:root {
  --about-bg: #06141b;
  --about-line: rgba(166, 217, 224, .2);
  --about-line-strong: rgba(112, 237, 240, .62);
  --about-text: #edf8f6;
  --about-body: #b8ccca;
  --about-muted: #789497;
  --about-cyan: #70edf0;
  --about-cyan-soft: #c8fdff;
  --about-amber: #f5bd55;
  --about-purple: #a98cff;
  --about-purple-bright: #d1c2ff;
  --about-purple-deep: #7657d9;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  background: var(--about-bg);
}

body.about-page {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--about-text);
  background:
    linear-gradient(180deg, rgba(2, 12, 16, .68), rgba(3, 15, 20, .88) 36rem, rgba(3, 12, 16, .98)),
    url("../../../Image/Landing/landing-hero-world-tree-1920.webp") center top / cover fixed no-repeat,
    var(--about-bg);
  font-family: "Exo", system-ui, sans-serif;
  line-height: 1.6;
}

body.about-page::before {
  position: fixed;
  z-index: 0;
  inset: 0;
  opacity: .42;
  background:
    linear-gradient(rgba(117, 195, 201, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(117, 195, 201, .03) 1px, transparent 1px),
    radial-gradient(circle at 50% 0, transparent 0 24rem, rgba(0, 6, 9, .36) 58rem);
  background-size: 42px 42px, 42px 42px, auto;
  content: "";
  pointer-events: none;
}

body.about-page a { color: var(--about-cyan); }
body.about-page a:focus-visible { outline: 2px solid var(--about-amber); outline-offset: 4px; }

.about-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 2rem), 1440px);
  margin-inline: auto;
}

.about-main { padding: 2.3rem 0 6rem; }

.about-breadcrumbs {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: 2.2rem;
  color: var(--about-muted);
  font-size: .72rem;
  letter-spacing: .04em;
}

.about-breadcrumbs a { color: var(--about-cyan); text-decoration: none; }
.about-breadcrumbs a:hover { color: #fff; }

.about-hero {
  position: relative;
  display: block;
  padding: .9rem 0 3.3rem;
  border-top: 1px solid var(--about-line-strong);
  border-bottom: 1px solid var(--about-line);
}

.about-hero::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  width: min(33rem, 58%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--about-cyan), transparent);
  box-shadow: 0 0 14px rgba(112, 237, 240, .5);
  content: "";
}

.about-hero__copy { max-width: 66rem; min-width: 0; }

.about-eyebrow,
.about-section__label p {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1rem;
  color: var(--about-amber);
  font-size: .68rem;
  font-weight: 820;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.about-eyebrow span {
  width: 3.2rem;
  height: 1px;
  background: linear-gradient(90deg, var(--about-cyan), var(--about-purple));
  box-shadow: 0 0 10px rgba(112, 237, 240, .4);
}

.about-hero h1 {
  max-width: 12ch;
  margin: 0;
  color: var(--about-text);
  font-size: clamp(3.2rem, 8vw, 7.8rem);
  font-weight: 780;
  letter-spacing: -.08em;
  line-height: .9;
  text-wrap: balance;
}

.about-hero__lead {
  max-width: 63ch;
  margin: 1.6rem 0 0;
  color: var(--about-body);
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  line-height: 1.75;
}

.about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.65rem;
}

.about-button {
  --interaction-accent: var(--about-cyan);
  position: relative;
  min-height: 2.85rem;
  padding: .7rem 1rem;
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--about-cyan);
  border: 1px solid rgba(112, 237, 240, .56);
  background: transparent;
  font-size: .7rem;
  font-weight: 820;
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 170ms ease, background 170ms ease, transform 170ms ease;
}

.about-button__content {
  position: relative;
  z-index: 21;
  display: inline-flex;
  align-items: center;
  gap: .65rem;
}

.about-button--primary {
  --interaction-accent: var(--about-purple);
  color: #110c24;
  border-color: var(--about-purple-bright);
  background: linear-gradient(135deg, var(--about-purple-bright), var(--about-purple) 58%, var(--about-purple-deep));
  box-shadow: 0 0 1.6rem rgba(169, 140, 255, .16), inset 0 1px rgba(255, 255, 255, .3);
}

.about-button:hover,
.about-button:focus-visible { color: #061114; background: var(--about-cyan); transform: translateY(-2px); }
.about-button--primary:hover,
.about-button--primary:focus-visible {
  color: #100b20;
  border-color: #eee8ff;
  background: linear-gradient(135deg, #eee8ff, var(--about-purple-bright) 58%, var(--about-purple));
  box-shadow: 0 0 2rem rgba(169, 140, 255, .3), inset 0 1px rgba(255, 255, 255, .46);
}

.about-stats {
  max-width: 48rem;
  margin: 2.6rem 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}

.about-stats div { padding: .8rem .85rem .75rem 0; border-right: 1px solid var(--about-line); }
.about-stats div + div { padding-left: .85rem; }
.about-stats div:last-child { border-right: 0; }
.about-stats dt { color: var(--about-cyan-soft); font-size: 1.35rem; font-weight: 780; letter-spacing: -.04em; }
.about-stats dd { margin: .05rem 0 0; color: var(--about-muted); font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; }

.about-section {
  display: grid;
  grid-template-columns: minmax(8rem, .23fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 6rem);
  padding: clamp(3.5rem, 7vw, 6.8rem) 0;
  border-bottom: 1px solid var(--about-line);
}

.about-section__label span { color: var(--about-cyan); font-size: .72rem; font-weight: 800; letter-spacing: .12em; }
.about-section__label p { margin-top: .45rem; color: var(--about-muted); font-size: .62rem; line-height: 1.5; }
.about-section__content { min-width: 0; }
.about-section h2 { max-width: 15ch; margin: 0; color: var(--about-text); font-size: clamp(2rem, 4.5vw, 4.4rem); font-weight: 740; letter-spacing: -.07em; line-height: .98; }
.about-section__lead { max-width: 58ch; margin: 1.2rem 0 0; color: var(--about-body); font-size: 1rem; line-height: 1.7; }

.about-capability-grid { margin-top: 2.5rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--about-line); }
.about-capability { min-height: 12rem; padding: 1.1rem; background: rgba(5, 22, 28, .82); }
.about-capability__index { color: var(--about-amber); font-size: .62rem; font-weight: 800; letter-spacing: .14em; }
.about-capability h3 { margin: 2.4rem 0 .55rem; color: var(--about-cyan-soft); font-size: 1.1rem; font-weight: 720; }
.about-capability p, .about-principle p { margin: 0; color: var(--about-body); font-size: .83rem; line-height: 1.65; }

.about-principles-grid { margin-top: 2.6rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 2.5rem; }
.about-principle { display: grid; grid-template-columns: 2.6rem minmax(0, 1fr); gap: 1rem; padding: 1.3rem 0; border-top: 1px solid var(--about-line); }
.about-principle__mark { color: var(--about-cyan); font-size: .64rem; font-weight: 800; letter-spacing: .12em; }
.about-principle h3 { margin: 0 0 .45rem; color: var(--about-cyan-soft); font-size: 1rem; font-weight: 720; }

.about-section--explore { border-bottom: 0; }
.about-link-grid { margin-top: 2.5rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.4rem; }
.about-link-grid a { position: relative; min-height: 5.8rem; padding: 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--about-text); border: 1px solid rgba(112, 237, 240, .25); border-left: 2px solid rgba(112, 237, 240, .62); background: linear-gradient(105deg, rgba(20, 72, 80, .44), rgba(5, 21, 27, .64)); text-decoration: none; transition: color 170ms ease, border-color 170ms ease, transform 170ms ease, background 170ms ease; }
.about-link-grid a:hover, .about-link-grid a:focus-visible { z-index: 2; color: var(--about-cyan-soft); border-color: var(--about-cyan); background: rgba(23, 84, 91, .5); transform: translateY(-2px); }
.about-link-grid a > span { display: grid; gap: .25rem; }
.about-link-grid b { font-size: 1rem; font-weight: 740; }
.about-link-grid small { color: var(--about-muted); font-size: .72rem; }
.about-link-grid i { color: var(--about-cyan); font-size: 1.25rem; font-style: normal; }
.about-link-grid a > .app-interaction-frame { inset: -.38rem; z-index: 3; }

@media (max-width: 900px) {
  .about-section { grid-template-columns: 1fr; gap: 1rem; }
  .about-section__label { display: flex; align-items: center; gap: .6rem; }
  .about-section__label p { margin: 0; }
}

@media (max-width: 640px) {
  .about-shell { width: min(calc(100% - 1.25rem), 1440px); }
  .about-main { padding-top: 1.35rem; }
  .about-hero h1 { font-size: clamp(2.9rem, 14vw, 5rem); }
  .about-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-stats div:nth-child(2) { border-right: 0; }
  .about-stats div:nth-child(n + 3) { border-top: 1px solid var(--about-line); }
  .about-stats div:nth-child(3) { padding-left: 0; }
  .about-capability-grid, .about-principles-grid, .about-link-grid { grid-template-columns: 1fr; }
  .about-capability { min-height: auto; }
  .about-capability h3 { margin-top: 1.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .about-button, .about-link-grid a { animation: none; transition: none; }
}