:root {
  --navy: #0b1120; --navy-2: #0f172a; --teal: #2dd4bf; --teal-ink: #0f766e; --ink: #0f172a; --body: #334155; --muted: #64748b;
  --line: #e2e8f0; --tint: #f6f9fb; --white: #fff; --radius: 12px;
  --shadow: 0 18px 50px rgba(15, 23, 42, .18);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font: 17px/1.65 Inter, "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; color: var(--body); background: var(--white); -webkit-text-size-adjust: 100%; }
h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
a { color: var(--teal-ink); }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }
.narrow { max-width: 780px; }
.center { text-align: center; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 30; background: var(--white); padding: 8px 12px; }
.lead { font-size: 1.14rem; }
.small { font-size: .85rem; color: inherit; opacity: .8; }
.eyebrow { font-size: .8rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--teal-ink); margin-bottom: .8em; }

.btn { display: inline-block; padding: 11px 20px; border-radius: 9px; font: inherit; font-weight: 650; text-decoration: none; cursor: pointer; border: 1px solid transparent; }
.btn--primary { background: var(--teal); color: var(--navy); }
.btn--primary:hover { background: #5eead4; }
.btn--ghost { color: var(--white); border-color: rgba(255, 255, 255, .35); }
.btn--ghost:hover { border-color: var(--teal); }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }

.top { position: sticky; top: 0; z-index: 20; background: var(--navy); }
.top__row { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
.top__logo { display: flex; }
.top__menu { background: none; border: 0; color: var(--white); font-size: 1.5rem; cursor: pointer; padding: 8px; }
.top__nav { display: none; position: absolute; left: 0; right: 0; top: 68px; background: var(--navy); padding: 8px 16px 18px; flex-direction: column; gap: 4px; }
.top__nav.is-open { display: flex; }
.top__nav a:not(.btn) { color: #cbd5e1; text-decoration: none; padding: 10px 2px; font-size: .95rem; }
.top__nav a:not(.btn):hover { color: var(--white); }
.top__nav .btn { text-align: center; margin-top: 6px; font-size: .95rem; }
@media (min-width: 1040px) {
  .top__menu { display: none; }
  .top__nav { display: flex; position: static; flex-direction: row; align-items: center; gap: 20px; padding: 0; }
  .top__nav .btn { margin: 0; }
}

.hero { background: radial-gradient(1000px 500px at 85% -10%, rgba(45, 212, 191, .2), transparent), var(--navy); color: #cbd5e1; padding: 64px 0 72px; }
.hero h1 { color: var(--white); }
.hero em { color: var(--teal); font-style: normal; }
.hero .eyebrow { color: var(--teal); }
.hero__row { display: grid; gap: 40px; align-items: center; }
@media (min-width: 1040px) { .hero__row { grid-template-columns: 1fr 1.08fr; } }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 0; }

.band { padding: 72px 0; }
.band--tint { background: var(--tint); }
.band--dark { background: var(--navy-2); color: #cbd5e1; }
.band--dark h2 { color: var(--white); }
.band--dark .eyebrow { color: var(--teal); }

.grid3 { display: grid; gap: 22px; margin-top: 28px; }
@media (min-width: 760px) { .grid3 { grid-template-columns: repeat(3, 1fr); } }
.stat { border-top: 3px solid var(--teal); padding-top: 16px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.features ul { padding-left: 18px; margin: 0; font-size: .96rem; }
.pillars h3 { color: var(--teal-ink); text-transform: uppercase; letter-spacing: .08em; font-size: .95rem; }

.split { display: grid; gap: 36px; align-items: center; min-width: 0; }
.split > * { min-width: 0; }
.split--tight { margin-top: 44px; }
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1.25fr; gap: 56px; }
  .split--tight:nth-of-type(even) > :first-child { order: 2; }
  .split--tight:nth-of-type(even) { grid-template-columns: 1.25fr 1fr; }
}
.ticks { list-style: none; padding: 0; }
.ticks li { padding-left: 26px; position: relative; margin-bottom: .7em; }
.ticks li::before { content: "\2726"; position: absolute; left: 0; color: var(--teal-ink); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; }
.chips span { background: var(--tint); border: 1px solid var(--line); border-radius: 99px; padding: 5px 13px; font-size: .86rem; }

.shot { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid rgba(148, 163, 184, .35); background: var(--white); line-height: 0; }
.shot--phone { max-width: 300px; margin: 0 auto; border-radius: 26px; }
.shot--empty { aspect-ratio: 16 / 10; display: grid; place-items: center; padding: 24px; text-align: center; line-height: 1.5; color: var(--muted); border-style: dashed; font-size: .95rem; }

.faq { background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 650; color: var(--ink); }
.faq p { margin: 10px 0 2px; }

.demo { display: grid; gap: 14px; text-align: left; margin-top: 24px; }
@media (min-width: 720px) { .demo { grid-template-columns: 1fr 1fr auto; align-items: end; } }
.demo label { font-size: .88rem; color: #cbd5e1; }
.demo input { display: block; width: 100%; margin-top: 4px; padding: 11px 12px; border-radius: 8px; border: 1px solid #475569; background: var(--navy); color: var(--white); font: inherit; }

.prose h2 { font-size: 1.35rem; margin-top: 1.6em; }
.prose ul { padding-left: 20px; }

.foot { background: var(--navy); color: #94a3b8; padding: 44px 0 26px; font-size: .92rem; }
.foot__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.foot a { color: #cbd5e1; text-decoration: none; }
.foot a:hover { color: var(--white); }
.foot p { margin: 8px 0 0; }
.foot__legal { margin-top: 22px !important; font-size: .82rem; }

.kb { display: grid; gap: 0 44px; padding-top: 28px; padding-bottom: 60px; }
.kb-main { min-width: 0; }
.kb-toggle { background: var(--tint); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; font: inherit; font-weight: 600; color: var(--ink); text-align: left; cursor: pointer; margin-bottom: 16px; }
.kb-side { display: none; font-size: .93rem; margin-bottom: 24px; }
.kb-side.is-open { display: block; }
@media (min-width: 960px) {
  .kb { grid-template-columns: 290px minmax(0, 1fr); }
  .kb-toggle { display: none; }
  .kb-side { display: block; position: sticky; top: 92px; align-self: start; max-height: calc(100vh - 110px); overflow-y: auto; padding-right: 8px; }
}
.kb-home { font-weight: 700; text-decoration: none; display: block; margin-bottom: 10px; }
.kb-search span { position: absolute; left: -999px; }
.kb-search input { width: 100%; padding: 9px 11px; border: 1px solid #cbd5e1; border-radius: 8px; font: inherit; margin-bottom: 10px; }
.kb-results { list-style: none; padding: 0; margin: 0 0 12px; border-bottom: 1px solid var(--line); }
.kb-results a { display: block; padding: 6px 4px; text-decoration: none; }
.kb-results small { display: block; color: var(--muted); }
.kb-side details { border-bottom: 1px solid var(--line); padding: 7px 0; }
.kb-side summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.kb-side ul { list-style: none; margin: 6px 0 4px; padding: 0 0 0 8px; }
.kb-side li a { display: block; padding: 4px 8px; color: var(--body); text-decoration: none; border-radius: 6px; }
.kb-side li a:hover { background: var(--tint); }
.kb-side a[aria-current="page"] { background: #ccfbf1; color: var(--teal-ink); font-weight: 600; }
.kb-grid { display: grid; gap: 18px; margin-top: 24px; }
@media (min-width: 720px) { .kb-grid { grid-template-columns: repeat(2, 1fr); } }
.kb-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.kb-card h2 { font-size: 1.08rem; }
.kb-card ul { margin: 0; padding-left: 18px; font-size: .95rem; }
.crumbs { font-size: .86rem; color: var(--muted); margin-bottom: 12px; }
.kb-article h1 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
.kb-article h2 { font-size: 1.28rem; margin-top: 1.7em; }
.kb-article h3 { font-size: 1.05rem; margin-top: 1.3em; }
.kb-article li { margin-bottom: .35em; }
.kb-article figure { margin: 18px 0; }
.kb-article figcaption { font-size: .88rem; color: var(--muted); margin-top: 6px; }
.kb-article img { border: 1px solid var(--line); border-radius: 8px; }
.kb-article table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
.kb-article th, .kb-article td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; }
.kb-date { color: var(--muted); font-size: .9rem; }
.kb-cta { margin-top: 40px; padding: 16px 20px; background: var(--tint); border-radius: var(--radius); }