:root {
  --ink: #101a2c;
  --ink-2: #182845;
  --paper: #f5f0e5;
  --paper-2: #fffdf7;
  --blue: #4e8eea;
  --blue-dark: #2e68ba;
  --coral: #ef725f;
  --mint: #9fd9ca;
  --line: rgba(16, 26, 44, 0.16);
  --muted: #5c6472;
  --white: #fffdf7;
  --shadow: 0 22px 60px rgba(16, 26, 44, 0.12);
  --radius: 18px;
  --content: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='44' viewBox='0 0 44 44'%3E%3Cpath d='M44 0H0V44' fill='none' stroke='%23101a2c' stroke-opacity='.08'/%3E%3C/svg%3E");
  background-size: 44px 44px;
  content: "";
  opacity: 0.42;
}

a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 50;
  padding: 0.65rem 0.9rem;
  background: var(--paper-2);
  border: 2px solid var(--ink);
  border-radius: 8px;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
}

.shell { width: min(calc(100% - 2rem), var(--content)); margin-inline: auto; }
.narrow { width: min(calc(100% - 2rem), 820px); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(245, 240, 229, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.brand img { width: 34px; height: 34px; }

.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a {
  color: #3d4656;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue-dark); }
.nav-toggle { display: none; }

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.7rem 1.05rem;
  border: 1px solid var(--ink);
  border-radius: 10px;
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.button:hover { transform: translateY(-2px); background: var(--ink-2); }
.button-secondary { background: transparent; color: var(--ink); }
.button-secondary:hover { background: var(--paper-2); }
.button-small { min-height: 38px; padding: 0.55rem 0.85rem; font-size: 0.88rem; }
.button-light { background: var(--paper-2); color: var(--ink); border-color: var(--paper-2); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow::before { width: 26px; height: 2px; background: currentColor; content: ""; }

h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -0.04em; }
h1 { max-width: 14ch; font-size: clamp(3.15rem, 8vw, 6.8rem); font-weight: 850; }
h2 { max-width: 18ch; font-size: clamp(2.25rem, 5vw, 4.3rem); font-weight: 820; }
h3 { font-size: 1.35rem; font-weight: 800; }
p { margin: 0; }

.hero { padding: clamp(4.5rem, 9vw, 8rem) 0 4.25rem; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.98fr); align-items: center; gap: 4rem; }
.hero h1 em { color: var(--blue-dark); font-style: normal; }
.hero-copy > p:not(.eyebrow) { max-width: 610px; margin-top: 1.65rem; color: var(--muted); font-size: 1.15rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.hero-note { display: flex; flex-wrap: wrap; gap: 0.7rem 1.2rem; margin-top: 1.35rem; color: var(--muted); font-size: 0.82rem; font-weight: 700; }
.hero-note span::before { color: var(--coral); content: "◆"; margin-right: 0.45rem; font-size: 0.58em; vertical-align: 0.15em; }

.product-stage { position: relative; min-height: 590px; }
.stage-disc { position: absolute; border: 1px solid rgba(16, 26, 44, 0.12); border-radius: 50%; }
.stage-disc.one { width: 510px; height: 510px; right: -80px; top: 10px; }
.stage-disc.two { width: 380px; height: 380px; right: -15px; top: 75px; border-color: rgba(78, 142, 234, 0.3); }

.app-window {
  position: absolute;
  width: min(640px, 110%);
  right: 0;
  top: 44px;
  overflow: hidden;
  border: 1px solid rgba(16, 26, 44, 0.26);
  border-radius: 18px;
  background: var(--paper-2);
  box-shadow: var(--shadow);
  transform: rotate(1.6deg);
}
.app-bar { height: 44px; display: flex; align-items: center; gap: 7px; padding: 0 15px; background: var(--ink); }
.app-bar i { width: 8px; height: 8px; border-radius: 50%; background: #5f708d; }
.app-bar i:first-child { background: var(--coral); }
.app-bar span { margin-left: auto; color: #cad3e2; font-family: ui-monospace, monospace; font-size: 0.68rem; }
.app-body { min-height: 430px; display: grid; grid-template-columns: 150px 1fr; }
.app-sidebar { padding: 22px 14px; border-right: 1px solid var(--line); background: #f0ebdf; }
.app-sidebar strong { display: block; margin-bottom: 18px; font-size: 0.8rem; }
.app-nav-row { display: flex; align-items: center; gap: 7px; margin: 8px 0; color: #596170; font-size: 0.68rem; }
.app-nav-row i { width: 15px; height: 15px; display: grid; place-items: center; border: 1px solid #aeb3ba; border-radius: 4px; font-style: normal; font-size: 0.55rem; }
.app-nav-row.active { color: var(--ink); font-weight: 800; }
.app-content { padding: 34px 38px; }
.app-kicker { color: var(--blue-dark); font-size: 0.66rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.12em; }
.app-content h2 { margin-top: 8px; font-size: 1.85rem; }
.app-content > p { max-width: 42ch; margin-top: 10px; color: #676d77; font-size: 0.72rem; line-height: 1.55; }
.note-list { margin-top: 24px; display: grid; gap: 9px; }
.note-line { display: grid; grid-template-columns: 18px 1fr auto; align-items: center; gap: 8px; padding: 9px 0; border-bottom: 1px solid #e4ded3; font-size: 0.7rem; }
.note-line i { width: 14px; height: 14px; border: 1px solid #a7adb5; border-radius: 3px; }
.note-line span:last-child { padding: 2px 6px; border-radius: 999px; background: #dce9fb; color: #275b9f; font-size: 0.58rem; }
.note-line.done { color: #5d636d; text-decoration: line-through; }
.note-line.done i { background: var(--mint); border-color: #5b9f8c; }
.floating-card { position: absolute; padding: 15px 17px; border: 1px solid rgba(16,26,44,.2); border-radius: 13px; background: var(--paper-2); box-shadow: 0 16px 34px rgba(16,26,44,.13); font-size: 0.76rem; font-weight: 800; }
.floating-card small { display: block; margin-top: 2px; color: var(--muted); font-weight: 600; }
.floating-card.graph { left: -30px; bottom: 43px; transform: rotate(-3deg); }
.floating-card.backup { right: -16px; bottom: 0; transform: rotate(2deg); }

.proof-strip { border-block: 1px solid var(--line); background: rgba(255,253,247,.56); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-item { padding: 1.55rem 1.25rem; border-right: 1px solid var(--line); }
.proof-item:first-child { border-left: 1px solid var(--line); }
.proof-item strong { display: block; font-size: 1.12rem; letter-spacing: -0.025em; }
.proof-item span { color: var(--muted); font-size: 0.8rem; }

.section { padding: clamp(5rem, 9vw, 8.5rem) 0; }
.section-tight { padding-top: 1rem; }
.not-found-wrap { padding-top: 6rem; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(300px, .55fr); align-items: end; gap: 2rem; margin-bottom: 3.5rem; }
.section-heading > p { color: var(--muted); font-size: 1.05rem; }

.feature-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.feature-card { min-height: 260px; padding: 1.65rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,253,247,.72); }
.feature-card:nth-child(1), .feature-card:nth-child(4) { grid-column: span 7; }
.feature-card:nth-child(2), .feature-card:nth-child(3) { grid-column: span 5; }
.feature-number { display: inline-grid; width: 34px; height: 34px; place-items: center; margin-bottom: 3.5rem; border-radius: 50%; background: var(--ink); color: var(--white); font: 700 .78rem ui-monospace, monospace; }
.feature-card p { max-width: 52ch; margin-top: .9rem; color: var(--muted); }
.feature-card.accent { background: var(--ink); color: var(--white); }
.feature-card.accent p { color: #cbd4e3; }
.feature-card.accent .feature-number { background: var(--coral); }

.ownership { background: var(--ink); color: var(--white); }
.ownership .eyebrow { color: var(--mint); }
.ownership-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 5rem; align-items: start; }
.ownership-copy > p { max-width: 48ch; margin-top: 1.5rem; color: #c6cedb; font-size: 1.05rem; }
.principle-list { border-top: 1px solid #35445d; }
.principle { display: grid; grid-template-columns: 46px 1fr; gap: 1rem; padding: 1.4rem 0; border-bottom: 1px solid #35445d; }
.principle > span { color: var(--coral); font: 800 .85rem ui-monospace, monospace; }
.principle p { margin-top: .45rem; color: #bfc8d7; font-size: .9rem; }

.route-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.route-card { display: flex; min-height: 250px; flex-direction: column; padding: 1.6rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-2); }
.route-card .route-label { color: var(--blue-dark); font: 800 .72rem ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.route-card h3 { margin-top: 1rem; }
.route-card p { margin: .8rem 0 1.5rem; color: var(--muted); font-size: .92rem; }
.route-card a { margin-top: auto; font-weight: 800; text-decoration-thickness: 2px; text-underline-offset: 4px; }

.cta { padding: 0 0 6rem; }
.cta-box { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; padding: clamp(2rem, 6vw, 4.5rem); border-radius: 24px; background: var(--blue-dark); color: var(--white); }
.cta-box h2 { font-size: clamp(2.3rem, 5vw, 4.4rem); }
.cta-box p { max-width: 55ch; margin-top: 1rem; color: #dbe8fb; }

.site-footer { padding: 3rem 0; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: start; }
.footer-copy { max-width: 42ch; margin-top: .8rem; color: var(--muted); font-size: .84rem; }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(120px, 1fr)); gap: .55rem 2rem; }
.footer-links a { color: var(--muted); font-size: .84rem; font-weight: 700; text-decoration: none; }
.footer-links a:hover { color: var(--blue-dark); }
.footer-legal { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .75rem; }

/* Interior pages */
.page-hero { padding: clamp(4rem, 8vw, 7rem) 0 3.5rem; }
.page-hero h1 { max-width: 16ch; font-size: clamp(3rem, 7vw, 5.6rem); }
.page-hero .lede { max-width: 690px; margin-top: 1.5rem; color: var(--muted); font-size: 1.15rem; }
.page-hero .status-row { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.5rem; }
.status-pill { display: inline-flex; align-items: center; gap: .45rem; padding: .4rem .7rem; border: 1px solid var(--line); border-radius: 999px; background: var(--paper-2); font-size: .78rem; font-weight: 750; }
.status-pill::before { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); content: ""; }

.install-chooser { display: grid; grid-template-columns: repeat(5, 1fr); gap: .6rem; padding: .65rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,253,247,.7); }
.install-chooser button { min-height: 48px; border: 0; border-radius: 10px; background: transparent; color: var(--muted); cursor: pointer; font-weight: 800; }
.install-chooser button[aria-selected="true"] { background: var(--ink); color: var(--white); }
.install-panel { margin-top: 1rem; padding: clamp(1.4rem, 4vw, 2.4rem); border: 1px solid var(--line); border-radius: 18px; background: var(--paper-2); }
.install-panel[hidden] { display: none; }
.install-panel-grid { display: grid; grid-template-columns: 1fr minmax(280px, .75fr); gap: 2.5rem; align-items: start; }
.install-panel h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
.install-panel p { margin-top: 1rem; color: var(--muted); }
.install-meta { display: grid; gap: .8rem; }
.install-meta div { padding: 1rem; border: 1px solid var(--line); border-radius: 12px; }
.install-meta strong { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; }
.install-meta span { display: block; margin-top: .25rem; color: var(--muted); font-size: .87rem; }

.code-wrap { position: relative; margin-top: 1.2rem; }
pre { margin: 0; padding: 1.15rem 4.5rem 1.15rem 1.15rem; overflow-x: auto; border-radius: 12px; background: var(--ink); color: #e9eef6; font: 500 .82rem/1.65 ui-monospace, SFMono-Regular, Menlo, monospace; }
.copy-button { position: absolute; top: .65rem; right: .65rem; padding: .4rem .6rem; border: 1px solid #50617e; border-radius: 7px; background: #25334c; color: #eef3fa; cursor: pointer; font-size: .7rem; font-weight: 800; }
.copy-button[data-copied="true"] { background: #2f725f; }

.guide-layout { display: grid; grid-template-columns: 220px 1fr; gap: 4rem; align-items: start; }
.guide-nav { position: sticky; top: 100px; padding-left: 1rem; border-left: 2px solid var(--line); }
.guide-nav strong { display: block; margin-bottom: .8rem; font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
.guide-nav a { display: block; margin: .55rem 0; color: var(--muted); font-size: .85rem; font-weight: 700; text-decoration: none; }
.guide-nav a:hover { color: var(--blue-dark); }
.prose { min-width: 0; }
.prose section { padding: 0 0 4.5rem; scroll-margin-top: 100px; }
.prose h2 { max-width: none; margin-bottom: 1.2rem; font-size: clamp(2rem, 4vw, 3rem); }
.prose h3 { margin: 2rem 0 .8rem; }
.prose p, .prose li { color: #505968; }
.prose p + p { margin-top: 1rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li + li { margin-top: .55rem; }
.prose a { color: var(--blue-dark); font-weight: 700; text-underline-offset: 3px; }
.step-list { list-style: none; padding: 0 !important; counter-reset: steps; }
.step-list li { position: relative; min-height: 48px; padding: 0 0 1.5rem 58px; counter-increment: steps; }
.step-list li::before { position: absolute; left: 0; top: -.15rem; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--white); content: counter(steps); font: 800 .78rem ui-monospace, monospace; }
.callout { margin: 1.4rem 0; padding: 1.1rem 1.25rem; border-left: 4px solid var(--blue); border-radius: 0 10px 10px 0; background: #e8f0fb; color: #33455f; }
.callout.warning { border-color: var(--coral); background: #fbe9e4; }
.callout strong { color: var(--ink); }

.comparison { width: 100%; margin-top: 1.4rem; border-collapse: collapse; font-size: .88rem; }
.comparison th, .comparison td { padding: .9rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison th { color: var(--ink); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; }
.comparison td { color: var(--muted); }

.security-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.security-card { padding: 1.5rem; border: 1px solid var(--line); border-radius: 16px; background: var(--paper-2); }
.security-card p { margin-top: .7rem; color: var(--muted); font-size: .9rem; }
.security-card .truth { display: inline-block; margin-bottom: 1rem; color: var(--blue-dark); font: 800 .7rem ui-monospace, monospace; text-transform: uppercase; letter-spacing: .1em; }

.decision { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.decision-card { padding: 1.5rem; border: 1px solid var(--line); border-radius: 16px; }
.decision-card.recommended { background: var(--ink); color: var(--white); }
.decision-card p { margin-top: .7rem; color: var(--muted); }
.decision-card.recommended p { color: #c5cede; }

[data-motion="ready"] [data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity 600ms ease, transform 600ms ease; }
[data-motion="ready"] [data-reveal][data-visible="true"] { opacity: 1; transform: translateY(0); }

@media (max-width: 960px) {
  .hero-grid, .ownership-grid { grid-template-columns: 1fr; }
  .product-stage { min-height: 540px; }
  .app-window { left: 2%; right: auto; width: 94%; }
  .section-heading { grid-template-columns: 1fr; align-items: start; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(3) { border-left: 1px solid var(--line); }
  .feature-card:nth-child(n) { grid-column: span 6; }
  .route-grid { grid-template-columns: 1fr; }
  .route-card { min-height: 0; }
  .guide-layout { grid-template-columns: 1fr; gap: 2rem; }
  .guide-nav { position: static; display: flex; flex-wrap: wrap; gap: .25rem 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; }
  .guide-nav strong { width: 100%; }
  .guide-nav a { margin: 0; }
}

@media (max-width: 740px) {
  .site-header { position: relative; }
  .nav { min-height: 64px; }
  .nav-toggle { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 9px; background: var(--paper-2); color: var(--ink); cursor: pointer; }
  .nav-links { position: absolute; left: 1rem; right: 1rem; top: 58px; display: none; flex-direction: column; align-items: stretch; padding: 1rem; border: 1px solid var(--line); border-radius: 14px; background: var(--paper-2); box-shadow: var(--shadow); }
  .nav-links[data-open] { display: flex; }
  .nav-links .button { width: 100%; }
  h1 { font-size: clamp(3rem, 15vw, 4.8rem); }
  .hero { padding-top: 4rem; }
  .hero-grid { gap: 2rem; }
  .product-stage { min-height: 430px; }
  .app-window { top: 22px; }
  .app-body { min-height: 340px; grid-template-columns: 100px 1fr; }
  .app-sidebar { padding: 17px 9px; }
  .app-nav-row { font-size: .56rem; }
  .app-content { padding: 24px 20px; }
  .app-content h2 { font-size: 1.35rem; }
  .floating-card { display: none; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-item, .proof-item:nth-child(3) { border-left: 1px solid var(--line); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card:nth-child(n) { grid-column: auto; min-height: 220px; }
  .route-grid, .security-grid, .decision { grid-template-columns: 1fr; }
  .cta-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-legal { flex-direction: column; }
  .install-chooser { grid-template-columns: 1fr 1fr; }
  .install-panel-grid { grid-template-columns: 1fr; }
  .comparison { display: block; overflow-x: auto; }
}

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