:root {
  --ink: #142d35;
  --green: #70e571;
  --soft-green: #dff9df;
  --paper: #f5f6f1;
  --white: #ffffff;
  --muted: #66777b;
  --line: #d8dfdb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; }
.skip-link { position: absolute; left: -9999px; top: 1rem; z-index: 99; background: var(--green); padding: .75rem 1rem; border-radius: .5rem; }
.skip-link:focus { left: 1rem; }

.site-header { height: 82px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(1.25rem, 5vw, 5rem); background: var(--white); border-bottom: 1px solid #e9ece8; }
.brand img, footer img { display: block; width: 154px; height: auto; }
nav { display: flex; align-items: center; gap: 2rem; font-size: .9rem; font-weight: 700; }
nav a { text-decoration: none; }
.nav-cta { padding: .8rem 1.1rem; background: var(--ink); color: var(--white); border-radius: 999px; }

.hero { min-height: 630px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center; padding: 5.5rem clamp(1.25rem, 7vw, 7rem); color: var(--white); background: var(--ink); overflow: hidden; }
.hero-copy { max-width: 690px; position: relative; z-index: 2; }
.eyebrow { margin: 0 0 1.2rem; color: var(--green); font-size: .76rem; line-height: 1; font-weight: 850; letter-spacing: .18em; }
.eyebrow.dark { color: #2cae51; }
h1 { margin: 0; max-width: 780px; font-size: clamp(3.2rem, 6.3vw, 6.4rem); line-height: .92; letter-spacing: -.065em; }
h1 span { color: var(--green); }
.lede { max-width: 620px; margin: 2rem 0 0; font-size: clamp(1.08rem, 1.7vw, 1.35rem); line-height: 1.55; color: #d8e1e2; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: .95rem 1.35rem; border-radius: 999px; font-weight: 800; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green); color: #0f2a31; }
.button-secondary { border: 1px solid #5a6f75; color: var(--white); }
.button-dark { background: var(--ink); color: var(--white); }

.hero-visual { position: relative; min-height: 440px; display: grid; place-items: center; }
.demo-window { position: relative; z-index: 2; width: min(100%, 510px); overflow: hidden; background: var(--white); color: var(--ink); border-radius: 22px; box-shadow: 0 35px 90px rgba(0,0,0,.35); transform: rotate(2deg); }
.window-bar { display: flex; gap: .4rem; padding: 1rem 1.2rem; background: #e9eee9; }
.window-bar span { width: 9px; height: 9px; background: #93a09c; border-radius: 50%; }
.window-content { padding: 3rem 2.6rem; }
.window-label { color: #2cae51; font-size: .68rem; font-weight: 900; letter-spacing: .16em; }
.window-title { margin: .85rem 0 2rem; font-size: 2.15rem; line-height: 1.05; font-weight: 850; letter-spacing: -.04em; }
.window-lines { display: grid; gap: .65rem; }
.window-lines i { display: block; height: 11px; border-radius: 999px; background: #e8ece8; }
.window-lines i:nth-child(2) { width: 82%; }
.window-lines i:nth-child(3) { width: 61%; }
.window-button { display: inline-block; margin-top: 2.2rem; padding: .75rem 1rem; border-radius: 999px; background: var(--green); font-weight: 850; }
.orbit { position: absolute; border: 1px solid rgba(112,229,113,.4); border-radius: 50%; }
.orbit-one { width: 520px; height: 520px; }
.orbit-two { width: 690px; height: 690px; }

.intro { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: end; max-width: 1240px; margin: 0 auto; padding: 7rem clamp(1.25rem, 3vw, 2.5rem) 2.5rem; }
.intro h2, .how h2, .closing h2 { margin: 0; font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1.02; letter-spacing: -.05em; }
.intro > p { max-width: 560px; margin: 0; font-size: 1.08rem; line-height: 1.65; color: var(--muted); }
.filter-bar { max-width: 1240px; margin: 0 auto; padding: 0 clamp(1.25rem, 3vw, 2.5rem) 1.6rem; display: flex; gap: .7rem; }
.filter { border: 1px solid var(--line); padding: .7rem 1rem; border-radius: 999px; background: transparent; color: var(--ink); font: inherit; font-weight: 750; cursor: pointer; }
.filter.active, .filter:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }
.card-grid { max-width: 1240px; margin: 0 auto; padding: 0 clamp(1.25rem, 3vw, 2.5rem) 7rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
.card { min-height: 310px; padding: 2rem; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: 18px; transition: transform .2s ease, box-shadow .2s ease; }
.card:hover { transform: translateY(-4px); box-shadow: 0 20px 45px rgba(20,45,53,.08); }
.card.hidden { display: none; }
.card.featured { background: var(--soft-green); }
.card-topline { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.tag { font-size: .72rem; font-weight: 850; text-transform: uppercase; letter-spacing: .1em; }
.status { display: inline-flex; align-items: center; gap: .45rem; font-size: .76rem; font-weight: 800; color: #38604b; }
.status i { width: 8px; height: 8px; background: #2fd65c; border-radius: 50%; box-shadow: 0 0 0 4px rgba(47,214,92,.14); }
.card h3 { margin: 2.3rem 0 .8rem; font-size: 2rem; line-height: 1.04; letter-spacing: -.04em; }
.card p { margin: 0 0 2rem; max-width: 520px; line-height: 1.6; color: #53676c; }
.card > a { margin-top: auto; width: fit-content; font-weight: 850; text-decoration: none; border-bottom: 2px solid var(--green); }

.how { padding: 7rem clamp(1.25rem, 7vw, 7rem); background: var(--ink); color: var(--white); }
.how-heading { max-width: 720px; }
.how ol { list-style: none; padding: 0; margin: 4rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #466067; }
.how li { padding: 2rem 2rem 0 0; display: grid; grid-template-columns: auto 1fr; gap: 1rem; }
.how li > span { color: var(--green); font-size: .8rem; font-weight: 900; letter-spacing: .1em; }
.how h3 { margin: 0 0 .5rem; font-size: 1.25rem; }
.how li p { margin: 0; color: #bdcacc; line-height: 1.55; }

.closing { text-align: center; padding: 7rem 1.25rem; background: var(--green); }
.closing h2 { max-width: 760px; margin: 0 auto 2rem; }
footer { display: grid; grid-template-columns: auto 1fr auto; gap: 2rem; align-items: center; padding: 2.3rem clamp(1.25rem, 5vw, 5rem); background: var(--white); border-top: 1px solid var(--line); font-size: .82rem; color: var(--muted); }
footer p { margin: 0; }
footer div { display: flex; gap: 1.2rem; }
footer a { text-decoration: none; }

@media (max-width: 900px) {
  nav > a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 4rem; }
  .hero-visual { min-height: 360px; }
  .intro { grid-template-columns: 1fr; gap: 1.4rem; }
  .how ol { grid-template-columns: 1fr; }
  .how li { border-top: 1px solid #365058; padding: 1.5rem 0; }
  footer { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .site-header { height: 70px; }
  .brand img { width: 132px; }
  .nav-cta { padding: .7rem .85rem; font-size: .78rem; }
  .hero { min-height: auto; padding-bottom: 4rem; }
  .hero-visual { min-height: 310px; }
  .window-content { padding: 2.2rem 1.6rem; }
  .card-grid { grid-template-columns: 1fr; }
  .card { min-height: 280px; }
  footer div { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}