:root {
  color-scheme: dark;
  font: 16px/1.5 "Inter", system-ui, sans-serif;
  color: #eef4ff;
  background: #0d1118;
  --surface: #151e2b;
  --border: #34445c;
  --accent: #9ac5ff;
  --muted: #acbacd;
}
* { box-sizing: border-box; }
body { margin: 0; }
[hidden] { display: none !important; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem max(1.25rem, calc((100% - 64rem) / 2));
  border-bottom: 1px solid var(--border);
}
.brand, .account, .actions { display: flex; align-items: center; gap: .75rem; }
.account, .actions { flex-wrap: wrap; }
.brand { color: inherit; text-decoration: none; font-weight: 750; }
.brand img { width: 2rem; height: 2rem; }
main { max-width: 66.5rem; margin: 0 auto; padding: clamp(2rem, 7vw, 5rem) 1.25rem; }
h1 { margin: 0 0 1rem; font-size: clamp(1.9rem, 5vw, 3.5rem); line-height: 1.1; }
.muted { color: var(--muted); }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: .55rem .95rem;
  border: 1px solid transparent;
  border-radius: .65rem;
  background: var(--accent);
  color: #111d30;
  cursor: pointer;
  font: inherit;
  font-weight: 650;
  text-decoration: none;
}
.button.secondary { border-color: var(--border); background: var(--surface); color: inherit; }
.button.secondary.active { border-color: var(--accent); }
.button:disabled { opacity: .6; cursor: default; }
.modules { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 20rem)); gap: 1rem; padding: 0; list-style: none; }
.module {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.5rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: .85rem;
  background: var(--surface);
  color: inherit;
  font-weight: 700;
  text-decoration: none;
}
.module:hover { border-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.login { max-width: 29rem; }
.login form, .login label { display: grid; gap: .5rem; }
.login form { gap: 1rem; margin-top: 1.5rem; }
.login form button { justify-content: center; }
.login input {
  width: 100%;
  min-height: 2.75rem;
  padding: .55rem .75rem;
  border: 1px solid var(--border);
  border-radius: .65rem;
  background: var(--surface);
  color: inherit;
  font: inherit;
}

.platform-home {
  --page-width: 76rem;
  --page-gutter: clamp(1.25rem, 4.3vw, 3.5rem);
  --home-border: #28374f;
  --home-muted: #a3b3cd;
  background: #0c111b;
}
.platform-home .site-header {
  min-height: 5rem;
  padding: .8rem max(var(--page-gutter), calc((100% - var(--page-width)) / 2));
  background: #131b2a;
  border-color: var(--home-border);
}
.platform-home .brand { font-size: 1.23rem; letter-spacing: -.025em; }
.platform-home .brand img { width: 2.45rem; height: 2.45rem; padding: .22rem; border-radius: .72rem; background: #1b2c43; }
.header-actions { display: flex; align-items: center; gap: clamp(.8rem, 3vw, 2rem); }
.nav-link, .register-link, .home-footer a { color: #bed0e8; text-decoration: none; }
.nav-link:hover, .register-link:hover, .home-footer a:hover { color: #fff; text-decoration: underline; text-underline-offset: .22em; }
.platform-home .button { justify-content: center; gap: .8rem; }
.platform-home .button.secondary { background: transparent; border-color: #3a4a65; }
.platform-home .button.secondary:hover { background: #1c2a40; border-color: #5f7b9f; }
.platform-home .home-main { max-width: none; margin: 0; padding: 0; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  align-items: center;
  gap: clamp(.5rem, 2vw, 2rem);
  min-height: 33rem;
  padding: clamp(3rem, 6.5vw, 6rem) max(var(--page-gutter), calc((100% - var(--page-width)) / 2));
  background: radial-gradient(ellipse at 77% 45%, #17243a 0%, transparent 51%), linear-gradient(120deg, #131d2d, #0e1422 75%);
  border-bottom: 1px solid var(--home-border);
}
.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5.5vw, 5.15rem);
  line-height: .99;
  letter-spacing: -.062em;
}
.hero h1 span { display: block; color: #9ec5ff; }
.hero-copy p { max-width: 36ch; margin: 1.6rem 0 1.9rem; color: var(--home-muted); font-size: clamp(1rem, 1.55vw, 1.22rem); }
.hero .actions { column-gap: 1.15rem; row-gap: .7rem; }
.hero .primary { min-height: 3.3rem; padding: .75rem 1.05rem; background: #9ec5ff; text-align: center; }
.hero .primary:hover { background: #bed8ff; }
.register-link { font-size: .88rem; }
.orbit { position: relative; width: 100%; max-width: 32rem; aspect-ratio: 1.26; margin-inline: auto; isolation: isolate; }
.orbit-line {
  position: absolute;
  inset: 15% 4%;
  border: 1px solid #354865;
  border-radius: 50%;
  transform: rotate(30deg);
}
.orbit-line-two { transform: rotate(-27deg); }
.orbit-line-three { inset: 7% 20%; border-color: #293951; transform: rotate(-9deg); }
.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 26%;
  aspect-ratio: 1;
  place-items: center;
  transform: translate(-50%, -50%);
  background: #192b44;
  border: 1px solid #405575;
  border-radius: 27%;
  box-shadow: 0 0 3rem #5998ff24;
}
.orbit-core img { width: 65%; }
.orbit-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .45rem .82rem .45rem .45rem;
  border: 1px solid #3a4a63;
  border-radius: .9rem;
  background: #151f30;
  font-weight: 700;
  font-size: clamp(.83rem, 1.5vw, 1.05rem);
  box-shadow: 0 .5rem 1.4rem #060a1266;
}
.orbit-node img { width: clamp(2rem, 4vw, 2.65rem); height: auto; }
.orbit-finance { left: 1%; bottom: 17%; }
.orbit-chat { right: 0; top: 16%; }
.orbit-mail { right: 2%; bottom: 1%; }
.applications, .workspace { max-width: calc(var(--page-width) + 2 * var(--page-gutter)); margin: auto; padding: clamp(2rem, 5vw, 4.25rem) var(--page-gutter); }
.applications h2 { margin: 0 0 1.2rem; font-size: clamp(1.45rem, 2.8vw, 2.1rem); letter-spacing: -.035em; }
.application-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.application-card {
  display: flex;
  flex-direction: column;
  padding: clamp(1rem, 2.4vw, 1.6rem);
  border: 1px solid var(--home-border);
  border-radius: 1rem;
  background: #131c2b;
}
.finance-card { border-color: #34564f; background: linear-gradient(145deg, #182931, #131c2b 60%); }
.chat-card { --feature-accent: #a7c8ff; }
.mail-card { --feature-accent: #d8bfff; }
.application-heading { display: flex; align-items: center; gap: .85rem; }
.app-icon { flex: none; width: 3.1rem; height: 3.1rem; }
.application-heading h3 { margin: 0; font-size: 1.22rem; letter-spacing: -.02em; }
.application-heading .app-state { margin: .1rem 0 0; color: #bec8da; font-size: .78rem; }
.application-heading .available { color: #a7e6d4; }
.application-card > p { margin: 1rem 0 .75rem; color: var(--home-muted); }
.feature-list { display: grid; gap: .35rem; margin: 0 0 .8rem; padding-left: 1.15rem; font-size: .9rem; }
.feature-list li::marker { color: var(--feature-accent, #9ce7d2); }
.mail-address { white-space: nowrap; color: #e3d4ff; }
.finance-link { align-self: flex-start; margin-top: auto; padding-top: .5rem; color: #adebd9; font-weight: 650; text-decoration: none; }
.finance-link:hover { text-decoration: underline; text-underline-offset: .2em; }
.home-status { max-width: var(--page-width); margin: 0 auto; padding: .4rem var(--page-gutter) 1.2rem; }
.home-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.1rem max(var(--page-gutter), calc((100% - var(--page-width)) / 2)); border-top: 1px solid var(--home-border); color: var(--home-muted); font-size: .87rem; }
.workspace { min-height: 45vh; }
.workspace .module { gap: 1rem; }
.workspace .module .app-icon { width: 2.8rem; height: 2.8rem; }
.module-name { flex: 1; }
@media (max-width: 52rem) {
  .application-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero h1 { font-size: clamp(2.35rem, 6.2vw, 3.8rem); }
}
@media (max-width: 40rem) {
  .hero { grid-template-columns: 1fr; min-height: 0; gap: 1.5rem; padding-block: 2.75rem 1.8rem; }
  .hero h1 { font-size: clamp(2rem, 9.2vw, 3.7rem); }
  .orbit { max-width: 24rem; }
}
@media (max-width: 34rem) {
  .application-grid { grid-template-columns: 1fr; }
}
@media (max-width: 24rem) {
  .header-actions .nav-link { display: none; }
  .platform-home .site-header { min-height: 4.25rem; }
  .platform-home .brand { font-size: 1.07rem; }
  .platform-home .brand img { width: 2.15rem; height: 2.15rem; }
}