@font-face {
  font-family: "Smiley Sans";
  src: url("assets/fonts/SmileySans-Oblique.woff2?v=20261014-2") format("woff2");
  font-style: oblique;
  font-weight: 400;
  font-display: swap;
}

:root {
  --ink: #071018;
  --ink-2: #0b1722;
  --ink-3: #102232;
  --paper: #e9edf0;
  --muted: #8d9aa5;
  --line: rgba(209, 222, 231, .16);
  --line-strong: rgba(209, 222, 231, .3);
  --gold: #e1b95b;
  --gold-light: #f4d58a;
  --blue: #37a7ff;
  --cyan: #69d5ff;
  --max: 1500px;
  --pad: clamp(24px, 5vw, 84px);
  --page-x: 72vw;
  --page-y: 26vh;
  --drift-x: 0px;
  --drift-y: 0px;
  --drift-gold-x: 0px;
  --drift-gold-y: 0px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  min-width: 300px;
  color: var(--paper);
  background:
    radial-gradient(circle at 78% 13%, rgba(55, 167, 255, .085), transparent 26%),
    radial-gradient(circle at 20% 39%, rgba(225, 185, 91, .045), transparent 24%),
    var(--ink);
  font-family: Inter, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  isolation: isolate;
}

main, footer { position: relative; z-index: 2; }

body::after {
  content: "";
  position: fixed;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(420px circle at var(--page-x) var(--page-y), rgba(55,167,255,.13), rgba(55,167,255,.035) 34%, transparent 72%);
  transition: opacity .35s ease;
}

body::before {
  content: "";
  position: fixed;
  z-index: 0;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, #000 0, transparent 72%);
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
::selection { color: var(--ink); background: var(--gold); }

#signalField { position: fixed; z-index: 0; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: .6; }
.ambient-field { position: fixed; z-index: 0; inset: 0; overflow: hidden; pointer-events: none; }
.ambient-field::before {
  content: ""; position: absolute; inset: -18%;
  background: conic-gradient(from 120deg at 50% 50%, transparent 0 38%, rgba(55,167,255,.045) 43%, transparent 49% 71%, rgba(225,185,91,.035) 76%, transparent 82%);
  filter: blur(36px); animation: ambient-turn 34s linear infinite;
}
.ambient-orb { position: absolute; display: block; border-radius: 50%; filter: blur(16px); opacity: .68; will-change: transform; }
.ambient-orb-blue { width: min(54vw, 850px); aspect-ratio: 1; right: -16%; top: -21%; background: radial-gradient(circle at 44% 46%, rgba(37,132,215,.22), rgba(22,82,135,.085) 43%, transparent 72%); transform: translate3d(var(--drift-x), var(--drift-y), 0); animation: orb-breathe-blue 11s ease-in-out infinite alternate; }
.ambient-orb-gold { width: min(42vw, 680px); aspect-ratio: 1; left: -15%; top: 31%; background: radial-gradient(circle, rgba(225,185,91,.115), rgba(137,93,24,.04) 48%, transparent 72%); transform: translate3d(var(--drift-gold-x), var(--drift-gold-y), 0); animation: orb-breathe-gold 15s ease-in-out infinite alternate; }
.ambient-orb-cyan { width: min(31vw, 470px); aspect-ratio: 1; right: 16%; bottom: -9%; background: radial-gradient(circle, rgba(105,213,255,.09), transparent 69%); animation: orb-float 19s ease-in-out infinite alternate; }
.ambient-ring { position: absolute; width: min(68vw, 1040px); aspect-ratio: 1; right: -22%; top: 19%; border: 1px solid rgba(55,167,255,.055); border-radius: 50%; box-shadow: 0 0 0 70px rgba(55,167,255,.012), 0 0 0 150px rgba(225,185,91,.008); animation: ring-breathe 9s ease-in-out infinite alternate; }
.ambient-scan { position: absolute; left: -12%; top: 14%; width: 124%; height: 1px; background: linear-gradient(90deg, transparent, rgba(55,167,255,.05) 36%, rgba(225,185,91,.18) 50%, rgba(55,167,255,.05) 64%, transparent); box-shadow: 0 0 26px rgba(55,167,255,.12); animation: scan-field 12s cubic-bezier(.4,0,.2,1) infinite; }
.landscape-field { position: fixed; z-index: 0; inset: 0; overflow: hidden; pointer-events: none; opacity: 1; }
.landscape-field::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,16,24,.55) 0%, rgba(7,16,24,.12) 34%, rgba(7,16,24,.04) 68%, rgba(7,16,24,.48) 100%); }
.landscape-field svg { width: 100%; height: 100%; overflow: visible; }
.landscape-horizon { opacity: .82; animation: landscape-breathe 9s cubic-bezier(.77,0,.175,1) infinite alternate; }
.landscape-sun { opacity: .72; transform-origin: 1070px 330px; animation: sun-breathe 8s cubic-bezier(.77,0,.175,1) infinite alternate; }
.sun-core { fill: rgba(244,213,138,.46); }
.sun-orbit { fill: none; stroke: rgba(225,185,91,.42); stroke-width: 1; stroke-dasharray: 3 8; }
.landscape-far { transform: translate3d(var(--drift-gold-x), var(--drift-gold-y), 0); transition: transform .8s cubic-bezier(.23,1,.32,1); }
.landscape-mid { transform: translate3d(var(--drift-x), var(--drift-y), 0); transition: transform .65s cubic-bezier(.23,1,.32,1); }
.mountain-line, .ridge-detail, .river-edge, .landscape-contours path { fill: none; vector-effect: non-scaling-stroke; }
.mountain-line { stroke: rgba(55,167,255,.48); stroke-width: 1.15; }
.mountain-line-far { stroke: rgba(225,185,91,.45); }
.ridge-detail { stroke: rgba(105,213,255,.24); stroke-width: .8; }
.snow-line { fill: none; stroke: rgba(233,242,247,.26); stroke-width: .8; vector-effect: non-scaling-stroke; }
.landscape-river { transform-origin: 62% 68%; animation: river-breathe 8s cubic-bezier(.77,0,.175,1) infinite alternate; }
.river-body { opacity: .92; }
.river-edge { stroke: url(#riverEdge); stroke-width: 1.65; opacity: .9; }
.river-edge-gold { stroke-width: 1; opacity: .66; }
.landscape-contours { opacity: .25; }
.landscape-contours path { stroke: #69d5ff; stroke-width: .75; }
.page-noise {
  position: fixed; z-index: 20; inset: 0; pointer-events: none; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.75'/%3E%3C/svg%3E");
}
.scroll-progress { position: fixed; z-index: 30; inset: 0 0 auto; height: 2px; background: rgba(255,255,255,.05); }
.scroll-progress i { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--blue), var(--gold)); box-shadow: 0 0 16px var(--blue); }

.cursor-scope {
  display: none; position: fixed; z-index: 50; width: 38px; height: 38px; pointer-events: none;
  border: 1px solid rgba(225,185,91,.65); border-radius: 50%; transform: translate(-50%, -50%); mix-blend-mode: screen;
}
.cursor-scope::before, .cursor-scope::after { content: ""; position: absolute; background: rgba(55,167,255,.72); }
.cursor-scope::before { width: 12px; height: 1px; left: -7px; top: 18px; box-shadow: 40px 0 rgba(55,167,255,.72); }
.cursor-scope::after { width: 1px; height: 12px; top: -7px; left: 18px; box-shadow: 0 40px rgba(55,167,255,.72); }
.cursor-scope span { position: absolute; width: 3px; height: 3px; border-radius: 50%; background: var(--gold); left: 17px; top: 17px; }

.site-header {
  position: absolute; z-index: 15; top: 0; left: 0; width: 100%; height: 94px;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 var(--pad);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 13px; justify-self: start; }
.brand-symbol { width: 39px; height: 39px; overflow: visible; }
.brand-symbol path, .footer-mark svg path { fill: none; stroke: var(--gold); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.brand span { display: grid; gap: 1px; }
.brand b { font-size: 16px; letter-spacing: .24em; line-height: 1; }
.brand small { color: var(--muted); font-size: 8px; letter-spacing: .15em; }
.main-nav { display: flex; align-items: center; height: 100%; }
.main-nav a { display: flex; align-items: center; gap: 8px; height: 100%; padding: 0 25px; border-left: 1px solid var(--line); color: #bcc6cd; font-size: 13px; letter-spacing: .12em; transition: color .25s, background .25s; }
.main-nav a:last-child { border-right: 1px solid var(--line); }
.main-nav a:hover { color: #fff; background: rgba(255,255,255,.035); }
.main-nav i { color: var(--gold); font-style: normal; font-family: Consolas, monospace; font-size: 9px; }
.profile-wrap { position: relative; justify-self: end; }
.profile { position: relative; isolation: isolate; overflow: hidden; display: flex; align-items: center; gap: 12px; padding: 9px 13px; border: 1px solid transparent; border-radius: 999px; background: rgba(255,255,255,.015); cursor: pointer; transition: border-color .25s, background .25s, box-shadow .25s, transform .18s; }
.profile:hover, .profile[aria-expanded="true"] { border-color: var(--line-strong); background: rgba(255,255,255,.045); }
.profile:hover { box-shadow: 0 12px 35px rgba(0,0,0,.2), inset 0 0 24px rgba(55,167,255,.045); }
.profile:active { transform: scale(.96); }
.profile-pulse { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #55e39d; box-shadow: 0 0 12px rgba(85,227,157,.85); }
.profile-pulse::after { content: ""; position: absolute; inset: -5px; border: 1px solid rgba(85,227,157,.35); border-radius: 50%; animation: pulse 2s infinite; }
.profile > span:nth-child(2) { display: grid; text-align: left; gap: 1px; }
.profile b { font-size: 13px; font-weight: 600; letter-spacing: .1em; }
.profile small { color: #55e39d; font-family: Consolas, monospace; font-size: 8px; letter-spacing: .18em; }
.profile svg { width: 13px; fill: none; stroke: var(--muted); stroke-width: 1.5; transition: transform .25s; }
.profile[aria-expanded="true"] svg { transform: rotate(180deg); }
.profile-menu { position: absolute; top: calc(100% + 18px); right: 0; width: 255px; padding: 23px; background: rgba(8,19,28,.96); border: 1px solid var(--line-strong); border-radius: 18px; box-shadow: 0 25px 80px rgba(0,0,0,.45); backdrop-filter: blur(18px); }
.profile-menu::before { content: ""; position: absolute; width: 8px; height: 8px; right: 27px; top: -5px; transform: rotate(45deg); background: #0b1721; border-left: 1px solid var(--line-strong); border-top: 1px solid var(--line-strong); }
.profile-menu .menu-label { display: block; color: var(--blue); font: 9px/1 Consolas, monospace; letter-spacing: .16em; margin-bottom: 12px; }
.profile-menu strong { font-size: 24px; letter-spacing: .08em; }
.profile-menu p { color: var(--muted); font-size: 12px; line-height: 1.8; margin: 12px 0 18px; }
.profile-menu div { border-top: 1px solid var(--line); padding-top: 15px; color: #7b8b97; font: 9px/1 Consolas, monospace; letter-spacing: .13em; }
.profile-menu div i { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: #55e39d; }

.hero { position: relative; min-height: min(990px, 100svh); padding: 150px var(--pad) 84px; display: grid; grid-template-columns: minmax(0, .93fr) minmax(440px, .8fr); align-items: center; gap: clamp(50px, 7vw, 130px); max-width: calc(var(--max) + var(--pad) * 2); margin: auto; }
.hero::before { content: ""; position: absolute; inset: 94px var(--pad) 0; border-left: 1px solid var(--line); border-right: 1px solid var(--line); pointer-events: none; }
.hero-coordinate { position: absolute; color: rgba(183,198,208,.36); font: 9px/1 Consolas, monospace; letter-spacing: .25em; writing-mode: vertical-rl; }
.coordinate-a { left: calc(var(--pad) - 4px); top: 35%; }
.coordinate-b { right: calc(var(--pad) - 4px); bottom: 22%; }
.hero-copy { position: relative; z-index: 2; padding-left: clamp(20px, 3vw, 54px); }
.hero-kicker { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; color: #9cabb5; font-size: 11px; letter-spacing: .24em; }
.hero-kicker span { color: var(--ink); background: var(--gold); padding: 7px 10px; border-radius: 8px; font: 10px/1 Consolas, monospace; letter-spacing: .12em; }
.hero h1 { margin: 0; font-family: "Smiley Sans", "Microsoft YaHei", sans-serif; font-size: clamp(62px, 7vw, 124px); font-weight: 400; line-height: .9; letter-spacing: .015em; }
.title-line { display: block; overflow: hidden; padding: .06em .08em .08em 0; }
.title-line i { display: block; font-style: normal; }
.title-line.accent i { color: transparent; -webkit-text-stroke: 1.3px var(--gold); text-shadow: 0 0 50px rgba(225,185,91,.11); }
.hero-intro { margin: 34px 0 30px; max-width: 560px; color: #9daab3; font-size: clamp(14px, 1.1vw, 17px); line-height: 1.95; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.action { --surface-x: 50%; --surface-y: 50%; position: relative; isolation: isolate; overflow: hidden; min-width: 168px; height: 54px; display: inline-flex; align-items: center; justify-content: space-between; padding: 0 17px 0 20px; border: 1px solid var(--line-strong); border-radius: 16px; font-size: 13px; letter-spacing: .11em; box-shadow: 0 12px 34px rgba(0,0,0,.16); transition: background .3s, border-color .3s, box-shadow .3s, transform .16s; }
.action::before { content: ""; position: absolute; z-index: -1; inset: -1px; border-radius: inherit; background: radial-gradient(110px circle at var(--surface-x) var(--surface-y), rgba(255,255,255,.34), transparent 68%); opacity: 0; transition: opacity .25s; }
.action::after { content: ""; position: absolute; z-index: 2; top: -60%; bottom: -60%; left: -55%; width: 34%; background: linear-gradient(90deg, transparent, rgba(255,255,255,.32), transparent); transform: skewX(-18deg); transition: left .65s cubic-bezier(.2,.8,.2,1); pointer-events: none; }
.action:hover::before { opacity: .72; }
.action:hover::after { left: 125%; }
.action:hover { box-shadow: 0 18px 46px rgba(0,0,0,.26); transform: translateY(-2px); }
.action:active { transform: translateY(1px) scale(.965); transition-duration: .08s; }
.action i { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 50%; font-style: normal; transition: transform .38s cubic-bezier(.2,1.4,.4,1), background .25s; }
.action:hover i { transform: rotate(-45deg) scale(1.08); }
.action-primary { color: var(--ink); background: var(--gold); border-color: var(--gold); }
.action-primary i { background: rgba(7,16,24,.12); }
.action-primary:hover { background: var(--gold-light); box-shadow: 0 18px 54px rgba(225,185,91,.18), 0 0 0 1px rgba(244,213,138,.26); }
.action-ghost { background: rgba(255,255,255,.018); }
.action-ghost i { color: var(--blue); border: 1px solid rgba(55,167,255,.4); }
.action-ghost:hover { background: rgba(55,167,255,.08); border-color: rgba(55,167,255,.45); }
.hero-meta { display: flex; margin: 52px 0 0; border-top: 1px solid var(--line); max-width: 560px; }
.hero-meta div { min-width: 120px; padding: 15px 30px 0 0; }
.hero-meta dt { color: #65737e; font: 8px/1 Consolas, monospace; letter-spacing: .22em; }
.hero-meta dd { margin: 8px 0 0; font: 12px/1 Consolas, monospace; letter-spacing: .09em; }
.hero-meta dd span { display: inline-block; width: 5px; height: 5px; margin: 0 6px 2px 0; border-radius: 50%; background: #55e39d; box-shadow: 0 0 8px #55e39d; }

.signal-console { position: relative; z-index: 2; width: min(100%, 610px); justify-self: end; }
.signal-console::before { content: ""; position: absolute; inset: -14% -14%; z-index: -1; border-radius: 50%; background: radial-gradient(circle, rgba(55,167,255,.1), transparent 63%); filter: blur(18px); }
.console-frame { position: relative; overflow: hidden; background: rgba(6,17,26,.76); border: 1px solid rgba(195,213,224,.23); border-radius: 28px; box-shadow: inset 0 0 80px rgba(55,167,255,.04), 0 40px 100px rgba(0,0,0,.4); backdrop-filter: blur(6px); }
.console-frame::before, .console-frame::after { content: ""; position: absolute; z-index: 3; width: 55px; height: 2px; background: var(--gold); box-shadow: 0 0 12px rgba(225,185,91,.6); }
.console-frame::before { top: -1px; left: 28px; }
.console-frame::after { bottom: -1px; right: 28px; }
.console-head, .console-foot { height: 43px; display: flex; justify-content: space-between; align-items: center; padding: 0 18px; color: #748491; font: 8px/1 Consolas, monospace; letter-spacing: .14em; }
.console-head { border-bottom: 1px solid var(--line); }
.console-foot { border-top: 1px solid var(--line); }
.console-foot i { display: inline-block; width: 5px; height: 5px; margin-right: 6px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.console-screen { display: block; width: 100%; height: auto; overflow: visible; }
.grid-lines { fill: none; stroke: rgba(110,151,178,.25); stroke-width: .7; }
.orbit { fill: none; stroke-width: 1; transform-origin: 320px 278px; }
.orbit-a { stroke: rgba(225,185,91,.57); stroke-dasharray: 4 15; }
.orbit-b { stroke: rgba(55,167,255,.5); stroke-dasharray: 45 8 2 8; }
.rotor { fill: var(--gold); stroke: var(--gold); stroke-width: 1; transform-origin: 320px 278px; }
.rotor-b { fill: var(--blue); stroke: var(--blue); }
.pendulum-assembly { transform-origin: 320px 155px; }
.pendulum-wire { fill: none; stroke: #c6d2d9; stroke-width: 1.4; }
.pendulum-mass { fill: var(--gold); filter: drop-shadow(0 0 12px rgba(225,185,91,.65)); }
.pivot { fill: var(--blue); }
.signal-wave { fill: none; stroke: url(#waveGradient); stroke-width: 2; stroke-linecap: round; }
.signal-wave.glow { stroke-width: 9; opacity: .27; filter: url(#blurGlow); }
.readout { fill: #657985; font: 9px Consolas, monospace; letter-spacing: 1px; }
.readout-value { fill: #c9d4da; font-size: 15px; }
.console-index { position: absolute; right: -35px; bottom: 72px; color: rgba(222,231,236,.14); font: 50px/1 Consolas, monospace; writing-mode: vertical-rl; }
.console-index span { color: var(--gold); }
.scroll-cue { position: absolute; left: 50%; bottom: 24px; display: flex; flex-direction: column; align-items: center; gap: 9px; color: #71808a; font: 8px/1 Consolas, monospace; letter-spacing: .2em; transform: translateX(-50%); }
.scroll-cue i { position: relative; display: block; width: 1px; height: 34px; background: var(--line-strong); overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; left: 0; top: -50%; width: 100%; height: 50%; background: var(--gold); animation: scroll-line 1.8s ease-in-out infinite; }

.signal-strip { overflow: hidden; border-block: 1px solid rgba(225,185,91,.26); background: var(--gold); color: var(--ink); transform: rotate(-.7deg) scale(1.01); }
.strip-track { display: flex; width: max-content; align-items: center; gap: 38px; padding: 14px 0; animation: ticker 24s linear infinite; font: 11px/1 Consolas, monospace; letter-spacing: .2em; }
.strip-track b { font-size: 8px; }

.section-shell { width: min(calc(100% - var(--pad) * 2), var(--max)); margin-inline: auto; }
.experiments { padding-block: clamp(110px, 13vw, 210px); overflow: clip; }
.section-head { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 40px; padding-bottom: 45px; border-bottom: 1px solid var(--line-strong); }
.section-head span, .section-label { color: var(--gold); font: 9px/1 Consolas, monospace; letter-spacing: .22em; }
.section-head h2, .method-copy h2, .about h2 { margin: 16px 0 0; font-family: "Smiley Sans", "Microsoft YaHei", sans-serif; font-size: clamp(52px, 6.2vw, 96px); font-weight: 400; line-height: .92; letter-spacing: .02em; }
.section-head > p { max-width: 500px; justify-self: end; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.experiment-list { display: grid; gap: 14px; }
.experiment-row { --pointer-x: 50%; --pointer-y: 50%; --tilt-x: 0deg; --tilt-y: 0deg; position: relative; display: grid; grid-template-columns: 90px minmax(320px, 1.15fr) minmax(260px, .7fr) 90px; align-items: center; gap: clamp(15px, 3vw, 55px); min-height: 190px; padding-inline: clamp(18px, 2vw, 30px); border: 1px solid var(--line); border-radius: 22px; background: radial-gradient(420px circle at var(--pointer-x) var(--pointer-y), rgba(55,167,255,.085), transparent 58%), rgba(255,255,255,.012); overflow: hidden; isolation: isolate; transform-style: preserve-3d; transition: border-color .3s, transform .26s cubic-bezier(.2,.8,.2,1), box-shadow .3s; }
.experiment-row:hover, .experiment-row:focus-visible { border-color: rgba(225,185,91,.42); transform: perspective(1200px) translateY(-4px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)); box-shadow: 0 26px 70px rgba(0,0,0,.22), inset 0 1px rgba(255,255,255,.025); }
.experiment-row::before { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(55,167,255,.09), transparent 65%); transform: translateX(-102%); transition: transform .55s cubic-bezier(.2,.85,.2,1); }
.experiment-row::after { content: attr(data-signal); position: absolute; z-index: -1; right: 105px; bottom: -25px; color: rgba(255,255,255,.025); font: 900 92px/1 Arial, sans-serif; letter-spacing: -.04em; }
.experiment-row:hover::before, .experiment-row:focus-visible::before { transform: translateX(0); }
.experiment-row:active { transform: perspective(1200px) translateY(0) scale(.99); transition-duration: .09s; }
.experiment-no { color: #53636f; font: 15px/1 Consolas, monospace; }
.experiment-copy { padding: 34px 0; }
.experiment-copy > span { color: var(--blue); font: 8px/1 Consolas, monospace; letter-spacing: .19em; }
.experiment-copy h3 { margin: 15px 0 12px; font-family: "Smiley Sans", "Microsoft YaHei", sans-serif; font-size: clamp(28px, 2.8vw, 43px); font-weight: 400; letter-spacing: .035em; transition: color .3s; }
.experiment-row:hover h3 { color: var(--gold-light); }
.experiment-copy p { margin: 0; max-width: 560px; color: #7f8d97; font-size: 13px; line-height: 1.7; }
.experiment-visual { position: relative; height: 95px; color: var(--gold); }
.experiment-enter { justify-self: end; display: grid; place-items: center; width: 56px; height: 56px; border: 1px solid var(--line-strong); border-radius: 50%; transition: border-color .3s, background .3s, transform .3s; }
.experiment-enter span { position: absolute; opacity: 0; font: 8px/1 Consolas, monospace; letter-spacing: .12em; }
.experiment-enter b { font-size: 20px; font-weight: 400; }
.experiment-row:hover .experiment-enter { color: var(--ink); background: var(--gold); border-color: var(--gold); transform: rotate(45deg); }
.ruler-line { position: absolute; left: 0; right: 0; bottom: 29px; height: 43px; border-bottom: 1px solid var(--gold); display: flex; justify-content: space-around; }
.ruler-line i { display: block; align-self: end; width: 1px; height: 18px; background: var(--gold); }
.ruler-line i:nth-child(odd) { height: 31px; }
.ruler-visual > span, .pendulum-visual > span { position: absolute; right: 0; bottom: 0; color: #74838e; font: 9px/1 Consolas, monospace; letter-spacing: .12em; }
.pendulum-visual > i { position: absolute; left: 48%; top: 5px; width: 1px; height: 60px; background: var(--gold); transform: rotate(17deg); transform-origin: top; transition: transform .55s cubic-bezier(.3,1.4,.5,1); }
.pendulum-visual > b { position: absolute; left: calc(48% + 17px); top: 60px; width: 19px; height: 19px; border: 2px solid var(--gold); border-radius: 50%; box-shadow: 0 0 15px rgba(225,185,91,.3); }
.experiment-row:hover .pendulum-visual > i { transform: rotate(-17deg); }
.wave-visual svg { width: 100%; height: 100%; overflow: visible; }
.wave-visual path { fill: none; stroke: var(--blue); stroke-width: 1.5; stroke-dasharray: 5 4; }
.wave-visual path:last-child { stroke: var(--gold); opacity: .65; }
.meter-visual > div { position: absolute; left: 50%; top: 8px; width: 112px; height: 56px; transform: translateX(-50%); border: 1px solid rgba(225,185,91,.75); border-bottom: 0; border-radius: 112px 112px 0 0; }
.meter-visual i { position: absolute; left: 50%; bottom: 0; width: 1px; height: 50px; background: var(--gold); transform: rotate(-36deg); transform-origin: bottom; transition: transform .55s cubic-bezier(.2,.9,.2,1); }
.meter-visual span { position: absolute; left: calc(50% - 3px); bottom: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.meter-visual > b { position: absolute; left: 50%; bottom: 0; color: #74838e; font: 9px/1 Consolas, monospace; letter-spacing: .2em; transform: translateX(-50%); }
.experiment-row:hover .meter-visual i { transform: rotate(38deg); }

.method { min-height: 820px; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(60px, 8vw, 150px); align-items: center; padding-block: clamp(100px, 12vw, 190px); border-top: 1px solid var(--line); }
.method-visual { min-height: 550px; }
.blueprint { position: relative; overflow: hidden; height: 550px; background-color: #0b1a26; background-image: linear-gradient(rgba(55,167,255,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(55,167,255,.1) 1px, transparent 1px); background-size: 26px 26px; border: 1px solid rgba(55,167,255,.28); border-radius: 30px; }
.blueprint::before { content: "PROCESS MAP / 1:20"; position: absolute; top: 18px; left: 20px; color: rgba(105,213,255,.52); font: 8px/1 Consolas, monospace; letter-spacing: .18em; }
.blueprint svg { position: absolute; inset: 28px 3%; width: 94%; height: calc(100% - 56px); }
.bp-route { fill: none; stroke: var(--gold); stroke-width: 1.5; }
.bp-route.dashed { stroke: var(--blue); stroke-dasharray: 6 7; opacity: .65; }
.bp-nodes { fill: #0b1a26; stroke: var(--gold); stroke-width: 2; }
.bp-label { position: absolute; z-index: 2; padding: 8px 10px; color: var(--ink); background: var(--blue); border-radius: 8px; font: 8px/1 Consolas, monospace; letter-spacing: .1em; }
.bp-label.a { left: 8%; top: 19%; }.bp-label.b { right: 4%; bottom: 23%; background: var(--gold); }
.bp-formula { position: absolute; left: 50%; top: 48%; min-width: 230px; padding: 19px; color: #dbe5ea; background: rgba(6,16,24,.86); border: 1px solid var(--line-strong); border-radius: 14px; font: 18px/1.2 Georgia, serif; transform: translate(-50%, -50%); text-align: center; box-shadow: 0 18px 60px rgba(0,0,0,.38); }
.method-copy h2 { font-size: clamp(52px, 5.7vw, 88px); }
.method-copy > p { max-width: 570px; margin: 30px 0 42px; color: var(--muted); font-size: 15px; line-height: 1.95; }
.method-copy ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.method-copy li { display: grid; grid-template-columns: 66px 1fr; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.method-copy li > i { color: var(--gold); font: normal 11px/1 Consolas, monospace; }
.method-copy li div { display: flex; justify-content: space-between; gap: 15px; }
.method-copy li b { font-size: 16px; font-weight: 560; }
.method-copy li span { color: #74838e; font-size: 12px; }

.about { position: relative; min-height: 650px; display: grid; grid-template-columns: 1.15fr .65fr; align-items: center; gap: 80px; padding-block: clamp(100px, 12vw, 180px); border-top: 1px solid var(--line); overflow: hidden; }
.about h2 { position: relative; z-index: 2; }
.about h2 em { color: var(--gold); font-style: normal; }
.about-copy { position: relative; z-index: 2; align-self: end; margin-bottom: 25px; }
.about-copy > p { color: #98a6af; font-size: 15px; line-height: 1.9; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.about-tags span { padding: 9px 12px; color: #6f818e; border: 1px solid var(--line); border-radius: 999px; font: 8px/1 Consolas, monospace; letter-spacing: .13em; }
.contour { position: absolute; inset: auto 0 20px; opacity: .23; }
.contour svg { display: block; width: 100%; }
.contour path { fill: none; stroke: var(--blue); stroke-width: 1; }

footer { width: min(calc(100% - var(--pad) * 2), var(--max)); min-height: 210px; margin: auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 40px; border-top: 1px solid var(--line-strong); }
.footer-mark { display: flex; align-items: center; gap: 14px; }
.footer-mark svg { width: 40px; }
.footer-mark div { display: grid; gap: 7px; }.footer-mark b { font-size: 13px; letter-spacing: .08em; }.footer-mark span { color: #6e7c86; font-size: 10px; }
.footer-coord { display: grid; gap: 7px; color: #62727d; text-align: center; font: 8px/1 Consolas, monospace; letter-spacing: .16em; }
.footer-links { display: grid; justify-items: end; gap: 9px; font-size: 10px; letter-spacing: .08em; }
.footer-links a { color: #8998a2; transition: color .2s; }.footer-links a:hover { color: var(--gold); }

@keyframes pulse { 0%,100% { transform: scale(.6); opacity: .25; } 50% { transform: scale(1.4); opacity: .7; } }
@keyframes scroll-line { 0% { transform: translateY(0); } 100% { transform: translateY(300%); } }
@keyframes ticker { to { transform: translateX(-50%); } }
@keyframes ambient-turn { to { transform: rotate(360deg); } }
@keyframes orb-breathe-blue { from { scale: .92; translate: 0 0; } to { scale: 1.1; translate: -4% 6%; } }
@keyframes orb-breathe-gold { from { scale: .88; translate: 0 2%; } to { scale: 1.12; translate: 7% -4%; } }
@keyframes orb-float { from { transform: translate3d(-5%, 5%, 0) scale(.9); } to { transform: translate3d(7%, -8%, 0) scale(1.14); } }
@keyframes ring-breathe { from { transform: scale(.93); opacity: .52; } to { transform: scale(1.08); opacity: .9; } }
@keyframes scan-field { 0%, 16% { transform: translateY(-22vh); opacity: 0; } 25% { opacity: .6; } 70% { opacity: .25; } 84%,100% { transform: translateY(108vh); opacity: 0; } }
@keyframes landscape-breathe { from { opacity: .5; transform: scale(.96); } to { opacity: .88; transform: scale(1.045); } }
@keyframes river-breathe { from { opacity: .5; transform: translate3d(-5px, 4px, 0) scale(.985); } to { opacity: .88; transform: translate3d(7px, -3px, 0) scale(1.018); } }
@keyframes sun-breathe { from { opacity: .56; transform: scale(.96); } to { opacity: .82; transform: scale(1.04); } }

.tap-ripple { position: absolute; z-index: 5; width: 12px; height: 12px; margin: -6px 0 0 -6px; border: 1px solid rgba(255,255,255,.68); border-radius: 50%; background: rgba(255,255,255,.16); pointer-events: none; animation: tap-ripple .58s cubic-bezier(.2,.75,.25,1) forwards; }
@keyframes tap-ripple { to { width: 190px; height: 190px; margin: -95px 0 0 -95px; opacity: 0; } }

@media (pointer: fine) and (prefers-reduced-motion: no-preference) { .cursor-scope { display: block; } }

@media (max-width: 1100px) {
  .main-nav { display: none; }
  .site-header { grid-template-columns: 1fr 1fr; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 155px; gap: 80px; }
  .hero-copy { padding-right: clamp(20px, 5vw, 70px); }
  .signal-console { width: min(82%, 650px); justify-self: center; margin-bottom: 75px; }
  .scroll-cue { display: none; }
  .experiment-row { grid-template-columns: 60px 1fr minmax(200px,.65fr) 64px; }
  .method { grid-template-columns: 1fr; }
  .method-visual { min-height: 480px; }
  .blueprint { height: 480px; }
  .about { grid-template-columns: 1fr; gap: 30px; }
  .about-copy { max-width: 600px; }
  footer { grid-template-columns: 1fr 1fr; }
  .footer-coord { display: none; }
}

@media (max-width: 720px) {
  :root { --pad: 20px; }
  body::before { background-size: 38px 38px; }
  .landscape-field { opacity: .86; }
  .landscape-field svg { width: 150%; margin-left: -30%; }
  .site-header { height: 75px; }
  .brand { gap: 9px; }.brand-symbol { width: 32px; height: 32px; }.brand b { font-size: 13px; }.brand small { font-size: 6px; }
  .profile { gap: 8px; padding-right: 0; }.profile > span:nth-child(2) { display: none; }.profile-pulse { width: 7px; height: 7px; }.profile svg { width: 15px; }
  .profile-menu { top: calc(100% + 23px); right: 0; width: min(255px, calc(100vw - 40px)); }
  .hero { padding: 118px var(--pad) 62px; gap: 60px; }
  .hero::before { inset: 75px var(--pad) 0; }
  .hero-coordinate { display: none; }
  .hero-copy { padding: 0 10px; }
  .hero-kicker { font-size: 9px; margin-bottom: 22px; }.hero-kicker span { font-size: 8px; padding: 6px 8px; }
  .hero h1 { font-size: clamp(58px, 17.3vw, 82px); line-height: .88; }
  .title-line.accent i { -webkit-text-stroke-width: 1px; }
  .hero-intro { margin: 25px 0; font-size: 13px; line-height: 1.8; }.hero-intro br { display: none; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }.action { min-width: 0; height: 50px; padding-inline: 13px; font-size: 11px; }.action i { width: 25px; height: 25px; }
  .hero-meta { margin-top: 38px; }.hero-meta div { min-width: 0; flex: 1; padding-right: 5px; }.hero-meta dt { font-size: 7px; }.hero-meta dd { font-size: 10px; }
  .signal-console { width: calc(100% - 12px); margin: 0 6px 10px; }
  .console-head, .console-foot { height: 36px; padding-inline: 12px; font-size: 6px; }.console-index { right: -21px; bottom: 55px; font-size: 32px; }
  .signal-strip { transform: rotate(-1.2deg) scale(1.02); }.strip-track { padding: 12px 0; gap: 28px; font-size: 9px; }
  .experiments { padding-block: 100px; }
  .section-head { grid-template-columns: 1fr; gap: 24px; padding-bottom: 31px; }.section-head h2, .method-copy h2, .about h2 { font-size: clamp(50px, 14vw, 66px); }.section-head > p { justify-self: start; font-size: 12px; }
  .experiment-row { grid-template-columns: 38px 1fr 44px; gap: 12px; min-height: 165px; padding: 17px 12px; border-radius: 18px; }
  .experiment-row::after { right: 35px; font-size: 58px; }
  .experiment-copy { padding: 17px 0; }.experiment-copy > span { font-size: 7px; }.experiment-copy h3 { margin: 11px 0 9px; font-size: 29px; }.experiment-copy p { font-size: 11px; line-height: 1.6; }
  .experiment-visual { display: none; }.experiment-enter { width: 41px; height: 41px; }.experiment-enter b { font-size: 17px; }.experiment-no { align-self: start; padding-top: 23px; font-size: 10px; }
  .method { padding-block: 95px; gap: 65px; }.method-visual { min-height: 365px; }.blueprint { height: 365px; }.bp-formula { min-width: 190px; padding: 15px; font-size: 14px; }.bp-label { font-size: 6px; }
  .method-copy > p { font-size: 13px; margin: 24px 0 34px; }.method-copy li { grid-template-columns: 45px 1fr; padding: 19px 0; }.method-copy li div { display: grid; gap: 6px; }.method-copy li b { font-size: 14px; }.method-copy li span { font-size: 10px; }
  .about { min-height: 570px; padding-block: 95px; }.about h2 br { display: none; }.about-copy > p { font-size: 13px; }.about-tags span { font-size: 6px; }
  footer { min-height: 250px; grid-template-columns: 1fr; align-content: center; gap: 35px; }.footer-links { justify-items: start; }.footer-mark span { line-height: 1.5; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  #signalField, .cursor-scope, .ambient-scan { display: none !important; }
  .ambient-field { opacity: .45; }
  .landscape-horizon, .landscape-river, .landscape-sun { animation: none; }
  .landscape-far, .landscape-mid { transform: none; transition: none; }
  .experiment-row:hover, .experiment-row:focus-visible { transform: none; }
}

:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }
[hidden] { display: none !important; }