:root {
  --navy: #111827;
  --charcoal: #252830;
  --pink: #ff4f8b;
  --ivory: #f7f4ee;
  --gray: #8b8f98;
  --line: rgba(17, 24, 39, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--ivory);
  color: var(--navy);
  font-family: Inter, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Helvetica, Arial, sans-serif;
}

.hero {
  width: min(1100px, calc(100% - 64px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 70px 0 40px;

  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ---------- JMRI MARK ---------- */

.brand {
  margin-bottom: 45px;
}

.brand-mark {
  position: relative;
  width: 125px;
  height: 80px;
  margin-bottom: 35px;
}

.bar {
  position: absolute;
  left: 0;
  top: 8px;
  width: 13px;
  height: 60px;
  background: var(--navy);
}

.circle-large {
  position: absolute;
  left: 31px;
  top: 18px;
  width: 43px;
  height: 43px;
  border-radius: 50%;
  background: var(--navy);
}

.connector {
  position: absolute;
  left: 65px;
  top: 38px;
  width: 45px;
  height: 2px;
  background: var(--navy);
  transform: rotate(-20deg);
  transform-origin: left center;
}

.node-small {
  position: absolute;
  left: 87px;
  top: 50px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--navy);
}

.square-pink {
  position: absolute;
  right: 0;
  top: 0;
  width: 22px;
  height: 22px;
  background: var(--pink);
}

.circle-pink {
  position: absolute;
  left: 21px;
  bottom: 0;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--pink);
}

.jmri {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
}

/* ---------- MAIN ---------- */

h1 {
  margin: 0;

  font-size: clamp(4.5rem, 12vw, 9rem);
  font-weight: 500;
  line-height: 0.82;
  letter-spacing: 0.075em;
}
.exquiro-wordmark {
  display: flex;
  align-items: baseline;
  gap: 0.035em;
}

.definition {
  margin: 28px 0 0;

  color: var(--pink);
  font-size: 0.95rem;
  font-style: italic;
}

.mission {
  max-width: 780px;
  margin: 45px 0;

  color: var(--charcoal);
  font-size: clamp(1.6rem, 3.2vw, 2.7rem);
  font-weight: 400;
  line-height: 1.22;
}

/* ---------- LAB STATUS ---------- */

.status {
  display: grid;
  grid-template-columns: repeat(3, 1fr);

  margin-top: 10px;

  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.status-item {
  padding: 22px 20px 22px 0;
}

.status-item span {
  display: block;
  margin-bottom: 7px;

  color: var(--pink);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.status-item strong {
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 600;
}
/* ---------- EXPERIMENTS LINK ---------- */

.experiments-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 34px;

  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-decoration: none;
}

.experiments-link span {
  color: var(--pink);
  transition: transform 0.2s ease;
}

.experiments-link:hover {
  color: var(--pink);
}

.experiments-link:hover span {
  transform: translateX(5px);
}
/* ---------- FOOTER ---------- */

footer {
  margin-top: 52px;
}

footer p {
  margin: 5px 0;
}

.motto {
  font-size: 0.84rem;
  font-weight: 600;
}

.est {
  color: var(--gray);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}
/* ---------- MOBILE ---------- */

@media (max-width: 700px) {

  .hero {
    width: calc(100% - 44px);
    padding: 45px 0 30px;
  }

  .brand {
    margin-bottom: 38px;
  }

  h1 {
    font-size: clamp(3.5rem, 18vw, 6rem);
  }

  .mission {
    margin: 38px 0;
  }

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

  .status-item {
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
  }

  .status-item:last-child {
    border-bottom: 0;
  }
}
  /* =========================================================
   EXPERIMENTS
   ========================================================= */

.experiments-page {
  width: min(1180px, calc(100% - 80px));
  margin: 0 auto;
  padding: 72px 0 48px;
}

.experiments-header {
  max-width: 850px;
  margin-bottom: 100px;
}

.back-link {
  display: inline-block;
  margin-bottom: 80px;
  color: var(--navy);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.back-link:hover {
  color: var(--pink);
}

.experiments-header .eyebrow {
  margin-bottom: 18px;
  color: var(--pink);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.experiments-title {
  margin: 0;
  color: var(--navy);
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: 0.04em;
}

.experiments-intro {
  max-width: 680px;
  margin-top: 38px;
  color: var(--navy);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.55;
}


/* Experiment list */

.experiment-list {
  border-top: 1px solid rgba(12, 29, 48, 0.18);
}

.experiment {
  padding: 48px 0 40px;
  border-bottom: 1px solid rgba(12, 29, 48, 0.18);
}

.experiment-meta {
  display: flex;
  gap: 28px;
  margin-bottom: 24px;
  color: var(--pink);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.15em;
}

.experiment h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.experiment-subtitle {
  margin: 10px 0 0;
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.experiment-description {
  max-width: 680px;
  margin: 30px 0;
  font-size: 1rem;
  line-height: 1.7;
  opacity: 0.75;
}

.experiment-status {
  display: grid;
  grid-template-columns: 130px 1fr;
  max-width: 760px;
  padding-top: 20px;
  border-top: 1px solid rgba(12, 29, 48, 0.1);
}

.experiment-status span {
  color: var(--pink);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
}

.experiment-status strong {
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 500;
}

.experiment-status.failure strong {
  font-style: italic;
}


/* Footer */

.experiments-footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-top: 100px;
  padding-top: 24px;
  border-top: 1px solid rgba(12, 29, 48, 0.18);
  color: var(--navy);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}


/* Mobile */

@media (max-width: 700px) {

  .experiments-page {
    width: min(100% - 40px, 1180px);
    padding-top: 40px;
  }

  .experiments-header {
    margin-bottom: 70px;
  }

  .back-link {
    margin-bottom: 60px;
  }

  .experiment {
    padding: 38px 0 42px;
  }

  .experiment-status {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .experiments-footer {
    flex-direction: column;
    gap: 8px;
  }
}