:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #fbfaf7;
  --ink: #17305d;
  --ink-soft: #31445e;
  --line: #d9e3e8;
  --line-strong: #b9d8dd;
  --accent: #0f335f;
  --accent-dark: #0b2648;
  --teal: #2a9ca0;
  --teal-dark: #277477;
  --sand: #faf5eb;
  --radius: 24px;
  --container-max: 1240px;
  --shadow: 0 18px 45px rgba(20, 44, 73, 0.12);
}

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Serif:wght@500;600&display=swap");

body {
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.62;
  font-size: 1.05rem;
}

body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto 0;
  height: 0;
  background: transparent;
  z-index: 1045;
  pointer-events: none;
}

h1,
h2,
h3,
h4 {
  font-family: "IBM Plex Serif", serif;
  letter-spacing: -0.01em;
}

h2 {
  margin-top: 3.2rem;
  margin-bottom: 0.95rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--teal);
  font-size: clamp(1.55rem, 2.05vw, 2rem);
}

h3 {
  margin-top: 1.3rem;
  font-size: clamp(1.25rem, 1.7vw, 1.65rem);
}

p,
li {
  color: #233248;
}

.quarto-container,
.page-layout-article,
.content {
  max-width: var(--container-max);
}

.page-columns {
  padding-left: 1.1rem;
  padding-right: 1.1rem;
}

.navbar {
  backdrop-filter: blur(6px);
  background-color: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid #edf1f4;
}

.navbar-brand,
.nav-link {
  font-weight: 600;
  letter-spacing: 0.012em;
}

.navbar-brand {
  width: 185px;
  height: 72px;
  padding: 0;
  margin-right: 1rem;
  background-image: url("images/modelersLOGO.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: left center;
  text-indent: -9999px;
  overflow: hidden;
  white-space: nowrap;
}

.nav-link.active,
.nav-link:hover {
  color: var(--teal-dark) !important;
}

.navbar-nav .nav-link {
  font-size: 0.93rem;
  text-transform: uppercase;
}

.hero-wrap {
  margin-top: 0.9rem;
  margin-bottom: 3rem;
}

.landing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 1.4rem;
  align-items: start;
}

.landing-main {
  border-radius: 28px;
  border: 1px solid #efe7d7;
  background: linear-gradient(180deg, #fffdf9 0%, #ffffff 100%);
  box-shadow: 0 18px 45px rgba(20, 44, 73, 0.14);
  padding: 1.6rem 1.6rem 0.9rem;
  position: relative;
  overflow: hidden;
}

.hero-top {
  display: grid;
  grid-template-columns: minmax(0, 1.38fr) minmax(0, 1.02fr);
  gap: 1.1rem;
  align-items: end;
  margin-top: 0.1rem;
  margin-bottom: 1rem;
}

.hero-top p {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.38fr) minmax(0, 1.02fr);
  gap: 1.1rem;
  align-items: end;
}

.hero-intro {
  max-width: 100%;
  position: relative;
  z-index: 2;
}

.hero-intro h3 {
  color: var(--teal-dark);
  margin-top: 0;
  margin-bottom: 0.9rem;
  font-weight: 600;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: clamp(1.35rem, 1.9vw, 1.82rem);
  line-height: 1.35;
}

.hero-intro p {
  margin-bottom: 0.75rem;
}

.hero-intro p:last-of-type {
  margin-bottom: 0;
}

.technical-doodles {
  width: min(100%, 470px);
  display: block;
  margin-left: auto;
  margin-right: 0.2rem;
}

.people-illustration {
  width: 100%;
  display: block;
  margin-top: 0;
  margin-left: auto;
  margin-right: auto;
}

.hero-bottom-art {
  margin-top: 1rem;
  display: grid;
  gap: 0.25rem;
  align-items: end;
}

.campus-wave {
  width: 100%;
  display: block;
}

.eth-mark {
  width: 92px;
  display: block;
  margin-left: 0.2rem;
}

.about-lead {
  margin-top: 0.2rem;
  margin-bottom: 1.8rem;
  padding: 0.2rem 0 0.2rem 0;
  border: none;
  background: transparent;
  animation: rise 620ms ease-out;
}

.hero-panel,
.meeting-box,
.pill {
  border-radius: var(--radius);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.85rem;
  margin-top: 1.2rem;
  margin-bottom: 0;
}

.hero-actions a {
  margin: 0;
}

.hero-panel {
  padding: 1.35rem 1.15rem 0.8rem;
  background: linear-gradient(180deg, #fbffff 0%, #f4fbfb 100%);
  border: 1px solid var(--line-strong);
  box-shadow: 0 18px 38px rgba(33, 92, 110, 0.12);
}

.hero-panel h4 {
  margin: 0 0 0.55rem;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: clamp(1.4rem, 1.8vw, 1.8rem);
  font-weight: 700;
  color: var(--accent);
}

.panel-item {
  display: grid;
  grid-template-columns: 3.1rem 1fr;
  gap: 0.95rem;
  align-items: center;
  padding: 0.9rem 0;
  border-top: 1px solid rgba(44, 120, 128, 0.16);
  color: #223250;
  font-size: 1.02rem;
  line-height: 1.45;
}

.panel-item:first-of-type {
  border-top: none;
}

.panel-icon {
  width: 3rem;
  height: 3rem;
  display: block;
}

.panel-summary {
  padding-top: 1rem;
  margin-top: 0.1rem;
  border-top: 1px solid rgba(44, 120, 128, 0.16);
  font-size: 1.02rem;
  line-height: 1.55;
  color: #1f2b3f;
}

.panel-summary strong {
  color: var(--teal-dark);
}

.panel-art {
  margin-top: 0.85rem;
  text-align: center;
}

.bridge-img {
  display: block;
  width: min(100%, 320px);
  margin: 0 auto;
}

.page-bottom-art {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: end;
  gap: 1.1rem;
  margin-top: 0.2rem;
  margin-bottom: 1.8rem;
}

.eth-bottom-logo {
  width: 98px;
  display: block;
}

.page-bottom-right {
  justify-self: end;
}

.campus-bottom-wave {
  width: min(100%, 560px);
  display: block;
}

.pill-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 0.2rem;
  margin-bottom: 1rem;
}

.pill {
  padding: 1.05rem 1.1rem 0.95rem 1.1rem;
  border: 1px solid #e4edf0;
  box-shadow: 0 10px 26px rgba(17, 50, 95, 0.06);
  background: #ffffff;
}

.pill strong {
  color: var(--accent);
}

.meeting-box {
  padding: 1.5rem;
  margin-top: 0.6rem;
  border: 1px solid #e4edf0;
  background: linear-gradient(180deg, #fbffff 0%, #f7fbfc 100%);
  box-shadow: 0 12px 30px rgba(17, 50, 95, 0.06);
}

.btn-main,
.btn-ghost {
  display: inline-block;
  margin-right: 0.5rem;
  margin-top: 0.45rem;
  padding: 0.92rem 1.45rem;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.btn-main {
  color: #ffffff;
  background: var(--accent);
  border: 1px solid var(--accent);
  box-shadow: 0 14px 26px rgba(15, 51, 95, 0.16);
}

.btn-ghost {
  color: var(--accent);
  border: 2px solid #8fd1d3;
  background-color: #ffffff;
}

.btn-main:hover,
.btn-ghost:hover {
  transform: translateY(-1px);
}

.btn-main:hover {
  background: var(--accent-dark);
}

.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

a {
  color: var(--teal-dark);
  text-underline-offset: 2px;
}

a:hover {
  color: var(--accent);
}

.page-footer {
  border-top: 1px solid #edf1f4;
  margin-top: 2.4rem;
  color: #66707c;
  font-size: 0.92rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .landing-grid,
  .pill-row {
    grid-template-columns: 1fr;
  }

  .hero-top {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    margin-top: 0.7rem;
    margin-bottom: 0.8rem;
  }

  .hero-top p {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .navbar-brand {
    width: 145px;
    height: 58px;
  }

  .landing-main {
    padding: 1rem 1rem 0.8rem;
  }

  .hero-intro {
    max-width: 100%;
  }

  .technical-doodles {
    width: min(100%, 300px);
    margin: 0 auto 0.1rem;
  }

  .people-illustration {
    width: min(100%, 500px);
    margin: 0 auto;
  }

  .page-bottom-art {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    margin-top: 0;
  }

  .page-bottom-left,
  .page-bottom-right {
    justify-self: center;
  }

  .campus-bottom-wave {
    width: min(100%, 420px);
  }

  .hero-bottom-art {
    margin-top: 0.55rem;
  }

  .eth-mark {
    width: 84px;
  }

  .about-lead {
    padding: 0.55rem 0 0.1rem 0;
  }

  .hero-actions {
    gap: 0.7rem;
  }

  .hero-actions .btn-main,
  .hero-actions .btn-ghost {
    width: 100%;
    text-align: center;
  }

  .bridge-img {
    width: min(100%, 280px);
  }

  h2 {
    margin-top: 2.1rem;
  }
}