/* =============================================
   RADIOLOGIST.COM — Stylesheet
   ============================================= */

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

:root {
  --navy:    #0f2240;
  --blue:    #1a56db;
  --blue-lt: #2563eb;
  --teal:    #0ea5e9;
  --white:   #ffffff;
  --off-white: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --text:    #1e293b;
  --radius:  12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- NAV ---- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(15, 34, 64, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.logo span { color: var(--teal); }
nav ul {
  list-style: none;
  display: flex;
  gap: 8px;
  align-items: center;
}
nav ul a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
nav ul a:hover { color: var(--white); background: rgba(255,255,255,0.1); }
.btn-nav {
  background: var(--blue) !important;
  color: var(--white) !important;
  padding: 8px 16px !important;
}
.btn-nav:hover { background: var(--blue-lt) !important; }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--navy) 0%, #162d52 60%, #1a3a6b 100%);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(14,165,233,0.12) 0%, transparent 60%);
}
.hero-badge {
  display: inline-block;
  background: rgba(14,165,233,0.15);
  color: var(--teal);
  border: 1px solid rgba(14,165,233,0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  max-width: 700px;
}
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.75;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  background: var(--teal);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  display: inline-block;
}
.btn-primary:hover { background: #38bdf8; transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 1.5px solid rgba(255,255,255,0.3);
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
  display: inline-block;
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.7); color: var(--white); }

/* ---- SECTIONS ---- */
.section { padding: 96px 0; }
.section-dark { background: var(--navy); color: var(--white); }
.section-light { background: var(--off-white); }
.section-contact { background: var(--gray-800); color: var(--white); }

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}
.section h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 20px;
}
.section-dark h2 { color: var(--white); }
.section-intro {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 52px;
}
.section-dark .section-intro { color: rgba(255,255,255,0.65); }
.section-contact .section-intro { color: rgba(255,255,255,0.7); }

/* ---- CARDS (Project) ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.2s, background 0.2s;
}
.card:hover { transform: translateY(-3px); background: rgba(255,255,255,0.08); }
.card-icon { font-size: 2rem; margin-bottom: 16px; }
.card h3 { font-size: 1.05rem; font-weight: 600; color: var(--white); margin-bottom: 10px; }
.card p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.7; }

/* ---- RECRUITMENT ---- */
.recruitment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
@media (max-width: 680px) { .recruitment-grid { grid-template-columns: 1fr; } }
.recruit-item {
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 40px 36px;
}
.recruit-item h3 { font-size: 1.2rem; font-weight: 700; color: var(--navy); margin-bottom: 14px; }
.recruit-item p { color: var(--gray-600); line-height: 1.75; margin-bottom: 28px; }
.btn-outline {
  display: inline-block;
  border: 2px solid var(--navy);
  color: var(--navy);
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.btn-outline:hover { background: var(--navy); color: var(--white); }

/* ---- RESOURCES ---- */
.resources-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.resource-tag {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.85);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
}
.coming-soon { color: rgba(255,255,255,0.5); font-size: 0.95rem; }
.coming-soon a { color: var(--teal); text-decoration: none; }
.coming-soon a:hover { text-decoration: underline; }

/* ---- INSIGHTS ---- */
.insight-posts { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 680px) { .insight-posts { grid-template-columns: 1fr; } }
.insight-card {
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 36px 32px;
}
.insight-coming { opacity: 0.65; }
.insight-date { font-size: 0.78rem; font-weight: 600; color: var(--teal); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.insight-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; line-height: 1.4; }
.insight-card p { color: var(--gray-600); font-size: 0.92rem; line-height: 1.7; margin-bottom: 24px; }
.read-more { color: var(--blue); font-weight: 600; font-size: 0.9rem; text-decoration: none; }
.read-more:hover { text-decoration: underline; }
.read-more.muted { color: var(--gray-400); cursor: default; }

/* ---- CONTACT ---- */
.contact-options { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 40px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 18px 28px;
  text-decoration: none;
  color: var(--white);
  font-weight: 500;
  font-size: 1rem;
  transition: background 0.2s;
}
.contact-item:hover { background: rgba(255,255,255,0.12); }
.contact-icon { font-size: 1.3rem; }

/* ---- FOOTER ---- */
footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.logo-footer { font-size: 1rem; font-weight: 700; color: var(--white); }
.logo-footer span { color: var(--teal); }
.footer-copy { font-size: 0.82rem; color: rgba(255,255,255,0.4); }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  nav ul { display: none; }
  .hero { padding: 100px 0 64px; }
  .section { padding: 72px 0; }
}