:root {
  --ink: #101522;
  --ink-soft: #263044;
  --muted: #657086;
  --line: #dde3ed;
  --surface: #f6f8fc;
  --indigo: #555bd7;
  --indigo-dark: #4047bd;
  --emerald: #07845f;
  --mint: #d9f8ed;
  --shell: 76rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { min-width: 320px; margin: 0; color: var(--ink-soft); background: white; font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p { overflow-wrap: break-word; }
.shell { width: min(calc(100% - 2.5rem), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; top: -5rem; left: 1rem; border-radius: .5rem; padding: .65rem 1rem; color: white; background: var(--indigo); font-weight: 700; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid #7379f3; outline-offset: 3px; }

.site-header { position: sticky; z-index: 100; top: 0; display: grid; grid-template-columns: auto 1fr auto; min-height: 4.5rem; align-items: center; gap: 2rem; padding-inline: max(1.25rem, calc((100vw - var(--shell)) / 2)); border-bottom: 1px solid rgb(255 255 255 / 9%); color: white; background: rgb(17 21 33 / 96%); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; }
.brand-mark { display: grid; width: 2.1rem; height: 2.1rem; grid-template-columns: .48rem .48rem; grid-template-rows: .48rem .48rem; place-content: center; gap: .15rem; border: 1px solid rgb(255 255 255 / 15%); border-radius: .65rem; color: white; background: linear-gradient(145deg, #858bff, #4b52cf); box-shadow: 0 8px 25px rgb(69 76 205 / 30%); }
.brand-mark i { border-radius: .12rem; background: currentColor; }
.brand-mark i:first-child { grid-row: span 2; }
.brand-mark i:nth-child(2) { opacity: .7; }
.brand-mark i:nth-child(3) { opacity: .4; }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1.05; }
.brand strong { font-size: .72rem; letter-spacing: .08em; }
.brand small { margin-top: .15rem; color: #aeb3ff; font-size: .58rem; font-weight: 700; letter-spacing: .23em; }
.site-header nav { display: flex; justify-content: center; gap: clamp(1rem, 3vw, 2.2rem); }
.site-header nav a { color: #aab4c5; font-size: .79rem; font-weight: 600; text-decoration: none; }
.site-header nav a:hover { color: white; }
.header-cta { border: 1px solid #777efe; border-radius: .55rem; padding: .58rem .85rem; color: white; background: #555cda; font-size: .78rem; font-weight: 700; text-decoration: none; }

.hero { position: relative; overflow: hidden; padding: clamp(4rem, 8vw, 7rem) 0 clamp(5rem, 8vw, 7.5rem); background: radial-gradient(circle at 82% 18%, rgb(174 179 255 / 42%), transparent 29rem), radial-gradient(circle at 10% 80%, rgb(176 247 220 / 33%), transparent 31rem), linear-gradient(180deg, #f8f9fd, #f3f6fb); }
.hero::before { position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgb(90 101 129 / 5%) 1px, transparent 1px), linear-gradient(90deg, rgb(90 101 129 / 5%) 1px, transparent 1px); background-size: 40px 40px; content: ""; mask-image: linear-gradient(to bottom, black, transparent 80%); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, .8fr) minmax(36rem, 1.2fr); align-items: center; gap: clamp(3rem, 6vw, 6rem); }
.eyebrow { display: flex; align-items: center; gap: .55rem; margin: 0 0 .9rem; color: var(--indigo-dark); font-size: .7rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.hero-copy .eyebrow span { width: .5rem; height: .5rem; border-radius: 50%; background: #1bc48b; box-shadow: 0 0 0 .3rem rgb(27 196 139 / 12%); }
h1 { max-width: 9.5ch; margin: 0; color: #0b1020; font-size: clamp(3.6rem, 6.8vw, 6.8rem); font-weight: 700; letter-spacing: -.075em; line-height: .87; }
h1 em { color: var(--indigo-dark); font-family: "Source Serif 4", Georgia, serif; font-weight: 400; }
.hero-lede { max-width: 39rem; margin: 1.6rem 0 0; color: #4b566c; font-size: clamp(1rem, 1.5vw, 1.18rem); line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.8rem; }
.button { display: inline-flex; min-height: 3.15rem; align-items: center; justify-content: center; gap: .55rem; border: 1px solid transparent; border-radius: .7rem; padding: .75rem 1.15rem; font-size: .86rem; font-weight: 750; text-decoration: none; transition: transform .16s ease, box-shadow .16s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: linear-gradient(145deg, #646bef, #464dc4); box-shadow: 0 12px 30px rgb(70 77 196 / 24%); }
.button-secondary { border-color: #cdd4e1; color: #273147; background: rgb(255 255 255 / 72%); }
.trust-row { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; margin: 1.5rem 0 0; padding: 0; color: #5f6b80; font-size: .74rem; list-style: none; }
.trust-row li::before { margin-right: .4rem; color: var(--emerald); font-weight: 900; content: "✓"; }
.cold-start-note { max-width: 35rem; margin: .8rem 0 0; color: #798397; font-size: .68rem; line-height: 1.55; }
.hero-preview { position: relative; }
.hero-preview figure { position: relative; z-index: 2; margin: 0; overflow: hidden; border: 1px solid #9ca6ba; border-radius: 1rem; background: #111521; box-shadow: 0 35px 90px rgb(18 25 43 / 30%); transform: perspective(1300px) rotateY(-3deg) rotateX(1deg); }
.preview-chrome { display: flex; height: 2.25rem; align-items: center; gap: .35rem; padding: 0 .75rem; border-bottom: 1px solid #2a3142; background: #181d29; }
.preview-chrome > span { width: .48rem; height: .48rem; border-radius: 50%; background: #515b6d; }
.preview-chrome > span:first-child { background: #ff808c; }
.preview-chrome > span:nth-child(2) { background: #f7c95e; }
.preview-chrome > span:nth-child(3) { background: #4bda9f; }
.preview-chrome small { margin-inline: auto; border: 1px solid #303748; border-radius: .35rem; padding: .2rem 3rem; color: #778195; background: #10141e; font-size: .55rem; }
.preview-glow { position: absolute; inset: 12% 5%; border-radius: 50%; background: #7880ff; filter: blur(95px); opacity: .23; }
.proof-card { position: absolute; z-index: 3; display: flex; min-width: 8rem; flex-direction: column; border: 1px solid #d8dee9; border-radius: .8rem; padding: .75rem .9rem; background: rgb(255 255 255 / 96%); box-shadow: 0 15px 35px rgb(16 21 34 / 15%); }
.proof-card span { color: var(--indigo-dark); font-size: 1.3rem; font-weight: 800; line-height: 1; }
.proof-card small { margin-top: .2rem; color: #687388; font-size: .65rem; }
.proof-card-left { bottom: -1.5rem; left: -1.8rem; }
.proof-card-right { top: 3.5rem; right: -1.5rem; }
.signal-strip { border-block: 1px solid #242b3a; color: #aab3c3; background: #111521; }
.signal-strip .shell { display: grid; grid-template-columns: repeat(4, 1fr); }
.signal-strip span { padding: 1.1rem; border-right: 1px solid #242b3a; font-size: .7rem; font-weight: 650; text-align: center; }
.signal-strip span:first-child { border-left: 1px solid #242b3a; }

.section { padding-block: clamp(5rem, 9vw, 8rem); }
.section-heading { max-width: 47rem; }
.section-heading h2, .privacy-card h2, .final-card h2 { margin: 0; color: #0d1322; font-size: clamp(2.4rem, 5vw, 4.3rem); font-weight: 700; letter-spacing: -.06em; line-height: .98; }
.section-heading > p:last-child { max-width: 40rem; margin: 1rem 0 0; color: #637087; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 3.5rem; }
.feature { position: relative; min-height: 20rem; overflow: hidden; border: 1px solid var(--line); border-radius: 1.15rem; padding: 1.4rem; background: #fbfcfe; }
.feature-primary { grid-column: span 2; grid-row: span 2; display: flex; min-height: 41rem; flex-direction: column; justify-content: end; padding: clamp(1.6rem, 4vw, 3rem); background: radial-gradient(circle at 84% 15%, rgb(159 165 255 / 48%), transparent 17rem), linear-gradient(145deg, #f5f6ff, white); }
.feature-index { position: absolute; top: 1.3rem; left: 1.4rem; color: #747f94; font-size: .65rem; font-weight: 800; letter-spacing: .12em; }
.feature-symbol { display: grid; width: 3rem; height: 3rem; margin-bottom: 3.5rem; place-items: center; border-radius: .8rem; color: #4b52cc; background: #e3e5ff; font-size: 1.25rem; }
.feature-primary .feature-symbol { width: 5rem; height: 5rem; margin-bottom: 8rem; border-radius: 1.25rem; font-size: 2rem; }
.feature h3 { max-width: 17ch; margin: 0; color: #131a2a; font-size: 1.3rem; line-height: 1.2; }
.feature-primary h3 { font-size: clamp(2rem, 4vw, 3.6rem); letter-spacing: -.05em; }
.feature p { margin: .8rem 0 0; color: #687388; font-size: .84rem; }
.feature-primary p { max-width: 39rem; font-size: .98rem; }
.feature ul { display: flex; flex-wrap: wrap; gap: .5rem 1.3rem; margin: 1.4rem 0 0; padding: 0; color: #5e6980; font-size: .73rem; list-style: none; }
.feature li::before { margin-right: .35rem; color: var(--emerald); font-weight: 800; content: "✓"; }
.type-symbol { font-family: "Source Serif 4", Georgia, serif; }

.workflow-section { color: white; background: radial-gradient(circle at 90% 10%, rgb(83 91 218 / 32%), transparent 28rem), #101522; }
.section-heading-light h2 { color: white; }
.section-heading-light .eyebrow { color: #aeb3ff; }
.workflow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 3.5rem 0 0; padding: 0; border: 1px solid #2d3548; border-radius: 1.15rem; background: #2d3548; overflow: hidden; list-style: none; }
.workflow li { display: flex; min-height: 15rem; gap: 1rem; padding: 1.7rem; background: #151b29; }
.workflow li > span { color: #8f96ff; font: .68rem JetBrains Mono, monospace; }
.workflow strong { font-size: 1.08rem; }
.workflow p { margin: .7rem 0 0; color: #95a0b4; font-size: .8rem; }

.privacy-section { display: grid; gap: 1rem; }
.privacy-card { display: grid; grid-template-columns: auto minmax(0, 1fr) 18rem; align-items: center; gap: 1.7rem; border: 1px solid #aee9d4; border-radius: 1.3rem; padding: clamp(1.5rem, 4vw, 2.8rem); background: linear-gradient(120deg, #effcf8, #fff); }
.privacy-seal { display: grid; width: 3.5rem; height: 3.5rem; place-items: center; border-radius: 1rem; color: white; background: var(--emerald); font-size: 1.4rem; font-weight: 900; }
.privacy-card .eyebrow { color: var(--emerald); }
.privacy-card h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
.privacy-card p:not(.eyebrow) { max-width: 48rem; margin: .8rem 0 0; color: #556478; }
.privacy-card .privacy-fine { color: #778596; font-size: .72rem; }
.privacy-card dl { display: grid; gap: .7rem; margin: 0; border-left: 1px solid #bfe9da; padding-left: 1.5rem; }
.privacy-card dl div { display: flex; justify-content: space-between; gap: .5rem; }
.privacy-card dt { color: #637669; font-size: .7rem; }
.privacy-card dd { margin: 0; color: var(--emerald); font-size: .7rem; font-weight: 750; }
.csp-receipt { display: grid; grid-template-columns: 15rem minmax(0, 1fr); align-items: center; gap: 1.5rem; border: 1px solid #d8dfe9; border-radius: 1rem; padding: 1.2rem 1.4rem; background: #f7f9fc; }
.csp-receipt div { display: flex; flex-direction: column; }
.csp-receipt span { color: #65728a; font-size: .58rem; font-weight: 800; letter-spacing: .13em; }
.csp-receipt strong { color: #1f2939; font-size: .85rem; }
.csp-receipt code { overflow-x: auto; color: #4c596c; font: .66rem/1.7 JetBrains Mono, monospace; white-space: pre-wrap; }

.limits-section { background: var(--surface); }
.limits-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; gap: clamp(3rem, 8vw, 7rem); }
.limits-list { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; margin: 0; }
.limits-list div { min-height: 7rem; border: 1px solid #dbe1eb; border-radius: .85rem; padding: 1rem; background: white; }
.limits-list dt { color: #6e798d; font-size: .7rem; }
.limits-list dd { margin: .6rem 0 0; color: #182033; font-size: .92rem; font-weight: 750; }
.final-cta { padding-top: 2rem; }
.final-card { display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-radius: 1.4rem; padding: clamp(2rem, 6vw, 4.5rem); color: white; background: radial-gradient(circle at 80% 10%, rgb(101 109 239 / 40%), transparent 20rem), #111521; }
.final-card .eyebrow { color: #aeb3ff; }
.final-card h2 { max-width: 16ch; color: white; }
.button-light { color: #202846; background: white; box-shadow: 0 12px 35px rgb(0 0 0 / 22%); white-space: nowrap; }
.site-footer { margin-top: 6rem; border-top: 1px solid #e1e6ee; padding: 2rem 0; }
.site-footer .shell { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 2rem; }
.footer-brand { color: #1d2536; font-size: .8rem; font-weight: 700; }
.site-footer p { color: #7a8597; font-size: .7rem; text-align: center; }
.site-footer nav { display: flex; gap: 1.2rem; }
.site-footer nav a { color: #536076; font-size: .7rem; font-weight: 650; text-decoration: none; }

@media (max-width: 1000px) {
  .site-header nav { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-copy .eyebrow, .hero-actions, .trust-row { justify-content: center; }
  h1, .hero-lede, .cold-start-note { margin-inline: auto; }
  .hero-preview { width: min(100%, 48rem); margin-inline: auto; }
  .proof-card-left { left: .5rem; }
  .proof-card-right { right: .5rem; }
  .privacy-card { grid-template-columns: auto 1fr; }
  .privacy-card dl { grid-column: 2; border-left: 0; padding-left: 0; }
}
@media (max-width: 720px) {
  .shell { width: min(calc(100% - 1.4rem), var(--shell)); }
  .hero { padding-top: 3.5rem; }
  h1 { font-size: clamp(3rem, 15vw, 5rem); }
  .hero-preview figure { transform: none; }
  .proof-card { display: none; }
  .signal-strip .shell { grid-template-columns: 1fr 1fr; }
  .signal-strip span:nth-child(odd) { border-left: 1px solid #242b3a; }
  .capability-grid { grid-template-columns: 1fr; }
  .feature-primary { grid-column: auto; grid-row: auto; min-height: 28rem; }
  .feature-primary .feature-symbol { margin-bottom: 4rem; }
  .workflow { grid-template-columns: 1fr; }
  .workflow li { min-height: auto; }
  .privacy-card { grid-template-columns: 1fr; }
  .privacy-card dl { grid-column: auto; }
  .csp-receipt, .limits-grid { grid-template-columns: 1fr; }
  .limits-list { grid-template-columns: 1fr; }
  .final-card { align-items: flex-start; flex-direction: column; }
  .site-footer .shell { grid-template-columns: 1fr; justify-items: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
@media (forced-colors: active) {
  * { box-shadow: none !important; }
  .feature, .privacy-card, .csp-receipt, .limits-list div { border: 1px solid CanvasText; }
}