:root {
  --ink: #19152a;
  --muted: #686276;
  --purple-950: #100b22;
  --purple-900: #18102f;
  --purple-800: #27164a;
  --purple-700: #42206c;
  --violet: #8154d8;
  --pearl: #f8f6f0;
  --paper: #efecf2;
  --white: #fffdf9;
  --amber: #f4a629;
  --amber-soft: #ffd36b;
  --line: rgba(25, 21, 42, .14);
  --mono: "SFMono-Regular", "Cascadia Code", "Liberation Mono", "PingFang SC", "Microsoft YaHei", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --max: 1200px;
  --radius: 24px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 0 18%, rgba(122, 82, 182, .09), transparent 25%),
    linear-gradient(180deg, #faf8f4 0%, #f3f0f3 55%, #faf8f4 100%);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

::selection { color: var(--purple-950); background: var(--amber-soft); }

a { color: inherit; }
button, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--purple-900);
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform .2s ease;
}

.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  padding: 18px clamp(18px, 4vw, 56px);
  transition: padding .3s ease, background .3s ease, box-shadow .3s ease;
}

.site-header.scrolled {
  padding-top: 10px;
  padding-bottom: 10px;
  background: rgba(248, 246, 240, .85);
  box-shadow: 0 1px 0 rgba(28, 17, 49, .08);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(100%, var(--max));
  min-height: 48px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font: 700 14px/1 var(--mono); letter-spacing: -.03em; }
.brand-mark { position: relative; display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--ink); border-radius: 50%; }
.brand-mark::before { content: ""; position: absolute; width: 22px; height: 8px; border: 1px solid var(--ink); border-radius: 50%; transform: rotate(-35deg); }
.brand-mark i { width: 6px; height: 6px; background: var(--amber); border-radius: 50%; box-shadow: 7px -5px 0 -2px var(--violet); }

.primary-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 42px); font: 600 13px/1 var(--mono); }
.primary-nav a { position: relative; text-decoration: none; }
.primary-nav > a:not(.nav-cta)::after { content: ""; position: absolute; inset: auto 0 -8px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .3s var(--ease); }
.primary-nav > a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 13px 18px; color: var(--white); background: var(--purple-900); border-radius: 99px; transition: transform .25s var(--ease), background .25s ease; }
.nav-cta:hover { background: var(--purple-700); transform: translateY(-2px); }
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: 820px;
  padding: 150px max(5vw, calc((100vw - var(--max)) / 2)) 86px;
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(420px, .84fr);
  align-items: center;
  gap: clamp(48px, 7vw, 110px);
  isolation: isolate;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background-image: linear-gradient(rgba(35, 22, 60, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(35, 22, 60, .035) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 90%);
  mask-image: linear-gradient(to bottom, #000, transparent 90%);
}

.hero-glow { position: absolute; z-index: -1; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.glow-one { width: 540px; height: 540px; top: -240px; right: -120px; background: radial-gradient(circle, rgba(131, 85, 211, .2), rgba(131, 85, 211, 0) 69%); }
.glow-two { width: 420px; height: 420px; left: 20%; bottom: -290px; background: radial-gradient(circle, rgba(244, 166, 41, .14), transparent 68%); }

.kicker { display: flex; align-items: center; gap: 18px; margin: 0 0 25px; color: var(--purple-700); font: 700 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.kicker span:first-child { display: flex; align-items: center; gap: 10px; }
.kicker span:first-child::before { content: ""; width: 26px; height: 2px; background: var(--amber); }
.kicker span:last-child { padding-left: 18px; border-left: 1px solid var(--line); color: var(--muted); }

.hero h1 { margin: 0; font-family: var(--sans); font-size: clamp(55px, 7vw, 100px); font-weight: 800; line-height: .98; letter-spacing: -.075em; }
.hero h1 em { color: transparent; font-style: normal; -webkit-text-stroke: 1.5px var(--purple-700); text-stroke: 1.5px var(--purple-700); }
.hero-lead { max-width: 620px; margin: 32px 0 0; color: var(--muted); font-size: clamp(16px, 1.5vw, 19px); line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 38px; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 52px; padding: 0 24px; border: 0; border-radius: 4px; text-decoration: none; font: 700 13px/1 var(--mono); cursor: pointer; transition: transform .25s var(--ease), background .25s ease, color .25s ease, box-shadow .25s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { color: var(--white); background: var(--purple-900); box-shadow: 0 12px 28px rgba(30, 17, 56, .15); }
.button-primary:hover { background: var(--purple-700); box-shadow: 0 16px 34px rgba(30, 17, 56, .22); }
.text-link { display: inline-flex; align-items: center; gap: 12px; font: 700 13px/1 var(--mono); text-underline-offset: 6px; }
.text-link:hover span { transform: translateY(3px); }
.text-link span { transition: transform .25s ease; }

.signal-list { max-width: 580px; margin: 64px 0 0; padding: 20px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; border-top: 1px solid var(--line); list-style: none; font: 700 12px/1 var(--mono); }
.signal-list li { display: flex; flex-direction: column; gap: 8px; }
.signal-list li span { color: var(--muted); font-size: 9px; }

.hero-visual { position: relative; min-height: 600px; display: grid; place-items: center; }
.poster { position: absolute; width: min(86%, 430px); aspect-ratio: .72; border-radius: 5px; }
.poster-shadow { background: var(--amber); transform: translate(32px, 24px) rotate(4deg); box-shadow: 0 30px 80px rgba(28, 14, 52, .18); }
.poster-main { position: relative; overflow: hidden; padding: 24px; color: var(--white); background: linear-gradient(145deg, #39205f 0%, #190f30 42%, #0b0818 100%); transform: rotate(-2deg); box-shadow: 0 40px 100px rgba(28, 14, 52, .28); }
.poster-main::before { content: ""; position: absolute; inset: 0; opacity: .32; background: repeating-radial-gradient(circle at 70% 26%, transparent 0 3px, rgba(255,255,255,.08) 4px 5px); -webkit-mask-image: linear-gradient(135deg, #000, transparent 55%); mask-image: linear-gradient(135deg, #000, transparent 55%); }
.poster-main::after { content: ""; position: absolute; width: 240px; height: 240px; right: -100px; bottom: -90px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; box-shadow: 0 0 0 32px rgba(255,255,255,.03), 0 0 0 64px rgba(255,255,255,.025); }
.poster-topline { position: relative; z-index: 2; display: flex; justify-content: space-between; font: 500 8px/1 var(--mono); letter-spacing: .08em; opacity: .7; }
.planet-stage { position: relative; z-index: 1; height: 60%; margin-top: 8%; display: grid; place-items: center; }
.planet { width: 57%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 31% 27%, #ffe5a7 0, #f3ad34 13%, #9c4c37 32%, #2b1744 58%, #110b21 70%); box-shadow: inset -18px -8px 30px rgba(0,0,0,.45), 0 0 50px rgba(244,166,41,.24); }
.planet::after { content: ""; position: absolute; left: 16%; right: 16%; top: 49%; height: 10%; border-top: 2px solid rgba(255,220,147,.5); border-radius: 50%; transform: rotate(-18deg); }
.orbit { position: absolute; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; }
.orbit-a { width: 90%; height: 42%; transform: rotate(-16deg); }
.orbit-b { width: 66%; height: 96%; transform: rotate(31deg); }
.orbit-dot { position: absolute; width: 8px; height: 8px; background: var(--amber-soft); border-radius: 50%; box-shadow: 0 0 18px var(--amber); }
.dot-a { top: 35%; right: 10%; }
.dot-b { left: 26%; bottom: 15%; width: 5px; height: 5px; }
.poster-caption { position: absolute; z-index: 2; inset: auto 24px 30px; }
.poster-caption span { color: rgba(255,255,255,.58); font: 500 9px/1 var(--mono); }
.poster-caption strong { display: block; margin-top: 10px; font-size: clamp(21px, 2.3vw, 31px); line-height: 1.15; letter-spacing: -.04em; }
.float-card { position: absolute; z-index: 4; padding: 16px 18px; background: rgba(255, 253, 249, .93); border: 1px solid rgba(32,21,52,.1); box-shadow: 0 18px 45px rgba(31,18,53,.16); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.float-card-a { left: -1%; top: 21%; width: 150px; }
.float-card-a p { margin: 8px 0 2px; color: var(--muted); font: 600 9px/1 var(--mono); }
.float-card-a strong { font-size: 15px; }
.status-dot { display: block; width: 7px; height: 7px; background: #5ab17d; border-radius: 50%; box-shadow: 0 0 0 4px rgba(90,177,125,.14); }
.float-card-b { right: -2%; bottom: 21%; width: 178px; }
.float-card-b > span { font: 700 9px/1 var(--mono); }
.mini-chart { height: 44px; margin-top: 10px; display: flex; align-items: flex-end; gap: 5px; }
.mini-chart i { flex: 1; height: 25%; background: var(--purple-800); }
.mini-chart i:nth-child(2) { height: 44%; }
.mini-chart i:nth-child(3) { height: 38%; }
.mini-chart i:nth-child(4) { height: 70%; background: var(--amber); }
.mini-chart i:nth-child(5) { height: 92%; }

.section { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; padding: 118px 0; }
.section-heading { display: grid; grid-template-columns: minmax(150px, 1fr) 3fr; gap: 40px; margin-bottom: 55px; }
.section-index { margin: 8px 0 0; color: var(--purple-700); font: 700 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.section-index.light { color: var(--amber-soft); }
.section-heading h2, .principle-lead h2 { max-width: 740px; margin: 0; font-size: clamp(37px, 5vw, 64px); line-height: 1.08; letter-spacing: -.055em; }
.section-heading > div > p { max-width: 680px; margin: 22px 0 0; color: var(--muted); font-size: 17px; }

.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.service-card { position: relative; min-height: 420px; padding: 24px; display: flex; flex-direction: column; background: rgba(255,253,249,.66); border: 1px solid var(--line); transition: transform .35s var(--ease), background .35s ease, box-shadow .35s ease; overflow: hidden; }
.service-card::after { content: ""; position: absolute; width: 110px; height: 110px; right: -65px; bottom: -65px; border: 1px solid rgba(65,33,107,.12); border-radius: 50%; transition: transform .4s var(--ease); }
.service-card:hover { z-index: 2; transform: translateY(-10px); background: var(--white); box-shadow: 0 25px 55px rgba(37, 19, 62, .1); }
.service-card:hover::after { transform: scale(1.5); }
.card-accent { color: var(--white); background: var(--purple-900); border-color: var(--purple-900); }
.card-accent:hover { background: var(--purple-800); }
.card-accent::after { border-color: rgba(255,255,255,.16); }
.card-code { color: var(--muted); font: 700 9px/1 var(--mono); letter-spacing: .08em; }
.card-accent .card-code, .card-accent p { color: rgba(255,255,255,.62); }
.service-icon { width: 70px; height: 70px; margin: 44px 0 35px; position: relative; display: grid; place-items: center; }
.service-icon span { position: absolute; width: 45px; height: 17px; border: 1px solid var(--purple-700); border-radius: 50%; }
.service-icon span:nth-child(2) { transform: rotate(60deg); }
.service-icon span:nth-child(3) { transform: rotate(-60deg); }
.icon-grid { grid-template-columns: repeat(2, 19px); grid-template-rows: repeat(2, 19px); gap: 4px; }
.icon-grid span { position: static; width: 19px; height: 19px; border-radius: 1px; }
.icon-grid span:nth-child(2), .icon-grid span:nth-child(3) { transform: none; background: rgba(64,31,105,.1); }
.icon-stack span { width: 42px; height: 42px; border-radius: 2px; }
.icon-stack span:nth-child(2) { transform: translate(7px, 7px); }
.icon-stack span:nth-child(3) { transform: translate(14px, 14px); }
.icon-spark span { width: 30px; height: 30px; border: 0; border-radius: 0; background: var(--amber); transform: rotate(45deg); box-shadow: 0 0 28px rgba(244,166,41,.5); }
.icon-spark span::before, .icon-spark span::after { content: ""; position: absolute; background: var(--amber); }
.icon-spark span::before { width: 2px; height: 58px; left: 14px; top: -14px; }
.icon-spark span::after { width: 58px; height: 2px; left: -14px; top: 14px; }
.service-card h3 { margin: 0; font-size: 23px; letter-spacing: -.04em; }
.service-card p { margin: 12px 0 20px; color: var(--muted); font-size: 14px; }
.service-card ul { margin: auto 0 0; padding: 16px 0 0; display: flex; flex-wrap: wrap; gap: 6px; border-top: 1px solid currentColor; border-color: var(--line); list-style: none; }
.card-accent ul { border-color: rgba(255,255,255,.14); }
.service-card li { padding: 5px 8px; border: 1px solid var(--line); border-radius: 99px; font: 600 9px/1 var(--mono); }
.card-accent li { border-color: rgba(255,255,255,.22); }

.process-section { padding: 36px max(20px, calc((100vw - 1320px) / 2)) 90px; }
.process-poster { position: relative; max-width: 1320px; margin-inline: auto; padding: clamp(44px, 7vw, 90px); display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(55px, 9vw, 130px); color: var(--white); background:
    radial-gradient(circle at 16% 20%, rgba(137,86,215,.48), transparent 30%),
    radial-gradient(circle at 85% 110%, rgba(244,166,41,.18), transparent 35%),
    linear-gradient(135deg, var(--purple-800), var(--purple-950) 62%);
  overflow: hidden;
  box-shadow: 0 36px 90px rgba(26,13,48,.2);
}
.process-poster::before { content: ""; position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px); background-size: 60px 60px; -webkit-mask-image: linear-gradient(90deg, #000, transparent); mask-image: linear-gradient(90deg, #000, transparent); }
.process-intro, .process-list { position: relative; z-index: 1; }
.process-intro h2 { margin: 25px 0; font-size: clamp(40px, 5vw, 66px); line-height: 1.06; letter-spacing: -.06em; }
.process-intro > p:not(.section-index) { max-width: 460px; color: rgba(255,255,255,.65); }
.route-mark { position: relative; width: 150px; height: 150px; margin-top: 50px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; }
.route-mark::before, .route-mark::after { content: ""; position: absolute; inset: 19%; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; }
.route-mark::after { inset: 40%; background: var(--amber); border: 0; box-shadow: 0 0 30px rgba(244,166,41,.55); }
.route-mark span { position: absolute; width: 180px; height: 50px; left: -15px; top: 48px; border-top: 1px solid rgba(255,255,255,.45); border-radius: 50%; transform: rotate(-22deg); }
.process-list { margin: 0; padding: 0; list-style: none; }
.process-list li { padding: 27px 0; display: grid; grid-template-columns: 50px 1fr auto; align-items: start; gap: 22px; border-bottom: 1px solid rgba(255,255,255,.14); }
.process-list li:first-child { border-top: 1px solid rgba(255,255,255,.14); }
.step-number, .step-time { color: var(--amber-soft); font: 700 10px/1.5 var(--mono); }
.step-time { padding: 6px 10px; color: rgba(255,255,255,.66); border: 1px solid rgba(255,255,255,.18); border-radius: 99px; }
.process-list h3 { margin: 0; font-size: 19px; }
.process-list p { margin: 7px 0 0; color: rgba(255,255,255,.56); font-size: 13px; }

.solutions { padding-top: 140px; }
.solution-list { display: grid; gap: 22px; }
.solution-card { min-height: 430px; display: grid; grid-template-columns: 1.3fr .7fr; overflow: hidden; background: var(--white); border: 1px solid var(--line); }
.solution-card:nth-child(even) { grid-template-columns: .7fr 1.3fr; }
.solution-card:nth-child(even) .solution-art { order: 2; }
.solution-art { position: relative; min-height: 430px; display: grid; place-items: center; overflow: hidden; }
.solution-copy { padding: clamp(34px, 5vw, 66px); display: flex; flex-direction: column; justify-content: center; }
.solution-meta { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line); color: var(--muted); font: 700 9px/1 var(--mono); }
.solution-copy h3 { margin: 32px 0 13px; font-size: clamp(28px, 3vw, 42px); line-height: 1.08; letter-spacing: -.05em; }
.solution-copy p { margin: 0; color: var(--muted); font-size: 15px; }
.solution-copy ul { margin: 35px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 7px; list-style: none; }
.solution-copy li { padding: 7px 11px; background: var(--paper); font: 700 9px/1 var(--mono); }

.solution-one .solution-art { background: linear-gradient(145deg, #ece6f4, #d6c4e9); }
.dashboard-frame { width: 70%; max-width: 520px; aspect-ratio: 1.35; padding: 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; background: rgba(255,255,255,.75); border: 1px solid rgba(49,25,78,.18); box-shadow: 30px 30px 0 rgba(66,32,108,.12), 0 24px 60px rgba(56,26,92,.2); transform: perspective(1000px) rotateY(8deg) rotateX(4deg) rotate(-2deg); }
.dashboard-frame > span { height: 52px; background: linear-gradient(130deg, var(--purple-800), var(--purple-700)); }
.dashboard-frame > span:nth-child(2) { background: linear-gradient(130deg, var(--amber), var(--amber-soft)); }
.dashboard-frame > span:nth-child(3) { background: linear-gradient(130deg, #6f5d87, #ad93ce); }
.dashboard-chart { grid-column: 1 / -1; min-height: 140px; padding: 22px; display: flex; align-items: end; gap: 8%; background: rgba(39,22,74,.06); border-left: 1px solid rgba(39,22,74,.15); border-bottom: 1px solid rgba(39,22,74,.15); }
.dashboard-chart i { flex: 1; height: 33%; background: var(--purple-700); }
.dashboard-chart i:nth-child(2) { height: 54%; }.dashboard-chart i:nth-child(3) { height: 46%; }.dashboard-chart i:nth-child(4) { height: 80%; background: var(--amber); }.dashboard-chart i:nth-child(5) { height: 65%; }.dashboard-chart i:nth-child(6) { height: 92%; }

.solution-two .solution-art { background: radial-gradient(circle at 45% 45%, #694499, #2e1850 48%, #120b25 100%); }
.solution-two .solution-art::before { content: ""; position: absolute; width: 75%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; box-shadow: 0 0 0 42px rgba(255,255,255,.025), 0 0 0 84px rgba(255,255,255,.018); }
.knowledge-orb { position: relative; width: 190px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: radial-gradient(circle at 35% 28%, #ffe5a5, #f1a32b 16%, #7c3f54 40%, #211438 68%); box-shadow: 0 0 80px rgba(244,166,41,.25); }
.knowledge-orb::before, .knowledge-orb::after, .knowledge-orb span { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.38); border-radius: 50%; }
.knowledge-orb::before { width: 132%; height: 44%; transform: rotate(-20deg); }
.knowledge-orb::after { width: 70%; height: 136%; transform: rotate(38deg); }
.knowledge-orb span { width: 128%; height: 52%; transform: rotate(45deg); }
.message-chip { position: absolute; padding: 11px 15px; color: var(--white); background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); border-radius: 99px; font: 600 9px/1 var(--mono); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.chip-one { top: 23%; right: 14%; }.chip-two { left: 12%; bottom: 22%; }

.solution-three .solution-art { background: linear-gradient(145deg, #f6c35f, #e48a24); }
.solution-three .solution-art::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(48,24,48,.18) 1px, transparent 1px); background-size: 18px 18px; }
.flow-line { position: absolute; height: 1px; background: rgba(39,22,74,.45); transform-origin: left; }
.flow-line i { position: absolute; right: 0; top: -4px; width: 9px; height: 9px; background: var(--purple-800); border-radius: 50%; }
.line-one { width: 46%; left: 7%; top: 28%; transform: rotate(15deg); }.line-two { width: 39%; right: 8%; bottom: 26%; transform: rotate(-19deg); }.line-three { width: 65%; left: 14%; top: 61%; transform: rotate(-4deg); }
.flow-core { position: relative; z-index: 2; width: 150px; aspect-ratio: 1; display: grid; place-items: center; color: var(--amber-soft); background: var(--purple-900); border-radius: 50%; font: 300 52px/1 var(--mono); box-shadow: 0 0 0 18px rgba(39,22,74,.12), 0 0 0 36px rgba(39,22,74,.07); }

.principles { padding-top: 90px; }
.principle-lead { display: grid; grid-template-columns: 1fr 3fr; gap: 40px; margin-bottom: 54px; }
.principle-grid { display: grid; grid-template-columns: 1.45fr .8fr .8fr; gap: 12px; }
.principle-card { min-height: 350px; padding: 30px; display: flex; flex-direction: column; justify-content: space-between; background: var(--white); border: 1px solid var(--line); overflow: hidden; }
.principle-card.wide { position: relative; display: grid; grid-template-columns: 42px 1fr 190px; align-items: end; gap: 20px; }
.principle-card.dark { color: var(--white); background: var(--purple-900); border-color: var(--purple-900); }
.principle-card.amber { background: var(--amber); border-color: var(--amber); }
.principle-num { align-self: start; color: var(--muted); font: 700 10px/1 var(--mono); }
.dark .principle-num { color: rgba(255,255,255,.5); }
.principle-card h3 { margin: 0 0 12px; font-size: 25px; letter-spacing: -.04em; }
.principle-card p { margin: 0; color: var(--muted); font-size: 14px; }
.dark p { color: rgba(255,255,255,.62); }
.amber p { color: rgba(25,21,42,.7); }
.target-graphic { position: relative; width: 170px; aspect-ratio: 1; display: grid; place-items: center; }
.target-graphic i { position: absolute; border: 1px solid var(--purple-700); border-radius: 50%; }
.target-graphic i:nth-child(1) { inset: 0; }.target-graphic i:nth-child(2) { inset: 24%; }.target-graphic i:nth-child(3) { inset: 43%; background: var(--amber); border: 0; }
.target-graphic::after { content: ""; position: absolute; width: 120%; height: 1px; background: var(--purple-700); transform: rotate(-28deg); }

.contact-section { position: relative; margin: 90px 0 0; min-height: 640px; display: grid; place-items: center; text-align: center; color: var(--white); background:
  radial-gradient(circle at 50% 120%, rgba(244,166,41,.22), transparent 32%),
  radial-gradient(circle at 17% 10%, rgba(125,80,195,.55), transparent 30%),
  linear-gradient(145deg, var(--purple-800), var(--purple-950) 66%);
  overflow: hidden;
}
.contact-section::before, .contact-section::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; }
.contact-section::before { width: 660px; height: 660px; left: -310px; bottom: -430px; box-shadow: 0 0 0 65px rgba(255,255,255,.025); }
.contact-section::after { width: 420px; height: 420px; right: -230px; top: -160px; box-shadow: 0 0 0 55px rgba(255,255,255,.025), 0 0 0 110px rgba(255,255,255,.018); }
.contact-noise { position: absolute; inset: 0; opacity: .25; background-image: radial-gradient(rgba(255,255,255,.25) .7px, transparent .7px); background-size: 7px 7px; -webkit-mask-image: linear-gradient(90deg, #000, transparent 25%, transparent 75%, #000); mask-image: linear-gradient(90deg, #000, transparent 25%, transparent 75%, #000); }
.contact-inner { position: relative; z-index: 2; width: min(820px, calc(100% - 40px)); padding: 90px 0; }
.contact-inner .section-index { margin-bottom: 28px; }
.contact-inner h2 { margin: 0; font-size: clamp(45px, 7vw, 86px); line-height: 1.02; letter-spacing: -.07em; }
.contact-inner > p:not(.section-index) { max-width: 610px; margin: 28px auto 38px; color: rgba(255,255,255,.66); font-size: 17px; }
.button-light { color: var(--purple-950); background: var(--amber); box-shadow: 0 14px 35px rgba(0,0,0,.18); }
.button-light:hover { background: var(--amber-soft); }
.contact-tag { margin-top: 70px; color: rgba(255,255,255,.28); font: 700 9px/1 var(--mono); letter-spacing: .2em; }

.brief-dialog { width: min(680px, calc(100% - 30px)); max-height: calc(100vh - 30px); padding: 0; overflow-y: auto; color: var(--ink); background: var(--pearl); border: 0; border-radius: 8px; box-shadow: 0 28px 100px rgba(10,6,20,.4); }
.brief-dialog::backdrop { background: rgba(13,8,26,.72); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.brief-dialog[open] { animation: dialog-in .28s var(--ease) both; }
.dialog-shell { padding: clamp(24px, 5vw, 48px); }
.dialog-head { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.dialog-kicker { margin: 0 0 6px; color: var(--purple-700); font: 700 10px/1 var(--mono); }
.dialog-head h2 { margin: 0; font-size: clamp(27px, 4vw, 38px); line-height: 1.1; letter-spacing: -.05em; }
.dialog-close { width: 40px; height: 40px; flex: 0 0 auto; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 50%; font-size: 24px; cursor: pointer; }
.dialog-intro { margin: 18px 0 28px; color: var(--muted); font-size: 14px; }
.choice-group { margin: 0 0 24px; padding: 0; border: 0; }
.choice-group legend, .input-label { display: block; margin-bottom: 10px; font: 700 12px/1.4 var(--mono); }
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.choice-grid.three { grid-template-columns: repeat(3, 1fr); }
.choice-grid label { cursor: pointer; }
.choice-grid input { position: absolute; opacity: 0; pointer-events: none; }
.choice-grid span { min-height: 46px; padding: 10px 12px; display: grid; place-items: center; text-align: center; background: var(--white); border: 1px solid var(--line); font-size: 13px; transition: border-color .2s ease, background .2s ease, color .2s ease; }
.choice-grid input:checked + span { color: var(--white); background: var(--purple-800); border-color: var(--purple-800); }
.choice-grid input:focus-visible + span { outline: 3px solid var(--amber); outline-offset: 2px; }
textarea { width: 100%; padding: 13px; resize: vertical; color: var(--ink); background: var(--white); border: 1px solid var(--line); border-radius: 0; }
textarea:focus { border-color: var(--purple-700); outline: 2px solid rgba(66,32,108,.15); }
.brief-result { margin-top: 18px; padding: 18px; color: var(--white); background: var(--purple-900); }
.brief-result > span { color: var(--amber-soft); font: 700 9px/1 var(--mono); }
.brief-result p { margin: 8px 0 0; font-size: 14px; }
.dialog-actions { margin-top: 22px; display: flex; gap: 10px; }
.button-copy { color: var(--purple-900); background: transparent; border: 1px solid var(--purple-900); }
.privacy-note { margin: 15px 0 0; color: var(--muted); font-size: 11px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.service-grid .reveal:nth-child(2), .principle-grid .reveal:nth-child(2) { transition-delay: .08s; }
.service-grid .reveal:nth-child(3), .principle-grid .reveal:nth-child(3) { transition-delay: .16s; }
.service-grid .reveal:nth-child(4) { transition-delay: .24s; }

@keyframes dialog-in { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr 420px; gap: 35px; }
  .hero h1 { font-size: clamp(55px, 7.5vw, 78px); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card { min-height: 380px; }
  .principle-grid { grid-template-columns: 1.3fr 1fr; }
  .principle-card.amber { grid-column: 1 / -1; min-height: 260px; }
  .solution-card, .solution-card:nth-child(even) { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .site-header { padding: 13px 18px; }
  .brand { position: relative; z-index: 3; }
  .menu-toggle { position: relative; z-index: 3; width: 44px; height: 44px; padding: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 7px; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 50%; }
  .menu-toggle > span:not(.sr-only) { width: 17px; height: 1px; background: currentColor; transition: transform .25s ease; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }
  .primary-nav { position: fixed; inset: 0; padding: 110px 28px 40px; display: flex; flex-direction: column; align-items: stretch; gap: 0; visibility: hidden; pointer-events: none; color: var(--white); background: var(--purple-950); transform: translateY(-105%); transition: transform .38s var(--ease), visibility 0s linear .38s; }
  .primary-nav.is-open { visibility: visible; pointer-events: auto; transform: translateY(0); transition-delay: 0s; }
  .primary-nav > a { padding: 19px 0; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 20px; }
  .primary-nav .nav-cta { margin-top: 28px; padding: 18px 20px; text-align: center; background: var(--amber); color: var(--purple-950); border: 0; }
  .menu-open .brand { color: var(--white); }
  .menu-open .brand-mark, .menu-open .brand-mark::before { border-color: var(--white); }
  .menu-open .menu-toggle { color: var(--white); border-color: rgba(255,255,255,.25); }
  .hero { min-height: auto; padding: 130px 24px 70px; grid-template-columns: 1fr; }
  .hero-copy { position: relative; z-index: 3; }
  .hero-visual { min-height: 610px; margin-top: 8px; }
  .poster { width: min(78%, 410px); }
  .float-card-a { left: 7%; }.float-card-b { right: 4%; }
  .section { padding: 90px 0; }
  .section-heading, .principle-lead { grid-template-columns: 1fr; gap: 22px; }
  .process-poster { grid-template-columns: 1fr; }
  .route-mark { display: none; }
  .solution-card, .solution-card:nth-child(even) { grid-template-columns: 1fr; }
  .solution-card:nth-child(even) .solution-art { order: 0; }
  .solution-art { min-height: 360px; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-card.amber { grid-column: auto; }
  .principle-card { min-height: 270px; }
  .principle-card.wide { grid-template-columns: 42px 1fr 150px; }
  .target-graphic { width: 140px; }
}

@media (max-width: 560px) {
  .brand-name { max-width: 150px; overflow: hidden; white-space: nowrap; }
  .kicker { gap: 10px; font-size: 10px; }
  .kicker span:last-child { padding-left: 10px; }
  .hero h1 { font-size: clamp(48px, 16vw, 68px); }
  .hero-lead { font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .signal-list { margin-top: 48px; grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
  .hero-visual { min-height: 500px; }
  .poster { width: 78%; }
  .poster-main { padding: 18px; }
  .poster-caption { inset: auto 18px 24px; }
  .float-card-a { top: 16%; left: 0; width: 125px; padding: 12px; }
  .float-card-b { right: 0; bottom: 17%; width: 140px; padding: 12px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 360px; }
  .process-section { padding-inline: 0; padding-bottom: 60px; }
  .process-poster { padding: 60px 22px; }
  .process-list li { grid-template-columns: 38px 1fr; gap: 13px; }
  .step-time { display: none; }
  .solution-art { min-height: 300px; }
  .dashboard-frame { width: 82%; padding: 12px; }
  .dashboard-chart { min-height: 110px; padding: 14px; }
  .knowledge-orb { width: 140px; }
  .flow-core { width: 110px; font-size: 40px; }
  .solution-copy { padding: 34px 24px 40px; }
  .principle-card.wide { display: flex; }
  .target-graphic { width: 130px; align-self: flex-end; margin-top: 25px; }
  .contact-section { min-height: 580px; }
  .contact-inner h2 { font-size: clamp(43px, 14vw, 60px); }
  .choice-grid, .choice-grid.three { grid-template-columns: 1fr; }
  .dialog-actions { flex-direction: column; }
  .dialog-actions .button { width: 100%; }
}

@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; }
}