/* --- Brand polish on Beautiful Jekyll --- */
html {
  scroll-behavior: smooth;
}

body {
  background: linear-gradient(180deg, #faf9f6 0%, #f2efe8 55%, #ebe6dc 100%);
  background-attachment: fixed;
}

.navbar-custom {
  box-shadow: 0 2px 14px rgba(30, 95, 74, 0.09);
  border-bottom: 1px solid rgba(30, 95, 74, 0.14) !important;
}

footer.footer-min {
  border-top: 1px solid rgba(30, 95, 74, 0.12);
}

/* Site title in navbar: one line */
.navbar-custom .navbar-brand,
.navbar-custom .navbar-brand:hover {
  white-space: nowrap;
  max-width: min(100vw - 8rem, 22rem);
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
  letter-spacing: -0.02em;
}

@media (min-width: 992px) {
  .navbar-custom .navbar-brand {
    max-width: none;
    overflow: visible;
    text-overflow: unset;
  }
}

/* Home / page hero title: keep “Elly Poretsky, PhD” on one line */
.intro-header .page-heading h1 {
  white-space: nowrap;
}

@media (min-width: 1200px) {
  .intro-header .page-heading h1 {
    font-size: clamp(2.25rem, 3.6vw, 5rem);
  }
}

@media (max-width: 575px) {
  .intro-header .page-heading h1 {
    font-size: clamp(1.35rem, 6.5vw, 2rem);
  }
}

/*
 * Nav: dropdown toggles wrap at word boundaries (not mid-word).
 * Dropdown panels are wider; items wrap between words (overflow-wrap: normal).
 * Do not set overflow on .navbar-nav — it clips Bootstrap dropdowns.
 */
.navbar-custom .navbar-nav {
  flex-wrap: nowrap;
}

/* Vertically center all top-level items with the navbar (dropdowns vs single links) */
@media (min-width: 1200px) {
  .navbar-expand-xl.navbar-custom .navbar-nav {
    align-items: center;
  }
}

.navbar-custom .navbar-nav > .nav-item:not(.dropdown) > .nav-link {
  white-space: nowrap;
}

.navbar-custom .navbar-nav > .nav-item.dropdown > .nav-link.dropdown-toggle {
  white-space: normal;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: manual;
  text-align: center;
  max-width: 12.5rem;
  line-height: 1.25;
  /* keep default Bootstrap nav-link padding so baseline matches Home / PlantApp */
}

.navbar-custom .dropdown-menu {
  min-width: min(22rem, calc(100vw - 2rem));
  max-width: min(30rem, calc(100vw - 2rem));
  box-sizing: border-box;
}

.navbar-custom .dropdown-menu .dropdown-item {
  white-space: normal;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: manual;
  line-height: 1.35;
  padding-top: 0.45rem;
  padding-bottom: 0.45rem;
}

@media (min-width: 1200px) {
  .navbar-custom .dropdown-menu {
    min-width: min(24rem, calc(100vw - 2rem));
    max-width: min(32rem, calc(100vw - 2rem));
  }
}

/* Main content: light card feel */
#main-content .container[role="main"],
.container[role="main"] {
  background: rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(26, 25, 23, 0.06);
  padding-top: 1.75rem;
  padding-bottom: 2rem;
}

@media (max-width: 991px) {
  #main-content .container[role="main"],
  .container[role="main"] {
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }
}

.intro-header {
  box-shadow: inset 0 -1px 0 rgba(30, 95, 74, 0.08);
}

/* --- Tutorial / page buttons (Kramdown) --- */
a.btn {
  display: inline-block;
  margin: 0.2rem 0.35rem 0.2rem 0;
  padding: 0.4rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none !important;
  border-radius: 0.25rem;
  border: 1px solid transparent;
}

a.btn-purple {
  background: #1e4d3f;
  border-color: #1e4d3f;
  color: #fff !important;
}

a.btn-blue {
  background: transparent;
  border-color: #1e5f4a;
  color: #1e5f4a !important;
}

a.btn-green {
  background: #3d6b54;
  border-color: #3d6b54;
  color: #fff !important;
}

a.btn:not(.btn-purple):not(.btn-blue):not(.btn-green) {
  background: #e8e6e1;
  border-color: #c9c4ba;
  color: #333 !important;
}

a.btn.disabled {
  opacity: 0.45;
  pointer-events: none;
}