/* Heimdall's Brief — Custom Styles */

:root {
  --bg-primary: #F8F7F4;
  --bg-alt: #FAF9F6;
  --text-primary: #1F2937;
  --text-muted: #4B5563;
  --navy: #0F2B5B;
  --navy-light: #1A3D7A;
  --crimson: #9C2A2A;
  --gold: #B38B3D;
  --white: #FFFFFF;
  --border: rgba(15, 43, 91, 0.08);
  --shadow-sm: 0 1px 3px rgba(15, 43, 91, 0.06), 0 1px 2px rgba(15, 43, 91, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 43, 91, 0.08), 0 2px 6px rgba(15, 43, 91, 0.04);
  --shadow-lg: 0 12px 40px rgba(15, 43, 91, 0.12), 0 4px 12px rgba(15, 43, 91, 0.06);
  --shadow-hover: 0 20px 48px rgba(15, 43, 91, 0.14), 0 8px 16px rgba(15, 43, 91, 0.06);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
.font-heading {
  font-family: 'Inter', system-ui, sans-serif;
}

/* Header scroll state */
.header-scrolled {
  background-color: rgba(248, 247, 244, 0.92) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
}

/* Hero background */
.hero-bg {
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(15, 43, 91, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(179, 139, 61, 0.05) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-alt) 100%);
}

/* Card hover lift */
.briefing-card {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.briefing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* Tag styles */
.tag-iran-israel {
  background-color: rgba(156, 42, 42, 0.08);
  color: var(--crimson);
  border: 1px solid rgba(156, 42, 42, 0.15);
}

.tag-lebanon {
  background-color: rgba(179, 139, 61, 0.1);
  color: #8B6914;
  border: 1px solid rgba(179, 139, 61, 0.2);
}

.tag-us-policy {
  background-color: rgba(15, 43, 91, 0.08);
  color: var(--navy);
  border: 1px solid rgba(15, 43, 91, 0.12);
}

.tag-escalation {
  background-color: rgba(156, 42, 42, 0.12);
  color: var(--crimson);
  border: 1px solid rgba(156, 42, 42, 0.2);
}

/* CTA button */
.btn-primary {
  background-color: var(--navy);
  color: white;
  transition: background-color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
}

.btn-primary:hover {
  background-color: var(--navy-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(15, 43, 91, 0.25);
}

.btn-accent {
  background-color: var(--crimson);
  color: white;
  transition: background-color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
}

.btn-accent:hover {
  background-color: #7A2222;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(156, 42, 42, 0.3);
}

.btn-outline {
  border: 1.5px solid var(--navy);
  color: var(--navy);
  transition: all 0.25s ease;
}

.btn-outline:hover {
  background-color: var(--navy);
  color: white;
}

/* Read link arrow animation */
.read-link {
  transition: gap 0.25s ease, color 0.25s ease;
}

.read-link:hover {
  color: var(--crimson);
}

.read-link .arrow {
  transition: transform 0.25s ease;
}

.read-link:hover .arrow {
  transform: translateX(4px);
}

/* Region cards */
.region-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.region-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(15, 43, 91, 0.15);
}

/* Newsletter section */
.newsletter-bg {
  background: linear-gradient(135deg, var(--navy) 0%, #1A3D7A 50%, #0F2B5B 100%);
}

/* Testimonial cards */
.testimonial-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Mobile menu */
.mobile-menu {
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-overlay {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* Search modal */
.search-modal {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.search-modal.open {
  opacity: 1;
  visibility: visible;
}

.search-modal-content {
  transform: translateY(-12px) scale(0.98);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.search-modal.open .search-modal-content {
  transform: translateY(0) scale(1);
}

/* Section divider */
.section-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 2px;
}

/* Fade-in animation on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stat counter styling */
.stat-number {
  font-variant-numeric: tabular-nums;
}

/* Hero current scope */
.hero-scope-box {
  display: inline-flex;
  flex-direction: column;
  gap: 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(15, 43, 91, 0.1);
  background: rgba(255, 255, 255, 0.75);
  padding: 0.875rem 1rem;
  backdrop-filter: blur(4px);
}

.hero-scope-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #6b7280;
}

.hero-scope-flags {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-scope-side {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-scope-divider {
  width: 1px;
  height: 2.25rem;
  background: rgba(15, 43, 91, 0.12);
}

.hero-scope-flag {
  display: inline-flex;
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 9999px;
  border: 1px solid rgba(15, 43, 91, 0.1);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.hero-scope-flag img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Hero featured briefing */
.hero-featured-briefing article {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.35s ease;
}

.hero-featured-briefing article:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.footer-link {
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--gold);
}

/* Axios-style text-only briefing feed */
.briefing-feed-item a:hover h3 {
  color: var(--navy);
}

.briefing-article-page .briefing-lead {
  letter-spacing: -0.01em;
}