 10.9rem; background: #050505; color: white; border: 1px solid rgba(255,255,255,.7); }
.app-store-badge svg { width: 1.55rem; height: 1.55rem; flex: none; fill: currentColor; }
.store-copy { display: grid; line-height: 1.08; text-align: left; font-size: .65rem; font-weight: 500; }
.store-copy strong { font-size: 1.04rem; letter-spacing: -.035em; font-weight: 600; }
.hero { position: relative; overflow: hidden; color: white; background: var(--ink); padding: clamp(4.5rem, 9vw, 8.5rem) 0 4.75rem; }
.hero::after { content: ""; position: absolute; width: 42rem; height: 42rem; border-radius: 50%; left: -31rem; top: -11rem; border: 1px solid rgba(122, 206, 247, .2); box-shadow: 0 0 0 5rem rgba(122,206,247,.025), 0 0 0 10rem rgba(122,206,247,.018); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, .92fr) minmax(20rem, 1.08fr); align-items: center; gap: clamp(2.8rem, 7vw, 6rem); }
.eyebrow { display: flex; align-items: center; gap: .55rem; color: var(--mint); font-size: .82rem; font-weight: 760; letter-spacing: .095em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: .6rem; height: .6rem; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 .27rem rgba(81,209,237,.14); }
h1, h2, h3 { line-height: 1.04; letter-spacing: -.045em; margin: 0; }
h1 { font-size: clamp(3.1rem, 6vw, 5.8rem); margin-top: 1.2rem; max-width: 11ch; }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); max-width: 13ch; }
h3 { font-size: 1.35rem; }
.lead { font-size: clamp(1.08rem, 1.7vw, 1.28rem); max-width: 39rem; color: #c6d3e9; margin: 1.45rem 0 1.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-demo { position: relative; justify-self: center; width: min(100%, 23rem); margin: 0; padding: .45rem; border-radius: 2.15rem; background: linear-gradient(145deg, rgba(145,224,255,.48), rgba(62,82,201,.16) 45%, rgba(255,255,255,.18)); box-shadow: 0 2rem 5rem rgba(0,0,0,.34), inset 0 1px rgba(255,255,255,.28); }
.hero-video { display: block; width: 100%; aspect-ratio: 720 / 1566; object-fit: cover; border-radius: 1.74rem; background: #102342; }
.hero-demo figcaption { display: flex; align-items: center; justify-content: center; gap: .42rem; padding: .85rem .45rem .35rem; color: #d7e3f6; font-size: .76rem; font-weight: 690; letter-spacing: .015em; text-align: center; }
.hero-demo figcaption span { color: var(--aqua); font-size: .7rem; text-shadow: 0 0 .55rem var(--aqua); }
.intro { padding: clamp(4.5rem, 8vw, 7.5rem) 0 3.5rem; }
.section-label { color: #4565a1; font-weight: 780; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1rem; }
.intro-grid { display: grid; grid-template-columns: .74fr 1.26fr; gap: 2rem; align-items: start; }
.intro-copy { color: var(--muted); font-size: 1.16rem; max-width: 43rem; margin: .1rem 0 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding: 1rem 0 clamp(5rem, 8vw, 8rem); }
.feature { background: white; border: 1px solid var(--line); border-radius: 1rem; padding: 1.6rem; }
.feature-icon { display: grid; place-items: center; width: 2.7rem; height: 2.7rem; border-radius: .75rem; color: var(--blue); background: #edf1ff; font-size: 1.25rem; margin-bottom: 2.7rem; }
.feature p { color: var(--muted); margin: .75rem 0 0; }
.showcase { background: #eaf0f8; padding: clamp(4.5rem, 8vw, 7.5rem) 0; }
.showcase-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 6vw, 5.5rem); align-items: center; }
.screenshot-frame { background: #12213a; border-radius: 1rem; padding: .6rem; box-shadow: 0 1.3rem 3rem rgba(25,55,100,.17); }
.screenshot-frame img { display: block; width: 100%; border-radius: .58rem; }
.showcase-copy { color: var(--muted); margin: 1.3rem 0 1.55rem; max-width: 34rem; }
.check-list { display: grid; gap: .85rem; margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 1.75rem; color: var(--text); font-weight: 620; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: .05rem; color: #1c906e; font-weight: 900; }
.two-up { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; padding: clamp(4.5rem, 8vw, 7.5rem) 0; }
.two-up p { color: var(--muted); font-size: 1.07rem; }
.node-editor { width: min(100%, 34rem); justify-self: end; border-radius: 1rem; box-shadow: 0 1.2rem 3rem rgba(25,55,100,.15); }
.privacy-callout { border-radius: 1.25rem; background: linear-gradient(135deg, #142647, #213b70); color: white; padding: clamp(2rem, 5vw, 4.2rem); display: grid; grid-template-columns: 1.25fr auto; gap: 2rem; align-items: center; margin-bottom: clamp(4.5rem, 8vw, 7.5rem); }
.privacy-callout h2 { max-width: 15ch; }
.privacy-callout p { color: #c9d6ec; max-width: 37rem; }
.page-hero { color: white; background: var(--ink); padding: clamp(3.5rem, 7vw, 6rem) 0; }
.page-hero h1 { font-size: clamp(2.8rem, 6vw, 4.7rem); max-width: 15ch; }
.page-hero .lead { max-width: 44rem; }
.prose { max-width: 48rem; padding: clamp(3.4rem, 6vw, 5.8rem) 0; }
.prose h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); margin: 3rem 0 .85rem; }
.prose h3 { font-size: 1.1rem; letter-spacing: -.02em; margin: 1.65rem 0 .5rem; }
.prose p, .prose li { color: #465872; }
.prose li { margin: .35rem 0; }
.prose a { color: #254bd4; font-weight: 700; }
.prose .effective { color: var(--muted); font-size: .92rem; }
.support-card { margin: clamp(3rem, 6vw, 6rem) 0; padding: clamp(1.7rem, 5vw, 3.5rem); background: white; border: 1px solid var(--line); border-radius: 1.2rem; text-align: center; }
.support-card h2 { margin: 0 auto; }
.support-card p { max-width: 38rem; margin: 1rem auto 1.7rem; color: var(--muted); }
.support-card .button { background: var(--blue); color: white; }
.site-footer { background: #09152a; color: #c4d0e3; padding: 3rem 0 2rem; }
.footer-grid { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; }
.footer-copy { max-width: 25rem; margin: .8rem 0 0; color: #9dacc5; font-size: .92rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.1rem; }
.footer-links a { color: white; text-decoration: none; font-weight: 640; }
.footer-bottom { border-top: 1px solid rgba(201,215,241,.15); margin-top: 2.7rem; padding-top: 1.4rem; color: #91a2bd; font-size: .85rem; }
@media (max-width: 760px) {
  .shell { width: min(calc(100% - 2rem), var(--content)); }
  .nav { padding: .8rem 0; align-items: flex-start; }
  .nav-links { justify-content: flex-end; gap: .6rem .9rem; }
  .hero-grid, .intro-grid, .showcase-grid, .two-up, .privacy-callout { grid-template-columns: 1fr; }
  .hero { padding-top: 4rem; }
  .hero-demo { max-width: 19rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-icon { margin-bottom: 1.25rem; }
  .node-editor { justify-self: start; }
  .privacy-callout { gap: 1.25rem; }
  .footer-grid { display: grid; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }