@font-face {
  font-family: "ITVL Manrope";
  src: url("/user/pages/01.home/Manrope-Variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

html { font-size: 100% !important; scroll-behavior: smooth; scrollbar-color: #4f7894 #0b2436; scrollbar-width: thin; background: #0a2234; }
body { margin: 0; overflow-x: hidden; background: #0a2234; }
body::-webkit-scrollbar { width: .72rem; }
body::-webkit-scrollbar-track { background: #0b2436; }
body::-webkit-scrollbar-thumb { background: #4f7894; border: 2px solid #0b2436; border-radius: 999px; }

.itvl-subpage,
.itvl-subpage *,
.itvl-subpage *::before,
.itvl-subpage *::after { box-sizing: border-box; }

.itvl-subpage {
  --blue: #1768df;
  --blue-dark: #0b4eaf;
  --teal: #20a6a2;
  --teal-light: #7bd2ca;
  --canvas: #0f2d44;
  --canvas-deep: #0a2234;
  --canvas-soft: #143750;
  --panel: #1b4059;
  --panel-raised: #25506a;
  --on-night: #f4f8fc;
  --on-night-muted: #b9cad7;
  --on-night-soft: #91a9bb;
  --line: rgba(183, 220, 241, .14);
  --line-strong: rgba(183, 220, 241, .25);
  --shadow: 0 32px 78px rgba(3, 10, 17, .3);
  --container: 75rem;
  --reading: 48rem;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  min-height: 100vh;
  color: var(--on-night);
  background: var(--canvas);
  font-family: "ITVL Manrope", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow: clip;
}

.itvl-subpage ::selection { color: #fff; background: var(--blue); }
.itvl-subpage :focus-visible { outline: 2px solid #fff; outline-offset: 2px; box-shadow: 0 0 0 5px var(--blue-dark); }
.itvl-subpage a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .22em; }
.itvl-subpage img, .itvl-subpage svg { display: block; max-width: 100%; }
.itvl-subpage h1, .itvl-subpage h2, .itvl-subpage h3,
.itvl-subpage p, .itvl-subpage li, .itvl-subpage a,
.itvl-subpage span, .itvl-subpage strong, .itvl-subpage dt,
.itvl-subpage dd { font-family: inherit; }
.itvl-container { width: min(calc(100% - 3rem), var(--container)); margin-inline: auto; }

.itvl-skip-link {
  position: fixed;
  z-index: 1000;
  top: .75rem;
  left: .75rem;
  padding: .8rem 1rem;
  color: #fff;
  background: var(--canvas-deep);
  border: 1px solid var(--line-strong);
  border-radius: .65rem;
  transform: translateY(-160%);
  transition: transform 180ms var(--ease-out);
}
.itvl-skip-link:focus { transform: translateY(0); }

.itvl-header {
  position: sticky;
  z-index: 100;
  top: 0;
  padding-top: env(safe-area-inset-top);
  color: var(--on-night);
  background: rgba(10, 31, 47, .92);
  border-bottom: 1px solid rgba(183, 220, 241, .15);
  box-shadow: 0 16px 40px rgba(3, 10, 17, .28);
  backdrop-filter: blur(20px) saturate(115%);
}
.itvl-header-inner {
  min-height: 4.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.itvl-brand { display: inline-flex; align-items: center; gap: .8rem; min-width: 0; color: var(--on-night); text-decoration: none; }
.itvl-brand-mark { width: 2rem; height: 2rem; flex: 0 0 auto; display: grid; place-items: center; }
.itvl-brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.itvl-brand-copy { display: grid; line-height: 1.18; }
.itvl-brand-name { font-size: .82rem; font-weight: 720; letter-spacing: -.01em; }
.itvl-brand-subtitle { margin-top: .12rem; color: #7f8993; font-size: .7rem; font-weight: 580; letter-spacing: .025em; }
.itvl-header-actions { display: flex; align-items: center; gap: .45rem; }
.itvl-button {
  min-height: 2.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .67rem .88rem;
  color: #c8d7e1;
  background: rgba(8, 31, 50, .44);
  border: 1px solid rgba(198, 222, 237, .3);
  border-radius: .6rem;
  font-size: .8rem;
  font-weight: 680;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 120ms var(--ease-out), color 180ms var(--ease-out), background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}
.itvl-button--primary { color: #fff !important; background: var(--blue); border-color: var(--blue); box-shadow: 0 12px 28px rgba(0, 5, 14, .34); }
.itvl-button:active { transform: scale(.97); }

.itvl-hero {
  position: relative;
  isolation: isolate;
  color: var(--on-night);
  background: radial-gradient(ellipse at 75% 64%, rgba(35, 79, 112, .32), transparent 34rem), var(--canvas);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.itvl-hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: .28;
  background-image: linear-gradient(rgba(142, 161, 176, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(142, 161, 176, .07) 1px, transparent 1px);
  background-size: 5rem 5rem;
  mask-image: radial-gradient(ellipse at 70% 58%, #000 0, transparent 72%);
}
.itvl-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 46rem;
  height: 20rem;
  right: -13rem;
  bottom: -11rem;
  background: radial-gradient(ellipse, rgba(23, 104, 223, .2), rgba(11, 146, 143, .06) 36%, transparent 70%);
  filter: blur(.6rem);
}
.itvl-hero-inner {
  min-height: 31rem;
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(15rem, 4fr);
  align-items: end;
  gap: 4rem;
  padding-block: clamp(6rem, 10vw, 9rem) clamp(4.5rem, 7vw, 6.5rem);
}
.itvl-hero-copy { max-width: 52rem; }
.itvl-hero h1 {
  max-width: 14ch;
  margin: 0;
  color: #fff;
  font-size: clamp(3.35rem, 7vw, 5.75rem);
  font-weight: 760;
  line-height: .96;
  letter-spacing: -.04em;
  text-wrap: balance;
}
.itvl-hero-lead { max-width: 42rem; margin: 1.55rem 0 0; color: #a9b8c3; font-size: clamp(1rem, 1.6vw, 1.16rem); line-height: 1.7; }
.itvl-hero-meta { align-self: end; margin: 0; padding: 0 0 .45rem 1.5rem; border-left: 1px solid var(--line-strong); }
.itvl-hero-meta dt { color: #7e9ab0; font-size: .7rem; font-weight: 720; letter-spacing: .055em; text-transform: uppercase; }
.itvl-hero-meta dd { margin: .35rem 0 0; color: #f4f8fc; font-size: .92rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.itvl-signal { position: absolute; right: max(3rem, calc((100vw - var(--container)) / 2)); bottom: 1.6rem; width: min(24rem, 30vw); height: 2.3rem; opacity: .62; }
.itvl-signal path { fill: none; stroke-linecap: round; }
.itvl-signal-track { stroke: rgba(126, 166, 193, .26); stroke-width: 1; }
.itvl-signal-live { stroke: var(--teal-light); stroke-width: 1.5; stroke-dasharray: 520; stroke-dashoffset: 520; animation: itvl-draw 1050ms 160ms var(--ease-out) forwards; }
@keyframes itvl-draw { to { stroke-dashoffset: 0; } }

.itvl-main {
  position: relative;
  color: var(--on-night);
  background:
    radial-gradient(ellipse at 10% 12%, rgba(37, 80, 106, .28), transparent 31rem),
    linear-gradient(180deg, var(--canvas-soft), var(--canvas) 30%, var(--canvas-deep));
}
.itvl-main::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .15;
  background-image: linear-gradient(rgba(151, 188, 212, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(151, 188, 212, .045) 1px, transparent 1px);
  background-size: 6rem 6rem;
  mask-image: linear-gradient(#000, transparent 35%);
}
.itvl-page-body { position: relative; padding-block: clamp(5.5rem, 9vw, 9rem); }
.itvl-reading-layout { display: grid; grid-template-columns: minmax(12rem, 15rem) minmax(0, var(--reading)); justify-content: space-between; gap: clamp(3rem, 8vw, 8rem); }
.itvl-toc { position: sticky; top: 7rem; align-self: start; }
.itvl-toc h2 { margin: 0 0 1rem; color: #e6f0f6; font-size: .88rem; font-weight: 740; letter-spacing: -.01em; }
.itvl-toc ol { margin: 0; padding: 0; border-top: 1px solid var(--line-strong); list-style: none; counter-reset: toc; }
.itvl-toc li { counter-increment: toc; border-bottom: 1px solid var(--line); }
.itvl-toc a { display: grid; grid-template-columns: 1.8rem minmax(0, 1fr); gap: .35rem; padding: .78rem 0; color: #a9becd; font-size: .8rem; font-weight: 620; line-height: 1.4; text-decoration: none; transition: color 160ms var(--ease-out), transform 160ms var(--ease-out); }
.itvl-toc a::before { content: counter(toc, decimal-leading-zero); color: #7bd2ca; font-size: .67rem; font-weight: 760; font-variant-numeric: tabular-nums; }

.itvl-reading { min-width: 0; padding: clamp(2rem, 4vw, 3.4rem); background: linear-gradient(145deg, rgba(27, 64, 89, .88), rgba(15, 45, 68, .94)); border: 1px solid rgba(183, 220, 241, .16); border-radius: 1.45rem; box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .055); }
.itvl-section-block { padding: 0 0 clamp(3.2rem, 6vw, 4.8rem); scroll-margin-top: 7rem; }
.itvl-section-block:last-child { padding-bottom: 0; }
.itvl-section-block + .itvl-section-block { padding-top: clamp(3.2rem, 6vw, 4.8rem); border-top: 1px solid var(--line-strong); }
.itvl-section-content h2 { max-width: 25ch; margin: 0 0 1.25rem; color: #f7fbfd; font-size: clamp(1.7rem, 3vw, 2.35rem); font-weight: 750; line-height: 1.15; letter-spacing: -.035em; text-wrap: balance; }
.itvl-section-content h3 { margin: 2.5rem 0 .7rem; color: #e9f2f7; font-size: 1.16rem; font-weight: 730; letter-spacing: -.02em; }
.itvl-section-content p { max-width: 66ch; margin: 0 0 1.15rem; color: #c5d5df; }
.itvl-section-content p:last-child { margin-bottom: 0; }
.itvl-section-content strong { color: #f5fafc; }
.itvl-section-content a { color: #9cc5ff; font-weight: 650; }
.itvl-list { margin: .85rem 0 1.3rem; padding: 0; list-style: none; }
.itvl-list li { position: relative; padding: .68rem 0 .68rem 1.45rem; color: #c5d5df; border-bottom: 1px solid var(--line); }
.itvl-list li::before { content: ""; position: absolute; left: 0; top: 1.36rem; width: .44rem; height: .44rem; background: var(--teal-light); border-radius: 50%; box-shadow: 0 0 0 .25rem rgba(123, 210, 202, .07); }
.itvl-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 1.7rem 0; background: rgba(7, 30, 47, .34); border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.itvl-fact { min-width: 0; padding: 1.15rem; }
.itvl-fact + .itvl-fact { border-left: 1px solid var(--line); }
.itvl-fact span { display: block; color: #8da9bc; font-size: .68rem; font-weight: 690; letter-spacing: .045em; text-transform: uppercase; }
.itvl-fact strong { display: block; margin-top: .35rem; color: #eef6fa; font-size: .84rem; line-height: 1.45; }
.itvl-note { margin: 1.7rem 0 0; padding: 1.15rem 1.25rem; color: #d8efea !important; background: rgba(23, 93, 83, .42); border: 1px solid rgba(123, 210, 202, .28); border-radius: .7rem; font-size: .91rem; }

.itvl-overview { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: clamp(2.5rem, 7vw, 6rem); margin-bottom: clamp(5rem, 9vw, 8rem); padding-bottom: clamp(4rem, 8vw, 7rem); border-bottom: 1px solid var(--line-strong); }
.itvl-overview-title { margin: 0; color: #fff; font-size: clamp(2.35rem, 4.6vw, 4rem); font-weight: 750; line-height: 1.03; letter-spacing: -.04em; text-wrap: balance; }
.itvl-overview-copy p { max-width: 66ch; margin: 0 0 1.15rem; color: #bdced9; font-size: 1.02rem; }
.itvl-disclosure { display: flex; align-items: center; gap: .75rem; margin-top: 1.5rem; color: #e9f4f7; font-size: .86rem; font-weight: 710; }
.itvl-disclosure::before { width: .55rem; height: .55rem; flex: 0 0 auto; border-radius: 50%; background: var(--teal-light); box-shadow: 0 0 0 .3rem rgba(123, 210, 202, .08); content: ""; }

.itvl-identity-grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 0; margin-bottom: clamp(5rem, 9vw, 8rem); overflow: hidden; background: rgba(27, 64, 89, .62); border: 1px solid rgba(183, 220, 241, .16); border-radius: 1.45rem; box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .055); }
.itvl-identity { padding: clamp(2.2rem, 4vw, 3.2rem); color: var(--on-night); background: linear-gradient(145deg, rgba(9, 35, 54, .98), rgba(19, 56, 80, .94)); border-right: 1px solid var(--line); }
.itvl-identity h2 { margin: 0 0 1.2rem; color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1.1; letter-spacing: -.035em; }
.itvl-identity p { margin: 0 0 1rem; color: #c5d5e1; }
.itvl-identity strong { color: #f4f8fc; }
.itvl-contact { padding: clamp(2.2rem, 4vw, 3.2rem); }
.itvl-contact h2 { margin: 0 0 1.2rem; color: #fff; font-size: clamp(1.55rem, 3vw, 2.2rem); letter-spacing: -.03em; }
.itvl-details { margin: 0; border-top: 1px solid var(--line-strong); }
.itvl-details > div { display: grid; grid-template-columns: minmax(6rem, .55fr) minmax(0, 1fr); gap: 1.25rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.itvl-details dt { color: #8fa7b9; font-size: .8rem; font-weight: 680; }
.itvl-details dd { min-width: 0; margin: 0; color: #f0f7fa; font-weight: 680; overflow-wrap: anywhere; }
.itvl-details a { color: #9cc5ff; }
.itvl-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(3rem, 8vw, 7rem); }
.itvl-pair > section { padding-top: 1.7rem; border-top: 1px solid var(--line-strong); }
.itvl-pair h2 { margin: 0 0 1rem; color: #fff; font-size: clamp(1.5rem, 2.7vw, 2.1rem); letter-spacing: -.03em; }
.itvl-pair p { max-width: 60ch; margin: 0 0 1rem; color: #bdced9; }
.itvl-pair strong { color: #f4f8fc; }
.itvl-pair a { color: #9cc5ff; font-weight: 650; }

.itvl-footer { padding-block: 4rem 1.5rem; color: #b9cbd6; background: #0a2335; border-top: 1px solid rgba(255, 255, 255, .11); }
.itvl-footer-brand { width: min(100%, 28rem); display: grid; justify-items: center; text-align: center; }
.itvl-footer .itvl-brand { justify-content: center; color: #fff; }
.itvl-footer .itvl-brand-subtitle { color: #8fa7b9; }
.itvl-footer-grid { display: grid; grid-template-columns: 1.5fr .55fr .55fr; gap: 4rem; }
.itvl-footer-brand > p { max-width: 28rem; margin: 1.2rem auto 0; color: #8fa7b9; font-size: .86rem; }
.itvl-footer-title { margin: 0 0 1rem; color: #fff; font-size: .82rem; font-weight: 740; }
.itvl-footer-links { display: grid; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.itvl-footer-links a,
.itvl-footer-links a:link,
.itvl-footer-links a:visited { width: fit-content; color: #9eb1c0 !important; font-size: .82rem; text-decoration-color: transparent; transition: color 160ms var(--ease-out), text-decoration-color 160ms var(--ease-out); }
.itvl-footer-links a[aria-current="page"] { color: var(--teal-light) !important; }
.itvl-footer-bottom { display: flex; align-items: center; gap: 1rem 2rem; margin-top: 3.3rem; padding-top: 1.25rem; color: #728b9d; border-top: 1px solid #173047; font-size: .73rem; }
.itvl-footer-bottom a,
.itvl-footer-bottom a:link,
.itvl-footer-bottom a:visited { color: #9eb1c0 !important; }
.itvl-ai-disclosure { display: inline-flex; align-items: center; gap: .5rem; }
.itvl-ai-disclosure::before { width: .42rem; height: .42rem; border-radius: 50%; background: var(--teal-light); content: ""; }
.itvl-footer-top { display: inline-flex; align-items: center; gap: .4rem; margin-left: auto; text-decoration: none; }
.itvl-footer-top svg { width: .9rem; height: .9rem; }

@media (hover: hover) and (pointer: fine) {
  .itvl-button:hover { color: #fff; background: rgba(255, 255, 255, .07); border-color: rgba(222, 239, 248, .62); transform: translateY(-1px); }
  .itvl-button--primary:hover { color: #fff !important; background: var(--blue-dark); border-color: var(--blue-dark); box-shadow: 0 14px 34px rgba(0, 5, 14, .46); }
  .itvl-toc a:hover { color: #fff; transform: translateX(.16rem); }
  .itvl-section-content a:hover, .itvl-details a:hover, .itvl-pair a:hover { color: #c6dcff; }
  .itvl-footer-links a:hover, .itvl-footer-bottom a:hover { color: #fff !important; text-decoration-color: currentColor; }
}

@media (max-width: 64rem) {
  .itvl-reading-layout { grid-template-columns: 12rem minmax(0, 1fr); gap: 4rem; }
  .itvl-hero-inner { grid-template-columns: minmax(0, 1fr) 13rem; }
}

@media (max-width: 54rem) {
  .itvl-container { width: min(calc(100% - 2rem), var(--container)); }
  .itvl-hero-inner { min-height: 28rem; grid-template-columns: 1fr; gap: 2.5rem; }
  .itvl-hero-meta { padding-left: 0; border-left: 0; }
  .itvl-reading-layout { grid-template-columns: 1fr; gap: 3.5rem; }
  .itvl-toc { position: static; }
  .itvl-toc ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .itvl-toc li:nth-child(odd) { padding-right: 1.25rem; }
  .itvl-toc li:nth-child(even) { padding-left: 1.25rem; border-left: 1px solid var(--line); }
  .itvl-overview, .itvl-identity-grid { grid-template-columns: 1fr; }
  .itvl-identity { border-right: 0; border-bottom: 1px solid var(--line); }
  .itvl-footer-grid { grid-template-columns: 1.25fr .75fr .75fr; gap: 2.5rem; }
}

@media (max-width: 42rem) {
  .itvl-container { width: min(calc(100% - 1.5rem), var(--container)); }
  .itvl-header-inner { min-height: 4.25rem; gap: .75rem; }
  .itvl-brand-mark { width: 1.85rem; height: 1.85rem; }
  .itvl-brand-name { max-width: 12rem; font-size: .76rem; }
  .itvl-brand-subtitle { display: none; }
  .itvl-header-actions { gap: .35rem; }
  .itvl-button { min-height: 2.65rem; padding-inline: .7rem; font-size: .75rem; }
  .itvl-hero-inner { min-height: 25rem; padding-block: 4.8rem 3.9rem; }
  .itvl-hero h1 { font-size: clamp(2.75rem, 14vw, 4.1rem); }
  .itvl-hero-lead { font-size: 1rem; }
  .itvl-signal { display: none; }
  .itvl-page-body { padding-block: 4.6rem; }
  .itvl-toc ol { grid-template-columns: 1fr; }
  .itvl-toc li:nth-child(odd), .itvl-toc li:nth-child(even) { padding-inline: 0; border-left: 0; }
  .itvl-reading { margin-inline: -.15rem; padding: 1.65rem 1.2rem; border-radius: 1rem; }
  .itvl-facts { grid-template-columns: 1fr; }
  .itvl-fact { padding: 1rem 0; }
  .itvl-fact + .itvl-fact { border-top: 1px solid var(--line); border-left: 0; }
  .itvl-overview { gap: 2rem; }
  .itvl-pair { grid-template-columns: 1fr; }
  .itvl-details > div { grid-template-columns: 1fr; gap: .3rem; }
  .itvl-footer-grid { grid-template-columns: 1fr; gap: 2.3rem; }
  .itvl-footer-brand { margin-inline: auto; }
  .itvl-footer-links a { min-height: 2.75rem; display: flex; align-items: center; }
  .itvl-footer-bottom { align-items: flex-start; flex-direction: column; }
  .itvl-footer-top { margin-left: 0; }
}

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