@import url("https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;500;600;700;800;900&display=swap");

:root{
  /* Brand palette (derived from the IMA logo family) */
  --ima-primary: #6b1fa7;        /* purple */
  --ima-primary-dark: #4b1376;   /* deep purple */
  --ima-ink: #141426;            /* near-black ink */
  --ima-text: var(--ima-ink);
  --ima-muted: #5f6879;
  --ima-border: rgba(20, 20, 38, 0.12);

  /* Surfaces */
  /* Match the homepage masthead artwork background */
  --ima-bg: #f8f9fa;
  --ima-surface: #ffffff;
  --ima-lilac: rgba(107,31,167,0.06);
  --ima-lilac-2: rgba(107,31,167,0.12);
  --ima-lilac-wash: rgba(107,31,167,0.10);

  /* Layout + type */
  --radius: 16px;
  --radius-sm: 12px;
  --shadow-tight: 0 10px 26px rgba(20,20,38,0.08);
  --shadow-soft: 0 18px 52px rgba(20,20,38,0.10);
  --container: 1240px;
  --font-body: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*{ box-sizing: border-box; }
html, body{ margin: 0; padding: 0; }

body{
  font-family: var(--font-body);
  font-size: 1.07rem;
  color: var(--ima-text);
  background: var(--ima-bg);
  line-height: 1.68;
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Buttons */
.btn-primary,
.btn-secondary{
  padding: 0.7rem 1.15rem;
  border-radius: 12px;
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.btn-primary{
  color: #fff;
  background: var(--ima-primary-dark);
  box-shadow: none;
}
.btn-primary:hover{ background: #2d0a47; }
.btn-secondary{
  background: #fff;
  color: var(--ima-text);
  border: 1px solid var(--ima-border);
  box-shadow: none;
}
.btn-secondary:hover{ border-color: rgba(107,31,167,0.30); }

.btn-ghost{
  padding: 0.7rem 1.1rem;
  border-radius: 12px;
  font-weight: 850;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid rgba(20,20,38,0.16);
  background: rgba(255,255,255,0.75);
  color: var(--ima-primary-dark);
}
.btn-ghost:hover{ background: rgba(255,255,255,0.98); }

/* Header / nav */
header{
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid rgba(107,31,167,0.14);
  position: sticky;
  top: 0;
  z-index: 30;
  box-shadow: none;
}

.nav{
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-area{
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.logo-img{
  width: 48px;
  height: 48px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(107,31,167,0.16);
  background: #fff;
  box-shadow: 0 14px 34px rgba(20,20,38,0.12);
}
.logo-img img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.brand-title{
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--ima-text);
}
.brand-sub{
  font-size: 0.95rem;
  color: var(--ima-muted);
  margin-top: 0.1rem;
  white-space: nowrap;
}
.nav-links{
  display: flex;
  gap: 2rem;
  font-size: 1.03rem;
}
.nav-links a{
  color: var(--ima-muted);
  font-weight: 750;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover,
.nav-links a[aria-current="page"]{
  color: var(--ima-primary);
  border-bottom-color: var(--ima-primary);
}
.nav-cta{
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  background: var(--ima-primary-dark);
  color: #fff;
  font-weight: 850;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.nav-cta:hover{ background: #2d0a47; }

@media (max-width: 768px){
  .nav-links{ display: none; }
}

/* Footer */
footer{
  padding: 1.5rem 0 1.75rem;
  font-size: 0.95rem;
  color: var(--ima-muted);
  border-top: 1px solid rgba(107,31,167,0.10);
  background: var(--ima-bg);
}
.footer-inner{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Shared page intro block under sticky header */
.page-top{
  padding-top: 1.75rem;
  margin-bottom: 1.5rem;
}
.page-top--split{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem;
  border-bottom: 1px solid rgba(107,31,167,0.10);
  padding-bottom: 1.15rem;
}
.page-top-main{
  flex: 1 1 auto;
  min-width: 0;
}
.page-top-kicker{
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--ima-primary);
  font-weight: 850;
  margin-bottom: 0.45rem;
}
.page-top-title{
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.page-top-lead{
  margin-top: 0.55rem;
  max-width: 72ch;
  color: var(--ima-muted);
  font-size: 1.08rem;
}
.page-top-meta{
  font-size: 0.98rem;
  color: var(--ima-text);
  font-weight: 600;
  white-space: nowrap;
}
@media (max-width: 900px){
  .page-top--split{
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Shared surfaces */
.card{
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--ima-border);
  border-radius: var(--radius);
  box-shadow: 0 18px 52px rgba(20,20,38,0.06);
}
.card--soft{
  background: linear-gradient(160deg, rgba(107,31,167,0.07), rgba(107,31,167,0.015) 50%, rgba(255,255,255,0.95));
  border-color: rgba(107,31,167,0.14);
}
.chip{
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(107,31,167,0.16);
  background: rgba(255,255,255,0.72);
  color: var(--ima-primary-dark);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}