/* AI & Nursing — shared styles */
:root {
  --bg: #0d0d0d;
  --paper: #f5f2ed;
  --accent: #4060f0;
  --accent-dark: #2a45d0;
  --muted: #6b6760;
  --muted-light: #a89a8a;
  --card: #1a1a2e;
  --cream: #ede9e2;
}

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

body {
  background: var(--bg);
  color: var(--paper);
  font-family: 'Inter', -apple-system, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .serif { font-family: 'DM Serif Display', Georgia, serif; font-weight: 400; }

a { color: var(--accent); text-decoration: none; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- NAV ---------- */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(245,242,237,0.08);
}
.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 18px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.35rem; color: var(--paper); letter-spacing: 0.01em;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links > li { position: relative; }
.nav-links a {
  color: var(--paper); font-size: 0.92rem; font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  background: var(--accent); color: #fff !important;
  padding: 9px 20px; border-radius: 6px; font-weight: 600;
}
.nav-cta:hover { background: var(--accent-dark); color: #fff !important; }

/* dropdown */
.dropdown-menu {
  position: absolute; top: calc(100% + 12px); left: -16px;
  background: var(--card); border: 1px solid rgba(64,96,240,0.3);
  border-radius: 8px; padding: 8px; min-width: 230px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: all 0.18s ease; list-style: none;
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-menu a {
  display: block; padding: 10px 14px; border-radius: 6px; font-size: 0.9rem;
}
.dropdown-menu a:hover { background: rgba(64,96,240,0.12); }
.dropdown > a::after { content: " ▾"; font-size: 0.7em; color: var(--muted-light); }

/* mobile */
.hamburger { display: none; background: none; border: none; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--paper); margin: 5px 0; transition: 0.25s; }

@media (max-width: 820px) {
  .hamburger { display: block; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg); flex-direction: column; align-items: flex-start;
    padding: 16px 24px 24px; gap: 4px;
    border-bottom: 1px solid rgba(245,242,237,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links > li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; font-size: 1rem; }
  .dropdown-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    border: none; background: none; padding: 0 0 0 16px; min-width: 0;
  }
  .nav-cta { display: inline-block; margin-top: 8px; }
}

/* ---------- HERO ---------- */
.hero { padding: 96px 0 72px; }
.hero .eyebrow {
  font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.12; margin-bottom: 24px; max-width: 850px; }
.hero h1 em { color: var(--accent); font-style: italic; }
.hero .sub { font-size: 1.15rem; color: var(--muted-light); max-width: 680px; margin-bottom: 36px; }

.btn-row { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 14px 28px; border-radius: 6px;
  font-weight: 600; font-size: 0.95rem; transition: all 0.2s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline { border: 1.5px solid rgba(245,242,237,0.3); color: var(--paper); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- SECTIONS ---------- */
section { padding: 72px 0; }
section.alt { background: #111118; }
.section-label {
  font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 16px;
}
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); line-height: 1.2; margin-bottom: 24px; max-width: 760px; }
.lead { font-size: 1.08rem; color: var(--muted-light); max-width: 700px; margin-bottom: 20px; }
p + p { margin-top: 16px; }

.divider { width: 64px; height: 3px; background: var(--accent); margin: 28px 0; border: none; }

/* cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 24px; margin-top: 40px; }
.card {
  background: var(--card); border: 1px solid rgba(64,96,240,0.25);
  border-radius: 10px; padding: 32px;
}
.card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.card p { color: var(--muted-light); font-size: 0.97rem; }
.card .card-link { display: inline-block; margin-top: 20px; font-weight: 600; font-size: 0.92rem; }
.card .card-link::after { content: " →"; }

/* list rows */
.row-list { list-style: none; margin-top: 32px; }
.row-list li {
  background: var(--card); border: 1px solid rgba(64,96,240,0.18);
  border-radius: 8px; padding: 18px 24px; margin-bottom: 12px;
  color: var(--paper); font-size: 0.98rem;
}
.row-list li strong { color: var(--accent); }

/* quote */
.quote-block {
  border-left: 3px solid var(--accent); background: rgba(255,255,255,0.03);
  padding: 24px 28px; border-radius: 0 8px 8px 0; margin: 20px 0;
  font-style: italic; color: var(--muted-light);
}
.quote-block .attr { display: block; margin-top: 10px; font-style: normal; font-size: 0.85rem; color: var(--muted); }

/* footer */
footer {
  border-top: 1px solid rgba(245,242,237,0.08);
  padding: 48px 0; margin-top: 40px;
}
.footer-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;
}
.footer-links { display: flex; gap: 24px; list-style: none; }
.footer-links a { color: var(--muted-light); font-size: 0.88rem; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { color: var(--muted); font-size: 0.82rem; }

/* forms */
.form-field { margin-bottom: 20px; }
.form-field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; color: var(--muted-light); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 13px 16px; border-radius: 6px;
  background: var(--card); border: 1px solid rgba(245,242,237,0.15);
  color: var(--paper); font-family: 'Inter', sans-serif; font-size: 0.95rem;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline: none; border-color: var(--accent);
}
.form-note { font-size: 0.82rem; color: var(--muted); margin-top: 14px; }