:root {
  --ink: #07111f;
  --ink-soft: #0c192a;
  --paper: #f4f7f8;
  --white: #ffffff;
  --text: #182334;
  --muted: #687384;
  --line: rgba(7, 17, 31, 0.12);
  --line-dark: rgba(255, 255, 255, 0.13);
  --cyan: #55e6ff;
  --blue: #5487ff;
  --violet: #9472ff;
  --max: 1180px;
  --radius: 24px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 16px; background: var(--cyan); color: var(--ink); border-radius: 8px; font-weight: 700; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
}
.site-header.scrolled { background: rgba(7, 17, 31, .82); border-color: var(--line-dark); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .13em; }
.brand-mark { display: grid; place-items: center; width: 32px; aspect-ratio: 1; color: var(--ink); background: var(--cyan); border-radius: 8px 2px 8px 2px; font-size: .9rem; letter-spacing: 0; }
.brand-name { font-size: 1rem; }
.brand-tag { padding: 2px 6px; color: var(--cyan); border: 1px solid rgba(85, 230, 255, .4); border-radius: 999px; font-size: .58rem; letter-spacing: .12em; }
.site-nav { display: flex; align-items: center; gap: 30px; font-size: .88rem; font-weight: 600; }
.site-nav > a { color: rgba(255,255,255,.73); transition: color .2s ease; }
.site-nav > a:hover, .site-nav > a:focus-visible { color: var(--white); }
.site-nav .nav-cta { padding: 10px 17px; color: var(--white); border: 1px solid var(--line-dark); border-radius: 999px; }
.site-nav .nav-cta:hover { border-color: var(--cyan); color: var(--cyan); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line-dark); border-radius: 12px; background: transparent; }
.menu-toggle span { display: block; width: 18px; height: 1px; margin: 5px auto; background: white; transition: transform .2s ease; }

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  padding: 160px 0 32px;
  color: var(--white);
  background: var(--ink);
}
.hero::before { content: ""; position: absolute; inset: 0; opacity: .28; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, black, transparent 88%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; }
.hero-glow-one { width: 380px; height: 380px; right: 4%; top: 10%; background: rgba(84,135,255,.2); }
.hero-glow-two { width: 300px; height: 300px; left: 20%; bottom: -15%; background: rgba(85,230,255,.12); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 70px; }
.eyebrow, .section-number { margin: 0 0 24px; font-size: .74rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--cyan); }
.eyebrow span { width: 28px; height: 1px; background: currentColor; }
.hero h1 { max-width: 720px; margin: 0; font-size: clamp(3.2rem, 6.2vw, 6.5rem); line-height: .93; letter-spacing: -.065em; font-weight: 730; }
.hero h1 em { display: block; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.5); font-style: normal; }
.hero-lead { max-width: 620px; margin: 32px 0 0; color: rgba(255,255,255,.68); font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 26px; min-height: 52px; padding: 0 22px; border-radius: 999px; font-size: .9rem; font-weight: 750; transition: transform .2s var(--ease), background .2s ease, color .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--cyan); }
.button-primary:hover { background: #9af1ff; }
.button-quiet { color: rgba(255,255,255,.78); border: 1px solid var(--line-dark); }
.button-quiet:hover { color: white; border-color: rgba(255,255,255,.4); }
.hero-modes { display: flex; gap: 20px; margin-top: 38px; color: rgba(255,255,255,.42); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.hero-modes span + span::before { content: "/"; margin-right: 20px; color: rgba(255,255,255,.18); }

.hero-system { position: relative; min-height: 490px; padding: 22px; border: 1px solid var(--line-dark); border-radius: 28px; background: linear-gradient(150deg, rgba(255,255,255,.065), rgba(255,255,255,.018)); box-shadow: 0 30px 100px rgba(0,0,0,.24); backdrop-filter: blur(14px); }
.system-topline { display: flex; align-items: center; justify-content: space-between; color: rgba(255,255,255,.48); font-size: .7rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.system-status { display: flex; align-items: center; gap: 7px; }
.system-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px var(--cyan); }
.system-core { position: relative; display: grid; place-items: center; height: 320px; }
.core-orbit { position: absolute; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; }
.orbit-one { width: 250px; height: 250px; animation: orbit 18s linear infinite; }
.orbit-one::before { content: ""; position: absolute; top: 25px; left: 20px; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
.orbit-two { width: 185px; height: 185px; border-style: dashed; animation: orbit 24s linear infinite reverse; }
.orbit-two::before { content: ""; position: absolute; right: -4px; top: 50%; width: 7px; height: 7px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 18px var(--violet); }
.core-label { z-index: 2; display: grid; place-items: center; width: 120px; aspect-ratio: 1; border-radius: 50%; color: var(--ink); background: linear-gradient(135deg, var(--cyan), #b0f5ff); box-shadow: 0 0 55px rgba(85,230,255,.22); }
.core-label strong { margin-top: 19px; font-size: 2.1rem; line-height: 1; letter-spacing: -.08em; }
.core-label span { align-self: start; text-align: center; font-size: .58rem; font-weight: 800; letter-spacing: .08em; line-height: 1.3; text-transform: uppercase; }
.system-modules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.system-modules div { padding: 12px 8px; border-top: 1px solid var(--line-dark); }
.system-modules span { display: block; margin-bottom: 5px; color: rgba(255,255,255,.3); font-size: .6rem; }
.system-modules strong { font-size: .68rem; letter-spacing: .04em; }
.hero-footer { position: relative; display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 78px; color: rgba(255,255,255,.26); font-size: .62rem; font-weight: 800; letter-spacing: .24em; }
.hero-footer i { width: 4px; height: 4px; border-radius: 50%; background: var(--cyan); }
@keyframes orbit { to { transform: rotate(360deg); } }

.section { padding: 120px 0; }
.section-number { color: #4c5b6d; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, .6fr); gap: 80px; align-items: end; margin-bottom: 62px; }
.section-heading h2, .method h2, .about h2, .contact h2 { margin: 0; font-size: clamp(2.25rem, 4vw, 4.2rem); line-height: 1.04; letter-spacing: -.052em; }
.section-heading > p { margin: 0 0 6px; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.service-card { position: relative; min-height: 310px; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.76); transition: transform .3s var(--ease), border-color .3s ease, box-shadow .3s ease; }
.service-card:hover { transform: translateY(-5px); border-color: rgba(84,135,255,.35); box-shadow: 0 20px 60px rgba(17,36,66,.08); }
.service-featured { grid-column: span 2; color: white; background: var(--ink-soft); border-color: transparent; }
.service-featured::after { content: ""; position: absolute; width: 280px; height: 280px; right: -110px; bottom: -150px; border-radius: 50%; border: 1px solid rgba(85,230,255,.25); box-shadow: 0 0 90px rgba(84,135,255,.2); }
.service-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 13px; color: #315fe3; background: #e8efff; font-size: 1.15rem; }
.service-featured .service-icon { color: var(--ink); background: var(--cyan); }
.service-index { position: absolute; top: 28px; right: 28px; color: #97a0ae; font-size: .68rem; font-weight: 800; letter-spacing: .12em; }
.service-card h3 { max-width: 410px; margin: 70px 0 12px; font-size: 1.38rem; line-height: 1.2; letter-spacing: -.025em; }
.service-card p { max-width: 590px; margin: 0; color: var(--muted); font-size: .94rem; }
.service-featured p { color: rgba(255,255,255,.62); }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.service-tags span { padding: 7px 11px; border: 1px solid var(--line-dark); border-radius: 999px; color: rgba(255,255,255,.58); font-size: .68rem; font-weight: 700; }

.method { color: white; background: var(--ink); }
.method .section-number { color: var(--cyan); }
.method-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.method-intro { position: sticky; top: 128px; align-self: start; }
.method-intro > p:last-child { max-width: 430px; margin: 26px 0 0; color: rgba(255,255,255,.55); }
.method-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.method-steps li { display: grid; grid-template-columns: 62px 1fr; gap: 24px; padding: 36px 0; border-bottom: 1px solid var(--line-dark); }
.method-steps li > span { color: var(--cyan); font-size: .72rem; font-weight: 800; letter-spacing: .1em; }
.method-steps h3 { margin: -5px 0 8px; font-size: 1.45rem; letter-spacing: -.02em; }
.method-steps p { margin: 0; color: rgba(255,255,255,.52); }

.about { overflow: hidden; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.about-visual { position: relative; display: grid; place-items: center; min-height: 500px; border: 1px solid var(--line); border-radius: 32px; background: white; }
.about-word { font-size: clamp(3.2rem, 6vw, 5.7rem); font-weight: 850; letter-spacing: -.07em; color: var(--ink); transform: rotate(-90deg); }
.about-axis { position: absolute; background: var(--line); }
.axis-x { width: 100%; height: 1px; }
.axis-y { width: 1px; height: 100%; }
.about-axis::after { content: ""; position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 6px rgba(85,230,255,.16); }
.axis-x::after { right: 17%; top: -4px; }
.axis-y::after { bottom: 23%; left: -4px; background: var(--violet); box-shadow: 0 0 0 6px rgba(148,114,255,.14); }
.axis-label { position: absolute; color: #8d98a8; font-size: .6rem; font-weight: 850; letter-spacing: .16em; }
.axis-label-one { left: 22px; top: 22px; }
.axis-label-two { right: 22px; top: 22px; }
.axis-label-three { right: 22px; bottom: 22px; }
.about-copy > p:not(.section-number) { max-width: 610px; margin: 26px 0 0; color: var(--muted); }
.about-pillars { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 35px; }
.about-pillars span { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: .74rem; font-weight: 750; }

.contact { padding-top: 40px; }
.contact-panel { display: grid; grid-template-columns: 1.25fr .75fr; gap: 60px; align-items: end; padding: 62px; border-radius: 32px; color: white; background: linear-gradient(135deg, #1f55df 0%, #663ee9 100%); box-shadow: 0 25px 80px rgba(62,75,211,.22); }
.contact-panel .section-number { color: rgba(255,255,255,.65); }
.contact-action { justify-self: end; }
.contact-action p { margin: 0 0 14px; color: rgba(255,255,255,.66); font-size: .88rem; }
.button-light { min-width: 260px; color: var(--ink); background: white; }
.button-light:hover { background: var(--cyan); }

.site-footer { padding: 50px 0; }
.footer-grid { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; }
.footer-brand { display: flex; flex-direction: column; }
.footer-brand strong { font-size: 1.35rem; letter-spacing: .12em; }
.footer-brand span { color: var(--muted); font-size: .82rem; }
.footer-meta { display: flex; gap: 26px; color: var(--muted); font-size: .72rem; font-weight: 650; text-transform: uppercase; letter-spacing: .08em; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .hero { min-height: auto; }
  .hero-grid, .about-grid { grid-template-columns: 1fr; }
  .hero-system { width: min(100%, 620px); }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .method-grid { grid-template-columns: 1fr; gap: 55px; }
  .method-intro { position: static; }
  .about-grid { gap: 60px; }
  .about-visual { min-height: 420px; }
  .contact-panel { grid-template-columns: 1fr; align-items: start; }
  .contact-action { justify-self: start; }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav-wrap { min-height: 68px; }
  .menu-toggle { display: block; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .site-nav { position: absolute; top: 68px; left: 14px; right: 14px; display: grid; gap: 0; padding: 10px; border: 1px solid var(--line-dark); border-radius: 18px; background: rgba(7,17,31,.97); box-shadow: 0 24px 60px rgba(0,0,0,.3); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease; }
  .site-nav.open { opacity: 1; visibility: visible; transform: none; }
  .site-nav > a { padding: 13px 14px; }
  .site-nav .nav-cta { margin-top: 4px; text-align: center; }
  .hero { padding-top: 126px; }
  .hero-grid { gap: 54px; }
  .hero h1 { font-size: clamp(3.1rem, 15vw, 4.8rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-system { min-height: 430px; padding: 17px; }
  .system-core { height: 280px; }
  .system-modules { grid-template-columns: 1fr 1fr; }
  .hero-footer { margin-top: 52px; }
  .section { padding: 84px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .service-featured { grid-column: auto; }
  .service-card { min-height: 285px; }
  .contact { padding-top: 20px; }
  .contact-panel { padding: 38px 24px; border-radius: 24px; }
  .button-light { min-width: 0; }
  .footer-grid, .footer-meta { align-items: flex-start; flex-direction: column; }
  .footer-meta { gap: 8px; }
}

@media (max-width: 420px) {
  .brand-tag { display: none; }
  .hero-modes { gap: 10px; }
  .hero-modes span + span::before { margin-right: 10px; }
  .orbit-one { width: 220px; height: 220px; }
  .orbit-two { width: 160px; height: 160px; }
  .about-visual { min-height: 360px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}