/* ai-news.css */

/* 1. Variables & Base ----------------------------------------------------- */
:root {
  --color-bg:        #f8f9fa;
  --color-text:      #333333;
  --color-primary:   #4D8FAC; /* oceanic blue */
  --color-nav:       #2C3E50; /* deep slate */
  --color-secondary: #BDC3C7; /* muted silver */
  --color-accent:    #00cec9; /* bright teal accent */
  --font-stack:      'Roboto', sans-serif;
}

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

html {
  font-size: 16px;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-stack);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

/* 2. Navigation & Header -------------------------------------------------- */
.ai-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  background-color: var(--color-nav);
}

.ai-nav a {
  color: #fff;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.3s ease;
}

.ai-nav a:hover {
  background: #1f2d3d;
}

.ai-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-nav) 100%);
  color: #fff;
  text-align: center;
  padding: 6rem 2rem;
}

.ai-hero h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.ai-hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

/* 3. Container ------------------------------------------------------------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* 4. News Cards ------------------------------------------------------------ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.news-card {
  background: #fff;
  border-left: 4px solid var(--color-primary);
  padding: 1.5rem;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.news-card h3 {
  margin-top: 0;
  font-size: 1.5rem;
  color: var(--color-nav);
}

.news-card .meta {
  font-size: 0.85rem;
  color: #777;
  margin-bottom: 0.75rem;
}

.news-card p {
  margin-bottom: 1rem;
}

/* 5. Tag Chips & Read More ----------------------------------------------- */
.tag-chip {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-nav);
  border-radius: 12px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

.read-more {
  display: inline-block;
  margin-top: 1rem;
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.9rem;
}

.read-more:hover {
  text-decoration: underline;
}

/* 6. CTA Banner ------------------------------------------------------------ */
.cta-banner {
  background: var(--color-secondary);
  text-align: center;
  padding: 2rem 1rem;
  border-radius: 6px;
  margin: 3rem 0;
}

.cta-banner p {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.cta-banner .cta-btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.3s ease;
}

.cta-banner .cta-btn:hover {
  background: var(--color-accent);
}

/* 7. Footer ---------------------------------------------------------------- */
.ai-footer {
  background: var(--color-nav);
  color: #fff;
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.9rem;
}

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

.ai-footer a:hover {
  text-decoration: underline;
}

/* 8. Utilities & Responsive ----------------------------------------------- */
/* Utility: Hidden on mobile */
.hide-mobile {
  display: none;
}

@media (min-width: 600px) {
  .hide-mobile {
    display: inline-block;
  }
}

@media (max-width: 480px) {
  .ai-hero h1 {
    font-size: 2.25rem;
  }
  .news-card {
    padding: 1rem;
  }
  .cta-banner p {
    font-size: 1rem;
  }
}