* {
  box-sizing: border-box;
}

a {
  color: inherit;
}

:focus-visible {
  outline:
    4px solid rgba(103, 77, 168, 0.28);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 10px;
  z-index: 100;

  width: calc(100% - 28px);
  max-width: var(--observer-max);

  margin: 10px auto 0;
  padding: 13px 18px;

  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;

  border:
    1px solid var(--observer-line);
  border-radius: 23px;

  background:
    rgba(255, 255, 255, 0.88);

  backdrop-filter:
    blur(22px) saturate(150%);

  box-shadow:
    var(--observer-shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;

  color: #59418b;
  text-decoration: none;
  font-weight: 950;
  white-space: nowrap;
}

.brand-icon {
  width: 50px;
  height: 42px;

  display: grid;
  place-items: center;

  border-radius: 18px;

  background:
    linear-gradient(
      145deg,
      #ffffff,
      #eee7ff
    );

  box-shadow:
    0 7px 17px
    rgba(75, 53, 113, 0.13);

  font-size: 26px;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.site-nav a {
  min-height: 42px;

  display: inline-flex;
  align-items: center;
  gap: 7px;

  padding: 9px 13px;

  border-radius: 999px;

  color: #5f5874;
  text-decoration: none;
  font-weight: 820;
}

.site-nav a:hover,
.site-nav a.current {
  color: #573d88;
  background:
    rgba(130, 98, 200, 0.12);
}

.sign-in {
  min-height: 43px;

  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;

  padding: 9px 18px;

  border-radius: 999px;

  color: #ffffff;
  text-decoration: none;
  font-weight: 900;

  background:
    linear-gradient(
      135deg,
      #795bc2,
      #ae79e1
    );

  box-shadow:
    0 11px 24px
    rgba(109, 74, 175, 0.25);
}

main {
  width: calc(100% - 28px);
  max-width: var(--observer-max);

  margin: 18px auto 0;
}

.hero {
  position: relative;
  overflow: hidden;

  min-height: 610px;

  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(28px, 4vw, 65px);
  align-items: center;

  padding:
    clamp(34px, 5vw, 82px);

  border:
    1px solid var(--observer-line);

  border-radius:
    var(--observer-radius-xl);

  background:
    radial-gradient(
      circle at 13% 12%,
      rgba(255, 255, 255, 0.96),
      transparent 34%
    ),
    radial-gradient(
      circle at 84% 20%,
      rgba(255, 255, 255, 0.90),
      transparent 37%
    ),
    linear-gradient(
      135deg,
      rgba(255, 217, 235, 0.91),
      rgba(233, 221, 255, 0.89) 45%,
      rgba(207, 241, 255, 0.89)
    );

  box-shadow:
    var(--observer-shadow);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;

  width: 460px;
  height: 215px;
  bottom: -112px;

  border-radius: 50%;
  background:
    rgba(255, 255, 255, 0.86);
}

.hero::before {
  left: -85px;
}

.hero::after {
  right: -95px;
}

.hero-copy,
.hero-art {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 12px;

  color: #7555b6;

  font-size: 0.82rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  font-weight: 950;
}

.hero h1 {
  margin: 0;

  color: #4d3975;

  font-size:
    clamp(3.7rem, 7.8vw, 8.3rem);

  line-height: 0.90;
  letter-spacing: -0.075em;
}

.hero h1 span {
  display: block;

  margin-top: 16px;

  color: #008eac;

  font-size: 0.42em;
  line-height: 1.07;
  letter-spacing: -0.04em;
}

.hero-lead {
  max-width: 750px;

  margin: 25px 0 0;

  color: #5d5870;

  font-size:
    clamp(1rem, 1.55vw, 1.25rem);

  line-height: 1.72;
  font-weight: 620;
}

.hero-actions {
  margin-top: 29px;

  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-art img {
  width: 100%;
  height: auto;
  display: block;

  border:
    1px solid rgba(105, 78, 159, 0.15);

  border-radius: 27px;

  box-shadow:
    0 27px 58px
    rgba(72, 51, 109, 0.19);

  transition:
    transform 0.20s ease,
    box-shadow 0.20s ease;
}

.hero-art a:hover img {
  transform: translateY(-4px);

  box-shadow:
    0 33px 65px
    rgba(72, 51, 109, 0.23);
}

.section {
  margin-top: 26px;
}

.section-heading {
  max-width: 980px;

  margin: 0 auto 28px;

  text-align: center;
}

.section-heading h2 {
  margin: 0;

  color: #4d3975;

  font-size:
    clamp(2.3rem, 4.5vw, 4.1rem);

  letter-spacing: -0.052em;
}

.section-heading p {
  color: var(--observer-muted);
  line-height: 1.7;
}

.card-grid {
  display: grid;

  grid-template-columns:
    repeat(
      auto-fit,
      minmax(min(100%, 270px), 1fr)
    );

  gap: 18px;
}

.card {
  --card-color: #7257a9;
  --card-soft:
    rgba(142, 108, 207, 0.11);

  position: relative;
  overflow: hidden;

  min-height: 255px;

  padding: 26px;

  border:
    1px solid var(--observer-line);

  border-radius:
    var(--observer-radius-lg);

  background:
    var(--observer-glass);

  box-shadow:
    0 13px 31px
    rgba(72, 52, 108, 0.10);
}

.card::after {
  content: "";

  position: absolute;

  width: 120px;
  height: 120px;

  right: -48px;
  bottom: -50px;

  border-radius: 50%;
  background: var(--card-soft);
}

.card-icon {
  display: block;
  margin-bottom: 13px;
  font-size: 2.8rem;
}

.card h3 {
  position: relative;
  z-index: 1;

  margin: 0;

  color: var(--card-color);
  font-size: 1.38rem;
}

.card p {
  position: relative;
  z-index: 1;

  color: #696378;
  line-height: 1.64;
}

.card.guardian {
  --card-color:
    var(--observer-coordination);

  --card-soft:
    rgba(232, 62, 102, 0.13);
}

.card.academy {
  --card-color:
    var(--observer-automation);

  --card-soft:
    rgba(239, 165, 28, 0.14);
}

.card.minecraft {
  --card-color:
    var(--observer-research);

  --card-soft:
    rgba(99, 173, 55, 0.14);
}

.card.legacy {
  --card-color:
    var(--observer-vaults);

  --card-soft:
    rgba(114, 72, 167, 0.13);
}

.card.infrastructure {
  --card-color:
    var(--observer-network);

  --card-soft:
    rgba(33, 174, 187, 0.13);
}

.card.workforce {
  --card-color:
    var(--observer-authority);

  --card-soft:
    rgba(217, 79, 138, 0.13);
}

.promise {
  margin-top: 26px;

  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 20px;
}

.promise-card {
  padding: 32px;

  border:
    1px solid var(--observer-line);

  border-radius:
    27px;

  background:
    var(--observer-glass);

  box-shadow:
    var(--observer-shadow);
}

.promise-card h2 {
  margin-top: 0;
  color: #4d3975;
}

.promise-card p,
.promise-card li {
  color: #696378;
  line-height: 1.68;
}

.quote {
  padding: 20px 22px;

  border-left:
    5px solid #9674d1;

  border-radius:
    0 19px 19px 0;

  color: #584080;

  background:
    rgba(150, 116, 209, 0.10);

  font-size: 1.08rem;
  font-weight: 850;
}

footer {
  width:
    min(1050px, calc(100% - 28px));

  margin: 24px auto 40px;
  padding: 21px;

  text-align: center;

  border:
    1px solid var(--observer-line);

  border-radius: 999px;

  color: #69627c;

  background:
    rgba(255, 255, 255, 0.82);

  box-shadow:
    0 10px 27px
    rgba(71, 52, 108, 0.08);
}

footer strong {
  color: #523d7b;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-lead {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .promise {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header,
  main {
    width: calc(100% - 12px);
  }

  .brand span:last-child {
    display: none;
  }

  .site-header {
    top: 5px;
    padding: 10px;
  }

  .sign-in {
    padding-inline: 13px;
  }

  .hero {
    padding: 26px 17px;
    border-radius: 24px;
  }

  .hero h1 {
    font-size:
      clamp(3rem, 18vw, 5.3rem);
  }

  footer {
    border-radius: 25px;
  }
}