:root {
  --ink: #05070d;
  --ink-soft: #090e18;
  --panel: #0d1421;
  --panel-soft: #111b2b;
  --line: rgba(177, 207, 255, 0.13);
  --line-strong: rgba(177, 215, 255, 0.25);
  --text: #f6f8fc;
  --muted: #94a0b4;
  --muted-2: #667389;
  --ice: #79ddff;
  --blue: #6680ff;
  --violet: #9a78ff;
  --amber: #ffb76a;
  --font: "SF Pro Display", "SF Pro Text", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; background: var(--ink); color: var(--text); font-family: var(--font); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
button, a { font: inherit; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
::selection { background: #6f85ff; color: white; }

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
  opacity: .12;
  background-image:
    radial-gradient(circle at 18% 23%, rgba(255,255,255,.16) 0 .5px, transparent .8px),
    radial-gradient(circle at 72% 64%, rgba(255,255,255,.12) 0 .45px, transparent .75px);
  background-size: 7px 7px, 11px 11px;
  mix-blend-mode: overlay;
}

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  height: 88px;
  display: flex;
  align-items: center;
  padding: 0 clamp(24px, 4.5vw, 86px);
  border-bottom: 1px solid rgba(192, 214, 255, .1);
  background: linear-gradient(180deg, rgba(5, 7, 13, .84), rgba(5, 7, 13, .12));
  transition: height .35s ease, background .35s ease, border-color .35s ease;
}
.site-header.scrolled { height: 72px; background: rgba(6, 9, 16, .86); backdrop-filter: blur(22px) saturate(140%); border-color: var(--line); }
.brand { min-width: max-content; display: flex; align-items: center; gap: 13px; padding: 0; border: 0; background: none; cursor: pointer; text-align: left; }
.brand-logo { width: 38px; height: 38px; flex: 0 0 auto; display: block; overflow: hidden; border-radius: 10px; box-shadow: 0 0 18px rgba(44, 172, 255, .2); }
.brand-logo img { width: 100%; height: 100%; display: block; object-fit: cover; }
.brand-mark { width: 38px; height: 38px; position: relative; display: grid; place-items: center; }
.brand-mark::before, .brand-mark::after, .brand-mark i { content: ""; position: absolute; width: 24px; height: 24px; border: 1.5px solid var(--ice); border-radius: 8px; transform: rotate(45deg); }
.brand-mark::after { width: 20px; height: 30px; border-color: #7d72ff; transform: rotate(-34deg); }
.brand-mark i { width: 30px; height: 18px; border-color: rgba(121, 221, 255, .55); transform: rotate(12deg); }
.brand-mark b { width: 8px; height: 8px; z-index: 1; border-radius: 50%; background: white; box-shadow: 0 0 18px var(--ice); }
.brand strong { display: block; font-size: 17px; line-height: 1; letter-spacing: .08em; font-weight: 720; }
.brand small { display: block; margin-top: 6px; color: #738198; font-size: 8px; letter-spacing: .24em; }
.desktop-nav { display: flex; align-items: center; gap: clamp(15px, 2.1vw, 38px); margin: auto; }
.desktop-nav button { position: relative; padding: 28px 0; color: #a8b2c3; background: none; border: 0; font-size: 12px; cursor: pointer; white-space: nowrap; }
.desktop-nav button::after { content: ""; position: absolute; left: 50%; bottom: 18px; width: 0; height: 1px; background: var(--ice); transition: .25s ease; }
.desktop-nav button:hover { color: white; }
.desktop-nav button:hover::after { left: 0; width: 100%; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.lang-toggle { height: 38px; display: flex; align-items: center; gap: 8px; padding: 0 13px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .025); color: #748198; font-size: 10px; cursor: pointer; }
.lang-toggle span:first-child { color: white; }
.lang-toggle i { width: 3px; height: 3px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 8px var(--ice); }
.menu-button { display: none; position: relative; width: 36px; height: 36px; border: 0; background: none; }
.menu-button span { position: absolute; left: 7px; top: 13px; width: 22px; height: 1px; background: white; transition: .25s; }
.menu-button span + span { top: 21px; }
.menu-button.open span { top: 17px; transform: rotate(45deg); }
.menu-button.open span + span { transform: rotate(-45deg); }
.mobile-menu { display: none; }

.hero { min-height: 760px; height: min(920px, 100svh); position: relative; display: flex; align-items: center; padding: 132px max(6vw, calc((100vw - 1600px) / 2)) 100px; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-bg { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(5, 7, 13, .99) 0%, rgba(5, 7, 13, .88) 28%, rgba(5, 7, 13, .28) 57%, rgba(5, 7, 13, .12) 100%), linear-gradient(0deg, #05070d 0%, transparent 28%), url('./hero-sequence-v2.png'); background-size: cover; background-position: center; transform: scale(1.015); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, transparent 49.9%, rgba(136, 178, 255, .08) 50%, transparent 50.1%), radial-gradient(circle at 78% 55%, transparent 0 19%, rgba(5, 8, 16, .13) 45%, transparent 68%); pointer-events: none; }
.hero-grain { position: absolute; z-index: 1; inset: 0; opacity: .3; background-image: linear-gradient(rgba(255, 255, 255, .022) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, #000, transparent 75%); }
.hero-copy { position: relative; z-index: 3; width: min(780px, 57vw); }
.eyebrow, .section-kicker { display: flex; align-items: center; gap: 13px; color: var(--ice); font-size: 10px; font-weight: 650; letter-spacing: .28em; }
.eyebrow span { width: 38px; height: 1px; background: linear-gradient(90deg, var(--ice), transparent); }
h1 { margin: 28px 0 26px; font-size: clamp(58px, 6.1vw, 104px); font-weight: 680; line-height: .96; letter-spacing: -.06em; }
h1 span, h1 em { display: block; font-style: normal; }
h1 em { margin-top: 11px; color: transparent; background: linear-gradient(104deg, #fff 5%, #d9e8ff 38%, #8ddfff 73%, #b6a1ff); -webkit-background-clip: text; background-clip: text; }
.hero-subtitle { max-width: 650px; margin: 0; color: #aeb8c8; font-size: clamp(16px, 1.25vw, 20px); line-height: 1.85; font-weight: 390; letter-spacing: .01em; }
.hero-actions { display: flex; gap: 11px; margin-top: 38px; }
.hero-actions .button { justify-content: center; gap: 0; }
.button { min-width: 180px; height: 54px; display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; padding: 0 22px; border-radius: 3px; font-size: 13px; font-weight: 650; cursor: pointer; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.button.primary { border: 1px solid rgba(147, 218, 255, .62); background: linear-gradient(110deg, #526dff, #58cfff); box-shadow: 0 16px 45px rgba(55, 109, 255, .28); }
.button.secondary { border: 1px solid rgba(190, 214, 255, .28); background: rgba(8, 13, 24, .42); backdrop-filter: blur(14px); }
.button:hover { transform: translateY(-3px); border-color: rgba(255, 255, 255, .65); box-shadow: 0 18px 48px rgba(43, 97, 220, .3); }
.hero-proof { display: flex; gap: 24px; margin-top: 34px; color: #708097; font-size: 9px; letter-spacing: .18em; }
.hero-proof span { display: flex; align-items: center; gap: 7px; }
.hero-proof i { width: 4px; height: 4px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 10px var(--ice); }
.hero-index { position: absolute; z-index: 3; right: clamp(24px, 4.5vw, 86px); bottom: 48px; display: grid; grid-template-columns: auto 54px auto; align-items: center; gap: 12px; color: #627187; font-size: 9px; letter-spacing: .2em; }
.hero-index i { height: 1px; background: linear-gradient(90deg, #69778a, transparent); }
.hero-index span { color: #a4afc0; }
.scroll-cue { position: absolute; z-index: 4; left: 50%; bottom: 29px; display: flex; align-items: center; gap: 12px; transform: translateX(-50%); border: 0; background: none; color: #718097; font-size: 9px; letter-spacing: .2em; cursor: pointer; }
.scroll-cue i { width: 26px; height: 1px; background: #52647c; position: relative; }
.scroll-cue i::after { content: ""; position: absolute; right: 0; top: -2px; width: 5px; height: 5px; border-right: 1px solid var(--ice); border-bottom: 1px solid var(--ice); transform: rotate(45deg); }

.stats { padding: 0 clamp(24px, 5vw, 92px); background: #080d16; border-bottom: 1px solid var(--line); }
.stats-grid { max-width: 1600px; margin: auto; display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { min-height: 150px; position: relative; padding: 36px clamp(22px, 3vw, 50px); border-left: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; }
.stat:last-child { border-right: 1px solid var(--line); }
.stat small { position: absolute; right: 20px; top: 19px; color: #46536a; font-size: 9px; letter-spacing: .2em; }
.stat strong { display: block; font-size: clamp(30px, 2.5vw, 43px); font-weight: 590; letter-spacing: -.035em; font-variant-numeric: tabular-nums; }
.stat p { margin: 16px 0 0; color: #a6b4c9; font-size: clamp(17px, 1.22vw, 21px); font-weight: 540; line-height: 1.35; letter-spacing: .055em; text-transform: uppercase; }
.stat { min-height: 178px; overflow: hidden; isolation: isolate; }
.stat > * { position: relative; z-index: 2; }
.stat::before { content: ""; position: absolute; z-index: 0; inset: 0 0 0 48%; opacity: .42; pointer-events: none; mask-image: linear-gradient(90deg, transparent, #000 30%, #000); }
.stat::after { content: ""; position: absolute; z-index: 1; right: -50px; bottom: -75px; width: 210px; height: 150px; border-radius: 50%; background: rgba(73, 117, 206, .12); filter: blur(38px); pointer-events: none; }
.stat:nth-child(1)::before { background-image: radial-gradient(circle at 18% 24%, rgba(119, 222, 255, .76) 0 3px, transparent 4px), radial-gradient(circle at 48% 55%, rgba(133, 154, 255, .64) 0 4px, transparent 5px), radial-gradient(circle at 78% 28%, rgba(119, 222, 255, .66) 0 3px, transparent 4px), radial-gradient(circle at 82% 78%, rgba(133, 154, 255, .58) 0 3px, transparent 4px), linear-gradient(32deg, transparent 48.8%, rgba(123, 187, 244, .22) 49.2% 50.2%, transparent 50.6%), linear-gradient(145deg, transparent 49%, rgba(117, 146, 224, .2) 49.4% 50.1%, transparent 50.5%); background-size: 210px 150px; background-position: right center; background-repeat: no-repeat; }
.stat:nth-child(2)::before { background: repeating-radial-gradient(circle at 72% 50%, transparent 0 20px, rgba(117, 160, 218, .2) 21px 22px, transparent 23px 34px), conic-gradient(from 205deg at 72% 50%, transparent 0 68%, rgba(116, 200, 236, .2) 72%, transparent 79%); }
.stat:nth-child(3)::before { background-image: linear-gradient(rgba(111, 151, 207, .13) 1px, transparent 1px), linear-gradient(90deg, rgba(111, 151, 207, .13) 1px, transparent 1px), radial-gradient(circle at 72% 52%, transparent 0 34px, rgba(121, 210, 241, .24) 35px 36px, transparent 37px 54px, rgba(126, 153, 222, .18) 55px 56px, transparent 57px); background-size: 28px 28px, 28px 28px, auto; }
.stat:nth-child(4)::before { inset: 22px 18px 16px 53%; background: linear-gradient(to top, rgba(95, 132, 214, .28) 0 28%, transparent 28%) 0 0 / 14% 100% no-repeat, linear-gradient(to top, rgba(102, 151, 222, .3) 0 43%, transparent 43%) 24% 0 / 14% 100% no-repeat, linear-gradient(to top, rgba(110, 184, 231, .32) 0 62%, transparent 62%) 48% 0 / 14% 100% no-repeat, linear-gradient(to top, rgba(123, 207, 239, .34) 0 82%, transparent 82%) 72% 0 / 14% 100% no-repeat; border-bottom: 1px solid rgba(121, 164, 218, .22); mask-image: linear-gradient(90deg, transparent, #000 18%, #000); }

.section { position: relative; padding: clamp(96px, 9vw, 148px) clamp(24px, 6vw, 112px); }
.section-head { max-width: 850px; margin: 0 0 62px; }
.section-kicker { margin: 0 0 21px; }
.section-kicker::before { content: ""; width: 7px; height: 7px; border: 1px solid var(--ice); transform: rotate(45deg); box-shadow: 0 0 12px rgba(121, 221, 255, .55); }
.section-head h2 { margin: 0; font-size: clamp(36px, 4.2vw, 66px); font-weight: 620; line-height: 1.12; letter-spacing: -.045em; }
.section-head > p:last-child { max-width: 650px; margin: 21px 0 0; color: var(--muted); line-height: 1.85; font-size: 15px; }
.section-head.split { max-width: 1600px; display: flex; align-items: flex-end; justify-content: space-between; gap: 70px; }
.section-head.split > div:first-child { max-width: 880px; }
.section-head.split > p { max-width: 430px; margin: 0 0 6px; }

.flow-section { background: radial-gradient(circle at 85% 12%, rgba(72, 85, 200, .1), transparent 28%), #05070d; overflow: hidden; }
.flow-section .section-head { max-width: 1060px; }
.flow-grid { max-width: 1600px; margin: auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.flow-card { min-height: 420px; position: relative; padding: 27px 28px; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(155deg, rgba(19, 29, 47, .86), rgba(7, 11, 19, .9)); transition: transform .35s ease, border-color .35s ease, background .35s ease; }
.flow-card::before { content: ""; position: absolute; inset: auto -40px -75px; height: 185px; border-radius: 50%; background: radial-gradient(circle, rgba(79, 104, 255, .2), transparent 68%); opacity: 0; transition: opacity .35s ease; }
.flow-card:hover { transform: translateY(-8px); border-color: rgba(123, 211, 255, .38); background: linear-gradient(155deg, rgba(21, 35, 58, .94), rgba(8, 13, 24, .96)); }
.flow-card:hover::before { opacity: 1; }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; color: #59677c; }
.card-top > span { padding-top: 7px; font-size: 10px; letter-spacing: .2em; }
.flow-icon { width: 64px; height: 64px; position: relative; display: block; border: 1px solid rgba(161, 203, 255, .18); border-radius: 18px; background: linear-gradient(145deg, rgba(93, 116, 255, .2), rgba(70, 206, 255, .08)); box-shadow: inset 0 1px rgba(255, 255, 255, .09); }
.flow-icon i, .flow-icon b { position: absolute; display: block; }
.flow-icon-0 i, .flow-icon-0 b { width: 5px; height: 5px; border-radius: 50%; background: #9be8ff; box-shadow: 0 0 9px rgba(121, 221, 255, .72); }
.flow-icon-0 i:nth-child(1) { left: 19px; top: 19px; } .flow-icon-0 i:nth-child(2) { right: 19px; top: 19px; } .flow-icon-0 i:nth-child(3) { left: 19px; bottom: 19px; } .flow-icon-0 i:nth-child(4) { right: 19px; bottom: 19px; } .flow-icon-0 b:nth-of-type(1) { left: 29px; top: 29px; } .flow-icon-0 b:nth-of-type(2) { width: 30px; height: 1px; left: 16px; top: 31px; background: rgba(121, 221, 255, .45); box-shadow: none; transform: rotate(45deg); }
.flow-icon-1 i:nth-child(1), .flow-icon-1 i:nth-child(2) { inset: 17px; border: 1px solid #9deaff; border-radius: 50%; box-shadow: 0 0 13px rgba(121, 221, 255, .3); } .flow-icon-1 i:nth-child(2) { inset: 24px; background: #83ddff; } .flow-icon-1 b:nth-of-type(1) { width: 1px; height: 22px; left: 31px; top: 10px; background: linear-gradient(#a8eaff, transparent); transform: rotate(35deg); transform-origin: bottom; }
.flow-icon-2::before, .flow-icon-2::after { content: ""; position: absolute; background: rgba(141, 218, 255, .45); } .flow-icon-2::before { width: 32px; height: 1px; left: 15px; top: 31px; } .flow-icon-2::after { width: 1px; height: 32px; left: 31px; top: 15px; } .flow-icon-2 i { width: 8px; height: 8px; border: 1px solid #9deaff; transform: rotate(45deg); } .flow-icon-2 i:nth-child(1) { left: 12px; top: 27px; } .flow-icon-2 i:nth-child(2) { right: 12px; top: 27px; } .flow-icon-2 i:nth-child(3) { left: 27px; top: 12px; } .flow-icon-2 i:nth-child(4) { left: 27px; bottom: 12px; } .flow-icon-2 b:nth-of-type(1) { width: 11px; height: 11px; left: 25px; top: 25px; border-radius: 50%; background: #83ddff; box-shadow: 0 0 14px #6caeff; }
.flow-icon-3 i:nth-child(1), .flow-icon-3 i:nth-child(2), .flow-icon-3 i:nth-child(3), .flow-icon-3 i:nth-child(4) { bottom: 16px; width: 5px; border-radius: 3px 3px 0 0; background: linear-gradient(#91e5ff, #657dff); } .flow-icon-3 i:nth-child(1) { left: 17px; height: 10px; } .flow-icon-3 i:nth-child(2) { left: 26px; height: 17px; } .flow-icon-3 i:nth-child(3) { left: 35px; height: 25px; } .flow-icon-3 i:nth-child(4) { left: 44px; height: 32px; } .flow-icon-3 b:nth-of-type(1) { width: 30px; height: 1px; left: 17px; top: 25px; background: #b2eeff; transform: rotate(-23deg); }
.card-rule { width: 100%; height: 1px; margin-top: 27px; background: linear-gradient(90deg, var(--line-strong), transparent); }
.flow-card h3 { margin: 45px 0 16px; font-size: 23px; font-weight: 590; letter-spacing: -.025em; }
.flow-card > p { margin: 0; color: #8995a9; font-size: 14px; line-height: 1.78; }
.flow-card footer { position: absolute; left: 28px; right: 28px; bottom: 27px; display: flex; align-items: center; justify-content: space-between; color: var(--ice); font-size: 9px; letter-spacing: .14em; }
.flow-card footer b { width: 32px; height: 1px; background: linear-gradient(90deg, var(--ice), transparent); }

.system-section { background: radial-gradient(circle at 50% 0%, rgba(96, 89, 223, .17), transparent 36%), #080c15; overflow: hidden; }
.system-preview { max-width: 1540px; margin: auto; overflow: hidden; border: 1px solid rgba(170, 204, 255, .22); border-radius: 14px; background: rgba(5, 9, 16, .92); box-shadow: 0 45px 100px rgba(0, 0, 0, .38), 0 0 0 8px rgba(255, 255, 255, .015); }
.system-toolbar { height: 56px; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .025); }
.system-brand { display: flex; align-items: center; gap: 9px; color: #d6dfef; font-size: 10px; letter-spacing: .18em; }
.system-brand small { color: #58657b; }
.system-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 11px var(--ice); }
.system-status { display: flex; align-items: center; gap: 8px; color: #7f8ba0; font-size: 9px; letter-spacing: .12em; }
.system-status i { width: 5px; height: 5px; border-radius: 50%; background: #7be0ac; box-shadow: 0 0 9px #7be0ac; }
.system-shell { min-height: 580px; display: grid; grid-template-columns: 220px 1fr; }
.system-nav { padding: 28px 18px; border-right: 1px solid var(--line); background: #080d16; }
.system-avatar { width: 42px; height: 42px; margin: 0 8px 34px; display: grid; place-items: center; border: 1px solid rgba(120, 221, 255, .3); border-radius: 12px; color: var(--ice); background: rgba(75, 112, 255, .1); font-size: 10px; letter-spacing: .12em; }
.system-nav > div:not(.system-avatar) { display: grid; grid-template-columns: 30px 1fr; align-items: center; padding: 13px 11px; border-radius: 7px; color: #667389; font-size: 11px; }
.system-nav > div:not(.system-avatar) span { font-size: 8px; color: #404b5e; }
.system-nav > div.active { color: #e8eef8; background: linear-gradient(90deg, rgba(94, 113, 255, .18), rgba(101, 212, 255, .06)); box-shadow: inset 2px 0 var(--ice); }
.system-main { padding: 34px 36px 38px; }
.system-overview { display: flex; align-items: flex-end; justify-content: space-between; }
.system-overview small { display: block; color: var(--ice); font-size: 9px; letter-spacing: .18em; }
.system-overview strong { display: block; margin-top: 10px; font-size: 27px; font-weight: 580; letter-spacing: -.03em; }
.system-period { padding: 9px 12px; border: 1px solid var(--line); border-radius: 5px; color: #8090a8; font-size: 9px; letter-spacing: .12em; }
.system-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 11px; margin-top: 30px; }
.system-metrics > div { min-height: 110px; position: relative; padding: 20px; border: 1px solid var(--line); background: linear-gradient(150deg, rgba(22, 34, 55, .72), rgba(10, 15, 25, .76)); }
.system-metrics small { display: block; color: #6e7a8e; font-size: 9px; letter-spacing: .11em; }
.system-metrics strong { display: block; margin-top: 14px; font-size: 28px; font-weight: 560; }
.system-metrics em { position: absolute; right: 16px; bottom: 18px; color: #82dca8; font-size: 9px; font-style: normal; }
.system-panels { display: grid; grid-template-columns: 1.7fr 1fr; gap: 11px; margin-top: 11px; }
.velocity-panel, .signal-panel { min-height: 270px; position: relative; overflow: hidden; padding: 22px; border: 1px solid var(--line); background: #0a101c; }
.panel-label { display: flex; align-items: center; justify-content: space-between; color: #dce5f3; font-size: 11px; }
.panel-label small { color: #59667b; font-size: 8px; letter-spacing: .13em; }
.chart-bars { position: absolute; inset: 84px 22px 31px; display: flex; align-items: flex-end; justify-content: space-between; gap: 8px; border-bottom: 1px solid rgba(150, 188, 244, .15); background: repeating-linear-gradient(to top, transparent 0 44px, rgba(150, 188, 244, .07) 45px); }
.chart-bars i { width: 100%; height: var(--h); border-radius: 2px 2px 0 0; background: linear-gradient(180deg, rgba(122, 213, 255, .6), rgba(93, 105, 255, .12)); }
.chart-line { position: absolute; left: 28px; right: 28px; top: 116px; height: 70px; border-top: 2px solid #91e5ff; transform: skewY(-7deg); filter: drop-shadow(0 0 7px rgba(121, 221, 255, .6)); }
.chart-line span { position: absolute; width: 6px; height: 6px; top: -4px; border-radius: 50%; background: #dff8ff; } .chart-line span:nth-child(1) { left: 4%; } .chart-line span:nth-child(2) { left: 28%; top: 7px; } .chart-line span:nth-child(3) { left: 52%; top: -10px; } .chart-line span:nth-child(4) { left: 75%; top: -22px; } .chart-line span:nth-child(5) { right: 0; top: -34px; }
.signal-panel { background: radial-gradient(circle at 76% 44%, rgba(91, 113, 255, .2), transparent 33%), #0a101c; }
.signal-score { margin-top: 39px; display: flex; align-items: baseline; gap: 6px; }
.signal-score span { font-size: 48px; font-weight: 560; letter-spacing: -.05em; }
.signal-score small { color: #6d798d; font-size: 10px; }
.signal-ring { position: absolute; right: 25px; top: 76px; width: 92px; height: 92px; border: 1px solid rgba(121, 221, 255, .18); border-radius: 50%; background: repeating-radial-gradient(circle, transparent 0 13px, rgba(121, 221, 255, .08) 14px); }
.signal-ring i { position: absolute; inset: 14px; border-radius: 50%; border: 5px solid rgba(100, 120, 255, .15); border-top-color: var(--ice); transform: rotate(38deg); }
.signal-ring b { position: absolute; left: 42px; top: 42px; width: 7px; height: 7px; border-radius: 50%; background: white; box-shadow: 0 0 14px var(--ice); }
.signal-panel p { position: absolute; left: 22px; right: 22px; bottom: 19px; margin: 0; color: #7e8ca1; font-size: 10px; letter-spacing: .06em; }

.advantage-section { background: radial-gradient(circle at 78% 12%, rgba(84, 105, 255, .13), transparent 27%), #070b13; overflow: hidden; }
.radar { width: 104px; height: 104px; position: relative; flex: 0 0 auto; border: 1px solid rgba(121, 221, 255, .21); border-radius: 50%; background: repeating-radial-gradient(circle, transparent 0 15px, rgba(121, 221, 255, .08) 16px); }
.radar::before, .radar::after { content: ""; position: absolute; background: rgba(121, 221, 255, .14); } .radar::before { left: 50%; top: 0; bottom: 0; width: 1px; } .radar::after { top: 50%; left: 0; right: 0; height: 1px; }
.radar i { position: absolute; left: 50%; top: 0; width: 50%; height: 50%; transform-origin: left bottom; background: conic-gradient(from 180deg, rgba(121, 221, 255, .34), transparent); animation: sweep 4.5s linear infinite; }
.radar b, .radar span { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 9px var(--ice); } .radar b { left: 21px; top: 34px; } .radar span { right: 18px; bottom: 29px; }
@keyframes sweep { to { transform: rotate(360deg); } }
.advantage-grid { max-width: 1600px; margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.advantage-card { min-height: 430px; position: relative; overflow: hidden; padding: 30px; border: 1px solid var(--line); background: linear-gradient(155deg, rgba(20, 31, 49, .78), rgba(7, 11, 19, .9)); transition: transform .35s ease, border-color .35s ease; }
.advantage-card::before { content: ""; position: absolute; right: -20%; bottom: -35%; width: 75%; height: 70%; border-radius: 50%; background: var(--card-glow); filter: blur(90px); opacity: .13; }
.tone-0 { --card-glow: #48c8ff; } .tone-1 { --card-glow: #826dff; } .tone-2 { --card-glow: #ff9c63; }
.advantage-card:hover { transform: translateY(-7px); border-color: rgba(168, 211, 255, .35); }
.advantage-head { display: flex; align-items: center; justify-content: space-between; }
.advantage-num, .advantage-head small { color: #5a6679; font-size: 9px; letter-spacing: .18em; }
.signal-icon { width: 96px; height: 96px; position: relative; display: block; margin: 53px 0 35px; color: var(--ice); }
.signal-icon i, .signal-icon b, .signal-icon em { position: absolute; display: block; font-style: normal; }
.signal-icon-0 i { inset: 10px; border: 1px solid currentColor; border-radius: 24px; transform: rotate(45deg); box-shadow: inset 0 0 24px rgba(121, 221, 255, .08), 0 0 24px rgba(121, 221, 255, .09); } .signal-icon-0 b { inset: 30px; border: 1px solid currentColor; border-radius: 50%; } .signal-icon-0 em { left: 44px; top: 44px; width: 8px; height: 8px; border-radius: 50%; background: white; box-shadow: 0 0 18px currentColor; }
.signal-icon-1 i { width: 74px; height: 74px; left: 11px; top: 11px; border: 1px solid currentColor; border-radius: 50%; } .signal-icon-1 b { width: 48px; height: 48px; left: 24px; top: 24px; border: 1px dashed currentColor; border-radius: 50%; } .signal-icon-1 em { width: 25px; height: 25px; left: 36px; top: 35px; border: 1px solid currentColor; transform: rotate(45deg); box-shadow: 0 0 18px rgba(121, 221, 255, .2); }
.signal-icon-2 { color: var(--amber); } .signal-icon-2 i { left: 11px; right: 10px; bottom: 15px; height: 1px; background: currentColor; transform: rotate(-26deg); transform-origin: right; } .signal-icon-2 b { right: 7px; top: 18px; width: 30px; height: 30px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; } .signal-icon-2 em { left: 15px; bottom: 13px; width: 9px; height: 9px; border-radius: 50%; background: currentColor; box-shadow: 30px -16px 0 -2px currentColor, 58px -32px 0 -2px currentColor, 0 0 18px currentColor; }
.advantage-card h3 { margin: 0 0 14px; font-size: 26px; font-weight: 580; letter-spacing: -.025em; }
.advantage-card p { max-width: 380px; margin: 0; color: #8794a8; font-size: 14px; line-height: 1.8; }
.advantage-card > button { position: absolute; right: 26px; bottom: 26px; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: rgba(255, 255, 255, .025); color: #94a1b4; cursor: pointer; transition: .25s; }
.advantage-card > button:hover { color: white; border-color: var(--ice); transform: rotate(45deg); }

.partner-section { background: #05070d; }
.partner-grid { max-width: 1600px; margin: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.partner-card { min-height: 400px; position: relative; overflow: hidden; display: flex; align-items: flex-end; padding: 38px; border: 1px solid var(--line); background: radial-gradient(circle at 76% 40%, rgba(115, 89, 255, .25), transparent 26%), linear-gradient(135deg, #15132c, #090e19 64%); }
.partner-1 { background: radial-gradient(circle at 76% 40%, rgba(255, 145, 85, .21), transparent 26%), linear-gradient(135deg, #21151a, #0d0e17 64%); }
.partner-card::before { content: ""; position: absolute; inset: 0; opacity: .28; background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px); background-size: 46px 46px; mask-image: linear-gradient(90deg, transparent, #000); }
.partner-index { position: absolute; left: 34px; top: 28px; color: #69758a; font-size: 9px; letter-spacing: .2em; }
.partner-copy { position: relative; z-index: 2; max-width: 62%; }
.partner-copy > p { margin: 0; color: #b49cff; font-size: 9px; letter-spacing: .22em; }
.partner-1 .partner-copy > p { color: #ffb47b; }
.partner-copy h3 { margin: 12px 0 14px; font-size: 35px; font-weight: 610; letter-spacing: -.035em; }
.partner-copy > span { display: block; color: #909cad; font-size: 14px; line-height: 1.75; }
.partner-copy > button { min-width: 182px; height: 48px; display: inline-flex; align-items: center; justify-content: center; margin-top: 28px; padding: 0 19px; border: 1px solid rgba(181, 158, 255, .35); border-radius: 3px; background: linear-gradient(105deg, rgba(100, 79, 224, .82), rgba(147, 90, 234, .78)); color: white; font-size: 12px; font-weight: 650; cursor: pointer; transition: transform .25s, box-shadow .25s; }
.partner-1 .partner-copy > button { border-color: rgba(255, 174, 113, .35); background: linear-gradient(105deg, rgba(211, 86, 47, .85), rgba(240, 157, 70, .8)); }
.partner-copy > button:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(94, 68, 205, .28); }
.partner-art { position: absolute; right: 8%; top: 24%; width: 145px; height: 145px; border: 1px solid rgba(175, 146, 255, .32); transform: rotate(45deg); box-shadow: inset 0 0 46px rgba(122, 89, 255, .12), 0 0 45px rgba(112, 80, 255, .12); }
.partner-1 .partner-art { border-color: rgba(255, 164, 99, .36); box-shadow: inset 0 0 46px rgba(255, 110, 55, .11), 0 0 45px rgba(255, 108, 55, .1); }
.partner-art::before, .partner-art::after { content: ""; position: absolute; inset: 18px; border: 1px solid rgba(157, 132, 255, .22); }
.partner-art::after { inset: 41px; background: rgba(129, 99, 255, .18); box-shadow: 0 0 28px rgba(137, 99, 255, .3); }
.partner-art i, .partner-art b, .partner-art span { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: #efe9ff; box-shadow: 0 0 11px #a586ff; }
.partner-art i { left: 8px; top: 8px; } .partner-art b { right: 8px; bottom: 8px; } .partner-art span { right: -3px; top: 50%; }

.application-modal { position: fixed; z-index: 120; inset: 0; display: grid; place-items: center; padding: 20px; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .25s ease, visibility .25s ease; }
.application-modal.open { opacity: 1; visibility: visible; pointer-events: auto; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(1, 4, 10, .78); backdrop-filter: blur(10px); }
.modal-dialog { width: min(520px, 100%); max-height: calc(100svh - 40px); position: relative; z-index: 1; overflow: auto; padding: 38px; border: 1px solid rgba(153, 198, 255, .24); border-radius: 16px; background: radial-gradient(circle at 90% 0%, rgba(99, 94, 227, .18), transparent 32%), #0b111d; box-shadow: 0 32px 90px rgba(0, 0, 0, .55); transform: translateY(18px) scale(.98); transition: transform .28s ease; }
.application-modal.open .modal-dialog { transform: none; }
.modal-close { position: absolute; right: 17px; top: 15px; width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: rgba(255,255,255,.03); color: #9aa8ba; font-size: 22px; cursor: pointer; }
.modal-kicker { margin: 0 0 13px; color: var(--ice); font-size: 9px; font-weight: 700; letter-spacing: .22em; }
.modal-dialog h2 { margin: 0; font-size: 30px; font-weight: 630; letter-spacing: -.03em; }
.modal-description { margin: 13px 0 27px; color: #8996aa; font-size: 13px; line-height: 1.7; }
.identity-fieldset { margin: 0 0 19px; padding: 0; border: 0; }
.identity-fieldset legend, .form-field > span { display: block; margin-bottom: 9px; color: #c7d2e1; font-size: 11px; font-weight: 620; }
.identity-options { display: grid; grid-template-columns: repeat(var(--option-count, 2), 1fr); gap: 8px; }
.identity-option { position: relative; min-width: 0; }
.identity-option input { position: absolute; opacity: 0; pointer-events: none; }
.identity-option span { min-height: 43px; display: grid; place-items: center; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; background: rgba(255,255,255,.025); color: #8e9bb0; font-size: 11px; text-align: center; cursor: pointer; transition: .2s ease; }
.identity-option input:checked + span { border-color: var(--ice); background: linear-gradient(120deg, rgba(88,111,255,.24), rgba(73,205,255,.12)); color: white; box-shadow: inset 0 0 0 1px rgba(121,221,255,.12); }
.identity-option input:focus-visible + span { outline: 1px solid var(--ice); outline-offset: 3px; }
.form-field { display: block; margin-top: 16px; }
.form-field input { width: 100%; height: 48px; padding: 0 14px; border: 1px solid var(--line); border-radius: 7px; outline: 0; background: rgba(255,255,255,.025); color: white; font-size: 13px; transition: border-color .2s, box-shadow .2s; }
.form-field input::placeholder { color: #566276; }
.form-field input:focus { border-color: rgba(121,221,255,.7); box-shadow: 0 0 0 3px rgba(121,221,255,.08); }
.form-error { min-height: 18px; margin: 11px 0 0; color: #ff987d; font-size: 11px; }
.form-submit, .success-close { width: 100%; height: 50px; border: 1px solid rgba(147,218,255,.55); border-radius: 7px; background: linear-gradient(110deg, #526dff, #58cfff); color: white; font-size: 13px; font-weight: 700; cursor: pointer; box-shadow: 0 14px 35px rgba(55,109,255,.24); }
.application-success { padding: 24px 0 7px; text-align: center; }
.success-mark { width: 68px; height: 68px; display: grid; place-items: center; margin: 0 auto 21px; border-radius: 50%; background: linear-gradient(135deg, rgba(79,108,255,.26), rgba(80,219,193,.19)); color: #8df1c4; font-size: 30px; box-shadow: inset 0 0 0 1px rgba(141,241,196,.25), 0 0 40px rgba(78,219,183,.1); }
.application-success p { margin: 13px 0 27px; color: #8996aa; font-size: 13px; line-height: 1.7; }
.success-close { max-width: 220px; }
[hidden] { display: none !important; }
body.modal-open { overflow: hidden; }

.site-footer { padding: 88px clamp(24px, 6vw, 112px) 26px; background: #03050a; border-top: 1px solid var(--line); }
.footer-cta { max-width: 1600px; margin: auto; padding: 42px 0; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.footer-cta p { margin: 0; font-size: clamp(28px, 3.5vw, 54px); font-weight: 590; letter-spacing: -.045em; }
.footer-cta a { display: flex; align-items: center; gap: 26px; color: var(--ice); font-size: clamp(15px, 1.5vw, 22px); }
.footer-grid { max-width: 1600px; margin: auto; padding: 64px 0; display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 55px; }
.footer-brand p { max-width: 280px; margin: 24px 0 0; color: #657187; font-size: 12px; line-height: 1.8; }
.footer-col { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.footer-col h4 { margin: 0 0 11px; font-size: 11px; letter-spacing: .14em; }
.footer-col button, .footer-col a, .footer-col span { padding: 0; border: 0; background: none; color: #687489; font-size: 11px; cursor: pointer; }
.footer-col button:hover, .footer-col a:hover { color: var(--ice); }
.footer-bottom { max-width: 1600px; margin: auto; padding-top: 23px; display: flex; justify-content: space-between; border-top: 1px solid var(--line); color: #424c5d; font-size: 9px; letter-spacing: .08em; }
.footer-legal { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; }
.icp-link { color: #59667a; transition: color .2s ease; }
.icp-link:hover { color: var(--ice); }
.footer-policy-link { color: #59667a; transition: color .2s ease; }
.footer-policy-link:hover { color: var(--ice); }
.footer-bottom button { border: 0; background: none; color: #6f7c91; cursor: pointer; }

/* Legal pages reuse the site's dark visual system while prioritizing readability. */
.legal-page { min-height: 100svh; background: radial-gradient(circle at 82% 8%, rgba(84,105,255,.13), transparent 26%), #05070d; color: #f5f7fb; }
.legal-header { position: sticky; top: 0; z-index: 20; height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(22px, 5vw, 80px); border-bottom: 1px solid var(--line); background: rgba(5,7,13,.9); backdrop-filter: blur(14px); }
.legal-header .brand { color: inherit; text-decoration: none; }
.legal-back { color: #8d99ab; font-size: 12px; letter-spacing: .04em; transition: color .2s ease; }
.legal-back:hover { color: var(--ice); }
.legal-main { width: min(900px, calc(100% - 44px)); margin: 0 auto; padding: 86px 0 110px; }
.legal-kicker { margin: 0 0 17px; color: var(--ice); font-size: 10px; font-weight: 700; letter-spacing: .2em; }
.legal-main h1 { margin: 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.06; letter-spacing: -.045em; }
.legal-meta { margin: 20px 0 62px; color: #758297; font-size: 13px; }
.legal-content { padding: clamp(24px, 5vw, 58px); border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(155deg, rgba(20,31,49,.76), rgba(7,11,19,.88)); box-shadow: 0 24px 70px rgba(0,0,0,.22); }
.legal-content h2 { margin: 46px 0 16px; color: #fff; font-size: 23px; line-height: 1.35; letter-spacing: -.02em; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 { margin: 28px 0 12px; color: #dce7f4; font-size: 16px; }
.legal-content p { margin: 0 0 15px; color: #a4afbf; font-size: 14px; line-height: 1.9; overflow-wrap: anywhere; }
.legal-content ul { margin: 0 0 20px; padding-left: 22px; color: #a4afbf; }
.legal-content li { margin: 8px 0; padding-left: 5px; font-size: 14px; line-height: 1.8; }
.legal-switch { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.legal-switch a { display: inline-flex; align-items: center; min-height: 42px; padding: 0 16px; border: 1px solid var(--line); border-radius: 9px; color: #91a0b5; font-size: 12px; transition: color .2s ease, border-color .2s ease; }
.legal-switch a:hover { color: var(--ice); border-color: rgba(121,221,255,.38); }
@media (max-width: 560px) {
  .legal-header { height: 68px; }
  .legal-header .brand small { display: none; }
  .legal-main { padding: 58px 0 78px; }
  .legal-meta { margin-bottom: 40px; }
  .legal-content { border-radius: 14px; }
}

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .75s ease var(--delay, 0ms), transform .75s ease var(--delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }
button:focus-visible, a:focus-visible { outline: 1px solid var(--ice); outline-offset: 4px; }

@media (max-width: 1180px) {
  .desktop-nav { gap: 14px; }
  .desktop-nav button { font-size: 10px; }
  .flow-grid { grid-template-columns: 1fr 1fr; }
  .system-shell { grid-template-columns: 190px 1fr; }
  .partner-art { opacity: .5; }
}

@media (max-width: 860px) {
  .site-header { height: 70px; padding: 0 20px; }
  .desktop-nav { display: none; }
  .header-actions { margin-left: auto; }
  .menu-button { display: block; }
  .mobile-menu { position: absolute; top: 70px; left: 0; width: 100%; height: calc(100svh - 70px); display: flex; flex-direction: column; padding: 30px 24px; background: rgba(5, 7, 13, .98); transform: translateX(100%); transition: transform .35s ease; }
  .mobile-menu.open { transform: none; }
  .mobile-menu button { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; padding: 17px 0; border: 0; border-bottom: 1px solid var(--line); background: none; text-align: left; font-size: 17px; }
  .mobile-menu small { color: #515e72; }
  .hero { height: 100svh; min-height: 760px; align-items: flex-end; padding: 110px 24px 100px; }
  .hero-bg { background-image: linear-gradient(0deg, #05070d 0%, rgba(5, 7, 13, .87) 42%, rgba(5, 7, 13, .12) 76%), url('./hero-sequence-v2.png'); background-position: 68% center; }
  .hero-copy { width: 100%; }
  h1 { font-size: clamp(50px, 13.5vw, 74px); }
  .hero-subtitle { font-size: 15px; }
  .hero-index { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3), .stat:nth-child(4) { border-top: 1px solid var(--line); }
  .stat:nth-child(4) { border-right: 1px solid var(--line); }
  .section-head.split { align-items: flex-start; flex-direction: column; gap: 24px; }
  .section-head.split > p { max-width: 650px; }
  .system-shell { grid-template-columns: 1fr; }
  .system-nav { display: none; }
  .system-metrics { grid-template-columns: 1fr 1fr 1fr; }
  .system-main { padding: 28px 22px; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advantage-card { min-height: 380px; }
  .partner-grid { grid-template-columns: 1fr; }
  .partner-copy { max-width: 72%; }
  .footer-cta { align-items: flex-start; flex-direction: column; gap: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .brand strong { font-size: 15px; }
  .brand small { font-size: 7px; }
  .lang-toggle { height: 34px; padding: 0 9px; }
  .hero { min-height: 780px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .hero-proof { flex-wrap: wrap; gap: 11px 18px; }
  .scroll-cue { display: none; }
  .stats { padding: 0 18px; }
  .stat { min-height: 120px; padding: 28px 18px; }
  .stat strong { font-size: 25px; }
  .section { padding: 88px 22px; }
  .section-head { margin-bottom: 42px; }
  .flow-grid { grid-template-columns: 1fr; }
  .flow-card { min-height: 370px; }
  .system-preview { border-radius: 8px; }
  .system-brand small, .system-status { display: none; }
  .system-main { padding: 24px 15px; }
  .system-overview strong { font-size: 22px; }
  .system-metrics { grid-template-columns: 1fr; }
  .system-panels { grid-template-columns: 1fr; }
  .velocity-panel, .signal-panel { min-height: 250px; }
  .radar { display: none; }
  .partner-card { min-height: 430px; padding: 27px; }
  .partner-copy { max-width: 100%; }
  .partner-art { width: 115px; height: 115px; right: 6%; top: 12%; opacity: .35; }
  .modal-dialog { padding: 31px 21px 25px; border-radius: 12px; }
  .identity-options { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Subtle UI refinement for the original visual direction */
.site-header { background: linear-gradient(180deg, rgba(5,7,13,.9), rgba(5,7,13,.24)); backdrop-filter: blur(12px) saturate(125%); }
.site-header.scrolled { box-shadow: 0 12px 36px rgba(0,0,0,.2); }
.brand-logo { border-radius: 11px; box-shadow: 0 7px 22px rgba(31,155,255,.18), 0 0 0 1px rgba(255,255,255,.08); }
.button { border-radius: 10px; }
.stat { background: linear-gradient(160deg, rgba(16,25,42,.82), rgba(8,13,23,.66)); }
.flow-card { border-radius: 15px; box-shadow: 0 14px 36px rgba(0,0,0,.12); }
.flow-card:hover { box-shadow: 0 22px 48px rgba(0,0,0,.22), 0 0 28px rgba(88,125,255,.06); }
.system-preview { border-radius: 18px; }
.system-metrics > div, .velocity-panel, .signal-panel { border-radius: 10px; }
.advantage-card { border-radius: 16px; }
.partner-card { border-radius: 18px; }
.partner-copy > button { border-radius: 10px; }
.modal-dialog { border-radius: 20px; }
.identity-option span, .form-field input { border-radius: 9px; }
.organization-field { animation: field-in .22s ease both; }
@keyframes field-in { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: none; } }
.form-submit, .success-close { border-radius: 10px; }

@media (max-width: 560px) {
  .flow-card, .advantage-card, .partner-card { border-radius: 14px; }
  .modal-dialog { border-radius: 15px; }
}