/* Oncore Network LLC. - Corporate Website Styles */
/* Typography: Montserrat (headings), Inter (body) */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================
   CSS VARIABLES - ONCORE COLOR SYSTEM
   ============================================ */
:root {
  --oc-blue:   #181D43;   /* Primary - OncoreNetwork Blue */
  --oc-navy:   #11163A;   /* Secondary - Deep Navy */
  --oc-gold: #B6862C;
  --oc-gold-dark: #9E741F;
  --oc-sand:   #EAD8B1;   /* Accent - Warm Sand */
  --oc-silver: #DDE4EA;   /* Light Section Background */
  --oc-white:  #FFFFFF;   /* Cards, Forms, Content Blocks */
  --oc-ink:    #1E1E1E;   /* Text Color */
  --oc-rule:   #E5E7EB;   /* Dividers */
}

/* ============================================
   GLOBAL RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--oc-ink);
  background-color: var(--oc-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--oc-navy);
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
  font-weight: 800;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
}

h3 {
  font-size: 1.75rem;
  font-weight: 600;
}

h4 {
  font-size: 1.5rem;
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
}

/* ============================================
   HEADER - STICKY NAVIGATION
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--oc-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 0;                 /* REMOVE extra vertical thickness */
  transition: all 0.3s ease;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  height: 88px;               /* CONTROLS header bar height */
  padding: 0 32px;            /* slightly tighter horizontally */
  display: flex;
  justify-content: space-between;
  align-items: center;
}



.logo-link {
  display: flex;
  align-items: center;
}

.site-logo {
  height: 100%;
  max-height: 84px;           /* BIG logo, but constrained */
  width: auto;
  transition: opacity 0.3s ease;
}


.site-logo:hover {
  opacity: 0.85;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  color: var(--oc-blue);          /* ONCORE Network Blue */
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-style: italic;             /* subtle forward motion */
  transition: color 0.25s ease, opacity 0.25s ease;
}


.main-nav a:hover,
.main-nav a.active {
  color: var(--oc-navy);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--oc-navy);
  cursor: pointer;
}

/* ============================================
   HERO SECTION WITH CAROUSEL
   ============================================ */
.hero-section {
  position: relative;
  height: 85vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-carousel {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 800ms ease-in-out;
  background-size: cover;
  background-position: center;
}

.carousel-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.10) 100%);
  z-index: 2;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  text-align: center;
  color: var(--oc-white);
  max-width: 900px;
  padding: 1.5rem 2.5rem;
  overflow: visible;
}

.hero-content::before {
  content: "";
  position: absolute;
  inset: -20px;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 12px;
  z-index: -1;
}


.hero-headline {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--oc-white);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hero-subline {
  font-size: 1.2rem;              /* slightly tighter, more readable */
  font-weight: 500;               /* CRITICAL: more stroke weight */
  line-height: 1.65;
  color: #F5F7FA;                 /* soft white, not pure white */
  max-width: 760px;               /* prevents overly long line */
  margin: 0 auto 2.5rem;
  text-shadow:
    0 2px 6px rgba(0, 0, 0, 0.35),
    0 6px 18px rgba(0, 0, 0, 0.25);
}


.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Carousel Navigation */
.carousel-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 0.75rem;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  border: 2px solid var(--oc-white);
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dot.active {
  background-color: var(--oc-white);
  transform: scale(1.2);
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  background-color: rgba(255, 255, 255, 0.2);
  border: 2px solid var(--oc-white);
  color: var(--oc-white);
  font-size: 1.5rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-arrow:hover {
  background-color: rgba(255, 255, 255, 0.4);
}

.carousel-arrow.prev {
  left: 2rem;
}

.carousel-arrow.next {
  right: 2rem;
}

/* ============================================
   BUTTONS & CTAs
   ============================================ */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background-color: var(--oc-gold);
  border-color: var(--oc-gold);
  color: #ffffff;
}


.btn-primary:hover {
  background-color: var(--oc-gold-dark);
  border-color: var(--oc-gold-dark);
}


.btn-secondary {
  background-color: var(--oc-white);
  color: var(--oc-blue);
  border-color: var(--oc-blue);
}

.btn-secondary:hover {
  background-color: var(--oc-blue);
  color: var(--oc-white);
}

.btn-large {
  padding: 1.25rem 3rem;
  font-size: 1.1rem;
}

/* ============================================
   SECTIONS & CONTAINERS
   ============================================ */
.section {
  padding: 5rem 0;
}

.section-silver {
  background-color: var(--oc-silver);
}

.section-white {
  background-color: var(--oc-white);
}

.section-blue {
  background-color: var(--oc-blue);
  color: var(--oc-white);
}

.section-blue h2,
.section-blue h3 {
  color: var(--oc-white);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.section-intro {
  font-size: 1.25rem;
  color: var(--oc-ink);
  line-height: 1.7;
}

.divider {
  width: 100%;
  height: 1px;
  background-color: var(--oc-rule);
  margin: 4rem 0;
}

/* ============================================
   CARDS & GRID LAYOUTS
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.card {
  background-color: var(--oc-white);
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.card h3 {
  color: var(--oc-navy);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.card p {
  color: var(--oc-ink);
  line-height: 1.7;
}

.card ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.card li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

/* Three Column Grid */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ============================================
   CASE STUDY BLOCKS
   ============================================ */
.case-study {
  background-color: var(--oc-white);
  border-radius: 12px;
  padding: 2.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.case-study h3 {
  color: var(--oc-navy);
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.case-study h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--oc-sand);
}

.quote-highlight {
  background-color: var(--oc-silver);
  border-left: 4px solid var(--oc-blue);
  padding: 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--oc-navy);
  font-size: 1.1rem;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-form {
  background-color: var(--oc-white);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--oc-navy);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--oc-rule);
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--oc-blue);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-info {
  background-color: var(--oc-silver);
  padding: 2.5rem;
  border-radius: 12px;
  position: sticky;
  top: 100px;
}

.contact-info h3 {
  margin-bottom: 1.5rem;
}

.contact-info p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.contact-detail {
  margin-bottom: 1rem;
}

.contact-detail strong {
  color: var(--oc-navy);
  display: block;
  margin-bottom: 0.25rem;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background-color: var(--oc-white);
  border-top: 1px solid var(--oc-rule);
  padding: 3rem 0 2rem;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

.footer-logo {
  height: 55px;
  width: auto;
  margin-bottom: 2rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.footer-nav a {
  text-decoration: none;
  color: var(--oc-ink);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: var(--oc-navy);
}

.footer-bottom {
  border-top: 1px solid var(--oc-rule);
  padding-top: 1.5rem;
  margin-top: 2rem;
  font-size: 0.875rem;
  color: #666;
  text-align: center;
}

/* ============================================
   COMPLIANCE PAGE
   ============================================ */
.compliance-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.compliance-content h1 {
  margin-bottom: 2rem;
  text-align: center;
}

.compliance-content h2 {
  margin-top: 3rem;
  margin-bottom: 1rem;
  font-size: 1.75rem;
}

.compliance-content p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
  font-size: 1.05rem;
}

.disclosure-box {
  background-color: var(--oc-silver);
  border-left: 4px solid var(--oc-blue);
  padding: 2rem;
  margin: 2rem 0;
  border-radius: 6px;
}

/* ============================================
   INSIGHTS / NEWS PAGE
   ============================================ */
.insights-header {
  text-align: center;
  margin-bottom: 3rem;
}

.insights-subtitle {
  font-size: 1.1rem;
  color: #666;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.7;
}

.news-card {
  background-color: var(--oc-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.news-card-image {
  width: 100%;
  height: 200px;
  background-color: var(--oc-silver);
  background-size: cover;
  background-position: center;
}

.news-card-content {
  padding: 1.5rem;
}

.news-card-date {
  font-size: 0.875rem;
  color: #666;
  margin-bottom: 0.5rem;
}

.news-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.news-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #666;
}

.cta-footer {
  background-color: var(--oc-blue);
  color: var(--oc-white);
  text-align: center;
  padding: 4rem 2rem;
  margin-top: 4rem;
}

.cta-footer h2 {
  color: var(--oc-white);
  margin-bottom: 1rem;
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE
   ============================================ */
@media (max-width: 768px) {
  /* Logo sizing for mobile */
  .site-logo {
    height: 56px;
  }
  
  .header-container {
    height: 72px;
    padding: 0 20px;
  }
  
  /* Mobile menu toggle */
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--oc-white);
    transition: left 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }
  
  .main-nav.active {
    left: 0;
  }
  
  .main-nav ul {
    flex-direction: column;
    padding: 2rem;
    gap: 0;
  }
  
  .main-nav li {
    border-bottom: 1px solid var(--oc-rule);
  }
  
  .main-nav a {
    display: block;
    padding: 1rem 0;
  }
  
  /* Hero section mobile */
  .hero-section {
    height: 70vh;
    min-height: 500px;
  }
  
  .hero-headline {
    font-size: 2rem;
  }
  
  .hero-subline {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .carousel-arrow {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
  
  .carousel-arrow.prev {
    left: 1rem;
  }
  
  .carousel-arrow.next {
    right: 1rem;
  }
  
  /* Sections mobile */
  .section {
    padding: 3rem 0;
  }
  
  .container {
    padding: 0 20px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.35rem;
  }
  
  /* Grids to single column on mobile */
  .card-grid,
  .card-grid-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-info {
    position: static;
  }
  
  /* Buttons */
  .btn {
    padding: 0.875rem 2rem;
    font-size: 0.9rem;
  }
  
  .btn-large {
    padding: 1rem 2.25rem;
    font-size: 1rem;
  }
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Smooth scrolling for anchor links */
a[href^="#"] {
  scroll-behavior: smooth;
}

/* Loading state */
.loading {
  opacity: 0.5;
  pointer-events: none;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 2rem;
}

.mb-4 {
  margin-bottom: 2rem;
}