:root {
  --about-ink: #10283a;
  --about-muted: #5e6f7e;
  --about-teal: #006f73;
  --about-teal-deep: #00565a;
  --about-bronze: #a97845;
  --about-stone: #f4f6f5;
  --about-line: #d7ddda;
  --about-white: #ffffff;
  --about-shell: 1420px;
  --about-font: "DM Sans", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.about-page {
  margin: 0;
  overflow-x: hidden;
  color: var(--about-ink);
  background: var(--about-white);
  font-family: var(--about-font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.about-page a { color: inherit; text-decoration: none; }
.about-page img { max-width: 100%; }
.about-page svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.55; }

.about-shell {
  width: min(calc(100% - 72px), var(--about-shell));
  margin-inline: auto;
}

.about-skip {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--about-white);
  background: var(--about-ink);
  transform: translateY(-160%);
}

.about-skip:focus { transform: translateY(0); }

.about-fallback-nav {
  position: relative;
  z-index: 5;
  border-bottom: 1px solid var(--about-line);
  background: var(--about-white);
}

.about-fallback-nav__inner {
  display: grid;
  width: min(calc(100% - 72px), var(--about-shell));
  min-height: 88px;
  margin: auto;
  grid-template-columns: 230px 1fr auto auto;
  align-items: center;
  gap: 28px;
}

.about-fallback-nav__inner > a:first-child img { width: 176px; display: block; }
.about-fallback-nav nav { display: flex; justify-content: center; gap: 38px; }
.about-fallback-nav a { font-size: 13px; font-weight: 600; }

.about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--about-line);
}

.about-hero::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, transparent calc(50% - 1px), rgba(16, 40, 58, 0.035) 50%, transparent calc(50% + 1px)),
    linear-gradient(to bottom, transparent calc(100% - 1px), var(--about-line) 100%);
  content: "";
}

.about-hero__grid {
  position: relative;
  display: grid;
  min-height: 720px;
  grid-template-columns: minmax(420px, 0.88fr) minmax(620px, 1.12fr);
  align-items: center;
  gap: clamp(45px, 6vw, 105px);
  padding-block: 126px 74px;
}

.about-hero__copy h1 {
  max-width: 710px;
  margin: 0;
  font-size: clamp(50px, 5.4vw, 82px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.about-hero__copy h1 em { color: var(--about-teal); font-style: normal; }

.about-hero__copy > p {
  max-width: 640px;
  margin: 30px 0 0;
  color: var(--about-muted);
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.72;
}

.about-hero__actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 38px;
}

.about-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 22px;
  border: 1px solid var(--about-teal-deep);
  color: var(--about-white) !important;
  background: var(--about-teal-deep);
  font-size: 13px;
  font-weight: 700;
  transition: transform 220ms cubic-bezier(.16,1,.3,1), background 220ms ease;
}

.about-button:hover,
.about-button:focus-visible { background: var(--about-ink); transform: translateY(-2px); }
.about-button:active { transform: translateY(1px); }
.about-button svg { width: 18px; }

.about-educhain {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--about-muted);
  font-size: 13px;
}

.about-educhain img { width: 104px; max-height: 28px; object-fit: contain; }

.about-system {
  position: relative;
  min-height: 570px;
  color: var(--about-ink);
}

.about-system__routes {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: rgba(0, 86, 90, 0.62);
}

.about-system__routes circle,
.about-system__routes path { vector-effect: non-scaling-stroke; }
.about-system__routes .is-dashed { stroke-dasharray: 5 8; color: rgba(169, 120, 69, 0.55); }

.about-system__core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 224px;
  min-height: 182px;
  place-content: center;
  padding: 25px;
  border: 1px solid var(--about-teal-deep);
  border-radius: 50%;
  background: var(--about-white);
  text-align: center;
  transform: translate(-50%, -50%);
}

.about-system__core span {
  color: var(--about-teal-deep);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.about-system__core strong { margin-top: 8px; font-size: 18px; line-height: 1.2; }
.about-system__core small { margin-top: 7px; color: var(--about-muted); font-size: 10px; }

.about-system__node {
  position: absolute;
  display: grid;
  min-width: 150px;
  grid-template-columns: 54px 1fr;
  align-items: center;
  column-gap: 12px;
}

.about-system__node i {
  display: grid;
  width: 54px;
  height: 54px;
  grid-row: span 2;
  place-items: center;
  border: 1px solid var(--about-line);
  border-radius: 50%;
  color: var(--about-teal-deep);
  background: var(--about-white);
  box-shadow: 0 12px 32px rgba(16, 40, 58, 0.07);
}

.about-system__node svg { width: 25px; height: 25px; }
.about-system__node b { align-self: end; font-size: 15px; }
.about-system__node small { align-self: start; color: var(--about-muted); font-size: 9px; }
.about-system__node--sis { top: 1%; left: 50%; transform: translateX(-50%); }
.about-system__node--lms { top: 29%; right: -3%; }
.about-system__node--credentials { right: 4%; bottom: 10%; }
.about-system__node--attendance { bottom: 9%; left: 3%; }
.about-system__node--erp { top: 29%; left: -3%; }

.about-system__stamp {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 9px 12px;
  border: 1px solid rgba(16, 40, 58, 0.24);
  color: rgba(16, 40, 58, 0.48);
  font-size: 8px;
  letter-spacing: .11em;
}

.about-proof { border-bottom: 1px solid var(--about-line); background: var(--about-stone); }
.about-proof__grid { display: grid; grid-template-columns: 1fr 1fr 1.35fr; }
.about-proof__grid > div {
  display: flex;
  min-height: 120px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border-right: 1px solid var(--about-line);
}
.about-proof__grid > div:first-child { border-left: 1px solid var(--about-line); }
.about-proof svg { width: 30px; color: var(--about-teal); }
.about-proof strong { font-size: 32px; letter-spacing: -.04em; }
.about-proof span { color: var(--about-muted); font-size: 12px; }
.about-proof__group img { width: 128px; max-height: 34px; object-fit: contain; }

.about-origin { padding: 128px 0 136px; }
.about-origin__story {
  display: grid;
  grid-template-columns: minmax(290px, .7fr) minmax(560px, 1.3fr);
  gap: clamp(50px, 8vw, 130px);
  padding-bottom: 92px;
}
.about-origin h2,
.about-principles h2,
.about-outcomes h2,
.about-closing h2 {
  margin: 0;
  font-size: clamp(38px, 4.4vw, 66px);
  font-weight: 600;
  letter-spacing: -.05em;
  line-height: 1.06;
}
.about-origin__story p { max-width: 800px; margin: 0 0 18px; color: var(--about-muted); font-size: 18px; line-height: 1.78; }
.about-origin__story p:last-child { color: var(--about-ink); font-weight: 500; }

.about-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.about-timeline::before { position: absolute; top: 52px; right: 0; left: 0; height: 1px; background: var(--about-teal); content: ""; }
.about-timeline li { position: relative; min-height: 230px; padding: 0 35px 0 0; }
.about-timeline li + li { padding-left: 35px; }
.about-timeline span { color: var(--about-bronze); font-size: 16px; font-weight: 700; }
.about-timeline i { display: block; width: 28px; height: 28px; margin-top: 24px; border: 1px solid var(--about-teal); border-radius: 50%; background: var(--about-white); }
.about-timeline i::after { display: block; width: 6px; height: 6px; margin: 10px; border-radius: 50%; background: var(--about-teal); content: ""; }
.about-timeline h3 { margin: 24px 0 10px; font-size: 19px; line-height: 1.25; }
.about-timeline p { margin: 0; color: var(--about-muted); font-size: 13px; line-height: 1.65; }

.about-principles { padding: 132px 0; border-block: 1px solid var(--about-line); background: var(--about-stone); }
.about-principles__grid { display: grid; grid-template-columns: minmax(330px, .72fr) minmax(600px, 1.28fr); gap: clamp(70px, 10vw, 165px); }
.about-principles__intro { position: sticky; top: 132px; align-self: start; }
.about-principles__intro p { max-width: 480px; margin: 28px 0 0; color: var(--about-muted); font-size: 17px; }
.about-principles__list { margin: 0; padding: 0; border-top: 1px solid var(--about-line); list-style: none; }
.about-principles__list li { display: grid; grid-template-columns: 100px 1fr; gap: 22px; padding: 38px 0; border-bottom: 1px solid var(--about-line); }
.about-principles__list span { color: var(--about-teal); font-size: 34px; font-weight: 500; letter-spacing: -.04em; }
.about-principles__list h3 { margin: 0; font-size: 22px; }
.about-principles__list p { max-width: 620px; margin: 7px 0 0; color: var(--about-muted); font-size: 15px; }

.about-outcomes { padding: 122px 0 116px; color: #f5f8f7; background: var(--about-ink); }
.about-outcomes__head { display: flex; align-items: end; justify-content: space-between; gap: 40px; padding-bottom: 52px; border-bottom: 1px solid rgba(255,255,255,.18); }
.about-outcomes__head h2 { color: var(--about-white); }
.about-outcomes__head a { display: inline-flex; align-items: center; gap: 10px; color: #8dc9c4; font-size: 13px; font-weight: 600; }
.about-outcomes__head svg { width: 17px; }
.about-outcomes__grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.about-outcomes article { display: grid; min-height: 330px; grid-template-columns: 148px 1fr; align-items: center; gap: 38px; padding: 56px 50px 46px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.about-outcomes article + article { padding-left: 50px; border-left: 1px solid rgba(255,255,255,.18); }
.about-outcomes article img { width: 148px; height: 148px; padding: 15px; object-fit: contain; border: 1px solid rgba(255,255,255,.22); background: var(--about-white); filter: saturate(.75); }
.about-outcomes article strong { color: #72c7c0; font-size: clamp(48px, 5vw, 72px); font-weight: 500; letter-spacing: -.055em; line-height: 1; }
.about-outcomes article h3 { margin: 12px 0 6px; color: var(--about-white); font-size: 19px; }
.about-outcomes article p { margin: 0; color: rgba(245,248,247,.63); font-size: 13px; }
.about-outcomes article a { display: inline-block; margin-top: 21px; color: #8dc9c4; font-size: 12px; font-weight: 600; }
.about-outcomes__note { margin: 22px 0 0; color: rgba(245,248,247,.48); font-size: 11px; }

.about-footprint { padding: 84px 0; border-bottom: 1px solid var(--about-line); }
.about-footprint__grid { display: grid; grid-template-columns: 80px 1fr; align-items: center; gap: 30px; }
.about-footprint svg { width: 62px; color: var(--about-teal); }
.about-footprint span { color: var(--about-bronze); font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.about-footprint h2 { max-width: 930px; margin: 8px 0 0; font-size: clamp(24px, 3vw, 42px); font-weight: 500; letter-spacing: -.035em; line-height: 1.28; }
.about-footprint h2 em { color: var(--about-teal); font-style: normal; }

.about-closing { padding: 110px 0; }
.about-closing__grid { display: grid; grid-template-columns: 1fr .85fr; align-items: center; gap: 100px; }
.about-closing__grid > div { display: flex; align-items: center; gap: 28px; }
.about-closing__grid > div > a:last-child { color: var(--about-teal-deep); font-size: 13px; font-weight: 600; }

.about-fallback-footer { padding: 42px 0; color: var(--about-white); background: var(--about-ink); }
.about-fallback-footer > div { display: flex; align-items: center; gap: 24px; }
.about-fallback-footer img { width: 170px; margin-right: auto; filter: brightness(0) invert(1); }

.about-reveal { opacity: 0; transform: translateY(18px); transition: opacity .62s ease, transform .62s cubic-bezier(.16,1,.3,1); }
.about-reveal.is-visible { opacity: 1; transform: translateY(0); }

@keyframes aboutOrbit {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.02); }
}

@media (prefers-reduced-motion: no-preference) {
  .about-system__core { animation: aboutOrbit 5s ease-in-out infinite; }
}

@media (max-width: 1120px) {
  .about-hero__grid { grid-template-columns: 1fr; }
  .about-hero__copy { max-width: 760px; }
  .about-system { width: min(100%, 760px); min-height: 560px; margin-inline: auto; }
  .about-origin__story { grid-template-columns: 1fr; gap: 28px; }
  .about-principles__grid { grid-template-columns: .8fr 1.2fr; gap: 70px; }
  .about-outcomes article { grid-template-columns: 110px 1fr; gap: 24px; }
  .about-outcomes article img { width: 110px; height: 110px; }
}

@media (max-width: 820px) {
  .about-shell { width: min(calc(100% - 36px), var(--about-shell)); }
  .about-fallback-nav__inner { width: min(calc(100% - 36px), var(--about-shell)); grid-template-columns: 1fr auto; }
  .about-fallback-nav nav,
  .about-fallback-nav__inner > a:not(:first-child) { display: none; }
  .about-hero__grid { min-height: auto; padding-block: 118px 45px; }
  .about-system { min-height: 500px; transform: scale(.88); transform-origin: center; }
  .about-proof__grid { grid-template-columns: 1fr 1fr; }
  .about-proof__group { grid-column: 1 / -1; border-top: 1px solid var(--about-line); }
  .about-origin { padding-block: 88px; }
  .about-timeline { grid-template-columns: 1fr 1fr; gap: 34px 0; }
  .about-timeline::before { display: none; }
  .about-timeline li { min-height: 0; padding: 0 24px 0 0; }
  .about-timeline li + li { padding-left: 24px; border-left: 1px solid var(--about-line); }
  .about-timeline i { margin-top: 14px; }
  .about-principles { padding-block: 90px; }
  .about-principles__grid { grid-template-columns: 1fr; gap: 55px; }
  .about-principles__intro { position: static; }
  .about-outcomes__grid { grid-template-columns: 1fr; }
  .about-outcomes article + article { padding-left: 0; border-left: 0; }
  .about-closing__grid { grid-template-columns: 1fr; gap: 42px; }
}

@media (max-width: 600px) {
  .about-shell { width: min(calc(100% - 28px), var(--about-shell)); }
  .about-hero__copy h1 { font-size: clamp(43px, 12.4vw, 60px); }
  .about-hero__copy > p { font-size: 16px; }
  .about-hero__actions { align-items: flex-start; flex-direction: column; }
  .about-system { min-height: 420px; margin: -28px -76px -18px; transform: scale(.69); }
  .about-proof__grid { grid-template-columns: 1fr; }
  .about-proof__grid > div { min-height: 92px; border-left: 1px solid var(--about-line); border-bottom: 1px solid var(--about-line); }
  .about-proof__group { grid-column: 1; }
  .about-origin h2,
  .about-principles h2,
  .about-outcomes h2,
  .about-closing h2 { font-size: clamp(36px, 10.8vw, 52px); }
  .about-origin__story { padding-bottom: 58px; }
  .about-origin__story p { font-size: 16px; }
  .about-timeline { grid-template-columns: 1fr; gap: 0; }
  .about-timeline li,
  .about-timeline li + li { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--about-line); }
  .about-timeline i { display: none; }
  .about-principles__list li { grid-template-columns: 60px 1fr; padding: 28px 0; }
  .about-principles__list span { font-size: 25px; }
  .about-outcomes { padding-block: 82px; }
  .about-outcomes__head { align-items: flex-start; flex-direction: column; }
  .about-outcomes article { grid-template-columns: 78px 1fr; min-height: 0; gap: 18px; padding: 38px 0; }
  .about-outcomes article img { width: 78px; height: 78px; padding: 8px; }
  .about-outcomes article strong { font-size: 46px; }
  .about-footprint__grid { grid-template-columns: 54px 1fr; gap: 18px; }
  .about-footprint svg { width: 46px; }
  .about-closing { padding-block: 80px; }
  .about-closing__grid > div { align-items: flex-start; flex-direction: column; }
}

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