:root {
  color-scheme: dark;
  --navy-950: #04101f;
  --navy-900: #071426;
  --navy-800: #0d213b;
  --navy-700: #17365e;
  --blue: #347ff0;
  --blue-light: #77adff;
  --gold: #e7b644;
  --violet: #7447f5;
  --white: #f8fbff;
  --ink: #0a1a31;
  --muted: #aebdd1;
  --muted-dark: #586a80;
  --line: rgb(255 255 255 / 14%);
  --line-dark: #dbe3ed;
  --max-width: 74rem;
  --radius: 1.25rem;
  --shadow: 0 1.5rem 4rem rgb(3 16 35 / 14%);
  --shadow-soft: 0 1rem 3rem rgb(7 20 38 / 9%);
  --shadow-dark: 0 1.5rem 4rem rgb(0 0 0 / 28%);
  --surface-glass: linear-gradient(145deg, rgb(255 255 255 / 8%), rgb(255 255 255 / 3%));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { margin: 0; overflow-x: hidden; background: var(--navy-900); color: var(--white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: rgb(52 127 240 / 38%); color: white; }
.container { width: min(100% - 2rem, var(--max-width)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.skip-link { position: fixed; z-index: 100; top: .5rem; left: .5rem; padding: .65rem 1rem; background: white; color: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.site-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid rgb(255 255 255 / 10%); background: linear-gradient(90deg, rgb(4 16 31 / 94%), rgb(7 20 38 / 88%)); box-shadow: 0 .6rem 2rem rgb(0 0 0 / 12%); backdrop-filter: blur(18px) saturate(135%); }
.header-inner { display: flex; min-height: 6rem; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .85rem; color: var(--white); font-size: 1.28rem; font-weight: 600; letter-spacing: -.015em; text-decoration: none; }
.brand img { width: 4rem; height: 4rem; border-radius: .7rem; filter: drop-shadow(0 .5rem 1rem rgb(0 0 0 / 22%)); }
.footer-brand .brand img { width: 4.5rem; height: 4.5rem; }
.menu-toggle { position: relative; width: 2.9rem; height: 2.9rem; border: 1px solid var(--line); border-radius: .65rem; background: transparent; color: white; }
.menu-toggle span:not(.sr-only) { position: absolute; left: 50%; display: block; width: 1.4rem; height: 2px; border-radius: 999px; background: currentColor; transform: translate(-50%, -50%); transform-origin: center; transition: top 180ms ease, transform 180ms ease, opacity 180ms ease; }
.menu-toggle span:nth-child(2) { top: calc(50% - 7px); }
.menu-toggle span:nth-child(3) { top: 50%; }
.menu-toggle span:nth-child(4) { top: calc(50% + 7px); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { top: 50%; transform: translate(-50%, -50%) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { opacity: 0; transform: translate(-50%, -50%) scaleX(.3); }
.menu-toggle[aria-expanded="true"] span:nth-child(4) { top: 50%; transform: translate(-50%, -50%) rotate(-45deg); }
nav { position: absolute; top: calc(100% + 1px); right: 0; left: 0; display: none; padding: .75rem 1rem 1rem; border-bottom: 1px solid var(--line); background: var(--navy-950); box-shadow: 0 1rem 2rem rgb(0 0 0 / 25%); }
nav[data-open] { display: grid; }
nav a { border-radius: .65rem; padding: .75rem; color: #dce8f7; text-decoration: none; transition: color 180ms ease, background 180ms ease; }
nav a:not(.button):hover { background: rgb(255 255 255 / 6%); color: white; }

.button { display: inline-flex; min-height: 3.1rem; align-items: center; justify-content: center; border: 1px solid rgb(119 173 255 / 42%); border-radius: .8rem; padding: .7rem 1.1rem; background: linear-gradient(135deg, #3d8cff, #286fd8); box-shadow: 0 .7rem 1.7rem rgb(36 105 211 / 24%), inset 0 1px rgb(255 255 255 / 22%); color: white; font-weight: 750; text-align: center; text-decoration: none; transition: transform 180ms ease, filter 180ms ease, box-shadow 180ms ease, background 180ms ease; }
.button:hover { filter: brightness(1.08); box-shadow: 0 .9rem 2rem rgb(36 105 211 / 32%), inset 0 1px rgb(255 255 255 / 25%); transform: translateY(-2px); }
.button-secondary { border-color: rgb(255 255 255 / 28%); background: linear-gradient(135deg, rgb(255 255 255 / 10%), rgb(255 255 255 / 4%)); box-shadow: inset 0 1px rgb(255 255 255 / 9%); }
.button-small { min-height: 2.6rem; padding: .45rem .85rem; }
.button[aria-disabled="true"], footer a[aria-disabled="true"] { opacity: .58; cursor: not-allowed; }

.hero { position: relative; isolation: isolate; overflow: hidden; padding: clamp(3.5rem, 8vw, 7rem) 0; background: radial-gradient(circle at 80% 32%, rgb(52 127 240 / 24%), transparent 30%), radial-gradient(circle at 12% 78%, rgb(116 71 245 / 10%), transparent 28%), linear-gradient(145deg, #03101f 0%, #071a31 55%, #051426 100%); }
.hero::before { position: absolute; z-index: -1; inset: 0; background-image: linear-gradient(rgb(255 255 255 / 2.5%) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 2.5%) 1px, transparent 1px); background-size: 4.5rem 4.5rem; content: ""; mask-image: linear-gradient(to bottom, black, transparent 88%); }
.hero::after { position: absolute; z-index: -1; right: -8rem; bottom: -15rem; width: 35rem; height: 35rem; border: 1px solid rgb(231 182 68 / 18%); border-radius: 50%; box-shadow: 0 0 5rem rgb(231 182 68 / 5%); content: ""; }
.hero-grid { position: relative; z-index: 1; display: grid; gap: 2.5rem; align-items: center; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 .8rem; color: var(--blue-light); font-size: .76rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.hero-status { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; }
.badge { display: inline-flex; align-items: center; padding: .25rem .65rem; border: 1px solid rgb(231 182 68 / 44%); border-radius: 999px; background: rgb(231 182 68 / 6%); box-shadow: inset 0 1px rgb(255 255 255 / 5%); color: #ffd46f; font-size: .84rem; }
.badge-launch { border-color: rgb(119 173 255 / 72%); background: linear-gradient(135deg, rgb(52 127 240 / 22%), rgb(116 71 245 / 14%)); box-shadow: 0 0 0 1px rgb(52 127 240 / 8%), 0 0 1.1rem rgb(52 127 240 / 22%), inset 0 1px rgb(255 255 255 / 12%); color: #f4f8ff; text-shadow: 0 0 .8rem rgb(119 173 255 / 42%); animation: launch-highlight 3.2s ease-in-out infinite; }
h1, h2, h3 { margin-top: 0; line-height: 1.1; letter-spacing: -.035em; }
h1 { max-width: 19ch; margin: 1rem 0; font-size: clamp(2.35rem, 5vw, 3.8rem); text-wrap: balance; text-shadow: 0 .5rem 2.5rem rgb(0 0 0 / 18%); }
h2 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h3 { font-size: 1.2rem; }
.lead { max-width: 62ch; color: #bdcadb; font-size: clamp(1.05rem, 2vw, 1.22rem); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 2rem 0 1.25rem; }
.text-link { color: #d7e6f8; font-weight: 700; text-decoration-color: rgb(255 255 255 / 35%); text-underline-offset: .3rem; }
.hero-media { position: relative; min-width: 0; margin: 0; perspective: 80rem; }
.hero-media::before { position: absolute; inset: 14% 8%; border-radius: 50%; background: rgb(52 127 240 / 22%); filter: blur(3.5rem); content: ""; }
.hero-media::after { position: absolute; inset: 10% 4% 8% 10%; border: 1px solid rgb(255 255 255 / 9%); border-radius: 2.5rem; background: linear-gradient(145deg, rgb(255 255 255 / 6%), rgb(255 255 255 / 1%)); box-shadow: inset 0 1px rgb(255 255 255 / 8%), var(--shadow-dark); content: ""; transform: rotate(-3deg) translateZ(-1px); }
.hero-media img { position: relative; z-index: 1; width: min(100%, 43rem); height: auto; margin-inline: auto; object-fit: contain; filter: drop-shadow(0 2.4rem 2.6rem rgb(0 0 0 / 38%)); }

.trust-strip { border-block: 1px solid rgb(255 255 255 / 10%); background: linear-gradient(90deg, #0a1d35, #102a49 50%, #0a1d35); box-shadow: inset 0 1px rgb(255 255 255 / 3%); }
.trust-grid { display: grid; padding-block: 1rem; gap: .35rem; }
.trust-grid p { margin: 0; color: #dbe7f5; font-size: .9rem; }
.trust-grid span { margin-right: .45rem; color: var(--gold); font-size: .72rem; font-weight: 800; }

.section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.section-light { color-scheme: light; background: radial-gradient(circle at 90% 5%, rgb(52 127 240 / 6%), transparent 24rem), linear-gradient(180deg, #f8fafd, #f3f7fc); color: var(--ink); }
.section-heading { max-width: 48rem; margin-bottom: 2.5rem; }
.section-heading h2 { margin-bottom: 1rem; }
.section-heading > p:last-child { max-width: 66ch; color: var(--muted-dark); font-size: 1.08rem; }
.section-heading-dark > p:last-child { color: var(--muted); }
.feature-grid { display: grid; gap: 1rem; }
.feature-card { position: relative; min-height: 13rem; padding: 1.5rem; overflow: hidden; border: 1px solid #dfe7f0; border-radius: var(--radius); background: linear-gradient(145deg, white, #fbfdff); box-shadow: var(--shadow-soft), inset 0 1px white; transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease; }
.feature-card::after { position: absolute; right: -3rem; bottom: -4rem; width: 8rem; height: 8rem; border-radius: 50%; background: rgb(52 127 240 / 5%); content: ""; }
.feature-card:hover { border-color: #bed3ef; box-shadow: 0 1.5rem 3.5rem rgb(7 20 38 / 13%); transform: translateY(-5px); }
.feature-card p { margin-bottom: 0; color: var(--muted-dark); }
.feature-number { display: inline-grid; width: 2.5rem; height: 2.5rem; margin-bottom: 1.5rem; place-items: center; border-radius: .7rem; background: #edf4ff; color: #286dce; font-size: .75rem; font-weight: 850; }
.feature-card-ai .feature-number { background: #f2edff; color: var(--violet); }

.workflow { background: radial-gradient(circle at 15% 15%, rgb(52 127 240 / 10%), transparent 24rem), linear-gradient(160deg, var(--navy-900), #0a2039); }
.workflow-list { display: grid; margin: 0; padding: 0; gap: .75rem; list-style: none; counter-reset: none; }
.workflow-list li { position: relative; display: flex; min-height: 8rem; align-items: flex-start; gap: 1rem; padding: 1.35rem 1.25rem 1.25rem; border: 1px solid rgb(255 255 255 / 12%); border-radius: 1rem; background: var(--surface-glass); box-shadow: inset 0 1px rgb(255 255 255 / 5%), 0 1rem 2rem rgb(0 0 0 / 9%); transition: border-color 180ms ease, transform 180ms ease, background 180ms ease; }
.workflow-list li:hover { border-color: rgb(119 173 255 / 35%); background: linear-gradient(145deg, rgb(119 173 255 / 10%), rgb(255 255 255 / 3%)); transform: translateY(-3px); }
.workflow-list li::before { position: absolute; top: -1px; right: 1.25rem; left: 1.25rem; height: 2px; background: linear-gradient(90deg, var(--blue-light), transparent); content: ""; }
.workflow-list li > span { flex: 0 0 auto; color: var(--blue-light); font-size: .72rem; font-weight: 850; letter-spacing: .12em; line-height: 1.4; }
.workflow-list h3 { margin: .15rem 0 .35rem; }
.workflow-list p { margin: 0; color: var(--muted); }

.product-stories { overflow: hidden; background: radial-gradient(circle at 10% 35%, rgb(116 71 245 / 5%), transparent 26rem), radial-gradient(circle at 90% 75%, rgb(52 127 240 / 8%), transparent 30rem), linear-gradient(180deg, #f5f8fc 0%, #edf4fb 100%); }
.story-list { display: grid; gap: clamp(5rem, 11vw, 9rem); }
.story { position: relative; display: grid; gap: 2.5rem; align-items: center; }
.story::before { position: absolute; inset: -2rem -3rem; border: 1px solid rgb(153 174 201 / 18%); border-radius: 2.5rem; background: rgb(255 255 255 / 28%); box-shadow: 0 2rem 5rem rgb(27 57 94 / 5%); content: ""; }
.story-copy { position: relative; z-index: 1; max-width: 40rem; }
.story-copy p:not(.eyebrow), .story-copy li { color: var(--muted-dark); }
.product-visual { position: relative; display: grid; min-width: 0; margin: 0; place-items: center; }
.product-visual::before { position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgb(52 127 240 / 15%), rgb(52 127 240 / 0%) 68%); content: ""; }
.product-visual img { position: relative; z-index: 1; width: 100%; height: auto; object-fit: contain; filter: drop-shadow(0 2rem 2rem rgb(7 20 38 / 21%)); transition: filter 240ms ease, transform 240ms ease; }
.story:hover .product-visual img { filter: drop-shadow(0 2.4rem 2.2rem rgb(7 20 38 / 25%)); transform: translateY(-4px); }
.product-visual-planning img { width: min(100%, 26rem); }
.product-visual-logbook img { width: min(100%, 47rem); }
.check-list { display: grid; margin: 1.5rem 0 0; padding: 0; gap: .65rem; list-style: none; }
.check-list li { position: relative; padding-left: 1.8rem; }
.check-list li::before { position: absolute; left: 0; color: #1d75df; font-weight: 900; content: "✓"; }

.benefits { background: radial-gradient(circle at 85% 20%, rgb(52 127 240 / 12%), transparent 26rem), linear-gradient(145deg, var(--navy-950), var(--navy-800)); }
.profile-grid { display: grid; gap: 1rem; }
.profile-grid article { padding: 1.5rem; border: 1px solid rgb(255 255 255 / 12%); border-radius: var(--radius); background: var(--surface-glass); box-shadow: inset 0 1px rgb(255 255 255 / 5%); transition: border-color 180ms ease, transform 180ms ease; }
.profile-grid article:hover { border-color: rgb(231 182 68 / 28%); transform: translateY(-4px); }
.profile-grid article > span { display: grid; width: 3rem; height: 3rem; margin-bottom: 1.25rem; place-items: center; border: 1px solid rgb(231 182 68 / 45%); border-radius: .8rem; color: var(--gold); font-weight: 900; }
.profile-grid p { color: var(--muted); }
.benefit-list { display: grid; margin-top: 2rem; border-block: 1px solid var(--line); }
.benefit-list p { margin: 0; padding: 1rem 0; border-bottom: 1px solid var(--line); color: #dce8f7; }
.benefit-list p:last-child { border-bottom: 0; }

.faq-layout { display: grid; gap: 2rem; }
.faq-list { display: grid; gap: .75rem; }
details { border: 1px solid var(--line-dark); border-radius: 1rem; background: linear-gradient(145deg, white, #fbfdff); box-shadow: 0 .7rem 1.8rem rgb(7 20 38 / 4%); transition: border-color 180ms ease, box-shadow 180ms ease; }
details[open] { border-color: #bad1ef; box-shadow: 0 1rem 2.5rem rgb(7 20 38 / 9%); }
summary { position: relative; padding: 1.15rem 3rem 1.15rem 1.2rem; color: var(--ink); font-weight: 750; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { position: absolute; top: 1rem; right: 1.25rem; color: var(--blue); font-size: 1.3rem; content: "+"; }
details[open] summary::after { content: "−"; }
details p { margin: 0; padding: 0 1.2rem 1.2rem; color: var(--muted-dark); }

.cta { position: relative; background: radial-gradient(circle at 20% 10%, rgb(116 71 245 / 22%), transparent 32%), radial-gradient(circle at 85% 90%, rgb(52 127 240 / 16%), transparent 28rem), var(--navy-900); }
.cta-inner { display: grid; gap: 2rem; align-items: center; border: 1px solid rgb(255 255 255 / 12%); border-radius: 1.75rem; padding: clamp(1.5rem, 4vw, 3rem); background: var(--surface-glass); box-shadow: inset 0 1px rgb(255 255 255 / 6%), var(--shadow-dark); }
.cta-inner h2 { max-width: 18ch; margin-bottom: .8rem; }
.cta-inner > div > p:last-child { color: var(--muted); }
.cta-actions { display: grid; gap: .75rem; }
.cta-actions p { margin: .35rem 0 0; color: var(--muted); font-size: .88rem; }

footer { border-top: 1px solid var(--line); background: linear-gradient(155deg, #03101f, #06172b); color: var(--muted); }
.footer-grid { display: grid; gap: 2rem; padding-block: 3.5rem; }
.footer-brand p { max-width: 28rem; margin-bottom: .4rem; }
.footer-grid h2 { color: white; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-grid > div:not(.footer-brand) { display: grid; align-content: start; gap: .6rem; }
.footer-grid > div:not(.footer-brand) a { width: fit-content; color: #c9d6e6; text-decoration: none; transition: color 180ms ease, transform 180ms ease; }
.footer-grid > div:not(.footer-brand) a:hover { color: white; transform: translateX(3px); }
.pending-label { color: #71829a; font-size: .75rem; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; padding-block: 1.25rem; border-top: 1px solid var(--line); font-size: .8rem; }
.footer-bottom p { margin: 0; }

@keyframes launch-highlight {
  0%, 100% { box-shadow: 0 0 0 1px rgb(52 127 240 / 8%), 0 0 1rem rgb(52 127 240 / 18%), inset 0 1px rgb(255 255 255 / 12%); }
  50% { box-shadow: 0 0 0 1px rgb(119 173 255 / 14%), 0 0 1.5rem rgb(52 127 240 / 34%), inset 0 1px rgb(255 255 255 / 16%); }
}

.back-to-top { position: fixed; z-index: 15; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem); display: grid; width: 3rem; height: 3rem; place-items: center; border: 1px solid rgb(119 173 255 / 42%); border-radius: .9rem; background: linear-gradient(145deg, rgb(13 33 59 / 94%), rgb(4 16 31 / 96%)); box-shadow: 0 1rem 2.5rem rgb(0 0 0 / 28%), inset 0 1px rgb(255 255 255 / 10%); color: white; font-size: 1.25rem; line-height: 1; opacity: 0; pointer-events: none; text-decoration: none; transform: translateY(.75rem) scale(.92); transition: opacity 180ms ease, transform 180ms ease, border-color 180ms ease, background 180ms ease; backdrop-filter: blur(12px); }
.back-to-top[data-visible] { opacity: 1; pointer-events: auto; transform: none; }
.back-to-top:hover { border-color: rgb(119 173 255 / 75%); background: linear-gradient(145deg, #173d6b, #071a31); transform: translateY(-3px); }

@media (min-width: 36rem) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .profile-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-list { grid-template-columns: repeat(2, 1fr); }
  .benefit-list p:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 1rem; }
  .benefit-list p:nth-child(even) { padding-left: 1rem; }
}

@media (min-width: 52rem) {
  .menu-toggle { display: none; }
  nav, nav[data-open] { position: static; display: flex; align-items: center; padding: 0; border: 0; background: transparent; box-shadow: none; }
  nav a { padding: .55rem .65rem; font-size: .88rem; }
  .hero-grid { grid-template-columns: .92fr 1.08fr; gap: clamp(2rem, 5vw, 5rem); }
  .hero-copy { max-width: 42rem; }
  .hero { padding-block: clamp(3.5rem, 6vw, 5rem); }
  .hero-media { margin-right: 0; }
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
  .feature-grid { grid-template-columns: repeat(4, 1fr); }
  .workflow-list { grid-template-columns: repeat(5, 1fr); }
  .workflow-list li { display: block; }
  .workflow-list li > span { display: block; margin-bottom: 1rem; }
  .story { grid-template-columns: .85fr 1.15fr; gap: clamp(3rem, 7vw, 6.5rem); }
  .story-reverse { grid-template-columns: 1.15fr .85fr; }
  .story-reverse .story-copy { order: 2; }
  .story-reverse .product-visual { order: 1; }
  .profile-grid { grid-template-columns: repeat(3, 1fr); }
  .faq-layout { grid-template-columns: .8fr 1.2fr; }
  .cta-inner { grid-template-columns: 1.2fr .8fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
